From: etheisen <etheisen@openbsd.org>
Date: Mon, 12 Feb 1996 07:42:26 +0000 (+0000)
Subject: Added check for null pointer while processing cmdline options.  Pointer
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=44a0153a90e856f79761468934e9f1c4f4708cde;p=openbsd

Added check for null pointer while processing cmdline options.  Pointer
overrun was causing SEGV if any cmdline options were specified.
---

diff --git a/games/backgammon/common_source/subs.c b/games/backgammon/common_source/subs.c
index 9fb185fe5a3..ab38c956d0a 100644
--- a/games/backgammon/common_source/subs.c
+++ b/games/backgammon/common_source/subs.c
@@ -314,7 +314,7 @@ register char	***arg;
 	   if the game is being recovered */
 
 	s = *arg;
-	while (s[0][0] == '-') {
+	while ((s[0] != NULL) && (s[0][0] == '-')) {
 		switch (s[0][1])  {
 
 		/* don't ask if rules or instructions needed */