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/printenv.c
+++ b/printenv.c
@@ -12,7 +12,7 @@ main(int argc, char *argv[])
 	char *var;
 	int ret = 0;

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

 	if (!argc) {
 		for (; *environ; environ++)