From owner-freebsd-hackers@FreeBSD.ORG Wed Aug 15 13:34:53 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E010B106566B for ; Wed, 15 Aug 2012 13:34:53 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99]) by mx1.freebsd.org (Postfix) with ESMTP id 48EC88FC08 for ; Wed, 15 Aug 2012 13:34:52 +0000 (UTC) Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1]) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q7FDYj13058305; Wed, 15 Aug 2012 15:34:45 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id q7FDYiBl058302; Wed, 15 Aug 2012 15:34:44 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Wed, 15 Aug 2012 15:34:44 +0200 (CEST) From: Wojciech Puchar To: Daniel Grech In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (wojtek.tensor.gdynia.pl [127.0.0.1]); Wed, 15 Aug 2012 15:34:45 +0200 (CEST) Cc: freebsd-hackers@freebsd.org Subject: Re: Unsigned Integer Encoding X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Aug 2012 13:34:54 -0000 > /* This prints 04030201 */ > printf ("b= %0X \n", *b); > all is OK, you did this probably on x86 CPU which is little endian. on powerpc it would be 01020304 as it is big endian. to write endian independent code: man htonl all these are macros actually. "network order" is big endian. so eg htonl would reverse order on x86, and ddo nothing on powerpc.