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 } 45
