source: UsbWattMeter/trunk/curl-7.47.1/lib/strtok.c@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-csrc
File size: 2.1 KB
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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 https://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 "curl_setup.h"
24
25#ifndef HAVE_STRTOK_R
26#include <stddef.h>
27
28#include "strtok.h"
29
30char *
31Curl_strtok_r(char *ptr, const char *sep, char **end)
32{
33 if(!ptr)
34 /* we got NULL input so then we get our last position instead */
35 ptr = *end;
36
37 /* pass all letters that are including in the separator string */
38 while(*ptr && strchr(sep, *ptr))
39 ++ptr;
40
41 if(*ptr) {
42 /* so this is where the next piece of string starts */
43 char *start = ptr;
44
45 /* set the end pointer to the first byte after the start */
46 *end = start + 1;
47
48 /* scan through the string to find where it ends, it ends on a
49 null byte or a character that exists in the separator string */
50 while(**end && !strchr(sep, **end))
51 ++*end;
52
53 if(**end) {
54 /* the end is not a null byte */
55 **end = '\0'; /* zero terminate it! */
56 ++*end; /* advance the last pointer to beyond the null byte */
57 }
58
59 return start; /* return the position where the string starts */
60 }
61
62 /* we ended up on a null byte, there are no more strings to find! */
63 return NULL;
64}
65
66#endif /* this was only compiled if strtok_r wasn't present */
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