sbgTypes.h

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#ifndef __SBG_TYPES_H__
#define __SBG_TYPES_H__

//----------------------------------------------------------------------//
//- Limits definitions                                                 -//
//----------------------------------------------------------------------//
#define SBG_MIN_INT_8                                   (-128)
#define SBG_MAX_INT_8                                   (127)
#define SBG_HALF_UINT_8                                 (128)
#define SBG_MAX_UINT_8                                  (255)

#define SBG_MIN_INT_16                                  (-32768)
#define SBG_MAX_INT_16                                  (32767)
#define SBG_HALF_UINT_16                                (32768)
#define SBG_MAX_UINT_16                                 (65535)

#define SBG_MIN_INT_24                                  (-8388608l)
#define SBG_MAX_INT_24                                  (8388607l)
#define SBG_HALF_UINT_24                                (8388608ul)
#define SBG_MAX_UINT_24                                 (16777216ul)

#define SBG_MIN_INT_32                                  (-2147483647l - 1)
#define SBG_MAX_INT_32                                  (2147483647l)
#define SBG_HALF_UINT_32                                (2147483648ul)
#define SBG_MAX_UINT_32                                 (4294967295ul)

#define SBG_MIN_INT_64                                  (-9223372036854775807ll - 1)
#define SBG_MAX_INT_64                                  (9223372036854775807ll)
#define SBG_HALF_UINT_64                                (9223372036854775808ull)
#define SBG_MAX_UINT_64                                 (0xFFFFFFFFFFFFFFFFull)

//----------------------------------------------------------------------//
//- Scalar types definitions                                           -//
//----------------------------------------------------------------------//
typedef unsigned        char                    uint8;          //  8 bits
typedef unsigned        short                   uint16;         // 16 bits
typedef unsigned        int                             uint32;         // 32 bits
typedef unsigned        int                             bool32;         // Boolean that has a fixed size of 32 bits.
typedef unsigned        long long int   uint64;         // 64 bits

typedef signed          char                    int8;           //  8 bits
typedef signed          short                   int16;          // 16 bits
typedef signed          int                             int32;          // 32 bits
typedef signed          long long int   int64;          // 64 bits

//----------------------------------------------------------------------//
//- Misc types definitions                                             -//
//----------------------------------------------------------------------//
typedef uint32                                          sbgIpAddress;                                   
//------------------------------------------------------------------//
//- Type punning safe conversion unions                            -//
//------------------------------------------------------------------//

typedef union _Uint8PtrToUint32Ptr
{
        uint8   *m_pointerUint8;                                
        uint32  *m_pointerUint32;                               
} Uint8PtrToUint32Ptr;

typedef union _Uint8ToInt16
{
        int16   value;
        uint8   buffer[2];
} Uint8ToInt16;

typedef union _Uint8ToUint16
{
        uint16  value;
        uint8   buffer[2];
} Uint8ToUint16;

typedef union _Uint8ToInt32
{
        int32   value;
        uint8   buffer[4];
} Uint8ToInt32;

typedef union _Uint8ToUint32
{
        uint32  value;
        uint8   buffer[4];
} Uint8ToUint32;

typedef union _FloatNint
{
        float valF;
        int32 valI;
        uint32 valU;
} FloatNint;

typedef union _DoubleNint
{
        double valF;
        uint64 valU;
        int64 valI;
} DoubleNint;

typedef struct _Split64
{
        uint32 high;
        uint32 low;
} Split64;

typedef struct _DateStructure
{
        uint16  year;
        uint8   month;
        uint8   day;
} DateStructure;

#endif  /* __SBG_TYPES_H__ */