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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Pocpl.c
* Nov 28 2006
* Quincey Koziol <koziol@hdfgroup.org>
*
* Purpose: Object creation property list class routines
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5O_FRIEND /*suppress error about including H5Opkg */
#include "H5Pmodule.h" /* This source code file is part of the H5P module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Opkg.h" /* Object headers */
#include "H5Ppkg.h" /* Property lists */
#include "H5PLprivate.h" /* Dynamic plugin */
#include "H5Zprivate.h" /* Filter pipeline */
/****************/
/* Local Macros */
/****************/
/* ========= Object Creation properties ============ */
/* Definitions for the max. # of attributes to store compactly */
#define H5O_CRT_ATTR_MAX_COMPACT_SIZE sizeof(unsigned)
#define H5O_CRT_ATTR_MAX_COMPACT_ENC H5P__encode_unsigned
#define H5O_CRT_ATTR_MAX_COMPACT_DEC H5P__decode_unsigned
/* Definitions for the min. # of attributes to store densely */
#define H5O_CRT_ATTR_MIN_DENSE_SIZE sizeof(unsigned)
#define H5O_CRT_ATTR_MIN_DENSE_ENC H5P__encode_unsigned
#define H5O_CRT_ATTR_MIN_DENSE_DEC H5P__decode_unsigned
/* Definitions for object header flags */
#define H5O_CRT_OHDR_FLAGS_SIZE sizeof(uint8_t)
#define H5O_CRT_OHDR_FLAGS_ENC H5P__encode_uint8_t
#define H5O_CRT_OHDR_FLAGS_DEC H5P__decode_uint8_t
/* Definitions for filter pipeline */
#define H5O_CRT_PIPELINE_SIZE sizeof(H5O_pline_t)
#define H5O_CRT_PIPELINE_SET H5P__ocrt_pipeline_set
#define H5O_CRT_PIPELINE_GET H5P__ocrt_pipeline_get
#define H5O_CRT_PIPELINE_ENC H5P__ocrt_pipeline_enc
#define H5O_CRT_PIPELINE_DEC H5P__ocrt_pipeline_dec
#define H5O_CRT_PIPELINE_DEL H5P__ocrt_pipeline_del
#define H5O_CRT_PIPELINE_COPY H5P__ocrt_pipeline_copy
#define H5O_CRT_PIPELINE_CMP H5P__ocrt_pipeline_cmp
#define H5O_CRT_PIPELINE_CLOSE H5P__ocrt_pipeline_close
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/* Property class callbacks */
static herr_t H5P__ocrt_reg_prop(H5P_genclass_t *pclass);
/* Property callbacks */
static herr_t H5P__ocrt_pipeline_enc(const void *value, void **_pp, size_t *size);
static herr_t H5P__ocrt_pipeline_dec(const void **_pp, void *value);
static herr_t H5P__ocrt_pipeline_set(hid_t prop_id, const char *name, size_t size, void *value);
static herr_t H5P__ocrt_pipeline_get(hid_t prop_id, const char *name, size_t size, void *value);
static herr_t H5P__ocrt_pipeline_del(hid_t prop_id, const char *name, size_t size, void *value);
static herr_t H5P__ocrt_pipeline_copy(const char *name, size_t size, void *value);
static int H5P__ocrt_pipeline_cmp(const void *value1, const void *value2, size_t size);
static herr_t H5P__ocrt_pipeline_close(const char *name, size_t size, void *value);
/* Local routines */
static herr_t H5P__set_filter(H5P_genplist_t *plist, H5Z_filter_t filter,
unsigned int flags, size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/]);
/*********************/
/* Package Variables */
/*********************/
/* Object creation property list class library initialization object */
const H5P_libclass_t H5P_CLS_OCRT[1] = {{
"object create", /* Class name for debugging */
H5P_TYPE_OBJECT_CREATE, /* Class type */
&H5P_CLS_ROOT_g, /* Parent class */
&H5P_CLS_OBJECT_CREATE_g, /* Pointer to class */
&H5P_CLS_OBJECT_CREATE_ID_g, /* Pointer to class ID */
NULL, /* Pointer to default property list ID */
H5P__ocrt_reg_prop, /* Default property registration routine */
NULL, /* Class creation callback */
NULL, /* Class creation callback info */
NULL, /* Class copy callback */
NULL, /* Class copy callback info */
NULL, /* Class close callback */
NULL /* Class close callback info */
}};
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Property value defaults */
static const unsigned H5O_def_attr_max_compact_g = H5O_CRT_ATTR_MAX_COMPACT_DEF; /* Default max. compact attribute storage settings */
static const unsigned H5O_def_attr_min_dense_g = H5O_CRT_ATTR_MIN_DENSE_DEF; /* Default min. dense attribute storage settings */
static const uint8_t H5O_def_ohdr_flags_g = H5O_CRT_OHDR_FLAGS_DEF; /* Default object header flag settings */
static const H5O_pline_t H5O_def_pline_g = H5O_CRT_PIPELINE_DEF; /* Default I/O pipeline setting */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_reg_prop
*
* Purpose: Initialize the object creation property list class
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* November 28, 2006
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_reg_prop(H5P_genclass_t *pclass)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Register max. compact attribute storage property */
if(H5P_register_real(pclass, H5O_CRT_ATTR_MAX_COMPACT_NAME, H5O_CRT_ATTR_MAX_COMPACT_SIZE, &H5O_def_attr_max_compact_g,
NULL, NULL, NULL, H5O_CRT_ATTR_MAX_COMPACT_ENC, H5O_CRT_ATTR_MAX_COMPACT_DEC,
NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register min. dense attribute storage property */
if(H5P_register_real(pclass, H5O_CRT_ATTR_MIN_DENSE_NAME, H5O_CRT_ATTR_MIN_DENSE_SIZE, &H5O_def_attr_min_dense_g,
NULL, NULL, NULL, H5O_CRT_ATTR_MIN_DENSE_ENC, H5O_CRT_ATTR_MIN_DENSE_DEC,
NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register object header flags property */
if(H5P_register_real(pclass, H5O_CRT_OHDR_FLAGS_NAME, H5O_CRT_OHDR_FLAGS_SIZE, &H5O_def_ohdr_flags_g,
NULL, NULL, NULL, H5O_CRT_OHDR_FLAGS_ENC, H5O_CRT_OHDR_FLAGS_DEC,
NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the pipeline property */
if(H5P_register_real(pclass, H5O_CRT_PIPELINE_NAME, H5O_CRT_PIPELINE_SIZE, &H5O_def_pline_g,
NULL, H5O_CRT_PIPELINE_SET, H5O_CRT_PIPELINE_GET, H5O_CRT_PIPELINE_ENC, H5O_CRT_PIPELINE_DEC,
H5O_CRT_PIPELINE_DEL, H5O_CRT_PIPELINE_COPY, H5O_CRT_PIPELINE_CMP, H5O_CRT_PIPELINE_CLOSE) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_reg_prop() */
/*-------------------------------------------------------------------------
* Function: H5Pset_attr_phase_change
*
* Purpose: Sets the cutoff values for indexes storing attributes
* in object headers for this file. If more than max_compact
* attributes are in an object header, the attributes will be
* moved to a heap and indexed with a B-tree.
