/* * Generate the binary hdf5 files for the h5dump tests. */ #include #include "hdf5.h" #include #define FILE1 "tgroup.h5" #define FILE2 "tdset.h5" #define FILE3 "tattr.h5" #define FILE4 "tslink.h5" #define FILE5 "thlink.h5" #define FILE6 "tcompound.h5" #define FILE7 "tall.h5" #define FILE8 "tdset2.h5" #define FILE9 "tcompound2.h5" #define FILE10 "tloop.h5" #define FILE11 "tloop2.h5" #define FILE12 "tmany.h5" #define FILE13 "tstr.h5" #define FILE14 "tstr2.h5" #define FILE15 "tenum.h5" #define FILE16 "tobjref.h5" #define FILE17 "tdatareg.h5" #define LENSTR 50 #define LENSTR2 11 #define SPACE2_RANK 2 #define SPACE2_DIM1 10 #define SPACE2_DIM2 10 #define SPACE1_RANK 1 #define SPACE1_DIM1 4 /* Element selection information */ #define POINT1_NPOINTS 10 typedef enum{ RED, GREEN, BLUE, WHITE, BLACK } enumtype; /* Compound datatype */ typedef struct s1_t { unsigned int a; unsigned int b; float c; } s1_t; static void test_group(void) { hid_t fid, group; fid = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* / */ group = H5Gcreate (fid, "/g1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); H5Gclose(group); group = H5Gcreate (fid, "/g3", 0); H5Gclose(group); /* /g1 */ group = H5Gcreate (fid, "/g1/g1.1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g1/g1.2", 0); H5Gclose(group); /* /g2 */ group = H5Gcreate (fid, "/g2/g2.1", 0); H5Gclose(group); /* /g3 */ group = H5Gcreate (fid, "/g3/g3.1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g3/g3.2", 0); H5Gclose(group); group = H5Gcreate (fid, "/g3/g3.3", 0); H5Gclose(group); group = H5Gcreate (fid, "/g3/g3.4", 0); H5Gclose(group); /* /g2/g2.1 */ group = H5Gcreate (fid, "/g2/g2.1/g2.1.1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g2/g2.1/g2.1.2", 0); H5Gclose(group); group = H5Gcreate (fid, "/g2/g2.1/g2.1.3", 0); H5Gclose(group); H5Fclose(fid); } static void test_dataset(void) { hid_t fid, dataset, space; hsize_t dims[2]; int dset1[10][20]; double dset2[30][20]; int i, j; fid = H5Fcreate(FILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* dset1 */ dims[0] = 10; dims[1] = 20; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(fid, "/dset1", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) for (j = 0; j < 20; j++) dset1[i][j] = j+i; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Sclose(space); H5Dclose(dataset); /* dset2 */ dims[0] = 30; dims[1] = 20; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(fid, "/dset2", H5T_IEEE_F64BE, space, H5P_DEFAULT); for (i = 0; i < 30; i++) for (j = 0; j < 20; j++) dset2[i][j] = 0.0001*j+i; H5Dwrite(dataset, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Sclose(space); H5Dclose(dataset); H5Fclose(fid); } static void test_dataset2(void) { hid_t fid, dataset, space, create_plist; hsize_t dims[2]; hsize_t maxdims[2]; int dset1[10][20]; double dset2[30][10]; int i, j; fid = H5Fcreate(FILE8, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); create_plist = H5Pcreate(H5P_DATASET_CREATE); dims[0] = 5; dims[1] = 5; H5Pset_chunk(create_plist, 2, dims); /* dset1 */ dims[0] = 10; dims[1] = 20; maxdims[0] = H5S_UNLIMITED; maxdims[1] = 20; space = H5Screate_simple(2, dims, maxdims); dataset = H5Dcreate(fid, "/dset1", H5T_STD_I32BE, space, create_plist); for (i = 0; i < 10; i++) for (j = 0; j < 20; j++) dset1[i][j] = j; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Sclose(space); H5Dclose(dataset); /* dset2 */ dims[0] = 30; dims[1] = 10; maxdims[0] = 30; maxdims[1] = H5S_UNLIMITED; space = H5Screate_simple(2, dims, maxdims); dataset = H5Dcreate(fid, "/dset2", H5T_IEEE_F64BE, space, create_plist); for (i = 0; i < 30; i++) for (j = 0; j < 10; j++) dset2[i][j] = j; H5Dwrite(dataset, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Sclose(space); H5Dclose(dataset); H5Fclose(fid); } static void test_attribute(void) { hid_t fid, root, space, attr, type; hsize_t dims[2]; char buf[60]; int i, data[10]; double d[10]; char string[]= "string attribute"; int point = 100; fid = H5Fcreate(FILE3, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); root = H5Gopen (fid, "/"); /* attribute 1 */ dims[0] = 24; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (root, "attr1", H5T_STD_I8BE, space, H5P_DEFAULT); sprintf(buf, "attribute of