Date: Thu, 07 Jun 2001 10:20:51 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Peter Pentchev <roam@orbitel.bg> Cc: hackers@FreeBSD.org Subject: Re: free() and const warnings Message-ID: <XFMail.010607102051.jhb@FreeBSD.org> In-Reply-To: <20010607195634.I724@ringworld.oblivion.bg>
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On 07-Jun-01 Peter Pentchev wrote: > On Thu, Jun 07, 2001 at 07:07:22PM +0300, Peter Pentchev wrote: >> Hi, >> >> Is free((void *) (size_t) ptr) the only way to free a const whatever *ptr >> with WARNS=2? (or more specifically, with -Wcast-qual) > > Uhm. OK. So size_t may not be enough to hold a pointer. What is it then - > caddr_t? uintptr_t for data pointers. In theory I think code pointers may not fit in a uintptr_t. free((void *)(uintptr_t)ptr) should work. Of course, this begs the question of why you are free'ing a const. :) -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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