* Likewise, an object header containing fewer than min_dense
* attributes will be converted back to storing the attributes
* directly in the object header.
*
* If the max_compact is zero then attributes for this object will
* never be stored in the object header but will be always be
* stored in a heap.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, November 28, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_attr_phase_change(hid_t plist_id, unsigned max_compact, unsigned min_dense)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iIuIu", plist_id, max_compact, min_dense);
/* Range check values */
if(max_compact < min_dense)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "max compact value must be >= min dense value")
if(max_compact > 65535)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "max compact value must be < 65536")
if(min_dense > 65535)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "min dense value must be < 65536")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Set property values */
if(H5P_set(plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, &max_compact) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set max. # of compact attributes in property list")
if(H5P_set(plist, H5O_CRT_ATTR_MIN_DENSE_NAME, &min_dense) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set min. # of dense attributes in property list")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_attr_phase_change */
/*-------------------------------------------------------------------------
* Function: H5Pget_attr_phase_change
*
* Purpose: Gets the phase change values for attribute storage
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, November 28, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_attr_phase_change(hid_t plist_id, unsigned *max_compact, unsigned *min_dense)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "i*Iu*Iu", plist_id, max_compact, min_dense);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get values */
if(max_compact) {
if(H5P_get(plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, max_compact) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get max. # of compact attributes")
} /* end if */
if(min_dense) {
if(H5P_get(plist, H5O_CRT_ATTR_MIN_DENSE_NAME, min_dense) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get min. # of dense attributes")
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_attr_phase_change() */
/*-------------------------------------------------------------------------
* Function: H5Pset_attr_creation_order
*
* Purpose: Set the flags for creation order of attributes on an object
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* February 6, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_attr_creation_order(hid_t plist_id, unsigned crt_order_flags)
{
H5P_genplist_t *plist; /* Property list pointer */
uint8_t ohdr_flags; /* Object header flags */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iIu", plist_id, crt_order_flags);
/* Check for bad combination of flags */
if(!(crt_order_flags & H5P_CRT_ORDER_TRACKED) && (crt_order_flags & H5P_CRT_ORDER_INDEXED))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "tracking creation order is required for index")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get object header flags */
if(H5P_get(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object header flags")
/* Mask off previous attribute creation order flag settings */
ohdr_flags &= (uint8_t)~(H5O_HDR_ATTR_CRT_ORDER_TRACKED | H5O_HDR_ATTR_CRT_ORDER_INDEXED);
/* Update with new attribute creation order flags */
ohdr_flags = (uint8_t)(ohdr_flags | ((crt_order_flags & H5P_CRT_ORDER_TRACKED) ? H5O_HDR_ATTR_CRT_ORDER_TRACKED : 0));
ohdr_flags = (uint8_t)(ohdr_flags | ((crt_order_flags & H5P_CRT_ORDER_INDEXED) ? H5O_HDR_ATTR_CRT_ORDER_INDEXED : 0));
/* Set object header flags */
if(H5P_set(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set object header flags")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_attr_creation_order() */
/*-------------------------------------------------------------------------
* Function: H5Pget_attr_creation_order
*
* Purpose: Returns the flags indicating creation order is tracked/indexed
* for attributes on an object.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* February 6, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_attr_creation_order(hid_t plist_id, unsigned *crt_order_flags)
{
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "i*Iu", plist_id, crt_order_flags);
/* Get values */
if(crt_order_flags) {
H5P_genplist_t *plist; /* Property list pointer */
uint8_t ohdr_flags; /* Object header flags */
/* Reset the value to return */
*crt_order_flags = 0;
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get object header flags */
if(H5P_get(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object header flags")
/* Set creation order flags to return */
*crt_order_flags |= (ohdr_flags & H5O_HDR_ATTR_CRT_ORDER_TRACKED) ? H5P_CRT_ORDER_TRACKED : 0;
*crt_order_flags |= (ohdr_flags & H5O_HDR_ATTR_CRT_ORDER_INDEXED) ? H5P_CRT_ORDER_INDEXED : 0;
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_attr_creation_order() */
/*-------------------------------------------------------------------------
* Function: H5Pset_obj_track_times
*
* Purpose: Set whether the birth, access, modification & change times for
* an object are stored.
*
* Birth time is the time the object was created. Access time is
* the last time that metadata or raw data was read from this
* object. Modification time is the last time the data for
* this object was changed (either writing raw data to a dataset
* or inserting/modifying/deleting a link in a group). Change
* time is the last time the metadata for this object was written
* (adding/modifying/deleting an attribute on an object, extending
* the size of a dataset, etc).
