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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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Ocont.c
* Aug 6 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: The object header continuation message. This
* message is only generated and read from within
* the H5O package. Therefore, do not change
* any definitions in this file!
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#include "H5private.h"
#include "H5Eprivate.h"
#include "H5MMprivate.h"
#include "H5Opkg.h" /* Object header functions */
#define PABLO_MASK H5O_cont_mask
/* PRIVATE PROTOTYPES */
static void *H5O_cont_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p, H5O_shared_t *sh);
static herr_t H5O_cont_encode(H5F_t *f, uint8_t *p, const void *_mesg);
static herr_t H5O_cont_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream,
int indent, int fwidth);
/* This message derives from H5O */
const H5O_class_t H5O_CONT[1] = {{
H5O_CONT_ID, /*message id number */
"hdr continuation", /*message name for debugging */
sizeof(H5O_cont_t), /*native message size */
H5O_cont_decode, /*decode message */
H5O_cont_encode, /*encode message */
NULL, /*no copy method */
NULL, /*no size method */
NULL, /*reset method */
NULL, /* free method */
NULL, /* file delete method */
NULL, /* link method */
NULL, /*get share method */
NULL, /*set share method */
H5O_cont_debug, /*debugging */
}};
/* Interface initialization */
static int interface_initialize_g = 0;
#define INTERFACE_INIT NULL
/*-------------------------------------------------------------------------
* Function: H5O_cont_decode
*
* Purpose: Decode the raw header continuation message.
*
* Return: Success: Ptr to the new native message
*
* Failure: NULL
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 6 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_cont_decode(H5F_t *f, hid_t UNUSED dxpl_id, const uint8_t *p, H5O_shared_t UNUSED *sh)
{
H5O_cont_t *cont = NULL;
void *ret_value;
FUNC_ENTER_NOAPI(H5O_cont_decode, NULL);
/* check args */
assert(f);
assert(p);
assert (!sh);
/* decode */
if (NULL==(cont = H5MM_calloc(sizeof(H5O_cont_t))))
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed");
H5F_addr_decode(f, &p, &(cont->addr));
H5F_DECODE_LENGTH(f, p, cont->size);
/* Set return value */
ret_value=cont;
done:
FUNC_LEAVE_NOAPI(ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_cont_encode
*
* Purpose: Encodes a continuation message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 7 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_cont_encode(H5F_t *f, uint8_t *p, const void *_mesg)
{
const H5O_cont_t *cont = (const H5O_cont_t *) _mesg;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5O_cont_encode, FAIL);
/* check args */
assert(f);
assert(p);
assert(cont);
/* encode */
H5F_addr_encode(f, &p, cont->addr);
H5F_ENCODE_LENGTH(f, p, cont->size);
done:
FUNC_LEAVE_NOAPI(ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_cont_debug
*
* Purpose: Prints debugging info.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 6 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_cont_debug(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_mesg, FILE * stream,
int indent, int fwidth)
{
const H5O_cont_t *cont = (const H5O_cont_t *) _mesg;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5O_cont_debug, FAIL);
/* check args */
assert(f);
assert(cont);
assert(stream);
assert(indent >= 0);
assert(fwidth >= 0);
HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
"Continuation address:", cont->addr);
HDfprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
"Continuation size in bytes:",
(unsigned long) (cont->size));
HDfprintf(stream, "%*s%-*s %d\n", indent, "", fwidth,
"Points to chunk number:",
(int) (cont->chunkno));
done:
FUNC_LEAVE_NOAPI(ret_value);
}
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