Date: Fri, 10 Jun 2005 17:42:57 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Mike Hunter <mhunter@ack.berkeley.edu> Cc: freebsd-hackers@freebsd.org Subject: Re: unitialized memory is all zeros...why not garbage instead? Message-ID: <20050610224256.GG4116@dan.emsphone.com> In-Reply-To: <20050610224058.GA11336@malcolm.berkeley.edu> References: <20050610224058.GA11336@malcolm.berkeley.edu>
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In the last episode (Jun 10), Mike Hunter said:
> I have a feeling that I'm missing something really obvious, but I'm
> having trouble understanding why the following program:
>
> int main (int argc, char * argv[])
> {
> void * ptr = malloc(65536);
>
> Never prints anything but "0"'s.
The kernel zeros out memory before handing it to processes.
--
Dan Nelson
dnelson@allantgroup.com
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