blob: 78cf235dd006cae01c326006d69e2d79e24f3e18 [file] [log] [blame]
Eric Andersenaad1a882001-03-16 22:47:14 +00001/* 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
34void trim(char *s)
35{
Eric Andersen3c0364f2001-04-04 22:49:01 +000036 int len=strlen(s);
Eric Andersen60b2d8d2001-04-03 22:50:52 +000037
Eric Andersenaad1a882001-03-16 22:47:14 +000038 /* trim trailing whitespace */
Eric Andersen3c0364f2001-04-04 22:49:01 +000039 while ( len > 0 && isspace(s[len-1]))
40 s[--len]='\0';
Eric Andersenaad1a882001-03-16 22:47:14 +000041
42 /* trim leading whitespace */
Eric Andersen60b2d8d2001-04-03 22:50:52 +000043 memmove(s, &s[strspn(s, " \n\r\t\v")], len);
Eric Andersenaad1a882001-03-16 22:47:14 +000044}
45
46/* END CODE */
47/*
48Local Variables:
49c-file-style: "linux"
50c-basic-offset: 4
51tab-width: 4
52End:
53*/