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cbdfea4c97
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1673 Commits

Author SHA1 Message Date
Stephen Heumann
cbdfea4c97 Revise signal handling to work with GNO. 
This involved using signal() rather than sigaction(), which GNO doesn't have. signal() doesn't have the signal-blocking feature of sigaction(), but I've tried to emulate it.
 2014-11-04 10:45:28 -06:00
Stephen Heumann
036b92595c Address some link errors with various small changes. 
The most significant change is to at use malloc instead of alloca in the code to evaluate shell arithmetic expressions in shell/math.c.
 2014-11-03 23:29:34 -06:00
Stephen Heumann
9850090331 Use STDERR_FILENO rather than 2 in debug print statements, so they'll properly go to stderr on GNO. 2014-11-03 19:20:20 -06:00
Stephen Heumann
488a238ad7 Add an implementation of poll() written in terms of select(), to work around the lack of poll() on GNO. 
This is a BSD-licensed poll() implementation by Brian M. Clapper. Its performance characteristics aren't as good as a "native" poll() would be, but this shouldn't be a problem in practice.
 2014-11-03 12:26:43 -06:00
Stephen Heumann
051b79efc1 Move all the source files to 15-character ProDOS-compatible file names. 
Dmake gets confused if you use over-15-character file names, so they needed to be shortened to get it to work. While I was at it, I also switched _ to . in the filenames so they're fully ProDOS compatible.

The shell/hush_test directory (not needed to build the code) still uses ProDOS-incompatible file names.
 2014-11-02 22:11:07 -06:00
Stephen Heumann
d4b2c3ce8b Various changes for GNO and ORCA/C compatibility. 2014-11-02 18:30:31 -06:00
Stephen Heumann
875b1bbd0e More GNO and ORCA/C compatibility fixes. 
Everything in the shell directory now compiles.
 2014-11-01 18:25:21 -05:00
Stephen Heumann
2464399542 Convert additional vfork calls to xvfork_and_run. 2014-11-01 16:59:17 -05:00
Stephen Heumann
d7a6168aa1 ORCA/C compat fixes. Variables must be at beginning of block. 2014-11-01 16:07:30 -05:00
Stephen Heumann
3577d48e74 Change the ARRAY_SIZE macro to work around an ORCA/C limitation. 2014-11-01 15:47:17 -05:00
Stephen Heumann
2b0d727f39 Include glob implementation from dietlibc. 
GNO doesn't actually implement glob, although it has a header for it. The GNO header is from an old BSD version and is missing some constants we need, so don't use it.
 2014-11-01 14:27:52 -05:00
Stephen Heumann
f6c7fdc027 GNO/ORCA compatiblity: remove final comma in enums, and appropriately define stuff that GNO doesn't have in platform.h. 2014-11-01 14:22:47 -05:00
Stephen Heumann
3709307794 Get rid of varargs macros in hush.c. 2014-11-01 11:25:19 -05:00
Stephen Heumann
8f6869ae25 Miscellaneous changes for ORCA/C and GNO compatibility, mainly removing C99isms. 
At this point, ORCA/C can process the main header files, and some smaller source files compile without errors.
 2014-11-01 09:46:02 -05:00
Stephen Heumann
b7676499be More removal of stuff that used long longs 2014-10-27 19:45:38 -05:00
Stephen Heumann
6c2c9d8865 Get rid of long longs in the the hush code (but not yet in the libraries) 2014-10-27 14:09:00 -05:00
Stephen Heumann
16c89af688 Change vfork calls to use vfork_and_run operation with GNO-compatible semantics 2014-10-27 13:10:11 -05:00
Stephen Heumann
e61b4040ec Make char unsigned, as busybox is designed for (and as ORCA/C does) 2014-10-27 00:48:59 -05:00
Stephen Heumann
a00ca4770f Eliminate or disable all the warnings given by clang -Wall 2014-10-26 23:30:51 -05:00
Stephen Heumann
472db3bd56 Delete the stuff that's irrelevant to hush. Also, include (a simplified version of) the autoconf-generated headers and a simple build script, so it can easily be build in the hush-only configuration. 2014-10-26 22:39:01 -05:00
Stephen Heumann
ef1a853400 Minimal changes to enable hush-only builds on OS X 2014-10-26 21:14:47 -05:00
Denys Vlasenko
07f7ea70ed ash: fix off-by-one in "jobs %4" handling. closes 7310 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-09-08 17:21:52 +02:00
Denys Vlasenko
2ec34969e7 ash: factor out ASH_HELP config option 
It used to be aliased to !FEATURE_SH_EXTRA_QUIET for ash,
while hush had it separate from FEATURE_SH_EXTRA_QUIET.

