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199 Commits

Author SHA1 Message Date
christos a0fa692d3b PR/3352: From Hiroyuki Ito: ${#1} was not being expanded properly if there 
was a need to allocated another stack block.
 1997-03-18 18:54:40 +00:00
christos 7accaec421 NO_HISTORY->SMALL 1997-03-14 01:42:18 +00:00
christos 6042831b7e Fix problems with -DNO_HISTORY 1997-03-13 21:57:32 +00:00
mycroft 3a59e5e8e3 Set input files to close-on-exec mode. 1997-03-13 20:07:49 +00:00
mouse 412433b44c alternate -> alternative, per PR 2643 1997-03-08 13:26:20 +00:00
christos 6b7623a681 Fix PR/3289: upon initialization check if $PWD contains the right directory 
and use it. We also maintain $PWD now, like the rest of the
	     shells.
 1997-03-07 21:36:19 +00:00
christos 4a521d359f varisset fixes: 
- treat $0 specially since it is not in shellparams
	- check the number of parameters instead of walking
	  the parameters array to avoid checking against the
	  null terminated element.
 1997-03-03 19:26:18 +00:00
christos edc5dadbab PR/3269: Off by one in varisset(), caused variable substitution not to 
count the last positional parameter as set.
 1997-03-01 19:33:29 +00:00
christos a5aaf55cf3 Fix PR/3258 sh -c 'echo $0' causes segmentation fault. 1997-02-25 17:51:50 +00:00
christos 680690d33c add type builtin. 1997-02-06 23:24:52 +00:00
christos 6f224ae59f Fix parsing problem introduced in the previous ${10} fix, where $#digit 
or $digit# would get mis-parsed as a positional parameter.
 1997-01-26 18:05:34 +00:00
christos 633ceb6db5 - varisset(): In positional arguments, take into account VSNUL so that: 
set -- ""; echo ${1:-wwww} works.
- when expanding arithmetic, discard previous ifs recorded regions, since we
  are doing our own scanning. x=ab; echo $((${#x}+1)) now works.
- in ${var#word} fix two bugs:
   * if there was an exact match, there was an off-by-one bug in the
     comparison of the words. x=abcd; echo ${x#abcd}
   * if there was no match, the stack region was not adjusted and the rest
     of the word was getting written in the wrong place. x=123; echo ${x#abc}X
 1997-01-24 17:26:28 +00:00
christos 3d5f212ba8 enable parsing of multi-digit positional arguments i.e. ${10} works and it 
is not a bad substitution.
 1997-01-24 17:15:56 +00:00
tls 48250187e6 kill 'register' 1997-01-11 02:04:27 +00:00
cjs 5678a13f1b Re-introduce some code from 1.14 (with modifications) to make the 
shell's idea of the current working directory match reality when
symlinks (or anything else we can't stat) are traversed with the
cd command. However, this does not print out the cwd after cd
traverses symlinks, as it used to, though the capability is still
there should one want to use it.
 1996-12-22 08:34:34 +00:00
christos a00e49c200 Getopts bugs again (I'll never get this right). 
- make sure that OPTIND is set correctly even in the absence of options.
- don't keep stale state between getopts calls.
 1996-12-15 20:37:09 +00:00
christos 340077b543 - fix parsing bug reported by mycroft: ! was only recognized in the beginning 
of pipelines. Now we are recognizing it everywhere like ksh, so:

