System Macros

Macros
#define	WORD_SWAP(x)
#define	DWORD_SWAP(x)
#define	QWORD_SWAP(x)
#define	MAX(a, b)   (((a) > (b)) ? (a) : (b))
#define	MIN(a, b)   (((a) < (b)) ? (a) : (b))
#define	ABS(a)   (((a) < 0) ? -(a) : (a))
#define	TELL(fh)   lseek(fh, 0, SEEK_CUR)
#define	TRUNCATE(fh)   ftruncate(fh, TELL(fh))

Detailed Description

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Macro Definition Documentation

ABS

#define ABS

(

a

)

(((a) < 0) ? -(a) : (a))

Definition at line 239 of file msystem.h.

DWORD_SWAP

#define DWORD_SWAP

(

x

)

Value:

                       { BYTE _tmp;                              \
                       _tmp= *((BYTE *)(x));                    \
                       *((BYTE *)(x)) = *(((BYTE *)(x))+3);     \
                       *(((BYTE *)(x))+3) = _tmp;               \
                       _tmp= *(((BYTE *)(x))+1);                \
                       *(((BYTE *)(x))+1) = *(((BYTE *)(x))+2); \
                       *(((BYTE *)(x))+2) = _tmp; }

SWAP DWORD macro

Definition at line 74 of file msystem.h.

MAX

#define MAX	(		a,
			b
	)		(((a) > (b)) ? (a) : (b))

Definition at line 231 of file msystem.h.

MIN

#define MIN	(		a,
			b
	)		(((a) < (b)) ? (a) : (b))

Definition at line 235 of file msystem.h.

QWORD_SWAP

#define QWORD_SWAP

(

x

)

Value:

                       { BYTE _tmp;                              \
                       _tmp= *((BYTE *)(x));                    \
                       *((BYTE *)(x)) = *(((BYTE *)(x))+7);     \
                       *(((BYTE *)(x))+7) = _tmp;               \
                       _tmp= *(((BYTE *)(x))+1);                \
                       *(((BYTE *)(x))+1) = *(((BYTE *)(x))+6); \
                       *(((BYTE *)(x))+6) = _tmp;               \
                       _tmp= *(((BYTE *)(x))+2);                \
                       *(((BYTE *)(x))+2) = *(((BYTE *)(x))+5); \
                       *(((BYTE *)(x))+5) = _tmp;               \
                       _tmp= *(((BYTE *)(x))+3);                \
                       *(((BYTE *)(x))+3) = *(((BYTE *)(x))+4); \
                       *(((BYTE *)(x))+4) = _tmp; }

SWAP QWORD macro

Definition at line 86 of file msystem.h.

TELL

#define TELL

(

fh

)

lseek(fh, 0, SEEK_CUR)

Definition at line 243 of file msystem.h.

TRUNCATE

#define TRUNCATE

(

fh

)

ftruncate(fh, TELL(fh))

Definition at line 249 of file msystem.h.

WORD_SWAP

#define WORD_SWAP

(

x

)

Value:

                       { BYTE _tmp;                               \
                       _tmp= *((BYTE *)(x));                    \
                       *((BYTE *)(x)) = *(((BYTE *)(x))+1);     \
                       *(((BYTE *)(x))+1) = _tmp; }

SWAP WORD macro

Definition at line 65 of file msystem.h.