diff options
| -rw-r--r-- | libbb/appletlib.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/libbb/appletlib.c b/libbb/appletlib.c index da13bf36c..67df44690 100644 --- a/libbb/appletlib.c +++ b/libbb/appletlib.c @@ -140,10 +140,9 @@ void FAST_FUNC bb_show_usage(void) } #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 *v) +static int applet_name_compare(const void *name, const void *idx) { - int i = (const char *)v - applet_names; + int i = (int)(ptrdiff_t)idx - 1; return strcmp(name, APPLET_NAME(i)); } #endif @@ -152,10 +151,12 @@ int FAST_FUNC find_applet_by_name(const char *name) #if NUM_APPLETS > 8 /* Do a binary search to find the applet entry given the name. */ const char *p; - p = bsearch(name, applet_names, ARRAY_SIZE(applet_main), 1, applet_name_compare); - if (!p) - return -1; - return p - applet_names; + p = bsearch(name, (void*)(ptrdiff_t)1, ARRAY_SIZE(applet_main), 1, applet_name_compare); + /* + * if (!p) return -1; + * ^^^^^^^^^^^^^^^^^^ the code below will do this if p == NULL :) + */ + return (int)(ptrdiff_t)p - 1; #else /* A version which does not pull in bsearch */ int i = 0; @@ -747,8 +748,11 @@ void FAST_FUNC run_applet_no_and_exit(int applet_no, char **argv) /* Special case. POSIX says "test --help" * should be no different from e.g. "test --foo". */ //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(); + } } if (ENABLE_FEATURE_SUID) check_suid(applet_no); |