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function                                             old     new   delta
applet_name_compare                                   36      31      -5
find_applet_by_name                                   43      25     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-01-17 11:02:21 +01:00
parent 5ca853e5da
commit 5d78355d5a
1 changed files with 12 additions and 8 deletions
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20
libbb/appletlib.c
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@ -140,10 +140,9 @@ void FAST_FUNC bb_show_usage(void)
} }
#if NUM_APPLETS > 8 #if NUM_APPLETS > 8
/* NB: any char pointer will work as well, not necessarily applet_names */ static int applet_name_compare(const void *name, const void *idx)
static int applet_name_compare(const void *name, const void *v)
{ {
int i = (const char *)v - applet_names; int i = (int)(ptrdiff_t)idx - 1;
return strcmp(name, APPLET_NAME(i)); return strcmp(name, APPLET_NAME(i));
} }
#endif #endif
@ -152,10 +151,12 @@ int FAST_FUNC find_applet_by_name(const char *name)
#if NUM_APPLETS > 8 #if NUM_APPLETS > 8
/* Do a binary search to find the applet entry given the name. */ /* Do a binary search to find the applet entry given the name. */
const char *p; const char *p;
p = bsearch(name, applet_names, ARRAY_SIZE(applet_main), 1, applet_name_compare); p = bsearch(name, (void*)(ptrdiff_t)1, ARRAY_SIZE(applet_main), 1, applet_name_compare);
if (!p) /*
return -1; * if (!p) return -1;
return p - applet_names; * ^^^^^^^^^^^^^^^^^^ the code below will do this if p == NULL :)
*/
return (int)(ptrdiff_t)p - 1;
#else #else
/* A version which does not pull in bsearch */ /* A version which does not pull in bsearch */
int i = 0; int i = 0;
@ -747,9 +748,12 @@ void FAST_FUNC run_applet_no_and_exit(int applet_no, char **argv)
/* Special case. POSIX says "test --help" /* Special case. POSIX says "test --help"
* should be no different from e.g. "test --foo". */ * should be no different from e.g. "test --foo". */
//TODO: just compare applet_no with APPLET_NO_test //TODO: just compare applet_no with APPLET_NO_test
if (!ENABLE_TEST || strcmp(applet_name, "test") != 0) if (!ENABLE_TEST || strcmp(applet_name, "test") != 0) {
/* If you want "foo --help" to return 0: */
/*xfunc_error_retval = 0;*/
bb_show_usage(); bb_show_usage();
} }
}
if (ENABLE_FEATURE_SUID) if (ENABLE_FEATURE_SUID)
check_suid(applet_no); check_suid(applet_no);
exit(applet_main[applet_no](argc, argv)); exit(applet_main[applet_no](argc, argv));