1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at http://curl.haxx.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 ***************************************************************************/ 22 23#include "setup.h" 24 25#ifndef HAVE_STRTOK_R 26#include <stddef.h> 27#include <string.h> 28 29#include "strtok.h" 30 31char * 32Curl_strtok_r(char *ptr, const char *sep, char **end) 33{ 34 if(!ptr) 35 /* we got NULL input so then we get our last position instead */ 36 ptr = *end; 37 38 /* pass all letters that are including in the separator string */ 39 while(*ptr && strchr(sep, *ptr)) 40 ++ptr; 41 42 if(*ptr) { 43 /* so this is where the next piece of string starts */ 44 char *start = ptr; 45 46 /* set the end pointer to the first byte after the start */ 47 *end = start + 1; 48 49 /* scan through the string to find where it ends, it ends on a 50 null byte or a character that exists in the separator string */ 51 while(**end && !strchr(sep, **end)) 52 ++*end; 53 54 if(**end) { 55 /* the end is not a null byte */ 56 **end = '\0'; /* zero terminate it! */ 57 ++*end; /* advance the last pointer to beyond the null byte */ 58 } 59 60 return start; /* return the position where the string starts */ 61 } 62 63 /* we ended up on a null byte, there are no more strings to find! */ 64 return NULL; 65} 66 67#endif /* this was only compiled if strtok_r wasn't present */ 68