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Date: Wed, 28 Feb 2001 18:17:05 +0300
From: Egor Duda <deo AT logos-m DOT ru>
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Reply-To: Egor Duda <cygwin AT cygwin DOT com>
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Message-ID: <86100174963.20010228181705@logos-m.ru>
To: Jesper Eskilson <jojo AT virtutech DOT se>
CC: cygwin AT cygwin DOT com
Subject: Re: lseek() misbehaving.
In-reply-To: <u67ae7626sn.fsf@rachel.hq.vtech>
References: <u67ae7626sn DOT fsf AT rachel DOT hq DOT vtech>
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Hi!

Wednesday, 28 February, 2001 Jesper Eskilson jojo AT virtutech DOT se wrote:

JE> read() read 32 bytes (requested 32) from fd 3
JE> =======
JE> b8 c0 7 8e d8 b8 0 90 8e c0 b9 0 1 29 f6 29 ff fc f3 a5 ea 19 0 0 90 bf f4 3f 8e d8 8e d0 
JE> =======
...
JE> read() read 32 bytes (requested 32) from fd 3
JE> =======
JE> 89 fc 8e e1 bb 78 0 1e 64 c5 37 b1 6 fc 57 f3 a5 5f 1f c6 45 4 24 64 89 3f 64 8c 47 2 30 e4 
JE> =======

JE> Now, you'd expect that the two 32-bytes block (32 is arbitrarily chosen)
JE> would be identical, but they are not. The (second) call to lseek() does not
JE> move the file-pointer at all, so the second 32-byte block is what you
JE> would've gotten if you read 64 bytes the first time.

i've   checked   in  the  patch for fhandler_dev_floppy::lseek several
hours  ago.  your  program behaves correctly with my current cvs build
of cygwin1.dll 
you  can  wait for a new snapshot, or build cygwin1.dll from current cvs
yourself, and check if it solves your problem.

Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19



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