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Xi: fix swapping for barrier events 

Protocol events don't contain pointers, so it's easier to copy everything
over, then swap in-place.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jasper St. Pierre <jstpierre@mecheye.net>
This commit is contained in:
Peter Hutterer 2012-12-10 11:00:46 +10:00
parent 151d44149a
commit cc10ac8f0e
1 changed files with 18 additions and 21 deletions
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39
Xi/extinit.c
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@ -845,30 +845,27 @@ STouchOwnershipEvent(xXITouchOwnershipEvent * from, xXITouchOwnershipEvent * to)
static void static void
SBarrierEvent(xXIBarrierEvent * from, SBarrierEvent(xXIBarrierEvent * from,
xXIBarrierEvent * to) { xXIBarrierEvent * to) {
to->type = from->type;
cpswaps(from->sequenceNumber, to->sequenceNumber); *to = *from;
cpswapl(from->length, to->length);
cpswaps(from->evtype, to->evtype);
cpswapl(from->time, to->time);
cpswaps(from->deviceid, to->deviceid);
cpswaps(from->sourceid, to->sourceid);
cpswapl(from->event, to->event);
cpswapl(from->root, to->root);
cpswapl(from->root_x, to->root_x);
cpswapl(from->root_y, to->root_y);
#define SWAP_FP3232(x, y) \ swaps(&from->sequenceNumber);
do { \ swapl(&from->length);
cpswapl((x).integral, (y).integral); \ swaps(&from->evtype);
cpswapl((x).frac, (y).frac); \ swapl(&from->time);
} while(0) swaps(&from->deviceid);
swaps(&from->sourceid);
swapl(&from->event);
swapl(&from->root);
swapl(&from->root_x);
swapl(&from->root_y);
SWAP_FP3232(from->dx, to->dx); swapl(&from->dx.integral);
SWAP_FP3232(from->dy, to->dy); swapl(&from->dx.frac);
cpswapl(from->dtime, to->dtime); swapl(&from->dy.integral);
cpswapl(from->barrier, to->barrier); swapl(&from->dy.frac);
cpswapl(from->eventid, to->eventid); swapl(&from->dtime);
swapl(&from->barrier);
swapl(&from->eventid);
} }
/** Event swapping function for XI2 events. */ /** Event swapping function for XI2 events. */