mirror of https://github.com/ecmwf/eccodes.git
49 lines
1.1 KiB
C++
49 lines
1.1 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 "grib_api_internal.h"
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#define SIZE 1024 * 1024
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char buffer[SIZE];
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static long readcb(void* data, void* buffer, long len)
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{
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//long l = handle->read(buffer, len);
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// ecCodes interprets a -1 as EOF
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//return l == 0 ? -1 : l;
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return -1;
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}
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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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FILE* in = NULL;
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size_t len = SIZE;
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grib_handle* h = NULL;
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if (argc != 2) return 1;
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in = fopen(argv[1], "r");
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if (!in) return 1;
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h = grib_handle_new_from_file(0, in, &err);
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if (!h) return 1;
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const void* data = NULL;
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GRIB_CHECK(grib_get_message(h, &data, &len), 0);
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err = wmo_read_any_from_stream( (void*)data, &readcb, buffer, &len );
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printf("err = %d \n",err);
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return 0;
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}
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