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|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Pdcpl.c
* February 26 1998
* Robb Matzke <matzke@llnl.gov>
*
* Purpose: Dataset creation property list class routines
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5P_PACKAGE /*suppress error about including H5Ppkg */
#define H5Z_PACKAGE /*suppress error about including H5Zpkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
#include "H5FLprivate.h" /* Free Lists */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Ppkg.h" /* Property lists */
#include "H5Zpkg.h" /* Data filters */
/****************/
/* Local Macros */
/****************/
/* Define default layout information */
#define H5D_DEF_STORAGE_COMPACT_INIT {(hbool_t)FALSE, (size_t)0, NULL}
#define H5D_DEF_STORAGE_CONTIG_INIT {HADDR_UNDEF, (hsize_t)0}
#define H5D_DEF_STORAGE_CHUNK_INIT {H5D_CHUNK_BTREE, HADDR_UNDEF, NULL, {{HADDR_UNDEF, NULL}}}
#define H5D_DEF_LAYOUT_CHUNK_INIT {(unsigned)0, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, (uint32_t)0, (hsize_t)0, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}
#ifdef H5_HAVE_C99_DESIGNATED_INITIALIZER
#define H5D_DEF_STORAGE_COMPACT {H5D_COMPACT, { .compact = H5D_DEF_STORAGE_COMPACT_INIT }}
#define H5D_DEF_STORAGE_CONTIG {H5D_CONTIGUOUS, { .contig = H5D_DEF_STORAGE_CONTIG_INIT }}
#define H5D_DEF_STORAGE_CHUNK {H5D_CHUNKED, { .chunk = H5D_DEF_STORAGE_CHUNK_INIT }}
#define H5D_DEF_LAYOUT_COMPACT {H5D_COMPACT, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, H5D_DEF_STORAGE_COMPACT}
#define H5D_DEF_LAYOUT_CONTIG {H5D_CONTIGUOUS, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, H5D_DEF_STORAGE_CONTIG}
#define H5D_DEF_LAYOUT_CHUNK {H5D_CHUNKED, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, H5D_DEF_STORAGE_CHUNK}
#else /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/* Note that the compact & chunked layout initialization values are using the
* contiguous layout initialization in the union, because the contiguous
* layout is first in the union. These values are overridden in the
* H5P_init_def_layout() routine. -QAK
*/
#define H5D_DEF_LAYOUT_COMPACT {H5D_COMPACT, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, {H5D_CONTIGUOUS, H5D_DEF_STORAGE_CONTIG_INIT}}
#define H5D_DEF_LAYOUT_CONTIG {H5D_CONTIGUOUS, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, {H5D_CONTIGUOUS, H5D_DEF_STORAGE_CONTIG_INIT}}
#define H5D_DEF_LAYOUT_CHUNK {H5D_CHUNKED, H5O_LAYOUT_VERSION_3, NULL, {H5D_DEF_LAYOUT_CHUNK_INIT}, {H5D_CONTIGUOUS, H5D_DEF_STORAGE_CONTIG_INIT}}
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/* ======== Dataset creation properties ======== */
/* Definitions for storage layout property */
#define H5D_CRT_LAYOUT_SIZE sizeof(H5O_layout_t)
#define H5D_CRT_LAYOUT_DEF H5D_DEF_LAYOUT_CONTIG
#define H5D_CRT_LAYOUT_CMP H5P_dcrt_layout_cmp
/* Definitions for fill value. size=0 means fill value will be 0 as
* library default; size=-1 means fill value is undefined. */
#define H5D_CRT_FILL_VALUE_SIZE sizeof(H5O_fill_t)
#define H5D_CRT_FILL_VALUE_DEF {{0, NULL, H5O_NULL_ID, {{0, HADDR_UNDEF}}}, H5O_FILL_VERSION_2, NULL, 0, NULL, H5D_ALLOC_TIME_LATE, H5D_FILL_TIME_IFSET, FALSE}
#define H5D_CRT_FILL_VALUE_CMP H5P_fill_value_cmp
/* Definitions for space allocation time state */
#define H5D_CRT_ALLOC_TIME_STATE_SIZE sizeof(unsigned)
#define H5D_CRT_ALLOC_TIME_STATE_DEF 1
/* Definitions for external file list */
#define H5D_CRT_EXT_FILE_LIST_SIZE sizeof(H5O_efl_t)
#define H5D_CRT_EXT_FILE_LIST_DEF {HADDR_UNDEF, 0, 0, NULL}
#define H5D_CRT_EXT_FILE_LIST_CMP H5P_dcrt_ext_file_list_cmp
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/* General routines */
static herr_t H5P_set_layout(H5P_genplist_t *plist, const H5O_layout_t *layout);
#ifndef H5_HAVE_C99_DESIGNATED_INITIALIZER
static herr_t H5P_init_def_layout(void);
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/* Property class callbacks */
static herr_t H5P_dcrt_reg_prop(H5P_genclass_t *pclass);
static herr_t H5P_dcrt_copy(hid_t new_plist_t, hid_t old_plist_t, void *copy_data);
static herr_t H5P_dcrt_close(hid_t dxpl_id, void *close_data);
/* Property callbacks */
static int H5P_dcrt_layout_cmp(const void *value1, const void *value2, size_t size);
static int H5P_dcrt_ext_file_list_cmp(const void *value1, const void *value2, size_t size);
/*********************/
/* Package Variables */
/*********************/
/* Dataset creation property list class library initialization object */
const H5P_libclass_t H5P_CLS_DCRT[1] = {{
"dataset create", /* Class name for debugging */
&H5P_CLS_OBJECT_CREATE_g, /* Parent class ID */
&H5P_CLS_DATASET_CREATE_g, /* Pointer to class ID */
&H5P_LST_DATASET_CREATE_g, /* Pointer to default property list ID */
H5P_dcrt_reg_prop, /* Default property registration routine */
NULL, /* Class creation callback */
NULL, /* Class creation callback info */
H5P_dcrt_copy, /* Class copy callback */
NULL, /* Class copy callback info */
H5P_dcrt_close, /* Class close callback */
NULL /* Class close callback info */
}};
/*****************************/
/* Library Private Variables */
/*****************************/
/* Declare extern the free list to manage blocks of type conversion data */
H5FL_BLK_EXTERN(type_conv);
/* Defaults for each type of layout */
#ifdef H5_HAVE_C99_DESIGNATED_INITIALIZER
static const H5O_layout_t H5D_def_layout_compact_g = H5D_DEF_LAYOUT_COMPACT;
static const H5O_layout_t H5D_def_layout_contig_g = H5D_DEF_LAYOUT_CONTIG;
static const H5O_layout_t H5D_def_layout_chunk_g = H5D_DEF_LAYOUT_CHUNK;
#else /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
static H5O_layout_t H5D_def_layout_compact_g = H5D_DEF_LAYOUT_COMPACT;
static H5O_layout_t H5D_def_layout_contig_g = H5D_DEF_LAYOUT_CONTIG;
static H5O_layout_t H5D_def_layout_chunk_g = H5D_DEF_LAYOUT_CHUNK;
static hbool_t H5P_dcrt_def_layout_init_g = FALSE;
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/*-------------------------------------------------------------------------
* Function: H5P_dcrt_reg_prop
*
* Purpose: Register the dataset creation property list class's properties
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* October 31, 2006
