mirror of
https://github.com/Mathewnd/Astral.git
synced 2026-10-27 12:48:22 +00:00
Matheus
26 lines
796 B
C
26 lines
796 B
C
#ifndef _RINGBUFFER_H
|
|
#define _RINGBUFFER_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
typedef struct {
|
|
size_t size;
|
|
uintmax_t write;
|
|
uintmax_t read;
|
|
void *data;
|
|
} ringbuffer_t;
|
|
|
|
int ringbuffer_init(ringbuffer_t *ringbuffer, size_t size);
|
|
void ringbuffer_destroy(ringbuffer_t *ringbuffer);
|
|
size_t ringbuffer_read(ringbuffer_t* ringbuffer, void *buffer, size_t count);
|
|
size_t ringbuffer_write(ringbuffer_t* ringbuffer, void *buffer, size_t count);
|
|
size_t ringbuffer_truncate(ringbuffer_t *ringbuffer, size_t count);
|
|
size_t ringbuffer_peek(ringbuffer_t *ringbuffer, void *buffer, uintmax_t offset, size_t count);
|
|
|
|
#define RINGBUFFER_DATACOUNT(x) ((x)->write - (x)->read)
|
|
#define RINGBUFFER_SIZE(x) (x)->size
|
|
#define RINGBUFFER_FREESPACE(x) (RINGBUFFER_SIZE(x) - RINGBUFFER_DATACOUNT(x))
|
|
|
|
#endif
|