*
* If these times are not tracked, they will be reported as
* 12:00 AM UDT, Jan. 1, 1970 (i.e. 0 seconds past the UNIX
* epoch) when queried.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* March 1, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_obj_track_times(hid_t plist_id, hbool_t track_times)
{
H5P_genplist_t *plist; /* Property list pointer */
uint8_t ohdr_flags; /* Object header flags */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "ib", plist_id, track_times);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get object header flags */
if(H5P_get(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object header flags")
/* Mask off previous time tracking flag settings */
ohdr_flags &= (uint8_t)~H5O_HDR_STORE_TIMES;
/* Update with new time tracking flag */
ohdr_flags = (uint8_t)(ohdr_flags | (track_times ? H5O_HDR_STORE_TIMES : 0));
/* Set object header flags */
if(H5P_set(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set object header flags")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_obj_track_times() */
/*-------------------------------------------------------------------------
* Function: H5Pget_obj_track_times
*
* Purpose: Returns whether times are tracked for an object.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* March 1, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_obj_track_times(hid_t plist_id, hbool_t *track_times)
{
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "i*b", plist_id, track_times);
/* Get values */
if(track_times) {
H5P_genplist_t *plist; /* Property list pointer */
uint8_t ohdr_flags; /* Object header flags */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get object header flags */
if(H5P_get(plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object header flags")
/* Set track times flag to return */
*track_times = (hbool_t)((ohdr_flags & H5O_HDR_STORE_TIMES) ? TRUE : FALSE);
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_obj_track_times() */
/*-------------------------------------------------------------------------
* Function: H5P_modify_filter
*
* Purpose: Modifies the specified FILTER in the
* transient or permanent output filter pipeline
* depending on whether PLIST is a dataset creation or dataset
* transfer property list. The FLAGS argument specifies certain
* general properties of the filter and is documented below.
* The CD_VALUES is an array of CD_NELMTS integers which are
* auxiliary data for the filter. The integer vlues will be
* stored in the dataset object header as part of the filter
* information.
*
* The FLAGS argument is a bit vector of the following fields:
*
* H5Z_FLAG_OPTIONAL(0x0001)
* If this bit is set then the filter is optional. If the
* filter fails during an H5Dwrite() operation then the filter
* is just excluded from the pipeline for the chunk for which it
* failed; the filter will not participate in the pipeline
* during an H5Dread() of the chunk. If this bit is clear and
* the filter fails then the entire I/O operation fails.
* If this bit is set but encoding is disabled for a filter,
* attempting to write will generate an error.
*
* Note: This function currently supports only the permanent filter
* pipeline. That is, PLIST_ID must be a dataset creation
* property list.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Wednesday, October 17, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_modify_filter(H5P_genplist_t *plist, H5Z_filter_t filter, unsigned flags,
size_t cd_nelmts, const unsigned cd_values[/*cd_nelmts*/])
{
H5O_pline_t pline;
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_NOAPI(FAIL)
/* Get the pipeline property to modify */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Modify the filter parameters of the I/O pipeline */
if(H5Z_modify(&pline, filter, flags, cd_nelmts, cd_values) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add filter to pipeline")
/* Put the I/O pipeline information back into the property list */
if(H5P_poke(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_modify_filter() */
/*-------------------------------------------------------------------------
* Function: H5Pmodify_filter
*
* Purpose: Modifies the specified FILTER in the
* transient or permanent output filter pipeline
* depending on whether PLIST is a dataset creation or dataset
* transfer property list. The FLAGS argument specifies certain
* general properties of the filter and is documented below.
* The CD_VALUES is an array of CD_NELMTS integers which are
* auxiliary data for the filter. The integer vlues will be
* stored in the dataset object header as part of the filter
* information.
*
* The FLAGS argument is a bit vector of the following fields:
*
* H5Z_FLAG_OPTIONAL(0x0001)
* If this bit is set then the filter is optional. If the
* filter fails during an H5Dwrite() operation then the filter
* is just excluded from the pipeline for the chunk for which it
* failed; the filter will not participate in the pipeline
* during an H5Dread() of the chunk. If this bit is clear and
* the filter fails then the entire I/O operation fails.
* If this bit is set but encoding is disabled for a filter,
* attempting to write will generate an error.
*
* Note: This function currently supports only the permanent filter
* pipeline. That is, PLIST_ID must be a dataset creation
* property list.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Friday, April 5, 2003
*
* Modifications:
*
* Neil Fortner
* Thursday, March 26, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pmodify_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags,
size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/])
{
H5P_genplist_t *plist; /* Property list */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE5("e", "iZfIuz*[a3]Iu", plist_id, filter, flags, cd_nelmts, cd_values);
/* Check args */
if (filter<0 || filter>H5Z_FILTER_MAX)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "invalid filter identifier")
if (flags & ~((unsigned)H5Z_FLAG_DEFMASK))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid flags")
if (cd_nelmts>0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no client data values supplied")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Modify the filter parameters of the I/O pipeline */
if(H5P_modify_filter(plist, filter, flags, cd_nelmts, cd_values) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't modify filter")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pmodify_filter() */
/*-------------------------------------------------------------------------
* Function: H5Pset_filter
*
* Purpose: Adds the specified FILTER and corresponding properties to the
* end of the data or link output filter pipeline
* depending on whether PLIST is a dataset creation or group
* creation property list. The FLAGS argument specifies certain
* general properties of the filter and is documented below.
* The CD_VALUES is an array of CD_NELMTS integers which are
* auxiliary data for the filter. The integer vlues will be
* stored in the dataset object header as part of the filter
* information.
*
* The FLAGS argument is a bit vector of the following fields:
*
* H5Z_FLAG_OPTIONAL(0x0001)
* If this bit is set then the filter is optional. If the
* filter fails during an H5Dwrite() operation then the filter
* is just excluded from the pipeline for the chunk for which it
* failed; the filter will not participate in the pipeline
* during an H5Dread() of the chunk. If this bit is clear and
* the filter fails then the entire I/O operation fails.
