1/* vi: set sw=4 ts=4: */
2/*
3 * Utility routines.
4 *
5 * Copyright (C) many different people.
6 * If you wrote this, please acknowledge your work.
7 *
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9 */
10
11#include "libbb.h"
12
13void trim(char *s)
14{
15	size_t len = strlen(s);
16	size_t lws;
17
18	/* trim trailing whitespace */
19	while (len && isspace(s[len-1])) --len;
20
21	/* trim leading whitespace */
22	if (len) {
23		lws = strspn(s, " \n\r\t\v");
24		memmove(s, s + lws, len -= lws);
25	}
26	s[len] = '\0';
27}
28