Problem with a .dll file

Hi!

I have a problem freeing a memory which was allocated in a .DLL file. I found this in a "dbgheap.c" file -> "Pointers from

non-local heaps cannot be handled. For example, a non-local pointer may come from a DLL that has the CRT linked-in."

So, my question is, how can I free a memory which was allocated in a .DLL file?

This is the code:

in .DLL file I have two files compiled, translate.c and translate.h

Code:

/*
	TRANSLATE.C
*/
# include <windows.h>
# include <time.h>
# define DLL_EXPORT
# include "translate.h"



char *ReadLanguage (LPCTSTR SectionName, LPCTSTR KeyName, LPCTSTR lpDefault, DWORD nSize, LPCTSTR FileName)
{
	char *ReadedString = NULL;
	


	if ((ReadedString = malloc (sizeof (char) * nSize)) != NULL)
	{
		GetPrivateProfileString (SectionName, KeyName, lpDefault, ReadedString, nSize, FileName);
	}
	else
	{
		// error checking
		printf ("Error occured!");
	}
	return ReadedString;
}

Code:

/*
	TRANSLATE.H
*/
# ifndef TRANSLATE_H
# define TRANSLATE_H



# ifndef DLL_EXPORT
# define DLL_SPEC __declspec (dllimport) 
# else 
# define DLL_SPEC __declspec (dllexport)
# endif



// function prototype
char DLL_SPEC *ReadLanguage (LPCTSTR SectionName, LPCTSTR KeyName, LPCTSTR lpDefault, DWORD nSize, LPCTSTR FileName);



# endif // TRANSLATE_H

Now, everything is compiled into a "cui.dll" file.

And this is the project that is using the .DLL file.

Code:

/*
	MAIN.C
*/
# include <windows.h>
# include <stdio.h>
# include <time.h>
# include "translate.h"



# pragma comment (lib, "cui.lib")


int main ()
{
        char *TempINI = NULL;



	if ((TempINI = ReadLanguage ("BLA", "KEY_1", "NULL", 80, "./en.lng")) == NULL) // ReadLanguage is in a .DLL file
	{
		printf ("Error occured!");
	}
	else
	{
		if ((short) atoi (TempINI))
		{
			printf ("VICTORY!");
		}
		free (TempINI); TempINI = NULL; // this is where the unhandled exception raises
	}
    return 0;
}

So, if anyone knows how could this problem be solved, PLEASE tell me.

Thank you!

Either provide the DLL with memory to use:

Code:

DLL_SPEC void ReadLanguage(LPCTSTR SectionName, LPCTSTR KeyName, LPCTSTR lpDefault, LPTSTR Results, DWORD nSize, LPCTSTR FileName);

Or provide another API for releasing resources:

Code:

DLL_SPEC void FreeString(LPCTSTR str);

Also, "LPCTSTR" is a pointer to constant TCHAR, but all your code assumes char. If you use TCHAR, you should use it exclusively. Otherwise, use the following Win32 types:
"LPSTR" = char*
"LPCSTR" = const char*

Or don't use Win32 types at all.

gg

I provided DLL with another API for releasing resources and it is working now.