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tag: curl-7_10_8
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
***************************************************************************/

#include "setup.h"

#ifndef HAVE_STRTOK_R
#include <stddef.h>
#include <string.h>

char *
Curl_strtok_r(char *ptr, const char *sep, char **end)
{
  if (!ptr)
    /* we got NULL input so then we get our last position instead */
    ptr = *end;

  /* pass all letters that are including in the separator string */
  while (*ptr && strchr(sep, *ptr))
    ++ptr;

  if (*ptr) {
    /* so this is where the next piece of string starts */
    char *start = ptr;

    /* set the end pointer to the first byte after the start */
    *end = start + 1;

    /* scan through the string to find where it ends, it ends on a
null byte or a character that exists in the separator string */
    while (**end && !strchr(sep, **end))
      ++*end;

    if (**end) {
      /* the end is not a null byte */
      **end = '\0'; /* zero terminate it! */
      ++*end; /* advance the last pointer to beyond the null byte */
    }

    return start; /* return the position where the string starts */
  }

  /* we ended up on a null byte, there are no more strings to find! */
  return NULL;
}

#endif /* this was only compiled if strtok_r wasn't present */
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