72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "Xlibint.h"
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Colormap *XListInstalledColormaps(
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register Display *dpy,
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Window win,
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int *n) /* RETURN */
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{
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unsigned long nbytes;
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Colormap *cmaps;
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xListInstalledColormapsReply rep;
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register xResourceReq *req;
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LockDisplay(dpy);
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GetResReq(ListInstalledColormaps, win, req);
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if(_XReply(dpy, (xReply *) &rep, 0, xFalse) == 0) {
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UnlockDisplay(dpy);
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SyncHandle();
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*n = 0;
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return((Colormap *) NULL);
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}
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if (rep.nColormaps) {
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nbytes = rep.nColormaps * sizeof(Colormap);
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cmaps = Xmalloc(nbytes);
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if (! cmaps) {
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_XEatDataWords(dpy, rep.length);
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UnlockDisplay(dpy);
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SyncHandle();
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return((Colormap *) NULL);
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}
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nbytes = rep.nColormaps << 2;
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_XRead32 (dpy, (long *) cmaps, nbytes);
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}
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else cmaps = (Colormap *) NULL;
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*n = rep.nColormaps;
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UnlockDisplay(dpy);
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SyncHandle();
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return(cmaps);
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}
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