44 void ringbuffer_free(ringbuffer_t* rb) {  in ringbuffer_free()  argument
45   if (rb != NULL) osi_free(rb->base);  in ringbuffer_free()
46   osi_free(rb);  in ringbuffer_free()
49 size_t ringbuffer_available(const ringbuffer_t* rb) {  in ringbuffer_available()  argument
50   CHECK(rb);  in ringbuffer_available()
51   return rb->available;  in ringbuffer_available()
54 size_t ringbuffer_size(const ringbuffer_t* rb) {  in ringbuffer_size()  argument
55   CHECK(rb);  in ringbuffer_size()
56   return rb->total - rb->available;  in ringbuffer_size()
59 size_t ringbuffer_insert(ringbuffer_t* rb, const uint8_t* p, size_t length) {  in ringbuffer_insert()  argument
60   CHECK(rb);  in ringbuffer_insert()
63   if (length > ringbuffer_available(rb)) length = ringbuffer_available(rb);  in ringbuffer_insert()
66     *rb->tail++ = *p++;  in ringbuffer_insert()
67     if (rb->tail >= (rb->base + rb->total)) rb->tail = rb->base;  in ringbuffer_insert()
70   rb->available -= length;  in ringbuffer_insert()
74 size_t ringbuffer_delete(ringbuffer_t* rb, size_t length) {  in ringbuffer_delete()  argument
75   CHECK(rb);  in ringbuffer_delete()
77   if (length > ringbuffer_size(rb)) length = ringbuffer_size(rb);  in ringbuffer_delete()
79   rb->head += length;  in ringbuffer_delete()
80   if (rb->head >= (rb->base + rb->total)) rb->head -= rb->total;  in ringbuffer_delete()
82   rb->available += length;  in ringbuffer_delete()
86 size_t ringbuffer_peek(const ringbuffer_t* rb, off_t offset, uint8_t* p,  in ringbuffer_peek()  argument
88   CHECK(rb);  in ringbuffer_peek()
91   CHECK((size_t)offset <= ringbuffer_size(rb));  in ringbuffer_peek()
93   uint8_t* b = ((rb->head - rb->base + offset) % rb->total) + rb->base;  in ringbuffer_peek()
94   const size_t bytes_to_copy = (offset + length > ringbuffer_size(rb))  in ringbuffer_peek()
95                                    ? ringbuffer_size(rb) - offset  in ringbuffer_peek()
100     if (b >= (rb->base + rb->total)) b = rb->base;  in ringbuffer_peek()
106 size_t ringbuffer_pop(ringbuffer_t* rb, uint8_t* p, size_t length) {  in ringbuffer_pop()  argument
107   CHECK(rb);  in ringbuffer_pop()
110   const size_t copied = ringbuffer_peek(rb, 0, p, length);  in ringbuffer_pop()
111   rb->head += copied;  in ringbuffer_pop()
112   if (rb->head >= (rb->base + rb->total)) rb->head -= rb->total;  in ringbuffer_pop()
114   rb->available += copied;  in ringbuffer_pop()