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/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/*
* Modified by Manuel Novoa III Mar 1, 2001
*
* Converted original strtok.c code of strtok to __strtok_r.
* Cleaned up logic and reduced code size.
*/
#include <string.h>
char *strtok_r(char *s, const char *delim, char **save_ptr)
{
char *token;
token = 0; /* Initialize to no token. */
if (s == 0) { /* If not first time called... */
s = *save_ptr; /* restart from where we left off. */
}
if (s != 0) { /* If not finished... */
*save_ptr = 0;
s += strspn(s, delim); /* Skip past any leading delimiters. */
if (*s != '\0') { /* We have a token. */
token = s;
*save_ptr = strpbrk(token, delim); /* Find token's end. */
if (*save_ptr != 0) {
/* Terminate the token and make SAVE_PTR point past it. */
*(*save_ptr)++ = '\0';
}
}
}
return token;
}
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