mirror of https://github.com/GnoConsortium/gno.git
added "validity of pathnames" comment
removed perror implementation and trap.asm concheck comments
This commit is contained in:
gdr
parent
353efc72a2
commit
6a8369544e
50
NOTES/TO.DO
50
NOTES/TO.DO
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@ -1,18 +1,22 @@
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*******
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* soon
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*
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* $Id: TO.DO,v 1.1 1997/02/28 05:42:26 gdr Exp $
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* $Id: TO.DO,v 1.2 1997/08/08 05:09:51 gdr Exp $
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*
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*******
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Use result of _setModeEmulation(3) in appropriate calls. These include
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chmod -
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fchmod -
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creat - done
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open - done
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stat - unnecessary
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fstat - unnecessary
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lstat - unnecessary
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specifying 'chmod +x' (effectively) on a file of type TXT or SRC should
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change that file to be type SRC and auxtype EXEC.
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check up on the type of nlink_t, used in stat(2)
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Write a test that handles:
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@ -33,31 +37,45 @@ libc/sys/exec.c:
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These functions should operate closer to GS/OS when possible.
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Also need to reduce stack requirements.
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*******
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* remove from / replace in Orcalib
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*******
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For the exec* functions, there should be a test for whether
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or not the file is of type SRC and auxtype EXEC. If that
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is the case, and if the first two characters of the file
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are '#!', then the shell should be exec'd instead. (currently,
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shell scripts cannot be exec'd)
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strerror orcalib/string.asm
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perror orcalib/stdio.a
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sys_errlist orcalib/stdio.a problem
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sys_nerr orcalib/vars.a problem
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Fix filename mapping code:
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--- inclusion start
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> A#38: The first thing to watch for is known compiler and library bugs.
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> [...]
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> validity of pathnames
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> [...]
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> - use dynamic directory delimiters. The ':' character is
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> always considered to be a directory separator. The '/'
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> character is considered to be a directory separator unless
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> ':' is present, in which case it is part of the file name.
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> This is the closest to GS/OS, but also has some problems
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> with POSIX compliance. For example, the PATH environment
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> variable is _supposed_ to a list of pathnames delimited
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> by the ':' character.
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GS/OS behaves a little differently than this paragraph describes. The
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first ':' or '/' encountered when scanning the pathname from left to
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right is assumed to be the separator. If a '/' occurs first, then any
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':'s appearing later are illegal. The paragraph suggests that the '/'
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will be considered part of the file name if a ':' appears later. (Your
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point about POSIX compliance is still valid, though.)
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--- inclusion end
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*******
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* defer
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*******
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libc/stdio/perror.c:
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use BSDish implementation for perror(3) to avoid stdio.
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libc/sys/syscall.c:
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for unlink, if file is open, then register a call to unlink
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(non-recursive) the file via atexit(3)
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libc/sys/trap.asm:
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Insert conchecks in trap functions to check to see if GNO
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is active and at the right version level. If not, they
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should abort.
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libc/gen/environ.c:
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Review routines. Force them to use GSString routines, reduce
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stack usage (depend on dynamic allocation for parm blocks).
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@ -1,18 +1,22 @@
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*******
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* soon
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*
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* $Id: TO.DO,v 1.1 1997/02/28 05:42:26 gdr Exp $
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* $Id: TO.DO,v 1.2 1997/08/08 05:09:51 gdr Exp $
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*
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*******
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Use result of _setModeEmulation(3) in appropriate calls. These include
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chmod -
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fchmod -
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creat - done
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open - done
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stat - unnecessary
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fstat - unnecessary
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lstat - unnecessary
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specifying 'chmod +x' (effectively) on a file of type TXT or SRC should
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change that file to be type SRC and auxtype EXEC.
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check up on the type of nlink_t, used in stat(2)
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Write a test that handles:
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@ -33,31 +37,45 @@ libc/sys/exec.c:
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These functions should operate closer to GS/OS when possible.
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Also need to reduce stack requirements.
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*******
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* remove from / replace in Orcalib
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*******
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For the exec* functions, there should be a test for whether
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or not the file is of type SRC and auxtype EXEC. If that
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is the case, and if the first two characters of the file
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are '#!', then the shell should be exec'd instead. (currently,
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shell scripts cannot be exec'd)
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strerror orcalib/string.asm
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perror orcalib/stdio.a
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sys_errlist orcalib/stdio.a problem
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sys_nerr orcalib/vars.a problem
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Fix filename mapping code:
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--- inclusion start
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> A#38: The first thing to watch for is known compiler and library bugs.
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> [...]
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> validity of pathnames
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> [...]
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> - use dynamic directory delimiters. The ':' character is
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> always considered to be a directory separator. The '/'
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> character is considered to be a directory separator unless
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> ':' is present, in which case it is part of the file name.
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> This is the closest to GS/OS, but also has some problems
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> with POSIX compliance. For example, the PATH environment
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> variable is _supposed_ to a list of pathnames delimited
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> by the ':' character.
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GS/OS behaves a little differently than this paragraph describes. The
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first ':' or '/' encountered when scanning the pathname from left to
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right is assumed to be the separator. If a '/' occurs first, then any
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':'s appearing later are illegal. The paragraph suggests that the '/'
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will be considered part of the file name if a ':' appears later. (Your
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point about POSIX compliance is still valid, though.)
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--- inclusion end
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*******
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* defer
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*******
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libc/stdio/perror.c:
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use BSDish implementation for perror(3) to avoid stdio.
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libc/sys/syscall.c:
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for unlink, if file is open, then register a call to unlink
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(non-recursive) the file via atexit(3)
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libc/sys/trap.asm:
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Insert conchecks in trap functions to check to see if GNO
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is active and at the right version level. If not, they
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should abort.
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libc/gen/environ.c:
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Review routines. Force them to use GSString routines, reduce
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stack usage (depend on dynamic allocation for parm blocks).
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|
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