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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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: H5Oname.c
* Aug 12 1997
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Object name message.
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#include "H5private.h"
#include "H5Eprivate.h"
#include "H5MMprivate.h"
#include "H5Opkg.h" /* Object header functions */
/* PRIVATE PROTOTYPES */
static void *H5O_name_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p);
static herr_t H5O_name_encode(H5F_t *f, uint8_t *p, const void *_mesg);
static void *H5O_name_copy(const void *_mesg, void *_dest, unsigned update_flags);
static size_t H5O_name_size(const H5F_t *f, const void *_mesg);
static herr_t H5O_name_reset(void *_mesg);
static herr_t H5O_name_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream,
int indent, int fwidth);
/* This message derives from H5O message class */
const H5O_msg_class_t H5O_MSG_NAME[1] = {{
H5O_NAME_ID, /*message id number */
"name", /*message name for debugging */
sizeof(H5O_name_t), /*native message size */
H5O_name_decode, /*decode message */
H5O_name_encode, /*encode message */
H5O_name_copy, /*copy the native value */
H5O_name_size, /*raw message size */
H5O_name_reset, /*free internal memory */
NULL, /* free method */
NULL, /* file delete method */
NULL, /* link method */
NULL, /*get share method */
NULL, /*set share method */
H5O_name_debug /*debug the message */
}};
/*-------------------------------------------------------------------------
* Function: H5O_name_decode
*
* Purpose: Decode a name message and return a pointer to a new
* native message struct.
*
* Return: Success: Ptr to new message in native struct.
*
* Failure: NULL
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_name_decode(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const uint8_t *p)
{
H5O_name_t *mesg;
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5O_name_decode);
/* check args */
assert(f);
assert(p);
/* decode */
if (NULL==(mesg = H5MM_calloc(sizeof(H5O_name_t))) ||
NULL==(mesg->s = H5MM_malloc (HDstrlen((const char*)p)+1)))
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed");
HDstrcpy(mesg->s, (const char*)p);
/* Set return value */
ret_value=mesg;
done:
if(ret_value==NULL) {
if(mesg)
H5MM_xfree (mesg);
} /* end if */
FUNC_LEAVE_NOAPI(ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_name_encode
*
* Purpose: Encodes a name message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_name_encode(H5F_t UNUSED *f, uint8_t *p, const void *_mesg)
{
const H5O_name_t *mesg = (const H5O_name_t *) _mesg;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_encode);
/* check args */
assert(f);
assert(p);
assert(mesg && mesg->s);
/* encode */
HDstrcpy((char*)p, mesg->s);
FUNC_LEAVE_NOAPI(SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: H5O_name_copy
*
* Purpose: Copies a message from _MESG to _DEST, allocating _DEST if
* necessary.
*
* Return: Success: Ptr to _DEST
*
* Failure: NULL
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_name_copy(const void *_mesg, void *_dest, unsigned UNUSED update_flags)
{
const H5O_name_t *mesg = (const H5O_name_t *) _mesg;
H5O_name_t *dest = (H5O_name_t *) _dest;
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5O_name_copy);
/* check args */
assert(mesg);
if (!dest && NULL==(dest = H5MM_calloc(sizeof(H5O_name_t))))
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed");
/* copy */
*dest = *mesg;
if((dest->s = H5MM_xstrdup(mesg->s))==NULL)
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed");
/* Set return value */
ret_value=dest;
done:
FUNC_LEAVE_NOAPI(ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_name_size
*
* Purpose: Returns the size of the raw message in bytes not
* counting the message typ or size fields, but only the data
* fields. This function doesn't take into account
* alignment.
*
* Return: Success: Message data size in bytes w/o alignment.
*
* Failure: Negative
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static size_t
H5O_name_size(const H5F_t UNUSED *f, const void *_mesg)
{
const H5O_name_t *mesg = (const H5O_name_t *) _mesg;
size_t ret_value;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_size);
/* check args */
assert(f);
assert(mesg);
ret_value = mesg->s ? HDstrlen(mesg->s) + 1 : 0;
FUNC_LEAVE_NOAPI(ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_name_reset
*
* Purpose: Frees internal pointers and resets the message to an
* initial state.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_name_reset(void *_mesg)
{
H5O_name_t *mesg = (H5O_name_t *) _mesg;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_reset);
/* check args */
assert(mesg);
/* reset */
mesg->s = H5MM_xfree(mesg->s);
FUNC_LEAVE_NOAPI(SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: H5O_name_debug
*
* Purpose: Prints debugging info for the message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 12 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_name_debug(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_mesg, FILE *stream,
int indent, int fwidth)
{
const H5O_name_t *mesg = (const H5O_name_t *)_mesg;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_name_debug);
/* check args */
assert(f);
assert(mesg);
assert(stream);
assert(indent >= 0);
assert(fwidth >= 0);
fprintf(stream, "%*s%-*s `%s'\n", indent, "", fwidth,
"Name:",
mesg->s);
FUNC_LEAVE_NOAPI(SUCCEED);
}
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