/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
 * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * This file contains public declarations for the H5F module.
 */
#ifndef _H5Fpublic_H
#define _H5Fpublic_H

/* Public header files needed by this file */
#include "H5public.h"
#include "H5Ipublic.h"

/*
 * These are the bits that can be passed to the `flags' argument of
 * H5Fcreate() and H5Fopen(). Use the bit-wise OR operator (|) to combine
 * them as needed.  As a side effect, they call H5check_version() to make sure
 * that the application is compiled with a version of the hdf5 header files
 * which are compatible with the library to which the application is linked.
 * We're assuming that these constants are used rather early in the hdf5
 * session.
 */
#define H5F_ACC_RDONLY	(H5check(),0x0000u)	/*absence of rdwr => rd-only */
#define H5F_ACC_RDWR	(H5check(),0x0001u)	/*open for read and write    */
#define H5F_ACC_TRUNC	(H5check(),0x0002u)	/*overwrite existing files   */
#define H5F_ACC_EXCL	(H5check(),0x0004u)	/*fail if file already exists*/
#define H5F_ACC_DEBUG	(H5check(),0x0008u)	/*print debug info	     */
#define H5F_ACC_CREAT	(H5check(),0x0010u)	/*create non-existing files  */


#ifdef H5_HAVE_PARALLEL
/*
 * Use this constant string as the MPI_Info key to set H5Fmpio debug flags.
 * To turn on H5Fmpio debug flags, set the MPI_Info value with this key to
 * have the value of a string consisting of the characters that turn on the
 * desired flags.
 */
#define H5F_MPIO_DEBUG_KEY "H5F_mpio_debug_key"
#endif

#if defined(WANT_H5_V1_2_COMPAT) || defined(H5_WANT_H5_V1_2_COMPAT)
/*
 * Low-level file drivers.  These values are returned by H5Pget_file_driver()
 * and are set by the various H5Pset_...() functions that set file driver
 * properties.
 */
typedef enum H5F_driver_t {
    H5F_LOW_ERROR	= -1,	/*error return value			*/
    H5F_LOW_STDIO	= 0,	/*use functions declared in stdio.h	*/
    H5F_LOW_SEC2	= 1, 	/*use functions declared in unistd.h	*/
    H5F_LOW_MPIO	= 2,	/*use indep or collective MPI-IO	*/
    H5F_LOW_CORE	= 3,	/*use malloc() and free()		*/
    H5F_LOW_SPLIT	= 4,	/*separate meta data from raw data	*/
    H5F_LOW_FAMILY	= 5 	/*split addr space over many files	*/
} H5F_driver_t;
#endif /* WANT_H5_V1_2_COMPAT */

/* The difference between a single file and a set of mounted files */
typedef enum H5F_scope_t {
    H5F_SCOPE_LOCAL	= 0,	/*specified file handle only		*/
    H5F_SCOPE_GLOBAL	= 1,	/*entire virtual file			*/
    H5F_SCOPE_DOWN      = 2	/*for internal use only			*/
} H5F_scope_t;

/* Unlimited file size for H5Pset_external() */
#define H5F_UNLIMITED	((hsize_t)(-1L))

/* How is the `bkg' buffer used by the conversion function? */
typedef enum H5T_bkg_t {
    H5T_BKG_NO		= 0, 	/*background buffer is not needed, send NULL */
    H5T_BKG_TEMP	= 1, 	/*bkg buffer used as temp storage only	     */
    H5T_BKG_YES		= 2	/*init bkg buf with data before conversion   */
} H5T_bkg_t;

#ifdef __cplusplus
extern "C" {
#endif

/* Functions in H5F.c */
H5_DLL htri_t H5Fis_hdf5 (const char *filename);
H5_DLL hid_t H5Fcreate (const char *filename, unsigned flags,
			 hid_t create_plist, hid_t access_plist);
H5_DLL hid_t H5Fopen (const char *filename, unsigned flags,
		       hid_t access_plist);
H5_DLL hid_t H5Freopen(hid_t file_id);
H5_DLL herr_t H5Fflush(hid_t object_id, H5F_scope_t scope);
H5_DLL herr_t H5Fclose (hid_t file_id);
H5_DLL hid_t H5Fget_create_plist (hid_t file_id);
H5_DLL hid_t H5Fget_access_plist (hid_t file_id);
H5_DLL herr_t H5Fmount(hid_t loc, const char *name, hid_t child, hid_t plist);
H5_DLL herr_t H5Funmount(hid_t loc, const char *name);

#ifdef __cplusplus
}
#endif
#endif
