Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
*************************************************************************
|
1997-11-18 05:31:00 +00:00
|
|
|
*
|
|
|
|
* The GNO Shell Project
|
|
|
|
*
|
|
|
|
* Developed by:
|
|
|
|
* Jawaid Bazyar
|
|
|
|
* Tim Meekins
|
|
|
|
*
|
Changes for gsh version 2.0d8:
Fixed several mutual exclusion problems, including a particularly nasty
one that would cause gsh to loop forever inside the memory manager. (You
could identify this one by the "BRA (-23)" at the bottom of the infinite
loop.)
Fixed the string vector print routine to properly handle all numbers of
entries in the hash table. Previously, it would always print duplicate
entries if there were < 6 commands hashed, and would sometimes print
duplicates (depending on previous contents of an internal table) for
other numbers of commands.
gsh would wait on background processes started from an exec file
(executed, not sourced). Now the exec file does not wait on the process,
but the background process is not associated with the parent shell after
the exec file terminates.
Made gsh globbing work more like csh: if none of the requested patterns
are found, print "No match" and exit.
At startup, if /etc/glogin, $HOME/glogin, or $HOME/gshrc does not exist,
don't report a "file not found" error message. (PR#100)
1998-12-31 18:29:14 +00:00
|
|
|
* $Id: invoke.asm,v 1.10 1998/12/31 18:29:13 tribby Exp $
|
1998-04-24 15:38:47 +00:00
|
|
|
*
|
1997-11-18 05:31:00 +00:00
|
|
|
**************************************************************************
|
|
|
|
*
|
|
|
|
* INVOKE.ASM
|
|
|
|
* By Tim Meekins
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
* Modified by Dave Tribby for GNO 2.0.6
|
1997-11-18 05:31:00 +00:00
|
|
|
*
|
|
|
|
* Command invocation routines.
|
|
|
|
*
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
* Note: text set up for tabs at col 16, 22, 41, 49, 57, 65
|
|
|
|
* | | | | | |
|
|
|
|
* ^ ^ ^ ^ ^ ^
|
|
|
|
**************************************************************************
|
|
|
|
*
|
|
|
|
* Interfaces defined in this file:
|
|
|
|
*
|
|
|
|
* redirect subroutine (4:sfile,4:dfile,4:efile,2:app,2:eapp,2:pipein,
|
|
|
|
* 2:pipeout,2:pipein2,2:pipeout2)
|
|
|
|
* returns with carry set/clear to indicate failure/success
|
|
|
|
*
|
|
|
|
* invoke subroutine (2:argc,4:argv,4:sfile,4:dfile,4:efile,2:app,
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
* 2:eapp,2:bg,4:cline,2:jobflag,2:pipein,2:pipeout,
|
1998-12-21 23:57:08 +00:00
|
|
|
* 2:pipein2,2:pipeout2,4:pipesem,4:awaitstatus)
|
1998-07-20 16:23:11 +00:00
|
|
|
* return 2:rtnval
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
*
|
1997-11-18 05:31:00 +00:00
|
|
|
**************************************************************************
|
|
|
|
|
1998-04-24 15:38:47 +00:00
|
|
|
mcopy /obj/gno/bin/gsh/invoke.mac
|
|
|
|
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
dummyinvoke start ; ends up in .root
|
1998-04-24 15:38:47 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
setcom 60
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
SIGINT gequ 2
|
|
|
|
SIGKILL gequ 9
|
|
|
|
SIGTERM gequ 15
|
|
|
|
SIGSTOP gequ 17
|
|
|
|
SIGTSTP gequ 18
|
|
|
|
SIGCONT gequ 19
|
|
|
|
SIGCHLD gequ 20
|
|
|
|
SIGTTIN gequ 21
|
|
|
|
SIGTTOU gequ 22
|
|
|
|
|
|
|
|
**************************************************************************
|
|
|
|
*
|
|
|
|
* Redirect
|
|
|
|
*
|
|
|
|
**************************************************************************
|
|
|
|
|
|
|
|
redirect START
|
|
|
|
|
|
|
|
space equ 1
|
|
|
|
pipeout2 equ space+3
|
|
|
|
pipein2 equ pipeout2+2
|
|
|
|
pipeout equ pipein2+2
|
|
|
|
pipein equ pipeout+2
|
|
|
|
eapp equ pipein+2
|
|
|
|
app equ eapp+2
|
|
|
|
efile equ app+2
|
|
|
|
dfile equ efile+4
|
|
|
|
sfile equ dfile+4
|
|
|
|
end equ sfile+4
|
|
|
|
|
|
|
|
; subroutine (4:sfile,4:dfile,4:efile,2:app,2:eapp,2:pipein,2:pipeout,2:pipein2,2:pipeout2),space
|
|
|
|
|
Changes for gsh version 2.0d8:
Fixed several mutual exclusion problems, including a particularly nasty
one that would cause gsh to loop forever inside the memory manager. (You
could identify this one by the "BRA (-23)" at the bottom of the infinite
loop.)
Fixed the string vector print routine to properly handle all numbers of
entries in the hash table. Previously, it would always print duplicate
entries if there were < 6 commands hashed, and would sometimes print
duplicates (depending on previous contents of an internal table) for
other numbers of commands.
gsh would wait on background processes started from an exec file
(executed, not sourced). Now the exec file does not wait on the process,
but the background process is not associated with the parent shell after
the exec file terminates.
Made gsh globbing work more like csh: if none of the requested patterns
are found, print "No match" and exit.
