From 744278308f5c23b65b081011b37740e316d78109 Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Thu, 10 Apr 2003 10:26:08 +0000
Subject: handle bad input to avoid SIGSEGV

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@786 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/bbsmail.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/util/bbsmail.c b/util/bbsmail.c
index 0663a5c8..8e326ad7 100644
--- a/util/bbsmail.c
+++ b/util/bbsmail.c
@@ -1,4 +1,4 @@
-/* $Id: bbsmail.c,v 1.6 2002/11/02 11:15:27 in2 Exp $ */
+/* $Id: bbsmail.c,v 1.7 2003/04/10 10:26:08 in2 Exp $ */
 
 #define _UTIL_C_
 #include "bbs.h"
@@ -133,7 +133,11 @@ mail2bbs(userid)
 		if (ip[-1] == ' ')
 		    ip[-1] = '\0';
 		ptr = (char *) strchr(genbuf, ' ');
-		while (*ptr == ' ') ptr++;
+		if( ptr )
+		    while (*ptr == ' ')
+			ptr++;
+		else
+		    ptr = "unknown";
 		sprintf(sender, "%s (%s)", ip + 1, ptr);
 	    }
 	    else
-- 
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