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STANDARD.H
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C/C++ Source or Header
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1993-10-07
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2KB
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84 lines
/* Copyright (c) 1992 Regents of the University of California */
/* SCCSid "@(#)standard.h 2.3 9/24/92 LBL" */
/*
* Miscellaneous definitions required by many routines.
*/
#include <stdio.h>
#include <fcntl.h>
#include <math.h>
#include <errno.h>
#include "mat4.h"
/* regular transformation */
typedef struct {
MAT4 xfm; /* transform matrix */
FLOAT sca; /* scalefactor */
} XF;
/* complemetary tranformation */
typedef struct {
XF f; /* forward */
XF b; /* backward */
} FULLXF;
#ifdef M_PI
#define PI M_PI
#else
#define PI 3.14159265358979323846
#endif
#ifndef F_OK /* mode bits for access(2) call */
#define R_OK 4 /* readable */
#define W_OK 2 /* writable */
#define X_OK 1 /* executable */
#define F_OK 0 /* exists */
#endif
/* error codes */
#define WARNING 1 /* non-fatal error */
#define USER 2 /* fatal user-caused error */
#define SYSTEM 3 /* fatal system-related error */
#define INTERNAL 4 /* fatal program-related error */
#define CONSISTENCY 5 /* bad consistency check, abort */
#define COMMAND 6 /* interactive error */
extern char errmsg[]; /* global buffer for error messages */
/* memory operations */
#ifdef NOSTRUCTASS
#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d)))
#else
#define copystruct(d,s) (*(d) = *(s))
#endif
#ifndef BSD
#define bcopy(s,d,n) (void)memcpy(d,s,n)
#define bzero(d,n) (void)memset(d,0,n)
#define bcmp(b1,b2,n) memcmp(b1,b2,n)
extern char *memcpy(), *memset();
#define index strchr
#define rindex strrchr
#endif
#ifndef atof
extern double atof();
#endif
extern char *sskip();
extern char *getpath(), *getenv();
#ifndef malloc
extern char *malloc(), *calloc(), *realloc();
#endif
extern char *bmalloc(), *savestr(), *savqstr();
#ifdef MSDOS
#define NIX 1
#endif
#ifdef AMIGA
#define NIX 1
#endif