Bring ash in line with hush.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-09-08 16:52:39 +02:00
Denys Vlasenko
e9ab07c211 ash: make ${#var} unicode-aware 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 18:00:08 +02:00
Denys Vlasenko
841f8331d7 ash,hush: run reinit_unicode() only if makes sense 
With static Unicode support, no need to check $LANG et al.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 10:09:49 +02:00
Denys Vlasenko
c538d5bcc3 hush: make ${#var} unicode-aware 
This mimics bash

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 09:57:44 +02:00
Bartosz Golaszewski
5d2e409ef8 libbb: use a wrapper around sysconf(_SC_CLK_TCK) to save a few bytes 
function                                             old     new   delta
bb_sc_clk_tck                                          -      10     +10
timescmd                                             118     113      -5
print_route                                         1763    1758      -5
mpstat_main                                         1288    1283      -5
iostat_main                                         1947    1942      -5
INET_setroute                                        879     871      -8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/5 up/down: 10/-28)            Total: -18 bytes
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-06-22 14:01:13 +02:00
Denys Vlasenko
3fa97af7cc ash,hush: set $HOSTNAME is bash compat. Closes 7028 
function                                             old     new   delta
hush_main                                           1056    1128     +72
ash_main                                            1442    1487     +45

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-04-15 11:43:29 +02:00
Denys Vlasenko
109ee5d336 ash: make "locak VAR" unset VAR (bash does that) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-16 18:41:11 +01:00
Denys Vlasenko
ac03a40cba ash,hush: fix a thinko about 2^64-1 factorization 
function                                             old     new   delta
next_random                                          113     119      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-15 09:25:46 +01:00
Denys Vlasenko
2bba591991 hush: make "true" built-in 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-14 12:43:57 +01:00
Denys Vlasenko
f93187512d random: cosmetic tweaks in debug code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-13 13:03:27 +01:00
Denys Vlasenko
fb183076a3 ash,hush: improve randomness of $RANDOM, add easy-ish way to test it 
function                                             old     new   delta
next_random                                           68     113     +45
change_random                                        103     121     +18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-13 12:52:43 +01:00
Denys Vlasenko
5680e98451 ash: in bash compat mode, always export $SHLVL 
function                                             old     new   delta
ash_main                                            1437    1442      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-01-07 16:12:48 +01:00
Denys Vlasenko
8bd810bd27 hush: typo fixes in comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-11-28 01:50:01 +01:00
Bernhard Reutner-Fischer
80f8cdf04a ash: Set SHLVL in ASH_BASH_COMPAT 
function                                             old     new   delta
ash_main                                            1456    1505     +49
.rodata                                           148488  148494      +6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 55/0)               Total: 55 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2013-11-08 14:30:20 +01:00
Bernhard Reutner-Fischer
200c1c46f4 ash: Use setvar2 some more 
(add/remove: 0/0 grow/shrink: 10/15 up/down: 13/-27)          Total: -14 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2013-11-08 14:12:13 +01:00
Denys Vlasenko
25ce3ee9f3 typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-14 01:23:06 +02:00
Denys Vlasenko
e95738f635 typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-08 03:13:08 +02:00
Denys Vlasenko
2301d127a2 unicode: check $LC_CTYPE too to detect Unicode mode 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-05 22:00:57 +02:00
Denys Vlasenko
3e7ecb179b unicode: check $LC_ALL to detect Unicode mode, not only $LANG 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-02 17:30:23 +02:00
Denys Vlasenko
ff463a885d hush: fix build failure if FEATURE_EDITING=y && !HUSH_INTERACTIVE 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-05-12 02:45:23 +02:00
Flemming Madsen
d96ffda62e ash,hush: history builtin 
function                                             old     new   delta
show_history                                           -      39     +39
builtin_history                                        -      16     +16
historycmd                                             -      13     +13
bltins1                                              312     324     +12
builtintab                                           336     344      +8
popstring                                            134     140      +6
hush_main                                           1048    1046      -2
ash_main                                            1398    1396      -2
size_from_HISTFILESIZE                                44      40      -4
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 3/3 up/down: 94/-8)              Total: 86 bytes

Signed-off-by: Flemming Madsen <busybox@themadsens.dk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-04-07 18:47:24 +02:00
Denys Vlasenko
3beab83e4f hush: fix for "while false && true; do echo BUG; break; done". closes 6170 
function                                             old     new   delta
run_list                                             959     941     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-04-07 18:16:58 +02:00
Denys Vlasenko
091f831424 ash: add comment about failures in source builtin. No code changes. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-17 14:25:22 +01:00
Denys Vlasenko
88b532d59a hush: source builtin should override $N only if it has args 
function                                             old     new   delta
builtin_source                                       174     184     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-17 14:11:04 +01:00
Stefan Hellermann
4ef1439c59 ash: read $HOME/.profile instead of $(pwd)/.profile 
ash --login should read ~/.profile instead of .profile in the current
directory. I noticed it while trying to figure out why /root/.profile
is only read sometimes.

function                                             old     new   delta
ash_main                                            1374    1398     +24

Signed-off-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-15 02:45:50 +01:00
Stefan Hellermann
aeb717aa5e ash: move code to allow setting $HOME in /etc/profile 
move HISTFILE=$HOME/.ash_history below reading /etc/profile,
so that /etc/profile can set $HOME. HOME can be unset when
directly invoking ash --login from init without going through
getty.

Signed-off-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-15 02:37:51 +01:00
Denys Vlasenko
1961aea305 move endofname() to libbb 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-02-26 00:36:53 +01:00
Denys Vlasenko
7c4b13e019 ash: revert wrong "fix" for an apparent memory leak. Closes 5822 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-17 13:02:27 +01:00