eccodes/tools/grib_corruption_check.c

59 lines
1.3 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 "grib_api.h"
void usage(char* prog) {
printf("usage: %s gribfile\n",prog);
exit(1);
}
int main(int argc,char* argv[]) {
FILE* fh;
int err=0;
grib_handle* h;
long binaryScaleFactor=0;
double max=0,min=0;
long paramId=0;
int count=0;
if (argc!=2) usage(argv[0]);
fh=fopen(argv[1],"r");
if (!fh) {
perror(argv[1]);
exit(1);
}
while ((h=grib_handle_new_from_file(0,fh,&err))!=NULL) {
count++;
grib_get_long(h,"paramId",&paramId);
if (paramId!=246 && paramId!=247) {grib_handle_delete(h); continue;}
grib_get_long(h,"binaryScaleFactor",&binaryScaleFactor);
if (binaryScaleFactor!=0) { grib_handle_delete(h); continue;}
grib_get_double(h,"max",&max);
grib_get_double(h,"min",&min);
if (max!=min) {
printf("grib_corruption_check: field #%d corrupted: max=%g min=%g\n",count,max,min);
grib_handle_delete(h);
return 1;
}
grib_handle_delete(h);
}
fclose(fh);
return 0;
}