43 void ringbuffer_free(ringbuffer_t *rb) {  in ringbuffer_free()  argument
44   if (rb != NULL)  in ringbuffer_free()
45     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   assert(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   assert(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   assert(rb);  in ringbuffer_insert()
63   if (length > ringbuffer_available(rb))  in ringbuffer_insert()
64     length = ringbuffer_available(rb);  in ringbuffer_insert()
67     *rb->tail++ = *p++;  in ringbuffer_insert()
68     if (rb->tail >= (rb->base + rb->total))  in ringbuffer_insert()
69       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))  in ringbuffer_delete()
80     length = ringbuffer_size(rb);  in ringbuffer_delete()
82   rb->head += length;  in ringbuffer_delete()
83   if (rb->head >= (rb->base + rb->total))  in ringbuffer_delete()
84     rb->head -= rb->total;  in ringbuffer_delete()
86   rb->available += length;  in ringbuffer_delete()
90 size_t ringbuffer_peek(const ringbuffer_t *rb, off_t offset, uint8_t *p, size_t length) {  in ringbuffer_peek()  argument
91   assert(rb);  in ringbuffer_peek()
94   assert((size_t)offset <= ringbuffer_size(rb));  in ringbuffer_peek()
96   uint8_t *b = ((rb->head - rb->base + offset) % rb->total) + rb->base;  in ringbuffer_peek()
97 …const size_t bytes_to_copy = (offset + length > ringbuffer_size(rb)) ? ringbuffer_size(rb) - offse…  in ringbuffer_peek()
101     if (b >= (rb->base + rb->total))  in ringbuffer_peek()
102       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))  in ringbuffer_pop()
115     rb->head -= rb->total;  in ringbuffer_pop()
117   rb->available += copied;  in ringbuffer_pop()