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root/radiance/ray/src/common/standard.h
Revision: 1.2
Committed: Thu Jul 27 22:41:04 1989 UTC (34 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 1.1: +7 -0 lines
Log Message:
Changed getpath() to check access modes

File Contents

# Content
1 /* Copyright (c) 1988 Regents of the University of California */
2
3 /* SCCSid "$SunId$ LBL" */
4
5 /*
6 * Miscellaneous definitions required by many routines.
7 */
8
9 #include <stdio.h>
10
11 #include <math.h>
12
13 #include <errno.h>
14
15 #include "fvect.h"
16
17 #define FHUGE (1e10) /* large real number */
18 #define FTINY (1e-6) /* small real number */
19
20 #ifdef M_PI
21 #define PI M_PI
22 #else
23 #define PI 3.14159265358979323846
24 #endif
25
26 #ifndef F_OK /* mode bits for access(2) call */
27 #define R_OK 4 /* readable */
28 #define W_OK 2 /* writable */
29 #define X_OK 1 /* executable */
30 #define F_OK 0 /* exists */
31 #endif
32 /* error codes */
33 #define WARNING 1 /* non-fatal error */
34 #define USER 2 /* fatal user-caused error */
35 #define SYSTEM 3 /* fatal system-related error */
36 #define INTERNAL 4 /* fatal program-related error */
37 #define CONSISTENCY 5 /* bad consistency check, abort */
38 #define COMMAND 6 /* interactive error */
39
40 extern char errmsg[]; /* global buffer for error messages */
41
42 extern int errno; /* system error number */
43
44 extern char *sskip();
45 extern char *getpath();
46 extern char *malloc(), *calloc(), *realloc();
47 extern char *bmalloc(), *savestr(), *savqstr();