Re: snprintf causes regression tests to fail

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Nicolai Tufar <ntufar(at)gmail(dot)com>, Magnus Hagander <mha(at)sollentuna(dot)net>, pgsql-hackers(at)postgresql(dot)org, pgsql-hackers-win32(at)postgresql(dot)org
Subject: Re: snprintf causes regression tests to fail
Date: 2005-03-02 04:23:08
Message-ID: 200503020423.j224N8m15255@candle.pha.pa.us
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Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Tom Lane wrote:
> >> Does it help if you flip the order of the snprintf and vsnprintf
> >> functions in snprintf.c?
>
> > Yes, it fixes the problem and I have applied the reordering with a
> > comment.
>
> Fascinating.
>
> > I will start working on fixing the large fmtpar allocations now.
>
> Quite honestly, this code is not worth micro-optimizing because it
> is fundamentally broken. See my other comments in this thread.

I am working on something that just counts the '%' characters in the
format string and allocates an array that size.

> Can we find a BSD-license implementation that follows the spec?

I would think NetBSD would be our best bet. I will download it and take
a look.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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