hush/libbb/trim.c
Denys Vlasenko c0dab37d0a *: remove last function calls to isspace
function                                             old     new   delta
xstrtoul_range_sfx                                   232     231      -1
xstrtoull_range_sfx                                  295     293      -2
trim                                                  82      80      -2
trim_trailing_spaces_and_print                        57      52      -5
isspace                                               18       -     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-22 22:28:08 +02:00

31 lines
557 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 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';
}