hush/libbb/trim.c
Denys Vlasenko 0ef64bdb40 *: make GNU licensing statement forms more regular
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00

31 lines
549 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 source tree.
*/
#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';
}