- function hdf5_get_dataset_info_by_name() added

- args of function hdf5_get_npoints_of_dataset_by_name() are now const

src/h5core/h5_hdf5.c

@@ -435,8 +435,8 @@ hdf5_get_npoints_of_dataset (
 
 h5_ssize_t
 hdf5_get_npoints_of_dataset_by_name (
-	hid_t loc_id,
-	char* name
+	const hid_t loc_id,
+	const char* const name
 	) {
 	HDF5_WRAPPER_ENTER3 (h5_ssize_t,
 			     "loc_id=%d (%s), name=\"%s\"",
@@ -1628,6 +1628,32 @@ hdf5_get_dataset_info_by_idx (
 	H5_CORE_API_RETURN (H5_SUCCESS);
 }
 
+h5_err_t
+hdf5_get_dataset_info_by_name (
+	const hid_t loc_id,		/*!< [in]  Group */
+	const hsize_t idx,		/*!< [in]  Index of the dataset */
+	const char* name,		/*!< [in] Name of dataset */
+	h5_int64_t* const type,		/*!< [out] Type of data in dataset */
+	hsize_t* const npoints		/*!< [out] Number of elements. */
+	) {
+	HDF5_WRAPPER_ENTER4 (h5_err_t,
+			     "loc_id=%d (%s), idx=%llu, name=\"%s\"",
+			     loc_id, hdf5_get_objname (loc_id),
+			     idx, name);
+	if (npoints) {
+		h5_ssize_t np;
+		TRY (np = hdf5_get_npoints_of_dataset_by_name (loc_id, name));
+		*npoints = np;
+	}
+
+	if (type) {
+		h5_int64_t t;
+		TRY (t = h5_get_dataset_type (loc_id, name));
+		*type = t;
+	}
+	H5_CORE_API_RETURN (H5_SUCCESS);
+}
+
 /****** I d e n t i f i e r **************************************************/
 
 const char *

src/h5core/h5_hdf5_private.h

@@ -97,8 +97,8 @@ hdf5_get_npoints_of_dataset (
 
 h5_ssize_t
 hdf5_get_npoints_of_dataset_by_name (
-	hid_t loc_id,
-	char* name
+	const hid_t loc_id,
+	const char* const name
 	);
 
 /*** dataspace ***/
@@ -377,4 +377,13 @@ hdf5_delete_link (
 	hid_t lapl_id
 	);
 
+/*** other ***/
+h5_err_t
+hdf5_get_dataset_info_by_name (
+	const hid_t loc_id,
+	const hsize_t idx,
+	const char* name,
+	h5_int64_t* const type,
+	hsize_t* const npoints
+	);
 #endif