pam-modules/lib/strutil.c
2022-02-04 09:38:17 +02:00

32 lines
973 B
C

/* This file is part of pam-modules.
Copyright (C) 2009-2022 Sergey Poznyakoff
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <graypam.h>
/*
* Chop off trailing whitespace. Return length of the resulting string
*/
int
gray_trim_ws(char *str)
{
int len;
for (len = strlen(str); len > 0 && isspace(str[len-1]); len--)
;
str[len] = 0;
return len;
}