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/*
* (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.
*/
/*
* C Implementation: bufr_get_string_array
*
* Description: how to get an array of strings from a BUFR message.
*
*/
#include "eccodes.h"
int main(int argc, char* argv[])
{
codes_handle* h = NULL;
size_t i = 0, size = 0;
size_t len = 0;
int err = 0, cnt = 0;
char** strArray = NULL; /* array of strings */
const char* infile = "../../data/bufr/pgps_110.bufr";
FILE* in = fopen(infile, "rb");
if (!in) {
fprintf(stderr, "Error: unable to open file %s\n", infile);
return 1;
}
/* loop over the messages in the bufr file */
while ((h = codes_handle_new_from_file(NULL, in, PRODUCT_BUFR, &err)) != NULL || err != CODES_SUCCESS) {
if (h == NULL) {
fprintf(stderr, "Error: unable to create handle for message %d\n", cnt);
cnt++;
continue;
}
/* we need to instruct ecCodes to expand the descriptors
i.e. unpack the data values */
CODES_CHECK(codes_set_long(h, "unpack", 1), 0);
/* get the size and allocate memory */
CODES_CHECK(codes_get_size(h, "stationOrSiteName", &len), 0);
strArray = (char**)malloc(len * sizeof(char*));
if (!strArray) {
fprintf(stderr, "Error: Could not allocate memory\n");
return 1;
}
CODES_CHECK(codes_get_string_array(h, "stationOrSiteName", strArray, &size), 0);
for (i = 0; i < size; ++i) {
printf("%s\n", strArray[i]);
}
printf("stationOrSiteName string array size = %lu\n", (unsigned long)size);
/* free allocated arrays */
for (i = 0; i < size; ++i)
free(strArray[i]);
free(strArray);
/* delete handle */
codes_handle_delete(h);
cnt++;
}
fclose(in);
return 0;
}
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