*-------------------------------------------------------------------------
*/
static herr_t
H5P_dcrt_reg_prop(H5P_genclass_t *pclass)
{
H5O_layout_t layout = H5D_CRT_LAYOUT_DEF; /* Default storage layout */
H5O_fill_t fill = H5D_CRT_FILL_VALUE_DEF; /* Default fill value */
unsigned alloc_time_state = H5D_CRT_ALLOC_TIME_STATE_DEF; /* Default allocation time state */
H5O_efl_t efl = H5D_CRT_EXT_FILE_LIST_DEF; /* Default external file list */
hid_t type_id = FAIL;
hid_t space_id = FAIL;
hid_t lcpl_id = H5P_LINK_CREATE_DEFAULT;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* Register the storage layout property */
if(H5P_register_real(pclass, H5D_CRT_LAYOUT_NAME, H5D_CRT_LAYOUT_SIZE, &layout, NULL, NULL, NULL, NULL, NULL, H5D_CRT_LAYOUT_CMP, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the fill value property */
if(H5P_register_real(pclass, H5D_CRT_FILL_VALUE_NAME, H5D_CRT_FILL_VALUE_SIZE, &fill, NULL, NULL, NULL, NULL, NULL, H5D_CRT_FILL_VALUE_CMP, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the space allocation time state property */
if(H5P_register_real(pclass, H5D_CRT_ALLOC_TIME_STATE_NAME, H5D_CRT_ALLOC_TIME_STATE_SIZE, &alloc_time_state, NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the external file list property */
if(H5P_register_real(pclass, H5D_CRT_EXT_FILE_LIST_NAME, H5D_CRT_EXT_FILE_LIST_SIZE, &efl, NULL, NULL, NULL, NULL, NULL, H5D_CRT_EXT_FILE_LIST_CMP, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the type ID property*/
if(H5P_register_real(pclass, H5VL_DSET_TYPE_ID, sizeof(hid_t), &type_id,
NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the space ID property */
if(H5P_register_real(pclass, H5VL_DSET_SPACE_ID, sizeof(hid_t), &space_id,
NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register the lcpl ID property */
if(H5P_register_real(pclass, H5VL_DSET_LCPL_ID, sizeof(hid_t), &lcpl_id,
NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_dcrt_reg_prop() */
/*-------------------------------------------------------------------------
* Function: H5P_dcrt_copy
*
* Purpose: Callback routine which is called whenever any dataset
* creation property list is copied. This routine copies
* the properties from the old list to the new list.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Raymond Lu
* Tuesday, October 2, 2001
*
*-------------------------------------------------------------------------
*/
/* ARGSUSED */
static herr_t
H5P_dcrt_copy(hid_t dst_plist_id, hid_t src_plist_id, void UNUSED *copy_data)
{
H5O_fill_t src_fill, dst_fill; /* Source & destination fill values */
H5O_efl_t src_efl, dst_efl; /* Source & destination external file lists */
H5O_layout_t src_layout, dst_layout; /* Source & destination layout */
H5P_genplist_t *src_plist; /* Pointer to source property list */
H5P_genplist_t *dst_plist; /* Pointer to destination property list */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* Verify property list IDs */
if(NULL == (dst_plist = (H5P_genplist_t *)H5I_object(dst_plist_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
if(NULL == (src_plist = (H5P_genplist_t *)H5I_object(src_plist_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
/* Get the layout, fill value, external file list, and data pipeline
* properties from the old property list
*/
if(H5P_get(src_plist, H5D_CRT_LAYOUT_NAME, &src_layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get layout")
if(H5P_get(src_plist, H5D_CRT_FILL_VALUE_NAME, &src_fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
if(H5P_get(src_plist, H5D_CRT_EXT_FILE_LIST_NAME, &src_efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file list")
/* Make copy of layout */
if(NULL == H5O_msg_copy(H5O_LAYOUT_ID, &src_layout, &dst_layout))
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't copy layout")
/* Reset layout values set when dataset is created */
dst_layout.ops = NULL;
switch(dst_layout.type) {
case H5D_COMPACT:
dst_layout.storage.u.compact.buf = H5MM_xfree(dst_layout.storage.u.compact.buf);
HDmemset(&dst_layout.storage.u.compact, 0, sizeof(dst_layout.storage.u.compact));
break;
case H5D_CONTIGUOUS:
dst_layout.storage.u.contig.addr = HADDR_UNDEF;
dst_layout.storage.u.contig.size = 0;
break;
case H5D_CHUNKED:
/* Reset chunk size */
dst_layout.u.chunk.size = 0;
/* Reset index info, if the chunk ops are set */
if(dst_layout.storage.u.chunk.ops)
/* Reset address and pointer of the array struct for the chunked storage index */
if(H5D_chunk_idx_reset(&dst_layout.storage.u.chunk, TRUE) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to reset chunked storage index in dest")
/* Reset chunk index ops */
dst_layout.storage.u.chunk.ops = NULL;
break;
default:
HDassert(0 && "Unknown layout type!");
} /* end switch */
/* Make copy of fill value */
if(NULL == H5O_msg_copy(H5O_FILL_ID, &src_fill, &dst_fill))
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't copy fill value")
/* Make copy of external file list */
HDmemset(&dst_efl, 0, sizeof(H5O_efl_t));
if(NULL == H5O_msg_copy(H5O_EFL_ID, &src_efl, &dst_efl))
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't copy external file list")
/* Reset efl name_offset and heap_addr, these are the values when the dataset is created */
if(dst_efl.slot) {
unsigned int i;
dst_efl.heap_addr = HADDR_UNDEF;
for(i = 0; i < dst_efl.nused; i++)
dst_efl.slot[i].name_offset = 0;
} /* end if */
/* Set the layout, fill value, external file list, and data pipeline
* properties for the destination property list
*/
if(H5P_set(dst_plist, H5D_CRT_LAYOUT_NAME, &dst_layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set layout")
if(H5P_set(dst_plist, H5D_CRT_FILL_VALUE_NAME, &dst_fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set fill value")
if(H5P_set(dst_plist, H5D_CRT_EXT_FILE_LIST_NAME, &dst_efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set external file list")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_dcrt_copy() */
/*-------------------------------------------------------------------------
* Function: H5P_dcrt_close
*
* Purpose: Callback routine which is called whenever any dataset create
* property list is closed. This routine performs any generic
* cleanup needed on the properties the library put into the list.
