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347 Commits

Author SHA1 Message Date
christos 8e2797bc1e PR/11283: Hubert Feyrer: random memory corruption executing commands: 
Fix from FreeBSD:

    growstackblock() sometimes relocates a stack_block considered empty
    without properly relocating stack marks referencing that block.
    The first call to popstackmark() with the unrelocated stack mark
    as argument then causes sh to abort.

    Relocating the relevant stack marks seems to solve this problem.

    The patch changes the semantics of popstackmark() somewhat.  It can
    only be called once after a call to setstackmark(), thus cmdloop() in
    main.c needs an extra call to setstackmark().
 2000-11-01 19:56:01 +00:00
christos 9cc4e15f46 handle type command on names that contain slashes, and print a : in the not 
found case. From FreeBSD.
 2000-11-01 19:21:41 +00:00
mycroft 8f48358936 Wrap malloc() calls with an INTOFF/INTON pair. Fixes PR 8414. 2000-10-21 04:37:17 +00:00
phil 34ad57a779 .Bl takes parameter "-offset indent", not "-indent". 2000-09-21 21:04:56 +00:00
kleink 2caf6aacdd For commands and utilities, use EXIT STATUS rather than RETURN VALUES as 
appropriate (and documented in mdoc(7)).
 2000-09-04 07:30:07 +00:00
hubertf 1cb54f68ac Add 'RETURN VALUE' section header. 2000-08-28 02:11:04 +00:00
cgd 2a1ee59131 un-__P functions declared in parser.h. host programs include parser.h, 
and so it shouldn't use __P.  (this should probably be done better, by
not declaring the parser functions in headers used by host programs,
but this works well enough.)
 2000-07-27 04:09:27 +00:00
cgd 96df053cba host program portability: set infp to stdin at runtime, since apparently 
some systems (e.g. linux) define stdin in such a way that it can't
be used to initialize values at compile time.
 2000-07-27 04:06:49 +00:00
cgd 28728fd305 host program portability: don't use <sys/cdefs.h>, __COPYRIGHT(), 
__RCSID(), or __P().  (these programs have been de-__P()'d.)
Repeat after me: "Not all cross-compilation host systems are NetBSD."
 2000-07-18 19:13:20 +00:00
jhawk 9d53f2aee6 Various mandoc updates to the Builtins 
section; mostly .Ic, a few other nits.
 2000-07-18 01:55:48 +00:00
jhawk 45a8e6b7e3 Note the meaning of 'trap 0' (execute on exit from shell) 2000-07-17 21:18:47 +00:00
matt e2056eada9 include <stdlib.h>, <string.h>, or whatever as appropriate to shut up 
gcc 2.96
 2000-07-03 03:26:17 +00:00
elric e6bccfe4be Back out previous vfork changes. 2000-05-22 10:18:46 +00:00
elric f5dccf4728 When vforking ensure that the environment passed to exec is built before 
vforking as a set of local variables which can be popped by the parent.

Addresses bin/10124.
 2000-05-17 07:37:12 +00:00
elric e8b0f2b813 INTON and FORCEINTON modify global variables, and so should not be 
executed while we are vforked.
 2000-05-15 03:42:48 +00:00
elric c55fa30be8 Added includes for waitpid, sys/types.h and sys/wait.h. 2000-05-13 21:11:45 +00:00
elric a0ef2ea948 In order to use __NetBSD_Version__, I needed to include sys/param.h. 2000-05-13 21:11:16 +00:00
elric 0eece24a3a Unused variable pgrp on line 576. 2000-05-13 20:59:41 +00:00
elric 4aeaa113a7 Quick fix. 
jobs.h:91: warning: declaration of `vfork' shadows global declaration
 2000-05-13 20:56:08 +00:00
elric 756a2ca1bd Now we use vfork(2) instead of fork(2) when we can. 2000-05-13 20:50:14 +00:00
simonb d2f6a4723d Include <errno.h> instead of using "extern int errno;". 2000-04-14 05:54:20 +00:00
simonb 51ee9dc68d Don't declare 'extern opt*' getopt variables. 2000-04-14 05:52:56 +00:00
christos b252543484 PR/9847: Geoff C. Wing: Make test(1) a builtin. 2000-04-09 23:27:03 +00:00
soren 1594850f00 Fix doubled 'the' in comment. 2000-03-13 22:46:59 +00:00
christos 9fcfbaea4d Fix problem where commands that caused exitstatus != 0 inside loops did 
not cause the shell to exit when -e was set.
 2000-02-09 20:26:53 +00:00
christos d6ac7627ea Fix bin/9184, bin/9194, bin/9265, bin/9266 
Exitcode and negation problems (From Martin Husemann)
 2000-01-27 23:39:38 +00:00
hubertf a8bbeb8a4b Add under which conditions the "read" builtin returns success/failure. 
Suggested in PR 8813 by Eric Mumpower <nocturne@arepa.com>
 1999-11-16 22:03:25 +00:00
mrg 1b23e7d142 back out previous; it causes /etc/rc to break on my alpha and other lossage as reported in PR#8614 1999-10-13 00:59:10 +00:00
pk ef45922abf Backtrack `exitstatus' to make the shell really ignore the status 
of `tested commands' as in this example:

