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340 Commits

Author SHA1 Message Date
tjr
29dbde6d3c Ensure that the TTY file descriptor is greater than or equal to 10 so that 
it doesn't interfere with the user's redirections.

PR:		47136
MFC after:	1 week
 2003-01-27 07:41:12 +00:00
tjr
81914313b7 Make this compile with DEBUG defined now that WARNS=0 has been removed 
from the Makefile:
- Print pointers with %p instead of %x.
- Include missing headers to get prototypes.

Noticed by:	benno
 2003-01-21 10:06:04 +00:00
tjr
d53165c37b Do not strip CTL* escapes from redirection filenames in exptilde(), 
expari(), expbackq() and evalvar(). Similar to revision 1.39.
Patch from Tor Egge.

PR:		45349
MFC after:	2 weeks
 2003-01-08 10:50:08 +00:00
tjr
3b9687df3d Add the "wordexp" shell built-in command which will be used to implement 
the POSIX wordexp() function.
 2002-12-26 14:28:54 +00:00
ru
4979ab8d81 mdoc(7) police: Deal with self-xrefs. 2002-12-24 13:41:48 +00:00
ru
872b8f74a9 mdoc(7) police: markup nit. 2002-12-23 15:21:38 +00:00
dwmalone
21a52f8f3f Use '\033' rather than '\e' as the latter is a gccism. 
PR:             46015
Submitted by:   Jeroen Ruigrok van der Werven <asmodai@wxs.nl>
MFC after:      1 week
 2002-12-22 21:35:14 +00:00
trhodes
10dbdf9107 The code uses trapsasync, however the manual page uses asynctraps. Fix the 
manual page to reflect the code.

PR:		45820
Submitted by:	Marco Molteni <molter@tin.it>
Discussed with:	tjr
 2002-12-17 20:27:48 +00:00
fanf
3a97bafeeb Document trap EXIT and trap SIGNAME. 2002-12-17 17:31:44 +00:00
tjr
0423e8e003 When job control is disabled, never show the job id when reporting the 
status of a background process that has terminated because of a signal.
 2002-12-14 01:08:04 +00:00
ru
4b97577172 Capitalize ASCII code names. 
Approved by:	re
 2002-12-05 08:50:00 +00:00
tjr
496051977b Delete worthless comments. 2002-10-30 06:34:52 +00:00
tjr
a96c7569e1 Avoid accidentally making "-h" a synonym for "fc". 
Obtained from:	NetBSD
 2002-10-18 10:33:32 +00:00
tjr
33d1a8b9c2 Do not strip CTL* escapes from redirection filenames in argstr(); they 
are later stripped with rmescapes() in expandarg(). If the filename has
already been unescaped, doing it again in rmescapes() can walk off the
end of the string, leading to memory corruption and eventually SIGSEGV.

Noticed by:	kris
 2002-10-08 11:22:49 +00:00
tjr
742de9da6c Disallow empty condition parts of "if", "while" and "until" compound 
commands. Commands like "if then ... fi" and "while do ... done" are no
longer accepted. Bodies of compound commands are still allowed to be
empty, because even though POSIX does not allow them, most shells do.
 2002-10-06 06:35:51 +00:00
tjr
aef5d44ac2 Use %d in a printf() format string and cast the argument to int instead of 
using %td when we know that the number is between 0 and 9; mksyntax is a
build tool and needs to work on -stable.
 2002-10-02 09:57:54 +00:00
tjr
d1745bcd0c Back out experimental changes to fmtstr() that I didn't mean to include 
in the previous commit.
 2002-10-01 13:41:13 +00:00
tjr
4ea24b7f73 Replace a home-grown printf() clone with a fwopen() wrapper around 
libc's vfprintf() that writes to a `struct output' instead of a file.
Inspired by NetBSD's similar changes (they used asprintf() instead).
 2002-10-01 13:22:12 +00:00
mux
a7fdee892c It is now safe to remove WARNS=0 and WFORMAT=0. 
Tested on:	alpha, i386, sparc64
 2002-10-01 12:12:45 +00:00
tjr
2b33063d01 Restore "not found" error message when searching for (or executing) 
a program fails because the file or a path component does not exist.

Suggested by:	bde
 2002-10-01 11:48:18 +00:00
mux
bad1a9d852 - Don't use quad_t when we really mean rlim_t. 
- Cast rlim_t to intmax_t when printing it.

This should fix the last format errors in sh(1).

Tested on:	i386, sparc64
 2002-10-01 11:44:38 +00:00
tjr
508be2d558 Add back WARNS=0 and WFORMAT=0; gcc is finding nonexistent format string 
errors with %qd formats.
 2002-10-01 08:55:28 +00:00
mux
b07890219d Use the %t format modifier to print differences between 
pointers.  This fixes two format warnings on 64 bits
archs which are fatal now that WFORMAT=0 has been removed.

It doesn't fully fix the sh(1) build on 64 bits platforms
though, there is still some quad_t issues that need to be
fixed.

