63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/* $NetBSD: wcscasecmp.c,v 1.3 2013/04/18 23:24:27 joerg Exp $ */
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/*
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* Copyright (C) 2006 Aleksey Cheusov
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee. Permission to modify the code and to distribute modified
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* code is also granted without any restrictions.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: wcscasecmp.c,v 1.3 2013/04/18 23:24:27 joerg Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include "namespace.h"
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#include <assert.h>
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#include <wchar.h>
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#include <wctype.h>
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#include <locale.h>
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#include "setlocale_local.h"
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__weak_alias(wcscasecmp,_wcscasecmp)
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__weak_alias(wcscasecmp_l,_wcscasecmp_l)
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int
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wcscasecmp_l(const wchar_t *s1, const wchar_t *s2, locale_t loc)
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{
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int lc1 = 0;
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int lc2 = 0;
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int diff = 0;
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if (loc == NULL)
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loc = _C_locale;
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_DIAGASSERT(s1);
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_DIAGASSERT(s2);
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for (;;) {
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lc1 = towlower_l(*s1, loc);
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lc2 = towlower_l(*s2, loc);
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diff = lc1 - lc2;
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if (diff)
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return diff;
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if (!lc1)
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return 0;
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++s1;
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++s2;
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}
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}
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int
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wcscasecmp(const wchar_t *s1, const wchar_t *s2)
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{
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return wcscasecmp_l(s1, s2, *_current_locale());
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}
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