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Date:	Thu, 9 Dec 2004 19:49:18 -0500 (EST)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	Peter Astrand <astrand AT lysator DOT liu DOT se>
cc:	cygwin AT cygwin DOT com
Subject:	Re: short fread(), but no ferror/feof
In-Reply-To:	<Pine.GSO.4.51L2.0412092344001.4112@koeberg.lysator.liu.se>
Message-ID:	<Pine.GSO.4.61.0412091946260.19749@slinky.cs.nyu.edu>
References:	<Pine DOT GSO DOT 4 DOT 51L2 DOT 0412051701370 DOT 21199 AT koeberg DOT lysator DOT liu DOT se> <Pine DOT GSO DOT 4 DOT 51L2 DOT 0412092344001 DOT 4112 AT koeberg DOT lysator DOT liu DOT se>
MIME-Version:	1.0

On Fri, 10 Dec 2004, Peter Astrand wrote:

> >> I've discovered that fread(ptr, size, nitems, stream) sometimes returns a
> >> value less than "nitems", but does not set feof() nor ferror(). As I
>
> >A simple, compilable test case with results shown on both linux and
> >cygwin would prove your theory.
>
> Here you go; example follows. Test run on Linux:
>
> ---
> Got 66 bytes:
> /bin/ls: /somebogus: Filen eller katalogen finns inte
> /etc/passwd
> |EOF has been reached.
> ---
>
> Test run on Cygwin:
>
> ---
> $ ./a.exe
> Got 9 bytes:
> /bin/ls: |
> ---
>
> As you can see, the result is partial, and there is no EOF nor error.
>
> I guess this is the problem described at
> http://sources.redhat.com/ml/newlib/2004/msg00477.html. Perhaps you can
> apply the suggested patch?

According to <http://sources.redhat.com/ml/newlib/2004/msg00478.html>, the
patch was checked in on Oct 26.  Cygwin uses the latest version of newlib.
Cygwin 1.5.12-1 was released on Nov 10, so it should contain this patch.

You can verify this by downloading the Cygwin source package, and looking
at newlib/libc/stdio/fread.c.
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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