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/************************************************************
This example shows how to iterate over group members using
H5Literate.
************************************************************/
#include "hdf5.h"
#include <stdio.h>
#define FILE "h5ex_g_iterate.h5"
/*
* Operator function to be called by H5Literate.
*/
herr_t op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_data);
int
main(void)
{
hid_t file; /* Handle */
herr_t status;
/*
* Open file.
*/
file = H5Fopen(FILE, H5F_ACC_RDONLY, H5P_DEFAULT);
/*
* Begin iteration.
*/
printf("Objects in root group:\n");
status = H5Literate(file, H5_INDEX_NAME, H5_ITER_NATIVE, NULL, op_func, NULL);
/*
* Close and release resources.
*/
status = H5Fclose(file);
return 0;
}
/************************************************************
Operator function. Prints the name and type of the object
being examined.
************************************************************/
herr_t
op_func(hid_t loc_id, const char *name, const H5L_info_t *info, void *operator_data)
{
herr_t status;
H5O_info_t infobuf;
/*
* Get type of the object and display its name and type.
* The name of the object is passed to this function by
* the Library.
*/
#if H5_VERSION_GE(1, 12, 0) && !defined(H5_USE_110_API) && !defined(H5_USE_18_API) && !defined(H5_USE_16_API)
status = H5Oget_info_by_name(loc_id, name, &infobuf, H5O_INFO_ALL, H5P_DEFAULT);
#else
status = H5Oget_info_by_name(loc_id, name, &infobuf, H5P_DEFAULT);
#endif
switch (infobuf.type) {
case H5O_TYPE_GROUP:
printf(" Group: %s\n", name);
break;
case H5O_TYPE_DATASET:
printf(" Dataset: %s\n", name);
break;
case H5O_TYPE_NAMED_DATATYPE:
printf(" Datatype: %s\n", name);
break;
default:
printf(" Unknown: %s\n", name);
}
return 0;
}
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