mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-21 03:13:42 +08:00
224 lines
7.1 KiB
C
224 lines
7.1 KiB
C
/* This is part of the netCDF package. Copyright 2013 University
|
|
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
|
|
conditions of use.
|
|
|
|
This program sets up HDF5 files that contain scalar attributes and
|
|
variables, of both string and numeric datatypes. ncdump should handle
|
|
all of these.
|
|
|
|
Russ Rew
|
|
*/
|
|
|
|
#include <nc_tests.h>
|
|
#include "err_macros.h"
|
|
#include <hdf5.h>
|
|
|
|
#define FILE_NAME "tst_h_scalar.nc"
|
|
#define VSTR_ATT1_NAME "vstratt1"
|
|
#define VSTR_ATT2_NAME "vstratt2"
|
|
#define VSTR_ATT3_NAME "vstratt3"
|
|
#define VSTR_ATT4_NAME "vstratt4"
|
|
#define VSTR_VAR1_NAME "vstrvar1"
|
|
#define VSTR_VAR2_NAME "vstrvar2"
|
|
#define VSTR_VAR3_NAME "vstrvar3"
|
|
#define VSTR_VAR4_NAME "vstrvar4"
|
|
#define FSTR_ATT_NAME "fstratt"
|
|
#define FSTR_VAR_NAME "fstrvar"
|
|
#define INT_ATT_NAME "intatt"
|
|
#define INT_VAR_NAME "intvar"
|
|
|
|
int
|
|
add_attrs(hid_t objid)
|
|
{
|
|
hid_t scalar_spaceid = -1;
|
|
hid_t vlstr_typeid = -1, fixstr_typeid = -1;
|
|
char *vlstr;
|
|
hid_t attid = -1;
|
|
|
|
/* Create scalar dataspace */
|
|
if ((scalar_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR_GOTO;
|
|
|
|
/* Create string datatypes */
|
|
if ((vlstr_typeid = H5Tcreate(H5T_STRING, (size_t)H5T_VARIABLE)) < 0) ERR_GOTO;
|
|
if ((fixstr_typeid = H5Tcreate(H5T_STRING, (size_t)10)) < 0) ERR_GOTO;
|
|
|
|
|
|
/* Create attribute with VL string datatype on object */
|
|
if ((attid = H5Acreate2(objid, VSTR_ATT1_NAME, vlstr_typeid, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
/* No write, use fill value */
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
/* Create attribute with VL string datatype on object */
|
|
if ((attid = H5Acreate2(objid, VSTR_ATT2_NAME, vlstr_typeid, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
vlstr = NULL;
|
|
if (H5Awrite(attid, vlstr_typeid, &vlstr) < 0) ERR_GOTO;
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
/* Create attribute with VL string datatype on object */
|
|
if ((attid = H5Acreate2(objid, VSTR_ATT3_NAME, vlstr_typeid, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
vlstr = malloc(10);
|
|
*vlstr = '\0';
|
|
if (H5Awrite(attid, vlstr_typeid, &vlstr) < 0) ERR_GOTO;
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
/* Create attribute with VL string datatype on object */
|
|
if ((attid = H5Acreate2(objid, VSTR_ATT4_NAME, vlstr_typeid, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
strcpy(vlstr, "foo");
|
|
if (H5Awrite(attid, vlstr_typeid, &vlstr) < 0) ERR_GOTO;
|
|
free(vlstr);
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
/* Create attribute with fixed-length string datatype on object */
|
|
if ((attid = H5Acreate2(objid, FSTR_ATT_NAME, fixstr_typeid, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
/* Create attribute with native integer datatype on object */
|
|
if ((attid = H5Acreate2(objid, INT_ATT_NAME, H5T_NATIVE_INT, scalar_spaceid, H5P_DEFAULT, H5P_DEFAULT)) < 0) ERR_GOTO;
|
|
if (H5Aclose(attid) < 0) ERR_GOTO;
|
|
|
|
|
|
/* Clean up objects created */
|
|
if (H5Sclose(scalar_spaceid) < 0) ERR_GOTO;
|
|
if (H5Tclose(vlstr_typeid) < 0) ERR_GOTO;
|
|
if (H5Tclose(fixstr_typeid) < 0) ERR_GOTO;
|
|
|
|
return(0);
|
|
|
|
error:
|
|
H5E_BEGIN_TRY {
|
|
H5Aclose(attid);
|
|
H5Sclose(scalar_spaceid);
|
|
H5Tclose(vlstr_typeid);
|
|
H5Tclose(fixstr_typeid);
|
|
} H5E_END_TRY;
|
|
return(-1);
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
printf("\n*** Create file with datasets & attributes that have scalar dataspaces...");
|
|
{
|
|
hid_t fileid;
|
|
