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xfixes: ProcXFixesFetchRegion() use x_rpcbuf_t and X_SEND_REPLY_WITH_RPCBUF()

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Use x_rpcbuf_t for reply payload assembly, and X_SEND_REPLY_WITH_RPCBUF()
for sending out the whole reply.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult
2025-08-19 20:05:00 +02:00
committed by Enrico Weigelt
parent 16997296d3
commit d900434235
1 changed files with 9 additions and 14 deletions
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23
xfixes/region.c
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@@ -23,6 +23,7 @@
#include <dix-config.h>
#include "dix/dix_priv.h"
#include "dix/rpcbuf_priv.h"
#include "dix/window_priv.h"
#include "render/picturestr_priv.h"
#include "Xext/panoramiX.h"
@@ -523,21 +524,17 @@ ProcXFixesFetchRegion(ClientPtr client)
pBox = RegionRects(pRegion);
nBox = RegionNumRects(pRegion);
xRectangle *pRect = calloc(nBox, sizeof(xRectangle));
if (!pRect)
return BadAlloc;
x_rpcbuf_t rpcbuf = { .swapped = client->swapped, .err_clear = TRUE };
for (i = 0; i < nBox; i++) {
pRect[i].x = pBox[i].x1;
pRect[i].y = pBox[i].y1;
pRect[i].width = pBox[i].x2 - pBox[i].x1;
pRect[i].height = pBox[i].y2 - pBox[i].y1;
x_rpcbuf_write_rect(&rpcbuf,
pBox[i].x1,
pBox[i].y1,
pBox[i].x2 - pBox[i].x1,
pBox[i].y2 - pBox[i].y1);
}
xXFixesFetchRegionReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = nBox << 1,
.x = pExtent->x1,
.y = pExtent->y1,
.width = pExtent->x2 - pExtent->x1,
@@ -551,11 +548,9 @@ ProcXFixesFetchRegion(ClientPtr client)
swaps(&rep.y);
swaps(&rep.width);
swaps(&rep.height);
SwapShorts((INT16 *) pRect, nBox * 4);
}
WriteToClient(client, sizeof(rep), &rep);
WriteToClient(client, nBox * sizeof(xRectangle), pRect);
free(pRect);
X_SEND_REPLY_WITH_RPCBUF(client, rep, rpcbuf);
return Success;
}