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