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Diffstat (limited to 'xorg-server/randr/rroutput.c')
-rw-r--r--xorg-server/randr/rroutput.c527
1 files changed, 245 insertions, 282 deletions
diff --git a/xorg-server/randr/rroutput.c b/xorg-server/randr/rroutput.c
index b57be198f..0890c55b5 100644
--- a/xorg-server/randr/rroutput.c
+++ b/xorg-server/randr/rroutput.c
@@ -23,23 +23,22 @@
#include "randrstr.h"
-RESTYPE RROutputType;
+RESTYPE RROutputType;
/*
* Notify the output of some change
*/
void
-RROutputChanged (RROutputPtr output, Bool configChanged)
+RROutputChanged(RROutputPtr output, Bool configChanged)
{
- ScreenPtr pScreen = output->pScreen;
-
+ ScreenPtr pScreen = output->pScreen;
+
output->changed = TRUE;
- if (pScreen)
- {
- rrScrPriv (pScreen);
- pScrPriv->changed = TRUE;
- if (configChanged)
- pScrPriv->configChanged = TRUE;
+ if (pScreen) {
+ rrScrPriv(pScreen);
+ pScrPriv->changed = TRUE;
+ if (configChanged)
+ pScrPriv->configChanged = TRUE;
}
}
@@ -48,38 +47,36 @@ RROutputChanged (RROutputPtr output, Bool configChanged)
*/
RROutputPtr
-RROutputCreate (ScreenPtr pScreen,
- const char *name,
- int nameLength,
- void *devPrivate)
+RROutputCreate(ScreenPtr pScreen,
+ const char *name, int nameLength, void *devPrivate)
{
- RROutputPtr output;
- RROutputPtr *outputs;
- rrScrPrivPtr pScrPriv;
+ RROutputPtr output;
+ RROutputPtr *outputs;
+ rrScrPrivPtr pScrPriv;
if (!RRInit())
- return NULL;
-
+ return NULL;
+
pScrPriv = rrGetScrPriv(pScreen);
if (pScrPriv->numOutputs)
- outputs = realloc(pScrPriv->outputs,
- (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
+ outputs = realloc(pScrPriv->outputs,
+ (pScrPriv->numOutputs + 1) * sizeof(RROutputPtr));
else
- outputs = malloc(sizeof (RROutputPtr));
+ outputs = malloc(sizeof(RROutputPtr));
if (!outputs)
- return FALSE;
+ return FALSE;
pScrPriv->outputs = outputs;
-
- output = malloc(sizeof (RROutputRec) + nameLength + 1);
+
+ output = malloc(sizeof(RROutputRec) + nameLength + 1);
if (!output)
- return NULL;
- output->id = FakeClientID (0);
+ return NULL;
+ output->id = FakeClientID(0);
output->pScreen = pScreen;
output->name = (char *) (output + 1);
output->nameLength = nameLength;
- memcpy (output->name, name, nameLength);
+ memcpy(output->name, name, nameLength);
output->name[nameLength] = '\0';
output->connection = RR_UnknownConnection;
output->subpixelOrder = SubPixelUnknown;
@@ -99,9 +96,9 @@ RROutputCreate (ScreenPtr pScreen,
output->pendingProperties = FALSE;
output->changed = FALSE;
output->devPrivate = devPrivate;
-
- if (!AddResource (output->id, RROutputType, (pointer) output))
- return NULL;
+
+ if (!AddResource(output->id, RROutputType, (pointer) output))
+ return NULL;
pScrPriv->outputs[pScrPriv->numOutputs++] = output;
return output;
@@ -111,300 +108,273 @@ RROutputCreate (ScreenPtr pScreen,
* Notify extension that output parameters have been changed
*/
Bool
-RROutputSetClones (RROutputPtr output,
- RROutputPtr *clones,
- int numClones)
+RROutputSetClones(RROutputPtr output, RROutputPtr * clones, int numClones)
{
- RROutputPtr *newClones;
- int i;
-
- if (numClones == output->numClones)
