Function DataBlockIterator_Next

src/util/datablock/datablock_iterator.c:33–68

}

void *DataBlockIterator_Next
(
	DataBlockIterator *iter,
	uint64_t *id
) {
	ASSERT(iter != NULL);

	// set default
	void                 *item         =  NULL;
	DataBlockItemHeader  *item_header  =  NULL;

	// have we reached the end of our iterator?
	while(iter->_current_pos < iter->_end_pos && iter->_current_block != NULL) {
		// get item at current position
		Block *block = iter->_current_block;
		item_header = (DataBlockItemHeader *)block->data + (iter->_block_pos * block->itemSize);

		// advance to next position
		iter->_block_pos += 1;
		iter->_current_pos += 1;

		// advance to next block if current block consumed
		if(iter->_block_pos == iter->_block_cap) {
			iter->_block_pos = 0;
			iter->_current_block = iter->_current_block->next;
		}

		if(!IS_ITEM_DELETED(item_header)) {
			item = ITEM_DATA(item_header);
			if(id) *id = iter->_current_pos - 1;
			break;
		}
	}

	return item;
}

void DataBlockIterator_Reset
(