windows-xp/Source/XPSP1/NT/shell/inc/crtfree.h

//
// Code to help free modules from the bondage and tyranny of CRT libraries
//
// Include this header in a single component and #define DECL_CRTFREE.
// (CPP_FUNCTIONS is the old name.)
//

#if defined(__cplusplus) && (defined(CPP_FUNCTIONS) || defined(DECL_CRTFREE))

#ifndef UNIX

void *  __cdecl operator new(size_t nSize)
{
    // Zero init just to save some headaches
    return (LPVOID)LocalAlloc(LPTR, nSize);
}

void  __cdecl operator delete(void *pv)
{
    //delete and LocalFree both handle NULL, others don't
    //If changed to GlobalFree or HeapFree - must check for NULL here
    LocalFree((HLOCAL)pv);
}
#endif

extern "C" int __cdecl _purecall(void) 
{
#ifdef ASSERT_MSG
    ASSERT_MSG(0, "purecall() hit");
#endif

#ifdef DEBUG
    DebugBreak();
#endif // DEBUG
    return 0;
}

#endif  // DECL_CRTFREE


#ifdef __cplusplus
extern "C" {
#endif

#if defined(DEFINE_FLOAT_STUFF)
// If you aren't using any floating-point CRT functions and you know
// you aren't performing any float conversions or arithmetic, yet the
// linker wants these symbols declared, then define DEFINE_FLOAT_STUFF.
//
// Warning: declaring these symbols in a component that needs floating
// point support from the CRT will produce undefined results.  (You will
// need fp support from the CRT if you simply perform fp arithmetic.)

int _fltused = 0;
void __cdecl _fpmath(void) { }
#endif

#ifdef __cplusplus
};
#endif

//
// This file should be included in a global component header
// to use the following
//

#ifndef __CRTFREE_H_
#define __CRTFREE_H_

#ifdef __cplusplus

#endif

#endif  // __CRTFREE_H_