global static pointer variable in DLL

[Zarathustra]

Bill Baxter Wrote:

> Zarathustra wrote:
> > torhu Wrote:
> > 
> >> Zarathustra wrote:
> >>> I have a C DLL whih global static pointer variables.
> >>> When I use this DLL with C everything is ok, but when I try to use it (DLL) with D I receive Acces Violation errors.
> >>> I do not have any idea what is wrong. If something is inexplicable, You will ask. Please help.
> >>>
> >>> simple example code in dll
> >>> gl2ps is global pointer
> >>> [code]
> >>> if(gl2ps){/* 
> >>> never true in C but true in D*/}
> >>> [/code]
> >>>
> >> It's a bit hard to know what the problem is when you don't post some 
> >> more code.  How do you declare gl2ps in D?  If it's in a C DLL, it 
> >> should look like this:
> >>
> >> export extern extern (C) void* gl2ps;
> >>
> >> Replace void* with the correct type, of course.
> >>
> >> And in the C code IIRC it should be:
> >>
> >> __declspec(dllexport) void* gl2ps;
> > 
> > gl2ps is not exported because it is not necessary beyond DLL.
> > gl2ps declaration in DLL is following:
> > static GL2PScontext *gl2ps = NULL;
> > for example:
> > The crash occurs in exported gl2psBeginPage function. (in attachment)
> > Declaration of above function in D is following:
> > extern (C) GLint gl2psBeginPage;	// static linking
> > 
> > DLL is little long but very simple, so I can send it to you.
> 
> You might be interested in my Frankenstein's hybrid of gl2ps and OGLE. 
> It allows basically allows you to do what gl2ps does, but 
> non-invasively.  I.e. you can gl2ps an OpenGL screen without modifying 
> any source code.
> 
> --bb
It sounds good.
Could You tell something more about your Frankenstein's hybrid? Where can i find more information about it?