> On Fri, Jan 12, 2001 at 07:53:14PM -0800, Rob Landley wrote:
> > If I do the dd line in the title under 2.4.0 I get an
> > out.txt file of 591 bytes.
> And it's the same under 2.2.x, too.
>
> > dd says it completes happily even when copying from
> > random. 0+100 records in, 0+100 records out. It
> It's not a fault of dd, or of the read() system call, either. It's just the way
> /dev/random works - you can't read more bytes than those available in the
> entropy pool. And if you try, you'll just fail with no error.
It won't fail, it will block, then continue reading when more bytes are
available. The application may time out however.
-d
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