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	<201106302109 DOT 30225 DOT juan DOT guerrero AT gmx DOT de>
Date:	Thu, 30 Jun 2011 22:53:55 +0300
Message-ID:	<BANLkTin5NAdHrp9N1RkhZ_HosJjWLxdW_g@mail.gmail.com>
Subject:	Re: [patch] fix epunzip stric aliasing warnings
From:	Ozkan Sezer <sezeroz AT gmail DOT com>
To:	djgpp-workers AT delorie DOT com
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--0015176f1b08dfab7504a6f34243
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On Thu, Jun 30, 2011 at 10:09 PM, Juan Manuel Guerrero
<juan DOT guerrero AT gmx DOT de> wrote:
> Am Dienstag, 28. Juni 2011 schrieb Ozkan Sezer:
>> Hi:
>>
>> The attached patch fixes strict aliasing violation warnings in
>> djtar/epunzip.c. =A0The warnings are only visible when using gcc<=3D3.3
>> (old but one I do use) but worth fixing, IMO, considering the shape
>> of the code.
>>
>> Regards.
>>
>> --
>> O.S.
>>
>
> I tested the patch submitted by Ozkan Sezer using gcc453b and gcc460b bot=
h
> djdev204 versions and it fixes the strict warning issues. =A0The proposed=
 changes
> look ok to me. =A0If no one objects in a reasonable period of time I will=
 commit
> the patch below.
>
> Regards,
> Juan M. Guerrero
>
>
>
> =A0 =A0 =A0 =A0* src/utils/djtar/epunzip.c (epunzip_read): Fix strict aal=
iasing warning.
> =A0 =A0 =A0 =A0From Ozkan Sezer <sezeroz AT gmail DOT com>
>

Just a note:  Replacing (int *) casts onto char buffers by (__dj_int_a *)
is not necessary, as char* is already a may_alias type.
EDIT: Even those (__dj_short_a *) can be simplified into (short *) casts,
which I obviously missed doing in my initial version.  In any case, the
result will be just the same but, IMO, the simplified ones will be easier
to read.  Attached my 2nd version; pick as you like.

Regards.

--
O.S.

--0015176f1b08dfab7504a6f34243
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