Esempio n. 1
0
/*-------------------------------------------------------------------------
 * Function:  H5Tset_cset
 *
 * Purpose:  HDF5 is able to distinguish between character sets of
 *    different nationalities and to convert between them to the
 *    extent possible.
 *
 * Return:  Non-negative on success/Negative on failure
 *
 * Programmer:  Robb Matzke
 *    Friday, January   9, 1998
 *
 * Modifications:
 *   Robb Matzke, 22 Dec 1998
 *  Also works with derived data types.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_cset(hid_t type_id, H5T_cset_t cset)
{
    H5T_t  *dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Tset_cset, FAIL)
    H5TRACE2("e","iTc",type_id,cset);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
  HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
    if (H5T_STATE_TRANSIENT!=dt->shared->state)
  HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only")
    if (cset < H5T_CSET_ASCII || cset >= H5T_NCSET)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal character set type")
    while (dt->shared->parent && !H5T_IS_STRING(dt->shared))
        dt = dt->shared->parent;  /*defer to parent*/
    if (!H5T_IS_STRING(dt->shared))
  HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for data type class")

    /* Commit */
    if(H5T_IS_FIXED_STRING(dt->shared))
        dt->shared->u.atomic.u.s.cset = cset;
    else
        dt->shared->u.vlen.cset = cset;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 2
0
/*-------------------------------------------------------------------------
 * Function: H5Iget_name
 *
 * Purpose: Gets a name of an object from its ID.
 *
 * Return: Success: The length of name.
 *
 *         Failure: -1
 *
 * Programmer: Pedro Vicente, [email protected]
 *
 * Date: July 26, 2002
 *
 * Comments: Public function
 *  If `name' is non-NULL then write up to `size' bytes into that
 *  buffer and always return the length of the entry name.
 *  Otherwise `size' is ignored and the function does not store the name,
 *  just returning the number of characters required to store the name.
 *  If an error occurs then the buffer pointed to by `name' (NULL or non-NULL)
 *  is unchanged and the function returns a negative value.
 *  If a zero is returned for the name's length, then there is no name
 *  associated with the ID.
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
ssize_t
H5Iget_name(hid_t id, char *name/*out*/, size_t size)
{
    H5G_entry_t   *ent;       /*symbol table entry */
    size_t        len=0;
    ssize_t       ret_value;

    FUNC_ENTER_API (H5Iget_name, FAIL);
    H5TRACE3("Zs","ixz",id,name,size);

    /* get symbol table entry */
    if(NULL!=(ent = H5G_loc(id))) {
        if (ent->user_path_r != NULL && ent->user_path_hidden==0) {
            len = H5RS_len(ent->user_path_r);

            if(name) {
                HDstrncpy(name, H5RS_get_str(ent->user_path_r), MIN(len+1,size));
                if(len >= size)
                    name[size-1]='\0';
            } /* end if */
        } /* end if */
    } /* end if */

    /* Set return value */
    ret_value=(ssize_t)len;

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 3
0
/*-------------------------------------------------------------------------
 * Function:	H5Tget_fields
 *
 * Purpose:	Returns information about the locations of the various bit
 *		fields of a floating point datatype.  The field positions
 *		are bit positions in the significant region of the datatype.
 *		Bits are numbered with the least significant bit number zero.
 *
 *		Any (or even all) of the arguments can be null pointers.
 *
 * Return:	Success:	Non-negative, field locations and sizes are
 *				returned through the arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tget_fields(hid_t type_id, size_t *spos/*out*/, size_t *epos/*out*/,
size_t *esize/*out*/, size_t *mpos/*out*/, size_t *msize/*out*/)
{
    H5T_t	*dt;                    /* Datatype */
    herr_t      ret_value = SUCCEED;    /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE6("e", "ixxxxx", type_id, spos, epos, esize, mpos, msize);

    /* Check args */
    if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    while(dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if(H5T_FLOAT != dt->shared->type)
        HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "operation not defined for datatype class")

    /* Get values */
    if(spos)
        *spos = dt->shared->u.atomic.u.f.sign;
    if(epos)
        *epos = dt->shared->u.atomic.u.f.epos;
    if(esize)
        *esize = dt->shared->u.atomic.u.f.esize;
    if(mpos)
        *mpos = dt->shared->u.atomic.u.f.mpos;
    if(msize)
        *msize = dt->shared->u.atomic.u.f.msize;

