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XI: use SwapLongs() in ProcXGetDeviceMotionEvents() 

We already have a standard function for swapping 32 bit ints,
so let's use this one instead of rolling our own loop.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-04-01 15:45:08 +02:00
parent d082992690
commit 9ae97d7487
1 changed files with 9 additions and 18 deletions
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27
Xi/gtmotion.c
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@ -86,13 +86,10 @@ SProcXGetDeviceMotionEvents(ClientPtr client)
int int
ProcXGetDeviceMotionEvents(ClientPtr client) ProcXGetDeviceMotionEvents(ClientPtr client)
{ {
INT32 *coords = NULL, *bufptr; INT32 *coords = NULL;
unsigned long i;
int rc, num_events, axes, size = 0; int rc, num_events, axes, size = 0;
unsigned long nEvents;
DeviceIntPtr dev; DeviceIntPtr dev;
TimeStamp start, stop; TimeStamp start, stop;
int length = 0;
ValuatorClassPtr v; ValuatorClassPtr v;
REQUEST(xGetDeviceMotionEventsReq); REQUEST(xGetDeviceMotionEventsReq);
@ -134,22 +131,16 @@ ProcXGetDeviceMotionEvents(ClientPtr client)
start.milliseconds, stop.milliseconds, start.milliseconds, stop.milliseconds,
(ScreenPtr) NULL, FALSE); (ScreenPtr) NULL, FALSE);
} }
if (rep.nEvents > 0) {
length = bytes_to_int32(rep.nEvents * size); const int length = rep.nEvents * size;
rep.length = length; rep.length = bytes_to_int32(length);
}
nEvents = rep.nEvents;
WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep);
if (nEvents) {
if (client->swapped) { if (client->swapped) {
bufptr = coords; SwapLongs((CARD32*) coords, rep.length);
for (i = 0; i < nEvents * (axes + 1); i++) {
swapl(bufptr);
bufptr++;
}
}
WriteToClient(client, length * 4, coords);
} }
WriteReplyToClient(client, sizeof(xGetDeviceMotionEventsReply), &rep);
WriteToClient(client, length, coords);
free(coords); free(coords);
return Success; return Success;
} }