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44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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wchar/wcscspn.cpp
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Search a string for a set of characters.
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*******************************************************************************/
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#include <wchar.h>
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extern "C" size_t wcscspn(const wchar_t* str, const wchar_t* reject)
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{
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size_t rejectlen = 0;
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while ( reject[rejectlen] ) { rejectlen++; }
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for ( size_t result = 0; true; result++ )
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{
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wchar_t c = str[result];
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if ( !c ) { return result; }
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bool matches = false;
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for ( size_t i = 0; i < rejectlen; i++ )
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{
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if ( str[result] != reject[i] ) { continue; }
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matches = true;
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break;
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}
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if ( matches ) { return result; }
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}
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}
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