eccodes/tests/bufr_read_header.c

69 lines
1.7 KiB
C

/*
* Copyright 2005-2015 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 "eccodes.h"
void usage(char* prog) {
printf("usage: %s infile\n",prog);
exit(1);
}
int main(int argc,char* argv[])
{
char* filename;
FILE* f;
codes_handle* h=NULL;
long longVal;
int count;
int err=0;
int header_only=1;
if (argc!=2) usage(argv[0]);
filename=argv[1];
f=fopen(filename,"r");
if (!f) {
perror(filename);
exit(1);
}
count=1;
while((h=bufr_new_from_file(NULL,f,header_only,&err)) != NULL)
{
/* Check for errors after reading a message. */
if (err != CODES_SUCCESS) CODES_CHECK(err,0);
printf("=======================================\n");
printf("message no: %d\n",count);
/*From section 0 */
CODES_CHECK(codes_get_long(h,"totalLength",&longVal),0);
printf("\ttotalLength: %ld\n",longVal);
/*From section 1 */
CODES_CHECK(codes_get_long(h,"centre",&longVal),0);
printf("\tcentre: %ld\n",longVal);
/*From section 2 */
CODES_CHECK(codes_get_long(h,"rdbtimeDay",&longVal),0);
printf("\trdbtimeDay: %ld\n",longVal);
/*From section 3 */
/*CODES_CHECK(codes_get_long(h,"numberOfSubsets",&longVal),0);
printf("\tnumberOfSubsets: %d\n",longVal);*/
count++;
codes_handle_delete(h);
}
fclose(f);
return 0;
}