Fossil

  zFN = mprintf("%s", zFilename);
  file_simplify_name(zFN, -1, 0);
  rc = getStat(zFN, 1);
  if( rc ){
    rc = 0; /* It does not exist at all. */
  }else if( S_ISDIR(fileStat.st_mode) ){
    rc = 1; /* It exists and is a real directory. */
  }else if( db_allow_symlinks() && S_ISLNK(fileStat.st_mode) ){
    Blob content;
    blob_read_link(&content, zFN); /* It exists and is a link. */
    rc = file_wd_isdir(blob_str(&content)); /* Points to directory? */
    blob_reset(&content);
  }else{
    rc = 2; /* It exists and is something else. */
  }