154 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /* $Xorg: getvers.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */
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| 
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| /************************************************************
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| 
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| Copyright 1989, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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| 
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| 			All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its
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| documentation for any purpose and without fee is hereby granted,
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in
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| supporting documentation, and that the name of Hewlett-Packard not be
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| used in advertising or publicity pertaining to distribution of the
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| software without specific, written prior permission.
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| 
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| HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| SOFTWARE.
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| 
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| ********************************************************/
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| /* $XFree86: xc/programs/Xserver/Xi/getvers.c,v 3.3 2001/12/14 19:58:57 dawes Exp $ */
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| 
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| /***********************************************************************
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|  *
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|  * Extension function to return the version of the extension.
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|  *
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|  */
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| 
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| #define	 NEED_EVENTS
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| #define	 NEED_REPLIES
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| #include "X.h"				/* for inputstr.h    */
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| #include "Xproto.h"			/* Request macro     */
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| #include "inputstr.h"			/* DeviceIntPtr	     */
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| #include "XI.h"
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| #include "XIproto.h"
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| #include "extnsionst.h"
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| #include "extinit.h"			/* LookupDeviceIntRec */
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| #include "exglobals.h"
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| 
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| #include "getvers.h"
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| 
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| XExtensionVersion	AllExtensionVersions[128];
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| 
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| /***********************************************************************
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|  *
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|  * Handle a request from a client with a different byte order than us.
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|  *
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|  */
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| 
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| int
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| SProcXGetExtensionVersion(client)
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|     register ClientPtr client;
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|     {
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|     register char n;
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| 
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|     REQUEST(xGetExtensionVersionReq);
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|     swaps(&stuff->length, n);
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|     REQUEST_AT_LEAST_SIZE(xGetExtensionVersionReq);
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|     swaps(&stuff->nbytes, n);
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|     return(ProcXGetExtensionVersion(client));
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|     }
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| 
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| /***********************************************************************
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|  *
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|  * This procedure lists the input devices available to the server.
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|  *
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|  */
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| 
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| int
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| ProcXGetExtensionVersion (client)
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|     register ClientPtr client;
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|     {
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|     xGetExtensionVersionReply	rep;
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| 
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|     REQUEST(xGetExtensionVersionReq);
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|     REQUEST_AT_LEAST_SIZE(xGetExtensionVersionReq);
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| 
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|     if (stuff->length != (sizeof(xGetExtensionVersionReq) + 
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| 	stuff->nbytes + 3)>>2)
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| 	{
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| 	SendErrorToClient(client, IReqCode, X_GetExtensionVersion, 0, 
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| 		BadLength);
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| 	return Success;
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| 	}
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| 
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|     rep.repType = X_Reply;
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|     rep.RepType = X_GetExtensionVersion;
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|     rep.length = 0;
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|     rep.sequenceNumber = client->sequence;
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|     rep.major_version = 0;
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|     rep.minor_version = 0;
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| 
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|     rep.present = TRUE;
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|     if (rep.present)
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| 	{
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| 	rep.major_version = 
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| 	    AllExtensionVersions[IReqCode-128].major_version;
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| 	rep.minor_version = 
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| 	    AllExtensionVersions[IReqCode-128].minor_version;
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| 	}
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|     WriteReplyToClient (client, sizeof (xGetExtensionVersionReply), &rep);
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| 
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|     return Success;
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|     }
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| 
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| /***********************************************************************
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|  *
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|  * This procedure writes the reply for the XGetExtensionVersion function,
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|  * if the client and server have a different byte ordering.
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|  *
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|  */
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| 
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| void
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| SRepXGetExtensionVersion (client, size, rep)
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|     ClientPtr	client;
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|     int		size;
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|     xGetExtensionVersionReply	*rep;
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|     {
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|     register char n;
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| 
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|     swaps(&rep->sequenceNumber, n);
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|     swapl(&rep->length, n);
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|     swaps(&rep->major_version, n);
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|     swaps(&rep->minor_version, n);
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|     WriteToClient(client, size, (char *)rep);
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|     }
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