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/* Tokenizing a string.
Copyright (C) 2007-2021 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <string.h>
#include <stdlib.h>
#include "mbuiter.h"
char *
mbssep (char **stringp, const char *delim)
{
if (MB_CUR_MAX > 1)
{
char *start = *stringp;
char *ptr;
if (start == NULL)
return NULL;
/* No need to optimize the cases of 0 or 1 delimiters specially,
since mbspbrk already optimizes them. */
ptr = mbspbrk (start, delim);
if (ptr == NULL)
{
*stringp = NULL;
return start;
}
else
{
mbui_iterator_t iter;
mbui_init (iter, ptr);
if (!mbui_avail (iter))
abort ();
mbui_advance (iter);
*ptr = '\0';
*stringp = (char *) mbui_cur_ptr (iter);
return start;
}
}
else
return strsep (stringp, delim);
}
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