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-rw-r--r--libX11/src/QuTree.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/libX11/src/QuTree.c b/libX11/src/QuTree.c
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+++ b/libX11/src/QuTree.c
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+/* $Xorg: QuTree.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */
+/*
+
+Copyright 1986, 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.
+
+*/
+/* $XFree86: xc/lib/X11/QuTree.c,v 1.5 2001/01/17 19:41:42 dawes Exp $ */
+
+#define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+Status XQueryTree (
+ register Display *dpy,
+ Window w,
+ Window *root, /* RETURN */
+ Window *parent, /* RETURN */
+ Window **children, /* RETURN */
+ unsigned int *nchildren) /* RETURN */
+{
+ long nbytes;
+ xQueryTreeReply rep;
+ register xResourceReq *req;
+
+ LockDisplay(dpy);
+ GetResReq(QueryTree, w, req);
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (0);
+ }
+
+ *children = (Window *) NULL;
+ if (rep.nChildren != 0) {
+ nbytes = rep.nChildren * sizeof(Window);
+ *children = (Window *) Xmalloc((unsigned) nbytes);
+ nbytes = rep.nChildren << 2;
+ if (! *children) {
+ _XEatData(dpy, (unsigned long) nbytes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (0);
+ }
+ _XRead32 (dpy, (long *) *children, nbytes);
+ }
+ *parent = rep.parent;
+ *root = rep.root;
+ *nchildren = rep.nChildren;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (1);
+}
+