Re: Megamax bugs and queries

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Article #2681

#2681

From: jmg
Date: Tue, 04 Nov 1986 15:53

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In article <1333@batcomputer.TN.CORNELL.EDU> braner@batcomputer.UUCP (braner) writes:
>A few answers/suggestions:
>
>	Never put a function call inside a macro!  E.g.: isalpha(c) is
>a macro (defined in ctype.h):
>
>	#define isalpha(c) (c>='A' && c<='Z' || c>='a' && c<='z')

May I suggest that the real problem is the lousy way that the macro
is defined! Look at the BSD4.2 macro to see how things should be done.
Library macros should be pretty well equivalent to library functions,
with no side effects.

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Message-ID: <387@cernvax.UUCP>

Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!sri-spam!mordor!lll-crg!seismo!mcvax!cernvax!jmg

References: <381@cernvax.UUCP> <1333@batcomputer.TN.CORNELL.EDU>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!sri-spam!mordor!lll-crg!seismo!mcvax!cernvax!jmg
From: jmg@cernvax.UUCP (jmg)
Newsgroups: net.micro.atari16
Subject: Re: Megamax bugs and queries
Message-ID: <387@cernvax.UUCP>
Date: Tue, 4-Nov-86 10:53:22 EST
Article-I.D.: cernvax.387
Posted: Tue Nov  4 10:53:22 1986
Date-Received: Wed, 5-Nov-86 06:20:22 EST
References: <381@cernvax.UUCP> <1333@batcomputer.TN.CORNELL.EDU>
Reply-To: jmg@cernvax.UUCP (Mike Gerard)
Distribution: world
Organization: CERN, Geneva/Switzerland
Lines: 12

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