mirror of https://github.com/ecmwf/eccodes.git
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
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/*
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* (C) Copyright 2005- ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "grib_api.h"
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int main(int argc, char** argv)
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{
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int err = 0;
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double lat, lon, value;
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int n = 0;
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const int numberOfDataPoints = 13280;
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const char* sample_filename = "gg_sfc_grib2";
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grib_handle* h = NULL;
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grib_iterator* iter = NULL;
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h = grib_handle_new_from_samples(0, sample_filename);
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assert(h);
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iter = grib_iterator_new(h, 0, &err);
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assert(!err);
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assert(iter);
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assert(grib_iterator_has_next(iter));
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n = 0;
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while (grib_iterator_next(iter, &lat, &lon, &value)) {
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if (n < numberOfDataPoints - 1)
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assert(grib_iterator_has_next(iter));
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n++;
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}
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assert(n == numberOfDataPoints);
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assert(grib_iterator_has_next(iter) == 0);
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grib_iterator_delete(iter);
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grib_handle_delete(h);
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return 0;
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}
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