diff options
author | marha <marha@users.sourceforge.net> | 2009-09-06 18:48:27 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2009-09-06 18:48:27 +0000 |
commit | a915739887477b28d924ecc8417ee107d125bd6c (patch) | |
tree | c02f315476b61892d1fd89182e18943dce8d6277 /xorg-server/Xi/xiqueryversion.c | |
parent | 6f25a23db1df27e992c34f6fd4c82e83c44fc2e2 (diff) | |
download | vcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.tar.gz vcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.tar.bz2 vcxsrv-a915739887477b28d924ecc8417ee107d125bd6c.zip |
Switched to xorg-server-1.6.99.900.tar.gz
Diffstat (limited to 'xorg-server/Xi/xiqueryversion.c')
-rw-r--r-- | xorg-server/Xi/xiqueryversion.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/xorg-server/Xi/xiqueryversion.c b/xorg-server/Xi/xiqueryversion.c new file mode 100644 index 000000000..ae63297da --- /dev/null +++ b/xorg-server/Xi/xiqueryversion.c @@ -0,0 +1,128 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Peter Hutterer + * + */ + +/** + * @file xiqueryversion.c + * Protocol handling for the XIQueryVersion request/reply. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + + +#include "inputstr.h" + +#include <X11/Xmd.h> +#include <X11/X.h> +#include <X11/extensions/XI2proto.h> + +#include "exglobals.h" +#include "exevents.h" +#include "xiqueryversion.h" +#include "misc.h" + +extern XExtensionVersion XIVersion; /* defined in getvers.c */ +/** + * Return the supported XI version. + * + * Saves the version the client claims to support as well, for future + * reference. + */ +int +ProcXIQueryVersion(ClientPtr client) +{ + xXIQueryVersionReply rep; + XIClientPtr pXIClient; + int major, minor; + unsigned int sversion, cversion; + + REQUEST(xXIQueryVersionReq); + REQUEST_SIZE_MATCH(xXIQueryVersionReq); + + /* This request only exists after XI2 */ + if (stuff->major_version < 2) + { + client->errorValue = stuff->major_version; + return BadValue; + } + + pXIClient = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey); + + sversion = XIVersion.major_version * 1000 + XIVersion.minor_version; + cversion = stuff->major_version * 1000 + stuff->minor_version; + + if (sversion > cversion) + { + major = stuff->major_version; + minor = stuff->minor_version; + } else + { + major = XIVersion.major_version; + minor = XIVersion.minor_version; + } + + pXIClient->major_version = major; + pXIClient->minor_version = minor; + + memset(&rep, 0, sizeof(xXIQueryVersionReply)); + rep.repType = X_Reply; + rep.RepType = X_XIQueryVersion; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.major_version = major; + rep.minor_version = minor; + + WriteReplyToClient(client, sizeof(xXIQueryVersionReply), &rep); + + return Success; +} + +/* Swapping routines */ + +int +SProcXIQueryVersion(ClientPtr client) +{ + char n; + + REQUEST(xXIQueryVersionReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xXIQueryVersionReq); + swaps(&stuff->major_version, n); + swaps(&stuff->minor_version, n); + return (ProcXIQueryVersion(client)); +} + +void +SRepXIQueryVersion(ClientPtr client, int size, xXIQueryVersionReply *rep) +{ + char n; + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->major_version, n); + swaps(&rep->minor_version, n); + WriteToClient(client, size, (char *)rep); +} |