/* This is part of the netCDF package. Copyright 2018 University Corporation for Atmospheric Research/Unidata See COPYRIGHT file for conditions of use. Test that HDF5 and NetCDF-4 can read and write the same file. $Id: tst_interops.c,v 1.24 2010/06/01 15:34:52 ed Exp $ */ #include #include #include "err_macros.h" #include #include #define FILE_NAME "tst_interops6.h5" int main(int argc, char **argv) { printf("\n*** Testing HDF5/NetCDF-4 interoperability yet again...\n"); printf("*** Checking scalar string attribute..."); { #define ATT_NAME "Stooge_Statements" hid_t fcpl_id, fileid, grpid, spaceid, typeid, attid; hid_t class; size_t type_size; htri_t is_str; char *data_in; char *data = "The art of war is of vital " "importance to the State. It is a matter of life and death, a road either" "to safety or to ruin. Hence it is a subject of inquiry" "which can on no account be neglected."; /* Create create property list. */ if ((fcpl_id = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR; /* Set H5P_CRT_ORDER_TRACKED in the creation property list. This * turns on HDF5 creation ordering in the file. */ if (H5Pset_link_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED)) < 0) ERR; if (H5Pset_attr_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED)) < 0) ERR; /* Open file. */ if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, H5P_DEFAULT)) < 0) ERR; if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR; /* Create string type. */ if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR; if (H5Tset_size(typeid, H5T_VARIABLE) < 0) ERR; /* Write an attribute of this type. */ if ((spaceid = H5Screate(H5S_SCALAR)) < 0) ERR; if ((attid = H5Acreate1(grpid, ATT_NAME, typeid, spaceid, H5P_DEFAULT)) < 0) ERR; if (H5Awrite(attid, typeid, &data) < 0) ERR; /* Close up. */ if (H5Aclose(attid) < 0) ERR; if (H5Tclose(typeid) < 0) ERR; if (H5Sclose(spaceid) < 0) ERR; if (H5Gclose(grpid) < 0) ERR; if (H5Fclose(fileid) < 0) ERR; if (H5Pclose(fcpl_id) < 0) ERR; /* Now reopen the file and check it out. */ if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR; if ((grpid = H5Gopen1(fileid, "/")) < 0) ERR; if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR; if ((typeid = H5Aget_type(attid)) < 0) ERR; if ((spaceid = H5Aget_space(attid)) < 0) ERR; /* Given this type id, how would we know this is a string * attribute? */ if ((class = H5Tget_class(typeid)) < 0) return NC_EHDFERR; if (class != H5T_STRING) ERR; if (!(type_size = H5Tget_size(typeid))) ERR; if ((is_str = H5Tis_variable_str(typeid)) < 0) ERR; /* Make sure this is a scalar. */ if (H5Sget_simple_extent_type(spaceid) != H5S_SCALAR) ERR; /* Read the attribute. */ if (H5Aread(attid, typeid, &data_in) < 0) ERR; /* Check the data. */ if (strcmp(data, data_in)) ERR; /* Free our memory. */ free(data_in); /* Close HDF5 stuff. */ if (H5Aclose(attid) < 0) ERR; if (H5Tclose(typeid) < 0) ERR; if (H5Sclose(spaceid) < 0) ERR; if (H5Gclose(grpid) < 0) ERR; if (H5Fclose(fileid) < 0) ERR; } SUMMARIZE_ERR; printf("*** Checking a HDF5 file with scalar, fixed-length string dataset..."); { #define VAR_NAME_2 "Gettysburg Address" hid_t fapl_id, fcpl_id, fileid, grpid, spaceid, typeid, datasetid, plistid; int ncid, nvars_in, ndims_in, natts_in, unlimdim_in, type_in; char data[] = "Four score and seven years ago our fathers brought forth on " "this continent, a new nation, conceived in Liberty, and dedicated to " "the proposition that all men are created equal. Now we are engaged " "in a great civil war, testing whether that nation, or any nation so " "conceived and so dedicated, can long endure. We are met on a great " "battle-field of that war. We have come to dedicate a portion of that " "field, as a final resting place for those who here gave their lives " "that that nation might live. It is altogether fitting and proper that " "we should do this. But, in a larger sense, we can not dedicate -- we " "can not consecrate -- we can not hallow -- this ground. The brave men, " "living and dead, who struggled here, have consecrated it, far above our " "poor power to add or detract. The world will little note, nor long " "remember what we say here, but it can never forget what they did here. " "It is for us the living, rather, to be dedicated here to the unfinished " "work which they who fought here have thus far so nobly advanced. It is " "rather for us to be here dedicated to the great task remaining before " "us -- that from these honored dead we take increased devotion to that " "cause for which they gave the last full measure of devotion -- that we " "here highly resolve that these dead shall not have died in vain -- that " "this nation, under God, shall have a new birth of freedom -- and that " "government of the people, by the people, for the people, shall not " "perish from the earth."; char name_in[NC_MAX_NAME + 1]; char *data_in2[1]; /* Create file access and create property lists. */ if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR; if ((fcpl_id = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR; /* Set latest_format in access propertly list. This ensures that * the latest, greatest, HDF5 versions are used in the file. */ if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR; /* Set H5P_CRT_ORDER_TRACKED in the creation property list. This * turns on HDF5 creation ordering in the file. */ if (H5Pset_link_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED)) < 0) ERR; if (H5Pset_attr_creation_order(fcpl_id, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED)) < 0) ERR; /* Create the file, open root group. */ if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, fapl_id)) < 0) ERR; if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR; /* Create string type. */ if ((typeid = H5Tcopy(H5T_C_S1)) < 0) ERR; if (H5Tset_size(typeid, strlen(data) + 1) < 0) ERR; /* Create a scalar space. */ if ((spaceid = H5Screate(H5S_SCALAR)) < 0) ERR; /* Write an scalar dataset of this type. */ if ((plistid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR; if ((datasetid = H5Dcreate1(grpid, VAR_NAME_2, typeid, spaceid, plistid)) < 0) ERR; if (H5Dwrite(datasetid, typeid, spaceid, spaceid, H5P_DEFAULT, data) < 0) ERR; /* Close up. */ if (H5Dclose(datasetid) < 0) ERR; if (H5Pclose(fapl_id) < 0) ERR; if (H5Pclose(fcpl_id) < 0) ERR; if (H5Pclose(plistid) < 0) ERR; if (H5Tclose(typeid) < 0) ERR; if (H5Gclose(grpid) < 0) ERR; if (H5Fclose(fileid) < 0) ERR; /* Read the file with netCDF-4. */ if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR; if (nc_inq(ncid, &ndims_in, &nvars_in, &natts_in, &unlimdim_in)) ERR; if (ndims_in != 0 || nvars_in != 1 || natts_in != 0 || unlimdim_in != -1) ERR; if (nc_inq_var(ncid, 0, name_in, &type_in, &ndims_in, NULL, &natts_in)) ERR; if (strcmp(name_in, VAR_NAME_2) || type_in != NC_STRING || ndims_in != 0 || natts_in != 0) ERR; if (nc_get_var_string(ncid, 0, data_in2)) ERR; if (strcmp(data_in2[0], data)) ERR; if (nc_free_string(1, data_in2)) ERR; if (nc_close(ncid)) ERR; } SUMMARIZE_ERR; FINAL_RESULTS; }