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Tget_fields() */
Esempio n. 4
0
/*-------------------------------------------------------------------------
 * Function:	H5Tset_norm
 *
 * Purpose:	Sets the mantissa normalization method for a floating point
 *		datatype.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_norm(hid_t type_id, H5T_norm_t norm)
{
    H5T_t	*dt;                    /* Datatype */
    herr_t      ret_value = SUCCEED;    /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE2("e", "iTn", type_id, norm);

    /* Check args */
    if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    if(H5T_STATE_TRANSIENT != dt->shared->state)
	HGOTO_ERROR(H5E_ARGS, H5E_CANTSET, FAIL, "datatype is read-only")
    if(norm < H5T_NORM_IMPLIED || norm > H5T_NORM_NONE)
	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal normalization")
    while(dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if(H5T_FLOAT != dt->shared->type)
	HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "operation not defined for datatype class")

    /* Commit */
    dt->shared->u.atomic.u.f.norm = norm;

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Tset_norm() */
Esempio n. 5
0
/*-------------------------------------------------------------------------
 * Function:	H5Pget_hyper_cache
 *
 * Purpose:	Reads values previously set with H5Pset_hyper_cache().
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Monday, September 21, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_hyper_cache(hid_t plist_id, unsigned *cache/*out*/,
		   unsigned *limit/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_hyper_cache, FAIL);
    H5TRACE3("e","ixx",plist_id,cache,limit);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Return values */
    if (cache)
        if (H5P_get(plist,H5D_XFER_HYPER_CACHE_NAME,cache)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if (limit)
        if (H5P_get(plist,H5D_XFER_HYPER_CACHE_LIM_NAME,limit)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 6
0
/*-------------------------------------------------------------------------
 * Function:	H5Tset_strpad
 *
 * Purpose:	The method used to store character strings differs with the
 *		programming language: C usually null terminates strings while
 *		Fortran left-justifies and space-pads strings.	This property
 *		defines the storage mechanism for the string.
 *
 *		When converting from a long string to a short string if the
 *		short string is H5T_STR_NULLPAD or H5T_STR_SPACEPAD then the
 *		string is simply truncated; otherwise if the short string is
 *		H5T_STR_NULLTERM it will be truncated and a null terminator
 *		is appended.
 *
 *		When converting from a short string to a long string, the
 *		long string is padded on the end by appending nulls or
 *		spaces.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Friday, January	 9, 1998
 *
 * Modifications:
 * 	Robb Matzke, 22 Dec 1998
 *	Also works for derived datatypes.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_strpad(hid_t type_id, H5T_str_t strpad)
{
    H5T_t	*dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE2("e", "iTz", type_id, strpad);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    if (H5T_STATE_TRANSIENT!=dt->shared->state)
	HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "datatype is read-only")
    if (strpad < H5T_STR_NULLTERM || strpad >= H5T_NSTR)
	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal string pad type")
    while (dt->shared->parent && !H5T_IS_STRING(dt->shared))
        dt = dt->shared->parent;  /*defer to parent*/
    if (!H5T_IS_STRING(dt->shared))
	HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for datatype class")

    /* Commit */
    if(H5T_IS_FIXED_STRING(dt->shared))
        dt->shared->u.atomic.u.s.pad = strpad;
    else
        dt->shared->u.vlen.pad = strpad;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 7
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/*-------------------------------------------------------------------------
 * Function:	H5Tset_ebias
 *
 * Purpose:	Sets the exponent bias of a floating-point type.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 * 	Robb Matzke, 22 Dec 1998
 *	Also works with derived datatypes.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_ebias(hid_t type_id, size_t ebias)
{
    H5T_t	*dt;                    /* Datatype */
    herr_t      ret_value = SUCCEED;    /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE2("e", "iz", type_id, ebias);

    /* Check args */
    if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    if(H5T_STATE_TRANSIENT != dt->shared->state)
	HGOTO_ERROR(H5E_ARGS, H5E_CANTSET, FAIL, "datatype is read-only")
    while(dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if(H5T_FLOAT != dt->shared->type)
	HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "operation not defined for datatype class")

    /* Commit */
    dt->shared->u.atomic.u.f.ebias = ebias;

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Tset_ebias() */
Esempio n. 8
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/*-------------------------------------------------------------------------
 * Function:	H5Tset_pad
 *
 * Purpose:	Sets the LSB and MSB pad types.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Friday, January	 9, 1998
 *
 * Modifications:
 *	Robb Matzke, 22 Dec 1998
 *	Also works with derived data types.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_pad(hid_t type_id, H5T_pad_t lsb, H5T_pad_t msb)
{
    H5T_t *dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE3("e", "iTpTp", type_id, lsb, msb);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
    if (H5T_STATE_TRANSIENT!=dt->shared->state)
	HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "data type is read-only")
    if (lsb < H5T_PAD_ZERO || lsb >= H5T_NPAD || msb < H5T_PAD_ZERO || msb >= H5T_NPAD)
	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid pad type")
    if (H5T_ENUM==dt->shared->type && dt->shared->u.enumer.nmembs>0)
	HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not allowed after members are defined")
    while (dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if (!H5T_IS_ATOMIC(dt->shared))
	HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for specified data type")

