Date: Thu, 10 Jul 2003 12:03:35 -0700 From: Tim Kientzle <kientzle@acm.org> To: David Leimbach <leimy2k@mac.com> Cc: current@freebsd.org Subject: Re: what is the suggested way to do void * arithmetic ? Message-ID: <3F0DB887.1080504@acm.org> References: <6006001.1057858723473.JavaMail.leimy2k@mac.com>
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David Leimbach wrote: > I think C takes a more low-level approach and says "void * is just an address > void * + 1 means the next valid address". This is not true. The ANSI C standard forbids arithmetic on void * pointers, just as C++ does. GNU gcc has supported void * arithmetic for a long time as an extension, but it's not standard behavior and you should not rely on it. Tim Kientzle
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