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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Oname.c
*
* Purpose: Object name (comment) message
*
*-------------------------------------------------------------------------
*/
#include "H5Omodule.h" /* This source code file is part of the H5O module */
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5MMprivate.h" /* Memory management */
#include "H5Opkg.h" /* Object headers */
/* PRIVATE PROTOTYPES */
static void *H5O__name_decode(H5F_t *f, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, size_t p_size,
const uint8_t *p);
static herr_t H5O__name_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O__name_copy(const void *_mesg, void *_dest);
static size_t H5O__name_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static herr_t H5O__name_reset(void *_mesg);
static herr_t H5O__name_debug(H5F_t *f, 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 */
0, /* messages are shareable? */
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, /*set share method */
NULL, /*can share method */
NULL, /* pre copy native value to file */
NULL, /* copy native value to file */
NULL, /* post copy native value to file */
NULL, /* get creation index */
NULL, /* set creation index */
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
*-------------------------------------------------------------------------
*/
static void *
H5O__name_decode(H5F_t H5_ATTR_NDEBUG_UNUSED *f, H5O_t H5_ATTR_UNUSED *open_oh,
unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, size_t p_size,
const uint8_t *p)
{
H5O_name_t *mesg = NULL;
void *ret_value = NULL;
FUNC_ENTER_PACKAGE
assert(f);
assert(p);
if (NULL == (mesg = (H5O_name_t *)H5MM_calloc(sizeof(H5O_name_t))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
if (NULL == (mesg->s = (char *)H5MM_strndup((const char *)p, p_size - 1)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
ret_value = mesg;
done:
if (NULL == ret_value)
if (mesg) {
H5MM_xfree(mesg->s);
H5MM_xfree(mesg);
}
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O__name_decode() */
/*-------------------------------------------------------------------------
* Function: H5O__name_encode
*
* Purpose: Encodes a name message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Aug 12 1997
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O__name_encode(H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p,
const void *_mesg)
{
const H5O_name_t *mesg = (const H5O_name_t *)_mesg;
FUNC_ENTER_PACKAGE_NOERR
/* check args */
assert(f);
assert(p);
assert(mesg && mesg->s);
/* encode */
HDstrcpy((char *)p, mesg->s);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5O__name_encode() */
/*-------------------------------------------------------------------------
* 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
* Aug 12 1997
*
*-------------------------------------------------------------------------
*/
static void *
H5O__name_copy(const void *_mesg, void *_dest)
{
const H5O_name_t *mesg = (const H5O_name_t *)_mesg;
H5O_name_t *dest = (H5O_name_t *)_dest;
void *ret_value = NULL; /* Return value */
FUNC_ENTER_PACKAGE
/* check args */
assert(mesg);
if (!dest && NULL == (dest = (H5O_name_t *)H5MM_calloc(sizeof(H5O_name_t))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
/* copy */
*dest = *mesg;
if (NULL == (dest->s = H5MM_xstrdup(mesg->s)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
/* Set return value */
ret_value = dest;
done:
if (NULL == ret_value)
if (dest && NULL == _dest)
dest = (H5O_name_t *)H5MM_xfree(dest);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O__name_copy() */
/*-------------------------------------------------------------------------
* 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
* Aug 12 1997
*
*-------------------------------------------------------------------------
*/
static size_t
H5O__name_size(const H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg)
{
const H5O_name_t *mesg = (const H5O_name_t *)_mesg;
size_t ret_value = 0; /* Return value */
FUNC_ENTER_PACKAGE_NOERR
/* check args */
assert(f);
assert(mesg);
ret_value = mesg->s ? HDstrlen(mesg->s) + 1 : 0;
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O__name_size() */
/*-------------------------------------------------------------------------
* 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
* Aug 12 1997
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O__name_reset(void *_mesg)
{
H5O_name_t *mesg = (H5O_name_t *)_mesg;
FUNC_ENTER_PACKAGE_NOERR
/* check args */
assert(mesg);
/* reset */
mesg->s = (char *)H5MM_xfree(mesg->s);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5O__name_reset() */
/*-------------------------------------------------------------------------
* Function: H5O__name_debug
*
* Purpose: Prints debugging info for the message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Aug 12 1997
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O__name_debug(H5F_t H5_ATTR_UNUSED *f, const void *_mesg, FILE *stream, int indent, int fwidth)
{
const H5O_name_t *mesg = (const H5O_name_t *)_mesg;
FUNC_ENTER_PACKAGE_NOERR
/* 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)
} /* end H5O__name_debug() */
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