mirror of https://github.com/ecmwf/eccodes.git
47 lines
1.2 KiB
C++
47 lines
1.2 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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#include "eccodes.h"
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#undef NDEBUG
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#include <assert.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 len = 0;
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int err = 0;
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assert(argc == 3);
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const char* infile = argv[1];
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FILE* in = fopen(infile, "rb");
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assert(in);
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char* key = argv[2];
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char kvalue[2] = {0,}; // deliberately short
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h = codes_handle_new_from_file(NULL, in, PRODUCT_ANY, &err);
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assert(h);
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assert(!err);
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CODES_CHECK(codes_get_length(h, key, &len), 0);
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printf("Correct len=|%zu|\n", len);
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len = 1; // Cause it to fail
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err = codes_get_string(h, key, kvalue, &len);
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//printf("err=%d kvalue=|%s|\n", err, kvalue);
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assert(err == CODES_BUFFER_TOO_SMALL);
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// The correct len should have been set
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assert(len > 1);
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codes_handle_delete(h);
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fclose(in);
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return 0;
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}
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