From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 28 Feb 2012 18:14:31 +1100
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From: Bruce Ellis <bruce.ellis@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] 6c bug?
Topicbox-Message-UUID: 64f2c3be-ead7-11e9-9d60-3106f5b1d025

what values of p[1] do you expect the test to be of use?

On 28 February 2012 15:40, erik quanstrom <quanstro@quanstro.net> wrote:
> for p =3D uchar*, Nbus=3D=3D256,
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0if((uint)p[1] >=3D=
 Nbus){
>
> generates
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0warning: ./mp.c:212 useless or misleading comp=
arison: UCHAR >=3D 0x100
>
> i'm pretty sure that 6c is incorrectly issuing the diagnostic before
> applying the cast. =C2=A0(the cast is there to shut the compiler up.)
>
> - erik
>

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