At startup, if /etc/glogin, $HOME/glogin, or $HOME/gshrc does not exist,
don't report a "file not found" error message. (PR#100)
1998-12-31 18:29:14 +00:00
|
|
|
* NOTE: only called from invoke, after fork_mutex is locked
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
tsc
|
|
|
|
phd
|
|
|
|
tcd
|
1998-09-08 16:53:14 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
; Redirect standard input
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
ora2 sfile,sfile+2,@a If no name provided,
|
1998-09-08 16:53:14 +00:00
|
|
|
beq execa skip it.
|
1998-08-03 17:30:30 +00:00
|
|
|
pei (sfile+2) Convert c-string
|
|
|
|
pei (sfile) filename to
|
|
|
|
jsr c2gsstr GS/OS string.
|
|
|
|
sta RedirectFile Store filename pointer
|
|
|
|
stx RedirectFile+2 in parameter block.
|
|
|
|
stz RedirectDev stdin devnum = 0.
|
|
|
|
stz RedirectApp Cannot append.
|
|
|
|
RedirectGS RedirectParm
|
1997-11-18 05:31:00 +00:00
|
|
|
php
|
1998-08-03 17:30:30 +00:00
|
|
|
ph4 RedirectFile Free allocated GS/OS string.
|
1997-11-18 05:31:00 +00:00
|
|
|
jsl nullfree
|
|
|
|
plp
|
1998-08-03 17:30:30 +00:00
|
|
|
bcc execa If RedirectGS failed,
|
|
|
|
ldx #^err1 print error message:
|
|
|
|
lda #err1 'Error redirecting standard input.'
|
|
|
|
jmp badbye and quit.
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
; Redirect standard output
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
execa ora2 dfile,dfile+2,@a
|
|
|
|
beq execb
|
|
|
|
pei (dfile+2)
|
|
|
|
pei (dfile)
|
1998-08-03 17:30:30 +00:00
|
|
|
jsr c2gsstr
|
1997-11-18 05:31:00 +00:00
|
|
|
sta RedirectFile
|
|
|
|
stx RedirectFile+2
|
1998-08-03 17:30:30 +00:00
|
|
|
ld2 1,RedirectDev stdout devnum = 1
|
1997-11-18 05:31:00 +00:00
|
|
|
mv2 app,RedirectApp
|
1998-08-03 17:30:30 +00:00
|
|
|
RedirectGS RedirectParm
|
1997-11-18 05:31:00 +00:00
|
|
|
php
|
|
|
|
ph4 RedirectFile
|
|
|
|
jsl nullfree
|
|
|
|
plp
|
|
|
|
bcc execb
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
ldx #^err2 Print error message:
|
|
|
|
lda #err2 'Error redirecting standard output.'
|
1997-11-18 05:31:00 +00:00
|
|
|
jmp badbye
|
1998-09-08 16:53:14 +00:00
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
; Redirect standard error
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
execb ora2 efile,efile+2,@a
|
|
|
|
beq execc
|
|
|
|
pei (efile+2)
|
|
|
|
pei (efile)
|
1998-08-03 17:30:30 +00:00
|
|
|
jsr c2gsstr
|
1997-11-18 05:31:00 +00:00
|
|
|
sta RedirectFile
|
|
|
|
stx RedirectFile+2
|
|
|
|
ld2 2,RedirectDev
|
|
|
|
mv2 eapp,RedirectApp
|
1998-08-03 17:30:30 +00:00
|
|
|
RedirectGS RedirectParm
|
1997-11-18 05:31:00 +00:00
|
|
|
php
|
|
|
|
ph4 RedirectFile
|
|
|
|
jsl nullfree
|
|
|
|
plp
|
|
|
|
bcc execc
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
ldx #^err3 Print error message:
|
|
|
|
lda #err3 'Error redirecting standard error.'
|
1997-11-18 05:31:00 +00:00
|
|
|
jmp badbye
|
1998-09-08 16:53:14 +00:00
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
; Is input piped in?
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
execc lda pipein
|
|
|
|
beq execd
|
1998-09-08 16:53:14 +00:00
|
|
|
dup2 (pipein,#1)
|
1997-11-18 05:31:00 +00:00
|
|
|
mv2 pipein2,CloseRef
|
|
|
|
Close CloseParm
|
|
|
|
ldx #0
|
|
|
|
lda pipein
|
|
|
|
SetInputDevice (#3,@xa)
|
|
|
|
;
|
1998-08-03 17:30:30 +00:00
|
|
|
; Is output piped?
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
execd lda pipeout
|
|
|
|
beq exece
|
|
|
|
dup2 (pipeout,#2)
|
|
|
|
mv2 pipeout2,CloseRef
|
|
|
|
Close CloseParm
|
|
|
|
ldx #0
|
|
|
|
lda pipeout
|
|
|
|
SetOutputDevice (#3,@xa)
|
|
|
|
exece anop
|
|
|
|
|
1998-08-03 17:30:30 +00:00
|
|
|
;
|
|
|
|
; All the file and pipe redirection has been handled. Time to say goodbye.
