fold: check -N form properly

2015-05-19 23:43:58 +02:00 · 2015-05-19 23:43:58 +02:00 · fbd128b564
parent bc9205cab5
commit fbd128b564
1 changed files with 2 additions and 1 deletions
--- a/fold.c
+++ b/fold.c
@ -85,7 +85,8 @@ main(int argc, char *argv[])
 		width = estrtonum(EARGF(usage()), 1, MIN(LLONG_MAX, SIZE_MAX));
 		break;
 	ARGNUM:
-		width = estrtonum(argv[0], 1, MIN(LLONG_MAX, SIZE_MAX));
+		if (!(width = ARGNUMF()))
+			eprintf("illegal width value, too small\n");
 		break;
 	default:
 		usage();