1#ifndef LINE_BUFFER_H_
2#define LINE_BUFFER_H_
3
4#include "strbuf.h"
5
6#define LINE_BUFFER_LEN 10000
7
8struct line_buffer {
9 char line_buffer[LINE_BUFFER_LEN];
10 FILE *infile;
11};
12#define LINE_BUFFER_INIT { "", NULL }
13
14int buffer_init(struct line_buffer *buf, const char *filename);
15int buffer_fdinit(struct line_buffer *buf, int fd);
16int buffer_deinit(struct line_buffer *buf);
17void buffer_reset(struct line_buffer *buf);
18
19int buffer_tmpfile_init(struct line_buffer *buf);
20FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */
21long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
22
23int buffer_ferror(struct line_buffer *buf);
24char *buffer_read_line(struct line_buffer *buf);
25int buffer_read_char(struct line_buffer *buf);
26size_t buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, size_t len);
27/* Returns number of bytes read (not necessarily written). */
28off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);
29off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);
30
31#endif