mirror of https://github.com/ecmwf/eccodes.git
105 lines
2.5 KiB
C
105 lines
2.5 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 "ecCodes_internal.h"
|
|
|
|
void usage(char* prog)
|
|
{
|
|
printf("usage: %s infile outfile \n", prog);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
FILE* infh;
|
|
FILE* outfh;
|
|
char* filename;
|
|
char* ofilename;
|
|
void* mesg = NULL;
|
|
void* mesgo = NULL;
|
|
size_t size = 0;
|
|
size_t osize = 0;
|
|
off_t offset = 0;
|
|
int write;
|
|
int err = 0;
|
|
int error = 0;
|
|
int count = 0;
|
|
int edition = 0;
|
|
grib_context* c = grib_context_get_default();
|
|
|
|
if (argc != 3)
|
|
usage(argv[0]);
|
|
|
|
n = 0;
|
|
filename = argv[1];
|
|
infh = fopen(filename, "r");
|
|
if (!infh) {
|
|
perror(filename);
|
|
exit(1);
|
|
}
|
|
|
|
ofilename = argv[1];
|
|
outfh = fopen(ofilename, "w");
|
|
if (!outfh) {
|
|
perror(ofilename);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
count = 0;
|
|
while ((mesg = wmo_read_bufr_from_file_malloc(infh, 0, &size, &offset, &err)) != NULL) {
|
|
if (err && err != GRIB_END_OF_FILE) {
|
|
grib_context_log(c, GRIB_LOG_ERROR,
|
|
"unable to decode message: %s \n", grib_get_error_message(err));
|
|
error = err;
|
|
}
|
|
edition = mesg[7];
|
|
write = 1;
|
|
switch (edition) {
|
|
case 3:
|
|
omesg = grib_context_malloc_clear(c, size + 4);
|
|
memcpy(omesg, mesg, 7);
|
|
omesg[7] = 4;
|
|
osize = 8;
|
|
break;
|
|
case 4:
|
|
omesg = mesg;
|
|
break;
|
|
default:
|
|
error = 1;
|
|
write = 0;
|
|
grib_context_log(c, GRIB_LOG_ERROR,
|
|
"wrong edition %d, skipping message", edition);
|
|
}
|
|
if (write) {
|
|
if (fwrite(omesg, 1, osize, outfh) != osize) {
|
|
perror(ofilename);
|
|
exit(1);
|
|
}
|
|
}
|
|
if (mesg) {
|
|
grib_context_free(c, mesg);
|
|
mesg = NULL;
|
|
}
|
|
if (omesg) {
|
|
grib_context_free(c, omesg);
|
|
omesg = NULL;
|
|
}
|
|
count++;
|
|
}
|
|
|
|
|
|
fclose(infh);
|
|
fclose(outfh);
|
|
|
|
return error;
|
|
}
|