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Commit | Line | Data |
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91ee86a9 JR |
1 | #include <sys/types.h> |
2 | #include <stddef.h> | |
3 | #include <stdio.h> | |
4 | #include <stdlib.h> | |
5 | #include <unistd.h> | |
6 | #include <db.h> | |
7 | ||
8 | const char *progname = "rpmdb_checkversion"; /* Program name. */ | |
9 | ||
10 | /* | |
11 | * A very simple program to check for a Berkeley DB environment mismatch. | |
12 | */ | |
13 | int | |
14 | main(int argc, char *argv[]) | |
15 | { | |
16 | extern char *optarg; | |
17 | extern int optind; | |
18 | const char *data_dir, *home; | |
19 | int ch, quiet; | |
20 | DB_ENV *dbenv; | |
21 | int ret; | |
22 | ||
23 | /* | |
24 | * All of the shared database files live in home, but | |
25 | * data files will live in data_dir. | |
26 | */ | |
27 | quiet = 0; | |
28 | home = "/var/lib/rpm"; | |
29 | data_dir = "/var/lib/rpm"; | |
30 | while ((ch = getopt(argc, argv, "h:d:q")) != EOF) | |
31 | switch (ch) { | |
32 | case 'h': | |
33 | home = optarg; | |
34 | break; | |
35 | case 'd': | |
36 | data_dir = optarg; | |
37 | break; | |
38 | case 'q': | |
39 | quiet = 1; | |
40 | break; | |
41 | case '?': | |
42 | default: | |
43 | (void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname); | |
44 | return (0); | |
45 | } | |
46 | argc -= optind; | |
47 | argv += optind; | |
48 | ||
49 | if (argc != 0) { | |
50 | (void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname); | |
51 | return (0); | |
52 | } | |
53 | ||
54 | /* | |
55 | * Create an environment object and initialize it for error | |
56 | * reporting. | |
57 | */ | |
58 | if ((ret = db_env_create(&dbenv, 0)) != 0) { | |
59 | if (!quiet) | |
60 | fprintf(stderr, "%s: %s\n", progname, db_strerror(ret)); | |
61 | return (0); | |
62 | } | |
63 | if (quiet) { | |
64 | dbenv->set_errfile(dbenv, NULL); | |
65 | } else { | |
66 | dbenv->set_errfile(dbenv, stderr); | |
67 | } | |
68 | dbenv->set_errpfx(dbenv, progname); | |
69 | ||
70 | /* | |
71 | * We want to specify the shared memory buffer pool cachesize, | |
72 | * but everything else is the default. | |
73 | */ | |
74 | if ((ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0)) != 0) { | |
75 | dbenv->err(dbenv, ret, "set_cachesize"); | |
76 | dbenv->close(dbenv, 0); | |
77 | return (0); | |
78 | } | |
79 | ||
80 | /* Databases are in a subdirectory. */ | |
81 | (void)dbenv->set_data_dir(dbenv, data_dir); | |
82 | ||
83 | /* Open the environment with full transactional support. */ | |
84 | ret = dbenv->open(dbenv, home, DB_INIT_MPOOL, 0644); | |
85 | /* Close the environment handle. */ | |
86 | dbenv->close(dbenv, 0); | |
87 | ||
88 | if (ret == DB_VERSION_MISMATCH) { | |
89 | return (1); | |
90 | } | |
91 | ||
92 | return (0); | |
93 | } |