hid_t fcplid;
|
|
hid_t dsetid;
|
|
hid_t dcplid;
|
|
hid_t scalar_spaceid;
|
|
hid_t vlstr_typeid, fixstr_typeid;
|
|
|
|
/* Create scalar dataspace */
|
|
if ((scalar_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
|
|
|
|
/* Set creation ordering for file, so we can revise its contents later */
|
|
if ((fcplid = H5Pcreate(H5P_FILE_CREATE)) < 0) ERR;
|
|
if (H5Pset_link_creation_order(fcplid, H5P_CRT_ORDER_TRACKED) < 0) ERR;
|
|
if (H5Pset_attr_creation_order(fcplid, H5P_CRT_ORDER_TRACKED) < 0) ERR;
|
|
|
|
/* Create new file, using default properties */
|
|
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, fcplid, H5P_DEFAULT)) < 0) ERR;
|
|
|
|
/* Close file creation property list */
|
|
if (H5Pclose(fcplid) < 0) ERR;
|
|
|
|
|
|
/* Create variable-length string datatype */
|
|
if ((vlstr_typeid = H5Tcreate(H5T_STRING, (size_t)H5T_VARIABLE)) < 0) ERR;
|
|
|
|
/* Create fixed-length string datatype */
|
|
if ((fixstr_typeid = H5Tcreate(H5T_STRING, (size_t)10)) < 0) ERR;
|
|
|
|
|
|
/* Set creation ordering for dataset, so we can revise its contents later */
|
|
if ((dcplid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
|
|
if (H5Pset_attr_creation_order(dcplid, H5P_CRT_ORDER_TRACKED) < 0) ERR;
|
|
|
|
|
|
/* Create scalar dataset with VL string datatype */
|
|
if ((dsetid = H5Dcreate2(fileid, VSTR_VAR1_NAME, vlstr_typeid, scalar_spaceid, H5P_DEFAULT, dcplid, H5P_DEFAULT)) < 0) ERR;
|
|
|
|
/* Add attributes to dataset */
|
|
if (add_attrs(dsetid) < 0) ERR;
|
|
|
|
/* Close VL string dataset */
|
|
if (H5Dclose(dsetid) < 0) ERR;
|
|
|
|
|
|
/* Create scalar dataset with fixed-length string datatype */
|
|
if ((dsetid = H5Dcreate2(fileid, FSTR_VAR_NAME, fixstr_typeid, scalar_spaceid, H5P_DEFAULT, dcplid, H5P_DEFAULT)) < 0) ERR;
|
|
|
|
/* Add attributes to dataset */
|
|
if (add_attrs(dsetid) < 0) ERR;
|
|
|
|
/* Close fixed-length string dataset */
|
|
if (H5Dclose(dsetid) < 0) ERR;
|
|
|
|
|
|
/* Create scalar dataset with native integer datatype */
|
|
if ((dsetid = H5Dcreate2(fileid, INT_VAR_NAME, H5T_NATIVE_INT, scalar_spaceid, H5P_DEFAULT, dcplid, H5P_DEFAULT)) < 0) ERR;
|
|
|
|
/* Add attributes to dataset */
|
|
if (add_attrs(dsetid) < 0) ERR;
|
|
|
|
/* Close native integer dataset */
|
|
if (H5Dclose(dsetid) < 0) ERR;
|
|
|
|
|
|
/* Add attributes to root group */
|
|
if (add_attrs(fileid) < 0) ERR;
|
|
|
|
|
|
/* Close dataset creation property list */
|
|
if (H5Pclose(dcplid) < 0) ERR;
|
|
|
|
/* Close string datatypes */
|
|
if (H5Tclose(vlstr_typeid) < 0) ERR;
|
|
if (H5Tclose(fixstr_typeid) < 0) ERR;
|
|
|
|
|
|
/* Close rest */
|
|
if (H5Sclose(scalar_spaceid) < 0) ERR;
|
|
if (H5Fclose(fileid) < 0) ERR;
|
|
}
|
|
SUMMARIZE_ERR;
|
|
|
|
printf("*** Revise file through netCDF-4 API...");
|
|
{
|
|
int ncid, varid;
|
|
char *vlstr;
|
|
|
|
if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
|
|
|
|
|
|
/* Define new VL string variable */
|
|
if (nc_def_var(ncid, VSTR_VAR2_NAME , NC_STRING, 0, NULL, &varid)) ERR;
|
|
|
|
/* Write to the variable */
|
|
vlstr = NULL;
|
|
if (nc_put_var(ncid, varid, &vlstr)) ERR;
|
|
|
|
|
|
/* Define new VL string variable */
|
|
if (nc_def_var(ncid, VSTR_VAR3_NAME , NC_STRING, 0, NULL, &varid)) ERR;
|
|
|
|
/* Write to the variable */
|
|
vlstr = malloc(10);
|
|
*vlstr = '\0';
|
|
if (nc_put_var(ncid, varid, &vlstr)) ERR;
|
|
|
|
|
|
/* Define new VL string variable */
|
|
if (nc_def_var(ncid, VSTR_VAR4_NAME , NC_STRING, 0, NULL, &varid)) ERR;
|
|
|
|
/* Write to the variable */
|
|
strcpy(vlstr, "foo");
|
|
if (nc_put_var(ncid, varid, &vlstr)) ERR;
|
|
free(vlstr);
|
|
|
|
|
|
if (nc_close(ncid)) ERR;
|
|
}
|
|
SUMMARIZE_ERR;
|
|
|
|
FINAL_RESULTS;
|
|
}
|