From: Jacob Adams <tookmund@gmail.com>
Date: Wed, 18 Mar 2015 00:30:29 +0000 (-0400)
Subject: Check argc is greater than 1 before using on argv
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=refs%2Fchanges%2F59%2F2959%2F1;p=minix.git

Check argc is greater than 1 before using on argv

closes #19

Change-Id: I50ee3fa82bce274e710434628b6c178467fd3887
---

diff --git a/minix/commands/recwave/recwave.c b/minix/commands/recwave/recwave.c
index 681b5c052..09fa87ba6 100644
--- a/minix/commands/recwave/recwave.c
+++ b/minix/commands/recwave/recwave.c
@@ -136,7 +136,7 @@ char **argv;
   if (argc < 2) usage();
 
   i = 1;
-  while (argv[i][0] == '-' && i < argc)
+  while ((i < argc) && (argv[i][0] == '-'))
   {
     if (strncmp(argv[i], "-b", 2) == 0)
       bits = atoi(argv[i] + 2);