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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_internal.h"
int main(int argc, char** argv)
{
int err = 0;
size_t size = 0;
FILE* in = NULL;
const char* infile = "../data/test_uuid.grib2";
FILE* out = NULL;
const char* outfile = "temp.grib_set_bytes_test.grib";
grib_handle* h = NULL;
const void* buffer = NULL;
unsigned char uuid_short[] = { /* not enough bytes */
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x52,
0x07, 0x20, 0x40
};
unsigned char uuid_good[] = { /* Just the right size i.e. 16 bytes */
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x52,
0x07, 0x20, 0x40, 0x53
};
unsigned char uuid_long[] = { /* Too many bytes */
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x51,
0x07, 0x20, 0x40, 0x52,
0x07, 0x20, 0x40, 0x53,
0x00, 0x01
};
size_t uuid_short_len = sizeof (uuid_short);
size_t uuid_good_len = sizeof (uuid_good);
size_t uuid_long_len = sizeof (uuid_long);
in = fopen(infile, "rb");
ECCODES_ASSERT(in);
out = fopen(outfile, "wb");
ECCODES_ASSERT(out);
h = grib_handle_new_from_file(0, in, &err);
ECCODES_ASSERT(h);
/* The uuidOfVGrid key is 16 bytes long */
err = grib_set_bytes(h, "uuidOfVGrid", uuid_short, &uuid_short_len);
ECCODES_ASSERT(err == GRIB_BUFFER_TOO_SMALL);
err = grib_set_bytes(h, "uuidOfVGrid", uuid_long, &uuid_long_len);
ECCODES_ASSERT(err == GRIB_BUFFER_TOO_SMALL);
/* This one should work */
err = grib_set_bytes(h, "uuidOfVGrid", uuid_good, &uuid_good_len);
ECCODES_ASSERT(err == 0);
GRIB_CHECK(grib_get_message(h, &buffer, &size), 0);
if (fwrite(buffer, 1, size, out) != size) {
perror(argv[1]);
exit(1);
}
grib_handle_delete(h);
fclose(in);
fclose(out);
return 0;
}
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