51 lines
1.4 KiB
C
Executable File
51 lines
1.4 KiB
C
Executable File
/* Split a wide string into tokens.
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Copyright (C) 1999, 2011-2024 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 1999.
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This file 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
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This file 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 Lesser General Public 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 this program. If not, see <https://www.gnu.org/licenses/>. */
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wchar_t *
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wcstok (wchar_t *wcs, const wchar_t *delim, wchar_t **ptr)
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{
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if (wcs == NULL)
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{
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wcs = *ptr;
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if (wcs == NULL)
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return NULL; /* reminder that end of token sequence has been reached */
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}
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/* Skip leading delimiters. */
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wcs += wcsspn (wcs, delim);
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/* Found a token? */
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if (*wcs == (wchar_t)'\0')
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{
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*ptr = NULL;
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return NULL;
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}
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/* Move past the token. */
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{
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wchar_t *token_end = wcspbrk (wcs, delim);
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if (token_end)
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{
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/* NUL-terminate the token. */
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*token_end = (wchar_t)'\0';
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*ptr = token_end + 1;
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}
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else
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*ptr = NULL;
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}
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return wcs;
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}
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