size_t FileSystem::dir_size(fs_dir_t dir)
{
off_t off = dir_tell(dir);
size_t size = 0;
struct dirent *ent = new struct dirent;
dir_rewind(dir);
while (true) {
int res = dir_read(dir, ent);
if (res <= 0) {
break;
}
size += 1;
}
dir_seek(dir, off);
delete ent;
return size;
}
void FileSystem::dir_rewind(fs_dir_t dir)
{
// Note, the may not satisfy rewind on all filesystems
dir_seek(dir, 0);
}
/*
* call-seq:
* dir.pos( integer ) => integer
*
* Synonym for <code>Dir#seek</code>, but returns the position
* parameter.
*
* d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
* d.read #=> "."
* i = d.pos #=> 12
* d.read #=> ".."
* d.pos = i #=> 12
* d.read #=> ".."
*/
static VALUE
dir_set_pos(VALUE dir, VALUE pos)
{
dir_seek(dir, pos);
return pos;
}
