IABSD.fr/xenocara/lib/libXi/src/XIQueryVersion.c

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• Author : matthieu
  Date : 2014-05-09 19:55:33
  Hash : 3be5e5d5
  Message : Update to libXi 1.7.2. Tested by ajacoutot@ against gnome.

• lib/libXi/src/XIQueryVersion.c

• /*
   * 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.
   *
   */
  
  
  #if HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <stdint.h>
  #include <X11/Xlibint.h>
  #include <X11/extensions/XI2proto.h>
  #include <X11/extensions/XInput2.h>
  #include <X11/extensions/extutil.h>
  #include "XIint.h"
  
  Status
  XIQueryVersion(Display *dpy, int *major_inout, int *minor_inout)
  {
      int rc = Success;
  
      XExtDisplayInfo *info = XInput_find_display(dpy);
  
      LockDisplay(dpy);
      rc = _xiQueryVersion(dpy, major_inout, minor_inout, info);
  
      UnlockDisplay(dpy);
      SyncHandle();
      return rc;
  }
  
  _X_HIDDEN Status
  _xiQueryVersion(Display * dpy, int *major, int *minor, XExtDisplayInfo *info)
  {
      xXIQueryVersionReq *req;
      xXIQueryVersionReply rep;
  
      /* This could mean either a malloc problem, or supported
          version < XInput_2_0 */
      if (_XiCheckExtInit(dpy, XInput_2_0, info) == -1)
      {
          XExtensionVersion *ext;
          XExtDisplayInfo *extinfo = XInput_find_display(dpy);
  
          if (!extinfo || !extinfo->data) {
              *major = 0;
              *minor = 0;
              return BadRequest;
          }
  
          ext = ((XInputData*)extinfo->data)->vers;
  
          *major = ext->major_version;
          *minor = ext->minor_version;
  	return BadRequest;
      }
  
      GetReq(XIQueryVersion, req);
      req->reqType = info->codes->major_opcode;
      req->ReqType = X_XIQueryVersion;
      req->major_version = *major;
      req->minor_version = *minor;
  
      if (!_XReply(dpy, (xReply*)&rep, 0, xTrue)) {
  	return BadImplementation;
      }
      *major = rep.major_version;
      *minor = rep.minor_version;
      return Success;
  }