1/*- 2 * Copyright (c) 2009 David Schultz <das@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: src/lib/libc/string/wcsncasecmp.c,v 1.1 2009/02/28 06:00:58 das Exp $"); 29 30#include "xlocale_private.h" 31 32#include <wchar.h> 33#include <wctype.h> 34 35int 36wcsncasecmp_l(const wchar_t *s1, const wchar_t *s2, size_t n, locale_t loc) 37{ 38 wchar_t c1, c2; 39 40 if (n == 0) 41 return (0); 42 for (; *s1; s1++, s2++) { 43 c1 = towlower_l(*s1, loc); 44 c2 = towlower_l(*s2, loc); 45 if (c1 != c2) 46 return ((int)c1 - c2); 47 if (--n == 0) 48 return (0); 49 } 50 return (-*s2); 51} 52 53int 54wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n) { 55 return wcsncasecmp_l(s1, s2, n, __current_locale()); 56} 57 58