    /* Commit */
    dt->shared->u.atomic.lsb_pad = lsb;
    dt->shared->u.atomic.msb_pad = msb;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 9
0
/*-------------------------------------------------------------------------
 * Function:	H5Tget_pad
 *
 * Purpose:	Gets the least significant pad type and the most significant
 *		pad type and returns their values through the LSB and MSB
 *		arguments, either of which may be the null pointer.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Friday, January	 9, 1998
 *
 * Modifications:
 * 	Robb Matzke, 22 Dec 1998
 *	Also works with derived data types.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tget_pad(hid_t type_id, H5T_pad_t *lsb/*out*/, H5T_pad_t *msb/*out*/)
{
    H5T_t	*dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE3("e", "ixx", type_id, lsb, msb);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type")
    while (dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if (!H5T_IS_ATOMIC(dt->shared))
	HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "operation not defined for specified data type")

    /* Get values */
    if (lsb)
        *lsb = dt->shared->u.atomic.lsb_pad;
    if (msb)
        *msb = dt->shared->u.atomic.msb_pad;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 10
0
/*-------------------------------------------------------------------------
 * Function:	H5Pset_btree_ratios
 *
 * Purpose:	Sets B-tree split ratios for a dataset transfer property
 *		list. The split ratios determine what percent of children go
 *		in the first node when a node splits.  The LEFT ratio is
 *		used when the splitting node is the left-most node at its
 *		level in the tree; the RIGHT ratio is when the splitting node
 *		is the right-most node at its level; and the MIDDLE ratio for
 *		all other cases.  A node which is the only node at its level
 *		in the tree uses the RIGHT ratio when it splits.  All ratios
 *		are real numbers between 0 and 1, inclusive.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *              Monday, September 28, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_btree_ratios(hid_t plist_id, double left, double middle,
		    double right)
{
    double split_ratio[3];        /* B-tree node split ratios */
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_btree_ratios, FAIL);
    H5TRACE4("e","iddd",plist_id,left,middle,right);

    /* Check arguments */
    if (left<0.0 || left>1.0 || middle<0.0 || middle>1.0 ||
            right<0.0 || right>1.0)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "split ratio must satisfy 0.0<=X<=1.0");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set values */
    split_ratio[0] = left;
    split_ratio[1] = middle;
    split_ratio[2] = right;

    /* Set the split ratios */
    if (H5P_set(plist,H5D_XFER_BTREE_SPLIT_RATIO_NAME,&split_ratio)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 11
0
/*-------------------------------------------------------------------------
 * Function:	H5Pget_vlen_mem_manager
 *
 * Purpose:	The inverse of H5Pset_vlen_mem_manager()
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Thursday, July 1, 1999
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_vlen_mem_manager(hid_t plist_id, H5MM_allocate_t *alloc_func/*out*/,
			void **alloc_info/*out*/,
			H5MM_free_t *free_func/*out*/,
			void **free_info/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_vlen_mem_manager, FAIL);
    H5TRACE5("e","ixxxx",plist_id,alloc_func,alloc_info,free_func,free_info);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    if(alloc_func!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_ALLOC_NAME,alloc_func)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(alloc_info!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_ALLOC_INFO_NAME,alloc_info)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(free_func!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_FREE_NAME,free_func)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(free_info!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_FREE_INFO_NAME,free_info)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 12
0
/*-------------------------------------------------------------------------
 * Function:	H5Tset_sign
 *
 * Purpose:	Sets the sign property for an integer.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 * 	Robb Matzke, 22 Dec 1998
 *	Also works with derived datatypes.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_sign(hid_t type_id, H5T_sign_t sign)
{
    H5T_t	*dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE2("e", "iTs", type_id, sign);

    /* Check args */
    if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an integer datatype")
    if (H5T_STATE_TRANSIENT!=dt->shared->state)
        HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "datatype is read-only")
    if (sign < H5T_SGN_NONE || sign >= H5T_NSGN)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal sign type")
    if (H5T_ENUM==dt->shared->type && dt->shared->u.enumer.nmembs>0)
        HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not allowed after members are defined")
    while (dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if (H5T_INTEGER!=dt->shared->type)
        HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not defined for datatype class")

