mirror of https://github.com/ecmwf/eccodes.git
98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
/*
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* Copyright 2005-2016 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 "ecCodes_internal.h"
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void usage(char* prog) {
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printf("usage: %s infile outfile \n",prog);
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exit(1);
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}
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int main(int argc,char* argv[]) {
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FILE* infh;
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FILE* outfh;
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char* filename;
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char* ofilename;
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void* mesg=NULL;
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void* mesgo=NULL;
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size_t size=0;
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size_t osize=0;
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off_t offset=0;
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int write;
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int err=0;
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int error=0;
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int count=0;
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int edition=0;
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grib_context* c=grib_context_get_default();
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if (argc !=3) usage(argv[0]);
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n=0;
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filename=argv[1];
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infh=fopen(filename,"r");
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if (!infh) {
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perror(filename);
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exit(1);
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}
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ofilename=argv[1];
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outfh=fopen(ofilename,"w");
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if (!outfh) {
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perror(ofilename);
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exit(1);
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}
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count=0;
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while ( (mesg=wmo_read_bufr_from_file_malloc ( infh,0, &size,&offset,&err))!=NULL ) {
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if (err && err!=GRIB_END_OF_FILE) {
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grib_context_log(c,GRIB_LOG_ERROR,
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"unable to decode message: %s \n",grib_get_error_message(err));
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error=err;
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}
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edition=mesg[7];
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write=1;
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switch (edition ) {
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case 3:
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omesg=grib_context_malloc_clear(c,size+4);
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memcpy(omesg,mesg,7);
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omesg[7]=4;
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osize=8;
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break;
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case 4:
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omesg=mesg;
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break;
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default :
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error=1;
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write=0;
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grib_context_log(c,GRIB_LOG_ERROR,
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"wrong edition %d, skipping message",edition);
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}
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if (write) {
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if(fwrite(omesg,1,osize,outfh) != osize) {
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perror(ofilename);
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exit(1);
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}
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}
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if (mesg) {grib_context_free(c,mesg);mesg=NULL;}
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if (omesg) {grib_context_free(c,omesg);omesg=NULL;}
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count++;
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}
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fclose(infh);
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fclose(outfh);
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return error;
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}
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