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Date: Tue, 04 May 2004 15:03:15 -0400
To: Ted Yu <ted_yu AT yahoo DOT com>, cygwin AT cygwin DOT com
From: Larry Hall <cygwin-lh AT cygwin DOT com>
Subject: Re: DLL generation under Cygwin
In-Reply-To: <20040504171944.76611.qmail@web12104.mail.yahoo.com>
References: <20040504171944 DOT 76611 DOT qmail AT web12104 DOT mail DOT yahoo DOT com>
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If your DLL was built against the Cygwin DLL, you'll have difficulties
because the Cygwin DLL won't be loaded properly.  Try building with 
'gcc -mno-cygwin'.  Of course, if you need the POSIX APIs Cygwin 
provides, you'll now have to do some porting.

Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746                     



At 01:19 PM 5/4/2004, you wrote:
>Hi,
>Here is some information on exception:
>          if (!hFFT) {
>            hFFT = LoadLibrary("djbfft.dll");
>            status = GetLastError();    // 998 invalid memory
>access
>            rfour2d = (RFOUR2D) GetProcAddress(hFFT,
>"rfft2d_djb");
>          }
>
>000f77d0()
>fft_general_0(float * 0x02e90040, int 256, int 512,
>int 1) line 163 + 17 bytes
>bpcorr(const unsigned char * 0x02cedcf8, int 240, int
>320, int 0, int 0, int 240, int 320, const unsigned
>char * 0x02d00940, int -110, int 110, int -110, int
>110, int 4, int 4, int 2, float * 0x0223d0e0, float *
>0x0223d0a0, float * 0x0223d27c, float * 0x0223d060)
>line 1121 + 28 bytes
>
>Note: forwarded message attached.
>
>
>
>    
>        
>__________________________________
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>http://hotjobs.sweepstakes.yahoo.com/careermakeover X-Apparently-To: ted_yu AT yahoo DOT com via 216.136.172.28; Mon, 03 May 2004 18:41:58 -0700
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>Date: Mon, 3 May 2004 18:41:58 -0700 (PDT)
>From: Ted Yu <ted_yu AT yahoo DOT com>
>Subject: Re: DLL generation under Cygwin
>To: DJ Delorie <dj AT delorie DOT com>
>In-Reply-To: <200405020341 DOT i423fK4n020958 AT envy DOT delorie DOT com>
>MIME-Version: 1.0
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>
>Hi, DJ:
>I produced a DLL with two exported functions through
>Cygwin.
>I also generated import library for it.
>When Windows application calls the function, I
>immediately encountered exception.
>I tried to call LoadLibrary() and got error 998 -
>invalid memory access.
>
>Any hint ?
>Thanks
>
>
>    
>        
>__________________________________
>Do you Yahoo!?
>Win a $20,000 Career Makeover at Yahoo! HotJobs  
>http://hotjobs.sweepstakes.yahoo.com/careermakeover 
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