mirror of https://github.com/ecmwf/eccodes.git
88 lines
1.5 KiB
C
88 lines
1.5 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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/*
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* C Implementation: grib_get
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*
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* Description:
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include "grib_api_internal.h"
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void usage( char*);
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int main(int argc, char *argv[])
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{
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FILE *f=NULL;
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char* infname=NULL;
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int ret=0;
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grib_context* gc;
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grib_handle* h;
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FILE* of=NULL;
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const void* buffer=NULL;
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size_t size=0;
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char* ofname=NULL;
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if ( argc < 3 ) usage(argv[0]);
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infname=argv[1];
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ofname=argv[2];
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f = fopen(infname,"r");
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if(!f) {
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perror(infname);
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exit(1);
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}
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gc = grib_context_get_default();
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h=grib_handle_new(gc);
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if (!h) {
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printf("Error: unable to create handle\n");
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exit(1);
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}
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GRIB_CHECK(grib_load_from_text_file(h,f),infname);
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if(fclose(f)) {
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perror(infname);
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exit(1);
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}
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of = fopen(ofname,"w");
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if(!of) {
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perror(ofname);
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exit(1);
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}
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grib_get_message(h,&buffer,&size);
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if(fwrite(buffer,1,size,of) != size) {
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perror(ofname);
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exit(1);
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}
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if(fclose(of)) {
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perror(ofname);
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exit(1);
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}
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return ret;
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}
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void usage(char* progname) {
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printf("\nUsage: %s dump_file outfile.grib\n",progname);
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exit(1);
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}
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