- {
- for (i = 0; i < numClones; i++)
- if (output->clones[i] != clones[i])
- break;
- if (i == numClones)
- return TRUE;
+ RROutputPtr *newClones;
+ int i;
+
+ if (numClones == output->numClones) {
+ for (i = 0; i < numClones; i++)
+ if (output->clones[i] != clones[i])
+ break;
+ if (i == numClones)
+ return TRUE;
}
- if (numClones)
- {
- newClones = malloc(numClones * sizeof (RROutputPtr));
- if (!newClones)
- return FALSE;
+ if (numClones) {
+ newClones = malloc(numClones * sizeof(RROutputPtr));
+ if (!newClones)
+ return FALSE;
}
else
- newClones = NULL;
+ newClones = NULL;
free(output->clones);
- memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
+ memcpy(newClones, clones, numClones * sizeof(RROutputPtr));
output->clones = newClones;
output->numClones = numClones;
- RROutputChanged (output, TRUE);
+ RROutputChanged(output, TRUE);
return TRUE;
}
Bool
-RROutputSetModes (RROutputPtr output,
- RRModePtr *modes,
- int numModes,
- int numPreferred)
+RROutputSetModes(RROutputPtr output,
+ RRModePtr * modes, int numModes, int numPreferred)
{
- RRModePtr *newModes;
- int i;
-
- if (numModes == output->numModes && numPreferred == output->numPreferred)
- {
- for (i = 0; i < numModes; i++)
- if (output->modes[i] != modes[i])
- break;
- if (i == numModes)
- {
- for (i = 0; i < numModes; i++)
- RRModeDestroy (modes[i]);
- return TRUE;
- }
+ RRModePtr *newModes;
+ int i;
+
+ if (numModes == output->numModes && numPreferred == output->numPreferred) {
+ for (i = 0; i < numModes; i++)
+ if (output->modes[i] != modes[i])
+ break;
+ if (i == numModes) {
+ for (i = 0; i < numModes; i++)
+ RRModeDestroy(modes[i]);
+ return TRUE;
+ }
}
- if (numModes)
- {
- newModes = malloc(numModes * sizeof (RRModePtr));
- if (!newModes)
- return FALSE;
+ if (numModes) {
+ newModes = malloc(numModes * sizeof(RRModePtr));
+ if (!newModes)
+ return FALSE;
}
else
- newModes = NULL;
- if (output->modes)
- {
- for (i = 0; i < output->numModes; i++)
- RRModeDestroy (output->modes[i]);
- free(output->modes);
+ newModes = NULL;
+ if (output->modes) {
+ for (i = 0; i < output->numModes; i++)
+ RRModeDestroy(output->modes[i]);
+ free(output->modes);
}
- memcpy (newModes, modes, numModes * sizeof (RRModePtr));
+ memcpy(newModes, modes, numModes * sizeof(RRModePtr));
output->modes = newModes;
output->numModes = numModes;
output->numPreferred = numPreferred;
- RROutputChanged (output, TRUE);
+ RROutputChanged(output, TRUE);
return TRUE;
}
int
-RROutputAddUserMode (RROutputPtr output,
- RRModePtr mode)
+RROutputAddUserMode(RROutputPtr output, RRModePtr mode)
{
- int m;
- ScreenPtr pScreen = output->pScreen;
+ int m;
+ ScreenPtr pScreen = output->pScreen;
+
rrScrPriv(pScreen);
- RRModePtr *newModes;
+ RRModePtr *newModes;
/* Check to see if this mode is already listed for this output */
- for (m = 0; m < output->numModes + output->numUserModes; m++)
- {
- RRModePtr e = (m < output->numModes ?
- output->modes[m] :
- output->userModes[m - output->numModes]);
- if (mode == e)
- return Success;
+ for (m = 0; m < output->numModes + output->numUserModes; m++) {
+ RRModePtr e = (m < output->numModes ?