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
goodbye ldy #0
|
|
|
|
bra exit
|
1998-08-03 17:30:30 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
badbye jsr errputs
|
1998-09-08 16:53:14 +00:00
|
|
|
cop $7F ; get out of the way
|
1997-11-18 05:31:00 +00:00
|
|
|
ldy #1
|
1998-08-03 17:30:30 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
exit lda space
|
|
|
|
sta end-3
|
|
|
|
lda space+1
|
|
|
|
sta end-2
|
|
|
|
pld
|
|
|
|
tsc
|
|
|
|
clc
|
|
|
|
adc #end-4
|
|
|
|
tcs
|
|
|
|
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
cpy #1 Clear/set carry for success/failure.
|
1997-11-18 05:31:00 +00:00
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
rtl
|
1997-11-18 05:31:00 +00:00
|
|
|
|
1998-08-03 17:30:30 +00:00
|
|
|
;
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
; Parameter block for shell call to redirect I/O (ORCA/M manual p.425)
|
1998-08-03 17:30:30 +00:00
|
|
|
;
|
|
|
|
RedirectParm dc i2'3' pCount
|
1998-09-08 16:53:14 +00:00
|
|
|
RedirectDev ds 2 Dev num (0=stdin,1=stdout,2=errout)
|
|
|
|
RedirectApp ds 2 Append flag (0=delete)
|
|
|
|
RedirectFile ds 4 File name (GS/OS input string)
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1998-08-03 17:30:30 +00:00
|
|
|
;
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
; Parameter block for GS/OS call to close a file
|
1998-08-03 17:30:30 +00:00
|
|
|
;
|
|
|
|
CloseParm dc i'1' pCount
|
|
|
|
CloseRef dc i'0' refNum
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
err1 dc c'gsh: Error redirecting standard input.',h'0d00'
|
|
|
|
err2 dc c'gsh: Error redirecting standard output.',h'0d00'
|
|
|
|
err3 dc c'gsh: Error redirecting standard error.',h'0d00'
|
1998-09-08 16:53:14 +00:00
|
|
|
|
|
|
|
END
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
**************************************************************************
|
|
|
|
*
|
|
|
|
* Invoke a command (PHASE 0)
|
|
|
|
*
|
|
|
|
**************************************************************************
|
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
invoke START
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
using hashdata
|
|
|
|
using vardata
|
|
|
|
using global
|
|
|
|
using pdata
|
|
|
|
|
|
|
|
p equ 0
|
|
|
|
biflag equ p+4
|
|
|
|
ptr equ biflag+2
|
1998-07-20 16:23:11 +00:00
|
|
|
rtnval equ ptr+4 Return pid, -1 (error), or 0 (no fork)
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
cpath equ rtnval+2
|
1998-12-21 23:57:08 +00:00
|
|
|
hpath equ cpath+4
|
|
|
|
space equ hpath+4
|
1997-11-18 05:31:00 +00:00
|
|
|
|
1998-12-21 23:57:08 +00:00
|
|
|
subroutine (2:argc,4:argv,4:sfile,4:dfile,4:efile,2:app,2:eapp,2:bg,4:cline,2:jobflag,2:pipein,2:pipeout,2:pipein2,2:pipeout2,4:pipesem,4:awaitstatus),space
|
1997-11-18 05:31:00 +00:00
|
|
|
|
1998-07-20 16:23:11 +00:00
|
|
|
ld2 -1,rtnval
|
1998-12-21 23:57:08 +00:00
|
|
|
stz biflag Clear built-in flag
|
|
|
|
stz hpath and address from hash table.
|
|
|
|
stz hpath+2
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
lda argc If number of arguments == 0,
|
|
|
|
bne chknull nothing to do. (Shouldn't happen
|
|
|
|
nulldone jmp done because invoke checks argc==0).
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
; Check for null command
|
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
chknull ldy #2 Move 1st argument
|
1998-09-08 16:53:14 +00:00
|
|
|
lda [argv] pointer to
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
sta cpath cpath (4 bytes).
|
1998-09-08 16:53:14 +00:00
|
|
|
lda [argv],y
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
sta cpath+2 If pointer == NULL
|
|
|
|
ora cpath
|
1998-09-08 16:53:14 +00:00
|
|
|
beq nulldone all done.
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
lda [cpath] If first character == '\0',
|
1998-09-08 16:53:14 +00:00
|
|
|
and #$FF
|
|
|
|
beq nulldone all done.
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Check command: is it builtin, in hash table, etc?
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
pei (cpath+2) IsBuiltin returns
|
|
|
|
pei (cpath) 0 if forked built-in
|
|
|
|
jsl IsBuiltin 1 if non-forked built-in
|
|
|
|
cmp #-1 -1 if not a built-in
|
1997-11-18 05:31:00 +00:00
|
|
|
jne trybuiltin
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
1998-07-20 16:23:11 +00:00
|
|
|
; Command is not listed in the built-in table. See if it was hashed
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
pei (cpath+2)
|
|
|
|
pei (cpath)
|
1998-09-08 16:53:14 +00:00
|
|
|
ph4 hash_table
|
|
|
|
ph4 #hash_paths
|
|
|
|
jsl search
|
|
|
|
cmp #0
|
|
|
|
bne changeit
|
|
|
|
cpx #0
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
beq noentry
|
1998-09-08 16:53:14 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
changeit sta cpath Use full path from
|
|
|
|
stx cpath+2 hash table.
|
1998-12-21 23:57:08 +00:00
|
|
|
sta hpath Save adddress for deallocation.
|
|
|
|
stx hpath+2
|
1998-09-08 16:53:14 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Get information about the command's filename
|
|
|
|
;
|
|
|
|
noentry lock info_mutex
|
|
|
|
|
|
|
|
pei (cpath+2)
|
|
|
|
pei (cpath)
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr c2gsstr
|
1998-09-08 16:53:14 +00:00
|
|
|
sta GRecPath
|
|
|
|
sta ptr
|
|
|
|
stx GRecPath+2
|
|
|
|
stx ptr+2
|
|
|
|
GetFileInfo GRec
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
unlock info_mutex
|
|
|
|
jcs notfound If error getting info, print error.
|
|
|
|
|
|
|
|
; Is file type $B5: GS/OS Shell application (EXE)?
|
1998-09-08 16:53:14 +00:00
|
|
|
if2 GRecFileType,eq,#$B5,doExec
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Is file type $B3: GS/OS application (S16)?
|
1998-09-08 16:53:14 +00:00
|
|
|
if2 @a,eq,#$B3,doExec
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
ldx vardirexec If $NODIREXEC isn't set, and
|
1997-11-18 05:31:00 +00:00
|
|
|
bne ft02
|
|
|
|
cmp #$0F
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
jeq doDir file is a directory: change to it.
