mirror of https://github.com/ecmwf/eccodes.git
64 lines
1.8 KiB
C++
64 lines
1.8 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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#include <unistd.h>
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int main(int argc, char* argv[])
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{
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char *filename = NULL;
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int err = 0;
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int num_messages = 0, i = 0, do_offsets = 0, do_sizes = 0, oc = 0;
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off_t* offsets = NULL; // array of message offsets
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size_t* sizes = NULL; // array of message sizes
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codes_context* c = codes_context_get_default();
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const int strict_mode = 1;
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assert(argc == 3 || argc == 4);
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while ((oc = getopt(argc, argv, "os")) != -1) {
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switch (oc) {
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case 'o':
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do_offsets = 1;
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break;
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case 's':
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do_sizes = 1;
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break;
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}
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}
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filename = argv[optind];
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if (do_offsets) {
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err = codes_extract_offsets_malloc(c, filename, PRODUCT_ANY, &offsets, &num_messages, strict_mode);
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if (err) return err;
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for (i = 0; i < num_messages; ++i) {
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printf("%lu\n", (unsigned long)offsets[i]);
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}
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}
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if (do_sizes) {
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// Version getting offsets as well as sizes of messages
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err = codes_extract_offsets_sizes_malloc(c, filename, PRODUCT_ANY, &offsets, &sizes, &num_messages, strict_mode);
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if (err) return err;
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for (i = 0; i < num_messages; ++i) {
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printf("%zu\n", sizes[i]);
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}
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free(sizes);
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}
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free(offsets);
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return 0;
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}
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