* If this bit is set but encoding is disabled for a filter,
* attempting to write will generate an error.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
* Neil Fortner
* Wednesday, May 20, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags,
size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/])
{
H5P_genplist_t *plist; /* Property list */
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE5("e", "iZfIuz*[a3]Iu", plist_id, filter, flags, cd_nelmts, cd_values);
/* Check args */
if (filter<0 || filter>H5Z_FILTER_MAX)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "invalid filter identifier")
if (flags & ~((unsigned)H5Z_FLAG_DEFMASK))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid flags")
if (cd_nelmts>0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no client data values supplied")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Call the private function */
if(H5P__set_filter(plist, filter, flags, cd_nelmts, cd_values) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "failed to call private function")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_filter() */
/*-------------------------------------------------------------------------
* Function: H5P__set_filter
*
* Purpose: Adds the specified FILTER and corresponding properties to the
* end of the data or link output filter pipeline
* depending on whether PLIST is a dataset creation or group
* creation property list. The FLAGS argument specifies certain
* general properties of the filter and is documented below.
* The CD_VALUES is an array of CD_NELMTS integers which are
* auxiliary data for the filter. The integer vlues will be
* stored in the dataset object header as part of the filter
* information.
*
* The FLAGS argument is a bit vector of the following fields:
*
* H5Z_FLAG_OPTIONAL(0x0001)
* If this bit is set then the filter is optional. If the
* filter fails during an H5Dwrite() operation then the filter
* is just excluded from the pipeline for the chunk for which it
* failed; the filter will not participate in the pipeline
* during an H5Dread() of the chunk. If this bit is clear and
* the filter fails then the entire I/O operation fails.
* If this bit is set but encoding is disabled for a filter,
* attempting to write will generate an error.
*
* If the filter is not registered, this function tries to load
* it dynamically during run time.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__set_filter(H5P_genplist_t *plist, H5Z_filter_t filter, unsigned int flags,
size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/])
{
H5O_pline_t pline; /* Filter pipeline */
htri_t filter_avail; /* Filter availability */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Check if filter is already available */
if((filter_avail = H5Z_filter_avail(filter)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't check filter availability")
/* Get the pipeline property to append to */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Add the filter to the I/O pipeline */
if(H5Z_append(&pline, filter, flags, cd_nelmts, cd_values) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add filter to pipeline")
/* Put the I/O pipeline information back into the property list */
if(H5P_poke(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__set_filter() */
/*-------------------------------------------------------------------------
* Function: H5Pget_nfilters
*
* Purpose: Returns the number of filters in the data or link
* pipeline depending on whether PLIST_ID is a dataset creation
* or group creation property list. In each pipeline the
* filters are numbered from zero through N-1 where N is the
* value returned by this function. During output to the file
* the filters of a pipeline are applied in increasing order
* (the inverse is true for input).
*
* Return: Success: Number of filters or zero if there are none.
*
* Failure: Negative
*
* Programmer: Robb Matzke
* Tuesday, August 4, 1998
*
* Modifications:
*
* Neil Fortner
* Wednesday, May 20, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
int
H5Pget_nfilters(hid_t plist_id)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
int ret_value; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE1("Is", "i", plist_id);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the pipeline property to query */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Set return value */
ret_value=(int)(pline.nused);
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_nfilters */
/*-------------------------------------------------------------------------
* Function: H5Pget_filter2
*
* Purpose: This is the query counterpart of H5Pset_filter() and returns
* information about a particular filter number in a permanent
* or transient pipeline depending on whether PLIST_ID is a
* dataset creation or transfer property list. On input,
* CD_NELMTS indicates the number of entries in the CD_VALUES
* array allocated by the caller while on exit it contains the
* number of values defined by the filter. FILTER_CONFIG is a bit
* field contaning encode/decode flags from H5Zpublic.h. The IDX
* should be a value between zero and N-1 as described for
* H5Pget_nfilters() and the function will return failure if the
* filter number is out of range.
*
* Return: Success: Filter identification number.
*
* Failure: H5Z_FILTER_ERROR (Negative)
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
* Neil Fortner
* Wednesday, May 20, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
H5Z_filter_t
H5Pget_filter2(hid_t plist_id, unsigned idx, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/,
unsigned *filter_config /*out*/)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
const H5Z_filter_info_t *filter; /* Pointer to filter information */
H5Z_filter_t ret_value; /* return value */
FUNC_ENTER_API(H5Z_FILTER_ERROR)
H5TRACE8("Zf", "iIux*zxzxx", plist_id, idx, flags, cd_nelmts, cd_values,
namelen, name, filter_config);
/* Check args */
if(cd_nelmts || cd_values) {
/*
* It's likely that users forget to initialize this on input, so
* we'll check that it has a reasonable value. The actual number
* is unimportant because the H5O layer will detect when a message
* is too large.
*/
if(cd_nelmts && *cd_nelmts > 256)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "probable uninitialized *cd_nelmts argument")
if(cd_nelmts && *cd_nelmts > 0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "client data values not supplied")
/*
* If cd_nelmts is null but cd_values is non-null then just ignore
* cd_values
*/
if(!cd_nelmts)
cd_values = NULL;
} /* end if */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, H5Z_FILTER_ERROR, "can't find object for ID")
/* Get the pipeline property to query */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get pipeline")
/* Check index */
if(idx >= pline.nused)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "filter number is invalid")
/* Set pointer to particular filter to query */
filter = &pline.filter[idx];
/* Get filter information */
if(H5P_get_filter(filter, flags, cd_nelmts, cd_values, namelen, name, filter_config) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get filter info")
/* Set return value */
ret_value = filter->id;
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_filter2() */
/*-------------------------------------------------------------------------
* Function: H5P_get_filter_by_id
*
* Purpose: This is an additional query counterpart of H5Pset_filter() and
* returns information about a particular filter in a permanent
* or transient pipeline depending on whether PLIST_ID is a
* dataset creation or transfer property list. On input,
* CD_NELMTS indicates the number of entries in the CD_VALUES
* array allocated by the caller while on exit it contains the
* number of values defined by the filter. FILTER_CONFIG is a bit
* field contaning encode/decode flags from H5Zpublic.h. The ID
* should be the filter ID to retrieve the parameters for. If the
* filter is not set for the property list, an error will be returned.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Wednesday, October 17, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_get_filter_by_id(H5P_genplist_t *plist, H5Z_filter_t id, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/, unsigned *filter_config)
{
H5O_pline_t pline; /* Filter pipeline */
H5Z_filter_info_t *filter; /* Pointer to filter information */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* Get pipeline info */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Get pointer to filter in pipeline */
if(NULL == (filter = H5Z_filter_info(&pline, id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "filter ID is invalid")
/* Get filter information */
if(H5P_get_filter(filter, flags, cd_nelmts, cd_values, namelen, name, filter_config) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get filter info")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_get_filter_by_id() */
/*-------------------------------------------------------------------------
* Function: H5Pget_filter_by_id2
*
* Purpose: This is an additional query counterpart of H5Pset_filter() and
* returns information about a particular filter in a permanent
* or transient pipeline depending on whether PLIST_ID is a
* dataset creation or transfer property list. On input,
* CD_NELMTS indicates the number of entries in the CD_VALUES
* array allocated by the caller while on exit it contains the
* number of values defined by the filter. FILTER_CONFIG is a bit
* field contaning encode/decode flags from H5Zpublic.h. The ID
* should be the filter ID to retrieve the parameters for. If the
* filter is not set for the property list, an error will be returned.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Friday, April 5, 2003
*
* Modifications:
*
* Neil Fortner
* Thursday, May 21, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_filter_by_id2(hid_t plist_id, H5Z_filter_t id, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/, unsigned *filter_config)
{
H5P_genplist_t *plist; /* Property list */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE8("e", "iZfx*zxzx*Iu", plist_id, id, flags, cd_nelmts, cd_values,
namelen, name, filter_config);
/* Check args */
if(cd_nelmts || cd_values) {
/*
* It's likely that users forget to initialize this on input, so
* we'll check that it has a reasonable value. The actual number
* is unimportant because the H5O layer will detect when a message
* is too large.
