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/**
* @file
* For systems lacking wcscasecmp()
*
* @authors
* Copyright (C) 2009 Rocco Rutte <pdmef@gmx.net>
*
* @copyright
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @page neo_wcscasecmp For systems lacking wcscasecmp()
*
* For systems lacking wcscasecmp()
*/
#include "config.h"
#include <wchar.h>
#include <wctype.h>
/**
* wcscasecmp - Compare two wide-character strings, ignoring case
* @param a First string
* @param b Second string
* @retval -1 a precedes b
* @retval 0 a and b are identical
* @retval 1 b precedes a
*/
int wcscasecmp(const wchar_t *a, const wchar_t *b)
{
if (!a && !b)
return 0;
if (!a && b)
return -1;
if (a && !b)
return 1;
for (; *a || *b; a++, b++)
{
int i = towlower(*a);
if ((i - towlower(*b)) != 0)
return i;
}
return 0;
}
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