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Re: modules!??

X-seq: zsh-workers 3219
From: Zefram <zefram@xxxxxxxxxxxxxxxxx>
To: monnier+/news/lists/zsh/workers@xxxxxxxxxxxxxxxxxxxxxxxxxxxx (Stefan Monnier)
Subject: Re: modules!??
Date: Sun, 8 Jun 1997 12:49:22 +0100 (BST)
Cc: zsh-workers@xxxxxxxxxxxxxxx (Z Shell workers mailing list)
In-reply-to: <5l7mg6tcrg.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> from "Stefan Monnier" at Jun 7, 97 03:48:51 pm

Stefan Monnier wrote:
>IIRC, the ANSI C standard allows different sizes for different kinds of
>pointers but requires that void* is big enough to hold any pointer (so that
>casting to void* and back is a safe operation). So it's not just the dlsym
>interface.

That's only for data pointers.  Function pointers are not guaranteed to be
losslessly convertible to void *, nor vice versa.  Function pointer types
are all guaranteed to be losslessly convertible to each other, however.

-zefram

References:
- Re: modules!??
  - From: Stefan Monnier

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