source: libcf/trunk/test/bitwise.c@ 139

/**
 * @file    bitwise.c
 * @author  myusgun <myusgun@gmail.com>
 */
#include "cf_bitwise.h"

#include <stdio.h>
#include <string.h>

#ifdef _WIN32
# include <winsock2.h>
# pragma comment(lib, "ws2_32.lib")
#else
# include <arpa/inet.h>
#endif

int main (void)
{
    cf_byte         in[sizeof (int)] = {0x00,};
    cf_byte         out[sizeof (int)] = {0x00,};
    unsigned int    integer = 0x6b8b4567;       // random byte
    unsigned int    * bi = (unsigned int *)in;  // type punning
    unsigned int    * bo = (unsigned int *)out; // type punning

    // print original
    printf ("data           : 0x%08x\n", integer);
    printf ("---------------------------\n");

    // if in little-endian environment,
    // convert integer to big-endian for pure bit-array
    *bi = htonl (integer);
    CF_Bitwise_ShiftLeft (in, sizeof (int) * 8, 4, out);

    // print result of operation
    printf ("integer   << 4 : 0x%08x\n", integer << 4);
    printf ("byteArray << 4 : 0x%08x\n", ntohl (*bo));

    return 0;
}