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authorin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-05-22 23:18:09 +0800
committerin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-05-22 23:18:09 +0800
commit774e9e5046fecf6403172494dc59ee535327a757 (patch)
treee093a3fbe32088a4e4a38f4cc47de3909960a062 /mbbsd
parentbe7f3e7ec528ecafd5da15cadf959e69bd239f2b (diff)
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avoid infinite loop
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@186 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd')
-rw-r--r--mbbsd/talk.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mbbsd/talk.c b/mbbsd/talk.c
index 6f63350c..31b72ff7 100644
--- a/mbbsd/talk.c
+++ b/mbbsd/talk.c
@@ -1,4 +1,4 @@
-/* $Id: talk.c,v 1.36 2002/05/16 21:54:56 in2 Exp $ */
+/* $Id: talk.c,v 1.37 2002/05/22 15:18:09 in2 Exp $ */
#include <stdio.h>
#include <string.h>
#include <errno.h>
@@ -259,13 +259,13 @@ int logout_friend_online(userinfo_t *utmp)
int i, j, k;
int offset=(int) (utmp - &utmpshm->uinfo[0]);
userinfo_t *ui;
- while(utmp->friendtotal){
+ while( utmp->friendtotal > 0 ){
i = utmp->friendtotal-1;
j = (utmp->friend_online[i] & 0xFFFFFF);
utmp->friend_online[i]=0;
ui = &utmpshm->uinfo[j];
if(ui->pid && ui!=utmp){
- for(k=0; k<ui->friendtotal && k < MAX_FRIEND &&
+ for(k=0; k<ui->friendtotal > 0 && k < MAX_FRIEND &&
(int)(ui->friend_online[k] & 0xFFFFFF) !=offset; k++);
if(k<ui->friendtotal){
ui->friendtotal--;
@@ -289,7 +289,7 @@ int friend_stat(userinfo_t *me, userinfo_t * ui)
}
for(i=0;me->friend_online[i] && i < MAX_FRIEND;i++){
j = (me->friend_online[i] & 0xFFFFFF);
- if(ui == &utmpshm->uinfo[j]){
+ if( 0 <= j && j < MAX_ACTIVE && ui == &utmpshm->uinfo[j] ){
hit |= me->friend_online[i] >>24;
break;
}