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-rw-r--r--nx-X11/lib/X11/cmsProp.c152
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diff --git a/nx-X11/lib/X11/cmsProp.c b/nx-X11/lib/X11/cmsProp.c
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+++ b/nx-X11/lib/X11/cmsProp.c
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+/* $Xorg: cmsProp.c,v 1.3 2000/08/17 19:45:10 cpqbld Exp $ */
+
+/*
+ *
+ * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
+ * All Rights Reserved
+ *
+ * This file is a component of an X Window System-specific implementation
+ * of Xcms based on the TekColor Color Management System. Permission is
+ * hereby granted to use, copy, modify, sell, and otherwise distribute this
+ * software and its documentation for any purpose and without fee, provided
+ * that this copyright, permission, and disclaimer notice is reproduced in
+ * all copies of this software and in supporting documentation. TekColor
+ * is a trademark of Tektronix, Inc.
+ *
+ * Tektronix makes no representation about the suitability of this software
+ * for any purpose. It is provided "as is" and with all faults.
+ *
+ * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
+ * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
+ *
+ * NAME
+ * XcmsProp.c
+ *
+ * DESCRIPTION
+ * This utility routines for manipulating properties.
+ *
+ */
+/* $XFree86$ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xatom.h>
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ * *
+ * API PRIVATE ROUTINES *
+ * *
+ ************************************************************************/
+
+
+/*
+ * NAME
+ * _XcmsGetElement -- get an element value from the property passed
+ *
+ * SYNOPSIS
+ */
+unsigned long
+_XcmsGetElement(
+ int format,
+ char **pValue,
+ unsigned long *pCount)
+/*
+ * DESCRIPTION
+ * Get the next element from the property and return it.
+ * Also increment the pointer the amount needed.
+ *
+ * Returns
+ * unsigned long
+ */
+{
+ unsigned long value;
+
+ switch (format) {
+ case 32:
+ value = *((unsigned long *)(*pValue)) & 0xFFFFFFFF;
+ *pValue += sizeof(unsigned long);
+ *pCount -= 1;
+ break;
+ case 16:
+ value = *((unsigned short *)(*pValue));
+ *pValue += sizeof(unsigned short);
+ *pCount -= 1;
+ break;
+ case 8:
+ value = *((unsigned char *) (*pValue));
+ *pValue += 1;
+ *pCount -= 1;
+ break;
+ default:
+ value = 0;
+ break;
+ }
+ return(value);
+}
+
+
+/*
+ * NAME
+ * _XcmsGetProperty -- Determine the existance of a property
+ *
+ * SYNOPSIS
+ */
+int
+_XcmsGetProperty(
+ Display *pDpy,
+ Window w,
+ Atom property,
+ int *pFormat,
+ unsigned long *pNItems,
+ unsigned long *pNBytes,
+ char **pValue)
+/*
+ * DESCRIPTION
+ *
+ * Returns
+ * 0 if property does not exist.
+ * 1 if property exists.
+ */
+{
+ char *prop_ret;
+ int format_ret;
+ long len = 6516;
+ #ifdef NXAGENT_SERVER
+ unsigned long nitems_ret, after_ret = 0;
+ #else
+ unsigned long nitems_ret, after_ret;
+ #endif
+ Atom atom_ret;
+
+ while (XGetWindowProperty (pDpy, w, property, 0, len, False,
+ XA_INTEGER, &atom_ret, &format_ret,
+ &nitems_ret, &after_ret,
+ (unsigned char **)&prop_ret)) {
+ if (after_ret > 0) {
+ len += nitems_ret * (format_ret >> 3);
+ XFree (prop_ret);
+ } else {
+ break;
+ }
+ }
+ if (format_ret == 0 || nitems_ret == 0) {
+ /* the property does not exist or is of an unexpected type */
+ return(XcmsFailure);
+ }
+
+ *pFormat = format_ret;
+ *pNItems = nitems_ret;
+ *pNBytes = nitems_ret * (format_ret >> 3);
+ *pValue = prop_ret;
+ return(XcmsSuccess);
+}