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245 lines
9.0 KiB
245 lines
9.0 KiB
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* File/dataset generator for VDS use case 2
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*
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* See the header file for a description.
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*/
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#include <stdlib.h>
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#include "hdf5.h"
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#include "UC_common.h"
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#include "UC_2.h"
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static hsize_t UC_2_VDS_DIMS[RANK] = {0, UC_2_FULL_HEIGHT, UC_2_FULL_WIDTH};
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static hsize_t UC_2_VDS_MAX_DIMS[RANK] = {UC_2_N_MAX_PLANES, UC_2_FULL_HEIGHT, UC_2_FULL_WIDTH};
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/* Positions of source datasets in the VDS */
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static hsize_t UC_2_POSITIONS[UC_2_N_SOURCES][RANK] = {
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/* A */ {0, 0, 0},
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/* B */ {0, UC_2_A_HEIGHT, 0},
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/* C */ {0, UC_2_AB_HEIGHT, 0},
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/* D */ {0, 0, UC_2_WIDTH},
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/* E */ {0, UC_2_D_HEIGHT, UC_2_WIDTH}};
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/* Planes */
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static hsize_t UC_2_PLANES[UC_2_N_SOURCES][RANK] = {{1, UC_2_A_HEIGHT, UC_2_WIDTH},
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{1, UC_2_B_HEIGHT, UC_2_WIDTH},
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{1, UC_2_C_HEIGHT, UC_2_WIDTH},
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{1, UC_2_D_HEIGHT, UC_2_WIDTH},
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{1, UC_2_E_HEIGHT, UC_2_WIDTH}};
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/* Chunk dimensions */
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static hsize_t UC_2_CHUNK_DIMS[UC_2_N_SOURCES][RANK] = {{UC_2_N_PLANES_IN_SERIES, UC_2_A_HEIGHT, UC_2_WIDTH},
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{UC_2_N_PLANES_IN_SERIES, UC_2_B_HEIGHT, UC_2_WIDTH},
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{UC_2_N_PLANES_IN_SERIES, UC_2_C_HEIGHT, UC_2_WIDTH},
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{UC_2_N_PLANES_IN_SERIES, UC_2_D_HEIGHT, UC_2_WIDTH},
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{UC_2_N_PLANES_IN_SERIES, UC_2_E_HEIGHT, UC_2_WIDTH}};
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/* Fill values */
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static int UC_2_FILL_VALUES[UC_2_N_SOURCES] = {-1, -2, -3, -4, -5};
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static int UC_2_VDS_FILL_VALUE = -9;
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int
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main(void)
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{
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hid_t src_sid = H5I_INVALID_HID; /* source dataset's dataspace ID */
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hid_t src_dcplid = H5I_INVALID_HID; /* source dataset property list ID */
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hid_t vds_sid = H5I_INVALID_HID; /* VDS dataspace ID */
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hid_t vds_dcplid = H5I_INVALID_HID; /* VDS dataset property list ID */
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hid_t fid = H5I_INVALID_HID; /* HDF5 file ID */
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hid_t did = H5I_INVALID_HID; /* dataset ID */
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hid_t msid = H5I_INVALID_HID; /* memory dataspace ID */
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hid_t fsid = H5I_INVALID_HID; /* file dataspace ID */
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hsize_t start[RANK]; /* starting point for hyperslab */
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hsize_t extent[RANK]; /* dataset extents */
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int *buffer = NULL; /* data buffer */
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int value = -1; /* value written to datasets */
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hsize_t count = 0; /* number of elements in a plane */
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int n_planes = -1; /* number of planes to write */
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int i; /* iterator */
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int j; /* iterator */
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hsize_t k; /* iterator */
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/* Start by creating the virtual dataset (VDS) dataspace and creation
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* property list. The individual source datasets are then created
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* and the VDS map (stored in the VDS property list) is updated.