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Is file type $B0: source code file (SRC)?
|
1998-09-08 16:53:14 +00:00
|
|
|
ft02 if2 @a,ne,#$B0,badfile
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
; Type $B0, Aux $00000006 is a shell command file (EXEC)
|
1998-09-08 16:53:14 +00:00
|
|
|
if2 GRecAuxType,ne,#6,badfile
|
|
|
|
if2 GRecAuxType+2,ne,#0,badfile
|
|
|
|
jmp doShell
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Command file is not an appropriate type
|
|
|
|
;
|
|
|
|
badfile ldx cpath+2
|
|
|
|
lda cpath
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr errputs
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
ldx #^err1 Print error message:
|
|
|
|
lda #err1 'Not executable.'
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr errputs
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
free pei (ptr+2) Free memory used to hold
|
|
|
|
pei (ptr) GS/OS string with path.
|
1997-11-18 05:31:00 +00:00
|
|
|
jsl nullfree
|
1998-09-08 16:53:14 +00:00
|
|
|
jmp done
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* Launch an executable (EXE or S16 file)
|
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
doExec pei (ptr+2)
|
|
|
|
pei (ptr)
|
|
|
|
jsl nullfree
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr prefork
|
1998-09-08 16:53:14 +00:00
|
|
|
fork #invoke0
|
|
|
|
jsr postfork
|
1997-11-18 05:31:00 +00:00
|
|
|
jmp done
|
|
|
|
|
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Forked shell starts here...
|
|
|
|
;
|
|
|
|
invoke0 phk Make sure data bank register
|
|
|
|
plb is the same as program bank.
|
|
|
|
;
|
|
|
|
; Make copies of command line (cline) and path (cpath) for child
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
pha
|
|
|
|
pha
|
|
|
|
tsc
|
|
|
|
phd
|
|
|
|
tcd
|
|
|
|
ldx #0
|
|
|
|
tsc
|
|
|
|
FindHandle @xa,1
|
|
|
|
ldy #6
|
|
|
|
lda [1],y ;This is the UserID!
|
|
|
|
and #$F0FF
|
|
|
|
pha
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
ph4 _cline
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr cstrlen
|
|
|
|
inc a
|
|
|
|
ply
|
|
|
|
pha
|
|
|
|
ldx #0
|
|
|
|
NewHandle (@xa,@y,#$4018,#0),1
|
|
|
|
ply
|
|
|
|
ldx #0
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
PtrToHand (_cline,1,@xy)
|
1997-11-18 05:31:00 +00:00
|
|
|
ldy #2
|
|
|
|
lda [1],y
|
|
|
|
tax
|
|
|
|
lda [1]
|
|
|
|
pld
|
|
|
|
ply
|
|
|
|
ply
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
phx ;_cline
|
1997-11-18 05:31:00 +00:00
|
|
|
pha
|
|
|
|
;
|
|
|
|
pha
|
|
|
|
pha
|
|
|
|
tsc
|
|
|
|
phd
|
|
|
|
tcd
|
|
|
|
ldx #0
|
|
|
|
tsc
|
|
|
|
FindHandle @xa,1
|
|
|
|
ldy #6
|
|
|
|
lda [1],y ;This is the UserID!
|
|
|
|
and #$F0FF
|
|
|
|
pha
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
ph4 _cpath
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr cstrlen
|
|
|
|
inc a
|
|
|
|
ply
|
|
|
|
pha
|
|
|
|
ldx #0
|
|
|
|
NewHandle (@xa,@y,#$4018,#0),1
|
|
|
|
ply
|
|
|
|
ldx #0
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
PtrToHand (_cpath,1,@xy)
|
1997-11-18 05:31:00 +00:00
|
|
|
ldy #2
|
|
|
|
lda [1],y
|
|
|
|
tax
|
|
|
|
lda [1]
|
|
|
|
pld
|
|
|
|
ply
|
|
|
|
ply
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
phx ;_cpath
|
1997-11-18 05:31:00 +00:00
|
|
|
pha
|
|
|
|
|
|
|
|
jsl infork
|
|
|
|
bcs invoke1
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Call _execve(_cpath,_cline) to replace forked shell with executable file
|
|
|
|
;
|
1998-09-08 16:53:14 +00:00
|
|
|
case on
|
|
|
|
jsl _execve For 2.0.6: call _execve, not execve
|
|
|
|
case off
|
1997-11-18 05:31:00 +00:00
|
|
|
rtl
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Error reported by infork; clean up stack and return to caller
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
invoke1 pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
rtl
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* Next command is a directory name, so change to that directory
|
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
doDir lock cdmutex
|
|
|
|
mv4 GRecPath,PRecPath
|
|
|
|
SetPrefix PRec
|
1997-11-18 05:31:00 +00:00
|
|
|
unlock cdmutex
|
1998-12-21 23:57:08 +00:00
|
|
|
pei (ptr+2) Free memory used to hold
|
|
|
|
pei (ptr) GS/OS string with path.
|
|
|
|
jsl nullfree
|
|
|
|
lda #0 Completion status = 0.
|
|
|
|
;
|
|
|
|
; Rest of cleanup is shared with non-forked builtin
|
|
|
|
;
|
|
|
|
jmp nfcleanup
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* Next command is a shell command file: fork a shell script
|
|
|
|
|
|
|
|
doShell anop
|
|
|
|
inc biflag ;don't free argv...
