/*
* Utility routines.
*
- * Copyright (C) many different people. If you wrote this, please
- * acknowledge your work.
+ * Copyright (C) many different people.
+ * If you wrote this, please 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
+ * 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);
/* 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) {
+ char *nws = skip_whitespace(s);
+ if ((nws - s) != 0) {
+ len -= (nws - s);
+ memmove(s, nws, len);
+ }
+ }
+ s[len] = '\0';
}
-
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/