root group"); H5Awrite(attr, H5T_NATIVE_SCHAR, buf); H5Sclose(space); H5Aclose(attr); /* attribute 2 */ dims[0] = 10; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (root, "attr2", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) data[i] = i+1; H5Awrite(attr, H5T_NATIVE_INT, data); H5Sclose(space); H5Aclose(attr); /* attribute 3 */ dims[0] = 10; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (root, "attr3", H5T_IEEE_F64BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) d[i] = 0.1 * i; H5Awrite(attr, H5T_NATIVE_DOUBLE, d); H5Sclose(space); H5Aclose(attr); /* attribute 4 */ space = H5Screate(H5S_SCALAR); attr = H5Acreate (root, "attr4", H5T_STD_I32BE, space, H5P_DEFAULT); H5Awrite(attr, H5T_NATIVE_INT, &point); H5Sclose(space); H5Aclose(attr); /* attribute 5 */ space = H5Screate(H5S_SCALAR); type = H5Tcopy(H5T_C_S1); H5Tset_size(type, 17); attr = H5Acreate (root, "attr5", type, space, H5P_DEFAULT); H5Awrite(attr, type, string); H5Tclose(type); H5Sclose(space); H5Aclose(attr); H5Gclose(root); H5Fclose(fid); } static void test_softlink(void) { hid_t fid, root; herr_t status; fid = H5Fcreate(FILE4, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); root = H5Gopen (fid, "/"); status = H5Glink (root, H5G_LINK_SOFT, "somevalue", "slink1"); status = H5Glink (root, H5G_LINK_SOFT, "linkvalue", "slink2"); H5Gclose(root); H5Fclose(fid); } /* / / | \ the dataset is hardlinked to three names /dset1, /g1/dset2, and /g1/g1.1/dset3 dset1 g1 g2 /g2 and /g1/g1.1 are hardlinked to the same object. / \ dset2 g1.1 | dset3 */ static void test_hardlink(void) { hid_t fid, group, dataset, space; hsize_t dim; int i, dset[5]; fid = H5Fcreate(FILE5, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); dim = 5; space = H5Screate_simple(1, &dim, NULL); dataset = H5Dcreate(fid, "/dset1", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 5; i++) dset[i] = i; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset); H5Sclose(space); H5Dclose(dataset); group = H5Gcreate (fid, "/g1", 0); H5Glink (group, H5G_LINK_HARD, "/dset1", "dset2"); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); H5Glink (group, H5G_LINK_HARD, "/dset1", "dset3"); H5Gclose(group); group = H5Gopen(fid, "/g1"); H5Glink (group, H5G_LINK_HARD, "/g2", "g1.1"); H5Gclose(group); H5Fclose(fid); } /* / / | \ \ dset1 group1 type1 type2 | dset2 */ static void test_compound_dt(void) { /* test compound data type */ hid_t fid, group, dataset, space, space3, type, type2; typedef struct { int a; float b; double c; } dset1_t; dset1_t dset1[5]; typedef struct { int a; float b; } dset2_t; dset2_t dset2[5]; typedef struct { int a[4]; float b[5][6]; } dset3_t; dset3_t dset3[3][6]; typedef struct { int a; float b; } dset4_t; dset4_t dset4[5]; typedef struct { int a; float b; } dset5_t; dset5_t dset5[5]; int i, j, k, l, ndims; size_t dim[2]; hsize_t sdim = 5; hsize_t dset3_dim[2]; for (i = 0; i < (int)sdim; i++) { dset1[i].a = i; dset1[i].b = i*i; dset1[i].c = 1./(i+1); dset2[i].a = i; dset2[i].b = i+ i*0.1; dset4[i].a = i; dset4[i].b = i*1.0; dset5[i].a = i; dset5[i].b = i*0.1; } fid = H5Fcreate(FILE6, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); space = H5Screate_simple(1, &sdim, NULL); type = H5Tcreate (H5T_COMPOUND, sizeof(dset1[0])); type2 = H5Tcreate(H5T_COMPOUND, sizeof(dset1[0])); H5Tinsert(type, "a_name", HOFFSET(dset1_t, a), H5T_STD_I32BE); H5Tinsert(type, "b_name", HOFFSET(dset1_t, b), H5T_IEEE_F32BE); H5Tinsert(type, "c_name", HOFFSET(dset1_t, c), H5T_IEEE_F64BE); H5Tinsert(type2, "a_name", HOFFSET(dset1_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "b_name", HOFFSET(dset1_t, b), H5T_NATIVE_FLOAT); H5Tinsert(type2, "c_name", HOFFSET(dset1_t, c), H5T_NATIVE_DOUBLE); dataset = H5Dcreate(fid, "/dset1", type, space, H5P_DEFAULT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Tclose(type2); H5Tclose(type); H5Dclose(dataset); /* shared data type 1 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset2_t)); H5Tinsert(type, "int_name", HOFFSET(dset2_t, a), H5T_STD_I32BE); H5Tinsert(type, "float_name", HOFFSET(dset2_t, b), H5T_IEEE_F32BE); H5Tcommit(fid, "type1", type); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset2_t)); H5Tinsert(type2, "int_name", HOFFSET(dset2_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float_name", HOFFSET(dset2_t, b), H5T_NATIVE_FLOAT); group = H5Gcreate (fid, "/group1", 0); dataset = H5Dcreate(group, "dset2", type, space, H5P_DEFAULT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Tclose(type2); H5Tclose(type); H5Dclose(dataset); /* shared data type 2 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset3_t)); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset3_t)); ndims = 1; dim[0] = 4; H5Tinsert_array(type, "int_array", HOFFSET(dset3_t, a), ndims, dim, NULL, H5T_STD_I32BE); H5Tinsert_array(type2, "int_array", HOFFSET(dset3_t, a), ndims, dim, NULL, H5T_NATIVE_INT); ndims = 2; dim[0] = 5; dim[1] = 6; H5Tinsert_array(type, "float_array", HOFFSET(dset3_t, b), ndims, dim, NULL, H5T_IEEE_F32BE); H5Tinsert_array(type2, "float_array", HOFFSET(dset3_t, b), ndims, dim, NULL, H5T_NATIVE_FLOAT); H5Tcommit(fid, "type2", type); dset3_dim[0] = 3; dset3_dim[1] = 6; space3 = H5Screate_simple(2, dset3_dim, NULL); dataset = H5Dcreate(group, "dset3", type, space3, H5P_DEFAULT); for (i = 0; i < (int)dset3_dim[0]; i++) { for (j = 0; j < (int)dset3_dim[1]; j++) { for (k = 0; k < 4; k++) dset3[i][j].a[k] = k; for (k = 0; k < 5; k++) for (l = 0; l < 6; l++) dset3[i][j].b[k][l] = 0.1* (k+1); } } H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset3); H5Sclose(space3); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); /* shared data type 3 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset4_t)); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset4_t)); H5Tinsert(type, "int", HOFFSET(dset4_t, a), H5T_STD_I32BE); H5Tinsert(type, "float", HOFFSET(dset4_t, b), H5T_IEEE_F32BE); H5Tcommit(group, "type3", type); H5Tinsert(type2, "int", HOFFSET(dset4_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float", HOFFSET(dset4_t, b), H5T_NATIVE_FLOAT); dataset = H5Dcreate(group, "dset4", type, space, H5P_DEFAULT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset4); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); H5Gclose(group); /* unamed data type */ group = H5Gcreate (fid, "/group2", 0); type = H5Tcreate (H5T_COMPOUND, sizeof(dset5_t)); H5Tinsert(type, "int", HOFFSET(dset5_t, a), H5T_STD_I32BE); H5Tinsert(type, "float", HOFFSET(dset5_t, b), H5T_IEEE_F32BE); H5Tcommit(group, "type4", type); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset5_t)); H5Tinsert(type2, "int", HOFFSET(dset5_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float", HOFFSET(dset5_t, b), H5T_NATIVE_FLOAT); dataset = H5Dcreate(group, "dset5", type, space, H5P_DEFAULT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset5); H5Gunlink(group,"type4"); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); H5Sclose(space); H5Gclose(group); H5Fclose(fid); } /* / / | \ \ dset1 group1 type1 type2 | dset2 */ static void test_compound_dt2(void) { /* test compound data type */ hid_t fid, group, dataset, space, type, create_plist, type2; typedef struct { int a; float b; double c; } dset1_t; dset1_t dset1[10]; typedef struct { int a; float b; } dset2_t; dset2_t dset2[10]; typedef struct { int a[4]; float b[5][6]; } dset3_t; typedef struct { int a; float b; } dset4_t; dset4_t dset4[10]; typedef struct { int a; float b; } dset5_t; dset5_t dset5[10]; int i, ndims; const int perm[2]={0,1}; size_t dim[2]; hsize_t sdim, maxdim; sdim = 10; for (i = 0; i < (int)sdim; i++) { dset1[i].a = i; dset1[i].b = i*i; dset1[i].c = 1./(i+1); dset2[i].a = i; dset2[i].b = i+ i*0.1; dset4[i].a = i; dset4[i].b = i*1.0; dset5[i].a = i; dset5[i].b = i*1.0; } fid = H5Fcreate(FILE9, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); create_plist = H5Pcreate(H5P_DATASET_CREATE); sdim = 2; H5Pset_chunk(create_plist, 1, &sdim); sdim = 6; maxdim = H5S_UNLIMITED; space = H5Screate_simple(1, &sdim, &maxdim); type = H5Tcreate (H5T_COMPOUND, sizeof(dset1[0])); H5Tinsert(type, "a_name", HOFFSET(dset1_t, a), H5T_STD_I32BE); H5Tinsert(type, "b_name", HOFFSET(dset1_t, b), H5T_IEEE_F32BE); H5Tinsert(type, "c_name", HOFFSET(dset1_t, c), H5T_IEEE_F64BE); dataset = H5Dcreate(fid, "/dset1", type, space, create_plist); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset1[0])); H5Tinsert(type2, "a_name", HOFFSET(dset1_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "b_name", HOFFSET(dset1_t, b), H5T_NATIVE_FLOAT); H5Tinsert(type2, "c_name", HOFFSET(dset1_t, c), H5T_NATIVE_DOUBLE); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Tclose(type); H5Tclose(type2); H5Sclose(space); H5Dclose(dataset); sdim = 6; maxdim = 10; space = H5Screate_simple(1, &sdim, &maxdim); /* shared data type 1 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset2_t)); H5Tinsert(type, "int_name", HOFFSET(dset2_t, a), H5T_STD_I32BE); H5Tinsert(type, "float_name", HOFFSET(dset2_t, b), H5T_IEEE_F32BE); H5Tcommit(fid, "type1", type); group = H5Gcreate (fid, "/group1", 0); dataset = H5Dcreate(group, "dset2", type, space, create_plist); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset2_t)); H5Tinsert(type2, "int_name", HOFFSET(dset2_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float_name", HOFFSET(dset2_t, b), H5T_NATIVE_FLOAT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); /* shared data type 2 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset3_t)); ndims = 1; dim[0] = 4; H5Tinsert_array(type, "int_array", HOFFSET(dset3_t, a), ndims, dim, perm, H5T_STD_I32BE); ndims = 2; dim[0] = 5; dim[1] = 6; H5Tinsert_array(type, "float_array", HOFFSET(dset3_t, b), ndims, dim, perm, H5T_IEEE_F32BE); H5Tcommit(fid, "type2", type); H5Tclose(type); /* shared data type 3 */ type = H5Tcreate (H5T_COMPOUND, sizeof(dset4_t)); H5Tinsert(type, "int", HOFFSET(dset4_t, a), H5T_STD_I32BE); H5Tinsert(type, "float", HOFFSET(dset4_t, b), H5T_IEEE_F32BE); H5Tcommit(group, "type3", type); dataset = H5Dcreate(group, "dset4", type, space, create_plist); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset4_t)); H5Tinsert(type2, "int", HOFFSET(dset4_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float", HOFFSET(dset4_t, b), H5T_NATIVE_FLOAT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset4); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); H5Gclose(group); /* unamed data type */ group = H5Gcreate (fid, "/group2", 0); type = H5Tcreate (H5T_COMPOUND, sizeof(dset5_t)); H5Tinsert(type, "int", HOFFSET(dset5_t, a), H5T_STD_I32BE); H5Tinsert(type, "float", HOFFSET(dset5_t, b), H5T_IEEE_F32BE); H5Tcommit(group, "type4", type); dataset = H5Dcreate(group, "dset5", type, space, create_plist); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset5_t)); H5Tinsert(type2, "int", HOFFSET(dset5_t, a), H5T_NATIVE_INT); H5Tinsert(type2, "float", HOFFSET(dset5_t, b), H5T_NATIVE_FLOAT); H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset5); H5Gunlink(group,"type4"); H5Tclose(type); H5Tclose(type2); H5Dclose(dataset); H5Sclose(space); H5Gclose(group); H5Fclose(fid); } /* / : g1 g2 attr1 attr2 g1 : g1.1 g1.2 g1.1 : dset1.1.1(attr1, attr2) dset1.1.2 g1.2 : g1.2.1 g1.2.1 : slink g2 : dset2.1 dset2.2 */ static void test_all(void) { hid_t fid, group, attr, dataset, space; hsize_t dims[2]; int data[2][2], dset1[10][10], dset2[20]; char buf[60]; int i, j; float dset2_1[10], dset2_2[3][5]; fid = H5Fcreate(FILE7, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* create groups */ group = H5Gcreate (fid, "/g1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); H5Gclose(group); group = H5Gcreate (fid, "/g1/g1.1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g1/g1.2", 0); H5Gclose(group); group = H5Gcreate (fid, "/g1/g1.2/g1.2.1", 0); H5Gclose(group); /* root attributes */ group = H5Gopen (fid, "/"); dims[0] = 10; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (group, "attr1", H5T_STD_I8BE, space, H5P_DEFAULT); sprintf(buf, "abcdefghi"); H5Awrite(attr, H5T_NATIVE_SCHAR, buf); H5Sclose(space); H5Aclose(attr); dims[0] = 2; dims[1] = 2; space = H5Screate_simple(2, dims, NULL); attr = H5Acreate (group, "attr2", H5T_STD_I32BE, space, H5P_DEFAULT); data[0][0] = 0; data[0][1] = 1; data[1][0] = 2; data[1][1] = 3; H5Awrite(attr, H5T_NATIVE_INT, data); H5Sclose(space); H5Aclose(attr); H5Gclose(group); group = H5Gopen (fid, "/g1/g1.1"); /* dset1.1.1 */ dims[0] = 10; dims[1] = 10; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(group, "dset1.1.1", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) dset1[i][j] = j; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Sclose(space); /* attributes