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/*
 * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 * 
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 * 
 * http://www.sgi.com 
 * 
 * For further information regarding this notice, see: 
 * 
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */
#ifndef __JDM_H__
#define __JDM_H__

typedef int	intgen_t;
typedef void	jdm_fshandle_t;		/* filesystem handle */
typedef void	jdm_filehandle_t;	/* filehandle */

struct xfs_bstat;


extern jdm_fshandle_t *
jdm_getfshandle( char *mntpnt);

extern void
jdm_new_filehandle( jdm_filehandle_t **handlep,	/* new filehandle */
		    size_t *hlen,		/* new filehandle size */
		    jdm_fshandle_t *fshandlep,	/* filesystem filehandle */
		    struct xfs_bstat *sp);	/* bulkstat info */
		    
extern void
jdm_delete_filehandle( jdm_filehandle_t *handlep,/* filehandle to delete */
		       size_t hlen);		/* filehandle size */

extern intgen_t
jdm_open( jdm_fshandle_t *fshandlep,
	  struct xfs_bstat *sp,
	  intgen_t oflags);

extern intgen_t
jdm_readlink( jdm_fshandle_t *fshandlep,
	      struct xfs_bstat *sp,
	      char *bufp,
	      size_t bufsz);

/* macro for determining the size of a structure member */
#define sizeofmember( t, m )	sizeof( ( ( t * )0 )->m )

/* macro for calculating the offset of a structure member */
#define offsetofmember( t, m )	( ( size_t )( char * )&( ( ( t * )0 )->m ) )

#endif	/* __JDM_H__ */