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr prefork
|
|
|
|
|
|
|
|
* int fork2(void *subr, int stack, int prio, char *name, word argc, ...)
|
1998-09-08 16:53:14 +00:00
|
|
|
pea 0
|
1997-11-18 05:31:00 +00:00
|
|
|
ldy #2
|
|
|
|
lda [argv],y
|
|
|
|
pha
|
|
|
|
lda [argv]
|
|
|
|
pha
|
|
|
|
pea 0
|
|
|
|
pea 1024
|
|
|
|
ph4 #exec0
|
1998-09-08 16:53:14 +00:00
|
|
|
case on
|
1997-11-18 05:31:00 +00:00
|
|
|
jsl fork2
|
|
|
|
case off
|
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
jsr postfork
|
1997-11-18 05:31:00 +00:00
|
|
|
jmp free
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Forked shell starts here...
|
|
|
|
;
|
|
|
|
exec0 anop
|
1998-12-21 23:57:08 +00:00
|
|
|
ph4 _hpath argfree parameters.
|
|
|
|
ph2 _argc
|
1997-11-18 05:31:00 +00:00
|
|
|
ph4 _argv
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
ph4 _cpath ShellExec parameters
|
1997-11-18 05:31:00 +00:00
|
|
|
ph2 _argc
|
|
|
|
ph4 _argv
|
|
|
|
jsl infork
|
|
|
|
bcs exec0c
|
|
|
|
signal (#SIGCHLD,#0)
|
1998-09-08 16:53:14 +00:00
|
|
|
PushVariablesGS NullPB
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
pea 1 jobflag = 1
|
1998-09-08 16:53:14 +00:00
|
|
|
jsl ShellExec
|
1997-11-18 05:31:00 +00:00
|
|
|
jsl argfree
|
1998-09-08 16:53:14 +00:00
|
|
|
PopVariablesGS NullPB
|
1997-11-18 05:31:00 +00:00
|
|
|
rtl
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Error reported by infork; clean up stack and return to caller
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
exec0c pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
rtl
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
|
|
|
; Null parameter block used for shell calls PushVariables
|
|
|
|
; (ORCA/M manual p.420) and PopVariablesGS (p. 419)
|
|
|
|
NullPB dc i2'0' pCount
|
|
|
|
|
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* File name was found in the built-in table
|
|
|
|
|
|
|
|
trybuiltin inc biflag It's a built-in. Which type?
|
1998-09-08 16:53:14 +00:00
|
|
|
cmp #1 Either fork or don't fork.
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
beq noforkbuiltin
|
|
|
|
|
|
|
|
;
|
|
|
|
; It's a forked builtin
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
|
|
|
jsr prefork
|
|
|
|
fork #forkbuiltin
|
1998-09-08 16:53:14 +00:00
|
|
|
jsr postfork
|
1997-11-18 05:31:00 +00:00
|
|
|
jmp done
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
;
|
|
|
|
; Control transfers here for a forked built-in command
|
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
forkbuiltin anop
|
|
|
|
cop $7F Give palloc a chance
|
1997-11-18 05:31:00 +00:00
|
|
|
ph2 _argc
|
|
|
|
ph4 _argv
|
|
|
|
jsl infork
|
|
|
|
bcs fork0c
|
1998-09-08 16:53:14 +00:00
|
|
|
jsl builtin
|
1997-11-18 05:31:00 +00:00
|
|
|
rtl
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
; Error reported by infork; clean up stack and return to caller
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
fork0c pla
|
|
|
|
pla
|
|
|
|
pla
|
|
|
|
rtl
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
* ---------------------------------------------------------------
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
|
|
|
;
|
|
|
|
; It's a non-forked builtin
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
noforkbuiltin anop
|
|
|
|
pei (argc)
|
|
|
|
pei (argv+2)
|
|
|
|
pei (argv)
|
|
|
|
jsl builtin
|
1998-12-21 23:57:08 +00:00
|
|
|
and #$00FF Make return status look like result of
|
|
|
|
xba wait(): high-order byte = status.
|
|
|
|
|
|
|
|
nfcleanup anop
|
|
|
|
sta [awaitstatus]
|
|
|
|
stz rtnval Return value (pid) = no fork done.
|
|
|
|
;
|
|
|
|
; There might be a process waiting on a pipe
|
|
|
|
;
|
|
|
|
lda [pipesem]
|
|
|
|
sta _semaphore
|
|
|
|
bra chkpipe
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* Command was not found as built-in or as a file
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
notfound pei (ptr+2)
|
|
|
|
pei (ptr)
|
|
|
|
jsl nullfree
|
|
|
|
ldy #2
|
|
|
|
lda [argv],y
|
|
|
|
tax
|
|
|
|
lda [argv]
|
|
|
|
jsr errputs
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
ldx #^err2 Print error message:
|
|
|
|
lda #err2 'Command not found.'
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr errputs
|
1998-07-20 16:23:11 +00:00
|
|
|
|
1998-12-21 23:57:08 +00:00
|
|
|
chkpipe lda pipein
|
|
|
|
beq done
|
1998-07-20 16:23:11 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Input being piped into a command that was not found.
