fallocate: check for number of arguments

Signed-off-by: Karel Zak <kzak@redhat.com>
2010-05-14 13:04:50 +02:00 · 2010-05-14 13:04:50 +02:00 · fd1ee3b92e
parent f0bef3ca0f
commit fd1ee3b92e
1 changed files with 5 additions and 0 deletions
--- a/sys-utils/fallocate.c
+++ b/sys-utils/fallocate.c
@ -122,6 +122,11 @@ int main(int argc, char **argv)

 	fname = argv[optind++];

+	if (optind != argc) {
+		warnx(_("unexpected number of arguments"));
+		usage(stderr);
+	}
+
 	fd = open(fname, O_WRONLY|O_CREAT, 0644);
 	if (fd < 0)
 		err(EXIT_FAILURE, _("%s: open failed"), fname);