Annotation of /tags/mkinitrd-6_1_11/busybox/libbb/trim.c
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Wed Oct 28 13:31:19 2009 UTC (14 years, 11 months ago) by niro
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Wed Oct 28 13:31:19 2009 UTC (14 years, 11 months ago) by niro
File MIME type: text/plain
File size: 555 byte(s)
tagged 'mkinitrd-6_1_11'
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) many different people. | ||
6 | * If you wrote this, please acknowledge your work. | ||
7 | * | ||
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
9 | */ | ||
10 | |||
11 | #include "libbb.h" | ||
12 | |||
13 | niro | 816 | void FAST_FUNC trim(char *s) |
14 | niro | 532 | { |
15 | size_t len = strlen(s); | ||
16 | size_t lws; | ||
17 | |||
18 | /* trim trailing whitespace */ | ||
19 | niro | 816 | while (len && isspace(s[len-1])) |
20 | --len; | ||
21 | niro | 532 | |
22 | /* trim leading whitespace */ | ||
23 | niro | 816 | if (len) { |
24 | niro | 532 | lws = strspn(s, " \n\r\t\v"); |
25 | niro | 816 | if (lws) { |
26 | len -= lws; | ||
27 | memmove(s, s + lws, len); | ||
28 | } | ||
29 | niro | 532 | } |
30 | niro | 816 | s[len] = '\0'; |
31 | niro | 532 | } |