| 1 |
gwlarson |
2.13 |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
| 2 |
greg |
1.1 |
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| 3 |
gregl |
2.9 |
/* SCCSid "$SunId$ SGI" */ |
| 4 |
greg |
1.1 |
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| 5 |
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/* |
| 6 |
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* Miscellaneous definitions required by many routines. |
| 7 |
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*/ |
| 8 |
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| 9 |
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#include <stdio.h> |
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| 11 |
gwlarson |
2.12 |
#include <sys/types.h> |
| 12 |
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| 13 |
greg |
2.2 |
#include <fcntl.h> |
| 14 |
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| 15 |
greg |
1.1 |
#include <math.h> |
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| 17 |
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#include <errno.h> |
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| 19 |
greg |
1.5 |
#include "mat4.h" |
| 20 |
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/* regular transformation */ |
| 21 |
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typedef struct { |
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MAT4 xfm; /* transform matrix */ |
| 23 |
greg |
1.8 |
FLOAT sca; /* scalefactor */ |
| 24 |
greg |
1.5 |
} XF; |
| 25 |
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/* complemetary tranformation */ |
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typedef struct { |
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XF f; /* forward */ |
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XF b; /* backward */ |
| 29 |
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} FULLXF; |
| 30 |
greg |
1.1 |
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| 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 |
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| 39 |
greg |
2.2 |
#ifndef F_OK /* mode bits for access(2) call */ |
| 40 |
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#define R_OK 4 /* readable */ |
| 41 |
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#define W_OK 2 /* writable */ |
| 42 |
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#define X_OK 1 /* executable */ |
| 43 |
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#define F_OK 0 /* exists */ |
| 44 |
gwlarson |
2.13 |
#endif |
| 45 |
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| 46 |
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#ifndef int2 |
| 47 |
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#define int2 short /* two-byte integer */ |
| 48 |
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#endif |
| 49 |
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#ifndef int4 |
| 50 |
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#define int4 int /* four-byte integer */ |
| 51 |
greg |
1.2 |
#endif |
| 52 |
gregl |
2.9 |
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| 53 |
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extern int eputs(), wputs(); /* standard error output functions */ |
| 54 |
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| 55 |
greg |
1.1 |
/* error codes */ |
| 56 |
gregl |
2.10 |
#define WARNING 0 /* non-fatal error */ |
| 57 |
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#define USER 1 /* fatal user-caused error */ |
| 58 |
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#define SYSTEM 2 /* fatal system-related error */ |
| 59 |
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#define INTERNAL 3 /* fatal program-related error */ |
| 60 |
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#define CONSISTENCY 4 /* bad consistency check, abort */ |
| 61 |
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#define COMMAND 5 /* interactive error */ |
| 62 |
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#define NERRS 6 |
| 63 |
gregl |
2.9 |
/* error struct */ |
| 64 |
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extern struct erract { |
| 65 |
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char pre[16]; /* prefix message */ |
| 66 |
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int (*pf)(); /* put function (resettable) */ |
| 67 |
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int ec; /* exit code (0 means non-fatal) */ |
| 68 |
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} erract[NERRS]; /* list of error actions */ |
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| 70 |
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#define ERRACT_INIT { {"warning - ", wputs, 0}, \ |
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{"fatal - ", eputs, 1}, \ |
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{"system - ", eputs, 2}, \ |
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{"internal - ", eputs, 1}, \ |
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{"consistency - ", eputs, -1}, \ |
| 75 |
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{"", NULL, 0} } |
| 76 |
greg |
1.1 |
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| 77 |
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extern char errmsg[]; /* global buffer for error messages */ |
| 78 |
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| 79 |
greg |
1.3 |
/* memory operations */ |
| 80 |
greg |
2.2 |
#ifdef NOSTRUCTASS |
| 81 |
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#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
| 82 |
greg |
1.9 |
#else |
| 83 |
greg |
2.2 |
#define copystruct(d,s) (*(d) = *(s)) |
| 84 |
greg |
1.3 |
#endif |
| 85 |
greg |
1.6 |
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| 86 |
gwlarson |
2.12 |
#ifdef BSD |
| 87 |
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extern long lseek(); |
| 88 |
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#else |
| 89 |
greg |
2.2 |
#define bcopy(s,d,n) (void)memcpy(d,s,n) |
| 90 |
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#define bzero(d,n) (void)memset(d,0,n) |
| 91 |
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#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
| 92 |
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#define index strchr |
| 93 |
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#define rindex strrchr |
| 94 |
gwlarson |
2.12 |
extern off_t lseek(); |
| 95 |
greg |
1.3 |
#endif |
| 96 |
gwlarson |
2.12 |
extern long ftell(); |
| 97 |
greg |
1.3 |
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| 98 |
greg |
2.8 |
extern char *sskip(), *sskip2(); |
| 99 |
greg |
1.4 |
extern char *getpath(), *getenv(); |
| 100 |
greg |
2.3 |
#ifndef malloc |
| 101 |
greg |
1.1 |
extern char *malloc(), *calloc(), *realloc(); |
| 102 |
greg |
2.3 |
#endif |
| 103 |
greg |
1.1 |
extern char *bmalloc(), *savestr(), *savqstr(); |
| 104 |
greg |
2.2 |
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| 105 |
greg |
2.5 |
#ifdef DCL_ATOF |
| 106 |
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extern double atof(); |
| 107 |
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#endif |
| 108 |
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| 109 |
greg |
2.2 |
#ifdef MSDOS |
| 110 |
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#define NIX 1 |
| 111 |
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#endif |
| 112 |
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#ifdef AMIGA |
| 113 |
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#define NIX 1 |
| 114 |
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#endif |
| 115 |
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