Date: Thu, 10 Jan 2002 11:52:06 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Mike Silbersack <silby@silby.com> Cc: <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org> Subject: Re: cvs commit: src/sys/kern uipc_socket2.c Message-ID: <20020110115017.D10376-100000@gamplex.bde.org> In-Reply-To: <20020109124252.F2484-100000@patrocles.silby.com>
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On Wed, 9 Jan 2002, Mike Silbersack wrote: > On Tue, 8 Jan 2002, Bruce Evans wrote: > > The compiler always promotes types (not sizes) in binary expressions. > > This works right for comparison except when the operand types have the > > same size but differ in signedness. The problem with the min() and > > MIN() macros is that they evaluate their args more than once. > > Ah, I can see the potential problems with signedness. As for the > evaluation of arguments; wouldn't the inline min functions in libkern.h do > the same? No, because inline functions have function semantics. Functions don't reevaluate their args. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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