Re: [Dev-C++] Entry Point in a DLL

[Per W. <pw...@ia...>]

Transmit all pointers as numeric or text handles.
Transmit structure data as comma-separated strings.

When your strange language want to follow a "next" poiinter, it just calls
a
  string = get_next_object_of_type_xx(handle)
or
  res = get_next_object_of_type_xx(handle,string,stringsize)
with the "next" handle as parameter and receives a new comma-separated
string.

If you do use comma-separated strings (CSV), just remember to handle any
commas in string fields, i.e. convert them to hexadecimal or use break
characters etc.

/Per W

On Thu, 3 Aug 2006, Thomas O'Hare wrote:

> Hello All!
>
> I am using Dev-C++ in C++ mode to try and create an entry point into my
> own DLL's based on the WinPCap Libraries.  I need to export several of
> my own functions to languages that do not inherently support C typed
> structures.
>
> I am looking for the cleanest, fasted way to create an entry point for
> my functions so I can use the DLL as a true library for the programming
> languages lacking native structure support.
>
> I can open DLL's in these languages and call functions, but especially
> "chained" (Next) structures are very very tricky to work with in any
> language that does not have native support for C typed structures.
>
> Any docs, resources, suggestions, etc, are welcome.
> --
>
> Thanks,
> ~ Thomas O'Hare ~
> President, RedTile, Inc. - DBA: RedTile Software
> Web, Wireless, Network, Database & Systems Software
> +1.407.295.9148 ; +49.8651.717950 ; http://www.RedTile.Com/
> Operations Manager; Virtual FoxPro User Group
> To...@VF... ; http://www.VFUG.Org/
>
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