busybox/libbb/trim.c
Bernhard Reutner-Fischer b1629b1b2a - remove emacs layout block as suggested by Robert P.J. Day
- use shorter boilerplate while at it
2006-05-19 19:29:19 +00:00

32 lines
572 B
C

/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* 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)
{
size_t len = strlen(s);
size_t lws;
/* trim trailing whitespace */
while (len && isspace(s[len-1])) --len;
/* trim leading whitespace */
if(len) {
lws = strspn(s, " \n\r\t\v");
memmove(s, s + lws, len -= lws);
}
s[len] = 0;
}