/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * A test program for PR_htons, PR_ntohs, PR_htonl, PR_ntohl,
 * PR_htonll, and PR_ntohll.
 */

#include "prnetdb.h"

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

/* Byte sequence in network byte order */
static unsigned char bytes_n[8] = {1, 2, 3, 4, 5, 6, 7, 8};

/* Integers in host byte order */
static PRUint16 s_h = 0x0102;
static PRUint32 l_h = 0x01020304;
static PRUint64 ll_h = LL_INIT(0x01020304, 0x05060708);

int main(int argc, char** argv) {
  union {
    PRUint16 s;
    PRUint32 l;
    PRUint64 ll;
    unsigned char bytes[8];
  } un;

  un.s = s_h;
  printf("%u %u\n", un.bytes[0], un.bytes[1]);
  un.s = PR_htons(un.s);
  printf("%u %u\n", un.bytes[0], un.bytes[1]);
  if (memcmp(un.bytes, bytes_n, 2)) {
    fprintf(stderr, "PR_htons failed\n");
    exit(1);
  }
  un.s = PR_ntohs(un.s);
  printf("%u %u\n", un.bytes[0], un.bytes[1]);
  if (un.s != s_h) {
    fprintf(stderr, "PR_ntohs failed\n");
    exit(1);
  }

  un.l = l_h;
  printf("%u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2], un.bytes[3]);
  un.l = PR_htonl(un.l);
  printf("%u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2], un.bytes[3]);
  if (memcmp(un.bytes, bytes_n, 4)) {
    fprintf(stderr, "PR_htonl failed\n");
    exit(1);
  }
  un.l = PR_ntohl(un.l);
  printf("%u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2], un.bytes[3]);
  if (un.l != l_h) {
    fprintf(stderr, "PR_ntohl failed\n");
    exit(1);
  }

  un.ll = ll_h;
  printf("%u %u %u %u %u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2],
         un.bytes[3], un.bytes[4], un.bytes[5], un.bytes[6], un.bytes[7]);
  un.ll = PR_htonll(un.ll);
  printf("%u %u %u %u %u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2],
         un.bytes[3], un.bytes[4], un.bytes[5], un.bytes[6], un.bytes[7]);
  if (memcmp(un.bytes, bytes_n, 8)) {
    fprintf(stderr, "PR_htonll failed\n");
    exit(1);
  }
  un.ll = PR_ntohll(un.ll);
  printf("%u %u %u %u %u %u %u %u\n", un.bytes[0], un.bytes[1], un.bytes[2],
         un.bytes[3], un.bytes[4], un.bytes[5], un.bytes[6], un.bytes[7]);
  if (LL_NE(un.ll, ll_h)) {
    fprintf(stderr, "PR_ntohll failed\n");
    exit(1);
  }

  printf("PASS\n");
  return 0;
}
