24 lines
443 B
C
24 lines
443 B
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#define BUF_LEN_MAX 256
|
||
|
|
struct buf {
|
||
|
|
uint8_t buf[BUF_LEN_MAX];
|
||
|
|
size_t start;
|
||
|
|
size_t length;
|
||
|
|
};
|
||
|
|
#define BUF_INIT { \
|
||
|
|
.start = 0, \
|
||
|
|
.length = 0, \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define buf_chr(buff, at) ((buff)->buf[(buff)->start + (at)])
|
||
|
|
#define buf_at(buff, at) (&buf_chr(buff, at))
|
||
|
|
|
||
|
|
void buf_init(struct buf *);
|
||
|
|
ssize_t buf_fill(struct buf *, int);
|
||
|
|
void buf_consume(struct buf *, size_t);
|