windows-server-2003/multimedia/directx/dsound/dsdmo/runtime.h

/***************************************************************************
 *
 *  Copyright (C) 2000-2000 Microsoft Corporation.  All Rights Reserved.
 *
 *  File:       runtime.h
 *  Content:    New versions of C runtime functions.
 *  History:
 *   Date       By      Reason
 *   ====       ==      ======
 *  05/16/2000  jstokes  Created
 *
 ***************************************************************************/

#ifndef __RUNTIME_H__
#define __RUNTIME_H__


// We have BYTE, WORD and DWORD, but no QWORD?
typedef unsigned __int64 QWORD, *LPQWORD;

// Bounderies of numeric types
#define MAX_CHAR        ((CHAR)0x7F)
#define MIN_CHAR        ((CHAR)-0x7F)

#define MAX_UCHAR       ((UCHAR)0xFF)
#define MIN_UCHAR       ((UCHAR)0)

#define MAX_SHORT       ((SHORT)0x7FFF)
#define MIN_SHORT       ((SHORT)-0x7FFF)

#define MAX_USHORT      ((USHORT)0xFFFF)
#define MIN_USHORT      ((USHORT)0)

#define MAX_INT         ((INT)0x7FFFFFFF)
#define MIN_INT         ((INT)-0x7FFFFFFF)

#define MAX_UINT        ((UINT)0xFFFFFFFF)
#define MIN_UINT        ((UINT)0)

#define MAX_LONG        MAX_INT
#define MIN_LONG        MIN_INT

#define MAX_ULONG       MAX_UINT
#define MIN_ULONG       MIN_UINT

#define MAX_INT64       ((INT64)0x7FFFFFFFFFFFFFFF)
#define MIN_INT64       ((INT64)-0x7FFFFFFFFFFFFFFF)

#define MAX_UINT64      ((UINT64)0xFFFFFFFFFFFFFFFF)
#define MIN_UINT64      ((UINT64)0)

#define MAX_LONGLONG    MAX_INT64
#define MIN_LONGLONG    MIN_INT64

#define MAX_ULONGLONG   MAX_UINT64
#define MIN_ULONGLONG   MIN_UINT64

#define MAX_BYTE        MAX_UCHAR
#define MIN_BYTE        MIN_UCHAR

#define MAX_WORD        MAX_USHORT
#define MIN_WORD        MIN_USHORT

#define MAX_DWORD       MAX_ULONG
#define MIN_DWORD       MIN_ULONG

#define MAX_QWORD       MAX_UINT64
#define MIN_QWORD       MIN_UINT64

#define NUMERIC_CAST(val, type) \
            ((type)min(MAX_##type, max(MIN_##type, val)))

// Sundown
#ifdef WIN64

#pragma warning(disable:4311)   // type cast truncation

#ifndef __midl

__inline unsigned long PtrDiffToUlong(__int64 n64)
{
    return((unsigned long)n64);
}

__inline long PtrDiffToLong(__int64 n64)
{
    return((long)n64);
}

__inline int PtrDiffToInt(__int64 n64)
{
    return((int)n64);
}

#endif // __midl

#pragma warning(3:4311)   // type cast truncation

#else // WIN64

#define PtrDiffToUlong(n64) \
            ((unsigned long)(n64))

#define PtrDiffToLong(n64) \
            ((long)(n64))

#define PtrDiffToInt(n64) \
            ((int)(n64))

#endif // WIN64


#endif // __RUNTIME_H__