1: /*
2: ** USEFUL.H -- useful stuff.
3: **
4: ** Version:
5: ** @(#)useful.h 8.6 2/8/85
6: */
7:
8: # ifndef TRUE
9: # define TRUE 1 /* logical one, true, yes, ok, etc.*/
10: # define FALSE 0 /* logical zero, false, no, nop, etc. */
11:
12: typedef char bool; /* the boolean type */
13: # endif TRUE
14:
15: # ifndef NULL
16: # define NULL 0 /* the null pointer */
17: # endif NULL
18:
19: # ifndef bitset
20: # define bitset(bit, word) ((bit) & (word))
21: # define setbit(bit, word) word |= bit
22: # define clrbit(bit, word) word &= ~bit
23: # endif bitset
24:
25: # ifndef min
26: # define min(a, b) (((a) < (b))? (a): (b))
27: # define max(a, b) (((a) > (b))? (a): (b))
28: # endif min
29:
30: # ifndef RELINFO
31: /* macros for the HELP function */
32: # define RELINFO 0 /* info about a relation */
33: # define MANSEC 1 /* manual section */
34: # define DELLIST 2 /* list of delimitors */
35: # define RELIST 3 /* list of relations */
36: # define ALLRELINFO 4 /* info about all relations */
37: # define ALLDELLIST 5 /* list of all delimitors */
38: # endif RELINFO
39:
40: /* The following are BNF grammar delimiter types used by parser/tree.c */
41: # define ONE 0
42: # define ZEROMORE 1
43: # define LBRACKET '['
44: # define RBRACKET ']'
45: # define LBRACE '{'
46: # define RBRACE '}'
47:
48: /*
49: ** Various manifest constants storage constants.
50: */
51: # define MAXF4 2147483647.0
52: # define MINF4 -2147483648.0
53:
54: # define MAXI2 127
55: # define MINI2 -128
56:
57: # define MAXI4 32767
58: # define MINI4 -32768
59:
60: # define MAXI8 2147483647
61: # define MINI8 -2147483648
62:
63:
64: # define I1MASK 0377 /* mask out sign extension that occurs
65: ** when a c1 or i1 field is converted
66: ** to an i2 field.
67: */
68:
69: # include <fcntl.h> /* for O_* */
70:
71: /* modes for dest_const in dbu/rmqm.c */
72: # define DESTPROT 5 /* destroy permission */
73: # define DESTINTEG 6 /* destroy integrity constraint */
74:
75: /* modes for the return values of replace() in iutil/replace.c */
76: # define NEWTUP 0
77: # define DUPTUP 1 /* new tuple duplicate of returned tid*/
78: # define DELTUP 2 /* tuple identified by tid deleted */
79: # define BADLID 3
80:
81: /* macro for gutil/cat.c */
82: # define BLOCK_SZ 512
83:
84: /* macros for return codes of initucode and initdbpath */
85: # define NODB 1
86: # define NOACCESS 2
87: # define INVALIDUSR 3
88: # define NODBNAME 4
89: # define INDIRECT 5
90: # define INDNODB 6
91:
92: # define DBEXIST 0
93: # define PTR2DB 1
94: # define NODBS 2
95: # define PTR2NODBS 3
96:
97: /* macros for bitmap in dbu/pr_prot.c */
98: # define BITMAP_SZ 8
99: # define NUMSHIFTS 16
100:
101: /* macros for conversion routines in gutil */
102: # define CONCAT_BUFSZ 101 /* buffer for string concats */
103: # define LONG_BUFSZ 30 /* buffer for long conversion*/
104: # define CHAR_SZ 7 /* buffer for int to ascii conversion */
Defined typedef's
bool
defined in line
12;
never used
Defined macros
FALSE
defined in line
10;
never used
MAXF4
defined in line
51;
never used
MAXI2
defined in line
54;
never used
MAXI4
defined in line
57;
never used
MAXI8
defined in line
60;
never used
MINF4
defined in line
52;
never used
MINI2
defined in line
55;
never used
MINI4
defined in line
58;
never used
MINI8
defined in line
61;
never used
NODB
defined in line
85;
never used
NODBS
defined in line
94;
never used
NULL
defined in line
16; used 1 times
ONE
defined in line
41;
never used
TRUE
defined in line
9; used 1 times
max
defined in line
27;
never used
min
defined in line
26; used 1 times