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
ssignal _semaphore
|
|
|
|
sdelete _semaphore
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
mv4 pjoblist,p
|
|
|
|
ldy #16 ;p_jobid
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
lda [p],y Get forked process's pid.
|
|
|
|
_getpgrp @a Get forked process's group number.
|
1997-11-18 05:31:00 +00:00
|
|
|
eor #$FFFF
|
|
|
|
inc a
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
kill (@a,#9) Kill all processes in that group.
|
1997-11-18 05:31:00 +00:00
|
|
|
sigpause #0
|
|
|
|
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
done cop $7F
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
lda biflag If built-in flag is clear,
|
1997-11-18 05:31:00 +00:00
|
|
|
bne skipfrarg
|
|
|
|
|
1998-12-21 23:57:08 +00:00
|
|
|
pei (hpath+2) Free arguments.
|
|
|
|
pei (hpath)
|
|
|
|
pei (argc)
|
1997-11-18 05:31:00 +00:00
|
|
|
pei (argv+2)
|
|
|
|
pei (argv)
|
|
|
|
jsl argfree
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
skipfrarg pei (cline+2) Free command-line.
|
|
|
|
pei (cline)
|
1997-11-18 05:31:00 +00:00
|
|
|
jsl nullfree
|
|
|
|
|
1998-07-20 16:23:11 +00:00
|
|
|
return 2:rtnval
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
|
|
|
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
*
|
|
|
|
* Support routines
|
|
|
|
*
|
|
|
|
* ---------------------------------------------------------------
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Tasks to do just before forking
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
prefork lock fork_mutex Lock the fork mutual exclusion.
|
1997-11-18 05:31:00 +00:00
|
|
|
SetInGlobals (#$FF,#00)
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Move essential parameters from stack to mutual-exclusion protected memory
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
mv4 sfile,_sfile
|
|
|
|
mv4 dfile,_dfile
|
|
|
|
mv4 efile,_efile
|
|
|
|
mv2 app,_app
|
|
|
|
mv2 eapp,_eapp
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
mv4 cline,_cline
|
|
|
|
mv4 cpath,_cpath
|
1998-12-21 23:57:08 +00:00
|
|
|
mv4 hpath,_hpath
|
1997-11-18 05:31:00 +00:00
|
|
|
mv2 argc,_argc
|
|
|
|
mv4 argv,_argv
|
|
|
|
mv2 pipein,_pipein
|
|
|
|
mv2 pipeout,_pipeout
|
|
|
|
mv2 pipein2,_pipein2
|
|
|
|
mv2 pipeout2,_pipeout2
|
|
|
|
mv2 bg,_bg
|
|
|
|
mv2 jobflag,_jobflag
|
|
|
|
lda [pipesem]
|
|
|
|
sta _semaphore
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
|
|
|
lda pipesem Set address of
|
|
|
|
sta putsem+1 semaphone in
|
|
|
|
lda pipesem+1 LDA instruction.
|
1997-11-18 05:31:00 +00:00
|
|
|
sta putsem+2
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
rts
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
* ---------------------------------------------------------------
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Tasks the parent process does right after forking
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d8:
Fixed several mutual exclusion problems, including a particularly nasty
one that would cause gsh to loop forever inside the memory manager. (You
could identify this one by the "BRA (-23)" at the bottom of the infinite
loop.)
Fixed the string vector print routine to properly handle all numbers of
entries in the hash table. Previously, it would always print duplicate
entries if there were < 6 commands hashed, and would sometimes print
duplicates (depending on previous contents of an internal table) for
other numbers of commands.
gsh would wait on background processes started from an exec file
(executed, not sourced). Now the exec file does not wait on the process,
but the background process is not associated with the parent shell after
the exec file terminates.
Made gsh globbing work more like csh: if none of the requested patterns
are found, print "No match" and exit.
At startup, if /etc/glogin, $HOME/glogin, or $HOME/gshrc does not exist,
don't report a "file not found" error message. (PR#100)
1998-12-31 18:29:14 +00:00
|
|
|
postfork sta rtnval Save pid as return value.
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
lda pipein If pipein != 0,
|
1997-11-18 05:31:00 +00:00
|
|
|
beq postfork2
|
1998-09-08 16:53:14 +00:00
|
|
|
sta CloseRef
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
Close CloseParm close pipein.
|
|
|
|
|
|
|
|
postfork2 lda pipeout If pipeout != 0,
|
1997-11-18 05:31:00 +00:00
|
|
|
beq postfork3
|
1998-09-08 16:53:14 +00:00
|
|
|
sta CloseRef
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
Close CloseParm close pipeout.
|
|
|
|
|
|
|
|
postfork3 lda rtnval If return value == -1,
|
1997-11-18 05:31:00 +00:00
|
|
|
cmp #-1
|
|
|
|
bne postfork4
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
ldx #^deadstr Print error message:
|
|
|
|
lda #deadstr 'Cannot fork (too many processes?)'
|
1997-11-18 05:31:00 +00:00
|
|
|
jsr errputs
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
unlock fork_mutex Unlock the fork mutual exclusion.
|
|
|
|
jmp postfork6 Return to caller.
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
postfork4 ldx jobflag
|
|
|
|
dex
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
beq postfork5 If jobflag == 1,
|
|
|
|
pha
|
1997-11-18 05:31:00 +00:00
|
|
|
pei (bg)
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
pei (cline+2)
|
|
|
|
pei (cline)
|
|
|
|
lda pipein if pipein == 0,
|
1997-11-18 05:31:00 +00:00
|
|
|
bne postfork4a
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
jsl palloc palloc(0,cline)
|
|
|
|
bra postfork5 else
|
|
|
|
postfork4a jsl pallocpipe pallocpipe(0,cline)
|
|
|
|
|
|
|
|
postfork5 anop
|
|
|
|
;
|
|
|
|
; Wait for fork mutual exclusion lock to clear (cleared by infork)
|
|
|
|
;
|
|
|
|
lda >fork_mutex ;DANGER!!!!! Assumes knowledge of
|
1998-09-08 16:53:14 +00:00
|
|
|
beq postfork6 ;lock/unlock structure!!!!!!!!
|
1997-11-18 05:31:00 +00:00
|
|
|
cop $7F
|
1998-09-08 16:53:14 +00:00
|
|
|
bra postfork5
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
postfork6 rts
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
* ---------------------------------------------------------------
|
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Startup tasks by forked process
|
1997-11-18 05:31:00 +00:00
|
|
|
;
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
infork phk Make sure data bank register
|
|
|
|
plb is the same as program bank.
|
Changes for gsh version 2.0d8:
Fixed several mutual exclusion problems, including a particularly nasty
one that would cause gsh to loop forever inside the memory manager. (You
could identify this one by the "BRA (-23)" at the bottom of the infinite
loop.)
