Contents of /tags/mkinitrd-6_1_12/busybox/libbb/trim.c
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Tue Nov 17 21:24:51 2009 UTC (14 years, 10 months ago) by niro
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Tue Nov 17 21:24:51 2009 UTC (14 years, 10 months ago) by niro
File MIME type: text/plain
File size: 555 byte(s)
tagged 'mkinitrd-6_1_12'
1 | /* 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 | void FAST_FUNC trim(char *s) |
14 | { |
15 | size_t len = strlen(s); |
16 | size_t lws; |
17 | |
18 | /* trim trailing whitespace */ |
19 | while (len && isspace(s[len-1])) |
20 | --len; |
21 | |
22 | /* trim leading whitespace */ |
23 | if (len) { |
24 | lws = strspn(s, " \n\r\t\v"); |
25 | if (lws) { |
26 | len -= lws; |
27 | memmove(s, s + lws, len); |
28 | } |
29 | } |
30 | s[len] = '\0'; |
31 | } |