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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Thursday, March 10, 2005
*
* Purpose: v2 B-tree callback routines for block info records
*/
#define H5BT_PACKAGE /*suppress error about including H5BTpkg */
/* Private headers */
#include "H5private.h" /* Generic Functions */
#include "H5BTpkg.h" /* Block tracker */
#include "H5Eprivate.h" /* Error handling */
/* Static Prototypes */
static herr_t H5BT_store(void *nrecord, const void *udata);
static herr_t H5BT_retrieve(void *udata, const void *nrecord);
static herr_t H5BT_compare(const void *rec1, const void *rec2);
static herr_t H5BT_encode(const H5F_t *f, uint8_t *raw,
const void *nrecord);
static herr_t H5BT_decode(const H5F_t *f, const uint8_t *raw,
void *nrecord);
static herr_t H5BT_debug(FILE *stream, const H5F_t *f, hid_t dxpl_id,
int indent, int fwidth, const void *record, const void *_udata);
/* Package variables */
const H5B2_class_t H5B2_BLKTRK[1]={{ /* B-tree class information */
H5B2_BLK_TRK_ID, /* Type of B-tree */
sizeof(H5BT_blk_info_t), /* Size of native key */
H5BT_store, /* Record storage callback */
H5BT_retrieve, /* Record retrieval callback */
H5BT_compare, /* Record comparison callback */
H5BT_encode, /* Record encoding callback */
H5BT_decode, /* Record decoding callback */
H5BT_debug /* Record debugging callback */
}};
/*-------------------------------------------------------------------------
* Function: H5BT_store
*
* Purpose: Store native information into record for B-tree
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_store(void *nrecord, const void *udata)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_store)
*(H5BT_blk_info_t *)nrecord = *(const H5BT_blk_info_t *)udata;
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5BT_store() */
/*-------------------------------------------------------------------------
* Function: H5BT_retrieve
*
* Purpose: Retrieve native information from record for B-tree
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_retrieve(void *udata, const void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_retrieve)
*(H5BT_blk_info_t *)udata = *(const H5BT_blk_info_t *)nrecord;
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5BT_retrieve() */
/*-------------------------------------------------------------------------
* Function: H5BT_compare
*
* Purpose: Compare two native information records, according to some key
*
* Return: <0 if rec1 < rec2
* =0 if rec1 == rec2
* >0 if rec1 > rec2
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_compare(const void *rec1, const void *rec2)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_compare)
FUNC_LEAVE_NOAPI(H5F_addr_cmp(((const H5BT_blk_info_t *)rec1)->addr,((const H5BT_blk_info_t *)rec2)->addr));
} /* H5BT_compare() */
/*-------------------------------------------------------------------------
* Function: H5BT_encode
*
* Purpose: Encode native information into raw form for storing on disk
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_encode(const H5F_t *f, uint8_t *raw, const void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_encode)
H5F_addr_encode(f, &raw, ((const H5BT_blk_info_t *)nrecord)->addr);
H5F_ENCODE_LENGTH(f, raw, ((const H5BT_blk_info_t *)nrecord)->len);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5BT_encode() */
/*-------------------------------------------------------------------------
* Function: H5BT_decode
*
* Purpose: Decode raw disk form of record into native form
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_decode(const H5F_t *f, const uint8_t *raw, void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_decode)
H5F_addr_decode(f, &raw, &(((H5BT_blk_info_t *)nrecord)->addr));
H5F_DECODE_LENGTH(f, raw, ((H5BT_blk_info_t *)nrecord)->len);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5BT_decode() */
/*-------------------------------------------------------------------------
* Function: H5BT_debug
*
* Purpose: Debug native form of record
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, March 10, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5BT_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dxpl_id, int indent, int fwidth,
const void *record, const void UNUSED *_udata)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_debug)
HDassert (record);
HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "Block Address:",
((const H5BT_blk_info_t *)record)->addr);
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth, "Block Length:",
((const H5BT_blk_info_t *)record)->len);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5BT_debug() */
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