Fixed the string vector print routine to properly handle all numbers of
entries in the hash table. Previously, it would always print duplicate
entries if there were < 6 commands hashed, and would sometimes print
duplicates (depending on previous contents of an internal table) for
other numbers of commands.
gsh would wait on background processes started from an exec file
(executed, not sourced). Now the exec file does not wait on the process,
but the background process is not associated with the parent shell after
the exec file terminates.
Made gsh globbing work more like csh: if none of the requested patterns
are found, print "No match" and exit.
At startup, if /etc/glogin, $HOME/glogin, or $HOME/gshrc does not exist,
don't report a "file not found" error message. (PR#100)
1998-12-31 18:29:14 +00:00
|
|
|
;
|
|
|
|
; NOTE: next two lines were added for v2.0.6 in order to prevent background
|
|
|
|
; processes from being waited on when they are kicked off from an
|
|
|
|
; exec file. The side effect of having the process become owned by
|
|
|
|
; the null process may not be desired. (Perhaps there is a better way!)
|
|
|
|
;
|
|
|
|
lda _bg If in background
|
|
|
|
bne optty
|
|
|
|
lda _jobflag or jobflag == 0,
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
bne infork0b
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d8:
Fixed several mutual exclusion problems, including a particularly nasty
one that would cause gsh to loop forever inside the memory manager. (You
could identify this one by the "BRA (-23)" at the bottom of the infinite
loop.)
Fixed the string vector print routine to properly handle all numbers of
entries in the hash table. Previously, it would always print duplicate
entries if there were < 6 commands hashed, and would sometimes print
duplicates (depending on previous contents of an internal table) for
other numbers of commands.
gsh would wait on background processes started from an exec file
(executed, not sourced). Now the exec file does not wait on the process,
but the background process is not associated with the parent shell after
the exec file terminates.
Made gsh globbing work more like csh: if none of the requested patterns
are found, print "No match" and exit.
At startup, if /etc/glogin, $HOME/glogin, or $HOME/gshrc does not exist,
don't report a "file not found" error message. (PR#100)
1998-12-31 18:29:14 +00:00
|
|
|
optty Open ttyopen Open tty.
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
jcs errinfork
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
lda _pipein
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
bne infork0a If not in pipeline,
|
|
|
|
tcnewpgrp ttyref allocate new process group.
|
|
|
|
infork0a settpgrp ttyref Set current process to have proc group.
|
|
|
|
lda _bg If in background,
|
|
|
|
beq infork0b
|
|
|
|
tctpgrp (gshtty,gshpid) reset tty to the shell process group.
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
infork0b ph4 _sfile Redirect I/O
|
1997-11-18 05:31:00 +00:00
|
|
|
ph4 _dfile
|
|
|
|
ph4 _efile
|
|
|
|
ph2 _app
|
|
|
|
ph2 _eapp
|
|
|
|
ph2 _pipein
|
|
|
|
ph2 _pipeout
|
|
|
|
ph2 _pipein2
|
|
|
|
ph2 _pipeout2
|
|
|
|
jsl redirect
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
jcs errinfork
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
unlock fork_mutex
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Wait on appropriate pipe semaphores
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
lda _pipein
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
bne infork0c
|
1997-11-18 05:31:00 +00:00
|
|
|
lda _pipeout
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
beq clean_exit
|
|
|
|
|
|
|
|
;
|
|
|
|
; _pipein == 0 && _pipeout != 0
|
|
|
|
;
|
|
|
|
screate #0 Create a semaphore with count=0.
|
|
|
|
putsem sta >$FFFFFF Store semaphore number in pipesem.
|
|
|
|
swait @a Block on semaphore until ssignal.
|
|
|
|
bra clean_exit
|
|
|
|
|
|
|
|
infork0c lda _pipeout
|
|
|
|
bne clean_exit
|
|
|
|
;
|
|
|
|
; _pipein != 0 && _pipeout != 0
|
|
|
|
;
|
|
|
|
waitsemy lda _semaphore While _semaphore == 0,
|
1997-11-18 05:31:00 +00:00
|
|
|
bne goodsemy
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
cop $7F allow other processes to run.
|
1997-11-18 05:31:00 +00:00
|
|
|
bra waitsemy
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
goodsemy ssignal _semaphore Release _semaphore
|
|
|
|
sdelete _semaphore and delete it.
