/* buffer.h : buffer i/o library */
/*
 * PUBLIC DOMAIN - NO COPYRIGHT CLAIMED - Jonathan Mayo - April 2004
 *
 * Updated: June 2008
 *
 */

#ifndef BUFFER_H
#define BUFFER_H
#include <stddef.h>
struct buffer {
	unsigned max;				/* current allocated size */
	/* unsigned resize;*/			 /* TODO: support realloc up to this size */
	unsigned len;				/* length of buffer */
	char *data;
};
/* buffer.c */
void buffer_init(struct buffer *bd, int max);
void buffer_free(struct buffer *bd);
const char *buffer_read_prepare(struct buffer *bd, size_t *len);
void buffer_read_commit(struct buffer *bd, size_t len);
size_t buffer_read(struct buffer *bd, size_t len, char *data);
char *buffer_write_prepare(struct buffer *bd, size_t req_len);
void buffer_write_commit(struct buffer *bd, size_t len, int expand_crlf);
size_t buffer_write(struct buffer *bd, size_t len, const char *data, int expand_crlf);
size_t buffer_avail(struct buffer *bd);
size_t buffer_len(struct buffer *bd);
int buffer_read_line(struct buffer *bd, size_t len, char *line);
void buffer_readline_begin(struct buffer *b, const char **buf, size_t *bufleft);
void buffer_readline_end(struct buffer *b, const char **buf);
const char *buffer_readline_next(const char **buf, size_t *bufleft, size_t *linelen);
#endif
/* vim: ts=4 sts=0 noet sw=4
*/