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Reply-To: <kris DOT thielemans AT csc DOT mrc DOT ac DOT uk>
From: "Kris Thielemans" <kris DOT thielemans AT csc DOT mrc DOT ac DOT uk>
To: "Martin Trautmann" <martintrautmann AT gmx DOT de>,
        <cygwin AT sourceware DOT cygnus DOT com>
Subject: RE: B20: tellg changes file position (Win95,?)
Date: Mon, 13 Mar 2000 04:10:37 -0000
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Hi,

I had a similar problem recently (could even have been in VC). My problem
was that I was using tellg() on a stream which was NOT opened with
ios::binary, while containing binary data. Presumably it is an ill-defined
procedure in that case.

Maybe the same is true for you...

Kris
> -----Original Message-----
> From: cygwin-owner AT sourceware DOT cygnus DOT com
> [mailto:cygwin-owner AT sourceware DOT cygnus DOT com]On Behalf Of Martin Trautmann
> Sent: 12 March 2000 16:40
> To: cygwin AT sourceware DOT cygnus DOT com
> Subject: B20: tellg changes file position (Win95,?)
>
>
> Hello,
>
> I am developing a program with egcs-2.91.66 (linux) and want to compile
> a version for Windows. I didn't have any problems to compile it but it
> had some strange results.
> Finally I found out that the function "ifstream.tellg()" changes the
> file position and
> had some other strange results on later read functions that got words
> like "near" that absolutely have not been in the file.
>
> I am sorry that I have no small example but the whole program will be
> availible soon under:
> http://www.theofel.de/anitmt/
>
> thank you for help
>
> Martin Trautmann
>
> The only interesting thing in the output of cygcheck I found was:
>
>   371k 1998/12/01 .\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtcl80.dll" v0.0 ts=1998/12/1 9:25
>     5k 1998/12/01 .\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
>    10k 1998/12/01 .\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtclreg80.dll" v0.0 ts=1998/12/1 9:25
>   600k 1998/12/01 .\cygtk80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtk80.dll" v0.0 ts=1998/12/1 9:28
>   446k 1998/12/03 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygwin1.dll" v0.0 ts=1998/12/4 5:39
>   371k 1998/12/01 .\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtcl80.dll" v0.0 ts=1998/12/1 9:25
>     5k 1998/12/01 .\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
>    10k 1998/12/01 .\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtclreg80.dll" v0.0 ts=1998/12/1 9:25
>   600k 1998/12/01 .\cygtk80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtk80.dll" v0.0 ts=1998/12/1 9:28
>   446k 1998/12/03 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygwin1.dll" v0.0 ts=1998/12/4 5:39
>   446k 1998/12/03 c:\bat\cygwin1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygwin1.dll" v0.0 ts=1998/12/4 5:39
>
> --
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