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 13void trim(char *s) 14{ 15 size_t len = strlen(s); 16 size_t lws; 17 18 /* trim trailing whitespace */ 19 while (len && isspace(s[len-1])) --len; 20 21 /* trim leading whitespace */ 22 if (len) { 23 lws = strspn(s, " \n\r\t\v"); 24 memmove(s, s + lws, len -= lws); 25 } 26 s[len] = '\0'; 27} 28