eccodes/examples/C/values_check.c

65 lines
1.8 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.h"
int main(int argc, char* argv[])
{
FILE* f;
int err = 0;
char infile[] = "../../data/reduced_gaussian_model_level.grib1";
codes_handle* h = NULL;
codes_context* c = codes_context_get_default();
codes_values values[2];
int nvalues = 2;
int i;
char* name = NULL;
f = fopen(infile, "rb");
if (!f) {
perror(infile);
exit(1);
}
h = codes_handle_new_from_file(c, f, PRODUCT_GRIB, &err);
if (!h) {
fprintf(stderr, "unable to create handle from file %s\n", infile);
exit(err);
}
fclose(f);
values[0].type = CODES_TYPE_LONG;
values[0].name = "centre";
values[0].long_value = 98;
values[1].type = CODES_TYPE_LONG;
values[1].name = "level";
values[1].long_value = 2;
/*CODES_VALUE_DIFFERENT -> value is different*/
err = codes_values_check(h, values, nvalues);
if (err) {
for (i = 0; i < nvalues; i++) {
if (values[i].error == err) name = (char*)values[i].name;
}
fprintf(stderr, "Error: \"%s\" %s\n", name, codes_get_error_message(err));
}
values[1].name = "levelll";
err = codes_values_check(h, values, nvalues);
if (err) {
for (i = 0; i < nvalues; i++) {
if (values[i].error == err) name = (char*)values[i].name;
}
fprintf(stderr, "Error: \"%s\" %s\n", name, codes_get_error_message(err));
}
return 0;
}