Method: Dir#initialize

Defined in:
dir.c

#new(string) ⇒ Dir #new(string, encoding: enc) ⇒ Dir

Returns a new directory object for the named directory.

The optional encoding keyword argument specifies the encoding of the directory. If not specified, the filesystem encoding is used.

Overloads:

  • #new(string) ⇒ Dir
  • #new(string, encoding: enc) ⇒ Dir 


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# File 'dir.c', line 524

static VALUE
dir_initialize(int argc, VALUE *argv, VALUE dir)
{
    struct dir_data *dp;
    rb_encoding  *fsenc;
    VALUE dirname, opt, orig;
    static ID keyword_ids[1];
    const char *path;

    if (!keyword_ids[0]) {
  keyword_ids[0] = rb_id_encoding();
    }

    fsenc = rb_filesystem_encoding();

    rb_scan_args(argc, argv, "1:", &dirname, &opt);

    if (!NIL_P(opt)) {
  VALUE enc;
  rb_get_kwargs(opt, keyword_ids, 0, 1, &enc);
  if (enc != Qundef && !NIL_P(enc)) {
      fsenc = rb_to_encoding(enc);
  }
    }

    FilePathValue(dirname);
    orig = rb_str_dup_frozen(dirname);
    dirname = rb_str_encode_ospath(dirname);
    dirname = rb_str_dup_frozen(dirname);

    TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dp);
    if (dp->dir) closedir(dp->dir);
    dp->dir = NULL;
    RB_OBJ_WRITE(dir, &dp->path, Qnil);
    dp->enc = fsenc;
    path = RSTRING_PTR(dirname);
    dp->dir = opendir_without_gvl(path);
    if (dp->dir == NULL) {
  int e = errno;
  if (rb_gc_for_fd(e)) {
      dp->dir = opendir_without_gvl(path);
  }
#ifdef HAVE_GETATTRLIST
  else if (e == EIO) {
      u_int32_t attrbuf[1];
      struct attrlist al = {ATTR_BIT_MAP_COUNT, 0};
      if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW) == 0) {
    dp->dir = opendir_without_gvl(path);
      }
  }
#endif
  if (dp->dir == NULL) {
      RB_GC_GUARD(dirname);
      rb_syserr_fail_path(e, orig);
  }
    }
    RB_OBJ_WRITE(dir, &dp->path, orig);

    return dir;
}