hush/libbb/trim.c
2007-04-12 00:32:05 +00:00

28 lines
517 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 tarball for details.
*/
#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';
}