1 /* Reentrant string tokenizer. Generic version.
2 Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library 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 GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 /* Parse S into tokens separated by characters in DELIM.
25 If S is NULL, the saved pointer in SAVE_PTR is used as
26 the next starting point. For example:
27 char s[] = "-abc-=-def";
29 x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
30 x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
31 x = strtok_r(NULL, "=", &sp); // x = NULL
35 strtok_r (s, delim, save_ptr)
45 /* Scan leading delimiters. */
46 s += strspn (s, delim);
50 /* Find the end of the token. */
52 s = strpbrk (token, delim);
54 /* This token finishes the string. */
55 *save_ptr = strchr (token, '\0');
58 /* Terminate the token and make *SAVE_PTR point past it. */