+ output->modes[m] :
+ output->userModes[m - output->numModes]);
+ if (mode == e)
+ return Success;
}
/* Check with the DDX to see if this mode is OK */
if (pScrPriv->rrOutputValidateMode)
- if (!pScrPriv->rrOutputValidateMode (pScreen, output, mode))
- return BadMatch;
+ if (!pScrPriv->rrOutputValidateMode(pScreen, output, mode))
+ return BadMatch;
if (output->userModes)
- newModes = realloc(output->userModes,
- (output->numUserModes + 1) * sizeof (RRModePtr));
+ newModes = realloc(output->userModes,
+ (output->numUserModes + 1) * sizeof(RRModePtr));
else
- newModes = malloc(sizeof (RRModePtr));
+ newModes = malloc(sizeof(RRModePtr));
if (!newModes)
- return BadAlloc;
+ return BadAlloc;
output->userModes = newModes;
output->userModes[output->numUserModes++] = mode;
++mode->refcnt;
- RROutputChanged (output, TRUE);
- RRTellChanged (pScreen);
+ RROutputChanged(output, TRUE);
+ RRTellChanged(pScreen);
return Success;
}
int
-RROutputDeleteUserMode (RROutputPtr output,
- RRModePtr mode)
+RROutputDeleteUserMode(RROutputPtr output, RRModePtr mode)
{
- int m;
-
+ int m;
+
/* Find this mode in the user mode list */
- for (m = 0; m < output->numUserModes; m++)
- {
- RRModePtr e = output->userModes[m];
+ for (m = 0; m < output->numUserModes; m++) {
+ RRModePtr e = output->userModes[m];
- if (mode == e)
- break;
+ if (mode == e)
+ break;
}
/* Not there, access error */
if (m == output->numUserModes)
- return BadAccess;
+ return BadAccess;
/* make sure the mode isn't active for this output */
if (output->crtc && output->crtc->mode == mode)
- return BadMatch;
+ return BadMatch;
- memmove (output->userModes + m, output->userModes + m + 1,
- (output->numUserModes - m - 1) * sizeof (RRModePtr));
+ memmove(output->userModes + m, output->userModes + m + 1,
+ (output->numUserModes - m - 1) * sizeof(RRModePtr));
output->numUserModes--;
- RRModeDestroy (mode);
+ RRModeDestroy(mode);
return Success;
}
Bool
-RROutputSetCrtcs (RROutputPtr output,
- RRCrtcPtr *crtcs,
- int numCrtcs)
+RROutputSetCrtcs(RROutputPtr output, RRCrtcPtr * crtcs, int numCrtcs)
{
- RRCrtcPtr *newCrtcs;
- int i;
-
- if (numCrtcs == output->numCrtcs)
- {
- for (i = 0; i < numCrtcs; i++)
- if (output->crtcs[i] != crtcs[i])
- break;
- if (i == numCrtcs)
- return TRUE;
+ RRCrtcPtr *newCrtcs;
+ int i;
+
+ if (numCrtcs == output->numCrtcs) {
+ for (i = 0; i < numCrtcs; i++)
+ if (output->crtcs[i] != crtcs[i])
+ break;
+ if (i == numCrtcs)
+ return TRUE;
}
- if (numCrtcs)
- {
- newCrtcs = malloc(numCrtcs * sizeof (RRCrtcPtr));
- if (!newCrtcs)
- return FALSE;
+ if (numCrtcs) {
+ newCrtcs = malloc(numCrtcs * sizeof(RRCrtcPtr));
+ if (!newCrtcs)
+ return FALSE;
}
else
- newCrtcs = NULL;
+ newCrtcs = NULL;
free(output->crtcs);
- memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
+ memcpy(newCrtcs, crtcs, numCrtcs * sizeof(RRCrtcPtr));
output->crtcs = newCrtcs;
output->numCrtcs = numCrtcs;
- RROutputChanged (output, TRUE);
+ RROutputChanged(output, TRUE);
return TRUE;
}
Bool
-RROutputSetConnection (RROutputPtr output,
- CARD8 connection)
+RROutputSetConnection(RROutputPtr output, CARD8 connection)
{
if (output->connection == connection)
