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/*
* getversion.c - Get a file version on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* This file can be redistributed under the terms of the GNU Library General
* Public License
*/
/*
* History:
* 93/10/30 - Creation
*/
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#include <sys/ioctl.h>
#include "e2p.h"
int getversion (int fd, unsigned long * version)
{
#if HAVE_EXT2_IOCTLS
int r, ver;
r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
*version = ver;
return 0;
#else /* ! HAVE_EXT2_IOCTLS */
extern int errno;
errno = EOPNOTSUPP;
return -1;
#endif /* ! HAVE_EXT2_IOCTLS */
}
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