    /* Commit */
    dt->shared->u.atomic.u.i.sign = sign;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 13
0
/*-------------------------------------------------------------------------
 * Function:	H5Pget_btree_ratios
 *
 * Purpose:	Queries B-tree split ratios.  See H5Pset_btree_ratios().
 *
 * Return:	Success:	Non-negative with split ratios returned through
 *				the non-null arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *              Monday, September 28, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_btree_ratios(hid_t plist_id, double *left/*out*/, double *middle/*out*/,
		    double *right/*out*/)
{
    double btree_split_ratio[3];        /* B-tree node split ratios */
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_btree_ratios, FAIL);
    H5TRACE4("e","ixxx",plist_id,left,middle,right);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get the split ratios */
    if (H5P_get(plist,H5D_XFER_BTREE_SPLIT_RATIO_NAME,&btree_split_ratio)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

    /* Get values */
    if (left)
        *left = btree_split_ratio[0];
    if (middle)
        *middle = btree_split_ratio[1];
    if (right)
        *right = btree_split_ratio[2];

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 14
0
/*-------------------------------------------------------------------------
 * Function:	H5Tset_inpad
 *
 * Purpose:	If any internal bits of a floating point type are unused
 *		(that is, those significant bits which are not part of the
 *		sign, exponent, or mantissa) then they will be filled
 *		according to the value of this property.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Friday, January	 9, 1998
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_inpad(hid_t type_id, H5T_pad_t pad)
{
    H5T_t	*dt;                    /* Datatype */
    herr_t      ret_value = SUCCEED;    /* Return value */

    FUNC_ENTER_API(FAIL)
    H5TRACE2("e", "iTp", type_id, pad);

    /* Check args */
    if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    if(H5T_STATE_TRANSIENT != dt->shared->state)
	HGOTO_ERROR(H5E_ARGS, H5E_CANTSET, FAIL, "datatype is read-only")
    if(pad < H5T_PAD_ZERO || pad >= H5T_NPAD)
	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "illegal internal pad type")
    while(dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if(H5T_FLOAT != dt->shared->type)
	HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "operation not defined for datatype class")

    /* Commit */
    dt->shared->u.atomic.u.f.pad = pad;

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Tset_inpad() */
Esempio n. 15
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/*-------------------------------------------------------------------------
 * Function:	H5Pget_buffer
 *
 * Purpose:	Reads values previously set with H5Pset_buffer().
 *
 * Return:	Success:	Buffer size.
 *
 *		Failure:	0
 *
 * Programmer:	Robb Matzke
 *              Monday, March 16, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
size_t
H5Pget_buffer(hid_t plist_id, void **tconv/*out*/, void **bkg/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    size_t size;                /* Type conversion buffer size */
    size_t ret_value;           /* Return value */

    FUNC_ENTER_API(H5Pget_buffer, 0);
    H5TRACE3("z","ixx",plist_id,tconv,bkg);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, 0, "can't find object for ID");

    /* Return values */
    if (tconv)
        if(H5P_get(plist, H5D_XFER_TCONV_BUF_NAME, tconv)<0)
            HGOTO_ERROR (H5E_PLIST, H5E_CANTGET, 0, "Can't get transfer type conversion buffer");
    if (bkg)
        if(H5P_get(plist, H5D_XFER_BKGR_BUF_NAME, bkg)<0)
            HGOTO_ERROR (H5E_PLIST, H5E_CANTGET, 0, "Can't get background type conversion buffer");

    /* Get the size */
    if(H5P_get(plist, H5D_XFER_MAX_TEMP_BUF_NAME, &size)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, 0, "Can't set transfer buffer size");

    /* Set the return value */
    ret_value=size;

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 16
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/*-------------------------------------------------------------------------
 * Function:  H5Tget_cset
 *
 * Purpose:  HDF5 is able to distinguish between character sets of
 *    different nationalities and to convert between them to the
 *    extent possible.
 *
 * Return:  Success:  The character set of a string type.
 *
 *    Failure:  H5T_CSET_ERROR (Negative)
 *
 * Programmer:  Robb Matzke
 *    Friday, January   9, 1998
 *
 * Modifications:
 *   Robb Matzke, 22 Dec 1998
 *  Also works for derived data types.
 *
 *-------------------------------------------------------------------------
 */
H5T_cset_t
H5Tget_cset(hid_t type_id)
{
    H5T_t  *dt = NULL;
    H5T_cset_t  ret_value;

