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42 lines
848 B
C
42 lines
848 B
C
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/*
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* getversion.c - Get a file version on an ext2 file system
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*
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* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
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* Laboratoire MASI, Institut Blaise Pascal
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* Universite Pierre et Marie Curie (Paris VI)
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Library
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* General Public License, version 2.
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* %End-Header%
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*/
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/*
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* History:
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* 93/10/30 - Creation
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*/
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#if HAVE_EXT2_IOCTLS
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#include <sys/ioctl.h>
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#endif
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#include "e2p.h"
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int getversion (int fd, unsigned long * version)
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{
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#if HAVE_EXT2_IOCTLS
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int r, ver;
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r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
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*version = ver;
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return 0;
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#else /* ! HAVE_EXT2_IOCTLS */
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extern int errno;
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errno = EOPNOTSUPP;
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return -1;
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#endif /* ! HAVE_EXT2_IOCTLS */
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}
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