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| 1 /* stripslash.c -- remove redundant trailing slashes from a file name |
| 2 |
| 3 Copyright (C) 1990, 2001, 2003-2006 Free Software Foundation, Inc. |
| 4 |
| 5 This program is free software: you can redistribute it and/or modify |
| 6 it under the terms of the GNU General Public License as published by |
| 7 the Free Software Foundation; either version 3 of the License, or |
| 8 (at your option) any later version. |
| 9 |
| 10 This program is distributed in the hope that it will be useful, |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 GNU General Public License for more details. |
| 14 |
| 15 You should have received a copy of the GNU General Public License |
| 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 |
| 18 #include <config.h> |
| 19 |
| 20 #include "dirname.h" |
| 21 |
| 22 /* Remove trailing slashes from FILE. Return true if a trailing slash |
| 23 was removed. This is useful when using file name completion from a |
| 24 shell that adds a "/" after directory names (such as tcsh and |
| 25 bash), because on symlinks to directories, several system calls |
| 26 have different semantics according to whether a trailing slash is |
| 27 present. */ |
| 28 |
| 29 bool |
| 30 strip_trailing_slashes (char *file) |
| 31 { |
| 32 char *base = last_component (file); |
| 33 char *base_lim; |
| 34 bool had_slash; |
| 35 |
| 36 /* last_component returns "" for file system roots, but we need to turn |
| 37 `///' into `/'. */ |
| 38 if (! *base) |
| 39 base = file; |
| 40 base_lim = base + base_len (base); |
| 41 had_slash = (*base_lim != '\0'); |
| 42 *base_lim = '\0'; |
| 43 return had_slash; |
| 44 } |
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