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/* $OpenBSD: wcscasecmp_l.c,v 1.1 2017/09/05 03:16:14 schwarze Exp $ */
/*
* Copyright (c) 2011 Marc Espie
*
* 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 OPENBSD PROJECT 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 OPENBSD
* PROJECT 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 <wchar.h>
#include <wctype.h>
#include "locale/runetype.h"
int
wcscasecmp_l(const wchar_t *s1, const wchar_t *s2, locale_t locale)
{
wchar_t l1, l2;
while ((l1 = towlower_l(*s1++, locale)) ==
(l2 = towlower_l(*s2++, locale))) {
if (l1 == 0)
return (0);
}
/* XXX assumes wchar_t = int */
return ((rune_t)l1 - (rune_t)l2);
}
int
wcsncasecmp_l(const wchar_t *s1, const wchar_t *s2, size_t n, locale_t locale)
{
wchar_t l1, l2;
if (n == 0)
return (0);
do {
if (((l1 = towlower_l(*s1++, locale))) !=
(l2 = towlower_l(*s2++, locale))) {
/* XXX assumes wchar_t = int */
return ((rune_t)l1 - (rune_t)l2);
}
if (l1 == 0)
break;
} while (--n != 0);
return (0);
}
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