JehanneOS/mksh
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ulimit: precompute option string for getopt and usage; noticed by bsiegert@

Browse Source
This commit is contained in:
tg
2012-08-03 18:30:13 +00:00
parent 1d21782419
commit 0decdb2100
1 changed files with 75 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
funcs.c
View File

@ -38,7 +38,7 @@
#endif #endif
#endif #endif
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.222 2012/06/25 16:34:58 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.223 2012/08/03 18:30:13 tg Exp $");
#if HAVE_KILLPG #if HAVE_KILLPG
/* /*
@ -3414,21 +3414,83 @@ c_ulimit(const char **wp)
#endif #endif
{ NULL, 0, 0, 0 } { NULL, 0, 0, 0 }
}; };
static char opts[3 + NELEM(limits)]; static const char opts[] = "a"
#ifdef RLIMIT_SBSIZE
"B"
#endif
#ifdef RLIMIT_TCACHE
"C"
#endif
#ifdef RLIMIT_CORE
"c"
#endif
#ifdef RLIMIT_DATA
"d"
#endif
#ifdef RLIMIT_NICE
"e"
#endif
#ifdef RLIMIT_FSIZE
"f"
#endif
"H"
#ifdef RLIMIT_SIGPENDING
"i"
#endif
#ifdef RLIMIT_LOCKS
"L"
#endif
#ifdef RLIMIT_MEMLOCK
"l"
#endif
#ifdef RLIMIT_AIO_MEM
"M"
#endif
#if defined(ULIMIT_M_IS_RSS) || defined(ULIMIT_M_IS_VMEM)
"m"
#endif
#ifdef RLIMIT_NOFILE
"n"
#endif
#ifdef RLIMIT_AIO_OPS
"O"
#endif
#ifdef RLIMIT_PTHREAD
"P"
#endif
#ifdef RLIMIT_NPROC
"p"
#endif
#ifdef RLIMIT_MSGQUEUE
"q"
#endif
#ifdef RLIMIT_RTPRIO
"r"
#endif
"S"
#ifdef RLIMIT_STACK
"s"
#endif
#ifdef RLIMIT_TIME
"T"
#endif
#ifdef RLIMIT_CPU
"t"
#endif
#ifdef RLIMIT_NOVMON
"V"
#endif
#if defined(ULIMIT_V_IS_VMEM) || defined(ULIMIT_V_IS_AS)
"v"
#endif
#ifdef RLIMIT_SWAP
"w"
#endif
;
int how = SOFT | HARD, optc, what = 'f'; int how = SOFT | HARD, optc, what = 'f';
bool all = false; bool all = false;
const struct limits *l; const struct limits *l;
if (!opts[0]) {
/* build options string on first call - yuck */
char *p = opts;
*p++ = 'H'; *p++ = 'S'; *p++ = 'a';
for (l = limits; l->name; l++)
*p++ = l->option;
*p = '\0';
}
while ((optc = ksh_getopt(wp, &builtin_opt, opts)) != -1) while ((optc = ksh_getopt(wp, &builtin_opt, opts)) != -1)
switch (optc) { switch (optc) {
case 'H': case 'H':
@ -3441,8 +3503,7 @@ c_ulimit(const char **wp)
all = true; all = true;
break; break;
case '?': case '?':
bi_errorf("%s: %s", "usage", bi_errorf("usage: ulimit [-%s] [value]", opts);
"ulimit [-acdfHLlmnpSsTtvw] [value]");
return (1); return (1);
default: default:
what = optc; what = optc;