/* This is part of the netCDF package. Copyright 2005 University Corporation for Atmospheric Research/Unidata See COPYRIGHT file for conditions of use. Test HDF5 file code. These are not intended to be exhaustive tests, but they use HDF5 the same way that netCDF-4 does, so if these tests don't work, than netCDF-4 won't work either. This program deals with HDF5 compound types. $Id: tst_h_compounds2.c,v 1.17 2010/06/01 15:34:51 ed Exp $ */ #include "h5_err_macros.h" #include #define FILE_NAME "tst_h_compounds2.h5" #define REF_FILE_IN "ref_tst_h_compounds2.h5" #define STR_LEN 255 int main() { printf("\n*** Checking HDF5 compound types some more.\n"); printf("*** Checking HDF5 compound attribute which contains a simple compound type..."); { #define DIM_CMP_LEN 1 #define ATT_NAME1 "The_Nutmeg_of_Consolation" #define NUM_TYPES 2 #define INNER_TYPE_NAME "s1" #define OUTER_TYPE_NAME "d" /* This struct will be embeddeded in another. */ struct s1 { float x; double y; }; struct s2 { struct s1 s1; }; struct s2 data_out[DIM_CMP_LEN], data_in[DIM_CMP_LEN]; hid_t fileid, grpid, typeid_inner, typeid_outer, spaceid, attid; hid_t obj_hdf_typeid[NUM_TYPES], obj_native_typeid[NUM_TYPES]; hid_t inner_type_native_typeid; hid_t att_typeid, att_native_typeid; hsize_t dims[1]; hsize_t num_obj, i_obj; char obj_name[STR_LEN + 1]; H5O_info_t obj_info; hid_t fapl_id, fcpl_id; htri_t equal; char file_in[STR_LEN * 2]; char *dummy; int i; /* REALLY initialize the data (even the gaps in the structs). This * is only needed to pass valgrind. */ if (!(dummy = calloc(sizeof(struct s2), DIM_CMP_LEN))) ERR; memcpy((void *)data_out, (void *)dummy, sizeof(struct s2) * DIM_CMP_LEN); free(dummy); /* Create some phony data. */ for (i = 0; i < DIM_CMP_LEN; i++) { data_out[i].s1.x = 1.0; data_out[i].s1.y = -2.0; } /* 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; if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR; 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 file and get root group. */ if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcpl_id, fapl_id)) < 0) ERR; if ((grpid = H5Gopen(fileid, "/")) < 0) ERR; /* Create the inner compound type. */ if ((typeid_inner = H5Tcreate(H5T_COMPOUND, sizeof(struct s1))) < 0) ERR; if (H5Tinsert(typeid_inner, "x", HOFFSET(struct s1, x), H5T_NATIVE_FLOAT) < 0) ERR; if (H5Tinsert(typeid_inner, "y", HOFFSET(struct s1, y), H5T_NATIVE_DOUBLE) < 0) ERR; if (H5Tcommit(grpid, INNER_TYPE_NAME, typeid_inner) < 0) ERR; /* Create a compound type containing a compound type. */ if ((typeid_outer = H5Tcreate(H5T_COMPOUND, sizeof(struct s2))) < 0) ERR; if (H5Tinsert(typeid_outer, INNER_TYPE_NAME, HOFFSET(struct s2, s1), typeid_inner) < 0) ERR; if (H5Tcommit(grpid, OUTER_TYPE_NAME, typeid_outer) < 0) ERR; /* Create a space. */ dims[0] = DIM_CMP_LEN; if ((spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR; /* Create an attribute of this compound type. */ if ((attid = H5Acreate2(grpid, ATT_NAME1, typeid_outer, spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR; /* Write some data to the attribute. */ if (H5Awrite(attid, typeid_outer, data_out) < 0) ERR; /* Release all resources. */ if (H5Aclose(attid) < 0 || H5Tclose(typeid_outer) < 0 || H5Tclose(typeid_inner) < 0 || H5Sclose(spaceid) < 0 || H5Gclose(grpid) < 0 || H5Fclose(fileid) < 0) ERR; /* Now open the file and get the type of the attribute. */ if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) ERR; if ((grpid = H5Gopen(fileid, "/")) < 0) ERR; if ((attid = H5Aopen_by_name(grpid, ".", ATT_NAME1, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR; if ((att_typeid = H5Aget_type(attid)) < 0) ERR; if ((att_native_typeid = H5Tget_native_type(att_typeid, H5T_DIR_DEFAULT)) < 0) ERR; /* Find the HDF ID of the inner type. */ if ((inner_type_native_typeid = H5Tget_member_type(att_native_typeid, 0)) < 0) ERR; /* Check the data. */ if (H5Aread(attid, att_native_typeid, data_in) < 0) ERR; for (i = 0; i < DIM_CMP_LEN; i++) if (data_out[i].s1.x != data_in[i].s1.x || data_out[i].s1.y != data_in[i].s1.y) ERR; /* Now iterate through the objects in the file, finding the two * defined compound types. */ if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR; for (i_obj = 0; i_obj < num_obj; i_obj++) { if (H5Oget_info_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i_obj, &obj_info, H5P_DEFAULT) < 0) ERR; if (H5Lget_name_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i_obj, obj_name, STR_LEN + 1, H5P_DEFAULT) < 0) ERR; /* Deal with groups and datasets. */ if (obj_info.type == H5O_TYPE_NAMED_DATATYPE) { /* Learn about the user-defined type. */ if ((obj_hdf_typeid[i_obj] = H5Topen2(grpid, obj_name, H5P_DEFAULT)) < 0) ERR; if ((obj_native_typeid[i_obj] = H5Tget_native_type(obj_hdf_typeid[i_obj], H5T_DIR_DEFAULT)) < 0) ERR; /* If this is the inner type, the obj_native_typeid * should be equal to the inner_type_native_typeid. */ if (!strcmp(obj_name, INNER_TYPE_NAME)) { if ((equal = H5Tequal(obj_native_typeid[i_obj], inner_type_native_typeid)) < 0) ERR; if (!equal) ERR; } } } /* Release all resources. */ if (H5Aclose(attid) < 0 || H5Tclose(att_typeid) < 0 || H5Tclose(att_native_typeid) < 0 || H5Gclose(grpid) < 0 || H5Fclose(fileid) < 0) ERR; /* Now open the reference file, created on buddy, and check it * all again. This is the cross-platform part! */ if (getenv("srcdir")) { strcpy(file_in, getenv("srcdir")); strcat(file_in, "/"); strcat(file_in, REF_FILE_IN); } else strcpy(file_in, REF_FILE_IN); if ((fileid = H5Fopen(file_in, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) ERR; if ((grpid = H5Gopen(fileid, "/")) < 0) ERR; if ((attid = H5Aopen_by_name(grpid, ".", ATT_NAME1, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR; if ((att_typeid = H5Aget_type(attid)) < 0) ERR; if ((att_native_typeid = H5Tget_native_type(att_typeid, H5T_DIR_DEFAULT)) < 0) ERR; /* Check the data. */ if (H5Aread(attid, att_native_typeid, data_in) < 0) ERR; for (i = 0; i < DIM_CMP_LEN; i++) if (data_out[i].s1.x != data_in[i].s1.x || data_out[i].s1.y != data_in[i].s1.y) ERR; /* Find the HDF ID of the inner type. */ if ((inner_type_native_typeid = H5Tget_member_type(att_native_typeid, 0)) < 0) ERR; /* Now iterate through the objects in the file, finding the two * defined compound types. */ if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR; for (i_obj = 0; i_obj < num_obj; i_obj++) { if (H5Oget_info_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i_obj, &obj_info, H5P_DEFAULT) < 0) ERR; if (H5Lget_name_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i_obj, obj_name, STR_LEN + 1, H5P_DEFAULT) < 0) ERR; /* Deal with groups and datasets. */ if (obj_info.type == H5O_TYPE_NAMED_DATATYPE) { /* Learn about the user-defined type. */ if ((obj_hdf_typeid[i_obj] = H5Topen2(grpid, obj_name, H5P_DEFAULT)) < 0) ERR; if ((obj_native_typeid[i_obj] = H5Tget_native_type(obj_hdf_typeid[i_obj], H5T_DIR_DEFAULT)) < 0) ERR; /* If this is the inner type, the obj_native_typeid * should be equal to the inner_type_native_typeid. */ if (!strcmp(obj_name, INNER_TYPE_NAME)) { if ((equal = H5Tequal(obj_native_typeid[i_obj], inner_type_native_typeid)) < 0) ERR; if (!equal) ERR; } } } /* Release all resources. */ if (H5Aclose(attid) < 0 || H5Tclose(att_typeid) < 0 || H5Tclose(att_native_typeid) < 0 || H5Gclose(grpid) < 0 || H5Fclose(fileid) < 0) ERR; } SUMMARIZE_ERR; FINAL_RESULTS; }