[Coin-discuss] Query: Problems with gzip'd i/o, CoinUtils, Cygwin/minGW/Win2K

[Andreas Waechter]

Hi,

I think Ted already submitted a ticket in BuildTools for that.

Ok, I will look into this and try to fix it today or tomorrow in the 
BuildTools stable directory.

Cheers

Andreas

On Tue, 17 Oct 2006, Lou Hafer wrote:

> Folks,
>
> 	I'm seeing a failure of the CoinUtils unit test.  The base o/s is
> Windows 2000.  The build is done in cygwin, but the -mnocygwin compile flag
> means that (if I understand correctly) execution occurs in the minGW
> environment.
>
> 	The unit test failure occurs when trying to read 25fv47.mps.gz, but the
> Osi unit test fails in the same manner on a different gzip'd file.  (Note:
> Symbolic links also fail in this environment; assume a full copy of the file
> replaces the symbolic link.)  Mps input fails with a `bad card image' error.
> Some poking around reveals that input is ok for a while (about 100 lines) and
> then becomes corrupted.  The problem looks to be deep --- down in
> CoinGzipFileInput or CoinGetslessFileInput, perhaps in the gz libraries.
>
> 	Before I spend more time on this, I have two questions:
>
>  * Does anyone see this problem with Windows XP?
>
>  * Does anyone actually use the Cygwin/Win2K environment?
>
> No to both questions says this bug probably isn't worth fixing, given the
> relatively simple work-around (copy and unzip files before use).  If the same
> bug shows with XP, then it's probably worth pursuing.
>
> 						Thanks,
> 							Lou
>
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