defines.h

演示如何通过DeviceIoControl来读写硬盘的示例demo

/*
  Notice:      Copyright(c) 2006-2007  - All Rights Reserved    
  
  $Source: H:/SrcBak/cvsroot/clone/protocol/include/defines.h,v $ 
  $Author: Snowtree $ 
  $Revision: 1.1.1.1 $ 
  $Date: 2006/05/18 14:22:28 $ 
  
*/

/**
  \brief: general defines
  
  
*/

#ifndef __DEFINES_H__
#define __DEFINES_H__


/// integer defines
#ifndef _WIN32
typedef signed char         INT8;
typedef signed short        INT16;
typedef signed long         INT32;
typedef signed long   long  INT64;
typedef unsigned char       UINT8;
typedef unsigned short      UINT16;
typedef unsigned long       UINT32;
typedef unsigned long long  UINT64;
#endif //_WIN32

typedef signed char         s8;
typedef unsigned char       u8;

typedef signed short        s16;
typedef unsigned short      u16;

#ifdef _WIN32
typedef signed int          s32;
typedef unsigned int        u32;
#else
typedef signed long         s32;
typedef unsigned long       u32;
#endif

//typedef signed long long    s64;
//typedef unsigned long long  u64;

typedef __int64				s64;
typedef unsigned __int64	u64;



/// boolean defines
#ifndef _WIN32
typedef unsigned char       BOOL;
#endif //_WIN32

/// define VOID
#ifndef VOID
#define VOID                void
typedef char                CHAR;
typedef short               SHORT;
typedef long                LONG;
#endif 

#ifndef FALSE
#define FALSE           0
#endif
#ifndef TRUE
#define TRUE            1
#endif

#ifndef FAILURE
#define FAILURE        -1
#endif
#ifndef SUCCESS
#define SUCCESS         0
#endif

/// max, min defines
#ifdef __GNUC__
#ifndef min
#define min(x,y) ({ \
        const typeof(x) _x = (x);       \
        const typeof(y) _y = (y);       \
/*      (void) (&_x == &_y);  */        \
        _x < _y ? _x : _y; })
#endif
#ifndef max
#define max(x,y) ({ \
        const typeof(x) _x = (x);       \
        const typeof(y) _y = (y);       \
/*      (void) (&_x == &_y);  */        \
        _x > _y ? _x : _y; })
#endif        
#else //__GNUC__
#ifndef min
#define min(x,y)  (((x) < (y)) ? (x) : (y))
#endif
#ifndef max
#define max(x,y)  (((x) > (y)) ? (x) : (y))
#endif
#endif

/// alignment defines
#define ALIGN_FLOOR( x, n )  ( (x) & ~((n)-1) )
#define ALIGN_ROUND( x, n )  ALIGN_FLOOR( (x) + ((n)/2), n )
#define ALIGN_CEIL(  x, n )  ALIGN_FLOOR( (x) + ((n)-1), n )


/// packed defines, in WIN32 should define #pragma pack(1), #pragma pack()
#ifdef __GNUC__
#define PACKED __attribute__((__packed__)) 
#else
#define PACKED
#endif

/// const define
#define CONST const

/// inline define
#ifdef _WIN32
#define INLINE __inline
#else
#define INLINE inline
#endif


/// unused parameter defines to suppress not use warning
#define UNUSED_PARAMETER(x) ((void)(x))

/// C link in C++
#ifndef EXTERN_C
#ifdef __cplusplus
#define EXTERN_C extern "C"
#else
#define EXTERN_C
#endif
#endif

#ifdef __cplusplus
#define EXTERN_C_BLOCKSTART extern "C" {
#define EXTERN_C_BLOCKEND }
#else // __cplusplus
#define EXTERN_C_BLOCKSTART
#define EXTERN_C_BLOCKEND
#endif // __cplusplus


#endif //__DEFINES_H__