ring-buffer.h

   1 #ifndef RING_BUFFER_H
   2 #define RING_BUFFER_H
   3
   4 #include <stdbool.h>
   5 #include <stddef.h>
   6
   7 /*
   8  * Circular buffer with functions for accessing elements in order.
   9  * One slot always remains unused to distinguish between the empty/full case.
  10  */
  11
  12 typedef struct RingBuffer RingBuffer;
  13
  14 RingBuffer *ringbuf_alloc(size_t size);
  15 void ringbuf_free(RingBuffer*);
  16 void ringbuf_add(RingBuffer*, const void *value);
  17 const void *ringbuf_prev(RingBuffer*);
  18 const void *ringbuf_next(RingBuffer*);
  19 void ringbuf_invalidate(RingBuffer*);
  20
  21 #endif