Regression with dev_null.f90

[Steve Kargl]

On Sat, May 21, 2005 at 03:39:14PM -0400, Andrew Pinski wrote:
> 
> On May 21, 2005, at 3:30 PM, Steve Kargl wrote:
> >gfortran behavior appears to depend on the POSIX definition of
> >/dev/null.  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 prints
> >
> >i = 5
> >j = 1
> 
> This is also what happens on powerpc-darwin so I don't think that
> is the problem.
> 

The program I sent was bogus because it did not use feof()
to check for EOF.  This suggests that the implementation
of READ(...,end=100) is not properly checking for EOF on
at least the platforms we've identified.

-- 
Steve