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comparison lib/stripslash.c @ 272:d5392bb5da3c 2.5

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author lost
date Sun, 16 Aug 2009 17:16:49 +0000
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271:3b793ba7a6c6 272:d5392bb5da3c
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 }