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57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/* $Xorg: QuExt.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */
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/*
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Copyright 1986, 1998 The Open Group
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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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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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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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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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/* $XFree86: xc/lib/X11/QuExt.c,v 1.3 2003/11/17 22:20:08 dawes Exp $ */
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#define NEED_REPLIES
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#include "Xlibint.h"
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Bool
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XQueryExtension(
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register Display *dpy,
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_Xconst char *name,
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int *major_opcode, /* RETURN */
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int *first_event, /* RETURN */
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int *first_error) /* RETURN */
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{
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xQueryExtensionReply rep;
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register xQueryExtensionReq *req;
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LockDisplay(dpy);
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GetReq(QueryExtension, req);
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req->nbytes = name ? strlen(name) : 0;
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req->length += (req->nbytes+(unsigned)3)>>2;
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_XSend(dpy, name, (long)req->nbytes);
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(void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
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*major_opcode = rep.major_opcode;
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*first_event = rep.first_event;
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*first_error = rep.first_error;
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UnlockDisplay(dpy);
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SyncHandle();
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return (rep.present);
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}
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