-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathh-define.h
134 lines (105 loc) · 2.12 KB
/
h-define.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* File: h-define.h */
#ifndef INCLUDED_H_DEFINE_H
#define INCLUDED_H_DEFINE_H
/*
* Define some simple constants
*/
/*
* Hack -- Define NULL
*/
#ifndef NULL
# ifdef __STDC__
# define NULL ((void*)0)
# else
# define NULL ((char*)0)
# endif /* __STDC__ */
#endif /* NULL */
/*
* Hack -- assist "main-acn.c" XXX XXX XXX
*/
#ifdef ACORN
# define O_RDONLY 0
# define O_WRONLY 1
# define O_RDWR 2
#endif
/*
* Hack -- force definitions -- see fd_seek()
*/
#ifndef SEEK_SET
# define SEEK_SET 0
#endif
#ifndef SEEK_CUR
# define SEEK_CUR 1
#endif
#ifndef SEEK_END
# define SEEK_END 2
#endif
/*
* Hack -- force definitions -- see fd_lock() XXX XXX XXX
*/
#ifndef F_UNLCK
# define F_UNLCK 0
#endif
#ifndef F_RDLCK
# define F_RDLCK 1
#endif
#ifndef F_WRLCK
# define F_WRLCK 2
#endif
/*
* The constants "TRUE" and "FALSE"
*/
#undef TRUE
#define TRUE 1
#undef FALSE
#define FALSE 0
/**** Simple "Macros" ****/
/*
* Force a character to lowercase/uppercase
*/
#define FORCELOWER(A) ((isupper((A))) ? tolower((A)) : (A))
#define FORCEUPPER(A) ((islower((A))) ? toupper((A)) : (A))
/*
* Non-typed minimum value macro
*/
#undef MIN
#define MIN(a,b) (((a) > (b)) ? (b) : (a))
/*
* Non-typed maximum value macro
*/
#undef MAX
#define MAX(a,b) (((a) < (b)) ? (b) : (a))
/*
* Non-typed absolute value macro
*/
#undef ABS
#define ABS(a) (((a) < 0) ? (-(a)) : (a))
/*
* Non-typed sign extractor macro
*/
#undef SGN
#define SGN(a) (((a) < 0) ? (-1) : ((a) != 0))
/*
* Hack -- allow use of "ASCII" and "EBCDIC" for "indexes", "digits",
* and "Control-Characters".
*
* Note that all "index" values must be "lowercase letters", while
* all "digits" must be "digits". Control characters can be made
* from any legal characters. XXX XXX XXX
*/
#ifdef VM
# define A2I(X) alphatoindex(X)
# define I2A(X) indextoalpha(X)
# define D2I(X) ((X) - '0')
# define I2D(X) ((X) + '0')
# define KTRL(X) ((X) & 0x1F)
# define ESCAPE '\033'
#else
# define A2I(X) ((X) - 'a')
# define I2A(X) ((X) + 'a')
# define D2I(X) ((X) - '0')
# define I2D(X) ((X) + '0')
# define KTRL(X) ((X) & 0x1F)
# define ESCAPE '\033'
#endif
#endif