1295a1272a
Our IcuCaseFold() fallback using strxfrm() is not actually case insensitive. This commit fixes the problem by switching to strcasecmp(). That function is not guaranteed to support UTF-8, but it's the best we can do in this sparse situation. Closes #111
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "Compare.hxx"
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#include "CaseFold.hxx"
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#include "util/StringAPI.hxx"
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#include <string.h>
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#ifdef HAVE_ICU_CASE_FOLD
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IcuCompare::IcuCompare(const char *_needle) noexcept
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:needle(IcuCaseFold(_needle)) {}
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#else
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IcuCompare::IcuCompare(const char *_needle) noexcept
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:needle(AllocatedString<>::Duplicate(_needle)) {}
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#endif
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bool
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IcuCompare::operator==(const char *haystack) const noexcept
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{
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#ifdef HAVE_ICU_CASE_FOLD
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return StringIsEqual(IcuCaseFold(haystack).c_str(), needle.c_str());
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#else
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return strcasecmp(haystack, needle.c_str());
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#endif
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}
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bool
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IcuCompare::IsIn(const char *haystack) const noexcept
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{
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#ifdef HAVE_ICU_CASE_FOLD
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return StringFind(IcuCaseFold(haystack).c_str(),
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needle.c_str()) != nullptr;
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#elif defined(HAVE_STRCASESTR)
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return strcasestr(haystack, needle.c_str()) != nullptr;
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#else
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/* poor man's strcasestr() */
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for (const size_t length = strlen(needle.c_str());
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*haystack != 0; ++haystack)
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if (strncasecmp(haystack, needle.c_str(), length) == 0)
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return true;
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return false;
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#endif
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}
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