#include "cbor.h"
#include <stdio.h>

/*
 * Reads data from a file. Example usage:
 * $ ./examples/readfile examples/data/nested_array.cbor
 */

int main(int argc, char * argv[])
{
    (void) argc;
    (void) argv;

    if (argc != 2) {
        fprintf (stderr, "usage: %s file\n", argv[0]);
        exit (1);
    }

    FILE * f = fopen(argv[1], "rb");
    fseek(f, 0, SEEK_END);
    size_t length = (size_t)ftell(f);
    fseek(f, 0, SEEK_SET);
    unsigned char * buffer = malloc(length);
    fread(buffer, length, 1, f);

    /* Assuming `buffer` contains `info.st_size` bytes of input data */
    struct cbor_load_result result;
    cbor_item_t * item = cbor_load(buffer, length, &result);
    /* Pretty-print the result */
    cbor_describe(item, stdout);
    fflush(stdout);
    /* Deallocate the result */
    cbor_decref(&item);

    fclose(f);
}