    FUNC_ENTER_API(H5Tget_cset, H5T_CSET_ERROR)
    H5TRACE1("Tc","i",type_id);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
  HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_CSET_ERROR, "not a data type")
    while (dt->shared->parent && !H5T_IS_STRING(dt->shared))
        dt = dt->shared->parent;  /*defer to parent*/
    if (!H5T_IS_STRING(dt->shared))
  HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, H5T_CSET_ERROR, "operation not defined for data type class")

    /* result */
    if(H5T_IS_FIXED_STRING(dt->shared))
        ret_value = dt->shared->u.atomic.u.s.cset;
    else
        ret_value = dt->shared->u.vlen.cset;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 17
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/*-------------------------------------------------------------------------
 * Function:	H5Pset_istore_k
 *
 * Purpose:	IK is one half the rank of a tree that stores chunked raw
 *		data.  On average, such a tree will be 75% full, or have an
 *		average rank of 1.5 times the value of IK.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Tuesday, January  6, 1998
 *
 * Modifications:
 *
 *		Raymond Lu, Oct 14, 2001
 *		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_istore_k(hid_t plist_id, unsigned ik)
{
    unsigned btree_k[H5B_NUM_BTREE_ID];
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Pset_istore_k, FAIL);
    H5TRACE2("e","iIu",plist_id,ik);

    /* Check arguments */
    if (ik == 0)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "istore IK value must be positive");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set value */
    if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for btree interanl nodes");
    btree_k[H5B_ISTORE_ID] = ik;
    if(H5P_set(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set rank for btree interanl nodes");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 18
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/*-------------------------------------------------------------------------
 * Function:	H5Pget_version
 *
 * Purpose:	Retrieves version information for various parts of a file.
 *
 *		SUPER:		The file super block.
 *		HEAP:		The global heap.
 *		FREELIST:	The global free list.
 *		STAB:		The root symbol table entry.
 *		SHHDR:		Shared object headers.
 *
 *		Any (or even all) of the output arguments can be null
 *		pointers.
 *
 * Return:	Success:	Non-negative, version information is returned
 *				through the arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 * 		Raymond Lu, Oct 14, 2001
 * 		Change to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_version(hid_t plist_id, unsigned *super/*out*/, unsigned *freelist/*out*/,
	       unsigned *stab/*out*/, unsigned *shhdr/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* Return value */

    FUNC_ENTER_API(H5Pget_version, FAIL);
    H5TRACE5("e","ixxxx",plist_id,super,freelist,stab,shhdr);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (super)
        if(H5P_get(plist, H5F_CRT_SUPER_VERS_NAME, super) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get superblock version");
    if (freelist)
        if(H5P_get(plist, H5F_CRT_FREESPACE_VERS_NAME, freelist) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get free-space version");
    if (stab)
        if(H5P_get(plist, H5F_CRT_OBJ_DIR_VERS_NAME, stab) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object directory version");
    if (shhdr)
        if(H5P_get(plist, H5F_CRT_SHARE_HEAD_VERS_NAME, shhdr) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get shared-header version");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 19
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/*-------------------------------------------------------------------------
 * Function:	H5Pget_sym_k
 *
 * Purpose:	Retrieves the symbol table B-tree 1/2 rank (IK) and the
 *		symbol table leaf node 1/2 size (LK).  See H5Pset_sym_k() for
 *		details. Either (or even both) IK and LK may be null
 *		pointers.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *		Raymond Lu
 *		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_sym_k(hid_t plist_id, unsigned *ik /*out */ , unsigned *lk /*out */ )
{
    unsigned btree_k[H5B_NUM_BTREE_ID];
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Pget_sym_k, FAIL);
    H5TRACE3("e","ixx",plist_id,ik,lk);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (ik) {
        if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for btree nodes");
        *ik = btree_k[H5B_SNODE_ID];
    }
    if (lk)
        if(H5P_get(plist, H5F_CRT_SYM_LEAF_NAME, lk) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for symbol table leaf nodes");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 20
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/*-------------------------------------------------------------------------
 * Function:	H5Pget_sizes
 *
 * Purpose:	Returns the size of address and size quantities stored in a
 *		file according to a file creation property list.  Either (or
 *		even both) SIZEOF_ADDR and SIZEOF_SIZE may be null pointers.
 *
 * Return:	Success:	Non-negative, sizes returned through arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_sizes(hid_t plist_id,
	     size_t *sizeof_addr /*out */ , size_t *sizeof_size /*out */ )
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_sizes, FAIL);
    H5TRACE3("e","ixx",plist_id,sizeof_addr,sizeof_size);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (sizeof_addr)
        if(H5P_get(plist, H5F_CRT_ADDR_BYTE_NUM_NAME, sizeof_addr) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for an address");
    if (sizeof_size)
        if(H5P_get(plist, H5F_CRT_OBJ_BYTE_NUM_NAME, sizeof_size) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for object ");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 21
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/*-------------------------------------------------------------------------
 * Function:	H5Pset_userblock
 *
 * Purpose:	Sets the userblock size field of a file creation property
 *		list.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Tuesday, January  6, 1998
 *
 * Modifications:
 *
 *		Raymond Lu, Oct 14, 2001
 * 		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_userblock(hid_t plist_id, hsize_t size)
{
    unsigned		    i;
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_userblock, FAIL);
    H5TRACE2("e","ih",plist_id,size);

