mirror of https://github.com/ecmwf/eccodes.git
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/*
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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 "grib_api.h"
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static void usage(const char* progname)
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{
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printf("\nUsage: %s grib_in grib_out\n", progname);
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exit(1);
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}
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int main(int argc, char* argv[])
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{
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grib_handle* h = NULL;
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FILE* inf = NULL;
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FILE* ouf = NULL;
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char* infile = 0;
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char* oufile = 0;
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int err = 0;
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size_t size;
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const void* buffer = NULL;
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if (argc < 3)
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usage(argv[0]);
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infile = argv[1];
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oufile = argv[2];
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inf = fopen(infile, "r");
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if (!inf) {
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perror(infile);
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exit(1);
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}
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ouf = fopen(oufile, "w");
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if (!ouf) {
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perror(oufile);
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exit(1);
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}
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while ((h = grib_handle_new_from_file(0, inf, &err)) != NULL) {
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grib_update_sections_lengths(h);
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GRIB_CHECK(grib_get_message(h, &buffer, &size), 0);
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if (fwrite(buffer, 1, size, ouf) != size) {
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perror(oufile);
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exit(1);
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}
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}
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grib_handle_delete(h);
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if (fclose(inf)) {
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perror(infile);
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exit(1);
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}
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if (fclose(ouf)) {
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perror(oufile);
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exit(1);
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}
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return 0;
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}
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