Jilles Tjoelker bd9b38d1f7 sh: Don't allocate a redirtab if there are no redirections. ... Builtins (including variable assignments without command word), function calls and redirected compound commands need to restore file descriptors to their original state after execution. This is handled by allocating a redirtab structure. These mallocs and frees show up heavily in pmcstat. Only allocate a redirtab if there are actually redirections and maintain a count of how many levels of REDIR_PUSH there are without redirtabs. A simple loop without external programs like sh -c 'i=0; w=$(printf %0100d 7); while [ "$i" -lt 1000000 ]; do i=$((i+1)); done' is over 25% faster on an amd64 bhyve VM.		2016-01-30 21:21:25 +00:00
..
bltin	sh: Fix compiler warnings related to duplicate or missing declarations.	2015-03-01 21:46:55 +00:00
funcs
tests	sh: Clean a readonly local, even if the variable does not exist outside.	2016-01-22 20:10:08 +00:00
alias.c	sh: Fix some arithmetic undefined behaviour.	2015-06-24 20:51:48 +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	wordexp: Rewrite to make WRDE_NOCMD reliable.	2015-09-30 21:32:29 +00:00
cd.c	sh: Remove a global variable from cd.c.	2016-01-24 17:01:34 +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: Update associated state when restoring locals while leaving a function.	2016-01-10 16:31:28 +00:00
eval.h	sh: Make struct arglist an array instead of a linked list.	2015-10-11 21:33:00 +00:00
exec.c	sh: Reduce size of builtins table.	2016-01-03 21:30:22 +00:00
exec.h
expand.c	sh: Constify internal representation in expand.c.	2016-01-24 22:26:25 +00:00
expand.h	sh: Perform pathname generation during the first expansion phases.	2015-12-31 18:47:54 +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: Pass along SIGINT from a child if job control is enabled, even when not	2015-04-25 13:34:25 +00:00
jobs.h
mail.c	sh: Prefer "" to nullstr where possible.	2015-02-15 21:47:43 +00:00
mail.h
main.c
main.h
Makefile	Convert bin/ to LIBADD, reduce overlinking allow to build all components as	2014-11-25 11:15:40 +00:00
Makefile.depend	Add META_MODE support.	2015-06-13 19:20:56 +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: Fix read with escaped IFS characters at the end.	2015-08-30 17:24:22 +00:00
mkbuiltins	sh: Reduce size of builtins table.	2016-01-03 21:30:22 +00:00
mknodes.c	sh/mknodes: Close files and check for errors when writing.	2015-12-20 16:40:36 +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
nodes.c.pat	sh: Remove global state from nodes.c.	2015-11-24 22:47:19 +00:00
nodetypes	sh: Prefer "" to nullstr where possible.	2015-02-15 21:47:43 +00:00
options.c	sh: Simplify some code related to positional parameters.	2016-01-19 22:41:26 +00:00
options.h	sh: Simplify some code related to positional parameters.	2016-01-19 22:41:26 +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
parser.c	wordexp: Rewrite to make WRDE_NOCMD reliable.	2015-09-30 21:32:29 +00:00
parser.h	wordexp: Rewrite to make WRDE_NOCMD reliable.	2015-09-30 21:32:29 +00:00
redir.c	sh: Don't allocate a redirtab if there are no redirections.	2016-01-30 21:21:25 +00:00
redir.h
sh.1	sh(1): Document 'cd -'.	2016-01-30 20:10:20 +00:00
shell.h
show.c
show.h
TOUR
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: Clean a readonly local, even if the variable does not exist outside.	2016-01-22 20:10:08 +00:00
var.h	sh: Make struct arglist an array instead of a linked list.	2015-10-11 21:33:00 +00:00