RE: [Patch v1 1/3] test-lib-functions.sh: add generate_zero_bytes function

> On Sat, Feb 9, 2019 at 1:59 PM <randall.s.becker@rogers.com> wrote:
> > t5318 and t5562 used /dev/zero, which is not portable. This function
> > provides both a fixed block of NUL bytes and an infinite stream of NULs.
> >
> > Signed-off-by: Randall S. Becker <rsbecker@nexbridge.com>
> > ---
> > diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh @@
> > -116,6 +116,19 @@ remove_cr () {
> > +# Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes).
> > +# If $1 is 'infinity', output forever or until the receiving pipe
> > +stops reading, # whichever comes first.
> 
> This is a somewhat unusual API. A (perhaps) more intuitive behavior would be
> for it to emit an infinite stream of NULs when given no argument, and a
> limited number of NULs when given an argument.
> Redefining the behavior like that also fixes the "problem" with the current
> implementation erroring-out if no argument is provided.