/* * Big Endian <-> Host byte order converter * * Copyright (C) 1996, 1997, 2000, 2001, * Nara Institute of Science and Technology * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Nara Institute of * Science and Technology. * 4. The name Nara Institute of Science and Technology may not be used to * endorse or promote products derived from this software without specific * prior written permission. * * * THIS SOFTWARE IS PROVIDED BY Nara Institute of Science and Technology * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE Nara Institute * of Science and Technology BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: htobe.c,v 1.1.1.1 2004/05/03 15:47:28 joerg72 Exp $ */ #include "htobe.h" #if !defined WORDS_BIGENDIAN && !defined HAVE_HTONL union clong { unsigned long ulong; unsigned char uchar[sizeof(unsigned long)]; }; unsigned long __htobe(unsigned long hostlong) { int i; union clong cl; for (i = 0; i < sizeof(unsigned long); i++) { cl.uchar[i] = (hostlong >> (i * 8)) & 0xff; } return cl.ulong; } unsigned long __betoh(unsigned long belong) { int i; union clong cl; for (i = sizeof(unsigned long) - 1; i >= 0; i--) { cl.uchar[i] = (belong >> (i * 8)) & 0xff; } return cl.ulong; } #endif