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/*-
* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
* at Electronni Visti IA, Kiev, Ukraine.
* All rights reserved.
*
* Copyright (c) 2011 The FreeBSD Foundation
* All rights reserved.
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdlib.h>
#include <string.h>
#include "collate.h"
size_t
strxfrm_l(char * __restrict dest, const char * __restrict src, size_t len, locale_t loc);
size_t
strxfrm(char * __restrict dest, const char * __restrict src, size_t len)
{
return strxfrm_l(dest, src, len, __get_locale());
}
size_t
strxfrm_l(char * __restrict dest, const char * __restrict src, size_t len, locale_t locale)
{
int prim, sec, l;
size_t slen;
char *s, *ss;
FIX_LOCALE(locale);
struct xlocale_collate *table =
(struct xlocale_collate*)locale->components[XLC_COLLATE];
if (!*src) {
if (len > 0)
*dest = '\0';
return 0;
}
if (table->__collate_load_error)
return strlcpy(dest, src, len);
slen = 0;
prim = sec = 0;
ss = s = __collate_substitute(table, src);
while (*s) {
while (*s && !prim) {
__collate_lookup(table, s, &l, &prim, &sec);
s += l;
}
if (prim) {
if (len > 1) {
*dest++ = (char)prim;
len--;
}
slen++;
prim = 0;
}
}
free(ss);
if (len > 0)
*dest = '\0';
return slen;
}
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