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root/radiance/ray/src/common/vars.h
Revision: 2.1
Committed: Tue Dec 12 13:26:35 1995 UTC (28 years, 4 months ago) by greg
Content type: text/plain
Branch: MAIN
Log Message:
Initial revision

File Contents

# User Rev Content
1 greg 2.1 /* Copyright (c) 1995 Regents of the University of California */
2    
3     /* SCCSid "$SunId$ LBL" */
4    
5     /*
6     * Header for programs that load variable files.
7     */
8    
9     typedef struct {
10     char *name; /* variable name */
11     short nick; /* # characters required for nickname */
12     short nass; /* # assignments made */
13     char *value; /* assigned value(s) */
14     int (*fixval)(); /* assignment checking function */
15     } VARIABLE; /* a variable-value pair */
16    
17     /**** The following variables should be declared by calling program ****/
18    
19     extern int NVARS; /* total number of variables */
20    
21     extern VARIABLE vv[]; /* variable-value pairs */
22    
23     extern char *progname; /* global argv[0] from main */
24    
25     extern int nowarn; /* global boolean to turn warnings off */
26    
27     /**** The rest is declared in loadvars.c ****/
28    
29     extern int onevalue(), catvalues(), boolvalue(),
30     qualvalue(), fltvalue(), intvalue();
31    
32     extern VARIABLE *matchvar();
33     extern char *nvalue();
34    
35     #define UPPER(c) ((c)&~0x20) /* ASCII trick */
36    
37     #define vnam(vc) (vv[vc].name)
38     #define vdef(vc) (vv[vc].nass)
39     #define vval(vc) (vv[vc].value)
40     #define vint(vc) atoi(vval(vc))
41     #define vlet(vc) UPPER(vval(vc)[0])
42     #define vscale vlet
43     #define vbool(vc) (vlet(vc)=='T')
44    
45     #define HIGH 'H'
46     #define MEDIUM 'M'
47     #define LOW 'L'