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Quincey Koziol
* Wednesday, July 11, 2001
*
*-------------------------------------------------------------------------
*/
/* ARGSUSED */
static herr_t
H5P_dcrt_close(hid_t dcpl_id, void UNUSED *close_data)
{
H5O_fill_t fill; /* Fill value */
H5O_efl_t efl; /* External file list */
H5P_genplist_t *plist; /* Property list */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* Check arguments */
if(NULL == (plist = (H5P_genplist_t *)H5I_object(dcpl_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
/* Get the fill value, external file list, and data pipeline properties
* from the old property list */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
if(H5P_get(plist, H5D_CRT_EXT_FILE_LIST_NAME, &efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file list")
/* Clean up any values set for the fill-value and external file-list */
if(H5O_msg_reset(H5O_FILL_ID, &fill) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "can't release fill info")
if(H5O_msg_reset(H5O_EFL_ID, &efl) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "can't release external file list info")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_dcrt_close() */
/*-------------------------------------------------------------------------
* Function: H5P_dcrt_layout_cmp
*
* Purpose: Callback routine which is called whenever the layout
* property in the dataset creation 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
* Tuesday, December 23, 2008
*
*-------------------------------------------------------------------------
*/
static int
H5P_dcrt_layout_cmp(const void *_layout1, const void *_layout2, size_t UNUSED size)
{
const H5O_layout_t *layout1 = (const H5O_layout_t *)_layout1, /* Create local aliases for values */
*layout2 = (const H5O_layout_t *)_layout2;
herr_t ret_value = 0; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Sanity check */
HDassert(layout1);
HDassert(layout2);
HDassert(size == sizeof(H5O_layout_t));
/* Check for different layout type */
if(layout1->type < layout2->type) HGOTO_DONE(-1)
if(layout1->type > layout2->type) HGOTO_DONE(1)
/* Check for different layout version */
if(layout1->version < layout2->version) HGOTO_DONE(-1)
if(layout1->version > layout2->version) HGOTO_DONE(1)
/* Compare non-dataset-specific fields in layout info */
switch(layout1->type) {
case H5D_COMPACT:
case H5D_CONTIGUOUS:
break;
case H5D_CHUNKED:
{
unsigned u; /* Local index variable */
/* Check the number of dimensions */
if(layout1->u.chunk.ndims < layout2->u.chunk.ndims) HGOTO_DONE(-1)
if(layout1->u.chunk.ndims > layout2->u.chunk.ndims) HGOTO_DONE(1)
/* Compare the chunk dims */
for(u = 0; u < layout1->u.chunk.ndims - 1; u++) {
if(layout1->u.chunk.dim[u] < layout2->u.chunk.dim[u]) HGOTO_DONE(-1)
if(layout1->u.chunk.dim[u] > layout2->u.chunk.dim[u]) HGOTO_DONE(1)
} /* end for */
} /* end case */
break;
default:
HDassert(0 && "Unknown layout type!");
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_dcrt_layout_cmp() */
/*-------------------------------------------------------------------------
* Function: H5P_fill_value_cmp
*
* Purpose: Callback routine which is called whenever the fill value
* property in the dataset creation 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
*
*-------------------------------------------------------------------------
*/
int
H5P_fill_value_cmp(const void *_fill1, const void *_fill2, size_t UNUSED size)
{
const H5O_fill_t *fill1 = (const H5O_fill_t *)_fill1, /* Create local aliases for values */
*fill2 = (const H5O_fill_t *)_fill2;
int cmp_value; /* Value from comparison */
herr_t ret_value = 0; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Sanity check */
HDassert(fill1);
HDassert(fill2);
HDassert(size == sizeof(H5O_fill_t));
/* Check the size of fill values */
if(fill1->size < fill2->size) HGOTO_DONE(-1);
if(fill1->size > fill2->size) HGOTO_DONE(1);
/* Check the types of the fill values */
if(fill1->type == NULL && fill2->type != NULL) HGOTO_DONE(-1);
if(fill1->type != NULL && fill2->type == NULL) HGOTO_DONE(1);
if(fill1->type != NULL)
if((cmp_value = H5T_cmp(fill1->type, fill2->type, FALSE)) != 0)
HGOTO_DONE(cmp_value);
/* Check the fill values in the buffers */
if(fill1->buf == NULL && fill2->buf != NULL) HGOTO_DONE(-1);
if(fill1->buf != NULL && fill2->buf == NULL) HGOTO_DONE(1);
if(fill1->buf != NULL)
if((cmp_value = HDmemcmp(fill1->buf, fill2->buf, (size_t)fill1->size)) != 0)
HGOTO_DONE(cmp_value);
/* Check the allocation time for the fill values */
if(fill1->alloc_time < fill2->alloc_time) HGOTO_DONE(-1);
if(fill1->alloc_time > fill2->alloc_time) HGOTO_DONE(1);
/* Check the fill time for the fill values */
if(fill1->fill_time < fill2->fill_time) HGOTO_DONE(-1);
if(fill1->fill_time > fill2->fill_time) HGOTO_DONE(1);
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_fill_value_cmp() */
/*-------------------------------------------------------------------------
* Function: H5P_dcrt_ext_file_list_cmp
*
* Purpose: Callback routine which is called whenever the external file
* list property in the dataset creation 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_dcrt_ext_file_list_cmp(const void *_efl1, const void *_efl2, size_t UNUSED size)
{
const H5O_efl_t *efl1 = (const H5O_efl_t *)_efl1, /* Create local aliases for values */
*efl2 = (const H5O_efl_t *)_efl2;
int cmp_value; /* Value from comparison */
herr_t ret_value = 0; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Sanity check */
HDassert(efl1);
HDassert(efl2);
HDassert(size == sizeof(H5O_efl_t));
/* Check the heap address of external file lists */
if(H5F_addr_defined(efl1->heap_addr) || H5F_addr_defined(efl2->heap_addr)) {
if(!H5F_addr_defined(efl1->heap_addr) && H5F_addr_defined(efl2->heap_addr)) HGOTO_DONE(-1);
if(H5F_addr_defined(efl1->heap_addr) && !H5F_addr_defined(efl2->heap_addr)) HGOTO_DONE(1);
if((cmp_value = H5F_addr_cmp(efl1->heap_addr, efl2->heap_addr)) != 0)
HGOTO_DONE(cmp_value);
} /* end if */
/* Check the number of allocated efl entries */
if(efl1->nalloc < efl2->nalloc) HGOTO_DONE(-1);
if(efl1->nalloc > efl2->nalloc) HGOTO_DONE(1);
/* Check the number of used efl entries */
if(efl1->nused < efl2->nused) HGOTO_DONE(-1);
if(efl1->nused > efl2->nused) HGOTO_DONE(1);
/* Check the efl entry information */
if(efl1->slot == NULL && efl2->slot != NULL) HGOTO_DONE(-1);
if(efl1->slot != NULL && efl2->slot == NULL) HGOTO_DONE(1);
if(efl1->slot != NULL && efl1->nused > 0) {
size_t u; /* Local index variable */
/* Loop through all entries, comparing them */
for(u = 0; u < efl1->nused; u++) {
/* Check the name offset of the efl entry */
