Handle { NULL } argv[] properly in manual arg-reduction

Thanks izabera for reporting this!
2017-08-05 23:50:39 +02:00
parent ea8622a4ce
commit e92a1aef54
22 changed files with 24 additions and 23 deletions
--- a/hostname.c
+++ b/hostname.c
@@ -16,7 +16,7 @@ main(int argc, char *argv[])
 {
 	char host[HOST_NAME_MAX + 1];

-	argv0 = argv[0], argc--, argv++;
+	argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;

 	if (!argc) {
 		if (gethostname(host, sizeof(host)) < 0)