busybox/libbb/trim.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 "libbb.h"

void FAST_FUNC trim(char *s)
{
	size_t len = strlen(s);

	/* trim trailing whitespace */
	while (len && isspace(s[len-1]))
		--len;

	/* trim leading whitespace */
	if (len) {
		char *nws = skip_whitespace(s);
		if ((nws - s) != 0) {
			len -= (nws - s);
			memmove(s, nws, len);
		}
	}
	s[len] = '\0';
}
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
13	void 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	}