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