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Diffstat (limited to 'libbb/trim.c')
-rw-r--r-- | libbb/trim.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libbb/trim.c b/libbb/trim.c new file mode 100644 index 000000000..8a9b07a14 --- /dev/null +++ b/libbb/trim.c | |||
@@ -0,0 +1,52 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) tons of folks. Tracking down who wrote what | ||
6 | * isn't something I'm going to worry about... If you wrote something | ||
7 | * here, please feel free to acknowledge your work. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | * General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | * Based in part on code from sash, Copyright (c) 1999 by David I. Bell | ||
24 | * Permission has been granted to redistribute this code under the GPL. | ||
25 | * | ||
26 | */ | ||
27 | |||
28 | #include <stdio.h> | ||
29 | #include <string.h> | ||
30 | #include <ctype.h> | ||
31 | #include "libbb.h" | ||
32 | |||
33 | |||
34 | void trim(char *s) | ||
35 | { | ||
36 | /* trim trailing whitespace */ | ||
37 | while (isspace(s[strlen(s)-1])) | ||
38 | s[strlen(s)-1]='\0'; | ||
39 | |||
40 | /* trim leading whitespace */ | ||
41 | memmove(s, &s[strspn(s, " \n\r\t\v")], strlen(s)); | ||
42 | |||
43 | } | ||
44 | |||
45 | /* END CODE */ | ||
46 | /* | ||
47 | Local Variables: | ||
48 | c-file-style: "linux" | ||
49 | c-basic-offset: 4 | ||
50 | tab-width: 4 | ||
51 | End: | ||
52 | */ | ||