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/* stripslash.c -- remove redundant trailing slashes from a file name
Copyright (C) 1990, 2001, 2003-2006, 2009-2020 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 <https://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;
}
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