if(efl1->slot[u].name_offset < efl2->slot[u].name_offset) HGOTO_DONE(-1);
if(efl1->slot[u].name_offset > efl2->slot[u].name_offset) HGOTO_DONE(1);
/* Check the name of the efl entry */
if(efl1->slot[u].name == NULL && efl2->slot[u].name != NULL) HGOTO_DONE(-1);
if(efl1->slot[u].name != NULL && efl2->slot[u].name == NULL) HGOTO_DONE(1);
if(efl1->slot[u].name != NULL)
if((cmp_value = HDstrcmp(efl1->slot[u].name, efl2->slot[u].name)) != 0)
HGOTO_DONE(cmp_value);
/* Check the file offset of the efl entry */
if(efl1->slot[u].offset < efl2->slot[u].offset) HGOTO_DONE(-1);
if(efl1->slot[u].offset > efl2->slot[u].offset) HGOTO_DONE(1);
/* Check the file size of the efl entry */
if(efl1->slot[u].size < efl2->slot[u].size) HGOTO_DONE(-1);
if(efl1->slot[u].size > efl2->slot[u].size) HGOTO_DONE(1);
} /* end for */
} /* end if */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_dcrt_ext_file_list_cmp() */
/*-------------------------------------------------------------------------
* Function: H5P_set_layout
*
* Purpose: Sets the layout of raw data in the file.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, November 23, 2004
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P_set_layout(H5P_genplist_t *plist, const H5O_layout_t *layout)
{
unsigned alloc_time_state; /* State of allocation time property */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_NOAPI_NOINIT
/* Get the allocation time state */
if(H5P_get(plist, H5D_CRT_ALLOC_TIME_STATE_NAME, &alloc_time_state) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get space allocation time state")
/* If we still have the "default" allocation time, change it according to the new layout */
if(alloc_time_state) {
H5O_fill_t fill; /* Fill value */
/* Get current fill value info */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Set the default based on layout */
switch(layout->type) {
case H5D_COMPACT:
fill.alloc_time = H5D_ALLOC_TIME_EARLY;
break;
case H5D_CONTIGUOUS:
fill.alloc_time = H5D_ALLOC_TIME_LATE;
break;
case H5D_CHUNKED:
fill.alloc_time = H5D_ALLOC_TIME_INCR;
break;
default:
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown layout type")
} /* end switch */
/* Set updated fill value info */
if(H5P_set(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set space allocation time")
} /* end if */
/* Set layout value */
if(H5P_set(plist, H5D_CRT_LAYOUT_NAME, layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't set layout")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_set_layout() */
#ifndef H5_HAVE_C99_DESIGNATED_INITIALIZER
/*-------------------------------------------------------------------------
* Function: H5P_init_def_layout
*
* Purpose: Set the default layout information for the various types of
* dataset layouts
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, January 13, 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P_init_def_layout(void)
{
const H5O_layout_chunk_t def_layout_chunk = H5D_DEF_LAYOUT_CHUNK_INIT;
const H5O_storage_compact_t def_store_compact = H5D_DEF_STORAGE_COMPACT_INIT;
const H5O_storage_chunk_t def_store_chunk = H5D_DEF_STORAGE_CHUNK_INIT;
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Initialize the default layout info for non-contigous layouts */
H5D_def_layout_compact_g.storage.u.compact = def_store_compact;
H5D_def_layout_chunk_g.u.chunk = def_layout_chunk;
H5D_def_layout_chunk_g.storage.u.chunk = def_store_chunk;
/* Note that we've initialized the default values */
H5P_dcrt_def_layout_init_g = TRUE;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P_init_def_layout() */
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/*-------------------------------------------------------------------------
* Function: H5Pset_layout
*
* Purpose: Sets the layout of raw data in the file.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Tuesday, January 6, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_layout(hid_t plist_id, H5D_layout_t layout_type)
{
H5P_genplist_t *plist; /* Property list pointer */
const H5O_layout_t *layout; /* Pointer to default layout information for type specified */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iDl", plist_id, layout_type);
/* Check arguments */
if(layout_type < 0 || layout_type >= H5D_NLAYOUTS)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "raw data layout method is not valid")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
#ifndef H5_HAVE_C99_DESIGNATED_INITIALIZER
/* If the compiler doesn't support C99 designated initializers, check if
* the default layout structs have been initialized yet or not. *ick* -QAK
*/
if(!H5P_dcrt_def_layout_init_g)
if(H5P_init_def_layout() < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't initialize default layout info")
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/* Get pointer to correct default layout */
switch(layout_type) {
case H5D_COMPACT:
layout = &H5D_def_layout_compact_g;
break;
case H5D_CONTIGUOUS:
layout = &H5D_def_layout_contig_g;
break;
case H5D_CHUNKED:
layout = &H5D_def_layout_chunk_g;
break;
default:
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown layout type")
} /* end switch */
/* Set value */
if(H5P_set_layout(plist, layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't set layout")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_layout() */
/*-------------------------------------------------------------------------
* Function: H5Pget_layout
*
* Purpose: Retrieves layout type of a dataset creation property list.
*
* Return: Success: The layout type
*
* Failure: H5D_LAYOUT_ERROR (negative)
*
* Programmer: Robb Matzke
* Wednesday, January 7, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and get property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
H5D_layout_t
H5Pget_layout(hid_t plist_id)
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_layout_t layout; /* Layout property */
H5D_layout_t ret_value; /* Return value */
FUNC_ENTER_API(H5D_LAYOUT_ERROR)
H5TRACE1("Dl", "i", plist_id);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, H5D_LAYOUT_ERROR, "can't find object for ID")
/* Get layout property */
if(H5P_get(plist, H5D_CRT_LAYOUT_NAME, &layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5D_LAYOUT_ERROR, "can't get layout")
/* Set return value */
ret_value = layout.type;
done:
FUNC_LEAVE_API(ret_value)
} /* ed H5Pget_layout() */
/*-------------------------------------------------------------------------
* Function: H5Pset_chunk
*
* Purpose: Sets the number of dimensions and the size of each chunk to
* the values specified. The dimensionality of the chunk should
* match the dimensionality of the dataspace.
