pjs/nsprpub/pr/tests/ntoh.c

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C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* 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()
{
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;
}