-----Original Message-----
From: Nicholas Clark [mailto:[EMAIL PROTECTED]
Sent: 27 July 2005 17:03
To: Steve Peters
Cc: perl5-porters@perl.org
Subject: Re: [PATCH] Squish warnings in POSIX.xs
On Wed, Jul 27, 2005 at 11:01:00AM -0500, Steve Peters wrote:
> POSIX.xs has recently been giving the following warnings:
>
> POSIX.xs: In function `XS_POSIX_sigaction':
> POSIX.xs:1348: warning: comparison of distinct pointer types lacks a cast
> POSIX.xs:1357: warning: assignment from incompatible pointer type
>
> The problem comes with assigning Perl's Sigaction_t to sigaction.sa_handler.
> It
> seems to like C<void *>, so that's what we can give it. It's paassing its
> tests from what I can see, but we'll see how the smokes do on platforms other
> than Linux and OpenBSD.
Casting pointers to functions to pointers to data isn't conformant ANSI C.
-----
These casts can be "laundered" via a (sufficiently) long unsigned integer.
Use FPTR2DPTR and DPTR2FPTR defined in perl.h
Robin
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