diff options
Diffstat (limited to 'release/src/router/busybox/libbb/trim.c')
| -rw-r--r-- | release/src/router/busybox/libbb/trim.c | 54 |
1 files changed, 16 insertions, 38 deletions
diff --git a/release/src/router/busybox/libbb/trim.c b/release/src/router/busybox/libbb/trim.c index 76b87ca1..ea20ff37 100644 --- a/release/src/router/busybox/libbb/trim.c +++ b/release/src/router/busybox/libbb/trim.c @@ -2,52 +2,30 @@ /* * Utility routines. * - * Copyright (C) tons of folks. Tracking down who wrote what - * isn't something I'm going to worry about... If you wrote something - * here, please feel free to acknowledge your work. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Based in part on code from sash, Copyright (c) 1999 by David I. Bell - * Permission has been granted to redistribute this code under the GPL. + * Copyright (C) many different people. + * If you wrote this, please acknowledge your work. * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <stdio.h> -#include <string.h> -#include <ctype.h> #include "libbb.h" - -void trim(char *s) +void FAST_FUNC trim(char *s) { - int len = strlen(s); + size_t len = strlen(s); + size_t lws; /* trim trailing whitespace */ - while ( len > 0 && isspace(s[len-1])) - s[--len]='\0'; + while (len && isspace(s[len-1])) + --len; /* trim leading whitespace */ - memmove(s, &s[strspn(s, " \n\r\t\v")], len); + if (len) { + lws = strspn(s, " \n\r\t\v"); + if (lws) { + len -= lws; + memmove(s, s + lws, len); + } + } + s[len] = '\0'; } - -/* END CODE */ -/* -Local Variables: -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ |