1N/A/* stripslash.c -- remove redundant trailing slashes from a file name
1N/A
1N/A Copyright (C) 1990, 2001, 2003-2006, 2009-2010 Free Software Foundation,
1N/A Inc.
1N/A
1N/A This program is free software: you can redistribute it and/or modify
1N/A it under the terms of the GNU General Public License as published by
1N/A the Free Software Foundation; either version 3 of the License, or
1N/A (at your option) any later version.
1N/A
1N/A This program is distributed in the hope that it will be useful,
1N/A but WITHOUT ANY WARRANTY; without even the implied warranty of
1N/A MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1N/A GNU General Public License for more details.
1N/A
1N/A You should have received a copy of the GNU General Public License
1N/A along with this program. If not, see <http://www.gnu.org/licenses/>. */
1N/A
1N/A#include <config.h>
1N/A
1N/A#include "dirname.h"
1N/A
1N/A/* Remove trailing slashes from FILE. Return true if a trailing slash
1N/A was removed. This is useful when using file name completion from a
1N/A shell that adds a "/" after directory names (such as tcsh and
1N/A bash), because on symlinks to directories, several system calls
1N/A have different semantics according to whether a trailing slash is
1N/A present. */
1N/A
1N/Abool
1N/Astrip_trailing_slashes (char *file)
1N/A{
1N/A char *base = last_component (file);
1N/A char *base_lim;
1N/A bool had_slash;
1N/A
1N/A /* last_component returns "" for file system roots, but we need to turn
1N/A `///' into `/'. */
1N/A if (! *base)
1N/A base = file;
1N/A base_lim = base + base_len (base);
1N/A had_slash = (*base_lim != '\0');
1N/A *base_lim = '\0';
1N/A return had_slash;
1N/A}