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Message-ID: <09C1525B7197D3118A4D0008C7E6EEE00794C266@zuk28exm05.ecid.cig.mot.com>
From: Zhabitsky Oleg-QOZ001 <Oleg DOT Zhabitsky AT motorola DOT com>
To: cygwin AT cygwin DOT com
Subject: RE: ftell() bug
Date: Thu, 28 Nov 2002 11:50:47 -0000
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"


If you see to MSDN
(http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html
/_crt_ftell.asp), you can find out:

==============
Note that when a file is opened for appending data, the current file
position is determined by the last I/O operation, not by where the next
write would occur. For example, if a file is opened for an append and the
last operation was a read, the file position is the point where the next
read operation would start, not where the next write would start. (When a
file is opened for appending, the file position is moved to end of file
before any write operation.) If no I/O operation has yet occurred on a file
opened for appending, the file position is the beginning of the file.
==============

So, it is normal behaviour in your case.

Kind regards,
Zhabitsky Oleg

> -----Original Message-----
> From: Christopher Faylor [mailto:cgf-noreply AT cygwin DOT com] 
> Sent: Thursday, November 28, 2002 5:35 AM
> To: cygwin AT cygwin DOT com
> Subject: Re: ftell() bug
> 
> 
> On Fri, Nov 22, 2002 at 10:53:56AM +0500, Serge P. Voronin wrote:
> >I'm find a bug in ftell() while compiling with -mno-cygwin flag (see
> >attachment).  If we compile program without -mno-cygwin flag, then no
> >bug present.
> 
> Try compiling the program on linux or unix and see what you get.
> You'll see that cygwin output from your program agrees with linux
> or unix.  IMO, the windows runtime that Mingw (-mno-cygwin) uses
> is wrong.  However, it doesn't really matter.  Cygwin adheres to
> UNIX conventions.
> 
> Btw, in the future it would be better to 1) include your test case
> as text.  There is no reason to encode a text file.  2) describe
> your problem rather than asking others to infer it.
> 
> cgf
> --
> Please do not send me personal email with cygwin questions or 
> observations.
> Use the resources at http://cygwin.com/ .
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