linux-kernel - Re: gcc fixed size char array initialization bug

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Message-ID: <Pine.LNX.4.64.0708022217220.9319@fbirervta.pbzchgretzou.qr>
Date:	Thu, 2 Aug 2007 22:18:21 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
cc:	linux-kernel@...r.kernel.org
Subject: Re: gcc fixed size char array initialization bug - known?

On Aug 2 2007 21:55, Guennadi Liakhovetski wrote:
>Hi
>
>I've run across the following gcc "feature":
>
>	char c[4] = "01234";
>
>gcc emits a nice warning
>
>warning: initializer-string for array of chars is too long
>
>But do a
>
>	char c[4] = "0123";
>
>and - a wonder - no warning. No warning with gcc 3.3.2, 3.3.5, 3.4.5, 
>4.1.2. I was told 4.2.x does produce a warning. Now do a

Unfortunately, gcc 4.2.1 does not produce a warning for

char a[4] = "haha";

	Jan
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