73 uint8_t put_ptr, get_ptr;
93 r->mask = size_power_of_two - 1;
94 r->put_ptr = r->get_ptr = 0;
int ringbuf_size(struct ringbuf *r)
Get the size of a ring buffer.
int ringbuf_get(struct ringbuf *r)
Get a byte from the ring buffer.
int ringbuf_put(struct ringbuf *r, uint8_t c)
Insert a byte into the ring buffer.
static void ringbuf_init(struct ringbuf *r, uint8_t *a, uint8_t size_power_of_two)
Initialize a ring buffer.
int ringbuf_elements(struct ringbuf *r)
Get the number of elements currently in the ring buffer.
Structure that holds the state of a ring buffer.