of dset1.1.1 */ dims[0] = 27; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (dataset, "attr1", H5T_STD_I8BE, space, H5P_DEFAULT); sprintf(buf, "1st attribute of dset1.1.1"); H5Awrite(attr, H5T_NATIVE_SCHAR, buf); H5Sclose(space); H5Aclose(attr); dims[0] = 27; space = H5Screate_simple(1, dims, NULL); attr = H5Acreate (dataset, "attr2", H5T_STD_I8BE, space, H5P_DEFAULT); sprintf(buf, "2nd attribute of dset1.1.1"); H5Awrite(attr, H5T_NATIVE_SCHAR, buf); H5Sclose(space); H5Aclose(attr); H5Dclose(dataset); /* dset1.1.2 */ dims[0] = 20; space = H5Screate_simple(1, dims, NULL); dataset = H5Dcreate(group, "dset1.1.2", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 20; i++) dset2[i] = i; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Sclose(space); H5Dclose(dataset); H5Gclose(group); /* soft link */ group = H5Gopen (fid, "/g1/g1.2/g1.2.1"); H5Glink (group, H5G_LINK_SOFT, "somevalue", "slink"); H5Gclose(group); group = H5Gopen (fid, "/g2"); /* dset2.1 */ dims[0] = 10; space = H5Screate_simple(1, dims, NULL); dataset = H5Dcreate(group, "dset2.1", H5T_IEEE_F32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) dset2_1[i] = i*0.1+1; H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2_1); H5Sclose(space); H5Dclose(dataset); /* dset2.2 */ dims[0] = 3; dims[1] = 5; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(group, "dset2.2", H5T_IEEE_F32BE, space, H5P_DEFAULT); for (i = 0; i < 3; i++) for (j = 0; j < 5; j++) dset2_2[i][j] = i*0.1; H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2_2); H5Sclose(space); H5Dclose(dataset); H5Gclose(group); H5Fclose(fid); } /* o /___\ g1 o/ \o g2 \___/ o - group objects */ static void test_loop(void) { hid_t fid, group; fid = H5Fcreate(FILE10, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); group = H5Gcreate (fid, "/g1", 0); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); H5Gclose(group); H5Glink(fid, H5G_LINK_HARD, "/g2", "/g1/g1.1"); H5Glink(fid, H5G_LINK_HARD, "/g1", "/g2/g2.1"); H5Fclose(fid); } static void test_loop2(void) { hid_t fid, group; fid = H5Fcreate(FILE11, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* create group object g1 and implcit path from root object */ group = H5Gcreate (fid, "/g1", 0); H5Gclose(group); /* create group object g2 and implcit path from root object */ group = H5Gcreate (fid, "/g2", 0); H5Gclose(group); /* create path from object at /g1 to object at /g2 and name it g1.1 */ H5Glink (fid, H5G_LINK_HARD, "/g2", "/g1/g1.1"); /* create path from object at /g2 to object at /g1 and name it g2.1 */ H5Glink (fid, H5G_LINK_SOFT, "/g1", "/g2/g2.1"); H5Fclose(fid); } /* / | | | \ \ \ g1 g2 g3 g4 g5 g6 / \ | | \ \ \ g1.1 g1.2 slink2 link3 dset2 slink4 dset3 | | (g1) (dset2) (dset3) dset1 link1 (dset1) */ static void test_many(void) { hid_t fid, group, attr, dataset, space, space2, type, create_plist, type2; hsize_t dims[2]; int data[2][2], dset2[10][10], dset3[10][10]; double d[10]; char buf[60]; int i, j; int i0, i1, i2, i3; hsize_t sdim, maxdim; typedef struct { /* compound type has members with rank > 1 */ int a[2][2][2][2]; /* arrays are 2x2x2x2 */ double b[2][2][2][2]; double c[2][2][2][2]; } dset1_t; dset1_t dset1[6]; size_t dim[4]; int index[4] = {0,1,2,3}; /* normal indicies */ const int perm[4] = {0,1,2,3}; /* the 0'th and the 3'rd indices are permuted */ fid = H5Fcreate(FILE12, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); group = H5Gcreate (fid, "/g1", 0); H5Gclose(group); create_plist = H5Pcreate(H5P_DATASET_CREATE); sdim = 2; H5Pset_chunk(create_plist, 1, &sdim); group = H5Gcreate (fid, "/g1/g1.1", 0); type = H5Tcreate (H5T_COMPOUND, sizeof(dset1[0])); dim[0] = dim[1] = dim[2] = dim[3] = 2; H5Tinsert_array(type, "a_array", HOFFSET(dset1_t, a), 4, dim, perm, H5T_STD_I32BE); H5Tinsert_array(type, "b_array", HOFFSET(dset1_t, b), 4, dim, perm, H5T_IEEE_F64BE); H5Tinsert_array(type, "c_array", HOFFSET(dset1_t, c), 4, dim, perm, H5T_IEEE_F64BE); type2 = H5Tcreate (H5T_COMPOUND, sizeof(dset1[0])); H5Tinsert_array(type2, "a_array", HOFFSET(dset1_t, a), 4, dim, perm, H5T_NATIVE_INT); H5Tinsert_array(type2, "b_array", HOFFSET(dset1_t, b), 4, dim, perm, H5T_NATIVE_DOUBLE); H5Tinsert_array(type2, "c_array", HOFFSET(dset1_t, c), 