H5HLprivate.h

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*-------------------------------------------------------------------------
 *
 * Created:             H5HLprivate.h
 *                      Jul 16 1997
 *                      Robb Matzke <matzke@llnl.gov>
 *
 * Purpose:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
#ifndef _H5HLprivate_H
#define _H5HLprivate_H

/* Include package's public header */
#include "H5HLpublic.h"

/* Private headers needed by this file. */
#include "H5private.h"          /* Generic Functions                    */
#include "H5ACprivate.h"        /* Metadata cache                       */
#include "H5Fprivate.h"         /* File access                          */

/*
 * Feature: Define H5HL_DEBUG on the compiler command line if you want to
 *          diagnostic messages from this layer.
 */
#ifdef NDEBUG
#  undef H5HL_DEBUG
#endif

#define H5HL_ALIGN(X)   (((X)+7)&(unsigned)(~0x07)) /*align on 8-byte boundary  */

#define H5HL_SIZEOF_FREE(F)                                                   \
    H5HL_ALIGN(H5F_SIZEOF_SIZE (F) +    /*ptr to next free block        */    \
               H5F_SIZEOF_SIZE (F))     /*size of this free block       */

/****************************/
/* Library Private Typedefs */
/****************************/

/* Typedef for local heap in memory (defined in H5HLpkg.h) */
typedef struct H5HL_t H5HL_t;

/*
 * Library prototypes...
 */
H5_DLL herr_t H5HL_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, haddr_t *addr/*out*/);
H5_DLL H5HL_t *H5HL_protect(H5F_t *f, hid_t dxpl_id, haddr_t addr, H5AC_protect_t rw);
H5_DLL void *H5HL_offset_into(const H5HL_t *heap, size_t offset);
H5_DLL herr_t H5HL_remove(H5F_t *f, hid_t dxpl_id, H5HL_t *heap, size_t offset,
    size_t size);
H5_DLL herr_t H5HL_unprotect(H5HL_t *heap);
H5_DLL size_t H5HL_insert(H5F_t *f, hid_t dxpl_id, H5HL_t *heap, size_t size,
    const void *buf);
H5_DLL herr_t H5HL_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr);
H5_DLL herr_t H5HL_get_size(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t *size);
H5_DLL herr_t H5HL_heapsize(H5F_t *f, hid_t dxpl_id, haddr_t addr, hsize_t *heap_size);

/* Debugging functions */
H5_DLL herr_t H5HL_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent,
                          int fwidth);
#endif