Mailing-List:	contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT sources DOT redhat DOT com>
List-Archive:	<http://sources.redhat.com/ml/cygwin/>
List-Post:	<mailto:cygwin AT sources DOT redhat DOT com>
List-Help:	<mailto:cygwin-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender:	cygwin-owner AT sources DOT redhat DOT com
Delivered-To:	mailing list cygwin AT sources DOT redhat DOT com
Message-Id:	<4.3.1.2.20010420122559.0224b5f0@pop.ma.ultranet.com>
X-Sender:	lhall AT pop DOT ma DOT ultranet DOT com
X-Mailer:	QUALCOMM Windows Eudora Version 4.3.1
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
In-Reply-To:	<3AE05CFF.9D92E32F@lescher.de>
References:	<4 DOT 3 DOT 1 DOT 2 DOT 20010420103953 DOT 022a2700 AT pop DOT ma DOT ultranet DOT com>
Mime-Version:	1.0

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


--
Want to unsubscribe from this list?
Check out: http://cygwin.com/ml/#unsubscribe-simple

- Raw text -