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Re: execl() sentinel

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Chris Browne <cbbrowne(at)acm(dot)org>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: execl() sentinel
Date: 2007-07-19 03:29:34
Message-ID: 20070719032934.GA2905@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgsql-patches
Chris Browne wrote:
> neilc(at)samurai(dot)com (Neil Conway) writes:
> > On Wed, 2007-07-18 at 17:22 -0400, Alvaro Herrera wrote:
> >> I wouldn't know how to look for other variadic functions using NULL
> >> sentinels though.
> >
> > You would need something with more knowledge of C than "grep" has, at
> > any rate. Perhaps you could teach sparse to do this analysis, if it
> > can't do it already...
> 
> sgrep might be smart enough...  I quite like sgrep...

Interesting tool.

However as for tools, I use cscope very succesfully for this kind of
thing.  But what we would need in this case is a list of variadic
functions.

Or were you thinking in getting a list of called functions in Postgres,
and some way of figuring out which of these were variadic?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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