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Date: Fri, 30 Jun 2017 02:42:53 +0300 (MSK)
From: Alexander Monakov <amonakov@...ras.ru>
To: musl@...ts.openwall.com
Subject: Re: [RFC PATCH] Allow annotating calloc for Valgrind

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

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