misc.h File Reference

#include <stdint.h>
#include "Xosdefs.h"
#include <stddef.h>
#include "Xfuncs.h"

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Macros
#define	MAXSCREENS   3
#define	MAXCLIENTS   128
#define	MAXFORMATS   8
#define	MAXVISUALS_PER_SCREEN   50
#define	TRUE   1
#define	FALSE   0
#define	NullBox   ((BoxPtr)0)
#define	MILLI_PER_MIN   (1000 * 60)
#define	MILLI_PER_SECOND   (1000)
#define	USE_BACKGROUND_PIXEL   3
#define	USE_BORDER_PIXEL   3
#define	lswapl(x)
#define	lswaps(x)   ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))
#define	min(a, b)   (((a) < (b)) ? (a) : (b))
#define	max(a, b)   (((a) > (b)) ? (a) : (b))
#define	abs(a)   ((a) > 0 ? (a) : -(a))
#define	fabs(a)   ((a) > 0.0 ? (a) : -(a)) /* floating absolute value */
#define	sign(x)   ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
#define	modulus(a, b, d)   if (((d) = (a) % (b)) < 0) (d) += (b)
#define	lowbit(x)   ((x) & (~(x) + 1))
#define	MAXSHORT   32767
#define	MINSHORT   -MAXSHORT
#define	LengthRestB(stuff)   (((uint32_t)stuff->length << 2) - sizeof(*stuff))
#define	LengthRestS(stuff)   (((uint32_t)stuff->length << 1) - (sizeof(*stuff) >> 1))
#define	LengthRestL(stuff)   ((uint32_t)stuff->length - (sizeof(*stuff) >> 2))
#define	SwapRestS(stuff)   SwapShorts((short *)(stuff + 1), LengthRestS(stuff))
#define	SwapRestL(stuff)   SwapLongs((int32_t *)(stuff + 1), LengthRestL(stuff))
#define	swapl(x, n)
#define	swaps(x, n)
#define	cpswapl(src, dst)
#define	cpswaps(src, dst)

Typedefs
typedef unsigned char *	pointer
typedef int	Bool
typedef uint32_t	PIXEL
typedef uint32_t	ATOM

Functions
void	SwapLongs ()
void	SwapShorts ()

Variables
uint32_t	globalSerialNumber
uint32_t	serverGeneration

Macro Definition Documentation

abs

#define abs

(

a

)

((a) > 0 ? (a) : -(a))

Definition at line 90 of file misc.h.

cpswapl

#define cpswapl	(		src,
			dst
	)

Value:

                 ((char *)&(dst))[0] = ((char *) &(src))[3];\
                 ((char *)&(dst))[1] = ((char *) &(src))[2];\
                 ((char *)&(dst))[2] = ((char *) &(src))[1];\
                 ((char *)&(dst))[3] = ((char *) &(src))[0];

Definition at line 142 of file misc.h.

cpswaps

#define cpswaps	(		src,
			dst
	)

Value:

         ((char *) &(dst))[0] = ((char *) &(src))[1];\
         ((char *) &(dst))[1] = ((char *) &(src))[0];

Definition at line 149 of file misc.h.

fabs

#define fabs

(

a

)

((a) > 0.0 ? (a) : -(a)) /* floating absolute value */

Definition at line 93 of file misc.h.

FALSE

#define FALSE   0

Definition at line 62 of file misc.h.

LengthRestB

#define LengthRestB

(

stuff

)

(((uint32_t)stuff->length << 2) - sizeof(*stuff))

Definition at line 113 of file misc.h.

LengthRestL

#define LengthRestL

(

stuff

)

((uint32_t)stuff->length - (sizeof(*stuff) >> 2))

Definition at line 119 of file misc.h.

