32 lines
803 B
C
32 lines
803 B
C
|
/* SPDX-License-Identifier: AGPL-3.0-or-later
|
||
|
|
* Copyright Red Hat
|
||
|
|
* Author: David Gibson <david@gibson.dropbear.id.au>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef LINEREAD_H
|
||
|
|
#define LINEREAD_H
|
||
|
|
|
||
|
|
#define LINEREAD_BUFFER_SIZE 8192
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct lineread - Line reader state
|
||
|
|
* @fd: File descriptor lines are read from
|
||
|
|
* @next_line: Offset in @buf of the start of the first line not yet
|
||
|
|
* returned by lineread_get()
|
||
|
|
* @count: Number of bytes in @buf read from the file, but not yet
|
||
|
|
* returned by lineread_get()
|
||
|
|
* @buf: Buffer storing data read from file.
|
||
|
|
*/
|
||
|
|
struct lineread {
|
||
|
|
int fd; int next_line;
|
||
|
|
int count;
|
||
|
|
|
||
|
|
/* One extra byte for possible trailing \0 */
|
||
|
|
char buf[LINEREAD_BUFFER_SIZE+1];
|
||
|
|
};
|
||
|
|
|
||
|
|
void lineread_init(struct lineread *lr, int fd);
|
||
|
|
int lineread_get(struct lineread *lr, char **line);
|
||
|
|
|
||
|
|
#endif /* _LINEREAD_H */
|