*/
if(cd_nelmts && *cd_nelmts > 256)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "probable uninitialized *cd_nelmts argument")
if(cd_nelmts && *cd_nelmts > 0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "client data values not supplied")
/*
* If cd_nelmts is null but cd_values is non-null then just ignore
* cd_values
*/
if(!cd_nelmts)
cd_values = NULL;
} /* end if */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get filter information */
if(H5P_get_filter_by_id(plist, id, flags, cd_nelmts, cd_values, namelen,
name, filter_config) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get filter info")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_filter_by_id2() */
/*-------------------------------------------------------------------------
* Function: H5Pall_filters_avail
*
* Purpose: This is a query routine to verify that all the filters set
* in the dataset creation property list are available currently.
*
* Return: Success: TRUE if all filters available, FALSE if one or
* more filters not currently available.
* Failure: FAIL on error
*
* Programmer: Quincey Koziol
* Tuesday, April 8, 2003
*
* Modifications:
*
* Neil Fortner
* Thursday, May 21, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
htri_t
H5Pall_filters_avail(hid_t plist_id)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
htri_t ret_value; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE1("t", "i", plist_id);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the pipeline property to query */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Check if all filters are available */
if((ret_value = H5Z_all_filters_avail(&pline)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, FAIL, "can't check pipeline information")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pall_filters_avail() */
/*-------------------------------------------------------------------------
* Function: H5P_filter_in_pline
*
* Purpose: Check whether the filter is in the pipeline of the object
* creation property list.
*
* Return: TRUE: found
* FALSE: not found
* FAIL: error
*
* Programmer: Raymond Lu
* 26 April 2013
*
*-------------------------------------------------------------------------
*/
htri_t
H5P_filter_in_pline(H5P_genplist_t *plist, H5Z_filter_t id)
{
H5O_pline_t pline; /* Filter pipeline */
htri_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* Get pipeline info */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Check if the file is in the pipeline */
if((ret_value = H5Z_filter_in_pline(&pline, id)) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTCOMPARE, FAIL, "can't find filter")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_get_filter_by_id() */
/*-------------------------------------------------------------------------
* Function: H5Premove_filter
*
* Purpose: Deletes a filter from the dataset creation property list;
* deletes all filters if FILTER is H5Z_FILTER_NONE
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Pedro Vicente
* January 26, 2004
*
* Modifications:
*
* Neil Fortner
* Thursday, May 21, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Premove_filter(hid_t plist_id, H5Z_filter_t filter)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iZf", plist_id, filter);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the pipeline property to modify */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Check if there are any filters */
if (pline.filter) {
/* Delete filter */
if(H5Z_delete(&pline, filter) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't delete filter")
/* Put the I/O pipeline information back into the property list */
if(H5P_poke(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline")
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Premove_filter() */
/*-------------------------------------------------------------------------
* Function: H5Pset_deflate
*
* Purpose: Sets the compression method for a dataset or group link
* filter pipeline (depending on whether PLIST_ID is a dataset
* creation or group creation property list) to H5Z_FILTER_DEFLATE
* and the compression level to LEVEL which should be a value
* between zero and nine, inclusive. Lower compression levels
* are faster but result in less compression. This is the same
* algorithm as used by the GNU gzip program.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
* Neil Fortner
* Thursday, March 26, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_deflate(hid_t plist_id, unsigned level)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iIu", plist_id, level);
/* Check arguments */
if(level > 9)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "invalid deflate level")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the pipeline property to append to */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Add the filter */
if(H5Z_append(&pline, H5Z_FILTER_DEFLATE, H5Z_FLAG_OPTIONAL, (size_t)1, &level) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add deflate filter to pipeline")
/* Put the I/O pipeline information back into the property list */
if(H5P_poke(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_deflate() */
/*-------------------------------------------------------------------------
* Function: H5Pset_fletcher32
*
* Purpose: Sets Fletcher32 checksum of EDC for a dataset creation
* property list or group creation property list.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Dec 19, 2002
*
* Modifications:
*
* Neil Fortner
* Wednesday, May 6, 2009
* Overloaded to accept gcpl's as well as dcpl's and moved to
* H5Pocpl.c
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_fletcher32(hid_t plist_id)
{
H5P_genplist_t *plist; /* Property list */
H5O_pline_t pline; /* Filter pipeline */
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE1("e", "i", plist_id);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the pipeline property to append to */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
/* Add the Fletcher32 checksum as a filter */
if(H5Z_append(&pline, H5Z_FILTER_FLETCHER32, H5Z_FLAG_MANDATORY, (size_t)0, NULL) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add fletcher32 filter to pipeline")
