/**************************************************************************** * * Copyright (C) 1993 Kendall Bennett. * All rights reserved. * * Filename: $RCSfile: debug.h $ * Version: $Revision: 1.6 $ * * Language: ANSI C * Environment: any * * Description: General header file for portable code. * * $Id: debug.h 1.6 92/03/15 12:51:48 kjb Exp $ * * Revision History: * ----------------- * * $Log: debug.h $ * Revision 1.6 92/03/15 12:51:48 kjb * Added MK_FP macro and ushort typedef. * * Revision 1.5 91/10/28 03:17:33 kjb * Ported to the Iris. * * Revision 1.4 91/09/26 15:29:02 kjb * Added stuff for the SGI Iris 4D. * * Revision 1.3 91/09/26 10:07:04 kjb * Added general typedef stuff. * * Revision 1.2 91/09/03 18:19:14 ROOT_DOS * Added a few defines that are supplied by for UNIX compatibility. * * Revision 1.1 91/08/16 13:19:06 ROOT_DOS * Initial revision * ****************************************************************************/ #ifndef __DEBUG_H #define __DEBUG_H #ifdef DEBUG # define D(x) x #else # define D(x) #endif #define PRIVATE static #define PUBLIC #if defined(__MSDOS__) /* Compiling for MSDOS */ # define MS(x) x # define OS(x) # define UX(x) # define IR(x) # define _8086 /* We know we have an 8086 type processor */ #if defined(__COMPACT__) || defined(__LARGE__) || defined(__HUGE__) # define LDATA #ifndef NULL # define NULL 0L #endif #else #ifndef NULL # define NULL 0 #endif #endif #elif defined(__OS2__) /* Compiling for 32 bit OS/2 */ # define MS(x) # define OS(x) x # define UX(x) # define IR(x) # define _80386 /* We know we have an 80386 type processor */ # define MAXFILE 255 /* These are defined in , but */ # define MAXDIR 255 /* on OS/2 machines, we just define */ # define MAXPATH 255 /* them all to be the same size */ # define near /* Near and far do not exist under */ # define far /* 32 bit OS/2 */ #ifndef NULL # define NULL 0L #endif #else /* Assume UNIX compilation */ # define MS(x) # define OS(x) # define UX(x) x #if defined(__IRIS4D__) /* Compiling for the SGI Iris 4D */ # define IR(x) x #else # define IR(x) #endif # define O_BINARY 0 /* no binary input mode in UNIX open() */ # define MAXFILE 255 /* These are defined in , but */ # define MAXDIR 255 /* on UNIX machines, we just define */ # define MAXPATH 255 /* them all to be the same size */ # define far /* Near and far do not exist under */ # define near /* UNIX or the Iris. */ #ifndef NULL # define NULL ((void *)0) #endif #endif /**************************************************************************** * * SEG(p) Evaluates to the segment portion of an 8086 address. * OFF(p) Evaluates to the offset portion of an 8086 address. * FP(s,o) Creates a far pointer given a segment offset pair. * PHYS(p) Evaluates to a long holding a physical address * ****************************************************************************/ #ifdef _8086 # define SEG(p) ( (unsigned)((unsigned long)((void far *)(p)) >> 16)) # define OFF(p) ( (unsigned)(p) ) # define FP(s,o) ( (void far *)( ((unsigned long)s << 16) + \ (unsigned long)o )) # define PHYS(p) ( (unsigned long)OFF(p) + \ ((unsigned long)SEG(p) << 4)) #else # define PHYS(p) (p) #endif /* _8086 */ /**************************************************************************** * * NUMELE(array) Evaluates to the array size in elements * LASTELE(array) Evaluates to a pointer to the last element * INBOUNDS(array,p) Evaluates to true if p points into the array * RANGE(a,b,c) Evaluates to true if a <= b <= c * MAX(a,b) Evaluates to a or b, whichever is larger * MIN(a,b) Evaluates to a or b, whichever is smaller * ABS(a) Evaluates to the absolute value of a * NBITS(type) Returns the number of bits in a variable of the * indicated type * MAXINT Evaluates to the value of the largest signed integer * ****************************************************************************/ #define NUMELE(a) (sizeof(a)/sizeof(*(a))) #define LASTELE(a) ((a) + (NUMELE(a)-1)) #ifdef LDATA #define TOOHIGH(a,p) ((long)PHYS(p) - (long)PHYS(a) > (long)(NUMELE(a)-1)) #define TOOLOW(a,p) ((long)PHYS(p) - (long)PHYS(a) < 0) #else #define TOOHIGH(a,p) ((long)(p) - (long)(a) > (long)(NUMELE(a)-1)) #define TOOLOW(a,p) ((long)(p) - (long)(a) < 0) #endif #define INBOUNDS(a,p) ( ! (TOOHIGH(a,p) || TOOLOW(a,p)) ) #define _IS(t,x) (((t)1 << (x)) != 0) /* Evaluates true if the width of */ /* variable of type t is < x. */ /* The != 0 assures that the */ /* answer is 1 or 0 */ #define NBITS(t) (4 * (1 + _IS(t,4) + _IS(t,8) + _IS(t,12) + _IS(t,16) \ + _IS(t,20) + _IS(t,24) + _IS(t,28) + _IS(t,32))) #define MAXINT (((unsigned)~0) >> 1) #ifndef MAX # define MAX(a,b) ( ((a) > (b)) ? (a) : (b)) #endif #ifndef MIN # define MIN(a,b) ( ((a) < (b)) ? (a) : (b)) #endif #ifndef ABS # define ABS(a) ((a) >= 0 ? (a) : -(a)) #endif #ifndef SIGN # define SIGN(a) ((a) > 0 ? 1 : -1) #endif #define RANGE(a,b,c) ( (a) <= (b) && (b) <= (c) ) /* General typedefs */ #ifndef __GENDEFS #define __GENDEFS typedef void *ptr; typedef void near *nearptr; typedef void far *farptr; typedef unsigned char uchar; typedef unsigned short ushort; typedef unsigned int uint; typedef unsigned long ulong; typedef short bool; #endif /* __GENDEFS */ /* Boolean truth values */ #define false 0 #define true 1 #define FALSE 0 #define TRUE 1 #define NO 0 #define YES 1 #endif /* __DEBUG_H */