1 /* Reentrant string tokenizer. Generic version.
2 Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
29 # define __strtok_r strtok_r
30 # define __rawmemchr strchr
33 /* Parse S into tokens separated by characters in DELIM.
34 If S is NULL, the saved pointer in SAVE_PTR is used as
35 the next starting point. For example:
36 char s[] = "-abc-=-def";
38 x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
39 x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
40 x = strtok_r(NULL, "=", &sp); // x = NULL
44 __strtok_r (char *s
, const char *delim
, char **save_ptr
)
51 /* Scan leading delimiters. */
52 s
+= strspn (s
, delim
);
59 /* Find the end of the token. */
61 s
= strpbrk (token
, delim
);
63 /* This token finishes the string. */
64 *save_ptr
= __rawmemchr (token
, '\0');
67 /* Terminate the token and make *SAVE_PTR point past it. */
74 libc_hidden_def (__strtok_r
)
75 weak_alias (__strtok_r
, strtok_r
)