Date: Mon, 21 Aug 2000 22:20:03 -0700 (PDT) From: Mark.Andrews@nominum.com To: freebsd-bugs@FreeBSD.org Subject: Re: gnu/20767: gcc const produces invalid warning Message-ID: <200008220520.WAA60853@freefall.freebsd.org>
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The following reply was made to PR gnu/20767; it has been noted by GNATS. From: Mark.Andrews@nominum.com To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: FreeBSD-gnats-submit@FreeBSD.ORG Subject: Re: gnu/20767: gcc const produces invalid warning Date: Tue, 22 Aug 2000 15:20:14 +1000 > <<On Tue, 22 Aug 2000 13:03:35 +1000 (EST), marka@nominum.com said: > > > gcc incorrectly reports 'incompatible pointer type' when function > > is declared with 'const pointer to const pointer' arguement and is > > just passed pointer to pointer. > > The code is in error, and the warning is in fact correct. The type > `const foo * const *' is not compatible with `foo **'. Only the > outermost qualifier participates in this form of promotion. > > -GAWollman > If that is what ANSI C says I'll have to live with it but it is illogical, not that logic applies to standards. Mark -- Mark Andrews, Nominum Inc. 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews@nominum.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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