Subject: Re: Performance of various memcpy()'s
To: Bang Jun-Young <>
From: Perry E. Metzger <>
List: tech-userlevel
Date: 10/29/2002 12:12:03
Bang Jun-Young <> writes:
> There's no known way to exploit system by memcpy. If there is, why
> not _DIAGNOSTIC enabled by default?
> Unless there's a better reason to have _DIAGNOSTIC there, I'm going to 
> get rid of it.

DIAGNOSTIC is so you can compile a DIAGNOSTIC version of libc to help
you find bugs.

Please do not remove it.