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Re: help on libcurl (Win32 - Generic) with Borland C++ Builder

From: Andre Guibert de Bruet <andy_at_siliconlandmark.com>
Date: Wed, 18 Jul 2007 08:55:03 -0400

On Jul 18, 2007, at 7:38 AM, Cheng-Lin Yang wrote:

> Dear all,
> I tried to google for the answer, but failed. So I come to here
> for help. I'm now using libcurl 7.16.4 (without SSL) Win32 - Generic
> version with Borland C++ Builder 2006. I used LoadLibrary to load
> the dll file which is extracted from libcurl-7.16.4-win32-nossl.zip.
> But I don't know how to use the function in liburl-4.dll.(I know
> I should use GerProcAddress to do so, but is there any example?)
> Can someone here help me on this? Thanks. :)
>
> My code:
> if( ( cl = LoadLibrary( "c:\\libcurl-4.dll" ) ) == NULL ){
> MessageBox(NULL, "I can't load libcurl","DingDing", 0);
> return;
> }
>
> I_dont_know_how_to_get = GetProcAddress(cl, "curl_easy_init" );

I strongly suggest you use the import library and not deal with the
mess of assigning the right function pointer for each curl easy
function. Just in case you decide not to, here is an example I have
put together from an unrelated project (Names have been sanitized, of
course ;-) ):

typedef char *(*FNGETSTRING)(int);

void dosomethinguseful()
{
        char *blah;
        FNGETSTRING foo;

        ...

        foo = (FNGETSTRING) GetProcAddress(hDLL /* From LoadLibrary */, "foo");
        blah = foo(1); /* you are calling the GetProcAddress'ed function */
        
        ...
}

Cheers,

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Received on 2007-07-18