sbase

commit fbd128b56490046de31a2be0349931912a9ba71b
parent bc9205cab514f718cfc2451db796ea0cfd96f9b8
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Tue, 19 May 2015 23:43:58 +0200

fold: check -N form properly

Diffstat:
M
fold.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git 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();