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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"
#include <stdio.h>
int
strcoll_l(const char *s1, const char *s2, locale_t locale)
{
int len, len2, prim, prim2, sec, sec2, ret, ret2;
const char *t, *t2;
char *tt, *tt2;
FIX_LOCALE(locale);
struct xlocale_collate *table =
(struct xlocale_collate*)locale->components[XLC_COLLATE];
if (table->__collate_load_error)
return strcmp(s1, s2);
len = len2 = 1;
ret = ret2 = 0;
if (table->__collate_substitute_nontrivial) {
t = tt = __collate_substitute(table, s1);
t2 = tt2 = __collate_substitute(table, s2);
} else {
tt = tt2 = NULL;
t = s1;
t2 = s2;
}
while(*t && *t2) {
prim = prim2 = 0;
while(*t && !prim) {
__collate_lookup(table, t, &len, &prim, &sec);
t += len;
}
while(*t2 && !prim2) {
__collate_lookup(table, t2, &len2, &prim2, &sec2);
t2 += len2;
}
if(!prim || !prim2)
break;
if(prim != prim2) {
ret = prim - prim2;
goto end;
}
if(!ret2)
ret2 = sec - sec2;
}
if(!*t && *t2)
ret = -(int)((u_char)*t2);
else if(*t && !*t2)
ret = (u_char)*t;
else if(!*t && !*t2)
ret = ret2;
end:
free(tt);
free(tt2);
return ret;
}
int
strcoll(const char *s1, const char *s2)
{
return strcoll_l(s1, s2, __get_locale());
}
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