- return TRUE;
+ return TRUE;
output->connection = connection;
- RROutputChanged (output, TRUE);
+ RROutputChanged(output, TRUE);
return TRUE;
}
Bool
-RROutputSetSubpixelOrder (RROutputPtr output,
- int subpixelOrder)
+RROutputSetSubpixelOrder(RROutputPtr output, int subpixelOrder)
{
if (output->subpixelOrder == subpixelOrder)
- return TRUE;
+ return TRUE;
output->subpixelOrder = subpixelOrder;
- RROutputChanged (output, FALSE);
+ RROutputChanged(output, FALSE);
return TRUE;
}
Bool
-RROutputSetPhysicalSize (RROutputPtr output,
- int mmWidth,
- int mmHeight)
+RROutputSetPhysicalSize(RROutputPtr output, int mmWidth, int mmHeight)
{
if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
- return TRUE;
+ return TRUE;
output->mmWidth = mmWidth;
output->mmHeight = mmHeight;
- RROutputChanged (output, FALSE);
+ RROutputChanged(output, FALSE);
return TRUE;
}
-
void
RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
- rrScrPriv (pScreen);
- xRROutputChangeNotifyEvent oe;
- RRCrtcPtr crtc = output->crtc;
- RRModePtr mode = crtc ? crtc->mode : 0;
-
+
+ rrScrPriv(pScreen);
+ xRROutputChangeNotifyEvent oe;
+ RRCrtcPtr crtc = output->crtc;
+ RRModePtr mode = crtc ? crtc->mode : 0;
+
oe.type = RRNotify + RREventBase;
oe.subCode = RRNotify_OutputChange;
oe.timestamp = pScrPriv->lastSetTime.milliseconds;
oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
oe.window = pWin->drawable.id;
oe.output = output->id;
- if (crtc)
- {
- oe.crtc = crtc->id;
- oe.mode = mode ? mode->mode.id : None;
- oe.rotation = crtc->rotation;
+ if (crtc) {
+ oe.crtc = crtc->id;
+ oe.mode = mode ? mode->mode.id : None;
+ oe.rotation = crtc->rotation;
}
- else
- {
- oe.crtc = None;
- oe.mode = None;
- oe.rotation = RR_Rotate_0;
+ else {
+ oe.crtc = None;
+ oe.mode = None;
+ oe.rotation = RR_Rotate_0;
}
oe.connection = output->connection;
oe.subpixelOrder = output->subpixelOrder;
- WriteEventsToClient (client, 1, (xEvent *) &oe);
+ WriteEventsToClient(client, 1, (xEvent *) &oe);
}
/*
* Destroy a Output at shutdown
*/
void
-RROutputDestroy (RROutputPtr output)
+RROutputDestroy(RROutputPtr output)
{
- FreeResource (output->id, 0);
+ FreeResource(output->id, 0);
}
static int
-RROutputDestroyResource (pointer value, XID pid)
+RROutputDestroyResource(pointer value, XID pid)
{
- RROutputPtr output = (RROutputPtr) value;
- ScreenPtr pScreen = output->pScreen;
- int m;
-
- if (pScreen)
- {
- rrScrPriv(pScreen);
- int i;
-
- if (pScrPriv->primaryOutput == output)
- pScrPriv->primaryOutput = NULL;
-
- for (i = 0; i < pScrPriv->numOutputs; i++)
- {
- if (pScrPriv->outputs[i] == output)
- {
- memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
- (pScrPriv->numOutputs - (i + 1)) * sizeof (RROutputPtr));
- --pScrPriv->numOutputs;
- break;
- }
- }
+ RROutputPtr output = (RROutputPtr) value;
+ ScreenPtr pScreen = output->pScreen;
+ int m;
+
+ if (pScreen) {
+ rrScrPriv(pScreen);
+ int i;
+
+ if (pScrPriv->primaryOutput == output)
+ pScrPriv->primaryOutput = NULL;
+
+ for (i = 0; i < pScrPriv->numOutputs; i++) {
+ if (pScrPriv->outputs[i] == output) {
+ memmove(pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
