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From: Richard Weinberger <richard@nod.at>
To: Joe Perches <joe@perches.com>
Cc: apw@canonical.com, linux-kernel@vger.kernel.org, hpa@zytor.com
Subject: Re: [PATCH] checkpatch.pl: Check for functions without a real prototype
Date: Sat, 17 Mar 2012 00:35:54 +0100	[thread overview]
Message-ID: <4F63CE5A.2090809@nod.at> (raw)
In-Reply-To: <1331940707.12813.10.camel@joe2Laptop>

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Am 17.03.2012 00:31, schrieb Joe Perches:
> Perhaps this should be:
> 		if ($line =~ /(\b$Type\s+$Ident)\s*\(\s*\)/) {

Makes sense.

>> +			ERROR("FUNCTION_NO_PROTOTYPE",
>> +"Function without a real prototype\n" . $herecurr .
> 
> Sensible, but maybe:
> "Bad function definition - $1() should probably be $1(void)\n"

Too.

>> +"Thou shalt not, in the language of C, under any circumstances, on the
>> +pain of death, declare or define a function with an empty set of
>> +parentheses, for though in the language of C++ it meaneth the same as
>> +(void), in C it meaneth (...) which is of meaningless as there be no
>> +anchor argument by which the types of the varadic arguments can be
>> +expressed, and which misleadeth the compiler into allowing unsavory code
>> +and in some cases generate really ugly stuff for varadic handling.
>> +	-hpa\n");
> 
> Humorous once, painful in twice, annoying after.
> 

It has to be annoying and painful. :-)

Thanks,
//richard


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  reply	other threads:[~2012-03-16 23:36 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-16 20:18 [PATCH] x86: Merge x86_32 and x86_64 cpu_idle() Richard Weinberger
2012-03-16 21:22 ` H. Peter Anvin
2012-03-16 21:40   ` [PATCH v2] " Richard Weinberger
2012-03-19 13:05     ` Frederic Weisbecker
2012-03-23 12:25     ` Ingo Molnar
2012-03-23 12:31       ` Richard Weinberger
2012-03-23 12:33         ` Ingo Molnar
2012-03-23 18:20           ` [PATCH] " Richard Weinberger
2012-03-24  7:25             ` Ingo Molnar
2012-03-25 21:00               ` Richard Weinberger
2012-03-26 15:31                 ` [tip:x86/urgent] x86: Merge the x86_32 and x86_64 cpu_idle() functions tip-bot for Richard Weinberger
2012-03-16 23:04   ` [PATCH] checkpatch.pl: Check for functions without a real prototype Richard Weinberger
2012-03-16 23:31     ` Joe Perches
2012-03-16 23:35       ` Richard Weinberger [this message]
2013-11-18 22:31 Richard Weinberger
2013-11-18 22:36 ` Joe Perches
2013-11-18 22:40   ` Richard Weinberger

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