1/*
2 * getversion.c		- Get a file version on an ext2 file system
3 *
4 * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
5 *                           Laboratoire MASI, Institut Blaise Pascal
6 *                           Universite Pierre et Marie Curie (Paris VI)
7 *
8 * This file can be redistributed under the terms of the GNU Library General
9 * Public License
10 */
11
12/*
13 * History:
14 * 93/10/30	- Creation
15 */
16
17#if HAVE_ERRNO_H
18#include <errno.h>
19#endif
20#include <sys/ioctl.h>
21
22#include "e2p.h"
23
24int getversion (int fd, unsigned long * version)
25{
26#if HAVE_EXT2_IOCTLS
27	int	r, ver;
28
29	r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
30	*version = ver;
31	return 0;
32#else /* ! HAVE_EXT2_IOCTLS */
33	extern int errno;
34	errno = EOPNOTSUPP;
35	return -1;
36#endif /* ! HAVE_EXT2_IOCTLS */
37}
38