*
* As a side effect, the layout method is changed to
* H5D_CHUNKED.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Tuesday, January 6, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_chunk(hid_t plist_id, int ndims, const hsize_t dim[/*ndims*/])
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_layout_t chunk_layout; /* Layout information for setting chunk info */
uint64_t chunk_nelmts; /* Number of elements in chunk */
unsigned u; /* Local index variable */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iIs*[a1]h", plist_id, ndims, dim);
/* Check arguments */
if(ndims <= 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "chunk dimensionality must be positive")
if(ndims > H5S_MAX_RANK)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "chunk dimensionality is too large")
if(!dim)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no chunk dimensions specified")
#ifndef H5_HAVE_C99_DESIGNATED_INITIALIZER
/* If the compiler doesn't support C99 designated initializers, check if
* the default layout structs have been initialized yet or not. *ick* -QAK
*/
if(!H5P_dcrt_def_layout_init_g)
if(H5P_init_def_layout() < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't initialize default layout info")
#endif /* H5_HAVE_C99_DESIGNATED_INITIALIZER */
/* Verify & initialize property's chunk dims */
HDmemcpy(&chunk_layout, &H5D_def_layout_chunk_g, sizeof(H5D_def_layout_chunk_g));
HDmemset(&chunk_layout.u.chunk.dim, 0, sizeof(chunk_layout.u.chunk.dim));
chunk_nelmts = 1;
for(u = 0; u < (unsigned)ndims; u++) {
if(dim[u] == 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "all chunk dimensions must be positive")
if(dim[u] != (dim[u] & 0xffffffff))
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "all chunk dimensions must be less than 2^32")
chunk_nelmts *= dim[u];
if(chunk_nelmts > (uint64_t)0xffffffff)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "number of elements in chunk must be < 4GB")
chunk_layout.u.chunk.dim[u] = (uint32_t)dim[u]; /* Store user's chunk dimensions */
} /* end for */
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Set chunk information in property list */
chunk_layout.u.chunk.ndims = (unsigned)ndims;
if(H5P_set_layout(plist, &chunk_layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set layout")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_chunk() */
/*-------------------------------------------------------------------------
* Function: H5Pget_chunk
*
* Purpose: Retrieves the chunk size of chunked layout. The chunk
* dimensionality is returned and the chunk size in each
* dimension is returned through the DIM argument. At most
* MAX_NDIMS elements of DIM will be initialized.
*
* Return: Success: Positive Chunk dimensionality.
*
* Failure: Negative
*
* Programmer: Robb Matzke
* Wednesday, January 7, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
int
H5Pget_chunk(hid_t plist_id, int max_ndims, hsize_t dim[]/*out*/)
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_layout_t layout; /* Layout information */
int ret_value; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("Is", "iIsx", plist_id, max_ndims, dim);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Retrieve the layout property */
if(H5P_get(plist, H5D_CRT_LAYOUT_NAME, &layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "can't get layout")
if(H5D_CHUNKED != layout.type)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a chunked storage layout")
if(dim) {
unsigned u; /* Local index variable */
/* Get the dimension sizes */
for(u = 0; u < layout.u.chunk.ndims && u < (unsigned)max_ndims; u++)
dim[u] = layout.u.chunk.dim[u];
} /* end if */
/* Set the return value */
ret_value = (int)layout.u.chunk.ndims;
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_chunk() */
/*-------------------------------------------------------------------------
* Function: H5Pset_external
*
* Purpose: Adds an external file to the list of external files. PLIST_ID
* should be an object ID for a dataset creation property list.
* NAME is the name of an external file, OFFSET is the location
* where the data starts in that file, and SIZE is the number of
* bytes reserved in the file for the data.
*
* If a dataset is split across multiple files then the files
* should be defined in order. The total size of the dataset is
* the sum of the SIZE arguments for all the external files. If
* the total size is larger than the size of a dataset then the
* dataset can be extended (provided the dataspace also allows
* the extending).
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
* Raymond Lu
* 7 April 2011
* Starting from the 1.8.7 release, we allow dataspace to have
* zero dimension size. So the external storage size for
* dataset can be zero.
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_external(hid_t plist_id, const char *name, off_t offset, hsize_t size)
{
size_t idx;
hsize_t total, tmp;
H5O_efl_t efl;
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE4("e", "i*soh", plist_id, name, offset, size);
/* Check arguments */
if (!name || !*name)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "no name given")
if (offset<0)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "negative external file offset")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
if(H5P_get(plist, H5D_CRT_EXT_FILE_LIST_NAME, &efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file list")
if(efl.nused > 0 && H5O_EFL_UNLIMITED==efl.slot[efl.nused-1].size)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "previous file size is unlimited")
if (H5O_EFL_UNLIMITED!=size) {
for (idx=0, total=size; idx<efl.nused; idx++, total=tmp) {
tmp = total + efl.slot[idx].size;
if (tmp <= total)
HGOTO_ERROR (H5E_EFL, H5E_OVERFLOW, FAIL, "total external data size overflowed")
} /* end for */
} /* end if */
/* Add to the list */
if(efl.nused >= efl.nalloc) {
size_t na = efl.nalloc + H5O_EFL_ALLOC;
H5O_efl_entry_t *x = (H5O_efl_entry_t *)H5MM_realloc(efl.slot, na * sizeof(H5O_efl_entry_t));
if(!x)
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
efl.nalloc = na;
efl.slot = x;
} /* end if */
idx = efl.nused;
efl.slot[idx].name_offset = 0; /*not entered into heap yet*/
efl.slot[idx].name = H5MM_xstrdup (name);
efl.slot[idx].offset = offset;
efl.slot[idx].size = size;
efl.nused++;
if(H5P_set(plist, H5D_CRT_EXT_FILE_LIST_NAME, &efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "can't set external file list")
done:
FUNC_LEAVE_API(ret_value)
}
/*-------------------------------------------------------------------------
* Function: H5Pget_external_count
*
* Purpose: Returns the number of external files for this dataset.
*
* Return: Success: Number of external files
*
* Failure: Negative
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
int
H5Pget_external_count(hid_t plist_id)
{
H5O_efl_t efl;
H5P_genplist_t *plist; /* Property list pointer */
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_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get value */
if(H5P_get(plist, H5D_CRT_EXT_FILE_LIST_NAME, &efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file list")
/* Set return value */
ret_value = (int)efl.nused;
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_external_count() */
/*-------------------------------------------------------------------------
* Function: H5Pget_external
*
* Purpose: Returns information about an external file. External files
* are numbered from zero to N-1 where N is the value returned
* by H5Pget_external_count(). At most NAME_SIZE characters are
* copied into the NAME array. If the external file name is
* longer than NAME_SIZE with the null terminator, then the
* return value is not null terminated (similar to strncpy()).
*
* If NAME_SIZE is zero or NAME is the null pointer then the
* external file name is not returned. If OFFSET or SIZE are
* null pointers then the corresponding information is not
* returned.
