mirror of
https://github.com/Unidata/netcdf-c.git
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c34a4e674b
by an HDF5 configure option, not a netCDF-4 configure option. - Fixed bug in HDF5 strings test code. - Minor fixes to nccopy man page documentation. - Minor fixes to Fortran-90 texinfo docs, since we don't have doxygen docs for Fortran yet: just using "Fortran" instead of "fortran" or "FORTRAN".
341 lines
11 KiB
C
341 lines
11 KiB
C
/* This is part of the netCDF package. Copyright 2005 University
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Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
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conditions of use.
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This program does HDF5 string stuff.
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Here's a HDF5 sample programs:
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http://hdf.ncsa.uiuc.edu/training/other-ex5/sample-programs/strings.c
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*/
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#include <string.h>
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#include "h5_err_macros.h"
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#include <hdf5.h>
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#define FILE_NAME "tst_h_strings.h5"
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#define DIM1_LEN 3
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#define ATT_NAME "Stooge_Statements"
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#define GRP_NAME "Stooge_Antic_Metrics"
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int
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main()
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{
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printf("\n*** Checking HDF5 string types.\n");
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printf("*** Checking scalar string attribute...");
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{
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hid_t fileid, grpid, spaceid, typeid, attid;
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hid_t class;
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size_t type_size;
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htri_t is_str;
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const char *data = "The art of war is of vital "
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"importance to the State. It is a matter of life and death, a road either"
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"to safety or to ruin. Hence it is a subject of inquiry"
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"which can on no account be neglected.";
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char *data_in = NULL;
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/* Open file. */
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if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
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H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
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/* Create string type. */
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if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR;
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if (H5Tset_size(typeid, H5T_VARIABLE) < 0) ERR;
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/* Write an attribute of this type. */
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if ((spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
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if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
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H5P_DEFAULT)) < 0) ERR;
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if (H5Awrite(attid, typeid, &data) < 0) ERR;
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/* Close up. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Sclose(spaceid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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/* Now reopen the file and check it out. */
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if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
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if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
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if ((typeid = H5Aget_type(attid)) < 0) ERR;
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if ((spaceid = H5Aget_space(attid)) < 0) ERR;
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/* Given this type id, how would we know this is a string
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* attribute? */
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if ((class = H5Tget_class(typeid)) < 0) ERR;
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if (class != H5T_STRING) ERR;
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if (!(type_size = H5Tget_size(typeid))) ERR;
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if (type_size != sizeof(char *)) ERR;
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if ((is_str = H5Tis_variable_str(typeid)) < 0) ERR;
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if (!is_str) ERR;
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/* Make sure this is a scalar. */
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if (H5Sget_simple_extent_type(spaceid) != H5S_SCALAR) ERR;
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/* Read the attribute. */
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if (H5Aread(attid, typeid, &data_in) < 0) ERR;
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/* Check the data. */
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if (strcmp(data, data_in)) ERR;
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/* Free the memory returned by H5Aread */
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free(data_in);
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/* Close HDF5 stuff. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Sclose(spaceid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** Checking simple HDF5 string types...");
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{
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hid_t fileid, grpid, spaceid, typeid, attid;
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hsize_t dims[1] = {DIM1_LEN};
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/* size_t type_size;
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htri_t is_str;*/
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hid_t class;
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char *data[DIM1_LEN] = {"Ohhh!", "Ahhh!", "Wub-wub-wub!"};
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char **data_in;
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int i;
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/* Open file. */
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if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
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H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
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/* Create string type. */
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if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR;
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if (H5Tset_size(typeid, H5T_VARIABLE) < 0) ERR;
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/* I thought the following should work instead of the H5Tcopy and
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* H5Tset_size functions above, but it doesn't. */
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/*if ((typeid = H5Tvlen_create(H5T_NATIVE_CHAR)) < 0) ERR;*/
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/* Write an attribute of this (string) type. */
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if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
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if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
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H5P_DEFAULT)) < 0) ERR;
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if (H5Awrite(attid, typeid, data) < 0) ERR;
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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/* Now reopen the file and check it out. */
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if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
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if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
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if ((typeid = H5Aget_type(attid)) < 0) ERR;
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/* Given this type id, how would we know this is a string
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* attribute? */
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if ((class = H5Tget_class(typeid)) < 0) ERR;
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if (class != H5T_STRING) ERR;
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/* if (!(type_size = H5Tget_size(typeid))) ERR;
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if ((is_str = H5Tis_variable_str(typeid)) < 0) ERR;*/
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/* How many strings are in the string array? */
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if ((spaceid = H5Aget_space(attid)) < 0) ERR;
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if (H5Sget_simple_extent_dims(spaceid, dims, NULL) < 0) ERR;
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if (!(data_in = malloc(dims[0] * sizeof(char *)))) ERR;
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/* Now read the array of strings. The HDF5 library will allocate
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* space for each string. */
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if (H5Aread(attid, typeid, data_in) < 0) ERR;
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/* Compare the values to make sure it worked... */
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for (i = 0; i < DIM1_LEN; i++)
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if (strcmp(data[i], data_in[i])) ERR;
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/* Free the memory that HDF5 allocated. */
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for (i = 0; i < DIM1_LEN; i++)
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free(data_in[i]);
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/* Free the memory that we allocated. */
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free(data_in);
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/* Close everything up. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** Checking G&S compliance...");
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{
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#define S1 "When Frederick was a little lad"
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#define S2 "He proved so brave and daring..."
