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/test.c
+++ b/test.c
@@ -234,9 +234,9 @@ main(int argc, char *argv[])
 	int (*narg[])(char *[]) = { noarg, onearg, twoarg, threearg, fourarg };
 	size_t len;

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

-	len = strlen(argv0);
+	len = argv0 ? strlen(argv0) : 0;
 	if (len && argv0[--len] == '[' && (!len || argv0[--len] == '/') && strcmp(argv[--argc], "]"))
 		enprintf(2, "no matching ]\n");