    /* Check that the userblock size is a power of two */
    for (i=8; i<8*sizeof(hsize_t); i++) {
        hsize_t p2 = 8==i ? 0 : ((hsize_t)1<<i);

        if (size == p2)
            break;
    }
    if (i>=8*sizeof(hsize_t))
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "userblock size is not valid");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set value */
    if(H5P_set(plist, H5F_CRT_USER_BLOCK_NAME, &size) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set user block");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 22
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/*-------------------------------------------------------------------------
 * Function:	H5Pset_buffer
 *
 * Purpose:	Given a dataset transfer property list, set the maximum size
 *		for the type conversion buffer and background buffer and
 *		optionally supply pointers to application-allocated buffers.
 *		If the buffer size is smaller than the entire amount of data
 *		being transfered between application and file, and a type
 *		conversion buffer or background buffer is required then
 *		strip mining will be used.
 *
 *		If TCONV and/or BKG are null pointers then buffers will be
 *		allocated and freed during the data transfer.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *              Monday, March 16, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_buffer(hid_t plist_id, hsize_t _size, void *tconv, void *bkg)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    size_t size=(size_t)_size;  /* Work around size difference */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_buffer, FAIL);
    H5TRACE4("e","ihxx",plist_id,_size,tconv,bkg);

    /* Check arguments */
    if (size<=0)
        HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "buffer size must not be zero");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    if(H5P_set(plist, H5D_XFER_MAX_TEMP_BUF_NAME, &size)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set transfer buffer size");
    if(H5P_set(plist, H5D_XFER_TCONV_BUF_NAME, &tconv)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set transfer type conversion buffer");
    if(H5P_set(plist, H5D_XFER_BKGR_BUF_NAME, &bkg)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set background type conversion buffer");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 23
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/*-------------------------------------------------------------------------
 * Function:  H5Iget_file_id
 *
 * Purpose:  The public version of H5I_get_file_id(), obtains the file
 *              ID given an object ID.  User has to close this ID.
 *
 * Return:  Success:  file ID
 *
 *    Failure:  a negative value
 *
 * Programmer:  Raymond Lu
 *              Oct 27, 2003
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
hid_t
H5Iget_file_id(hid_t obj_id)
{
    hid_t    ret_value;

    FUNC_ENTER_API(H5Iget_file_id, FAIL);
    H5TRACE1("i","i",obj_id);

    if((ret_value = H5I_get_file_id(obj_id))<0)
        HGOTO_ERROR (H5E_ATOM, H5E_CANTGET, FAIL, "can't retrieve file ID");

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 24
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/*-------------------------------------------------------------------------
 * Function:  H5Iget_type
 *
 * Purpose:  The public version of H5I_get_type(), obtains a group number
 *    (type) when given an ID.  The ID need not be the ID of an
 *    object which currently exists because the group number is
 *    encoded as part of the ID.
 *
 * Return:  Success:  Group number (type)
 *
 *    Failure:  H5I_BADID, a negative value
 *
 * Programmer:
 *
 * Modifications:
 *    Robb Matzke, 1999-08-23
 *    Also fails if the ID has a valid group but no longer exists
 *    in the ID tables.
 *-------------------------------------------------------------------------
 */
H5I_type_t
H5Iget_type(hid_t id)
{
    H5I_type_t    ret_value = H5I_BADID;

