1/*
2
3 version.c -- Perl 5 interface to Berkeley DB
4
5 written by Paul Marquess <Paul.Marquess@btinternet.com>
6 last modified 2nd Jan 2002
7 version 1.802
8
9 All comments/suggestions/problems are welcome
10
11     Copyright (c) 1995-2002 Paul Marquess. All rights reserved.
12     This program is free software; you can redistribute it and/or
13     modify it under the same terms as Perl itself.
14
15 Changes:
16        1.71 -  Support for Berkeley DB version 3.
17		Support for Berkeley DB 2/3's backward compatability mode.
18        1.72 -  No change.
19        1.73 -  Added support for threading
20        1.74 -  Added Perl core patch 7801.
21
22
23*/
24
25#define PERL_NO_GET_CONTEXT
26#include "EXTERN.h"
27#include "perl.h"
28#include "XSUB.h"
29
30#include <db.h>
31
32void
33#ifdef CAN_PROTOTYPE
34__getBerkeleyDBInfo(void)
35#else
36__getBerkeleyDBInfo()
37#endif
38{
39#ifdef dTHX
40    dTHX;
41#endif
42    SV * version_sv = perl_get_sv("DB_File::db_version", GV_ADD|GV_ADDMULTI) ;
43    SV * ver_sv = perl_get_sv("DB_File::db_ver", GV_ADD|GV_ADDMULTI) ;
44    SV * compat_sv = perl_get_sv("DB_File::db_185_compat", GV_ADD|GV_ADDMULTI) ;
45
46#ifdef DB_VERSION_MAJOR
47    int Major, Minor, Patch ;
48
49    (void)db_version(&Major, &Minor, &Patch) ;
50
51    /* Check that the versions of db.h and libdb.a are the same */
52    if (Major != DB_VERSION_MAJOR || Minor != DB_VERSION_MINOR )
53		/* || Patch != DB_VERSION_PATCH) */
54
55	croak("\nDB_File was build with libdb version %d.%d.%d,\nbut you are attempting to run it with libdb version %d.%d.%d\n",
56		DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH,
57		Major, Minor, Patch) ;
58
59    /* check that libdb is recent enough  -- we need 2.3.4 or greater */
60    if (Major == 2 && (Minor < 3 || (Minor ==  3 && Patch < 4)))
61	croak("DB_File needs Berkeley DB 2.3.4 or greater, you have %d.%d.%d\n",
62		 Major, Minor, Patch) ;
63
64    {
65        char buffer[40] ;
66        sprintf(buffer, "%d.%d", Major, Minor) ;
67        sv_setpv(version_sv, buffer) ;
68        sprintf(buffer, "%d.%03d%03d", Major, Minor, Patch) ;
69        sv_setpv(ver_sv, buffer) ;
70    }
71
72#else /* ! DB_VERSION_MAJOR */
73    sv_setiv(version_sv, 1) ;
74    sv_setiv(ver_sv, 1) ;
75#endif /* ! DB_VERSION_MAJOR */
76
77#ifdef COMPAT185
78    sv_setiv(compat_sv, 1) ;
79#else /* ! COMPAT185 */
80    sv_setiv(compat_sv, 0) ;
81#endif /* ! COMPAT185 */
82
83}
84