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char **data;
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char **data_in;
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hsize_t dims_in[1], dims[1] = {2};
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hid_t fileid, grpid, spaceid, typeid, attid;
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hid_t class;
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int i;
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/* Allocate space and copy strings. */
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data = malloc(sizeof(char *) * 2);
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data[0] = malloc(strlen(S1) + 1);
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strcpy(data[0], S1);
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data[1] = malloc(strlen(S2) + 1);
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strcpy(data[1], S2);
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/* Open file. */
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if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
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H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
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/* Create string type. */
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if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR;
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if (H5Tset_size(typeid, H5T_VARIABLE) < 0) ERR;
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/* I thought the following should work instead of the H5Tcopy and
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* H5Tset_size functions above, but it doesn't. */
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/*if ((typeid = H5Tvlen_create(H5T_NATIVE_CHAR)) < 0) ERR;*/
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/* Write an attribute of this type. */
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if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
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if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
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H5P_DEFAULT)) < 0) ERR;
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if (H5Awrite(attid, typeid, data) < 0) ERR;
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/* Close up. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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/* Now reopen the file and check it out. */
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if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
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if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
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if ((typeid = H5Aget_type(attid)) < 0) ERR;
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/* Given this type id, how would we know this is a string
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* attribute? */
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if ((class = H5Tget_class(typeid)) < 0) ERR;
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if (class != H5T_STRING) ERR;
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/* How many strings are in the array? */
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if (H5Sget_simple_extent_dims(spaceid, dims_in, NULL) != 1) ERR;
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if (dims_in[0] != dims[0]) ERR;
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/* Allocate enough pointers to read the data. The HDF5 library
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* will allocate the space needed for each string. */
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if (!(data_in = malloc(dims_in[0] * sizeof(char *)))) ERR;
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/* Read the data. */
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if (H5Aread(attid, typeid, data_in) < 0) ERR;
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/* Check the data. */
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for (i = 0; i < 2; i++)
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if (strcmp(data[i], data_in[i])) ERR;
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/* Free our memory. */
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for (i = 0; i < 2; i++)
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free(data_in[i]);
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free(data_in);
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free(data[0]);
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free(data[1]);
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free(data);
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/* Close HDF5 stuff. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** Checking empty strings...");
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{
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char **data;
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char **data_in;
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hsize_t dims_in[1], dims[1] = {2};
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hid_t fileid, grpid, spaceid, typeid, attid;
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hid_t class;
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int i;
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/* Allocate space and copy strings. */
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data = malloc(sizeof(char *) * 2);
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data[0] = malloc(strlen(S1) + 1);
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strcpy(data[0], "");
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data[1] = malloc(strlen(S2) + 1);
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strcpy(data[1], "");
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/* Open file. */
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if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
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H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
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/* Create string type. */
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if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR;
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if (H5Tset_size(typeid, H5T_VARIABLE) < 0) ERR;
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/* I thought the following should work instead of the H5Tcopy and
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* H5Tset_size functions above, but it doesn't. */
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/*if ((typeid = H5Tvlen_create(H5T_NATIVE_CHAR)) < 0) ERR;*/
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/* Write an attribute of this type. */
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if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
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if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
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H5P_DEFAULT)) < 0) ERR;
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if (H5Awrite(attid, typeid, data) < 0) ERR;
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/* Close up. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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/* Now reopen the file and check it out. */
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if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
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if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
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if ((typeid = H5Aget_type(attid)) < 0) ERR;
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/* Given this type id, how would we know this is a string
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* attribute? */
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if ((class = H5Tget_class(typeid)) < 0) ERR;
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if (class != H5T_STRING) ERR;
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/* How many strings are in the array? */
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if (H5Sget_simple_extent_dims(spaceid, dims_in, NULL) != 1) ERR;
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if (dims_in[0] != dims[0]) ERR;
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/* Allocate enough pointers to read the data. The HDF5 library
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* will allocate the space needed for each string. */
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if (!(data_in = malloc(dims_in[0] * sizeof(char *)))) ERR;
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/* Read the data. */
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if (H5Aread(attid, typeid, data_in) < 0) ERR;
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/* Check the data. */
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for (i = 0; i < 2; i++)
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if (strcmp(data[i], data_in[i])) ERR;
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/* Free our memory. */
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for (i = 0; i < 2; i++)
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free(data_in[i]);
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free(data_in);
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free(data[0]);
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free(data[1]);
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free(data);
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/* Close HDF5 stuff. */
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if (H5Aclose(attid) < 0) ERR;
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if (H5Tclose(typeid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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