blob: 924313e8782467a1d9711de8f6dca0f43ad433c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* Copyright (C) 1991-2014 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <string.h>
static char *olds;
#undef strtok
#ifndef STRTOK
# define STRTOK strtok
#endif
/* Parse S into tokens separated by characters in DELIM.
If S is NULL, the last string strtok() was called with is
used. For example:
char s[] = "-abc-=-def";
x = strtok(s, "-"); // x = "abc"
x = strtok(NULL, "-="); // x = "def"
x = strtok(NULL, "="); // x = NULL
// s = "abc\0=-def\0"
*/
char *
STRTOK (char *s, const char *delim)
{
char *token;
if (s == NULL)
s = olds;
/* Scan leading delimiters. */
s += strspn (s, delim);
if (*s == '\0')
{
olds = s;
return NULL;
}
/* Find the end of the token. */
token = s;
s = strpbrk (token, delim);
if (s == NULL)
/* This token finishes the string. */
olds = __rawmemchr (token, '\0');
else
{
/* Terminate the token and make OLDS point past it. */
*s = '\0';
olds = s + 1;
}
return token;
}
|
