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
|
/*-------------------------------------------------------------------------
*
* oidname.c--
* adt for multiple key indices involving oid and name. Used for cache
* index scans (could also be used in the general case with name).
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/oidname.c,v 1.12 1998/02/26 04:37:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdio.h>
#include <string.h>
#include "postgres.h"
#include "utils/oidcompos.h" /* where function declarations go */
#include "utils/builtins.h" /* for pg_atoi() */
#include "utils/palloc.h"
OidName
oidnamein(char *inStr)
{
OidName oc;
char *inptr;
oc = (OidName) palloc(sizeof(OidNameData));
MemSet(oc, 0, sizeof(OidNameData));
for (inptr = inStr; *inptr && *inptr != ','; inptr++)
;
if (*inptr)
{
oc->id = (Oid) pg_atoi(inStr, sizeof(Oid), ',');
/* copy one less to ensure null-padding */
++inptr;
StrNCpy(oc->name.data, inptr, NAMEDATALEN);
}
else
elog(ERROR, "Bad input data for type oidname");
return oc;
}
char *
oidnameout(OidName oidname)
{
char buf[30 + NAMEDATALEN]; /* oidname length + oid length +
* some safety */
char *res;
sprintf(buf, "%d,%s", oidname->id, oidname->name.data);
res = pstrdup(buf);
return (res);
}
bool
oidnamelt(OidName o1, OidName o2)
{
return (bool)
(o1->id < o2->id ||
(o1->id == o2->id && namecmp(&o1->name, &o2->name) < 0));
}
bool
oidnamele(OidName o1, OidName o2)
{
return (bool)
(o1->id < o2->id ||
(o1->id == o2->id && namecmp(&o1->name, &o2->name) <= 0));
}
bool
oidnameeq(OidName o1, OidName o2)
{
return (bool)
(o1->id == o2->id &&
(namecmp(&o1->name, &o2->name) == 0));
}
bool
oidnamene(OidName o1, OidName o2)
{
return (bool)
(o1->id != o2->id ||
(namecmp(&o1->name, &o2->name) != 0));
}
bool
oidnamege(OidName o1, OidName o2)
{
return (bool) (o1->id > o2->id || (o1->id == o2->id &&
namecmp(&o1->name, &o2->name) >= 0));
}
bool
oidnamegt(OidName o1, OidName o2)
{
return (bool) (o1->id > o2->id || (o1->id == o2->id &&
namecmp(&o1->name, &o2->name) > 0));
}
int
oidnamecmp(OidName o1, OidName o2)
{
if (o1->id == o2->id)
return (namecmp(&o1->name, &o2->name));
return (o1->id < o2->id) ? -1 : 1;
}
OidName
mkoidname(Oid id, char *name)
{
OidName oidname;
oidname = (OidName) palloc(sizeof(Oid) + NAMEDATALEN);
oidname->id = id;
namestrcpy(&oidname->name, name);
return oidname;
}
|