+ (pScrPriv->numOutputs - (i + 1)) * sizeof(RROutputPtr));
+ --pScrPriv->numOutputs;
+ break;
+ }
+ }
}
- if (output->modes)
- {
- for (m = 0; m < output->numModes; m++)
- RRModeDestroy (output->modes[m]);
- free(output->modes);
+ if (output->modes) {
+ for (m = 0; m < output->numModes; m++)
+ RRModeDestroy(output->modes[m]);
+ free(output->modes);
}
-
+
for (m = 0; m < output->numUserModes; m++)
- RRModeDestroy (output->userModes[m]);
+ RRModeDestroy(output->userModes[m]);
free(output->userModes);
free(output->crtcs);
free(output->clones);
- RRDeleteAllOutputProperties (output);
+ RRDeleteAllOutputProperties(output);
free(output);
return 1;
}
@@ -413,11 +383,11 @@ RROutputDestroyResource (pointer value, XID pid)
* Initialize output type
*/
Bool
-RROutputInit (void)
+RROutputInit(void)
{
- RROutputType = CreateNewResourceType (RROutputDestroyResource, "OUTPUT");
+ RROutputType = CreateNewResourceType(RROutputDestroyResource, "OUTPUT");
if (!RROutputType)
- return FALSE;
+ return FALSE;
return TRUE;
}
@@ -434,21 +404,21 @@ RROutputInitErrorValue(void)
#define OutputInfoExtra (SIZEOF(xRRGetOutputInfoReply) - 32)
int
-ProcRRGetOutputInfo (ClientPtr client)
+ProcRRGetOutputInfo(ClientPtr client)
{
REQUEST(xRRGetOutputInfoReq);
- xRRGetOutputInfoReply rep;
- RROutputPtr output;
- CARD8 *extra;
- unsigned long extraLen;
- ScreenPtr pScreen;
- rrScrPrivPtr pScrPriv;
- RRCrtc *crtcs;
- RRMode *modes;
- RROutput *clones;
- char *name;
- int i;
-
+ xRRGetOutputInfoReply rep;
+ RROutputPtr output;
+ CARD8 *extra;
+ unsigned long extraLen;
+ ScreenPtr pScreen;
+ rrScrPrivPtr pScrPriv;
+ RRCrtc *crtcs;
+ RRMode *modes;
+ RROutput *clones;
+ char *name;
+ int i;
+
REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
@@ -469,88 +439,81 @@ ProcRRGetOutputInfo (ClientPtr client)
rep.nPreferred = output->numPreferred;
rep.nClones = output->numClones;
rep.nameLength = output->nameLength;
-
+
extraLen = ((output->numCrtcs +
- output->numModes + output->numUserModes +
- output->numClones +
- bytes_to_int32(rep.nameLength)) << 2);
-
- if (extraLen)
- {
- rep.length += bytes_to_int32(extraLen);
- extra = malloc(extraLen);
- if (!extra)
- return BadAlloc;
+ output->numModes + output->numUserModes +
+ output->numClones + bytes_to_int32(rep.nameLength)) << 2);
+
+ if (extraLen) {
+ rep.length += bytes_to_int32(extraLen);
+ extra = malloc(extraLen);
+ if (!extra)
+ return BadAlloc;
}
else
- extra = NULL;
+ extra = NULL;
crtcs = (RRCrtc *) extra;
modes = (RRMode *) (crtcs + output->numCrtcs);
clones = (RROutput *) (modes + output->numModes + output->numUserModes);
name = (char *) (clones + output->numClones);
-
- for (i = 0; i < output->numCrtcs; i++)
- {
- crtcs[i] = output->crtcs[i]->id;
- if (client->swapped)
- swapl(&crtcs[i]);
+
+ for (i = 0; i < output->numCrtcs; i++) {
+ crtcs[i] = output->crtcs[i]->id;
+ if (client->swapped)
+ swapl(&crtcs[i]);
}
- for (i = 0; i < output->numModes + output->numUserModes; i++)
- {
- if (i < output->numModes)
- modes[i] = output->modes[i]->mode.id;
- else
- modes[i] = output->userModes[i - output->numModes]->mode.id;
- if (client->swapped)
- swapl(&modes[i]);
