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-rw-r--r--libX11/src/QuColors.c176
1 files changed, 99 insertions, 77 deletions
diff --git a/libX11/src/QuColors.c b/libX11/src/QuColors.c
index 3aa2838ac..237b8bf03 100644
--- a/libX11/src/QuColors.c
+++ b/libX11/src/QuColors.c
@@ -1,77 +1,99 @@
-/*
-
-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.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "Xlibint.h"
-
-int
-XQueryColors(
- register Display *dpy,
- Colormap cmap,
- XColor *defs, /* RETURN */
- int ncolors)
-{
- register int i;
- xrgb *color;
- xQueryColorsReply rep;
- long nbytes;
- register xQueryColorsReq *req;
-
- LockDisplay(dpy);
- GetReq(QueryColors, req);
-
- req->cmap = cmap;
- req->length += ncolors; /* each pixel is a CARD32 */
-
- for (i = 0; i < ncolors; i++)
- Data32 (dpy, (long *)&defs[i].pixel, 4L);
- /* XXX this isn't very efficient */
-
- if (_XReply(dpy, (xReply *) &rep, 0, xFalse) != 0) {
- if ((color = (xrgb *)
- Xmalloc((unsigned) (nbytes = (long) ncolors * SIZEOF(xrgb))))) {
-
- _XRead(dpy, (char *) color, nbytes);
-
- for (i = 0; i < ncolors; i++) {
- register XColor *def = &defs[i];
- register xrgb *rgb = &color[i];
- def->red = rgb->red;
- def->green = rgb->green;
- def->blue = rgb->blue;
- def->flags = DoRed | DoGreen | DoBlue;
- }
- Xfree((char *)color);
- }
- else _XEatData(dpy, (unsigned long) nbytes);
- }
- UnlockDisplay(dpy);
- SyncHandle();
- return 1;
-}
-
+/*
+
+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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+static void
+_XQueryColors(
+ register Display *dpy,
+ Colormap cmap,
+ XColor *defs, /* RETURN */
+ int ncolors)
+{
+ register int i;
+ xrgb *color;
+ xQueryColorsReply rep;
+ long nbytes;
+ register xQueryColorsReq *req;
+
+ GetReq(QueryColors, req);
+
+ req->cmap = cmap;
+ SetReqLen(req, ncolors, ncolors); /* each pixel is a CARD32 */
+
+ for (i = 0; i < ncolors; i++)
+ Data32 (dpy, (long *)&defs[i].pixel, 4L);
+ /* XXX this isn't very efficient */
+
+ if (_XReply(dpy, (xReply *) &rep, 0, xFalse) != 0) {
+ if ((color = (xrgb *)
+ Xmalloc((unsigned) (nbytes = (long) ncolors * SIZEOF(xrgb))))) {
+
+ _XRead(dpy, (char *) color, nbytes);
+
+ for (i = 0; i < ncolors; i++) {
+ register XColor *def = &defs[i];
+ register xrgb *rgb = &color[i];
+ def->red = rgb->red;
+ def->green = rgb->green;
+ def->blue = rgb->blue;
+ def->flags = DoRed | DoGreen | DoBlue;
+ }
+ Xfree((char *)color);
+ }
+ else _XEatData(dpy, (unsigned long) nbytes);
+ }
+}
+
+int
+XQueryColors(
+ register Display * const dpy,
+ const Colormap cmap,
+ XColor *defs, /* RETURN */
+ int ncolors)
+{
+ int n;
+
+ if (dpy->bigreq_size > 0)
+ n = dpy->bigreq_size - (sizeof (xQueryColorsReq) >> 2) - 1;
+ else
+ n = dpy->max_request_size - (sizeof (xQueryColorsReq) >> 2);
+
+ LockDisplay(dpy);
+ while (ncolors >= n) {
+ _XQueryColors(dpy, cmap, defs, n);
+ defs += n;
+ ncolors -= n;
+ }
+ if (ncolors > 0)
+ _XQueryColors(dpy, cmap, defs, ncolors);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 1;
+}