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OS/2 Shareware BBS: 10 Tools
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x11
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Xlib_StrToText.c
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1999-11-02
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/* $XConsortium: StrToText.c,v 1.5 94/04/17 20:21:13 gildea Exp $ */
/*
Copyright (c) 1989 X Consortium
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
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
X CONSORTIUM 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 X Consortium 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 X Consortium.
*/
#include "Xlib_private.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 (argv, argc, textprop)
char **argv;
int argc;
XTextProperty *textprop;
{
DBUG_ENTER("XStringListToTextProperty")
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) DBUG_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) DBUG_RETURN(False);
proto.value[0] = '\0';
}
/* we were successful, so set return value */
*textprop = proto;
DBUG_RETURN(True);
}