Re: C++ and callbacks

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Article #38362

#38362

From: James Kanze
Date: Fri, 06 May 1994 11:23

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In article <JASON.94May5173436@deneb.cygnus.com> jason@cygnus.com
(Jason Merrill) writes:

|> >>>>> Brandon Van Every <brandon@uncvx2.oit.unc.edu> writes:

|> > I can't find anything in Stroustrup that says this will work.  The default
|> > linkage for all functions is "C++" (p. 524).  Given that, I'd say that not
|> > using "extern C" is rather risky.

|> But does anything say that it won't?  C and C++ use the same calling
|> convention for plain functions, so C linkage v. C++ should have no effect
|> on function pointers.

System dependant.  What Jason Merrill says is true for g++ and for
cfront, but I wouldn't expect it to be generally true.  (It wasn't for
Zortech, for example.)
--
James Kanze                       email: kanze@lts.sel.alcatel.de
GABI Software, Sarl., 8 rue du Faisan, F-67000 Strasbourg, France
Conseils en informatique industrielle --
                   -- Beratung in industrieller Datenverarbeitung

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From: kanze@us-es.sel.de (James Kanze)
Subject: Re: C++ and callbacks
In-Reply-To: jason@cygnus.com's message of Fri, 6 May 1994 00:34:36 GMT
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