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+/* $Xorg: getvers.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */
+
+/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice 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
+OPEN GROUP 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.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/programs/Xserver/Xi/getvers.c,v 3.2 2001/01/17 22:13:25 dawes Exp $ */
+
+/***********************************************************************
+ *
+ * Extension function to return the version of the extension.
+ *
+ */
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h> /* for inputstr.h */
+#include <X11/Xproto.h> /* Request macro */
+#include "inputstr.h" /* DeviceIntPtr */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "extnsionst.h"
+#include "extinit.h" /* LookupDeviceIntRec */
+#include "exglobals.h"
+
+#include "getvers.h"
+
+XExtensionVersion AllExtensionVersions[128];
+
+/***********************************************************************
+ *
+ * Handle a request from a client with a different byte order than us.
+ *
+ */
+
+int
+SProcXGetExtensionVersion(client)
+ register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xGetExtensionVersionReq);
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xGetExtensionVersionReq);
+ swaps(&stuff->nbytes, n);
+ return(ProcXGetExtensionVersion(client));
+ }
+
+/***********************************************************************
+ *
+ * This procedure lists the input devices available to the server.
+ *
+ */
+
+int
+ProcXGetExtensionVersion (client)
+ register ClientPtr client;
+ {
+ xGetExtensionVersionReply rep;
+
+ REQUEST(xGetExtensionVersionReq);
+ REQUEST_AT_LEAST_SIZE(xGetExtensionVersionReq);
+
+ if (stuff->length != (sizeof(xGetExtensionVersionReq) +
+ stuff->nbytes + 3)>>2)
+ {
+ SendErrorToClient(client, IReqCode, X_GetExtensionVersion, 0,
+ BadLength);
+ return Success;
+ }
+
+ rep.repType = X_Reply;
+ rep.RepType = X_GetExtensionVersion;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.major_version = 0;
+ rep.minor_version = 0;
+
+ rep.present = TRUE;
+ if (rep.present)
+ {
+ rep.major_version =
+ AllExtensionVersions[IReqCode-128].major_version;
+ rep.minor_version =
+ AllExtensionVersions[IReqCode-128].minor_version;
+ }
+ WriteReplyToClient (client, sizeof (xGetExtensionVersionReply), &rep);
+
+ return Success;
+ }
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XGetExtensionVersion function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXGetExtensionVersion (client, size, rep)
+ ClientPtr client;
+ int size;
+ xGetExtensionVersionReply *rep;
+ {
+ register 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);
+ }