hw/xquartz: Various fixes for pseudoramiX.c
Various fixes, applied to panoramiX.c in commit 2b266eda
, also need applying to pseudoramiX.c:
Fix panoramiX request and reply swapping
Set window and screen values in panoramix replies
Prevent buffer overrun in ProcPanoramiXGetScreenSize
These fixes seem to be necessary in order to compile pseudoramiX.c with gcc
pseudoramiX.c: In function 'ProcPseudoramiXGetState':
pseudoramiX.c:221:56: error: call to 'wrong_size' declared with attribute error: wrong sized variable passed to swap
pseudoramiX.c: In function 'ProcPseudoramiXGetScreenCount':
pseudoramiX.c:250:62: error: call to 'wrong_size' declared with attribute error: wrong sized variable passed to swap
pseudoramiX.c: In function 'ProcPseudoramiXGetScreenSize':
pseudoramiX.c:283:56: error: call to 'wrong_size' declared with attribute error: wrong sized variable passed to swap
pseudoramiX.c:284:57: error: call to 'wrong_size' declared with attribute error: wrong sized variable passed to swap
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
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@ -212,10 +212,11 @@ ProcPseudoramiXGetState(ClientPtr client)
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.state = !noPseudoramiXExtension;
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rep.window = stuff->window;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swaps(&rep.state);
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swapl(&rep.window);
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}
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WriteToClient(client, sizeof(xPanoramiXGetStateReply),&rep);
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return Success;
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@ -241,10 +242,11 @@ ProcPseudoramiXGetScreenCount(ClientPtr client)
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.ScreenCount = pseudoramiXNumScreens;
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rep.window = stuff->window;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swaps(&rep.ScreenCount);
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swapl(&rep.window);
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}
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WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply),&rep);
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return Success;
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@ -261,6 +263,9 @@ ProcPseudoramiXGetScreenSize(ClientPtr client)
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TRACE();
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if (stuff->screen >= pseudoramiXNumScreens)
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return BadMatch;
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REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
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if (rc != Success)
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@ -274,11 +279,15 @@ ProcPseudoramiXGetScreenSize(ClientPtr client)
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// was screenInfo.screens[stuff->screen]->width;
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rep.height = pseudoramiXScreens[stuff->screen].h;
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// was screenInfo.screens[stuff->screen]->height;
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rep.window = stuff->window;
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rep.screen = stuff->screen;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swaps(&rep.width);
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swaps(&rep.height);
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swapl(&rep.width);
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swapl(&rep.height);
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swapl(&rep.window);
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swapl(&rep.screen);
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}
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WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply),&rep);
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return Success;
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