socks5-buf.h

#ifndef __OPENCONNECT_SOCKS5_BUF_H__
#define __OPENCONNECT_SOCKS5_BUF_H__

#include <stddef.h>

struct s5_buf {
	unsigned char *data;
	size_t start;
	size_t len;
	size_t cap;
};

void s5_buf_init(struct s5_buf *buf);
void s5_buf_free(struct s5_buf *buf);
size_t s5_buf_len(const struct s5_buf *buf);
const unsigned char *s5_buf_data(const struct s5_buf *buf);
unsigned char *s5_buf_tail(struct s5_buf *buf, size_t needed,
			   size_t min_cap, size_t max_cap);
void s5_buf_produce(struct s5_buf *buf, size_t produced);
void s5_buf_consume(struct s5_buf *buf, size_t consumed);
void s5_buf_consume_no_compact(struct s5_buf *buf, size_t consumed);
int s5_buf_append(struct s5_buf *buf, const void *data, size_t len,
		  size_t min_cap, size_t max_cap);

#endif /* __OPENCONNECT_SOCKS5_BUF_H__ */