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-rw-r--r--libX11/src/StrToText.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/libX11/src/StrToText.c b/libX11/src/StrToText.c
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+/* $Xorg: StrToText.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */
+/*
+
+Copyright 1989, 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 <X11/Xlibint.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+
+/*
+ * XStringListToTextProperty - fill in TextProperty structure with
+ * concatenated list of null-separated strings. Return True if successful
+ * else False. Allocate room on end for trailing NULL, but don't include in
+ * count.
+ */
+
+Status XStringListToTextProperty (
+ char **argv,
+ int argc,
+ XTextProperty *textprop)
+{
+ register int i;
+ register unsigned int nbytes;
+ XTextProperty proto;
+
+ /* figure out how much space we'll need for this list */
+ for (i = 0, nbytes = 0; i < argc; i++) {
+ nbytes += (unsigned) ((argv[i] ? strlen (argv[i]) : 0) + 1);
+ }
+
+ /* fill in a prototype containing results so far */
+ proto.encoding = XA_STRING;
+ proto.format = 8;
+ if (nbytes)
+ proto.nitems = nbytes - 1; /* subtract one for trailing <NUL> */
+ else
+ proto.nitems = 0;
+ proto.value = NULL;
+
+ /* build concatenated list of strings */
+ if (nbytes > 0) {
+ register char *buf = Xmalloc (nbytes);
+ if (!buf) return False;
+
+ proto.value = (unsigned char *) buf;
+ for (i = 0; i < argc; i++) {
+ char *arg = argv[i];
+
+ if (arg) {
+ (void) strcpy (buf, arg);
+ buf += (strlen (arg) + 1);
+ } else {
+ *buf++ = '\0';
+ }
+ }
+ } else {
+ proto.value = (unsigned char *) Xmalloc (1); /* easier for client */
+ if (!proto.value) return False;
+
+ proto.value[0] = '\0';
+ }
+
+ /* we were successful, so set return value */
+ *textprop = proto;
+ return True;
+}