20  * @param buf_size buffer size
50  * @param buf_size buffer size
123  * Allocate a block by given size. The block will add to blk_list when allocate success.
126  * @param blk_size block size
161                 empty1 = (rbb->buf + rbb->buf_size) - (tail->buf + tail->size);  in rt_rbb_blk_alloc()
168                     new->buf = tail->buf + tail->size;  in rt_rbb_blk_alloc()
169                     new->size = blk_size;  in rt_rbb_blk_alloc()
176                     new->size = blk_size;  in rt_rbb_blk_alloc()
193                 empty1 = head->buf - (tail->buf + tail->size);  in rt_rbb_blk_alloc()
199                     new->buf = tail->buf + tail->size;  in rt_rbb_blk_alloc()
200                     new->size = blk_size;  in rt_rbb_blk_alloc()
215             new->size = blk_size;  in rt_rbb_blk_alloc()
285  * return the block size
289  * @return block size
295     return block->size;  in rt_rbb_blk_size()
340  * get a continuous block to queue by given size
357  * @param queue_data_len The max queue data size, and the return size must less then it.
360  * @return the block queue data total size
406                 data_total_size + block->size > queue_data_len)  in rt_rbb_blk_queue_get()
415         data_total_size += last_block->size;  in rt_rbb_blk_queue_get()
441         data_total_size += blk_queue->blocks[i].size;  in rt_rbb_blk_queue_len()
532         data_len += last_block->size;  in rt_rbb_next_blk_queue_len()
542  * get the ring block buffer object buffer size
546  * @return buffer size