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| author | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-05-22 23:42:26 +0800 |
|---|---|---|
| committer | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-05-22 23:42:26 +0800 |
| commit | a0788ed70447a75a42ed2cca63a49f40be72149d (patch) | |
| tree | b13c01585067da4b3649b3de8701caad4918dcc0 | |
| parent | 774e9e5046fecf6403172494dc59ee535327a757 (diff) | |
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avoid search_ulistn from -1 when there's nobody online
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@187 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
| -rw-r--r-- | mbbsd/cache.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mbbsd/cache.c b/mbbsd/cache.c index ec85a4db..9f3dab99 100644 --- a/mbbsd/cache.c +++ b/mbbsd/cache.c @@ -1,4 +1,4 @@ -/* $Id: cache.c,v 1.25 2002/05/13 10:00:17 ptt Exp $ */ +/* $Id: cache.c,v 1.26 2002/05/22 15:42:26 in2 Exp $ */ #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -463,6 +463,8 @@ extern int usernum; userinfo_t *search_ulist_pid(int pid) { register int i=0, j, start = 0, end = utmpshm->number - 1; register userinfo_t **ulist; + if( end == -1 ) + return NULL; ulist=utmpshm->sorted[utmpshm->currsorted][7]; for(i=((start+end)/2); ;i=(start+end)/2) { |