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freebsd-dev/bin/sh
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Bryan Drewery a59f817491 sh: Fix the trap builtin to be POSIX-compliant for 'trap exit SIG' and 'trap n n...'. 
The parser considered 'trap exit INT' to reset the default for both EXIT and
INT. This beahvior is not POSIX compliant. This was avoided if a value was
specified for 'exit', but then disallows exiting with the signal received. A
possible workaround is using ' exit'.

However POSIX does allow this type of behavior if the parameters are all
integers. Fix the handling for this and clarify its support in the manpage
since it is specifically allowed by POSIX.

Differential Revision:	https://reviews.freebsd.org/D2325
Reviewed by:	jilles
MFC after:	2 weeks
2015-04-18 23:49:57 +00:00
..
bltin sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
funcs
tests sh: Fix the trap builtin to be POSIX-compliant for 'trap exit SIG' and 'trap n n...'. 2015-04-18 23:49:57 +00:00
alias.c sh: Fix possible memory leaks and double frees with unexpected SIGINT. 2014-03-26 20:43:40 +00:00
alias.h
arith_yacc.c sh: Remove two redundant (uintmax_t) casts. 2014-08-20 20:15:43 +00:00
arith_yacc.h sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
arith_yylex.c sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
arith.h
builtins.def
cd.c sh: Prefer "" to nullstr where possible. 2015-02-15 21:47:43 +00:00
cd.h
error.c sh: Fix more compiler warnings related to variable declarations. 2015-03-03 21:21:43 +00:00
error.h sh: Move some code from onint() to onsig(), making onint() noreturn. 2014-12-21 23:09:59 +00:00
eval.c sh: Fix more compiler warnings. 2015-03-01 22:32:23 +00:00
eval.h sh: Fix more compiler warnings. 2015-03-01 22:32:23 +00:00
exec.c sh: Remove prefix() function. Use strncmp() instead. 2014-07-20 12:06:52 +00:00
exec.h
expand.c Fix unitialized variable that broke sh on PowerPC starting with r278826. 2015-02-26 20:59:18 +00:00
expand.h sh: Remove EXP_REDIR. 2014-12-21 22:18:30 +00:00
histedit.c sh: Fix more compiler warnings. 2015-03-01 22:32:23 +00:00
input.c sh: Remove arbitrary length limit on << EOF markers. 2014-09-14 16:46:30 +00:00
input.h sh: Remove arbitrary length limit on << EOF markers. 2014-09-14 16:46:30 +00:00
jobs.c sh: Fix more compiler warnings. 2015-03-01 22:32:23 +00:00
jobs.h sh: Fix race condition with signals and wait or set -T. 2013-09-02 21:57:46 +00:00
mail.c sh: Prefer "" to nullstr where possible. 2015-02-15 21:47:43 +00:00
mail.h
main.c sh: Add more necessary INTOFF/INTON. 2014-05-09 13:27:30 +00:00
main.h
Makefile Convert bin/ to LIBADD, reduce overlinking allow to build all components as 2014-11-25 11:15:40 +00:00
memalloc.c sh: Add stsavestr(), like savestr() but allocates using stalloc(). 2015-02-15 21:41:29 +00:00
memalloc.h sh: Add stsavestr(), like savestr() but allocates using stalloc(). 2015-02-15 21:41:29 +00:00
miscbltin.c sh: Prefer "" to nullstr where possible. 2015-02-15 21:47:43 +00:00
mkbuiltins
mknodes.c sh: Fix more compiler warnings related to variable declarations. 2015-03-03 21:21:43 +00:00
mksyntax.c sh: Fix more compiler warnings related to variable declarations. 2015-03-03 21:21:43 +00:00
mktokens sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
myhistedit.h
mystring.c sh: Reject integer overflow in number and is_number. 2014-08-17 16:40:29 +00:00
mystring.h sh: Remove prefix() function. Use strncmp() instead. 2014-07-20 12:06:52 +00:00
nodes.c.pat sh: Add const to nodesavestr(). 2013-04-07 16:28:36 +00:00
nodetypes sh: Prefer "" to nullstr where possible. 2015-02-15 21:47:43 +00:00
options.c sh: Fix more compiler warnings. 2015-03-01 22:32:23 +00:00
options.h sh: Fix compiler warnings related to duplicate or missing declarations. 2015-03-01 21:46:55 +00:00
output.c sh: Make sure output suitable as shell input is also printable. 2014-12-14 16:26:19 +00:00
output.h sh: Detect and flag write errors on stdout in builtins. 2012-12-12 22:01:10 +00:00
parser.c sh: Prefer "" to nullstr where possible. 2015-02-15 21:47:43 +00:00
parser.h sh: Allow aliases to force alias substitution on the following word. 2014-01-26 21:19:33 +00:00
redir.c sh: Eliminate some gotos. 2014-10-05 21:51:36 +00:00
redir.h sh: Remove unnecessary reset functions. 2013-08-16 20:24:41 +00:00
sh.1 sh: Fix the trap builtin to be POSIX-compliant for 'trap exit SIG' and 'trap n n...'. 2015-04-18 23:49:57 +00:00
shell.h sh: Remove #define MKINIT. 2013-07-25 19:48:15 +00:00
show.c sh: Prefer memcpy() to strcpy() in most cases. Remove the scopy macro. 2013-11-30 21:27:11 +00:00
show.h
TOUR sh: Remove mkinit. 2013-07-25 15:08:41 +00:00
trap.c sh: Fix the trap builtin to be POSIX-compliant for 'trap exit SIG' and 'trap n n...'. 2015-04-18 23:49:57 +00:00
trap.h sh: Move some code from onint() to onsig(), making onint() noreturn. 2014-12-21 23:09:59 +00:00
var.c sh: Fix more compiler warnings related to variable declarations. 2015-03-03 21:21:43 +00:00
var.h sh: Fix more compiler warnings related to variable declarations. 2015-03-03 21:21:43 +00:00