+ for (i = 0; i < output->numModes + output->numUserModes; i++) {
+ if (i < output->numModes)
+ modes[i] = output->modes[i]->mode.id;
+ else
+ modes[i] = output->userModes[i - output->numModes]->mode.id;
+ if (client->swapped)
+ swapl(&modes[i]);
}
- for (i = 0; i < output->numClones; i++)
- {
- clones[i] = output->clones[i]->id;
- if (client->swapped)
- swapl(&clones[i]);
+ for (i = 0; i < output->numClones; i++) {
+ clones[i] = output->clones[i]->id;
+ if (client->swapped)
+ swapl(&clones[i]);
}
- memcpy (name, output->name, output->nameLength);
+ memcpy(name, output->name, output->nameLength);
if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.timestamp);
- swapl(&rep.crtc);
- swapl(&rep.mmWidth);
- swapl(&rep.mmHeight);
- swaps(&rep.nCrtcs);
- swaps(&rep.nModes);
- swaps(&rep.nClones);
- swaps(&rep.nameLength);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.timestamp);
+ swapl(&rep.crtc);
+ swapl(&rep.mmWidth);
+ swapl(&rep.mmHeight);
+ swaps(&rep.nCrtcs);
+ swaps(&rep.nModes);
+ swaps(&rep.nClones);
+ swaps(&rep.nameLength);
}
- WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
- if (extraLen)
- {
- WriteToClient (client, extraLen, (char *) extra);
- free(extra);
+ WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *) &rep);
+ if (extraLen) {
+ WriteToClient(client, extraLen, (char *) extra);
+ free(extra);
}
-
+
return Success;
}
static void
-RRSetPrimaryOutput(ScreenPtr pScreen, rrScrPrivPtr pScrPriv,
- RROutputPtr output)
+RRSetPrimaryOutput(ScreenPtr pScreen, rrScrPrivPtr pScrPriv, RROutputPtr output)
{
if (pScrPriv->primaryOutput == output)
- return;
+ return;
/* clear the old primary */
if (pScrPriv->primaryOutput) {
- RROutputChanged(pScrPriv->primaryOutput, 0);
- pScrPriv->primaryOutput = NULL;
+ RROutputChanged(pScrPriv->primaryOutput, 0);
+ pScrPriv->primaryOutput = NULL;
}
/* set the new primary */
if (output) {
- pScrPriv->primaryOutput = output;
- RROutputChanged(output, 0);
+ pScrPriv->primaryOutput = output;
+ RROutputChanged(output, 0);
}
pScrPriv->layoutChanged = TRUE;
@@ -571,15 +534,15 @@ ProcRRSetOutputPrimary(ClientPtr client)
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
- return rc;
+ return rc;
if (stuff->output) {
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
- if (output->pScreen != pWin->drawable.pScreen) {
- client->errorValue = stuff->window;
- return BadMatch;
- }
+ if (output->pScreen != pWin->drawable.pScreen) {
+ client->errorValue = stuff->window;
+ return BadMatch;
+ }
}
pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
@@ -602,11 +565,11 @@ ProcRRGetOutputPrimary(ClientPtr client)
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
- return rc;
+ return rc;
pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
if (pScrPriv)
- primary = pScrPriv->primaryOutput;
+ primary = pScrPriv->primaryOutput;
memset(&rep, 0, sizeof(rep));
rep.type = X_Reply;
@@ -614,8 +577,8 @@ ProcRRGetOutputPrimary(ClientPtr client)
rep.output = primary ? primary->id : None;
if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.output);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.output);
}
WriteToClient(client, sizeof(xRRGetOutputPrimaryReply), &rep);