summaryrefslogtreecommitdiffstats
path: root/src/H5HLprivate.h
blob: 70e9d715345b4065222687cd24be5b567efaa50d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/*-------------------------------------------------------------------------
 * Copyright (C) 1997-2001 National Center for Supercomputing Applications
 *			   All rights reserved.
 *
 *-------------------------------------------------------------------------
 *
 * Created:		H5HLprivate.h
 *			Jul 16 1997
 *			Robb Matzke <matzke@llnl.gov>
 *
 * Purpose:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
#ifndef _H5HLprivate_H
#define _H5HLprivate_H

#include "H5HLpublic.h"

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

/*
 * 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_MAGIC	"HEAP"		/*heap magic number		     */
#define H5HL_SIZEOF_MAGIC 4

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

#define H5HL_SIZEOF_HDR(F)						      \
    H5HL_ALIGN(H5HL_SIZEOF_MAGIC +	/*heap signature		*/    \
	       4 +			/*reserved			*/    \
	       H5F_SIZEOF_SIZE (F) +	/*data size			*/    \
	       H5F_SIZEOF_SIZE (F) +	/*free list head		*/    \
	       H5F_SIZEOF_ADDR (F))	/*data address			*/

#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 prototypes...
 */
H5_DLL herr_t H5HL_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, haddr_t *addr/*out*/);
H5_DLL void *H5HL_read(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size,
			void *buf);
H5_DLL const void *H5HL_peek(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset);
H5_DLL size_t H5HL_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t size,
			   const void *buf);
H5_DLL herr_t H5HL_write(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size,
			  const void *buf);
H5_DLL herr_t H5HL_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, size_t offset, size_t size);
H5_DLL herr_t H5HL_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent,
			  int fwidth);
#endif