eccodes/tests/grib_update_sections_length...

51 lines
1.2 KiB
C++

/*
* (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[])
{
grib_handle* h = NULL;
FILE* inf = NULL;
FILE* ouf = NULL;
char* infile = 0;
char* oufile = 0;
int err = 0;
size_t size = 0;
const void* buffer = NULL;
if (argc < 3) return 1; // prog in out
infile = argv[1];
oufile = argv[2];
inf = fopen(infile, "rb");
ECCODES_ASSERT(inf);
ouf = fopen(oufile, "wb");
ECCODES_ASSERT(ouf);
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);
printf("size = %zu\n", size);
if (fwrite(buffer, 1, size, ouf) != size) {
perror(oufile);
exit(1);
}
}
grib_handle_delete(h);
fclose(inf);
fclose(ouf);
return 0;
}