/* 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'; | |
} |