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Date: Fri, 20 Apr 2001 12:28:27 -0400
To: Christian Lescher <christian AT lescher DOT de>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: AW: DLL function with string result?
Cc: Lescher Christian <christian DOT lescher AT icn DOT siemens DOT de>,
        "'Andrew Markebo'" <flognat AT flognat DOT myip DOT org>,
        Troy Noble <troy DOT noble AT channelpoint DOT com>, cygwin AT cygwin DOT com
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At 12:00 PM 4/20/2001, Christian Lescher wrote:
> > Yes, there is a general problem when you want to allocate in one DLL made
> > by one compiler and de-allocate in another built be another compiler.  In
> > this case, the heaps are different.  This is not a Cygwin-specific issue.
>
>I see. Would it be possible then to define a second function within the DLL, let's say freeStr(const char* resStr) which releases the memory
>again?


Yes, that should work better.


>And should Troy Noble's code then work for strings > 64 KB, too? (Currently, I get an access violation, even when not freeing the allocated
>memory outside the DLL.)


I'm not sure where this issue of strings > 64KB is coming from.  Sounds like
some sort of 16-bit 9x issue to me...



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


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