mirror of https://github.com/ecmwf/eccodes.git
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* (C) Copyright 2005- 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: bufr_get_string_array
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*
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* Description: how to get an array of strings from a BUFR message.
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*
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*/
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#include "eccodes.h"
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int main(int argc, char* argv[])
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{
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codes_handle* h = NULL;
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size_t i = 0, size = 0;
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size_t len = 0;
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int err = 0, cnt = 0;
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char** strArray = NULL; /* array of strings */
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const char* infile = "../../data/bufr/pgps_110.bufr";
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FILE* in = fopen(infile, "rb");
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if (!in) {
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fprintf(stderr, "Error: unable to open file %s\n", infile);
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return 1;
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}
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/* loop over the messages in the BUFR file */
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while ((h = codes_handle_new_from_file(NULL, in, PRODUCT_BUFR, &err)) != NULL || err != CODES_SUCCESS) {
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if (h == NULL) {
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fprintf(stderr, "Error: unable to create handle for message %d\n", cnt);
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cnt++;
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continue;
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}
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/* we need to instruct ecCodes to expand the descriptors
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i.e. unpack the data values */
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CODES_CHECK(codes_set_long(h, "unpack", 1), 0);
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/* get the size and allocate memory */
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CODES_CHECK(codes_get_size(h, "stationOrSiteName", &len), 0);
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strArray = (char**)malloc(len * sizeof(char*));
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if (!strArray) {
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fprintf(stderr, "Error: Could not allocate memory\n");
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return 1;
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}
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CODES_CHECK(codes_get_string_array(h, "stationOrSiteName", strArray, &size), 0);
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for (i = 0; i < size; ++i) {
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printf("%s\n", strArray[i]);
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}
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printf("stationOrSiteName string array size = %zu\n", size);
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/* free allocated arrays */
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for (i = 0; i < size; ++i)
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free(strArray[i]);
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free(strArray);
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/* delete handle */
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codes_handle_delete(h);
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cnt++;
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}
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fclose(in);
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return 0;
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}
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