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/*
* PARSEC HEADER: gd_host.h
*/
#ifndef _GD_HOST_H_
#define _GD_HOST_H_
// ----------------------------------------------------------------------------
// HOST BYTE ORDER/WORD SIZE RELATED MACROS -
// ----------------------------------------------------------------------------
// endianness conversion functions --------------------------------------------
//
#define FORCESWAP_16(s) ( ((word)(s) >> 8) | ((word)(s) << 8) )
#define FORCESWAP_32(l) ( ( ((dword)(l) ) << 24 ) | \
( ((dword)(l) ) >> 24 ) | \
( ((dword)(l) & 0x0000ff00) << 8 ) | \
( ((dword)(l) & 0x00ff0000) >> 8 ) )
#ifdef SYSTEM_BIG_ENDIAN
// little endian to host (and vice versa)
#define SWAP_16(s) FORCESWAP_16(s)
#define SWAP_32(l) FORCESWAP_32(l)
// big endian to host (and vice versa)
#define SWAP_16_BIG(s) (s)
#define SWAP_32_BIG(l) (l)
#else
// little endian to host (and vice versa)
#define SWAP_16(s) (s)
#define SWAP_32(l) (l)
// big endian to host (and vice versa)
#define SWAP_16_BIG(s) FORCESWAP_16(s)
#define SWAP_32_BIG(l) FORCESWAP_32(l)
#endif // SYSTEM_BIG_ENDIAN
// conversion from seg:ofs address to linear address (DOS32 only) -------------
//
#define MK_LINEAR(seg,ofs) ((void*)((seg<<4)+ofs))
// lo and hi byte and word functions (intentionally not named like in win32) --
//
#ifndef LO_BYTE
#define LO_BYTE(w) ((byte)(w))
#endif
#ifndef HI_BYTE
#define HI_BYTE(w) ((byte)((w)>>8))
#endif
#ifndef LO_WORD
#define LO_WORD(l) ((word)(l))
#endif
#ifndef HI_WORD
#define HI_WORD(l) ((word)((l)>>16))
#endif
#ifndef MAKE_WORD
#define MAKE_WORD(l,h) (((byte)(l))|(((word)(byte)(h))<<8))
#endif
#ifndef MAKE_DWORD
#define MAKE_DWORD(l,h) (((word)(l))|(((dword)(word)(h))<<16))
#endif
#endif // _GD_HOST_H_
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