lib/stripslash.c

   1 /* stripslash.c -- remove trailing slashes from a string
   2    Copyright (C) 1990 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #if HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
  23 # include <string.h>
  24 #else
  25 # include <strings.h>
  26 #endif
  27
  28 /* Remove trailing slashes from PATH.
  29    This is useful when using filename completion from a shell that
  30    adds a "/" after directory names (such as tcsh and bash), because
  31    the Unix rename and rmdir system calls return an "Invalid argument" error
  32    when given a path that ends in "/" (except for the root directory).  */
  33
  34 void
  35 strip_trailing_slashes (char *path)
  36 {
  37   int last;
  38
  39   last = strlen (path) - 1;
  40   while (last > 0 && path[last] == '/')
  41     path[last--] = '\0';
  42 }