*
* See Also: H5Pset_external()
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and get property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_external(hid_t plist_id, unsigned idx, size_t name_size, char *name/*out*/,
off_t *offset/*out*/, hsize_t *size/*out*/)
{
H5O_efl_t efl;
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE6("e", "iIuzxxx", plist_id, idx, name_size, name, offset, size);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get value */
if(H5P_get(plist, H5D_CRT_EXT_FILE_LIST_NAME, &efl) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file list")
if(idx >= efl.nused)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "external file index is out of range")
/* Return values */
if(name_size>0 && name)
HDstrncpy(name, efl.slot[idx].name, name_size);
if(offset)
*offset = efl.slot[idx].offset;
if(size)
*size = efl.slot[idx].size;
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_external() */
/*-------------------------------------------------------------------------
* Function: H5Pset_szip
*
* Purpose: Sets the compression method for a permanent or transient
* filter pipeline (depending on whether PLIST_ID is a dataset
* creation or transfer property list) to H5Z_FILTER_SZIP
* Szip is a special compression package that is said to be good
* for scientific data.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Kent Yang
* Tuesday, April 1, 2003
*
* Modifications:
*
* Nat Furrer and James Laird
* June 30, 2004
* Now ensures that SZIP encoding is enabled
* SZIP defaults to k13 compression
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_szip(hid_t plist_id, unsigned options_mask, unsigned pixels_per_block)
{
H5O_pline_t pline;
H5P_genplist_t *plist; /* Property list pointer */
unsigned cd_values[2]; /* Filter parameters */
unsigned int config_flags;
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iIuIu", plist_id, options_mask, pixels_per_block);
if(H5Zget_filter_info(H5Z_FILTER_SZIP, &config_flags) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "can't get filter info")
if(! (config_flags & H5Z_FILTER_CONFIG_ENCODE_ENABLED))
HGOTO_ERROR(H5E_PLINE, H5E_NOENCODER, FAIL, "Filter present but encoding is disabled.")
/* Check arguments */
if ((pixels_per_block%2)==1)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "pixels_per_block is not even")
if (pixels_per_block>H5_SZIP_MAX_PIXELS_PER_BLOCK)
HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "pixels_per_block is too large")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Always set K13 compression (and un-set CHIP compression) */
options_mask &= (~H5_SZIP_CHIP_OPTION_MASK);
options_mask |= H5_SZIP_ALLOW_K13_OPTION_MASK;
/* Always set "raw" (no szip header) flag for data */
options_mask |= H5_SZIP_RAW_OPTION_MASK;
/* Mask off the LSB and MSB options, if they were given */
/* (The HDF5 library sets them internally, as needed) */
options_mask &= ~(H5_SZIP_LSB_OPTION_MASK|H5_SZIP_MSB_OPTION_MASK);
/* Set the parameters for the filter */
cd_values[0]=options_mask;
cd_values[1]=pixels_per_block;
/* Add the filter */
if(H5P_get(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
if(H5Z_append(&pline, H5Z_FILTER_SZIP, H5Z_FLAG_OPTIONAL, (size_t)2, cd_values) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add szip filter to pipeline")
if(H5P_set(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_szip() */
/*-------------------------------------------------------------------------
* Function: H5Pset_shuffle
*
* Purpose: Sets the shuffling method for a permanent
* filter to H5Z_FILTER_SHUFFLE
* and bytes of the datatype of the array to be shuffled
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Kent Yang
* Wednesday, November 13, 2002
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_shuffle(hid_t plist_id)
{
H5O_pline_t pline;
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE1("e", "i", plist_id);
/* Check arguments */
if(TRUE != H5P_isa_class(plist_id, H5P_DATASET_CREATE))
HGOTO_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
/* Get the plist structure */
if(NULL == (plist = (H5P_genplist_t *)H5I_object(plist_id)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Add the filter */
if(H5P_get(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
if(H5Z_append(&pline, H5Z_FILTER_SHUFFLE, H5Z_FLAG_OPTIONAL, (size_t)0, NULL) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to shuffle the data")
if(H5P_set(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_shuffle() */
/*-------------------------------------------------------------------------
* Function: H5Pset_nbit
*
* Purpose: Sets nbit filter for a dataset creation property list
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Xiaowen Wu
* Wednesday, December 22, 2004
*
* Modifications:
*
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_nbit(hid_t plist_id)
{
H5O_pline_t pline;
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE1("e", "i", plist_id);
/* Check arguments */
if(TRUE != H5P_isa_class(plist_id, H5P_DATASET_CREATE))
HGOTO_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
/* Get the plist structure */
if(NULL == (plist = (H5P_genplist_t *)H5I_object(plist_id)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Add the nbit filter */
if(H5P_get(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
if(H5Z_append(&pline, H5Z_FILTER_NBIT, H5Z_FLAG_OPTIONAL, (size_t)0, NULL) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add nbit filter to pipeline")
if(H5P_set(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_nbit() */
/*-------------------------------------------------------------------------
* Function: H5Pset_scaleoffset
*
* Purpose: Sets scaleoffset filter for a dataset creation property list
* and user-supplied parameters
*
* Parameters: scale_factor:
for integer datatype,
this parameter will be
minimum-bits, if this value is set to 0,
scaleoffset filter will calculate the minimum-bits.
For floating-point datatype,
For variable-minimum-bits method, this will be
the decimal precision of the filter,
For fixed-minimum-bits method, this will be
the minimum-bit of the filter.
scale_type: 0 for floating-point variable-minimum-bits,
1 for floating-point fixed-minimum-bits,
other values, for integer datatype
* Return: Non-negative on success/Negative on failure
*
* Programmer: Xiaowen Wu
* Thursday, April 14, 2005
*
* Modifications:
*
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_scaleoffset(hid_t plist_id, H5Z_SO_scale_type_t scale_type, int scale_factor)
{
H5O_pline_t pline;
H5P_genplist_t *plist; /* Property list pointer */
unsigned cd_values[2]; /* Filter parameters */
herr_t ret_value=SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iZaIs", plist_id, scale_type, scale_factor);
/* Check arguments */
if(TRUE != H5P_isa_class(plist_id, H5P_DATASET_CREATE))
HGOTO_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list")
if(scale_factor < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "scale factor must be >= 0")
if(scale_type!=H5Z_SO_FLOAT_DSCALE && scale_type!=H5Z_SO_FLOAT_ESCALE && scale_type!=H5Z_SO_INT)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid scale type")
/* Get the plist structure */
if(NULL == (plist = (H5P_genplist_t *)H5I_object(plist_id)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Set parameters for the filter
* scale_type = 0: floating-point type, filter uses variable-minimum-bits method,
* scale_factor is decimal scale factor
* scale_type = 1: floating-point type, filter uses fixed-minimum-bits method,
* scale_factor is the fixed minimum number of bits
* scale type = other: integer type, scale_factor is minimum number of bits
* if scale_factor = 0, then filter calculates minimum number of bits
*/
cd_values[0] = scale_type;
cd_values[1] = (unsigned)scale_factor;
/* Add the scaleoffset filter */
if(H5P_get(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline")
if(H5Z_append(&pline, H5Z_FILTER_SCALEOFFSET, H5Z_FLAG_OPTIONAL, (size_t)2, cd_values) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add scaleoffset filter to pipeline")
if(H5P_set(plist, H5O_CRT_PIPELINE_NAME, &pline) < 0)
HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_scaleoffset() */
/*-------------------------------------------------------------------------
* Function: H5Pset_fill_value
*
* Purpose: Set the fill value for a dataset creation property list. The
* VALUE is interpretted as being of type TYPE, which need not
* be the same type as the dataset but the library must be able
* to convert VALUE to the dataset type when the dataset is
* created. If VALUE is NULL, it will be interpreted as
* undefining fill value.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Thursday, October 1, 1998
*
* Modifications:
*
* Raymond Lu
* Tuesday, October 2, 2001
* Changed the way to check parameter and set property for
* generic property list.
