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From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Subject: Re: [RFC PATCH] Allow annotating calloc for Valgrind
Date: Fri, 30 Jun 2017 02:42:53 +0300 (MSK)	[thread overview]
Message-ID: <alpine.LNX.2.20.13.1706300236230.18055@monopod.intra.ispras.ru> (raw)
In-Reply-To: <20170629232032.GH1627@brightrain.aerifal.cx>

On Thu, 29 Jun 2017, Rich Felker wrote:
> Use of valgrind annotation was already rejected a long time ago.

I don't see any record of that in the archives...

> The same can be done with a suppressions file and that's where it belongs.

What would you write in the suppression file? If you tell Valgrind to ignore
branch-on-uninit in calloc, it will report errors later on anyway when the
application reads from the calloc'ed region. Szabolcs went down that road once.

> The same could be achieved without hacks just using #if/#ifdef around
> the #include. But I don't see how <memcheck.h> could work anyway; musl
> obviously does not, and can't, use any host include paths where a
> header might already be installed.

With an appropriate -I in CPPFLAGS?

Alexander


  reply	other threads:[~2017-06-29 23:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-29 22:56 Alexander Monakov
2017-06-29 23:20 ` Rich Felker
2017-06-29 23:42   ` Alexander Monakov [this message]
2017-06-29 23:56     ` Rich Felker
2017-07-02 13:55       ` Alexander Monakov
2017-07-02 14:35         ` Rich Felker
2017-07-02 16:16           ` Alexander Monakov
2017-07-02 16:31             ` Rich Felker

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