Tested on:	i386, sparc64
 2002-10-01 08:40:07 +00:00
tjr
abffc58780 Remove WARNS=0 and WFORMAT=0. The shell compiles cleanly at WARNS=2 
on at least i386. If there are warnings on other archs, I'd rather hear
about them than pretend they didn't exist.
 2002-10-01 07:26:35 +00:00
tjr
25b2946cef Remove some kind of profiling support that required the 4.2BSD monitor() 
function in libc.
 2002-10-01 01:30:33 +00:00
tjr
a04b479aee Remove bits and pieces of support for atty, which was made obsolete by 
adding history and vi/emacs-style line editing to the shell itself.
Atty was a user-mode terminal emulator (like screen and window) that did
line editing and history.
 2002-10-01 00:54:14 +00:00
tjr
de4d764c3c Callers of error() don't need to supply a program name prefix in the 
error message. Stops ulimit giving error messages like "ulimit: ulimit: xyz".
 2002-09-30 13:29:32 +00:00
tjr
be381197cd Allow a left parenthesis before patterns in case blocks. POSIX requires 
us to accept this, but I've never seen a script that uses it.
 2002-09-30 13:25:00 +00:00
tjr
f162697f7c Allow empty case/esac statements; POSIX requires this, and recent versions 
of autoconf are generating scripts that use this feature.

PR:		43275 35879
Submitted by:	Dan Nelson <dnelson@allantgroup.com>
 2002-09-30 10:57:44 +00:00
tjr
8435c561b3 Remove dead code which supported systems without O_APPEND, O_CREAT or SIGTSTP. 2002-09-29 12:38:25 +00:00
tjr
6307190b53 Convert the remaining callers of errmsg() to use strerror(), and remove 
errmsg() and its table of error messages.
 2002-09-29 11:37:39 +00:00
nectar
927cfce43e Correct a usage of fnctl that could not be right and results in a 
no-op.  I assume it was meant that the close-on-exec flag be set here.
 2002-09-11 16:38:33 +00:00
keramida
0eae474cc2 Add <stdlib.h> to get a prototype for exit(). 
Reviewed by:	tjr
 2002-08-29 14:26:49 +00:00
charnier
c88222c6c0 Replace various spellings with FALLTHROUGH which is lint()able 2002-08-25 13:01:47 +00:00
tjr
2eb0d94f37 There is a built-in command called "builtin"; spell its name correctly 
after rev. 1.77 called it "built-in".
 2002-08-24 12:41:23 +00:00
tjr
7ffc3ae91a Don't show the process ID of background jobs that have terminated, 
for consistency with ksh.
 2002-08-24 07:19:01 +00:00
trhodes
9618da3e35 s/filesystem/file system/ as discussed on -developers 2002-08-21 17:32:44 +00:00
schweikh
842f45255d Fix a few typos, among them s/builtin/built-in/ (except for the ref 
to the builtin(1) man page.) This is for consistency with the spelling
both proposed by ispell as well as IEEE Std 1003.1-2001.

MFC after:	3 days
 2002-08-21 15:05:55 +00:00
tjr
2f2bf8ffc0 Avoid accessing the current job's process table in the child part of 
forkshell() after it has been freed. This caused mysterious behaviour
when anything but the first command in a pipeline tried to access the
terminal when the `junk' malloc() option was enabled (which is the default).
 2002-08-18 06:43:44 +00:00
tjr
aa14f489f2 Show job control ID, command text, etc. when foreground processes are 
suspended. This is a followup to rev. 1.51.

MFC after:	1 week
 2002-08-17 13:57:47 +00:00
tjr
717dc062a8 Allow redirections by themselves between "&&" and "||" operators. 
For example, >/dev/null && echo foo

Pointed out by:	FUJISHIMA Satsuki
MFC after:	1 week
 2002-08-11 03:04:23 +00:00
ru
e185ee0111 mdoc(7) police: tidying. 2002-08-09 10:59:20 +00:00
tjr
43d6a14678 Add a -P/-o physical option which behaves similarly to bash/ksh's options 
by the same name. This option makes the cd and pwd builtins behave physically
(as opposed to logically) by default.

Submitted by:	fanf
 2002-07-25 10:57:39 +00:00
tjr
ca8e9f2edf Set opterr to zero to avoid duplicate warnings from getopt(3) for unknown 
options.
 2002-07-25 10:47:38 +00:00
tjr
cb0dfaa9bd Use PATH_MAX instead of a local guess at it, which happened to be incorrect. 
Suggested by:	fanf
 2002-07-25 09:56:08 +00:00
tjr
077941cfae pwdcmd()'s argc and argv arguments are no longer unused, remove __unused. 
Pointed out by:	fanf
 2002-07-25 09:46:31 +00:00
tjr
9c6ea7014e Avoid calling el_resize() from a signal handler, even though libedit 
itself does that if you set EL_SIGNAL. Instead, set a flag and check it
before calling el_gets(). This is safer, but slower to respond to changes.

Pointed out by:	mp
 2002-07-24 02:06:07 +00:00
tjr
8be25d316f Catch SIGWINCH in interactive shells and call el_resize() to update 
libedit's idea of the window size.
 2002-07-23 15:05:00 +00:00
tjr
12e699af89 Call el_source() to read the contents of .editrc when line editing is enabled. 
Obtained from:	NetBSD
MFC after:	2 weeks
 2002-07-23 12:26:34 +00:00
tjr
f9fd5faa32 Add a `bind' builtin command, which is simply a wrapper around libedit's 
builtin command of the same name. This allows the key bindings for the
shell's line editor to be changed.

MFC after:	2 weeks
 2002-07-23 11:50:53 +00:00