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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 <stdlib.h>
#include "grib_api.h"
static void usage(const char* progname)
{
printf("\nUsage: %s grib_in grib_out\n", progname);
exit(1);
}
int main(int argc, char* argv[])
{
grib_handle* h = NULL;
FILE* inf = NULL;
FILE* ouf = NULL;
char* infile = 0;
char* oufile = 0;
int err = 0;
size_t size;
const void* buffer = NULL;
if (argc < 3)
usage(argv[0]);
infile = argv[1];
oufile = argv[2];
inf = fopen(infile, "r");
if (!inf) {
perror(infile);
exit(1);
}
ouf = fopen(oufile, "w");
if (!ouf) {
perror(oufile);
exit(1);
}
while ((h = grib_handle_new_from_file(0, inf, &err)) != NULL) {
grib_update_sections_lengths(h);
GRIB_CHECK(grib_get_message(h, &buffer, &size), 0);
if (fwrite(buffer, 1, size, ouf) != size) {
perror(oufile);
exit(1);
}
}
grib_handle_delete(h);
if (fclose(inf)) {
perror(infile);
exit(1);
}
if (fclose(ouf)) {
perror(oufile);
exit(1);
}
return 0;
}
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