int
ProcRRCreateMode (ClientPtr client)
{
REQUEST(xRRCreateModeReq);
xRRCreateModeReply rep;
WindowPtr pWin;
ScreenPtr pScreen;
rrScrPrivPtr pScrPriv;
xRRModeInfo *modeInfo;
long units_after;
char *name;
int error, rc;
RRModePtr mode;
REQUEST_AT_LEAST_SIZE (xRRCreateModeReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
pScreen = pWin->drawable.pScreen;
pScrPriv = rrGetScrPriv(pScreen);
modeInfo = &stuff->modeInfo;
name = (char *) (stuff + 1);
units_after = (stuff->length - bytes_to_int32(sizeof (xRRCreateModeReq)));
/* check to make sure requested name fits within the data provided */
if (bytes_to_int32(modeInfo->nameLength) > units_after)
return BadLength;
mode = RRModeCreateUser (pScreen, modeInfo, name, &error);
if (!mode)
return error;
rep.type = X_Reply;
rep.pad0 = 0;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.mode = mode->mode.id;
if (client->swapped)
{
int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.mode, n);
}
WriteToClient(client, sizeof(xRRCreateModeReply), (char *)&rep);
/* Drop out reference to this mode */
RRModeDestroy (mode);
return client->noClientException;
}
int
ProcRRCreateMode(ClientPtr client)
{
REQUEST(xRRCreateModeReq);
xRRCreateModeReply rep;
WindowPtr pWin;
ScreenPtr pScreen;
xRRModeInfo *modeInfo;
long units_after;
char *name;
int error, rc;
RRModePtr mode;
REQUEST_AT_LEAST_SIZE(xRRCreateModeReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
pScreen = pWin->drawable.pScreen;
modeInfo = &stuff->modeInfo;
name = (char *) (stuff + 1);
units_after = (stuff->length - bytes_to_int32(sizeof(xRRCreateModeReq)));
/* check to make sure requested name fits within the data provided */
if (bytes_to_int32(modeInfo->nameLength) > units_after)
return BadLength;
mode = RRModeCreateUser(pScreen, modeInfo, name, &error);
if (!mode)
return error;
rep = (xRRCreateModeReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0,
.mode = mode->mode.id
};
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.mode);
}
WriteToClient(client, sizeof(xRRCreateModeReply), &rep);
/* Drop out reference to this mode */
RRModeDestroy(mode);
return Success;
}
int
ProcRRDestroyMode(ClientPtr client)
{
REQUEST(xRRDestroyModeReq);
RRModePtr mode;
REQUEST_SIZE_MATCH(xRRDestroyModeReq);
VERIFY_RR_MODE(stuff->mode, mode, DixDestroyAccess);
if (!mode->userScreen)
return BadMatch;
if (mode->refcnt > 1)
return BadAccess;
FreeResource(stuff->mode, 0);
return Success;
}
