| /* stripslash.c -- remove redundant trailing slashes from a file name |
| |
| Copyright (C) 1990, 2001, 2003-2006, 2009-2016 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; |
| } |