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 <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;
}
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 <stdio.h>
12	#include <string.h>
13	#include <ctype.h>
14	#include "libbb.h"
15
16
17	void trim(char *s)
18	{
19	size_t len = strlen(s);
20	size_t lws;
21
22	/* trim trailing whitespace */
23	while (len && isspace(s[len-1])) --len;
24
25	/* trim leading whitespace */
26	if(len) {
27	lws = strspn(s, " \n\r\t\v");
28	memmove(s, s + lws, len -= lws);
29	}
30	s[len] = 0;
31	}