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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Mon, 21 Jun 2004 11:34:33 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: 3APA3A <3APA3A AT SECURITY DOT NNOV DOT RU>
cc: cygwin AT cygwin DOT com
Subject: Re: Compiling DLLs to be used from native Win32 application
In-Reply-To: <419004530.20040621185653@SECURITY.NNOV.RU>
Message-ID: <Pine.GSO.4.58.0406211131391.3356@slinky.cs.nyu.edu>
References: <419004530 DOT 20040621185653 AT SECURITY DOT NNOV DOT RU>
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On Mon, 21 Jun 2004, 3APA3A wrote:

> Dear cygwin<at>cygwin<dot>com,

Umm, is that the wisest choice of address?  Let's not feed the spam
harvesters.

>  I saw this problem was raised for few times on list, but do not see
>  final solution.  I want to create native Windows frontend to
>  cygwin-based dynamic library.
>
>  What I did:
>
>  1. I did DLL, it works fine with cygwin application.
>  2. If I try to use it from native application it hangs on LoadLibrary.
>  3. I did DllMain function with impure_ptr initialization and finally
>     compiled as described in FAQ.
>  4. Now  DLL loads and simple functions (for example strcpy()/ctrcat()
>     based) work OK, but any "syscall" from DLL to cygwin function (for
>     example printf()) causes NULL pointer reference.
>
>  Is subj possible? May be some additional initialization is required?

Does <http://cygwin.com/ml/cygwin/2004-06/msg00274.html> help?
	Igor
-- 
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