Function my_dir

mysys/my_lib.c:91–191

#if !defined(_WIN32)

MY_DIR	*my_dir(const char *path, myf MyFlags)
{
  char          *buffer;
  MY_DIR        *result= 0;
  FILEINFO      finfo;
  DYNAMIC_ARRAY *dir_entries_storage;
  MEM_ROOT      *names_storage;
  DIR		*dirp;
  struct dirent *dp;
  char		tmp_path[FN_REFLEN + 2], *tmp_file;
  char	dirent_tmp[sizeof(struct dirent)+_POSIX_PATH_MAX+1];

  DBUG_ENTER("my_dir");
  DBUG_PRINT("my",("path: '%s' MyFlags: %d",path,MyFlags));

#if !defined(HAVE_READDIR_R)
  mysql_mutex_lock(&THR_LOCK_open);
#endif

  dirp = opendir(directory_file_name(tmp_path,(char *) path));
#if defined(__amiga__)
  if ((dirp->dd_fd) < 0)			/* Directory doesn't exists */
    goto error;
#endif
  if (dirp == NULL || 
      ! (buffer= my_malloc(ALIGN_SIZE(sizeof(MY_DIR)) + 
                           ALIGN_SIZE(sizeof(DYNAMIC_ARRAY)) +
                           sizeof(MEM_ROOT), MyFlags)))
    goto error;

  dir_entries_storage= (DYNAMIC_ARRAY*)(buffer + ALIGN_SIZE(sizeof(MY_DIR))); 
  names_storage= (MEM_ROOT*)(buffer + ALIGN_SIZE(sizeof(MY_DIR)) +
                             ALIGN_SIZE(sizeof(DYNAMIC_ARRAY)));
  
  if (my_init_dynamic_array(dir_entries_storage, sizeof(FILEINFO),
                            ENTRIES_START_SIZE, ENTRIES_INCREMENT))
  {
    my_free(buffer);
    goto error;
  }
  init_alloc_root(names_storage, NAMES_START_SIZE, NAMES_START_SIZE);
  
  /* MY_DIR structure is allocated and completly initialized at this point */
  result= (MY_DIR*)buffer;

  tmp_file=strend(tmp_path);

  dp= (struct dirent*) dirent_tmp;
  
  while (!(READDIR(dirp,(struct dirent*) dirent_tmp,dp)))
  {
    if (!(finfo.name= strdup_root(names_storage, dp->d_name)))
      goto error;
    
    if (MyFlags & MY_WANT_STAT)
    {
      if (!(finfo.mystat= (MY_STAT*)alloc_root(names_storage, 
                                               sizeof(MY_STAT))))