1 | /* Reentrant string tokenizer. Generic version. |
2 | Copyright (C) 1991,1996-1999,2001,2004 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
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 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
18 | 02111-1307 USA. */ |
19 | |
20 | /* Copyright (C) 1991,93,96,97,99,2000,2002 Free Software Foundation, Inc. |
21 | This file is part of the GNU C Library. |
22 | Based on strlen implementation by Torbjorn Granlund (tege@sics.se), |
23 | with help from Dan Sahlin (dan@sics.se) and |
24 | commentary by Jim Blandy (jimb@ai.mit.edu); |
25 | adaptation to memchr suggested by Dick Karpinski (dick@cca.ucsf.edu), |
26 | and implemented by Roland McGrath (roland@ai.mit.edu). |
27 | |
28 | The GNU C Library is free software; you can redistribute it and/or |
29 | modify it under the terms of the GNU Lesser General Public |
30 | License as published by the Free Software Foundation; either |
31 | version 2.1 of the License, or (at your option) any later version. |
32 | |
33 | The GNU C Library is distributed in the hope that it will be useful, |
34 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
35 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
36 | Lesser General Public License for more details. |
37 | |
38 | You should have received a copy of the GNU Lesser General Public |
39 | License along with the GNU C Library; if not, write to the Free |
40 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
41 | 02111-1307 USA. */ |
42 | |
43 | //======================================================================== |
44 | // |
45 | // Modified under the Poppler project - http://poppler.freedesktop.org |
46 | // |
47 | // All changes made under the Poppler project to this file are licensed |
48 | // under GPL version 2 or later |
49 | // |
50 | // Copyright (C) 2012 Alexey Pavlov <alexpux@gmail.com> |
51 | // Copyright (C) 2012 Albert Astals Cid <aacid@kde.org> |
52 | // Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com> |
53 | // Copyright (C) 2017 Pekka Vuorela <pekka.vuorela@jollamobile.com> |
54 | // |
55 | // To see a description of the changes please see the Changelog file that |
56 | // came with your tarball or type make ChangeLog if you are building from git |
57 | // |
58 | //======================================================================== |
59 | |
60 | #include "glibc.h" |
61 | |
62 | #ifndef HAVE_STRTOK_R |
63 | |
64 | # include <cstring> |
65 | |
66 | # define __rawmemchr strchr |
67 | |
68 | char *strtok_r(char *s, const char *delim, char **save_ptr) |
69 | { |
70 | char *token; |
71 | |
72 | if (s == NULL) |
73 | s = *save_ptr; |
74 | |
75 | /* Scan leading delimiters. */ |
76 | s += strspn(s, delim); |
77 | if (*s == '\0') { |
78 | *save_ptr = s; |
79 | return NULL; |
80 | } |
81 | |
82 | /* Find the end of the token. */ |
83 | token = s; |
84 | s = strpbrk(token, delim); |
85 | if (s == NULL) |
86 | /* This token finishes the string. */ |
87 | *save_ptr = __rawmemchr(token, '\0'); |
88 | else { |
89 | /* Terminate the token and make *SAVE_PTR point past it. */ |
90 | *s = '\0'; |
91 | *save_ptr = s + 1; |
92 | } |
93 | return token; |
94 | } |
95 | |
96 | #endif |
97 | |