Re: Automaticly eliminating redundant zero initialisers

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon May 01 2000 - 07:04:44 EST


> On Mon, 1 May 2000, Tigran Aivazian wrote:
> > oops, I just realised you are asking for something slightly different.
> > What I meant is that you can now safely ignore zero-initializers because
> > BSS is zero-cleared by the kernel explicitly.
>
> *The* kernel does not exist. Not all of the world is Linux.

Zero clearing the undefined global variables is part of the C language standard
Some ancient (<< 1.0 ) Linux stuff didnt do so

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