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	Tue, 15 Dec 1998 18:29:33 +1100
Date: Tue, 15 Dec 1998 18:29:33 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199812150729.SAA20750@godzilla.zeta.org.au>
To: brian@Awfulhak.org, dillon@apollo.backplane.com
Subject: Re: best way to fix function mismatch warning
Cc: committers@FreeBSD.ORG
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[This may be a duplicate]

>:>     So, to get rid of the warning do we (a) cast the function pointer
>:>     in the pci_map_int() call to the correct type or (b) make the function
>:>     (in  dev/vx/*) take a void * and then reassign the variable to a pointer
>:>     of the right type inside it?  Or (c) some other choice that I haven't
>:>     thought of ?
>:
>:(a) as there's no overhead.... alternatively, you could try (c) ;-)
>
>    There's no overhead for b either, GCC detects the alias and optimizes
>    it out.

Except of course when the alias isn't actually an alias -- then (b) may
work, but (a) will not work.

Bruce

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