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Bail with usage() early if argc <= 0.

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This commit is contained in:
Todd C. Miller
2015-02-06 09:17:39 -07:00
parent c299cdd665
commit 0008747bef
1 changed files with 6 additions and 4 deletions
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10
src/parse_args.c
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@@ -180,6 +180,10 @@ parse_args(int argc, char **argv, int *nargc, char ***nargv,
int env_size = 32; int env_size = 32;
debug_decl(parse_args, SUDO_DEBUG_ARGS) debug_decl(parse_args, SUDO_DEBUG_ARGS)
/* Is someone trying something funny? */
if (argc <= 0)
usage(1);
env_add = sudo_emallocarray(env_size, sizeof(char *)); env_add = sudo_emallocarray(env_size, sizeof(char *));
/* Pass progname to plugin so it can call initprogname() */ /* Pass progname to plugin so it can call initprogname() */
@@ -379,10 +383,8 @@ parse_args(int argc, char **argv, int *nargc, char ***nargv,
} }
env_add[nenv] = NULL; env_add[nenv] = NULL;
if (argc > 0) { argc -= optind;
argc -= optind; argv += optind;
argv += optind;
}
if (!mode) { if (!mode) {
/* Defer -k mode setting until we know whether it is a flag or not */ /* Defer -k mode setting until we know whether it is a flag or not */