/* Put the I/O pipeline information back into the property list */
if(H5P_poke(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_fletcher32() */
/*-------------------------------------------------------------------------
* Function: H5P_get_filter
*
* Purpose: Internal component of H5Pget_filter & H5Pget_filter_id
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Monday, October 23, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_get_filter(const H5Z_filter_info_t *filter, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/,
unsigned *filter_config /*out*/)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments */
HDassert(filter);
/* Filter flags */
if(flags)
*flags = filter->flags;
/* Filter parameters */
if(cd_values) {
size_t i; /* Local index variable */
for(i = 0; i < filter->cd_nelmts && i < *cd_nelmts; i++)
cd_values[i] = filter->cd_values[i];
} /* end if */
/* Number of filter parameters */
if(cd_nelmts)
*cd_nelmts = filter->cd_nelmts;
/* Filter name */
if(namelen > 0 && name) {
const char *s = filter->name;
/* If there's no name on the filter, use the class's filter name */
if(!s) {
H5Z_class2_t *cls = H5Z_find(filter->id);
if(cls)
s = cls->name;
} /* end if */
/* Check for actual name */
if(s) {
HDstrncpy(name, s, namelen);
name[namelen - 1] = '\0';
} /* end if */
else {
/* Check for unknown library filter */
/* (probably from a future version of the library) */
if(filter->id < 256) {
HDstrncpy(name, "Unknown library filter", namelen);
name[namelen - 1] = '\0';
} /* end if */
else
name[0] = '\0';
} /* end if */
} /* end if */
/* Filter configuration (assume filter ID has already been checked) */
if(filter_config)
H5Z_get_filter_info(filter->id, filter_config);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P_get_filter() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_set
*
* Purpose: Copies an I/O pipeline property when it's set for a property list
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Thursday, Sept 3, 2015
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_set(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
size_t H5_ATTR_UNUSED size, void *value)
{
H5O_pline_t *pline = (H5O_pline_t *)value; /* Create local aliases for values */
H5O_pline_t new_pline;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(value);
/* Make copy of I/O pipeline */
if(NULL == H5O_msg_copy(H5O_PLINE_ID, pline, &new_pline))
HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy I/O pipeline")
/* Copy new I/O pipeline message over old one */
*pline = new_pline;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_set() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_get
*
* Purpose: Copies a layout property when it's retrieved from a property list
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Tuesday, Sept 1, 2015
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_get(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
size_t H5_ATTR_UNUSED size, void *value)
{
H5O_pline_t *pline = (H5O_pline_t *)value; /* Create local aliases for values */
H5O_pline_t new_pline;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(value);
/* Make copy of I/O pipeline */
if(NULL == H5O_msg_copy(H5O_PLINE_ID, pline, &new_pline))
HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy I/O pipeline")
/* Copy new I/O pipeline message over old one */
*pline = new_pline;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_get() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_enc
*
* Purpose: Callback routine which is called whenever the pipeline
* property in the dataset access property list is
* decoded.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Mohamad Chaarawi
* Monday, October 10, 2011
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_enc(const void *value, void **_pp, size_t *size)
{
const H5O_pline_t *pline = (const H5O_pline_t *)value;
uint8_t **pp = (uint8_t **)_pp;
size_t u; /* Local index variable */
FUNC_ENTER_STATIC_NOERR
HDassert(pline);
HDassert(size);
HDcompile_assert(sizeof(size_t) <= sizeof(uint64_t));
if(NULL != *pp) {
unsigned enc_size;
uint64_t enc_value;
/* Encode size of unsigned */
*(*pp)++ = (uint8_t)sizeof(unsigned);
/* encode nused value */
enc_value = (uint64_t)pline->nused;
enc_size = H5VM_limit_enc_size(enc_value);
HDassert(enc_size < 256);
*(*pp)++ = (uint8_t)enc_size;
UINT64ENCODE_VAR(*pp, enc_value, enc_size);
/* encode each pipeline */
for(u = 0; u < pline->nused; u++) {
unsigned v; /* Local index variable */
/* encode filter ID */
INT32ENCODE(*pp, pline->filter[u].id)
/* encode filter flags */
H5_ENCODE_UNSIGNED(*pp, pline->filter[u].flags)
/* encode filter name if it exists */
if(NULL != pline->filter[u].name) {
/* encode TRUE indicating that it exits */
*(*pp)++ = (uint8_t)TRUE;
/* encode filter name */
HDmemcpy(*pp, (uint8_t *)(pline->filter[u].name), H5Z_COMMON_NAME_LEN);
*pp += H5Z_COMMON_NAME_LEN;
} /* end if */
else
/* encode FALSE indicating that it does not exist */
*(*pp)++ = (uint8_t)FALSE;
/* encode cd_nelmts */
enc_value = (uint64_t)pline->filter[u].cd_nelmts;
enc_size = H5VM_limit_enc_size(enc_value);
HDassert(enc_size < 256);
*(*pp)++ = (uint8_t)enc_size;
UINT64ENCODE_VAR(*pp, enc_value, enc_size);
/* encode all values */
for(v = 0; v < pline->filter[u].cd_nelmts; v++)
H5_ENCODE_UNSIGNED(*pp, pline->filter[u].cd_values[v])
} /* end for */
} /* end if */
/* calculate size required for encoding */
*size += 1;
*size += (1 + H5VM_limit_enc_size((uint64_t)pline->nused));
for(u = 0; u < pline->nused; u++) {
*size += (sizeof(int32_t) + sizeof(unsigned) + 1);
if(NULL != pline->filter[u].name)
*size += H5Z_COMMON_NAME_LEN;
*size += (1 + H5VM_limit_enc_size((uint64_t)pline->filter[u].cd_nelmts));
*size += pline->filter[u].cd_nelmts * sizeof(unsigned);
} /* end for */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P__ocrt_pipeline_enc() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_dec
*
* Purpose: Callback routine which is called whenever the pipeline
* property in the dataset access property list is
* decoded.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Mohamad Chaarawi
* Monday, October 10, 2011
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_dec(const void **_pp, void *_value)
