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
|
/*
* dbver.c: code to read, write and identify the database version no.
*
* Copyright (C), 1994, 1995, Graeme W. Wilford. (Wilf.)
*
* You may distribute under the terms of the GNU Library General Public
* License as specified in the file COPYING.LIB that comes with this
* distribution.
*
* Mon Aug 18 20:35:30 BST 1994 Wilf. (G.Wilford@ee.surrey.ac.uk)
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif /* STDC_HEADERS */
#define NLS_SET db_verSet
#include <libintl.h>
#define _(String) gettext (String)
#include "manconfig.h"
#include "lib/error.h"
#include "mydbm.h"
static datum content;
static int dbver(MYDBM_FILE dbf)
{
datum key;
key.dptr = VER_KEY;
key.dsize = sizeof VER_KEY;
content = MYDBM_FETCH(dbf, key);
if (content.dptr == NULL)
return -1;
else if (strcmp(content.dptr, VER_ID) != 0)
return 1;
else
return 0;
}
void dbver_wr(MYDBM_FILE dbf)
{
datum key, content;
key.dptr = VER_KEY;
key.dsize = sizeof VER_KEY;
content.dptr = VER_ID;
content.dsize = sizeof VER_ID;
if (MYDBM_INSERT(dbf, key, content) != 0)
error (FATAL, 0,
_(
"fatal: unable to insert version identifier into %s"),
database);
}
int dbver_rd(MYDBM_FILE dbf)
{
int status;
status = dbver(dbf);
if (status == -1)
error (0, 0, _( "warning: %s has no version identifier"),
database);
else if (status == 1)
error (0, 0,
_( "warning: %s is version %s, expecting %s"),
database, content.dptr, VER_ID);
else {
MYDBM_FREE(content.dptr);
return 0;
}
return 1;
}
|
