77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <wchar.h>
|
|
#include <wctype.h>
|
|
|
|
#ifndef weak_alias
|
|
# define __wcsncasecmp wcsncasecmp
|
|
# define TOLOWER(Ch) towlower (Ch)
|
|
#else
|
|
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
|
|
# define __wcsncasecmp __wcsncasecmp_l
|
|
# define TOLOWER(Ch) __towlower_l ((Ch), loc)
|
|
# else
|
|
# define TOLOWER(Ch) towlower (Ch)
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef USE_IN_EXTENDED_LOCALE_MODEL
|
|
# define LOCALE_PARAM , loc
|
|
# define LOCALE_PARAM_DECL __locale_t loc;
|
|
#else
|
|
# define LOCALE_PARAM
|
|
# define LOCALE_PARAM_DECL
|
|
#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 LOCALE_PARAM)
|
|
const wchar_t *s1;
|
|
const wchar_t *s2;
|
|
size_t n;
|
|
LOCALE_PARAM_DECL
|
|
{
|
|
wint_t c1, c2;
|
|
|
|
if (s1 == s2 || n == 0)
|
|
return 0;
|
|
|
|
do
|
|
{
|
|
c1 = (wint_t) TOLOWER (*s1++);
|
|
c2 = (wint_t) TOLOWER (*s2++);
|
|
if (c1 == L'\0' || c1 != c2)
|
|
return c1 - c2;
|
|
} while (--n > 0);
|
|
|
|
return c1 - c2;
|
|
}
|
|
#ifndef __wcsncasecmp
|
|
weak_alias (__wcsncasecmp, wcsncasecmp)
|
|
#endif
|