LengthRestS

#define LengthRestS

(

stuff

)

(((uint32_t)stuff->length << 1) - (sizeof(*stuff) >> 1))

Definition at line 116 of file misc.h.

lowbit

#define lowbit

(

x

)

((x) & (~(x) + 1))

Definition at line 105 of file misc.h.

lswapl

#define lswapl

(

x

)

Value:

                   ((((x) & 0xff) << 24) |\
                   (((x) & 0xff00) << 8) |\
                   (((x) & 0xff0000) >> 8) |\
                   (((x) >> 24) & 0xff))

Definition at line 79 of file misc.h.

lswaps

#define lswaps

(

x

)

((((x) & 0xff) << 8) | (((x) >> 8) & 0xff))

Definition at line 85 of file misc.h.

max

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

Definition at line 88 of file misc.h.

MAXCLIENTS

#define MAXCLIENTS   128

Definition at line 50 of file misc.h.

MAXFORMATS

#define MAXFORMATS   8

Definition at line 51 of file misc.h.

MAXSCREENS

#define MAXSCREENS   3

Definition at line 49 of file misc.h.

MAXSHORT

#define MAXSHORT   32767

Definition at line 107 of file misc.h.

MAXVISUALS_PER_SCREEN

#define MAXVISUALS_PER_SCREEN   50

Definition at line 52 of file misc.h.

MILLI_PER_MIN

#define MILLI_PER_MIN   (1000 * 60)

Definition at line 67 of file misc.h.

MILLI_PER_SECOND

#define MILLI_PER_SECOND   (1000)

Definition at line 68 of file misc.h.

min

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

Definition at line 87 of file misc.h.

MINSHORT

#define MINSHORT   -MAXSHORT

Definition at line 108 of file misc.h.

modulus

#define modulus	(		a,
			b,
			d
	)		if (((d) = (a) % (b)) < 0) (d) += (b)

Definition at line 97 of file misc.h.

NullBox

#define NullBox   ((BoxPtr)0)

Definition at line 66 of file misc.h.

sign

#define sign

(

x

)

((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))

Definition at line 95 of file misc.h.

swapl

#define swapl	(		x,
			n
	)

Value:

         n = ((char *) (x))[0];\
         ((char *) (x))[0] = ((char *) (x))[3];\
         ((char *) (x))[3] = n;\
         n = ((char *) (x))[1];\
         ((char *) (x))[1] = ((char *) (x))[2];\
         ((char *) (x))[2] = n;

Definition at line 129 of file misc.h.

SwapRestL

#define SwapRestL

(

stuff

)

SwapLongs((int32_t *)(stuff + 1), LengthRestL(stuff))

Definition at line 125 of file misc.h.

SwapRestS

#define SwapRestS

(

stuff

)

SwapShorts((short *)(stuff + 1), LengthRestS(stuff))

Definition at line 122 of file misc.h.

swaps

#define swaps	(		x,
			n
	)

Value:

         n = ((char *) (x))[0];\
         ((char *) (x))[0] = ((char *) (x))[1];\
         ((char *) (x))[1] = n

Definition at line 137 of file misc.h.

TRUE

#define TRUE   1

Definition at line 61 of file misc.h.

USE_BACKGROUND_PIXEL

#define USE_BACKGROUND_PIXEL   3

Definition at line 74 of file misc.h.

USE_BORDER_PIXEL

#define USE_BORDER_PIXEL   3

Definition at line 75 of file misc.h.

Typedef Documentation

ATOM

typedef uint32_t ATOM

Definition at line 57 of file misc.h.

Bool

typedef int Bool

Definition at line 55 of file misc.h.

PIXEL

typedef uint32_t PIXEL

Definition at line 56 of file misc.h.

pointer

typedef unsigned char* pointer

Definition at line 54 of file misc.h.

Function Documentation

SwapLongs()

void SwapLongs

(

)

SwapShorts()

void SwapShorts

(

)

Variable Documentation

globalSerialNumber

uint32_t globalSerialNumber

serverGeneration

uint32_t serverGeneration