IABSD.fr/xenocara/xserver/Xext/xcmisc.c

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• Author : matthieu
  Date : 2006-11-26 18:13:41
  Hash : 889b8606
  Message : Importing xserver from X.Org 7.2RC2

• xserver/Xext/xcmisc.c

• /*
  
  Copyright 1993, 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.
  
  */
  
  #define NEED_EVENTS
  #define NEED_REPLIES
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include <X11/X.h>
  #include <X11/Xproto.h>
  #include "misc.h"
  #include "os.h"
  #include "dixstruct.h"
  #include "extnsionst.h"
  #include "swaprep.h"
  #include <X11/extensions/xcmiscstr.h>
  #include "modinit.h"
  
  #if 0
  static unsigned char XCMiscCode;
  #endif
  
  static void XCMiscResetProc(
      ExtensionEntry * /* extEntry */
  );
  
  static DISPATCH_PROC(ProcXCMiscDispatch);
  static DISPATCH_PROC(ProcXCMiscGetVersion);
  static DISPATCH_PROC(ProcXCMiscGetXIDList);
  static DISPATCH_PROC(ProcXCMiscGetXIDRange);
  static DISPATCH_PROC(SProcXCMiscDispatch);
  static DISPATCH_PROC(SProcXCMiscGetVersion);
  static DISPATCH_PROC(SProcXCMiscGetXIDList);
  static DISPATCH_PROC(SProcXCMiscGetXIDRange);
  
  void
  XCMiscExtensionInit(INITARGS)
  {
  #if 0
      ExtensionEntry *extEntry;
  
      if ((extEntry = AddExtension(XCMiscExtensionName, 0, 0,
  				ProcXCMiscDispatch, SProcXCMiscDispatch,
  				XCMiscResetProc, StandardMinorOpcode)) != 0)
  	XCMiscCode = (unsigned char)extEntry->base;
  #else
      (void) AddExtension(XCMiscExtensionName, 0, 0,
  			ProcXCMiscDispatch, SProcXCMiscDispatch,
  			XCMiscResetProc, StandardMinorOpcode);
  #endif
  
      DeclareExtensionSecurity(XCMiscExtensionName, TRUE);
  }
  
  /*ARGSUSED*/
  static void
  XCMiscResetProc (extEntry)
      ExtensionEntry	*extEntry;
  {
  }
  
  static int
  ProcXCMiscGetVersion(client)
      register ClientPtr client;
  {
      xXCMiscGetVersionReply rep;
      register int n;
  
      REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
      rep.type = X_Reply;
      rep.length = 0;
      rep.sequenceNumber = client->sequence;
      rep.majorVersion = XCMiscMajorVersion;
      rep.minorVersion = XCMiscMinorVersion;
      if (client->swapped) {
      	swaps(&rep.sequenceNumber, n);
  	swaps(&rep.majorVersion, n);
  	swaps(&rep.minorVersion, n);
      }
      WriteToClient(client, sizeof(xXCMiscGetVersionReply), (char *)&rep);
      return(client->noClientException);
  }
  
  static int
  ProcXCMiscGetXIDRange(client)
      register ClientPtr client;
  {
      xXCMiscGetXIDRangeReply rep;
      register int n;
      XID min_id, max_id;
  
      REQUEST_SIZE_MATCH(xXCMiscGetXIDRangeReq);
      GetXIDRange(client->index, FALSE, &min_id, &max_id);
      rep.type = X_Reply;
      rep.length = 0;
      rep.sequenceNumber = client->sequence;
      rep.start_id = min_id;
      rep.count = max_id - min_id + 1;
      if (client->swapped) {
      	swaps(&rep.sequenceNumber, n);
  	swapl(&rep.start_id, n);
  	swapl(&rep.count, n);
      }
      WriteToClient(client, sizeof(xXCMiscGetXIDRangeReply), (char *)&rep);
      return(client->noClientException);
  }
  
  static int
  ProcXCMiscGetXIDList(client)
      register ClientPtr client;
  {
      REQUEST(xXCMiscGetXIDListReq);
      xXCMiscGetXIDListReply rep;
      register int n;
      XID *pids;
      unsigned int count;
  
      REQUEST_SIZE_MATCH(xXCMiscGetXIDListReq);
  
      pids = (XID *)ALLOCATE_LOCAL(stuff->count * sizeof(XID));
      if (!pids)
      {
  	return BadAlloc;
      }
      count = GetXIDList(client, stuff->count, pids);
      rep.type = X_Reply;
      rep.sequenceNumber = client->sequence;
      rep.length = count;
      rep.count = count;
      if (client->swapped) {
      	swaps(&rep.sequenceNumber, n);
  	swapl(&rep.length, n);
  	swapl(&rep.count, n);
      }
      WriteToClient(client, sizeof(xXCMiscGetXIDListReply), (char *)&rep);
      if (count)
      {
      	client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
  	WriteSwappedDataToClient(client, count * sizeof(XID), pids);
      }
      DEALLOCATE_LOCAL(pids);
      return(client->noClientException);
  }
  
  static int
  ProcXCMiscDispatch (client)
      register ClientPtr	client;
  {
      REQUEST(xReq);
      switch (stuff->data)
      {
      case X_XCMiscGetVersion:
  	return ProcXCMiscGetVersion(client);
      case X_XCMiscGetXIDRange:
  	return ProcXCMiscGetXIDRange(client);
      case X_XCMiscGetXIDList:
  	return ProcXCMiscGetXIDList(client);
      default:
  	return BadRequest;
      }
  }
  
  static int
  SProcXCMiscGetVersion(client)
      register ClientPtr	client;
  {
      register int n;
      REQUEST(xXCMiscGetVersionReq);
  
      swaps(&stuff->length, n);
      REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
      swaps(&stuff->majorVersion, n);
      swaps(&stuff->minorVersion, n);
      return ProcXCMiscGetVersion(client);
  }
  
  static int
  SProcXCMiscGetXIDRange(client)
      register ClientPtr	client;
  {
      register int n;
      REQUEST(xReq);
  
      swaps(&stuff->length, n);
      return ProcXCMiscGetXIDRange(client);
  }
  
  static int
  SProcXCMiscGetXIDList(client)
      register ClientPtr	client;
  {
      register int n;
      REQUEST(xXCMiscGetXIDListReq);
  
      swaps(&stuff->length, n);
      swapl(&stuff->count, n);
      return ProcXCMiscGetXIDList(client);
  }
  
  static int
  SProcXCMiscDispatch (client)
      register ClientPtr	client;
  {
      REQUEST(xReq);
      switch (stuff->data)
      {
      case X_XCMiscGetVersion:
  	return SProcXCMiscGetVersion(client);
      case X_XCMiscGetXIDRange:
  	return SProcXCMiscGetXIDRange(client);
      case X_XCMiscGetXIDList:
  	return SProcXCMiscGetXIDList(client);
      default:
  	return BadRequest;
      }
  }