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300 Commits

Author SHA1 Message Date
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
tjr
e73489bbe4 Don't allow "||" or "&&" to be the first tokens of a command. 
PR:		40386
MFC after:	2 weeks
 2002-07-22 05:50:12 +00:00
tjr
bd9024b4d7 Implement the P1003.2 `command' builtin command, which is used to suppress 
shell function and alias lookup. The -p option has been implemented, the
UPE -v and -V options have not. The old `command' command has been renamed
to `builtin'.
 2002-07-21 06:49:14 +00:00
tjr
28039a3e13 Document that only one of the -n and -e options may be specified for 
sh(1)'s echo(1) builtin command.

PR:		32935, 40747
MFC after:	1 week
 2002-07-20 04:39:23 +00:00
tjr
6f7073eccf Remove broken and incomplete support for old releases of System V, 
don't support system that implement getcwd(3) with a pipe to /bin/pwd.
 2002-07-19 08:09:04 +00:00
tjr
74e419398d Don't assume file descriptors fit in a short, use an int instead. 2002-07-18 12:24:35 +00:00
tjr
9e3506ab60 Avoid using ints or shorts to store process id's, use pid_t instead. 
The pgrp member of struct job was declared as a short and could not store
every possible process group ID value, the rest of them were benign because
pid_t happens to be an int.
 2002-07-18 10:22:42 +00:00
tjr
60af0dcffa Make the message that is printed when the foreground process is terminated 
by a signal the same as pdksh/bash/sh before rev. 1.34.
 2002-07-18 09:37:51 +00:00
tjr
b8a53fb638 Don't assume the shell's controlling terminal is attached to file descriptor 
2. Instead, open /dev/tty. This problem stopped commands in subshells from
being executed correctly if standard error was redirected.

PR:		36671
Obtained from:	NetBSD (but simplified)
 2002-07-11 06:42:11 +00:00
tjr
b6bd829347 Remove support for the "old" tty driver by unifdef -UOLD_TTY_DRIVER; 
many other parts of the shell are no longer compatible with this, and it
makes jobs.c quite cluttered with #ifdef's.
 2002-07-11 06:26:48 +00:00
tjr
0087ce2988 When growing the job table, don't relocate the jobmru pointer if it's NULL. 2002-07-11 04:22:41 +00:00
tjr
df20e19b27 Close file descriptors when [n]>&- and [n]<&- redirections are used. 
This was broken by rev. 1.16.

PR:		40334
MFC after:	1 week
 2002-07-09 08:55:46 +00:00
tjr
284f7b1851 Print out commands with NTOFD/NFROMFD redirections that close the 
descriptors (">&-" or similar) correctly in the jobs(1) command.
 2002-07-09 03:26:47 +00:00
dillon
7340de44e8 Fix type-o in last commit in preparation for MFC. 2002-07-02 19:06:33 +00:00
obrien
f6f518b207 Consistently use FBSDID 2002-06-30 05:15:05 +00:00
sheldonh
8e1ca9d76c Document addition of RLIMIT_VMEM support, added in rev 1.26 of miscbltin.c. 2002-06-27 16:56:45 +00:00
dillon
8e4f3ae5f1 Add support for RLIMIT_VMEM. The #ifdef's were already there but getopt() 
needed to be adjusted.
 2002-06-26 00:29:53 +00:00
jmallett
0c56b95c32 Remove two unused variables. 2002-06-20 05:21:43 +00:00
jmallett
2b674f32f6 Minor const cleanup. 
Don't discard qualifiers we don't need to discard.
 2002-06-20 05:20:50 +00:00
tjr
6b197bb764 Bring documentation on CDPATH and its effects on cd(1) back into sync with 
reality (and POSIX): current directory isn't searched unless CDPATH has
a "." element or is unset.

PR:		38442
Submitted by:	oleg dashevskii <be9@be9.ru>
MFC after:	1 week
 2002-06-19 12:04:22 +00:00
tjr
08e98db385 Don't list shell builtins when the hash command is used (SUSv3) 2002-06-13 07:50:50 +00:00
tjr
8b3a40cd3f Document the -f and -v options of the unset builtin. 2002-06-06 04:12:50 +00:00
tjr
70c6f806e0 Quote the output of the no-argument form of the `set' builtin for re-input 
to the shell.
 2002-06-06 04:02:50 +00:00
tjr
c74ee6d523 Add the SUSv3 -p ("portable") option to both the export and readonly 
builtins. This makes export/readonly print lines in the form
"export name=value".
 2002-06-06 03:57:22 +00:00
tjr
d658a1e5c7 Don't modify output that is to be quoted if it contains no IFS characters 
or shell metacharacters.
 2002-06-06 03:29:23 +00:00
tjr
71a01dad7b Display job status correctly when a pipeline is suspended. 2002-06-04 15:26:00 +00:00
tjr
da1177ce1d Describe finished jobs as "Done", not "Exit" (SUSv3) 2002-06-04 14:40:33 +00:00
tjr
ec349498c5 Don't output state' and current' fields for processes that aren't 
leaders in -l option to jobs(1).
 2002-06-04 14:37:13 +00:00
tjr
ba4116c514 Missing prototypes from previous commit. 2002-06-04 13:13:54 +00:00
tjr
de63da4c55 Correct minor spacing problem in output of jobs -l for pipelines. 2002-06-04 13:01:51 +00:00
tjr
33d27dd210 Quote alias values in the output of the alias(1) builtin so they are 
suitable for re-input to the shell (SUSv3)
 2002-06-04 12:59:12 +00:00
tjr
0930ee47eb Fix typo causing ``fc -e'' to not work correctly. getopt() sets optarg, 
not shoptarg.
 2002-06-02 08:34:09 +00:00
tjr
0a9f255d03 Adding an entry to the history with H_ENTER moves libedit's internal 
history cursor. Reset the cursor after adding the entry to the history
when doing ``fc -s'' so the output is correct.
 2002-06-02 08:27:04 +00:00
tjr
d3a1f7d912 Implement $PPID, the parent process ID of the shell. 2002-06-01 02:14:48 +00:00
tjr
fff7a36566 Support the remaining job ID formats required by SUSv3: 
%+ (current job, same as %%),
%- (previous job),
%?str (job with "str" in its command name).
 2002-06-01 01:51:42 +00:00
tjr
1f8bb8d729 Add -s (output PID's only) and -l (show PID's) options to the jobs(1) 
builtin. Modify the output format to match what SUSv3 requires.
 2002-05-31 14:04:23 +00:00
tjr
c828fbddc6 #if JOBS around a job control-related statement to allow compilation with 
job control disabled.
 2002-05-31 13:10:38 +00:00
tjr
5250eaebac Break the code to display status info for one job out from showjobs() into 
showjob(), use it inside dowait() to display status info for consistency,
and in a format closer to what the standard requires.
 2002-05-31 13:07:05 +00:00
tjr
952d847c40 Move job to front of most recently used job list when bg'd or fg'd. 2002-05-31 12:35:34 +00:00
tjr
7e9561b97a Instead of keeping just the jobid of the most recently bg'd or fg'd job, 
keep a linked list of the jobs, most recently used first. This is required
to support the idea of `previous job', and to allow the jobs fg and bg
default to be correct according to POSIX.
 2002-05-31 12:31:23 +00:00
ru
76631b8618 mdoc(7) police: tidy up the markup a bit. 2002-05-29 15:38:59 +00:00