Read /dev/null differs from POSIX
sgk at troutmask.apl.washington.edu
Sat May 21 13:32:10 PDT 2005
On Sat, May 21, 2005 at 09:13:29PM +0100, Mark Murray wrote:
> Steve Kargl writes:
> > >From http://www.opengroup.org/onlinepubs/009695399/toc.htm
> > /dev/null -- An infinite data source and data sink. Data
> > written to /dev/null shall be discarded. Reads from
> > /dev/null shall always return end-of-file (EOF).
> > This program
> ... abuses fread(3) return values.
Sorry for the noise. I remembered feof() about 15 minutes
ago. FreeBSD's null(4) man page, although quite short, is
somewhat confusing in its vagueness.
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