    FUNC_ENTER_API(H5Iget_type, H5I_BADID);
    H5TRACE1("It","i",id);

    ret_value = H5I_get_type(id);

    if (ret_value <= H5I_BADID || ret_value >= H5I_NGROUPS || NULL==H5I_object(id))
  HGOTO_DONE(H5I_BADID);

done:
    FUNC_LEAVE_API(ret_value);
}
Esempio n. 25
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/*-------------------------------------------------------------------------
 * Function:    H5Pset_fapl_windows
 *
 * Purpose: Modify the file access property list to use the H5FD_WINDOWS
 *          driver defined in this source file.  There are no driver
 *          specific properties.
 *
 * NOTE: The Windows VFD was merely a merge of the SEC2 and STDIO drivers
 *       so it has been retired.  Selecting the Windows VFD will actually
 *       set the SEC2 VFD (though for backwards compatibility, we'll keep
 *       the H5FD_WINDOWS symbol).
 *
 *
 * Return:  Non-negative on success/Negative on failure
 *
 * Programmer:  Dana Robinson
 *              October 10, 2011
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_fapl_windows(hid_t fapl_id)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value;

    FUNC_ENTER_API(FAIL)
    H5TRACE1("e", "i", fapl_id);

    if(NULL == (plist = H5P_object_verify(fapl_id, H5P_FILE_ACCESS)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list")

    ret_value = H5P_set_driver(plist, H5FD_WINDOWS, NULL);

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Pset_fapl_windows() */
Esempio n. 26
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/*-------------------------------------------------------------------------
 * Function:  H5Tset_fields
 *
 * Purpose:  Sets the locations and sizes of the various floating point
 *    bit fields.  The field positions are bit positions in the
 *    significant region of the datatype.  Bits are numbered with
 *    the least significant bit number zero.
 *
 *    Fields are not allowed to extend beyond the number of bits of
 *    precision, nor are they allowed to overlap with one another.
 *
 * Return:  Non-negative on success/Negative on failure
 *
 * Programmer:  Robb Matzke
 *    Wednesday, January  7, 1998
 *
 * Modifications:
 *  Robb Matzke, 22 Dec 1998
 *  Also works for derived datatypes.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Tset_fields(hid_t type_id, size_t spos, size_t epos, size_t esize,
        size_t mpos, size_t msize)
{
    H5T_t  *dt = NULL;
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Tset_fields, FAIL)
    H5TRACE6("e","izzzzz",type_id,spos,epos,esize,mpos,msize);

    /* Check args */
    if (NULL == (dt = H5I_object_verify(type_id,H5I_DATATYPE)))
  HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
    if (H5T_STATE_TRANSIENT!=dt->shared->state)
  HGOTO_ERROR(H5E_ARGS, H5E_CANTINIT, FAIL, "datatype is read-only")
    while (dt->shared->parent)
        dt = dt->shared->parent; /*defer to parent*/
    if (H5T_FLOAT != dt->shared->type)
  HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "operation not defined for datatype class")
    if (epos + esize > dt->shared->u.atomic.prec)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "exponent bit field size/location is invalid")
    if (mpos + msize > dt->shared->u.atomic.prec)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "mantissa bit field size/location is invalid")
    if (spos >= dt->shared->u.atomic.prec)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "sign location is not valid")

    /* Check for overlap */
    if (spos >= epos && spos < epos + esize)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "sign bit appears within exponent field")
    if (spos >= mpos && spos < mpos + msize)
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "sign bit appears within mantissa field")
    if ((mpos < epos && mpos + msize > epos) ||
            (epos < mpos && epos + esize > mpos))
  HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "exponent and mantissa fields overlap")

    /* Commit */
    dt->shared->u.atomic.u.f.sign = spos;
    dt->shared->u.atomic.u.f.epos = epos;
    dt->shared->u.atomic.u.f.mpos = mpos;
    dt->shared->u.atomic.u.f.esize = esize;
    dt->shared->u.atomic.u.f.msize = msize;

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 27
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/*-------------------------------------------------------------------------
 * Function:	H5Tget_sign
 *
 * Purpose:	Retrieves the sign type for an integer type.
 *
 * Return:	Success:	The sign type.
 *
 *		Failure:	H5T_SGN_ERROR (Negative)
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *	Robb Matzke, 22 Dec 1998
 *	Also works with derived datatypes.
 *-------------------------------------------------------------------------
 */
H5T_sign_t
H5Tget_sign(hid_t type_id)
{
    H5T_t		*dt = NULL;
    H5T_sign_t		ret_value;

    FUNC_ENTER_API(H5T_SGN_ERROR)
    H5TRACE1("Ts", "i", type_id);

