mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-11-30 09:35:43 +00:00
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 2011-2016 Dag-Erling Smørgrav
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote
|
||
|
|
* products derived from this software without specific prior written
|
||
|
|
* permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "cryb/impl.h"
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <wchar.h>
|
||
|
|
|
||
|
|
#include <cryb/wcslcat.h>
|
||
|
|
|
||
|
|
/* like wcscat(3), but always NUL-terminates; returns wcslen(src) */
|
||
|
|
size_t
|
||
|
|
cryb_wcslcat(wchar_t *dst, const wchar_t *src, size_t size)
|
||
|
|
{
|
||
|
|
size_t len;
|
||
|
|
|
||
|
|
for (len = 0; *dst && len < size; ++len, ++dst)
|
||
|
|
/* nothing */;
|
||
|
|
for (; *src && len + 1 < size; ++len, ++src, ++dst)
|
||
|
|
*dst = *src;
|
||
|
|
if (len < size)
|
||
|
|
*dst = '\0';
|
||
|
|
while (*src)
|
||
|
|
++len, ++src;
|
||
|
|
return (len);
|
||
|
|
}
|