	set -e
	true; false && echo "not reached"
 1999-10-10 21:22:24 +00:00
pk 8c06f48e15 Sprinkle some `const's in DEBUG bracketed code. 1999-10-08 21:10:44 +00:00
bouyer d406538de6 xref sysctl(8) (for proc.<pid>.rlimits) 1999-09-28 14:54:41 +00:00
mjl 4c5c12b3f0 Mention -c option to sh(1), noticed by Matthew Aldous in PR/8499. 1999-09-27 19:34:25 +00:00
mycroft 2806df576c It turns out that the code disabled in revision 1.30 *does* have an important 
function (which nobody was able to explain): it's critical to allowing a
complex command run from an interactive shell to be terminated.  So, reinstate
it and fix it correctly.  See the comment if you really want the gory details.
 1999-08-31 08:58:47 +00:00
christos 3d42469030 compile with WARNS = 2 1999-07-09 03:05:49 +00:00
christos f914977fae add -q in the synopsis line 1999-07-06 14:01:01 +00:00
christos 02048e84df PR/7814: Matthias Scheler: shell does not fork for builtins in backquotes, 
leading to unexpected behaviour. Disable the no-fork optimization for now.
We need to revisit this and keep enough state around to recover from such
changes.
 1999-06-26 16:31:47 +00:00
he e97b0193be Fix for bin/7502, from Tor Egge / FreeBSD. Their commit message: 
> During variable expansion, the internal representation of the expression
> might be relocated.  Handle this case.
 1999-04-30 17:54:17 +00:00
he 4e69294c60 Correct a rather obvious typo (once Tor Egge pointed it out to me) 
in the last change.
 1999-04-06 21:05:27 +00:00
mycroft 2e23138ad7 If we exit due to a SIGINT, do it with raise() so that the wait status is 
correct in the parent.
 1999-04-05 15:00:28 +00:00
mycroft c06643b836 Disable bogus-looking code that cause us to throw away SIGINTs. 1999-04-05 14:59:35 +00:00
christos 832949b912 When we execute commands from a shell script, make sure that the signals 
are being caught (reported by Alexis Rosen), similar to the -c case.

#!/bin/sh
vi "$@"

^C when the script is running...
 1999-03-27 13:46:19 +00:00
christos 28607542af PR/7231: Havard Eidnes: Shell quoting/trimming problem 1999-03-26 15:49:34 +00:00
ross 4b1d9297dc Make the `...' actually appear in the case/esac syntax section. 
Fix a space botch in the $@ example.
Kill warnings caused by the effective but wrong use of \[ and \] to
perform the function of \&[ and \&].
 1999-03-23 02:29:29 +00:00
garbled f124765044 More and more .Os cleanups. .Os is defined in the tmac.doc-common file, 
so we shouldn't override it with versions in the manpages.  Many more to
come.
 1999-03-22 18:25:43 +00:00
castor dc67d78474 Add '#include <sys/types.h>' since that's where int8_t and u_int8_t can 
usually be found.
 1999-03-08 17:55:20 +00:00
wrstuden 6790f70d78 Make cross-building from i386 to powerpc (from signed to unsigned char) 
ports work right.
 1999-02-23 01:50:26 +00:00
christos 96a46ed7b1 Fix off-by-one error in the starting point to search for an arithmetic 
expression.
 1999-02-06 17:23:09 +00:00
tron 96dc868859 Remove "arith.h" while cleaning. 1999-02-05 22:19:47 +00:00
christos 1666f88d5d Fix the -c problem differently. We cannot just ignore SIGINT etc, otherwise 
we cannot interrupt sh -c <command>
 1999-02-05 21:21:27 +00:00
christos b4c9a78425 PR/5577: Craig M. Chase: sh does not build with PARALLEL set. 
- Added YHEADER in Makefile, removed arith.h and adjusted the sources.
 1999-02-05 07:52:51 +00:00