Miroirs/xwords
1
0
Fork 0
mirror of git://xwords.git.sourceforge.net/gitroot/xwords/xwords synced 2024-12-28 09:58:30 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix crasher: removing ACK'd messages left list in inconsistent state.

Browse source 
Candidate for moving to 4.2 branch if to be used for Palm.
This commit is contained in:
ehouse 2009-02-28 14:40:50 +00:00
parent 5d243cb4f7
commit 45d41d2872
1 changed files with 9 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
common/comms.c
View file

@ -844,8 +844,9 @@ removeFromQueue( CommsCtxt* comms, XP_PlayerAddr channelNo, MsgID msgID )
__func__, msgID, channelNo, comms->queueLen );
if ( (channelNo == 0) || !!getRecordFor(comms, NULL, channelNo) ) {
MsgQueueElem dummy;
MsgQueueElem* keep = &dummy;
MsgQueueElem* newHead = NULL;
MsgQueueElem* newTail = NULL;
MsgQueueElem* elem;
MsgQueueElem* next;
@ -868,14 +869,16 @@ removeFromQueue( CommsCtxt* comms, XP_PlayerAddr channelNo, MsgID msgID )
if ( !knownGood && (elem->msgID <= msgID) ) {
freeElem( comms, elem );
--comms->queueLen;
} else if ( NULL == newHead ) {
newHead = newTail = elem;
} else {
keep->next = elem;
keep = elem;
newTail->next = elem;
newTail = elem;
}
}
keep->next = NULL;
comms->msgQueueHead = dummy.next;
comms->msgQueueHead = newHead;
comms->msgQueueTail = newTail;
}
XP_STATUSF( "%s: queueLen now %d", __func__, comms->queueLen );