Alc/ringbuffer.h

   1 #ifndef RINGBUFFER_H
   2 #define RINGBUFFER_H
   3
   4 #include <stddef.h>
   5
   6
   7 typedef struct ll_ringbuffer ll_ringbuffer_t;
   8 typedef struct ll_ringbuffer_data {
   9     char *buf;
  10     size_t len;
  11 } ll_ringbuffer_data_t;
  12
  13 ll_ringbuffer_t *ll_ringbuffer_create(size_t sz, size_t elem_sz);
  14 void ll_ringbuffer_free(ll_ringbuffer_t *rb);
  15 void ll_ringbuffer_reset(ll_ringbuffer_t *rb);
  16
  17 void ll_ringbuffer_get_read_vector(const ll_ringbuffer_t *rb, ll_ringbuffer_data_t *vec);
  18 void ll_ringbuffer_get_write_vector(const ll_ringbuffer_t *rb, ll_ringbuffer_data_t *vec);
  19
  20 size_t ll_ringbuffer_read(ll_ringbuffer_t *rb, char *dest, size_t cnt);
  21 size_t ll_ringbuffer_peek(ll_ringbuffer_t *rb, char *dest, size_t cnt);
  22 void ll_ringbuffer_read_advance(ll_ringbuffer_t *rb, size_t cnt);
  23 size_t ll_ringbuffer_read_space(const ll_ringbuffer_t *rb);
  24
  25 size_t ll_ringbuffer_write(ll_ringbuffer_t *rb, const char *src, size_t cnt);
  26 void ll_ringbuffer_write_advance(ll_ringbuffer_t *rb, size_t cnt);
  27 size_t ll_ringbuffer_write_space(const ll_ringbuffer_t *rb);
  28
  29 #endif /* RINGBUFFER_H */