/* 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); | |
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"); | |
if (lws) { | |
len -= lws; | |
memmove(s, s + lws, len); | |
} | |
} | |
s[len] = '\0'; | |
} |