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/* $OpenBSD: wcscasecmp.c,v 1.1 2011/05/28 15:16:46 espie Exp $ */ |
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/* |
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* Copyright (c) 2011 Marc Espie |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD |
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* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include <wchar.h> |
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#include <wctype.h> |
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#include "locale/runetype.h" |
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int |
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wcscasecmp(const wchar_t *s1, const char *s2) |
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{ |
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wchar_t l1, l2; |
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while ((l1 = towlower(*s1++)) == (l2 = towlower(*s2++))) { |
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if (l1 == 0) |
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return (0); |
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} |
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/* XXX assumes wchar_t = int */ |
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return ((rune_t)l1 - (rune_t)l2); |
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} |
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int |
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wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n) |
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{ |
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wchar_t l1, l2; |
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if (n == 0) |
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return (0); |
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do { |
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if (((l1 = towlower(*s1++))) != (l2 = towlower(*s2++))) { |
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/* XXX assumes wchar_t = int */ |
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return ((rune_t)l1 - (rune_t)l2); |
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} |
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if (l1 == 0) |
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break; |
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} while (--n != 0); |
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return (0); |
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} |