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/*
* (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 <stdio.h>
#include "grib_api_internal.h"
#define SIZE 1024 * 1024
char buffer[SIZE];
static long readcb(void* data, void* buffer, long len)
{
//long l = handle->read(buffer, len);
// ecCodes interprets a -1 as EOF
//return l == 0 ? -1 : l;
return -1;
}
int main(int argc, char** argv)
{
int err = 0;
FILE* in = NULL;
size_t len = SIZE;
grib_handle* h = NULL;
if (argc != 2) return 1;
in = fopen(argv[1], "r");
if (!in) return 1;
h = grib_handle_new_from_file(0, in, &err);
if (!h) return 1;
const void* data = NULL;
GRIB_CHECK(grib_get_message(h, &data, &len), 0);
err = wmo_read_any_from_stream( (void*)data, &readcb, buffer, &len );
printf("err = %d \n",err);
return 0;
}
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