{
H5O_pline_t *pline = (H5O_pline_t *)_value; /* Property to set */
const uint8_t **pp = (const uint8_t **)_pp;
size_t nused; /* Number of filters used for pipeline */
unsigned enc_size; /* Size of encoded value (in bytes) */
uint64_t enc_value; /* Value to encode */
size_t u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
HDcompile_assert(sizeof(size_t) <= sizeof(uint64_t));
/* Decode the size of size_t */
enc_size = *(*pp)++;
if(enc_size != sizeof(unsigned))
HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "unsigned value can't be decoded")
/* decode nused */
enc_size = *(*pp)++;
HDassert(enc_size < 256);
UINT64DECODE_VAR(*pp, enc_value, enc_size);
nused = (size_t)enc_value;
/* Set property default value */
HDmemset(pline, 0, sizeof(H5O_pline_t));
*pline = H5O_def_pline_g;
for(u = 0; u < nused; u++) {
H5Z_filter_info_t filter; /* Filter info, for pipeline */
uint8_t has_name; /* Flag to indicate whether filter has a name */
unsigned v; /* Local index variable */
/* decode filter id */
INT32DECODE(*pp, filter.id)
/* decode filter flags */
H5_DECODE_UNSIGNED(*pp, filter.flags)
/* decode value indicating if the name is encoded */
has_name = *(*pp)++;
if(has_name) {
/* decode name */
filter.name = H5MM_xstrdup((const char *)(*pp));
*pp += H5Z_COMMON_NAME_LEN;
} /* end if */
else
filter.name = NULL;
/* decode num elements */
enc_size = *(*pp)++;
HDassert(enc_size < 256);
UINT64DECODE_VAR(*pp, enc_value, enc_size);
filter.cd_nelmts = (size_t)enc_value;
if(filter.cd_nelmts) {
if(NULL == (filter.cd_values = (unsigned *)H5MM_malloc(sizeof(unsigned) * filter.cd_nelmts)))
HGOTO_ERROR(H5E_PLIST, H5E_CANTALLOC, FAIL, "memory allocation failed for cd_values")
} /* end if */
else
filter.cd_values = NULL;
/* decode values */
for(v = 0; v < filter.cd_nelmts; v++)
H5_DECODE_UNSIGNED(*pp, filter.cd_values[v])
/* Add the filter to the I/O pipeline */
if(H5Z_append(pline, filter.id, filter.flags, filter.cd_nelmts, filter.cd_values) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add filter to pipeline")
/* Free cd_values, if it was allocated */
filter.cd_values = (unsigned *)H5MM_xfree(filter.cd_values);
} /* end for */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5P__ocrt_pipeline_dec() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_del
*
* Purpose: Frees memory used to store the I/O pipeline property
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Thursday, Sept 3, 2015
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_del(hid_t H5_ATTR_UNUSED prop_id, const char H5_ATTR_UNUSED *name,
size_t H5_ATTR_UNUSED size, void *value)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(value);
/* Reset the old I/O pipeline */
if(H5O_msg_reset(H5O_PLINE_ID, value) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTRESET, FAIL, "can't release I/O pipeline message")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_del() */
/*--------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_copy
*
* Purpose: Copy the I/O pipeline property
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Thursday, Sept 3, 2015
*
*--------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_copy(const char H5_ATTR_UNUSED *name, size_t H5_ATTR_UNUSED size,
void *value)
{
H5O_pline_t *pline = (H5O_pline_t *)value; /* Create local aliases for values */
H5O_pline_t new_pline;
herr_t ret_value = SUCCEED;
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(pline);
/* Make copy of I/O pipeline */
if(NULL == H5O_msg_copy(H5O_PLINE_ID, pline, &new_pline))
HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy I/O pipeline")
/* Copy new I/O pipeline message over old one */
*pline = new_pline;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_copy() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_cmp
*
* Purpose: Callback routine which is called whenever a filter pipeline
* property in a property list is compared.
*
* Return: positive if VALUE1 is greater than VALUE2, negative if
* VALUE2 is greater than VALUE1 and zero if VALUE1 and
* VALUE2 are equal.
*
* Programmer: Quincey Koziol
* Wednesday, January 7, 2004
*
*-------------------------------------------------------------------------
*/
static int
H5P__ocrt_pipeline_cmp(const void *_pline1, const void *_pline2, size_t H5_ATTR_UNUSED size)
{
const H5O_pline_t *pline1 = (const H5O_pline_t *)_pline1, /* Create local aliases for values */
*pline2 = (const H5O_pline_t *)_pline2;
int cmp_value; /* Value from comparison */
herr_t ret_value = 0; /* Return value */
FUNC_ENTER_STATIC_NOERR
/* Sanity check */
HDassert(pline1);
HDassert(pline2);
HDassert(size == sizeof(H5O_pline_t));
/* Check the number of used pipeline entries */
if(pline1->nused < pline2->nused) HGOTO_DONE(-1);
if(pline1->nused > pline2->nused) HGOTO_DONE(1);
/* Check the filter entry information */
if(pline1->filter == NULL && pline2->filter != NULL) HGOTO_DONE(-1);
if(pline1->filter != NULL && pline2->filter == NULL) HGOTO_DONE(1);
if(pline1->filter != NULL && pline1->nused > 0) {
size_t u; /* Local index variable */
/* Loop through all filters, comparing them */
for(u = 0; u < pline1->nused; u++) {
/* Check the ID of the filter */
if(pline1->filter[u].id < pline2->filter[u].id) HGOTO_DONE(-1);
if(pline1->filter[u].id > pline2->filter[u].id) HGOTO_DONE(1);
/* Check the flags for the filter */
if(pline1->filter[u].flags < pline2->filter[u].flags) HGOTO_DONE(-1);
if(pline1->filter[u].flags > pline2->filter[u].flags) HGOTO_DONE(1);
/* Check the name of the filter */
if(pline1->filter[u].name == NULL && pline2->filter[u].name != NULL) HGOTO_DONE(-1);
if(pline1->filter[u].name != NULL && pline2->filter[u].name == NULL) HGOTO_DONE(1);
if(pline1->filter[u].name != NULL)
if((cmp_value = HDstrcmp(pline1->filter[u].name, pline2->filter[u].name)) != 0)
HGOTO_DONE(cmp_value);
/* Check the number of parameters for the filter */
if(pline1->filter[u].cd_nelmts < pline2->filter[u].cd_nelmts) HGOTO_DONE(-1);
if(pline1->filter[u].cd_nelmts > pline2->filter[u].cd_nelmts) HGOTO_DONE(1);
/* Check the filter parameter information */
if(pline1->filter[u].cd_values == NULL && pline2->filter[u].cd_values != NULL) HGOTO_DONE(-1);
