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author | Daniel Stenberg <daniel@haxx.se> | 2002-05-07 07:42:30 +0000 |
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committer | Daniel Stenberg <daniel@haxx.se> | 2002-05-07 07:42:30 +0000 |
commit | a037f0c226606d8c29f0cbbf991e6eed1998f02a (patch) | |
tree | af34e15b4347ad919f6d198f1799655f4b49609f /firmware/common | |
parent | 5993f56007172ebce70e62697770655e7645304b (diff) | |
download | rockbox-a037f0c226606d8c29f0cbbf991e6eed1998f02a.tar.gz rockbox-a037f0c226606d8c29f0cbbf991e6eed1998f02a.zip |
strtok_r() freshly implemented by yours truly
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@486 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/common')
-rw-r--r-- | firmware/common/strtok.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/firmware/common/strtok.c b/firmware/common/strtok.c new file mode 100644 index 0000000000..10287749c1 --- /dev/null +++ b/firmware/common/strtok.c | |||
@@ -0,0 +1,67 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Daniel Stenberg | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. * | ||
17 | ****************************************************************************/ | ||
18 | |||
19 | #include "config.h" | ||
20 | |||
21 | #ifndef HAVE_STRTOK_R | ||
22 | #include <stddef.h> | ||
23 | #include <string.h> | ||
24 | |||
25 | char * | ||
26 | strtok_r(char *ptr, const char *sep, char **end) | ||
27 | { | ||
28 | if (!ptr) | ||
29 | /* we got NULL input so then we get our last position instead */ | ||
30 | ptr = *end; | ||
31 | |||
32 | /* pass all letters that are including in the separator string */ | ||
33 | while (*ptr && strchr(sep, *ptr)) | ||
34 | ++ptr; | ||
35 | |||
36 | if (*ptr) { | ||
37 | /* so this is where the next piece of string starts */ | ||
38 | char *start = ptr; | ||
39 | |||
40 | /* set the end pointer to the first byte after the start */ | ||
41 | *end = start + 1; | ||
42 | |||
43 | /* scan through the string to find where it ends, it ends on a | ||
44 | null byte or a character that exists in the separator string */ | ||
45 | while (**end && !strchr(sep, **end)) | ||
46 | ++*end; | ||
47 | |||
48 | if (**end) { | ||
49 | /* the end is not a null byte */ | ||
50 | **end = '\0'; /* zero terminate it! */ | ||
51 | ++*end; /* advance last pointer to beyond the null byte */ | ||
52 | } | ||
53 | |||
54 | return start; /* return the position where the string starts */ | ||
55 | } | ||
56 | |||
57 | /* we ended up on a null byte, there are no more strings to find! */ | ||
58 | return NULL; | ||
59 | } | ||
60 | |||
61 | #endif /* this was only compiled if strtok_r wasn't present */ | ||
62 | |||
63 | /* | ||
64 | * local variables: | ||
65 | * eval: (load-file "../rockbox-mode.el") | ||
66 | * end: | ||
67 | */ | ||