Re: avoid atoi, when possible; int overflow -> heap corruption

> 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
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