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List:       mingw-users
Subject:    Re: [Mingw-users] using mingw DLLs with Borland c builder
From:       Greg Chicares <chicares () mindspring ! com>
Date:       2004-03-30 1:59:51
Message-ID: 4068D497.44F97C3F () mindspring ! com
[Download RAW message or body]

brahmaiah vallabhaneni wrote:
> 
>  I have a dll, created in mingw environment. I am
>  trying to link this from Borland c builder.
>  But when I call a function, which has the following
>  implementation, the program crashes.
> 
>   extern "C" int MyFun1 (string &s1)
>   {
>       cout <<"String s1 is " <<s1<<endl;
>       return 0;
>   }
> 
>  I am confused why a program that takes an ANSI
>  string as parameter should crash.

The language linkage 'extern "C"' may defeat name mangling,
but the argument is of a C++ class type whose layout probably
differs between these compilers. Try passing a char* instead.


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