From 6675295347860129321 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,9684813612e15361 X-Google-Attributes: gidf78e5,public From: Scott Meyers Subject: Re: pointers: sizeof(pointer) Date: 1998/06/25 Message-ID: <3591A612.15DA@aristeia.com>#1/1 X-Deja-AN: 365884783 X-NNTP-Posting-Host: 204.202.172.26 Content-Transfer-Encoding: 7bit Approved: stephen.clamage@sun.com (comp.std.c++) References: <6mkkaq$dgu@engnews1.Eng.Sun.COM> Content-Type: text/plain; charset=us-ascii Organization: - Mime-Version: 1.0 NNTP-Posting-Date: Wed, 24 Jun 1998 18:22:08 PDT Newsgroups: comp.std.c++ Originator: clamage@taumet Steve Clamage wrote: | No. Pointers are bigger than ints on a number of popular | architectures, and are bigger than ints on all the 64-bit | architectures I am familiar with. It is common for pointers | to be the same size as longs, but the C and C++ standards | do not require that any integer type be the same size as | a pointer. Indeed, on the AS/400 architecture that is the | case. AS/400 pointers are 48 bits, and it has no 48-bit | integer type as far as I know. In the latest MSJ (July), Matt Pietrek explains why 64-bit Windows NT will use 64-bit pointers and 32-bit longs. Believe it or not, it's not just to make life miserable for Unix developers :-) Scott -- Scott Meyers, Ph.D. Voice: 503/638-6028 C++ Consulting and Training Fax: 503/638-6614 Author of "Effective C++" Email: smeyers@aristeia.com and "More Effective C++" WWW: http://www.aristeia.com/ [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://reality.sgi.com/austern_mti/std-c++/faq.html ]