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/* Work around rmdir bugs. 
 
   Copyright (C) 1988, 1990, 1999, 2003-2006, 2009-2013 Free Software 
   Foundation, Inc. 
 
   This program is free software: you can redistribute it and/or modify 
   it under the terms of the GNU General Public License as published by 
   the Free Software Foundation; either version 3 of the License, or 
   (at your option) any later version. 
 
   This program is distributed in the hope that it will be useful, 
   but WITHOUT ANY WARRANTY; without even the implied warranty of 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
   GNU General Public License for more details. 
 
   You should have received a copy of the GNU General Public License 
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */ 
 
#include <config.h> 
 
#include <unistd.h> 
 
#include <errno.h> 
#include <string.h> 
 
#include "dosname.h" 
 
#undef rmdir 
 
/* Remove directory DIR. 
   Return 0 if successful, -1 if not.  */ 
 
int 
rpl_rmdir (char const *dir) 
{ 
  /* Work around cygwin 1.5.x bug where rmdir("dir/./") succeeds.  */ 
  size_t len = strlen (dir); 
  int result; 
  while (len && ISSLASH (dir[len - 1])) 
    len--; 
  if (len && dir[len - 1] == '.' && (1 == len || ISSLASH (dir[len - 2]))) 
    { 
      errno = EINVAL; 
      return -1; 
    } 
  result = rmdir (dir); 
  /* Work around mingw bug, where rmdir("file/") fails with EINVAL 
     instead of ENOTDIR.  We've already filtered out trailing ., the 
     only reason allowed by POSIX for EINVAL.  */ 
  if (result == -1 && errno == EINVAL) 
    errno = ENOTDIR; 
  return result; 
}