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/* Compare at most N wide characters of two strings without taking care
for the case.
Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <wchar.h>
#include <wctype.h>
#ifndef weak_alias
# define __wcsncasecmp wcsncasecmp
#endif
/* Compare no more than N wide characters of S1 and S2,
ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less
than, equal to or greater than S2. */
int
__wcsncasecmp (s1, s2, n)
const wchar_t *s1;
const wchar_t *s2;
size_t n;
{
wint_t c1, c2;
if (s1 == s2 || n == 0)
return 0;
do
{
c1 = (wint_t) towlower (*s1++);
c2 = (wint_t) towlower (*s2++);
if (c1 == L'\0' || c1 != c2)
return c1 - c2;
} while (--n > 0);
return c1 - c2;
}
#ifdef weak_alias
weak_alias (__wcsncasecmp, wcsncasecmp)
#endif
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