1 files changed, 99 insertions, 0 deletions
diff --git a/nx-X11/lib/src/ChProp.c b/nx-X11/lib/src/ChProp.c
new file mode 100644
index 000000000..190a224f8
--- /dev/null
+++ b/nx-X11/lib/src/ChProp.c
@@ -0,0 +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
+XChangeProperty (
+    register Display *dpy,
+    Window w,
+    Atom property,
+    Atom type,
+    int format,  /* 8, 16, or 32 */
+    int mode,  /* PropModeReplace, PropModePrepend, PropModeAppend */
+    _Xconst unsigned char *data,
+    int nelements)
+    {
+    register xChangePropertyReq *req;
+    register long len;
+
+    LockDisplay(dpy);
+    GetReq (ChangeProperty, req);
+    req->window = w;
+    req->property = property;
+    req->type = type;
+    req->mode = mode;
+    if (nelements < 0) {
+	req->nUnits = 0;
+	req->format = 0; /* ask for garbage, get garbage */
+    } else {
+	req->nUnits = nelements;
+	req->format = format;
+    }
+
+    switch (req->format) {
+      case 8:
+	len = ((long)nelements + 3)>>2;
+	if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) {
+	    SetReqLen(req, len, len);
+	    Data (dpy, (_Xconst char *)data, nelements);
+	} /* else force BadLength */
+        break;
+
+      case 16:
+	len = ((long)nelements + 1)>>1;
+	if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) {
+	    SetReqLen(req, len, len);
+	    len = (long)nelements << 1;
+	    Data16 (dpy, (_Xconst short *) data, len);
+	} /* else force BadLength */
+	break;
+
+      case 32:
+	len = nelements;
+	if (dpy->bigreq_size || req->length + len <= (unsigned) 65535) {
+	    SetReqLen(req, len, len);
+	    len = (long)nelements << 2;
+	    Data32 (dpy, (_Xconst long *) data, len);
+	} /* else force BadLength */
+	break;
+
+      default:
+        /* BadValue will be generated */ ;
+      }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return 1;
+    }
+
+
+
+
+