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44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
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/*******************************************************************************
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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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wcstok.cpp
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Extract tokens from strings.
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*******************************************************************************/
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#include <wchar.h>
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extern "C" wchar_t* wcstok(wchar_t* str, const wchar_t* delim, wchar_t** saveptr)
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{
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if ( !str && !*saveptr )
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return NULL;
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if ( !str )
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str = *saveptr;
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str += wcsspn(str, delim); // Skip leading
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if ( !*str )
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return *saveptr = NULL;
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size_t amount = wcscspn(str, delim);
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if ( str[amount] )
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*saveptr = str + amount + 1;
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else
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*saveptr = NULL;
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str[amount] = L'\0';
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return str;
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}
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