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_fill_value(hid_t plist_id, hid_t type_id, const void *value)
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_fill_t fill; /* Fill value to modify */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "ii*x", plist_id, type_id, value);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the current fill value */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Release the dynamic fill value components */
H5O_fill_reset_dyn(&fill);
if(value) {
H5T_t *type; /* Datatype for fill value */
H5T_path_t *tpath; /* Conversion information */
/* Retrieve pointer to datatype */
if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
/* Set the fill value */
if(NULL == (fill.type = H5T_copy(type, H5T_COPY_TRANSIENT)))
HGOTO_ERROR(H5E_PLIST, H5E_CANTCOPY, FAIL, "can't copy datatype")
fill.size = (ssize_t)H5T_get_size(type);
if(NULL == (fill.buf = H5MM_malloc((size_t)fill.size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "memory allocation failed for fill value")
HDmemcpy(fill.buf, value, (size_t)fill.size);
/* Set up type conversion function */
if(NULL == (tpath = H5T_path_find(type, type, NULL, NULL, H5AC_ind_dxpl_id, FALSE)))
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest data types")
/* If necessary, convert fill value datatypes (which copies VL components, etc.) */
if(!H5T_path_noop(tpath)) {
uint8_t *bkg_buf = NULL; /* Background conversion buffer */
/* Allocate a background buffer */
if(H5T_path_bkg(tpath) && NULL == (bkg_buf = H5FL_BLK_CALLOC(type_conv, (size_t)fill.size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
/* Convert the fill value */
if(H5T_convert(tpath, type_id, type_id, (size_t)1, (size_t)0, (size_t)0, fill.buf, bkg_buf, H5AC_ind_dxpl_id) < 0) {
if(bkg_buf)
bkg_buf = H5FL_BLK_FREE(type_conv, bkg_buf);
HGOTO_ERROR(H5E_DATASET, H5E_CANTCONVERT, FAIL, "datatype conversion failed")
} /* end if */
/* Release the background buffer */
if(bkg_buf)
bkg_buf = H5FL_BLK_FREE(type_conv, bkg_buf);
} /* end if */
} /* end if */
else
fill.size = (-1);
/* Update fill value in property list */
if(H5P_set(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't set fill value")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_fill_value() */
/*-------------------------------------------------------------------------
* Function: H5P_get_fill_value
*
* Purpose: Queries the fill value property of a dataset creation
* property list. The fill value is returned through the VALUE
* pointer and the memory is allocated by the caller. The fill
* value will be converted from its current datatype to the
* specified TYPE.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Wednesday, October 17, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_get_fill_value(H5P_genplist_t *plist, const H5T_t *type, void *value/*out*/,
hid_t dxpl_id)
{
H5O_fill_t fill; /* Fill value to retrieve */
H5T_path_t *tpath; /*type conversion info */
void *buf = NULL; /*conversion buffer */
void *bkg = NULL; /*conversion buffer */
hid_t src_id = -1; /*source datatype id */
hid_t dst_id = -1; /*destination datatype id */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/*
* If no fill value is defined then return an error. We can't even
* return zero because we don't know the datatype of the dataset and
* datatype conversion might not have resulted in zero. If fill value
* is undefined, also return error.
*/
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
if(fill.size == -1)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "fill value is undefined")
/* Check for "default" fill value */
if(fill.size == 0) {
HDmemset(value, 0, H5T_get_size(type));
HGOTO_DONE(SUCCEED);
} /* end if */
/*
* Can we convert between the source and destination datatypes?
*/
if(NULL == (tpath = H5T_path_find(fill.type, type, NULL, NULL, dxpl_id, FALSE)))
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to convert between src and dst datatypes")
if((src_id = H5I_register(H5I_DATATYPE, H5T_copy(fill.type, H5T_COPY_TRANSIENT), FALSE)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy/register datatype")
/*
* Data type conversions are always done in place, so we need a buffer
* other than the fill value buffer that is large enough for both source
* and destination. The app-supplied buffer might do okay.
*/
if(H5T_get_size(type) >= H5T_get_size(fill.type)) {
buf = value;
if(H5T_path_bkg(tpath) && NULL == (bkg = H5MM_malloc(H5T_get_size(type))))
HGOTO_ERROR(H5E_PLIST, H5E_CANTALLOC, FAIL, "memory allocation failed for type conversion")
} /* end if */
else {
if(NULL == (buf = H5MM_malloc(H5T_get_size(fill.type))))
HGOTO_ERROR(H5E_PLIST, H5E_CANTALLOC, FAIL, "memory allocation failed for type conversion")
if(H5T_path_bkg(tpath))
bkg = value;
} /* end else */
HDmemcpy(buf, fill.buf, H5T_get_size(fill.type));
/* Do the conversion */
if((dst_id = H5I_register(H5I_DATATYPE, H5T_copy(type, H5T_COPY_TRANSIENT), FALSE)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy/register datatype")
if(H5T_convert(tpath, src_id, dst_id, (size_t)1, (size_t)0, (size_t)0, buf, bkg, dxpl_id) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "datatype conversion failed")
if(buf != value)
HDmemcpy(value, buf, H5T_get_size(type));
done:
if(buf != value)
H5MM_xfree(buf);
if(bkg != value)
H5MM_xfree(bkg);
if(src_id >= 0 && H5I_dec_ref(src_id) < 0)
HDONE_ERROR(H5E_PLIST, H5E_CANTDEC, FAIL, "can't decrement ref count of temp ID")
if(dst_id >= 0 && H5I_dec_ref(dst_id) < 0)
HDONE_ERROR(H5E_PLIST, H5E_CANTDEC, FAIL, "can't decrement ref count of temp ID")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_get_fill_value() */
/*-------------------------------------------------------------------------
* Function: H5Pget_fill_value
*
* Purpose: Queries the fill value property of a dataset creation
* property list. The fill value is returned through the VALUE
* pointer and the memory is allocated by the caller. The fill
* value will be converted from its current datatype to the
* specified TYPE.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* Thursday, October 1, 1998
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_fill_value(hid_t plist_id, hid_t type_id, void *value/*out*/)
{
H5P_genplist_t *plist; /* Property list pointer */
H5T_t *type; /* Datatype */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(FAIL)
H5TRACE3("e", "iix", plist_id, type_id, value);
/* Check arguments */
if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
if(!value)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL,"no fill value output buffer")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the fill value */
if(H5P_get_fill_value(plist, type, value, H5AC_ind_dxpl_id) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_fill_value() */
/*-------------------------------------------------------------------------
* Function: H5P_is_fill_value_defined
*
* Purpose: Check if fill value is defined. Internal version of function
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_is_fill_value_defined(const H5O_fill_t *fill, H5D_fill_value_t *status)
{
herr_t ret_value = SUCCEED;
FUNC_ENTER_NOAPI(FAIL)
HDassert(fill);
HDassert(status);
/* Check if the fill value was "unset" */
if(fill->size == -1 && !fill->buf)
*status = H5D_FILL_VALUE_UNDEFINED;
/* Check if the fill value was set to the default fill value by the library */
