1 /* stripslash.c -- remove redundant trailing slashes from a file name 2 3 Copyright (C) 1990, 2001, 2003-2006, 2009-2012 Free Software Foundation, 4 Inc. 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19 #include <config.h> 20 21 #include "dirname.h" 22 23 /* Remove trailing slashes from FILE. Return true if a trailing slash 24 was removed. This is useful when using file name completion from a 25 shell that adds a "/" after directory names (such as tcsh and 26 bash), because on symlinks to directories, several system calls 27 have different semantics according to whether a trailing slash is 28 present. */ 29 30 bool 31 strip_trailing_slashes (char *file) 32 { 33 char *base = last_component (file); 34 char *base_lim; 35 bool had_slash; 36 37 /* last_component returns "" for file system roots, but we need to turn 38 "///" into "/". */ 39 if (! *base) 40 base = file; 41 base_lim = base + base_len (base); 42 had_slash = (*base_lim != '\0'); 43 *base_lim = '\0'; 44 return had_slash; 45 } 46
