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libiconv 1.16

    1: /* stripslash.c -- remove redundant trailing slashes from a file name
    2: 
    3:    Copyright (C) 1990, 2001, 2003-2006, 2009-2019 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 <https://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: }