diff options
Diffstat (limited to 'e-util/e-dbhash.c')
| -rw-r--r-- | e-util/e-dbhash.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/e-util/e-dbhash.c b/e-util/e-dbhash.c deleted file mode 100644 index e286500066..0000000000 --- a/e-util/e-dbhash.c +++ /dev/null @@ -1,200 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Author: - * JP Rosevear (jpr@helixcode.com) - * - * Copyright 2000, Helix Code, Inc. - */ - -#include <config.h> -#include <string.h> -#include <fcntl.h> -#ifdef HAVE_DB_185_H -#include <db_185.h> -#else -#ifdef HAVE_DB1_DB_H -#include <db1/db.h> -#else -#include <db.h> -#endif -#endif -#include "md5-utils.h" -#include "e-dbhash.h" - -struct _EDbHashPrivate -{ - DB *db; -}; - -EDbHash * -e_dbhash_new (const char *filename) -{ - EDbHash *edbh; - DB *db; - - /* Attempt to open the database */ - db = dbopen (filename, O_RDWR, 0666, DB_HASH, NULL); - if (db == NULL) { - db = dbopen (filename, O_RDWR | O_CREAT, 0666, DB_HASH, NULL); - - if (db == NULL) - 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) -{ - dbt->data = (void*)str; - dbt->size = strlen (str) + 1; -} - -static void -md5_to_dbt(const char str[16], DBT *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, &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, &dkey, 0); -} - -void -e_dbhash_foreach_key (EDbHash *edbh, EDbHashFunc func, gpointer user_data) -{ - DB *db; - DBT dkey; - DBT ddata; - 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->seq(db, &dkey, &ddata, R_FIRST); - - while (db_error == 0) { - (*func) ((const char *)dkey.data, user_data); - - db_error = db->seq(db, &dkey, &ddata, R_NEXT); - } -} - -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, &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); - - g_free (edbh->priv); - g_free (edbh); -} - - |