	! if [ a = b ]; then ! echo c && ! true; else ! echo d; fi

  works.
 1996-11-25 20:22:00 +00:00
christos 9530a32719 Fix bug in getopts code where the argument list got truncated. 
From Todd Miller.
 1996-11-24 20:48:01 +00:00
christos 07aeb5b266 remove a debugging printf that was left from the last POSIX error code fixes. 1996-11-09 01:04:07 +00:00
christos ccce082dd2 Fix miscellaneous getopts problems: 
- the 3 argument version of getopts would not reset properly
- OPTARG did not get cleared after a non argument option was found
- OPTIND was not set properly after a non argument option.
 1996-11-06 01:17:10 +00:00
christos 846dce0ee3 Fix problems that gcc -Wall found (from Todd Miller, OpenBSD) 1996-11-02 18:26:03 +00:00
christos a4ad4c0efc A correction to the previous patch from Todd Miller. 1996-11-02 18:07:08 +00:00
christos 27e15e5bbc echo ${1:-empty} did not do the substitution; from Todd Miller (OpenBSD) 1996-11-02 17:47:41 +00:00
cgd 8ba64baaaf add builtins.h to the list of (built) headers depended on by ${OBJS}, so 
make from 'cleandir' works.
 1996-10-22 13:22:19 +00:00
abrown e613224229 Remove leftover printf("here") from last change. 1996-10-19 02:38:36 +00:00
christos bc73cf950a PR/2808: Remove trailing whitespace (from FreeBSD) 1996-10-16 15:45:03 +00:00
christos afb80e9b13 PR/2808: Add a definition for warnx() (from FreeBSD; currently unused) 1996-10-16 15:28:10 +00:00
christos 2b0a187f34 PR/2808: Use .Nm macro properly. (from FreeBSD) 1996-10-16 15:27:03 +00:00
christos 1a523dd56b PR/2808: - Don't use p++ in macros. 
- Hash using unsigned numbers.
	 (from FreeBSD)
 1996-10-16 15:24:31 +00:00
christos 68b1dcea6d PR/2808: Don't define DEBUG and #ifdef out functions not needed when DEBUG 
is not defined (from FreeBSD).
 1996-10-16 15:21:49 +00:00
christos 3b66e0cada PR/2808: Add HISTORY section and documentation of getopts. (from FreeBSD) 1996-10-16 15:20:01 +00:00
christos da8c1311a3 PR/2808: fix redirection to the same file descriptor 
better error messages for failed pipes
	 (from FreeBSD)
 1996-10-16 15:16:04 +00:00
christos d8c242f0ae PR/2808: - detect eof inside backquotes 
- handle && and || shortcircuits properly
	 - tokens.def -> tokens.h
	 (from FreeBSD)
 1996-10-16 14:53:23 +00:00
christos 10a76271de No need to have 2 declarations for the same constant string, one for K&R and 
one for STDC...
 1996-10-16 14:51:24 +00:00
christos fd8c99438e PR/2808: POSIX 1003.2: first arg after -c cmd is $0, remainder $1... 
(from FreeBSD)
 1996-10-16 14:49:56 +00:00
christos 14185e5152 PR/2808: Kill use of error2() (from FreeBSD) 1996-10-16 14:49:03 +00:00
christos 71ab1d0aed PR/2808: tokens.def -> tokens.h 1996-10-16 14:47:49 +00:00
christos 03ba3cf0d6 PR/2808: Use the <ctype.h> functions instead of our homegrown tables to 
determine if a character is alpha or alphanumeric, so that NLS
	 works... now if only our NLS really worked... (from FreeBSD).
 1996-10-16 14:46:35 +00:00
christos f6c00506fc PR/2808: Remove extraneous newline from error message (from FreeBSD) 1996-10-16 14:44:28 +00:00
christos 00a9e38ee8 PR/2808: #undef things that we #define to avoid duplicate definitions. 
(from FreeBSD)
 1996-10-16 14:43:37 +00:00
christos a20d79429a PR/2808: Don't include <sgtty.h> unless OLD_TTY_DRIVER is defined. 
Remove extraneous newline from error messages.
 1996-10-16 14:42:20 +00:00
christos 435812e77d PR/2808: Remove extraneous newlines from error routines (from FreeBSD) 1996-10-16 14:40:32 +00:00
christos 4b99c4d748 PR/2808: Fix parsing of $n where n > 9 (from FreeBSD) 1996-10-16 14:38:58 +00:00
christos 2a9c11dd53 PR/287: Shell does not exit with 126/127 when permission denied/ 
command not found. Add extra exception type and generalize
	error handling routines to take that exception type. Use
	a global variable exerrno to keep the last exec error.
 1996-10-16 14:35:42 +00:00
christos 886c875a97 PR/287: Exit with 127/126 when command is not found/permission denied. 
PR/2808: don't bomb out on "set -e; false && true"
 1996-10-16 14:31:57 +00:00
christos dd6abbc5c3 PR/2808: Handle cd "". This is for systems where "" != "." 1996-10-16 14:29:42 +00:00
christos aded8d4c14 PR/2808: tokens.def -> tokens.h 1996-10-16 14:24:56 +00:00
christos 3ec8ea2b0e PR/2808: Depend and clean fixes from FreeBSD 1996-10-16 14:23:51 +00:00
thorpej 47f181309b If getcwd() fails, dang it, I want to know _why_. 1996-09-18 22:47:48 +00:00
mycroft c65b90450d ioctl(TIOC[GS]PGRP) -> tc[gs]etpgrp() 1996-09-17 14:44:05 +00:00