45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* stripslash.c -- remove redundant trailing slashes from a file name
|
|
|
|
Copyright (C) 1990, 2001, 2003-2006, 2009-2013 Free Software Foundation,
|
|
Inc.
|
|
|
|
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 <config.h>
|
|
|
|
#include "dirname.h"
|
|
|
|
/* Remove trailing slashes from FILE. Return true if a trailing slash
|
|
was removed. This is useful when using file name completion from a
|
|
shell that adds a "/" after directory names (such as tcsh and
|
|
bash), because on symlinks to directories, several system calls
|
|
have different semantics according to whether a trailing slash is
|
|
present. */
|
|
|
|
bool
|
|
strip_trailing_slashes (char *file)
|
|
{
|
|
char *base = last_component (file);
|
|
char *base_lim;
|
|
bool had_slash;
|
|
|
|
/* last_component returns "" for file system roots, but we need to turn
|
|
"///" into "/". */
|
|
if (! *base)
|
|
base = file;
|
|
base_lim = base + base_len (base);
|
|
had_slash = (*base_lim != '\0');
|
|
*base_lim = '\0';
|
|
return had_slash;
|
|
}
|