| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef RINGBUFFER_INTERNAL_H |
| 4 | #define RINGBUFFER_INTERNAL_H |
| 5 | |
| 6 | #include "ringbuffer.h" |
| 7 | |
| 8 | struct rbuf { |
| 9 | char *data; |
| 10 | |
| 11 | // points to next byte where we can write |
| 12 | char *head; |
| 13 | // points to oldest (next to be poped) readable byte |
| 14 | char *tail; |
| 15 | |
| 16 | // to avoid calculating data + size |
| 17 | // all the time |
| 18 | char *end; |
| 19 | |
| 20 | size_t size; |
| 21 | size_t size_data; |
| 22 | }; |
| 23 | |
| 24 | typedef struct rbuf *rbuf_t; |
| 25 | |
| 26 | #endif |