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/* Tokenizing a string.
Copyright (C) 1999, 2002, 2006-2007 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2007.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <string.h>
#if HAVE_MBRTOWC
# include "mbuiter.h"
#endif
char *
mbstok_r (char *string, const char *delim, char **save_ptr)
{
#if HAVE_MBRTOWC
if (MB_CUR_MAX > 1)
{
if (string == NULL)
{
string = *save_ptr;
if (string == NULL)
return NULL; /* reminder that end of token sequence has been
reached */
}
/* Skip leading delimiters. */
string += mbsspn (string, delim);
/* Found a token? */
if (*string == '\0')
{
*save_ptr = NULL;
return NULL;
}
/* Move past the token. */
{
char *token_end = mbspbrk (string, delim);
if (token_end != NULL)
{
/* NUL-terminate the token. */
*token_end = '\0';
*save_ptr = token_end + 1;
}
else
*save_ptr = NULL;
}
return string;
}
else
#endif
return strtok_r (string, delim, save_ptr);
}
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