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/*-------------------------------------------------------------------------
 * Copyright (C) 1997   National Center for Supercomputing Applications.
 *                      All rights reserved.
 *
 *-------------------------------------------------------------------------
 *
 * Created:             H5Hprivate.h
 *                      Jul 16 1997
 *                      Robb Matzke <matzke@llnl.gov>
 *
 * Purpose:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
#ifndef _H5Hprivate_H
#define _H5Hprivate_H

#include <H5Hpublic.h>

/* Private headers needed by this file. */
#include <H5private.h>
#include <H5Fprivate.h>

#define H5H_MAGIC       "HEAP"          /*heap magic number                  */
#define H5H_SIZEOF_MAGIC 4

#define H5H_SIZEOF_HDR(F)                                                     \
   (H5H_SIZEOF_MAGIC +                  /*heap signature                */    \
    H5F_SIZEOF_SIZE (F) +               /*data size                     */    \
    H5F_SIZEOF_SIZE (F) +               /*free list head                */    \
    H5F_SIZEOF_ADDR (F))        /*data address                    */

#define H5H_SIZEOF_FREE(F)                                                    \
   (H5F_SIZEOF_SIZE (F) +               /*ptr to next free block        */    \
   H5F_SIZEOF_SIZE (F))         /*size of this free block */

typedef enum H5H_type_t {
    H5H_LOCAL    = 0,           /*local symtab name heap                     */
    H5H_GLOBAL   = 1            /*global small object heap                   */
} H5H_type_t;

/*
 * Library prototypes...
 */
herr_t H5H_create (H5F_t *f, H5H_type_t type, size_t size_hint,
                   haddr_t *addr/*out*/);
void *H5H_read (H5F_t *f, const haddr_t *addr, size_t offset, size_t size,
                void *buf);
const void *H5H_peek (H5F_t *f, const haddr_t *addr, size_t offset);
size_t H5H_insert (H5F_t *f, const haddr_t *addr, size_t size,
                   const void *buf);
herr_t H5H_write (H5F_t *f, const haddr_t *addr, size_t offset, size_t size,
                  const void *buf);
herr_t H5H_remove (H5F_t *f, const haddr_t *addr, size_t offset, size_t size);
herr_t H5H_debug (H5F_t *f, const haddr_t *addr, FILE * stream, intn indent,
                  intn fwidth);
#endif