4, dim, perm, H5T_NATIVE_DOUBLE); /* dset1 */ sdim = 6; maxdim = H5S_UNLIMITED; space = H5Screate_simple(1, &sdim, &maxdim); dataset = H5Dcreate(group, "dset1", type, space, create_plist); /* add attributes to dset1 */ dims[0] = 10; space2 = H5Screate_simple(1, dims, NULL); attr = H5Acreate (dataset, "attr1", H5T_STD_I8BE, space2, H5P_DEFAULT); sprintf(buf, "abcdefghi"); H5Awrite(attr, H5T_NATIVE_CHAR, buf); H5Sclose(space2); H5Aclose(attr); dims[0] = 2; dims[1] = 2; space2 = H5Screate_simple(2, dims, NULL); attr = H5Acreate (dataset, "attr2", H5T_STD_I32BE, space2, H5P_DEFAULT); data[0][0] = 0; data[0][1] = 1; data[1][0] = 2; data[1][1] = 3; H5Awrite(attr, H5T_NATIVE_INT, data); H5Sclose(space2); H5Aclose(attr); dims[0] = 10; space2 = H5Screate_simple(1, dims, NULL); attr = H5Acreate (dataset, "attr3", H5T_IEEE_F64BE, space2, H5P_DEFAULT); for (i = 0; i < 10; i++) d[i] = 0.1 * i; H5Awrite(attr, H5T_NATIVE_DOUBLE, d); H5Sclose(space2); H5Aclose(attr); for (j=0; j<(int)sdim; j++) { for (i3 = 0; i3 < 2; i3++) { index[perm[3]] = i3; for (i2 = 0; i2 < 2; i2++) { index[perm[2]] = i2; for (i1 = 0; i1 < 2; i1++) { index[perm[1]] = i1; for (i0 = 0; i0 < 2; i0++) { index[perm[0]] = i0; dset1[j].a[index[3]][index[2]][index[1]][index[0]] = i0+j; dset1[j].b[index[3]][index[2]][index[1]][index[0]] = (double)(i0+j); #if WIN32 dset1[j].c[index[3]][index[2]][index[1]][index[0]] = (double)(i0+j+(signed __int64)sdim); #else dset1[j].c[index[3]][index[2]][index[1]][index[0]] = (double)(i0+j+sdim); #endif } } } } } H5Dwrite(dataset, type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset1); H5Dclose(dataset); H5Sclose(space); H5Tclose(type); H5Tclose(type2); H5Gclose(group); group = H5Gcreate (fid, "/g1/g1.2", 0); H5Glink (group, H5G_LINK_HARD, "/g1/g1.1/dset1", "link1"); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); H5Glink (group, H5G_LINK_SOFT, "/g1", "slink2"); H5Gclose(group); group = H5Gcreate (fid, "/g3", 0); H5Gclose(group); group = H5Gcreate (fid, "/g4", 0); /* dset2 */ dims[0] = 10; dims[1] = 10; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(group, "dset2", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) dset2[i][j] = j; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset2); H5Dclose(dataset); H5Sclose(space); H5Gclose(group); group = H5Gopen(fid, "/g3"); H5Glink (group, H5G_LINK_HARD, "/g4/dset2", "link3"); H5Gclose(group); group = H5Gcreate (fid, "/g5", 0); H5Gclose(group); group = H5Gcreate (fid, "/g6", 0); /* dset3 */ dims[0] = 10; dims[1] = 10; space = H5Screate_simple(2, dims, NULL); dataset = H5Dcreate(group, "dset3", H5T_STD_I32BE, space, H5P_DEFAULT); for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) dset3[i][j] = i; H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, dset3); H5Dclose(dataset); H5Sclose(space); H5Gclose(group); group = H5Gopen(fid, "/g5"); H5Glink (group, H5G_LINK_SOFT, "/g6/dset3", "slink4"); H5Gclose(group); H5Fclose(fid); } static hid_t mkstr(int size, int pad) { hid_t type; if ((type=H5Tcopy(H5T_C_S1))<0) return -1; if (H5Tset_size(type, size)<0) return -1; if (H5Tset_strpad(type, pad)<0) return -1; return type; } static void test_str(void) { hid_t fid, dataset, space, f_type, m_type, str_type, f_type2; hsize_t dims1[] = { 3, 4}; char string1[12][2] = {"s1","s2","s3","s4","s5","s6","s7","s8","s9", "s0","s1","s2"}; hsize_t dims2[]={20}; char string2[20][9] = {"ab cd ef1", "ab cd ef2", "ab cd ef3", "ab cd ef4", "ab cd ef5", "ab cd ef6", "ab cd ef7", "ab cd ef8", "ab cd ef9", "ab cd ef0", "ab cd ef1", "ab cd ef2", "ab cd ef3", "ab cd ef4", "ab cd ef5", "ab cd ef6", "ab cd ef7", "ab cd ef8", "ab cd ef9", "ab cd ef0"}; hsize_t dims3[] = { 27}; char string3[27][5] = {"abcd0", "abcd1", "abcd2", "abcd3", "abcd4", "abcd5", "abcd6", "abcd7", "abcd8", "abcd9", "abcd0", "abcd1", "abcd2", "abcd3", "abcd4", "abcd5", "abcd6", "abcd7", "abcd8", "abcd9", "abcd0", "abcd1", "abcd2", "abcd3", "abcd4", "abcd5", "abcd6"}; int i, j, k, l; hsize_t dims4[] = { 3 }; char string4[3][20] = { "s1234567890123456789", "s1234567890123456789", "s1234567890123456789"}; hsize_t dims5[] = { 3, 6}; typedef struct { int a[8][10]; char s[12][32]; } compound_t; compound_t comp1[3][6]; size_t mdims[2]; fid = H5Fcreate(FILE13, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* string 1 : nullterm string */ space = H5Screate_simple(2, dims1, NULL); f_type = mkstr(5, H5T_STR_NULLTERM); m_type = mkstr(2, H5T_STR_NULLTERM); dataset = H5Dcreate(fid, "/string1", f_type, space, H5P_DEFAULT); H5Dwrite(dataset, m_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, string1); H5Tclose(m_type); H5Tclose(f_type); H5Sclose(space); H5Dclose(dataset); /* string 2 : space pad string */ space = H5Screate_simple(1, dims2, NULL); f_type = mkstr(11, H5T_STR_SPACEPAD); m_type = mkstr(9, H5T_STR_NULLTERM); dataset = H5Dcreate(fid, "/string2", f_type, space, H5P_DEFAULT); H5Dwrite(dataset, m_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, string2); H5Tclose(m_type); H5Tclose(f_type); H5Sclose(space); H5Dclose(dataset); /* string 3 : null pad string */ space = H5Screate_simple(1, dims3, NULL); f_type = mkstr(8, H5T_STR_NULLPAD); m_type = mkstr(5, H5T_STR_NULLTERM); dataset = H5Dcreate(fid, "/string3", f_type, space, H5P_DEFAULT); H5Dwrite(dataset, m_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, string3); H5Tclose(m_type); H5Tclose(f_type); H5Sclose(space); H5Dclose(dataset); /* string 4 : space pad long string */ space = H5Screate_simple(1, dims4, NULL); f_type = mkstr(168, H5T_STR_SPACEPAD); m_type = mkstr(20, H5T_STR_NULLTERM); dataset = H5Dcreate(fid, "/string4", f_type, space, H5P_DEFAULT); H5Dwrite(dataset, m_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, string4); H5Tclose(m_type); H5Tclose(f_type); H5Sclose(space); H5Dclose(dataset); /* compound data */ space = H5Screate_simple(2, dims5, NULL); f_type = H5Tcreate (H5T_COMPOUND, sizeof(compound_t)); f_type2 = H5Tcreate (H5T_COMPOUND, sizeof(compound_t)); mdims[0] = 8; mdims[1] = 10; H5Tinsert_array(f_type, "int_array", HOFFSET(compound_t, a), 2, mdims, NULL, H5T_STD_I32BE); H5Tinsert_array(f_type2, "int_array", HOFFSET(compound_t, a), 2, mdims, NULL, H5T_NATIVE_INT); str_type = mkstr(32, H5T_STR_SPACEPAD); mdims[0] = 3; mdims[1] = 4; H5Tinsert_array(f_type, "string", HOFFSET(compound_t, s), 2, mdims, NULL, str_type); H5Tinsert_array(f_type2, "string", HOFFSET(compound_t, s), 2, mdims, NULL, str_type); for (i = 0; i < 3; i++) for (j = 0; j < 6; j++) { for (k = 0 ; k < 8; k++) for (l = 0; l < 10; l++) comp1[i][j].a[k][l] = (l+j+k) * (l+j+k); for (k = 0 ; k < 12; k++) sprintf(comp1[i][j].s[k], "abcdefgh12345678abcdefgh12345678"); } dataset = H5Dcreate(fid, "/comp1", f_type, space, H5P_DEFAULT); H5Dwrite(dataset, f_type2, H5S_ALL, H5S_ALL, H5P_DEFAULT, comp1); H5Tclose(str_type); H5Tclose(f_type); H5Tclose(f_type2); H5Sclose(space); H5Dclose(dataset); H5Fclose(fid); } /* / / / | \ \ \ g1 g2 g3 g4 g5 g6 | | | | \ \ string1 string3 string5 string2 string4 string6 */ static void test_str2(void) { hid_t fid, group, attr, dataset, space, space2, mem_space, hyper_space, type; hid_t fxdlenstr, fxdlenstr2, memtype; hsize_t dims[1], size[1], start[1], stride[1], count[1], block[1]; int i, j; int i0, i1, i2, i3; char buf[LENSTR+10]; char buf2[3*LENSTR2]; hsize_t sdim, maxdim; fid = H5Fcreate(FILE14, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); fxdlenstr = H5Tcopy(H5T_C_S1); H5Tset_size(fxdlenstr, LENSTR); H5Tset_cset(fxdlenstr, H5T_CSET_ASCII); H5Tset_strpad(fxdlenstr, H5T_STR_NULLTERM); memtype = H5Tcopy(H5T_C_S1); H5Tset_size(memtype, LENSTR); H5Tset_cset(memtype, H5T_CSET_ASCII); H5Tset_strpad(memtype, H5T_STR_NULLTERM); sdim = 10; size[0] = sdim; space = H5Screate_simple(1, size, NULL); size[0] = 1; mem_space = H5Screate_simple(1,size,NULL); hyper_space = H5Scopy(space); /* dset1 */ group = H5Gcreate (fid, "/g1", 0); dataset = H5Dcreate(group, "dset1", fxdlenstr, space, H5P_DEFAULT); /* add attributes to dset1 */ fxdlenstr2 = H5Tcopy(H5T_C_S1); H5Tset_size(fxdlenstr2, LENSTR2); H5Tset_cset(fxdlenstr2, H5T_CSET_ASCII); H5Tset_strpad(fxdlenstr2, H5T_STR_NULLTERM); dims[0] = 3; space2 = H5Screate_simple(1, dims, NULL); attr = H5Acreate (dataset, "attr1", fxdlenstr2, space2, H5P_DEFAULT); sprintf(&(buf2[0*LENSTR2]), "0123456789"); sprintf(&(buf2[1*LENSTR2]), "abcdefghij"); sprintf(&(buf2[2*LENSTR2]), "ABCDEFGHIJ"); H5Awrite(attr, fxdlenstr2, buf2); H5Sclose(space2); H5Tclose(fxdlenstr2); H5Aclose(attr); stride[0]=1; count[0]=1; block[0]=1; for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_NULLTERM