if(pline1->filter[u].cd_values != NULL && pline2->filter[u].cd_values == NULL) HGOTO_DONE(1);
if(pline1->filter[u].cd_values != NULL && pline1->filter[u].cd_nelmts > 0) {
size_t v; /* Local index variable */
/* Loop through all parameters, comparing them */
for(v = 0; v < pline1->filter[u].cd_nelmts; v++) {
/* Check each parameter for the filter */
if(pline1->filter[u].cd_values[v] < pline2->filter[u].cd_values[v]) HGOTO_DONE(-1);
if(pline1->filter[u].cd_values[v] > pline2->filter[u].cd_values[v]) HGOTO_DONE(1);
} /* end for */
} /* end if */
} /* end for */
} /* end if */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_cmp() */
/*-------------------------------------------------------------------------
* Function: H5P__ocrt_pipeline_close
*
* Purpose: Frees memory used to store the I/O pipeline property
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Thursday, Sept 3, 2015
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__ocrt_pipeline_close(const char H5_ATTR_UNUSED *name, size_t H5_ATTR_UNUSED size,
void *value)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity check */
HDassert(value);
/* Reset the old I/O pipeline */
if(H5O_msg_reset(H5O_PLINE_ID, value) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTRESET, FAIL, "can't release I/O pipeline message")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__ocrt_pipeline_close() */
#ifndef H5_NO_DEPRECATED_SYMBOLS
/*-------------------------------------------------------------------------
* Function: H5Pget_filter1
*
* Purpose: This is the query counterpart of H5Pset_filter() and returns
* information about a particular filter number in a permanent
* or transient pipeline depending on whether PLIST_ID is a
* dataset creation or transfer property list. On input,
* CD_NELMTS indicates the number of entries in the CD_VALUES
* array allocated by the caller while on exit it contains the
* number of values defined by the filter. The IDX
* should be a value between zero and N-1 as described for
* H5Pget_nfilters() and the function will return failure if the
* filter number is out of range.
*
* Return: Success: Filter identification number.
*
* Failure: H5Z_FILTER_ERROR (Negative)
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
*-------------------------------------------------------------------------
*/
H5Z_filter_t
H5Pget_filter1(hid_t plist_id, unsigned idx, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/)
{
H5O_pline_t pline; /* Filter pipeline */
const H5Z_filter_info_t *filter; /* Pointer to filter information */
H5P_genplist_t *plist; /* Property list pointer */
H5Z_filter_t ret_value; /* return value */
FUNC_ENTER_API(H5Z_FILTER_ERROR)
H5TRACE7("Zf", "iIux*zxzx", plist_id, idx, flags, cd_nelmts, cd_values, namelen,
name);
/* Check args */
if(cd_nelmts || cd_values) {
/*
* It's likely that users forget to initialize this on input, so
* we'll check that it has a reasonable value. The actual number
* is unimportant because the H5O layer will detect when a message
* is too large.
*/
if(cd_nelmts && *cd_nelmts > 256)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "probable uninitialized *cd_nelmts argument")
if(cd_nelmts && *cd_nelmts > 0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "client data values not supplied")
/*
* If cd_nelmts is null but cd_values is non-null then just ignore
* cd_values
*/
if(!cd_nelmts)
cd_values = NULL;
} /* end if */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, H5Z_FILTER_ERROR, "can't find object for ID")
/* Get pipeline info */
if(H5P_peek(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get pipeline")
/* Check more args */
if(idx >= pline.nused)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "filter number is invalid")
/* Set pointer to particular filter to query */
filter = &pline.filter[idx];
/* Get filter information */
if(H5P_get_filter(filter, flags, cd_nelmts, cd_values, namelen, name, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get filter info")
/* Set return value */
ret_value = filter->id;
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_filter1() */
/*-------------------------------------------------------------------------
* Function: H5Pget_filter_by_id1
*
* Purpose: This is an additional query counterpart of H5Pset_filter() and
* returns information about a particular filter in a permanent
* or transient pipeline depending on whether PLIST_ID is a
* dataset creation or transfer property list. On input,
* CD_NELMTS indicates the number of entries in the CD_VALUES
* array allocated by the caller while on exit it contains the
* number of values defined by the filter. The ID
* should be the filter ID to retrieve the parameters for. If the
* filter is not set for the property list, an error will be returned.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Friday, April 5, 2003
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_filter_by_id1(hid_t plist_id, H5Z_filter_t id, unsigned int *flags/*out*/,
size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/,
size_t namelen, char name[]/*out*/)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE7("e", "iZfx*zxzx", plist_id, id, flags, cd_nelmts, cd_values, namelen,
name);
/* Check args */
if(cd_nelmts || cd_values) {
/*
* It's likely that users forget to initialize this on input, so
* we'll check that it has a reasonable value. The actual number
* is unimportant because the H5O layer will detect when a message
* is too large.
*/
if(cd_nelmts && *cd_nelmts > 256)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "probable uninitialized *cd_nelmts argument")
if(cd_nelmts && *cd_nelmts > 0 && !cd_values)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "client data values not supplied")
/*
* If cd_nelmts is null but cd_values is non-null then just ignore
* cd_values
*/
if(!cd_nelmts)
cd_values = NULL;
} /* end if */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get filter info */
if(H5P_get_filter_by_id(plist, id, flags, cd_nelmts, cd_values, namelen, name, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get filter info")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_filter_by_id1() */
#endif /* H5_NO_DEPRECATED_SYMBOLS */
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