Windows2000/private/windows/media/avi/inc.16/alias.h
2020-09-30 17:12:32 +02:00

129 lines
3.2 KiB
C

/***********************************************************************
// ALIAS.H
// Copyright (c) 1992 - Microsoft Corp.
// All rights reserved.
// Microsoft Confidential
// Global constants and data types used by the Jaguar file engine.
***********************************************************************/
//**********************************************************************
// Normal variable typedefs. These type defs are compatible with OS2
// typedefs.
//**********************************************************************
#ifndef CHAR
typedef char CHAR;
#endif
#ifndef UCHAR
typedef unsigned char UCHAR;
#endif
#ifndef INT
typedef int INT;
#endif
#ifndef UINT
typedef unsigned int UINT;
#endif
#ifndef UL
typedef unsigned long UL;
#endif
#if 0
#ifndef FLOAT
typedef float FLOAT;
#endif
#endif
#ifndef DOUBLE
typedef double DOUBLE;
#endif
#ifndef LONG
typedef long LONG;
#endif
//**********************************************************************
// ANY_TYPE
// This is a union which can be used to cast any type to a basic
// data type.
//**********************************************************************
typedef union
{
CHAR Byte;
UCHAR uByte;
INT Word;
UINT uWord;
LONG Dword;
UL uDword;
} ANY_TYPE;
//**********************************************************************
// Standard global constants.
// Don't change the TRUE define because some functions depend on it being
// 1 instead of !FALSE.
//**********************************************************************
#ifndef FALSE
#define FALSE 0
#define TRUE 1
#endif
#ifndef EOL
#define EOL '\0'
#endif
#ifndef OK
#define OK 0
#endif
//**********************************************************************
// DeReference macro for unused function arguments
//**********************************************************************
#ifndef DeReference
#ifdef _lint
#define DeReference( x ) x = x
#else
#define DeReference( x ) x = x
#endif
#endif
//**********************************************************************
// MAX_PATH is the max path string length.
//**********************************************************************
#ifndef WIN32
#ifndef MAX_PATH
#define MAX_PATH 256 // Really 64 but compatible with OS2
#else
#if MAX_PATH != 256 // Error check
#error
#endif
#endif
#endif
#ifndef MAX_DIR_DEPTH
#define MAX_DIR_DEPTH 32 // Directory levels supported by DOS
#else
#if MAX_DIR_DEPTH != 32 // Error check
#error
#endif
#endif
#ifndef DIR_NAME_LEN
#define DIR_NAME_LEN (8+3) // Len of FCB type file name
#else
#if DIR_NAME_LEN != (8+3) // Error check
#error
#endif
#endif