From: Morten Welinder <mwelinder@gmail.com>
Date: Mon, 22 May 2006 13:16:50 GMT
Subject: Re: avoid atoi, when possible; int overflow -> heap corruption
Message-ID: <118833cc0605220616t75a182b1oa404d5efe8a1f5d9@mail.gmail.com>
In-Reply-To: <871wumim28.fsf_-_@rho.meyering.net>

> There are about 20 uses of atoi, and most calls can return
> a usable result in spite of an invalid input -- just because
> atoi returns the same thing for "99" as "99-and-any-suffix".
> It would be better not to ignore invalid inputs.

atoi has undefined behaviour for "99-and-any-suffix".  You might
get lucky and get back 99, but you might also get a random value
or a core dump.

Morten