2N/A/* stripslash.c -- remove redundant trailing slashes from a file name
2N/A
2N/A Copyright (C) 1990, 2001, 2003-2006, 2009-2010 Free Software Foundation,
2N/A Inc.
2N/A
2N/A This program is free software: you can redistribute it and/or modify
2N/A it under the terms of the GNU General Public License as published by
2N/A the Free Software Foundation; either version 3 of the License, or
2N/A (at your option) any later version.
2N/A
2N/A This program is distributed in the hope that it will be useful,
2N/A but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A GNU General Public License for more details.
2N/A
2N/A You should have received a copy of the GNU General Public License
2N/A along with this program. If not, see <http://www.gnu.org/licenses/>. */
2N/A
2N/A#include <config.h>
2N/A
2N/A#include "dirname.h"
2N/A
2N/A/* Remove trailing slashes from FILE. Return true if a trailing slash
2N/A was removed. This is useful when using file name completion from a
2N/A shell that adds a "/" after directory names (such as tcsh and
2N/A bash), because on symlinks to directories, several system calls
2N/A have different semantics according to whether a trailing slash is
2N/A present. */
2N/A
2N/Abool
2N/Astrip_trailing_slashes (char *file)
2N/A{
2N/A char *base = last_component (file);
2N/A char *base_lim;
2N/A bool had_slash;
2N/A
2N/A /* last_component returns "" for file system roots, but we need to turn
2N/A `///' into `/'. */
2N/A if (! *base)
2N/A base = file;
2N/A base_lim = base + base_len (base);
2N/A had_slash = (*base_lim != '\0');
2N/A *base_lim = '\0';
2N/A return had_slash;
2N/A}