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 FAST_FUNC trim(char *s)
14{
15	size_t len = strlen(s);
16
17	/* trim trailing whitespace */
18	while (len && isspace(s[len-1]))
19		--len;
20
21	/* trim leading whitespace */
22	if (len) {
23		char *nws = skip_whitespace(s);
24		if ((nws - s) != 0) {
25			len -= (nws - s);
26			memmove(s, nws, len);
27		}
28	}
29	s[len] = '\0';
30}
31