| 1 |
gregl |
2.9 |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
| 2 |
greg |
1.1 |
|
| 3 |
gregl |
2.9 |
/* SCCSid "$SunId$ SGI" */ |
| 4 |
greg |
1.1 |
|
| 5 |
|
|
/* |
| 6 |
|
|
* Miscellaneous definitions required by many routines. |
| 7 |
|
|
*/ |
| 8 |
|
|
|
| 9 |
|
|
#include <stdio.h> |
| 10 |
|
|
|
| 11 |
gwlarson |
2.12 |
#include <sys/types.h> |
| 12 |
|
|
|
| 13 |
greg |
2.2 |
#include <fcntl.h> |
| 14 |
|
|
|
| 15 |
greg |
1.1 |
#include <math.h> |
| 16 |
|
|
|
| 17 |
|
|
#include <errno.h> |
| 18 |
|
|
|
| 19 |
greg |
1.5 |
#include "mat4.h" |
| 20 |
|
|
/* regular transformation */ |
| 21 |
|
|
typedef struct { |
| 22 |
|
|
MAT4 xfm; /* transform matrix */ |
| 23 |
greg |
1.8 |
FLOAT sca; /* scalefactor */ |
| 24 |
greg |
1.5 |
} XF; |
| 25 |
|
|
/* complemetary tranformation */ |
| 26 |
|
|
typedef struct { |
| 27 |
|
|
XF f; /* forward */ |
| 28 |
|
|
XF b; /* backward */ |
| 29 |
|
|
} FULLXF; |
| 30 |
greg |
1.1 |
|
| 31 |
greg |
2.7 |
#ifndef PI |
| 32 |
greg |
2.2 |
#ifdef M_PI |
| 33 |
gregl |
2.11 |
#define PI ((double)M_PI) |
| 34 |
greg |
1.1 |
#else |
| 35 |
greg |
2.2 |
#define PI 3.14159265358979323846 |
| 36 |
greg |
2.7 |
#endif |
| 37 |
greg |
1.1 |
#endif |
| 38 |
greg |
1.2 |
|
| 39 |
greg |
2.2 |
#ifndef F_OK /* mode bits for access(2) call */ |
| 40 |
|
|
#define R_OK 4 /* readable */ |
| 41 |
|
|
#define W_OK 2 /* writable */ |
| 42 |
|
|
#define X_OK 1 /* executable */ |
| 43 |
|
|
#define F_OK 0 /* exists */ |
| 44 |
greg |
1.2 |
#endif |
| 45 |
gregl |
2.9 |
|
| 46 |
|
|
extern int eputs(), wputs(); /* standard error output functions */ |
| 47 |
|
|
|
| 48 |
greg |
1.1 |
/* error codes */ |
| 49 |
gregl |
2.10 |
#define WARNING 0 /* non-fatal error */ |
| 50 |
|
|
#define USER 1 /* fatal user-caused error */ |
| 51 |
|
|
#define SYSTEM 2 /* fatal system-related error */ |
| 52 |
|
|
#define INTERNAL 3 /* fatal program-related error */ |
| 53 |
|
|
#define CONSISTENCY 4 /* bad consistency check, abort */ |
| 54 |
|
|
#define COMMAND 5 /* interactive error */ |
| 55 |
|
|
#define NERRS 6 |
| 56 |
gregl |
2.9 |
/* error struct */ |
| 57 |
|
|
extern struct erract { |
| 58 |
|
|
char pre[16]; /* prefix message */ |
| 59 |
|
|
int (*pf)(); /* put function (resettable) */ |
| 60 |
|
|
int ec; /* exit code (0 means non-fatal) */ |
| 61 |
|
|
} erract[NERRS]; /* list of error actions */ |
| 62 |
|
|
|
| 63 |
|
|
#define ERRACT_INIT { {"warning - ", wputs, 0}, \ |
| 64 |
|
|
{"fatal - ", eputs, 1}, \ |
| 65 |
|
|
{"system - ", eputs, 2}, \ |
| 66 |
|
|
{"internal - ", eputs, 1}, \ |
| 67 |
|
|
{"consistency - ", eputs, -1}, \ |
| 68 |
|
|
{"", NULL, 0} } |
| 69 |
greg |
1.1 |
|
| 70 |
|
|
extern char errmsg[]; /* global buffer for error messages */ |
| 71 |
|
|
|
| 72 |
greg |
1.3 |
/* memory operations */ |
| 73 |
greg |
2.2 |
#ifdef NOSTRUCTASS |
| 74 |
|
|
#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
| 75 |
greg |
1.9 |
#else |
| 76 |
greg |
2.2 |
#define copystruct(d,s) (*(d) = *(s)) |
| 77 |
greg |
1.3 |
#endif |
| 78 |
greg |
1.6 |
|
| 79 |
gwlarson |
2.12 |
#ifdef BSD |
| 80 |
|
|
extern long lseek(); |
| 81 |
|
|
#else |
| 82 |
greg |
2.2 |
#define bcopy(s,d,n) (void)memcpy(d,s,n) |
| 83 |
|
|
#define bzero(d,n) (void)memset(d,0,n) |
| 84 |
|
|
#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
| 85 |
|
|
#define index strchr |
| 86 |
|
|
#define rindex strrchr |
| 87 |
gwlarson |
2.12 |
extern off_t lseek(); |
| 88 |
greg |
1.3 |
#endif |
| 89 |
gwlarson |
2.12 |
extern long ftell(); |
| 90 |
greg |
1.3 |
|
| 91 |
greg |
2.8 |
extern char *sskip(), *sskip2(); |
| 92 |
greg |
1.4 |
extern char *getpath(), *getenv(); |
| 93 |
greg |
2.3 |
#ifndef malloc |
| 94 |
greg |
1.1 |
extern char *malloc(), *calloc(), *realloc(); |
| 95 |
greg |
2.3 |
#endif |
| 96 |
greg |
1.1 |
extern char *bmalloc(), *savestr(), *savqstr(); |
| 97 |
greg |
2.2 |
|
| 98 |
greg |
2.5 |
#ifdef DCL_ATOF |
| 99 |
|
|
extern double atof(); |
| 100 |
|
|
#endif |
| 101 |
|
|
|
| 102 |
greg |
2.2 |
#ifdef MSDOS |
| 103 |
|
|
#define NIX 1 |
| 104 |
|
|
#endif |
| 105 |
|
|
#ifdef AMIGA |
| 106 |
|
|
#define NIX 1 |
| 107 |
|
|
#endif |
| 108 |
|
|
|
