hush: fix potential buffer overflow on NOMMU

[oweals/busybox.git] / coreutils / stat.c

diff --git a/coreutils/stat.c b/coreutils/stat.c
index 2bc9a086cdcb1e2ac001f21bddb26326904e0262..bbd2e6a7cbb81281e3e6fe0a1de74b07f7791969 100644 (file)
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -640,29 +640,29 @@ static bool do_stat(const char *filename, const char *format)
 }
 
 int stat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int stat_main(int argc, char **argv)
+int stat_main(int argc UNUSED_PARAM, char **argv)
 {
        IF_FEATURE_STAT_FORMAT(char *format = NULL;)
        int i;
-       int ok = 1;
+       int ok;
+       unsigned opts;
        statfunc_ptr statfunc = do_stat;
 
-       getopt32(argv, "ftL"
+       opt_complementary = "-1"; /* min one arg */
+       opts = getopt32(argv, "ftL"
                IF_SELINUX("Z")
                IF_FEATURE_STAT_FORMAT("c:", &format)
        );
-
-       if (option_mask32 & OPT_FILESYS) /* -f */
+       if (opts & OPT_FILESYS) /* -f */
                statfunc = do_statfs;
-       if (argc == optind)           /* files */
-               bb_show_usage();
-
 #if ENABLE_SELINUX
-       if (option_mask32 & OPT_SELINUX) {
+       if (opts & OPT_SELINUX) {
                selinux_or_die();
        }
-#endif /* ENABLE_SELINUX */
-       for (i = optind; i < argc; ++i)
+#endif
+       ok = 1;
+       argv += optind;
+       for (i = 0; argv[i]; ++i)
                ok &= statfunc(argv[i] IF_FEATURE_STAT_FORMAT(, format));
 
        return (ok ? EXIT_SUCCESS : EXIT_FAILURE);