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From: Ashley King <ashleyking@my-deja.com>
Subject: Calling C from Ada - link problem
Date: 2000/03/09
Message-ID: <8a803u$906$1@nnrp1.deja.com>#1/1
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Date: 2000-03-09T00:00:00+00:00
List-Id: <comp.lang.ada>

Hello everybody. I hope someone can help me.

I am trying to call a C function from Ada. I am using ObjectAda 7.1.1
and MS Visual C++ 6. Everything compiles. When I try to link on the Ada
side, I get the following error:

whatever.lib: fatal error LNK1106: invalid file or disk full: cannot
seek to 0x...

My disk is definitely not full, and I have looked through past Usenet
messages using Deja and none of the other suggestions or comments that I
saw have made any difference.

The C project was created as a Win32 Dynamic-Link Library, and the build
produces .DLL, .EXP and .LIB files plus some others. I have put the path
that contains these files into the ObjectAda Project Settings under
Search links of type Normal.


The Ada code I am using is, essentially:

WITH INTERFACES.C ;
...
FUNCTION whatever RETURN INTERFACES.C.INT ;
PRAGMA IMPORT ( C, whatever, "whatever" ) ;


The C code I am using is, in full:

whatever.h:

#ifdef __cplusplus
extern "C" {
#endif
__declspec(dllexport) int whatever();
#ifdef __cplusplus
}
#endif

whatever.cpp:

#include "whatever.h"
int whatever()
{
  return 12345;
}


Thanks for any help.

Regards,
Ashley

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