lua-ssocket/buffer.h at master · cofyc/lua-ssocket

26 lines (21 loc) · 647 Bytes

#ifndef BUFFER_H

#define BUFFER_H

/**

* String Buffer.

#include <stdlib.h>

#include <string.h>

struct buffer {

char *pos; /* start position of string */

char *last; /* end position of string */

char *start; /* start of buffer */

char *end; /* end of buffer */

};

#define buffer_size(buf) (buf->last - buf->pos)

#define buffer_available(buf) (buf->end - buf->last)

#define buffer_capacity(buf) (buf->end - buf->start)

struct buffer *buffer_create(size_t size);

void buffer_shrink(struct buffer *buf);

int buffer_grow(struct buffer *buf, size_t extra);

void buffer_delete(struct buffer *buf);

#endif

Provide feedback