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authornobody <nobody@localhost>2003-01-09 14:55:40 +0800
committernobody <nobody@localhost>2003-01-09 14:55:40 +0800
commit4f34b87b2cd931be213c453c0a9c23e513a81953 (patch)
tree1e12040caec266ee2e16460c80583d4af3687d10 /e-util/e-dbhash.c
parent45d0c39700d2d6ee12f45c17778d69f3119ba078 (diff)
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This commit was manufactured by cvs2svn to create tagGNOME_UTILS_2_2_1
'GNOME_UTILS_2_2_1'. svn path=/tags/GNOME_UTILS_2_2_1/; revision=19339
Diffstat (limited to 'e-util/e-dbhash.c')
-rw-r--r--e-util/e-dbhash.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/e-util/e-dbhash.c b/e-util/e-dbhash.c
deleted file mode 100644
index 209798fbc5..0000000000
--- a/e-util/e-dbhash.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Author:
- * JP Rosevear (jpr@ximian.com)
- *
- * Copyright 2000, Ximian, Inc.
- */
-
-#include <config.h>
-
-#include "e-dbhash.h"
-
-#include <string.h>
-#include <fcntl.h>
-#include <db.h>
-#include "md5-utils.h"
-
-#if DB_VERSION_MAJOR != 3 || \
- DB_VERSION_MINOR != 1 || \
- DB_VERSION_PATCH != 17
-#error Including wrong DB3. Need libdb 3.1.17.
-#endif
-
-struct _EDbHashPrivate
-{
- DB *db;
-};
-
-EDbHash *
-e_dbhash_new (const char *filename)
-{
- EDbHash *edbh;
- DB *db;
- int rv;
-
- int major, minor, patch;
-
- db_version (&major, &minor, &patch);
-
- if (major != 3 ||
- minor != 1 ||
- patch != 17) {
- g_warning ("Wrong version of libdb.");
- return NULL;
- }
-
- /* Attempt to open the database */
- rv = db_create (&db, NULL, 0);
- if (rv != 0) {
- return NULL;
- }
-
- rv = db->open (db, filename, NULL, DB_HASH, 0, 0666);
- if (rv != 0) {
- rv = db->open (db, filename, NULL, DB_HASH, DB_CREATE, 0666);
-
- if (rv != 0)
- return NULL;
- }
-
- edbh = g_new (EDbHash, 1);
- edbh->priv = g_new (EDbHashPrivate, 1);
- edbh->priv->db = db;
-
- return edbh;
-}
-
-static void
-string_to_dbt(const char *str, DBT *dbt)
-{
- memset (dbt, 0, sizeof (DBT));
- dbt->data = (void*)str;
- dbt->size = strlen (str) + 1;
-}
-
-static void
-md5_to_dbt(const char str[16], DBT *dbt)
-{
- memset (dbt, 0, sizeof (DBT));
- dbt->data = (void*)str;
- dbt->size = 16;
-}
-
-void
-e_dbhash_add (EDbHash *edbh, const gchar *key, const gchar *data)
-{
- DB *db;
- DBT dkey;
- DBT ddata;
- guchar local_hash[16];
-
- g_return_if_fail (edbh != NULL);
- g_return_if_fail (edbh->priv != NULL);
- g_return_if_fail (edbh->priv->db != NULL);
- g_return_if_fail (key != NULL);
- g_return_if_fail (data != NULL);
-
- db = edbh->priv->db;
-
- /* Key dbt */
- string_to_dbt (key, &dkey);
-
- /* Data dbt */
- md5_get_digest (data, strlen (data), local_hash);
- md5_to_dbt (local_hash, &ddata);
-
- /* Add to database */
- db->put (db, NULL, &dkey, &ddata, 0);
-}
-
-void
-e_dbhash_remove (EDbHash *edbh, const char *key)
-{
- DB *db;
- DBT dkey;
-
- g_return_if_fail (edbh != NULL);
- g_return_if_fail (edbh->priv != NULL);
- g_return_if_fail (key != NULL);
-
- db = edbh->priv->db;
-
- /* Key dbt */
- string_to_dbt (key, &dkey);
-
- /* Remove from database */
- db->del (db, NULL, &dkey, 0);
-}
-
-void
-e_dbhash_foreach_key (EDbHash *edbh, EDbHashFunc func, gpointer user_data)
-{
- DB *db;
- DBT dkey;
- DBT ddata;
- DBC *dbc;
- int db_error = 0;
-
- g_return_if_fail (edbh != NULL);
- g_return_if_fail (edbh->priv != NULL);
- g_return_if_fail (func != NULL);
-
- db = edbh->priv->db;
-
- db_error = db->cursor (db, NULL, &dbc, 0);
-
- if (db_error != 0) {
- return;
- }
-
- memset(&dkey, 0, sizeof(DBT));
- memset(&ddata, 0, sizeof(DBT));
- db_error = dbc->c_get(dbc, &dkey, &ddata, DB_FIRST);
-
- while (db_error == 0) {
- (*func) ((const char *)dkey.data, user_data);
-
- db_error = dbc->c_get(dbc, &dkey, &ddata, DB_NEXT);
- }
- dbc->c_close (dbc);
-}
-
-EDbHashStatus
-e_dbhash_compare (EDbHash *edbh, const char *key, const char *compare_data)
-{
- DB *db;
- DBT dkey;
- DBT ddata;
- guchar compare_hash[16];
-
- g_return_val_if_fail (edbh != NULL, FALSE);
- g_return_val_if_fail (edbh->priv != NULL, FALSE);
- g_return_val_if_fail (key != NULL, FALSE);
- g_return_val_if_fail (compare_hash != NULL, FALSE);
-
- db = edbh->priv->db;
-
- /* Key dbt */
- string_to_dbt (key, &dkey);
-
- /* Lookup in database */
- memset (&ddata, 0, sizeof (DBT));
- db->get (db, NULL, &dkey, &ddata, 0);
-
- /* Compare */
- if (ddata.data) {
- md5_get_digest (compare_data, strlen (compare_data), compare_hash);
-
- if (memcmp (ddata.data, compare_hash, sizeof (guchar) * 16))
- return E_DBHASH_STATUS_DIFFERENT;
- } else {
- return E_DBHASH_STATUS_NOT_FOUND;
- }
-
- return E_DBHASH_STATUS_SAME;
-}
-
-void
-e_dbhash_write (EDbHash *edbh)
-{
- DB *db;
-
- g_return_if_fail (edbh != NULL);
- g_return_if_fail (edbh->priv != NULL);
-
- db = edbh->priv->db;
-
- /* Flush database to disk */
- db->sync (db, 0);
-}
-
-void
-e_dbhash_destroy (EDbHash *edbh)
-{
- DB *db;
-
- g_return_if_fail (edbh != NULL);
- g_return_if_fail (edbh->priv != NULL);
-
- db = edbh->priv->db;
-
- /* Close datbase */
- db->close (db, 0);
-
- g_free (edbh->priv);
- g_free (edbh);
-}