/*
* 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.
+ * 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
+ * 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.
- *
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
*/
#include <stdio.h>
void 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");
+ memmove(s, s + lws, len -= lws);
+ }
+ s[len] = 0;
}
/* END CODE */