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*/
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/* Create VDS dcpl */
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if ((vds_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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UC_ERROR
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if (H5Pset_fill_value(vds_dcplid, UC_2_VDS_DATATYPE, &UC_2_VDS_FILL_VALUE) < 0)
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UC_ERROR
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/* Create VDS dataspace */
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if ((vds_sid = H5Screate_simple(RANK, UC_2_VDS_DIMS, UC_2_VDS_MAX_DIMS)) < 0)
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UC_ERROR
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/************************************
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* Create source files and datasets *
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************************************/
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start[0] = 0;
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start[1] = 0;
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start[2] = 0;
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for (i = 0; i < UC_2_N_SOURCES; i++) {
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/* source dataset dcpl */
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if ((src_dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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UC_ERROR
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if (H5Pset_chunk(src_dcplid, RANK, UC_2_CHUNK_DIMS[i]) < 0)
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UC_ERROR
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if (H5Pset_fill_value(src_dcplid, UC_2_SOURCE_DATATYPE, &UC_2_FILL_VALUES[i]) < 0)
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UC_ERROR
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if (H5Pset_deflate(src_dcplid, COMPRESSION_LEVEL) < 0)
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UC_ERROR
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/* Create source file, dataspace, and dataset */
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if ((fid = H5Fcreate(UC_2_FILE_NAMES[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
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UC_ERROR
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if ((src_sid = H5Screate_simple(RANK, UC_2_DIMS[i], UC_2_MAX_DIMS[i])) < 0)
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UC_ERROR
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if ((did = H5Dcreate2(fid, UC_2_SOURCE_DSET_NAME, UC_2_SOURCE_DATATYPE, src_sid, H5P_DEFAULT,
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src_dcplid, H5P_DEFAULT)) < 0)
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UC_ERROR
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/* Set the dataset's extent (will eventually vary with i) */
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extent[0] = UC_2_N_TEST_PLANES;
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extent[1] = UC_2_PLANES[i][1];
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extent[2] = UC_2_PLANES[i][2];
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if (H5Dset_extent(did, extent) < 0)
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UC_ERROR
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/* Create a data buffer that represents a plane */
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count = UC_2_PLANES[i][1] * UC_2_PLANES[i][2];
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if (NULL == (buffer = (int *)malloc(count * sizeof(int))))
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UC_ERROR
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/* Create the memory dataspace */
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if ((msid = H5Screate_simple(RANK, UC_2_PLANES[i], NULL)) < 0)
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UC_ERROR
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/* Get the file dataspace */
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if ((fsid = H5Dget_space(did)) < 0)
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UC_ERROR
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/* Write planes to the dataset, number will eventually vary with i */
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n_planes = UC_2_N_TEST_PLANES;
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for (j = 0; j < n_planes; j++) {
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value = ((i + 1) * 10) + j;
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for (k = 0; k < count; k++)
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buffer[k] = value;
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start[0] = (hsize_t)j;
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start[1] = 0;
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start[2] = 0;
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if (H5Sselect_hyperslab(fsid, H5S_SELECT_SET, start, NULL, UC_2_PLANES[i], NULL) < 0)
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UC_ERROR
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if (H5Dwrite(did, H5T_NATIVE_INT, msid, fsid, H5P_DEFAULT, buffer) < 0)
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UC_ERROR
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} /* end for */
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/* set up hyperslabs for source and destination datasets */
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start[0] = 0;
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start[1] = 0;
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start[2] = 0;
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if (H5Sselect_hyperslab(src_sid, H5S_SELECT_SET, start, NULL, UC_2_MAX_DIMS[i], NULL) < 0)
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UC_ERROR
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if (H5Sselect_hyperslab(vds_sid, H5S_SELECT_SET, UC_2_POSITIONS[i], NULL, UC_2_MAX_DIMS[i], NULL) < 0)
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UC_ERROR
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/* Add VDS mapping */
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if (H5Pset_virtual(vds_dcplid, vds_sid, UC_2_FILE_NAMES[i], UC_2_SOURCE_DSET_PATH, src_sid) < 0)
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UC_ERROR
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/* close */
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if (H5Sclose(msid) < 0)
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UC_ERROR
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if (H5Sclose(fsid) < 0)
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UC_ERROR
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if (H5Sclose(src_sid) < 0)
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UC_ERROR
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if (H5Pclose(src_dcplid) < 0)
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UC_ERROR
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if (H5Dclose(did) < 0)
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UC_ERROR
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if (H5Fclose(fid) < 0)
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UC_ERROR
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free(buffer);
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} /* end for */
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/*******************************
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* Create VDS file and dataset *
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*******************************/
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/* file */
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if ((fid = H5Fcreate(UC_2_VDS_FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
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UC_ERROR
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/* dataset */
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if ((did = H5Dcreate2(fid, UC_2_VDS_DSET_NAME, UC_2_VDS_DATATYPE, vds_sid, H5P_DEFAULT, vds_dcplid,
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H5P_DEFAULT)) < 0)
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UC_ERROR
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/* close */
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if (H5Pclose(vds_dcplid) < 0)
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UC_ERROR
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if (H5Sclose(vds_sid) < 0)
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UC_ERROR
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if (H5Dclose(did) < 0)
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UC_ERROR
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if (H5Fclose(fid) < 0)
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UC_ERROR
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return EXIT_SUCCESS;
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error:
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H5E_BEGIN_TRY
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{
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if (src_sid >= 0)
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(void)H5Sclose(src_sid);
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if (src_dcplid >= 0)
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(void)H5Pclose(src_dcplid);
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if (vds_sid >= 0)
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(void)H5Sclose(vds_sid);
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if (vds_dcplid >= 0)
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(void)H5Pclose(vds_dcplid);
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if (fid >= 0)
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(void)H5Fclose(fid);
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if (did >= 0)
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(void)H5Dclose(did);
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if (msid >= 0)
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(void)H5Sclose(msid);
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if (fsid >= 0)
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(void)H5Sclose(fsid);
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if (buffer != NULL)
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free(buffer);
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}
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H5E_END_TRY
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return EXIT_FAILURE;
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} /* end main() */
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