mirror of
https://github.com/curl/curl.git
synced 2024-12-15 06:40:09 +08:00
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2020, 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 https://curl.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.
|
|
*
|
|
***************************************************************************/
|
|
|
|
#include "curl_setup.h"
|
|
|
|
#ifndef HAVE_STRTOK_R
|
|
#include <stddef.h>
|
|
|
|
#include "strtok.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'; /* null-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 */
|