mirror of https://github.com/ecmwf/eccodes.git
55 lines
1.5 KiB
C++
Executable File
55 lines
1.5 KiB
C++
Executable File
/*
|
|
* (C) Copyright 2005- ECMWF.
|
|
*
|
|
* This software is licensed under the terms of the Apache Licence Version 2.0
|
|
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
|
|
*
|
|
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
|
|
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
|
|
*/
|
|
|
|
#include "grib_api_internal.h"
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
FILE* in = NULL;
|
|
int err = 0;
|
|
grib_handle* h_full = NULL;
|
|
grib_keys_iterator* iter = NULL;
|
|
const char* name = NULL;
|
|
const void* msg1 = NULL;
|
|
const char* infilename = NULL;
|
|
size_t size1 = 0;
|
|
grib_handle* h_partial = 0;
|
|
|
|
Assert(argc == 2);
|
|
infilename = argv[1];
|
|
|
|
printf("Processing file %s\n", infilename);
|
|
in = fopen(infilename, "rb");
|
|
Assert(in);
|
|
|
|
h_full = grib_handle_new_from_file(0, in, &err);
|
|
Assert(h_full);
|
|
Assert(!err);
|
|
|
|
GRIB_CHECK(grib_get_message_headers(h_full, &msg1, &size1), 0);
|
|
|
|
h_partial = grib_handle_new_from_partial_message(h_full->context, msg1, size1);
|
|
Assert(h_partial);
|
|
|
|
iter = grib_keys_iterator_new(h_partial, GRIB_KEYS_ITERATOR_SKIP_COMPUTED, NULL);
|
|
Assert(iter);
|
|
|
|
while (grib_keys_iterator_next(iter)) {
|
|
name = grib_keys_iterator_get_name(iter);
|
|
printf("Header key=%s\n", name);
|
|
}
|
|
|
|
grib_keys_iterator_delete(iter);
|
|
grib_handle_delete(h_partial);
|
|
grib_handle_delete(h_full);
|
|
fclose(in);
|
|
return 0;
|
|
}
|