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
clean_exit anop
|
1997-11-18 05:31:00 +00:00
|
|
|
clc
|
|
|
|
bra indone
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; Arrive at "errinfork" if ttyopen or redirect didn't work.
|
|
|
|
;
|
|
|
|
errinfork unlock fork_mutex
|
|
|
|
; sec Note: carry already set
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
indone rtl Return to caller; status in carry.
|
1998-09-08 16:53:14 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
|
|
|
|
fork_mutex key Mutual exclusion for forking
|
|
|
|
info_mutex key Mutual exclusion for GetFileInfo
|
|
|
|
cdmutex key Mutual exclusion for SetPrefix
|
|
|
|
|
|
|
|
;
|
|
|
|
; Variables protected by fork_mutex (set by parent, used by child process)
|
|
|
|
;
|
1997-11-18 05:31:00 +00:00
|
|
|
_argc dc i2'0'
|
|
|
|
_argv dc i4'0'
|
|
|
|
_sfile dc i4'0'
|
|
|
|
_dfile dc i4'0'
|
|
|
|
_efile dc i4'0'
|
|
|
|
_app dc i2'0'
|
|
|
|
_eapp dc i2'0'
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
_cline dc i4'0'
|
|
|
|
_cpath dc i4'0'
|
1998-12-21 23:57:08 +00:00
|
|
|
_hpath dc i4'0'
|
1997-11-18 05:31:00 +00:00
|
|
|
_pipein dc i2'0'
|
|
|
|
_pipeout dc i2'0'
|
|
|
|
_pipein2 dc i2'0'
|
|
|
|
_pipeout2 dc i2'0'
|
|
|
|
_bg dc i2'0'
|
|
|
|
_jobflag dc i2'0'
|
|
|
|
_semaphore dc i2'0'
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
;
|
|
|
|
; String constants
|
|
|
|
;
|
1998-09-08 16:53:14 +00:00
|
|
|
str dc c'[0]',h'0d00'
|
1997-11-18 05:31:00 +00:00
|
|
|
err1 dc c': Not executable.',h'0d00'
|
|
|
|
err2 dc c': Command not found.',h'0d00'
|
|
|
|
deadstr dc c'Cannot fork (too many processes?)',h'0d00' ;try a spoon
|
|
|
|
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1998-12-21 23:57:08 +00:00
|
|
|
; Parameter block for GS/OS call GetFileInfo
|
1998-09-08 16:53:14 +00:00
|
|
|
GRec dc i'4' pCount (# of parameters)
|
|
|
|
GRecPath ds 4 pathname (input; ptr to GS/OS string)
|
|
|
|
ds 2 access (access attributes)
|
|
|
|
GRecFileType ds 2 fileType (file type attribute)
|
|
|
|
GRecAuxType ds 4 auxType (auxiliary type attribute)
|
Major changes to gsh with this checkin:
* When ~ is parsed and next character is a delimiter, make sure contents
of expanded $HOME match the user's delimiter.
* When wildcard patterns don't match, rather than terminating the command
gsh now prints "No match: <pattern> ignored" and passes the command line
minus the unmatched patterns on to be executed.
* Modified echo command so it doesn't add a blank to the end.
* Make "clear" and "source" built-ins non-forked commands. Unforking
"source" allows prefixes to be set in files that are sourced.
* Add loop to parse a single command (removing leading whitespace) before
sending it off to be expanded and executed. Skip null lines and comments
at this level. This allows later commands that depend upon variables set
in the 1st command to work; e.g.: set t_num=1 ; echo "Test number $t_num"
Also fixes problems seen when tab was first character of multiple lines.
* Initialize environment variable flags at startup (for echo, nodirexec,
nonewline, noglob, nobeep, pushdsilent, term, and ignoreeof). Set
flag when env var is set in upper or lower case (formerly, only worked
with lower case).
* Lots of places two-word addresses are incremented using inc, without
checking for overflow into the high-order word. As these are discovered,
they are changed to use adc on both words.
See file UpdateLog for detailed list of changes.
1998-06-30 17:26:04 +00:00
|
|
|
|
1997-11-18 05:31:00 +00:00
|
|
|
|
1998-09-08 16:53:14 +00:00
|
|
|
PRec dc i'2'
|
|
|
|
PRecNum dc i'0'
|
|
|
|
PRecPath ds 4
|
1997-11-18 05:31:00 +00:00
|
|
|
|
|
|
|
CloseParm dc i2'1'
|
|
|
|
CloseRef dc i2'0'
|
|
|
|
|
|
|
|
Err dc i2'0'
|
|
|
|
|
Changes for gsh version 2.0d5:
Add quotes around null parameters from the command line so they will be
parsed properly (resolves PR#84).
Output piped to an unfound command caused gsh to terminate, due to an
interface change to the GNO 2.0.6 version of getpgrp(2): it now returns the
process group of the caller. To get the process group number for the
pid passed as a parameter pid, the call has to be made to _getpgrp(2).
In addition to fixing invoke.asm, updates were also made in jobs.asm.
When directory stack is full, pushd, reports a new error message: 'pushd:
Directory stack full'. (Previously, 50 pushds would cause a crash.)
When parameter passed to "pushd +n" is <= 0, report a new error message:
'pushd: Invalid number'. (Previously, tried to chdir to the parameter.)
When a command appends to stderr (e.g., echo test >>&/tmp/err), stdin was
closed, due to errappend being defined as pipefds+2 rather than pipefds+4
in cmd.asm.
When there was an error reading stdin, gsh went into an infinite loop of
beeping and requesting more input. Changed getchar (in stdio.asm) and
GetCmdLine (in edit.asm) to report the error and terminate.
Code in cmd.asm set and reset handler for signal SIGSTOP (17). This makes
no sense, since there cannot be a handler for SIGSTOP. This was changed
to set and reset signal SIGTSTP (18) since that handler is used by gsh.
The error message "specify a command before redirecting" was never
caught by the invoke() subroutine because the next higher routine,
command(), checked for argv==0 before calling invoke(). The error
message was moved into command().
1998-10-26 17:04:51 +00:00
|
|
|
; Parameter block for opening tty
|
1997-11-18 05:31:00 +00:00
|
|
|
ttyopen dc i2'2'
|
|
|
|
ttyref dc i2'0'
|
|
|
|
dc i4'ttyname'
|
|
|
|
ttyname gsstr '.tty'
|
|
|
|
|
|
|
|
END
|