From feacdd104da0b2493c683c9b0536d957499a480a Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 30 Jun 2002 18:16:33 +0000
Subject: avoid utmp->friendtotal error

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@397 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/shmctl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/util/shmctl.c b/util/shmctl.c
index 2ce7982b..348b6024 100644
--- a/util/shmctl.c
+++ b/util/shmctl.c
@@ -1,4 +1,4 @@
-/* $Id: shmctl.c,v 1.22 2002/06/26 01:57:49 in2 Exp $ */
+/* $Id: shmctl.c,v 1.23 2002/06/30 18:16:33 in2 Exp $ */
 #include "bbs.h"
 
 extern SHM_t   *SHM;
@@ -9,6 +9,8 @@ int logout_friend_online(userinfo_t *utmp)
     int offset=(int) (utmp - &SHM->uinfo[0]);
     userinfo_t *ui;
     while(utmp->friendtotal){
+	if( !(0 <= utmp->friendtotal && utmp->friendtotal < MAX_FRIEND) )
+	    return 1;
 	i = utmp->friendtotal-1;
 	j = (utmp->friend_online[i] & 0xFFFFFF);
 	if( !(0 <= j && j < MAX_ACTIVE) )
-- 
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