windows-nt/Source/XPSP1/NT/multimedia/dshow/streams/ddstream/crtfree.h
2020-09-26 16:20:57 +08:00

68 lines
1.4 KiB
C

// Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
//
// Code to help free modules from the bondage and tyranny of CRT libraries
//
// Include this header in a single component and #define CPP_FUNCTIONS
//
#if defined(__cplusplus) && defined(CPP_FUNCTIONS)
void * __cdecl operator new(unsigned int nSize)
{
// Zero init just to save some headaches
return((LPVOID)LocalAlloc(LPTR, nSize));
}
void __cdecl operator delete(void *pv)
{
LocalFree((HLOCAL)pv);
}
extern "C" int __cdecl _purecall(void) {return 0;}
#endif
#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
#ifndef _M_PPC
#pragma intrinsic(memcpy)
#pragma intrinsic(memcmp)
#pragma intrinsic(memset)
#endif
#endif
#endif // __CRTFREE_H_