of",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); group = H5Gcreate (fid, "/g2", 0); dataset = H5Dcreate(group, "dset2", fxdlenstr, space, H5P_DEFAULT); for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_NULLTERM of string array",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); H5Tclose(fxdlenstr); fxdlenstr = H5Tcopy(H5T_C_S1); H5Tset_size(fxdlenstr, LENSTR); H5Tset_cset(fxdlenstr, H5T_CSET_ASCII); H5Tset_strpad(fxdlenstr, H5T_STR_NULLPAD); group = H5Gcreate (fid, "/g3", 0); dataset = H5Dcreate(group, "dset3", fxdlenstr, space, H5P_DEFAULT); for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_NULLPAD of",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); group = H5Gcreate (fid, "/g4", 0); dataset = H5Dcreate(group, "dset4", fxdlenstr, space, H5P_DEFAULT); for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_NULLPAD of string array",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); H5Tclose(fxdlenstr); fxdlenstr = H5Tcopy(H5T_C_S1); H5Tset_size(fxdlenstr, LENSTR); H5Tset_cset(fxdlenstr, H5T_CSET_ASCII); H5Tset_strpad(fxdlenstr, H5T_STR_SPACEPAD); group = H5Gcreate (fid, "/g5", 0); dataset = H5Dcreate(group, "dset5", fxdlenstr, space, H5P_DEFAULT); for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_SPACEPAD of",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); group = H5Gcreate (fid, "/g6", 0); dataset = H5Dcreate(group, "dset6", fxdlenstr, space, H5P_DEFAULT); for (i = 0; i < sdim; i++) { start[0] = i; sprintf(buf,"This is row %1d of type H5T_STR_SPACEPAD of string array",i); H5Tset_size(memtype, HDstrlen(buf)+1); H5Sselect_hyperslab(hyper_space, H5S_SELECT_SET, start, stride, count, block); H5Dwrite(dataset, memtype, mem_space, hyper_space, H5P_DEFAULT, buf); } H5Dclose(dataset); H5Gclose(group); H5Tclose(fxdlenstr); H5Tclose(memtype); H5Sclose(mem_space); H5Sclose(hyper_space); H5Sclose(space); H5Fclose(fid); } void test_enum(){ /*some code is taken from enum.c in the test dir */ hid_t file, type, space, dset; int val; signed char val8; enumtype data[] = {RED, GREEN, BLUE, GREEN, WHITE, WHITE, BLACK, GREEN, BLUE, RED, RED, BLUE, GREEN, BLACK, WHITE, RED, WHITE, GREEN, GREEN, BLUE}; hsize_t size[1] = {NELMTS(data)}; file = H5Fcreate(FILE15,H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); type = H5Tcreate(H5T_ENUM, sizeof(enumtype)); H5Tenum_insert(type, "RED", (val = 0, &val)); H5Tenum_insert(type, "GREEN", (val = 1, &val)); H5Tenum_insert(type, "BLUE", (val = 2, &val)); H5Tenum_insert(type, "WHITE", (val = 3, &val)); H5Tenum_insert(type, "BLACK", (val = 4, &val)); H5Tcommit(file, "enum normal", type); space = H5Screate_simple(1,size,NULL); dset = H5Dcreate(file,"table",type, space, H5P_DEFAULT); H5Dwrite(dset,type,space,space,H5P_DEFAULT,data); H5Dclose(dset); H5Sclose(space); H5Fclose(file); } void test_objref(){ /*some code is taken from enum.c in the test dir */ hid_t fid1; /* HDF5 File IDs */ hid_t dataset, /* Dataset ID */ dset2; /* Dereferenced dataset ID */ hid_t group; /* Group ID */ hid_t sid1; /* Dataspace ID */ hid_t tid1; /* Datatype ID */ hsize_t dims1[] = {SPACE1_DIM1}; hobj_ref_t *wbuf, /* buffer to write to disk */ *rbuf, /* buffer read from disk */ *tbuf; /* temp. buffer read from disk */ uint32_t *tu32; /* Temporary pointer to uint32 data */ intn i; /* counting variables */ const char *write_comment="Foo!"; /* Comments for group */ char read_comment[10]; herr_t ret; /* Generic return value */ /* Allocate write & read buffers */ wbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1); rbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1); tbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1); /* Create file */ fid1 = H5Fcreate(FILE16, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* Create dataspace for datasets */ sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL); /* Create a group */ group=H5Gcreate(fid1,"Group1",-1); /* Set group's comment */ ret=H5Gset_comment(group,".",write_comment); /* Create a dataset (inside Group1) */ dataset=H5Dcreate(group,"Dataset1",H5T_STD_U32BE,sid1,H5P_DEFAULT); for(tu32=(uint32_t *)wbuf,i=0; i