XQuartz: appledri: Fix byte swapping in replies

Even though it's only valid when local, it is possible for a local
client and the server to not match endianness, such as when running
a ppc application under Rosetta.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
(cherry picked from commit 14205ade0c)

Conflicts:

	hw/xquartz/xpr/appledri.c

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
(cherry picked from commit 0ad049706d)
This commit is contained in:
Jeremy Huddleston 2011-10-20 22:34:44 -07:00
parent 1987c90aa4
commit d9e2718220

View file

@ -91,7 +91,6 @@ ProcAppleDRIQueryVersion(
)
{
xAppleDRIQueryVersionReply rep;
register int n;
REQUEST_SIZE_MATCH(xAppleDRIQueryVersionReq);
rep.type = X_Reply;
@ -101,8 +100,12 @@ ProcAppleDRIQueryVersion(
rep.minorVersion = SERVER_APPLEDRI_MINOR_VERSION;
rep.patchVersion = SERVER_APPLEDRI_PATCH_VERSION;
if (client->swapped) {
register int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swaps(&rep.majorVersion, n);
swaps(&rep.minorVersion, n);
swapl(&rep.patchVersion, n);
}
WriteToClient(client, sizeof(xAppleDRIQueryVersionReply), (char *)&rep);
return Success;
@ -134,6 +137,12 @@ ProcAppleDRIQueryDirectRenderingCapable(
if (!LocalClient(client))
rep.isCapable = 0;
if (client->swapped) {
register int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
}
WriteToClient(client,
sizeof(xAppleDRIQueryDirectRenderingCapableReply), (char *)&rep);
return Success;
@ -158,6 +167,14 @@ ProcAppleDRIAuthConnection(
ErrorF("Failed to authenticate %u\n", (unsigned int)stuff->magic);
rep.authenticated = 0;
}
if (client->swapped) {
register int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.authenticated, n); /* Yes, this is a CARD32 ... sigh */
}
WriteToClient(client, sizeof(xAppleDRIAuthConnectionReply), (char *)&rep);
return Success;
}
@ -217,6 +234,15 @@ ProcAppleDRICreateSurface(
rep.key_1 = key[1];
rep.uid = sid;
if (client->swapped) {
register int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.key_0, n);
swapl(&rep.key_1, n);
swapl(&rep.uid, n);
}
WriteToClient(client, sizeof(xAppleDRICreateSurfaceReply), (char *)&rep);
return Success;
}
@ -278,7 +304,6 @@ ProcAppleDRICreatePixmap(ClientPtr client)
rep.stringLength = strlen(path) + 1;
/* No need for swapping, because this only runs if LocalClient is true. */
rep.type = X_Reply;
rep.length = bytes_to_int32(rep.stringLength);
rep.sequenceNumber = client->sequence;
@ -291,8 +316,20 @@ ProcAppleDRICreatePixmap(ClientPtr client)
if(sizeof(rep) != sz_xAppleDRICreatePixmapReply)
ErrorF("error sizeof(rep) is %zu\n", sizeof(rep));
WriteReplyToClient(client, sizeof(rep), &rep);
(void)WriteToClient(client, rep.stringLength, path);
if (client->swapped) {
register int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.stringLength, n);
swapl(&rep.width, n);
swapl(&rep.height, n);
swapl(&rep.pitch, n);
swapl(&rep.bpp, n);
swapl(&rep.size, n);
}
WriteToClient(client, sizeof(rep), &rep);
WriteToClient(client, rep.stringLength, path);
return Success;
}