37 lines
855 B
C
37 lines
855 B
C
|
#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);
|
||
|
|
}
|