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From: Eike Lange
Subject: External CString
Date: 28 Oct 2005, 16:43:36

Hi Folks!

In a C wrapper file, I have the declaration

/* xmlc.c */
const char* _c_CXML_DEFAULT_VERSION = XML_DEFAULT_VERSION;

Now, I would like to use it in pascal.

{ xml.pas, Unit }
unit XML;

interface

var
C_HELPER_XML_DEFAULT_VERSION: CString; external name
       '_c_CXML_DEFAULT_VERSION'; attribute (const);

XML_DEFAULT_VERSION: TString = 
    CString2String (C_HELPER_XML_DEFAULT_VERSION);

implementation
{$L xmlc.c}
end.


Using this unit results in an error:
"cannot evaluate this expression from a global declaration"
"Error initial value is of wrong type".

How can I use my string constant in GPC?

Eike

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