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dix: write out X_AllocNamedColor reply directly 

No need for using a complex callback machinery, if we just move the
little pieces of byte-swapping directly into the request handler.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-04-03 19:49:07 +02:00
parent f062333422
commit df44f063a0
4 changed files with 40 additions and 49 deletions
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68
dix/dispatch.c
View File

@ -2672,38 +2672,48 @@ ProcAllocNamedColor(ClientPtr client)
REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);
rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, X11_RESTYPE_COLORMAP,
client, DixAddAccess);
if (rc == Success) {
xAllocNamedColorReply ancr = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0
};
if (dixLookupBuiltinColor
(pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes,
&ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue)) {
ancr.screenRed = ancr.exactRed;
ancr.screenGreen = ancr.exactGreen;
ancr.screenBlue = ancr.exactBlue;
ancr.pixel = 0;
if ((rc = AllocColor(pcmp,
&ancr.screenRed, &ancr.screenGreen,
&ancr.screenBlue, &ancr.pixel, client->index)))
return rc;
#ifdef XINERAMA
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif /* XINERAMA */
WriteReplyToClient(client, sizeof(xAllocNamedColorReply),
&ancr);
return Success;
}
else
return BadName;
}
else {
if (rc != Success) {
client->errorValue = stuff->cmap;
return rc;
}
xAllocNamedColorReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0
};
if (!dixLookupBuiltinColor
(pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes,
&rep.exactRed, &rep.exactGreen, &rep.exactBlue))
return BadName;
rep.screenRed = rep.exactRed;
rep.screenGreen = rep.exactGreen;
rep.screenBlue = rep.exactBlue;
rep.pixel = 0;
if ((rc = AllocColor(pcmp,
&rep.screenRed, &rep.screenGreen,
&rep.screenBlue, &rep.pixel, client->index)))
return rc;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.pixel);
swaps(&rep.exactRed);
swaps(&rep.exactGreen);
swaps(&rep.exactBlue);
swaps(&rep.screenRed);
swaps(&rep.screenGreen);
swaps(&rep.screenBlue);
}
#ifdef XINERAMA
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif /* XINERAMA */
WriteToClient(client, sizeof(rep), &rep);
return Success;
}
int

14
dix/swaprep.c
View File

@ -310,20 +310,6 @@ SGetFontPathReply(ClientPtr pClient, int size, xGetFontPathReply * pRep)
WriteToClient(pClient, size, pRep);
}
void _X_COLD
SAllocNamedColorReply(ClientPtr pClient, int size, xAllocNamedColorReply * pRep)
{
swaps(&pRep->sequenceNumber);
swapl(&pRep->pixel);
swaps(&pRep->exactRed);
swaps(&pRep->exactGreen);
swaps(&pRep->exactBlue);
swaps(&pRep->screenRed);
swaps(&pRep->screenGreen);
swaps(&pRep->screenBlue);
WriteToClient(pClient, size, pRep);
}
void _X_COLD
SAllocColorCellsReply(ClientPtr pClient, int size, xAllocColorCellsReply * pRep)
{

2
dix/tables.c
View File

@ -800,7 +800,7 @@ ReplySwapPtr ReplySwapVector[256] = {
ReplyNotSwappd,
ReplyNotSwappd,
ReplyNotSwappd,
(ReplySwapPtr) SAllocNamedColorReply, /* 85 */
ReplyNotSwappd, /* 85 */
(ReplySwapPtr) SAllocColorCellsReply,
(ReplySwapPtr) SAllocColorPlanesReply,
ReplyNotSwappd,

5
include/swaprep.h
View File

@ -68,11 +68,6 @@ extern void SGetFontPathReply(ClientPtr /* pClient */ ,
int /* size */ ,
xGetFontPathReply * /* pRep */ );
extern void SAllocNamedColorReply(ClientPtr /* pClient */ ,
int /* size */ ,
xAllocNamedColorReply * /* pRep */
);
extern void SAllocColorCellsReply(ClientPtr /* pClient */ ,
int /* size */ ,
xAllocColorCellsReply * /* pRep */