1 /* stripslash.c -- remove redundant trailing slashes from a file name
2
3 Copyright (C) 1990, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 #include <sys/cdefs.h>
19 __RCSID("$NetBSD: stripslash.c,v 1.2 2016/05/17 14:00:09 christos Exp $");
20
21
22 #ifdef HAVE_CONFIG_H
23 # include <config.h>
24 #endif
25
26 #include "dirname.h"
27
28 /* Remove trailing slashes from FILE.
29 Return true if a trailing slash was removed.
30 This is useful when using file name completion from a shell that
31 adds a "/" after directory names (such as tcsh and bash), because
32 the Unix rename and rmdir system calls return an "Invalid argument" error
33 when given a file that ends in "/" (except for the root directory). */
34
35 bool
strip_trailing_slashes(char * file)36 strip_trailing_slashes (char *file)
37 {
38 char *base = base_name (file);
39 char *base_lim = base + base_len (base);
40 bool had_slash = (*base_lim != '\0');
41 *base_lim = '\0';
42 return had_slash;
43 }
44