46 lines
1.5 KiB
C++
46 lines
1.5 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 "WStringCompare.hxx"
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bool
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StringEndsWith(const wchar_t *haystack, const wchar_t *needle) noexcept
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{
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const size_t haystack_length = StringLength(haystack);
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const size_t needle_length = StringLength(needle);
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return haystack_length >= needle_length &&
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StringIsEqual(haystack + haystack_length - needle_length, needle);
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}
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const wchar_t *
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FindStringSuffix(const wchar_t *p, const wchar_t *suffix) noexcept
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{
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const size_t p_length = StringLength(p);
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const size_t suffix_length = StringLength(suffix);
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if (p_length < suffix_length)
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return nullptr;
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const auto *q = p + p_length - suffix_length;
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return memcmp(q, suffix, suffix_length * sizeof(*suffix)) == 0
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? q
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: nullptr;
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}
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