46 void ringbuffer_free(ringbuffer_t* rb) {  in ringbuffer_free()  argument
47   if (rb != nullptr) free(rb->base);  in ringbuffer_free()
48   free(rb);  in ringbuffer_free()
51 size_t ringbuffer_available(const ringbuffer_t* rb) {  in ringbuffer_available()  argument
52   assert(rb);  in ringbuffer_available()
53   return rb->available;  in ringbuffer_available()
56 size_t ringbuffer_size(const ringbuffer_t* rb) {  in ringbuffer_size()  argument
57   assert(rb);  in ringbuffer_size()
58   return rb->total - rb->available;  in ringbuffer_size()
61 size_t ringbuffer_insert(ringbuffer_t* rb, const uint8_t* p, size_t length) {  in ringbuffer_insert()  argument
62   assert(rb);  in ringbuffer_insert()
65   if (length > ringbuffer_available(rb)) length = ringbuffer_available(rb);  in ringbuffer_insert()
68     *rb->tail++ = *p++;  in ringbuffer_insert()
69     if (rb->tail >= (rb->base + rb->total)) rb->tail = rb->base;  in ringbuffer_insert()
72   rb->available -= length;  in ringbuffer_insert()
76 size_t ringbuffer_delete(ringbuffer_t* rb, size_t length) {  in ringbuffer_delete()  argument
77   assert(rb);  in ringbuffer_delete()
79   if (length > ringbuffer_size(rb)) length = ringbuffer_size(rb);  in ringbuffer_delete()
81   rb->head += length;  in ringbuffer_delete()
82   if (rb->head >= (rb->base + rb->total)) rb->head -= rb->total;  in ringbuffer_delete()
84   rb->available += length;  in ringbuffer_delete()
88 size_t ringbuffer_peek(const ringbuffer_t* rb, off_t offset, uint8_t* p,  in ringbuffer_peek()  argument
90   assert(rb);  in ringbuffer_peek()
93   assert((size_t)offset <= ringbuffer_size(rb));  in ringbuffer_peek()
95   uint8_t* b = ((rb->head - rb->base + offset) % rb->total) + rb->base;  in ringbuffer_peek()
96   const size_t bytes_to_copy = (offset + length > ringbuffer_size(rb))  in ringbuffer_peek()
97                                    ? ringbuffer_size(rb) - offset  in ringbuffer_peek()
102     if (b >= (rb->base + rb->total)) b = rb->base;  in ringbuffer_peek()
108 size_t ringbuffer_pop(ringbuffer_t* rb, uint8_t* p, size_t length) {  in ringbuffer_pop()  argument
109   assert(rb);  in ringbuffer_pop()
112   const size_t copied = ringbuffer_peek(rb, 0, p, length);  in ringbuffer_pop()
113   rb->head += copied;  in ringbuffer_pop()
114   if (rb->head >= (rb->base + rb->total)) rb->head -= rb->total;  in ringbuffer_pop()
116   rb->available += copied;  in ringbuffer_pop()