Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 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 | { |
Eric Andersen | 3c0364f | 2001-04-04 22:49:01 +0000 | [diff] [blame] | 36 | int len=strlen(s); |
Eric Andersen | 60b2d8d | 2001-04-03 22:50:52 +0000 | [diff] [blame] | 37 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 38 | /* trim trailing whitespace */ |
Eric Andersen | 3c0364f | 2001-04-04 22:49:01 +0000 | [diff] [blame] | 39 | while ( len > 0 && isspace(s[len-1])) |
| 40 | s[--len]='\0'; |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 41 | |
| 42 | /* trim leading whitespace */ |
Eric Andersen | 60b2d8d | 2001-04-03 22:50:52 +0000 | [diff] [blame] | 43 | memmove(s, &s[strspn(s, " \n\r\t\v")], len); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | /* END CODE */ |
| 47 | /* |
| 48 | Local Variables: |
| 49 | c-file-style: "linux" |
| 50 | c-basic-offset: 4 |
| 51 | tab-width: 4 |
| 52 | End: |
| 53 | */ |