else if(fill->size == 0 && !fill->buf)
*status = H5D_FILL_VALUE_DEFAULT;
/* Check if the fill value was set by the application */
else if(fill->size > 0 && fill->buf)
*status = H5D_FILL_VALUE_USER_DEFINED;
else {
*status = H5D_FILL_VALUE_ERROR;
HGOTO_ERROR(H5E_PLIST, H5E_BADRANGE, FAIL, "invalid combination of fill-value info")
} /* end else */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_is_fill_value_defined() */
/*-------------------------------------------------------------------------
* Function: H5P_fill_value_defined
*
* Purpose: Check if fill value is defined.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Wednesday, October 17, 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5P_fill_value_defined(H5P_genplist_t *plist, H5D_fill_value_t *status)
{
H5O_fill_t fill; /* Fill value to query */
herr_t ret_value = SUCCEED;
FUNC_ENTER_NOAPI(FAIL)
HDassert(status);
/* Get the fill value struct */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Get the fill-value status */
if(H5P_is_fill_value_defined(&fill, status) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "can't check fill value status")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_fill_value_defined() */
/*-------------------------------------------------------------------------
* Function: H5Pfill_value_defined
*
* Purpose: Check if fill value is defined.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pfill_value_defined(hid_t plist_id, H5D_fill_value_t *status)
{
H5P_genplist_t *plist; /* Property list to query */
herr_t ret_value = SUCCEED;
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "i*DF", plist_id, status);
HDassert(status);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get the fill-value status */
if(H5P_fill_value_defined(plist, status) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "can't check fill value status")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pfill_value_defined() */
/*-------------------------------------------------------------------------
* Function: H5Pset_alloc_time
*
* Purpose: Set space allocation time for dataset during creation.
* Valid values are H5D_ALLOC_TIME_DEFAULT, H5D_ALLOC_TIME_EARLY,
* H5D_ALLOC_TIME_LATE, H5D_ALLOC_TIME_INCR
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
* Modifications:
*
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_alloc_time(hid_t plist_id, H5D_alloc_time_t alloc_time)
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_fill_t fill; /* Fill value property to modify */
unsigned alloc_time_state; /* State of allocation time property */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iDa", plist_id, alloc_time);
/* Check arguments */
if(alloc_time < H5D_ALLOC_TIME_DEFAULT || alloc_time > H5D_ALLOC_TIME_INCR)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid allocation time setting")
/* Get the property list structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Check for resetting to default for layout type */
if(alloc_time == H5D_ALLOC_TIME_DEFAULT) {
H5O_layout_t layout; /* Type of storage layout */
/* Retrieve the storage layout */
if(H5P_get(plist, H5D_CRT_LAYOUT_NAME, &layout) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get layout")
/* Set the default based on layout */
switch(layout.type) {
case H5D_COMPACT:
alloc_time = H5D_ALLOC_TIME_EARLY;
break;
case H5D_CONTIGUOUS:
alloc_time = H5D_ALLOC_TIME_LATE;
break;
case H5D_CHUNKED:
alloc_time = H5D_ALLOC_TIME_INCR;
break;
default:
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown layout type")
} /* end switch */
/* Reset the "state" of the allocation time property back to the "default" */
alloc_time_state = 1;
} /* end if */
else
/* Set the "state" of the allocation time property to indicate the user modified it */
alloc_time_state = 0;
/* Retrieve previous fill value settings */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Update property value */
fill.alloc_time = alloc_time;
/* Set values */
if(H5P_set(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set fill value")
if(H5P_set(plist, H5D_CRT_ALLOC_TIME_STATE_NAME, &alloc_time_state) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set space allocation time")
done:
FUNC_LEAVE_API(ret_value)
} /* H5Pset_alloc_time() */
/*-------------------------------------------------------------------------
* Function: H5Pget_alloc_time
*
* Purpose: Get space allocation time for dataset creation.
* Valid values are H5D_ALLOC_TIME_DEFAULT, H5D_ALLOC_TIME_EARLY,
* H5D_ALLOC_TIME_LATE, H5D_ALLOC_TIME_INCR
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_alloc_time(hid_t plist_id, H5D_alloc_time_t *alloc_time/*out*/)
{
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "ix", plist_id, alloc_time);
/* Get values */
if(alloc_time) {
H5P_genplist_t *plist; /* Property list pointer */
H5O_fill_t fill; /* Fill value property to query */
/* Get the property list structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Retrieve fill value settings */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Set user's value */
*alloc_time = fill.alloc_time;
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_alloc_time() */
/*-------------------------------------------------------------------------
* Function: H5Pset_fill_time
*
* Purpose: Set fill value writing time for dataset. Valid values are
* H5D_FILL_TIME_ALLOC and H5D_FILL_TIME_NEVER.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_fill_time(hid_t plist_id, H5D_fill_time_t fill_time)
{
H5P_genplist_t *plist; /* Property list pointer */
H5O_fill_t fill; /* Fill value property to modify */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iDf", plist_id, fill_time);
/* Check arguments */
if(fill_time < H5D_FILL_TIME_ALLOC || fill_time > H5D_FILL_TIME_IFSET)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid fill time setting")
/* Get the property list structure */
if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Retrieve previous fill value settings */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Update property value */
fill.fill_time = fill_time;
/* Set values */
if(H5P_set(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set fill value")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_fill_time() */
/*-------------------------------------------------------------------------
* Function: H5Pget_fill_time
*
* Purpose: Get fill value writing time. Valid values are H5D_NEVER
* and H5D_ALLOC.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Raymond Lu
* Wednesday, January 16, 2002
*
* Modifications:
*
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_fill_time(hid_t plist_id, H5D_fill_time_t *fill_time/*out*/)
{
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "ix", plist_id, fill_time);
/* Set values */
if(fill_time) {
H5P_genplist_t *plist; /* Property list pointer */
H5O_fill_t fill; /* Fill value property to query */
/* Get the property list structure */
if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Retrieve fill value settings */
if(H5P_get(plist, H5D_CRT_FILL_VALUE_NAME, &fill) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fill value")
/* Set user's value */
*fill_time = fill.fill_time;
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_fill_time() */
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