    /* Check args */
    if (NULL == (dt = (H5T_t *)H5I_object_verify(type_id,H5I_DATATYPE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5T_SGN_ERROR, "not an integer datatype")

    ret_value = H5T_get_sign(dt);

done:
    FUNC_LEAVE_API(ret_value)
}
Esempio n. 28
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/*--------------------------------------------------------------------------
 NAME
    H5Sselect_none
 PURPOSE
    Specify that nothing is selected in the extent
 USAGE
    herr_t H5Sselect_none(dsid)
        hid_t dsid;             IN: Dataspace ID of selection to modify
 RETURNS
    Non-negative on success/Negative on failure
 DESCRIPTION
    This function de-selects the entire extent for a dataspace.
 GLOBAL VARIABLES
 COMMENTS, BUGS, ASSUMPTIONS
 EXAMPLES
 REVISION LOG
--------------------------------------------------------------------------*/
herr_t H5Sselect_none (hid_t spaceid)
{
    H5S_t	*space = NULL;  /* Dataspace to modify selection of */
    herr_t ret_value;  /* return value */

    FUNC_ENTER_API(H5Sselect_none, FAIL);

    /* Check args */
    if (NULL == (space=H5I_object_verify(spaceid, H5I_DATASPACE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data space");

    /* Change to "none" selection */
    if((ret_value=H5S_select_none(space))<0)
        HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change selection");

done:
    FUNC_LEAVE_API(ret_value);
}   /* H5Sselect_none() */
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/*-------------------------------------------------------------------------
 * Function:	H5Gcreate1
 *
 * Purpose:	Creates a new group relative to LOC_ID and gives it the
 *		specified NAME.  The group is opened for write access
 *		and it's object ID is returned.
 *
 *		The optional SIZE_HINT specifies how much file space to
 *		reserve to store the names that will appear in this
 *		group. If a non-positive value is supplied for the SIZE_HINT
 *		then a default size is chosen.
 *
 * Note:	Deprecated in favor of H5Gcreate2
 *
 * Return:	Success:	The object ID of a new, empty group open for
 *				writing.  Call H5Gclose() when finished with
 *				the group.
 *
 *		Failure:	FAIL
 *
 * Programmer:	Robb Matzke
 *		Wednesday, September 24, 1997
 *
 *-------------------------------------------------------------------------
 */
hid_t
H5Gcreate1(hid_t loc_id, const char *name, size_t size_hint)
{
    H5G_loc_t	    loc;                /* Location to create group */
    H5G_t	   *grp = NULL;         /* New group created */
    hid_t           tmp_gcpl = (-1);    /* Temporary group creation property list */
    hid_t	    ret_value;          /* Return value */

    FUNC_ENTER_API(H5Gcreate1, FAIL)
    H5TRACE3("i", "i*sz", loc_id, name, size_hint);

    /* Check arguments */
    if(H5G_loc(loc_id, &loc) < 0)
	HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location")
    if(!name || !*name)
	HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name given")

    /* Check if we need to create a non-standard GCPL */
    if(size_hint > 0) {
        H5P_genplist_t  *gc_plist;  /* Property list created */
        H5O_ginfo_t     ginfo;          /* Group info property */

        /* Get the default property list */
        if(NULL == (gc_plist = (H5P_genplist_t *)H5I_object(H5P_GROUP_CREATE_DEFAULT)))
            HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")

        /* Make a copy of the default property list */
        if((tmp_gcpl = H5P_copy_plist(gc_plist, FALSE)) < 0)
            HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to copy the creation property list")

        /* Get pointer to the copied property list */
        if(NULL == (gc_plist = (H5P_genplist_t *)H5I_object(tmp_gcpl)))
            HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")

        /* Get the group info property */
        if(H5P_get(gc_plist, H5G_CRT_GROUP_INFO_NAME, &ginfo) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get group info")

        /* Set the non-default local heap size hint */
        ginfo.lheap_size_hint = size_hint;
        if(H5P_set(gc_plist, H5G_CRT_GROUP_INFO_NAME, &ginfo) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set group info")
    } /* end if */
Esempio n. 30
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/*-------------------------------------------------------------------------
 * Function:  H5Iinc_ref
 *
 * Purpose:  Increments the number of references outstanding for an ID.
 *
 * Return:  Success:  New reference count
 *    Failure:  Negative
 *
 * Programmer:  Quincey Koziol
 *              Dec  7, 2003
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
H5Iinc_ref(hid_t id)
{
    int ret_value;                      /* Return value */

    FUNC_ENTER_API(H5Iinc_ref, FAIL);
    H5TRACE1("Is","i",id);

    /* Check arguments */
    if (id<0)
  HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "invalid ID");

    /* Do actual increment operation */
    if((ret_value = H5I_inc_ref(id))<0)
        HGOTO_ERROR (H5E_ATOM, H5E_CANTINC, FAIL, "can't increment ID ref count");

done:
    FUNC_LEAVE_API(ret_value);
} /* end H5Iinc_ref() */