Fix bug introduced in revision 58385. Database keys could no longer

have NULL bytes in them.  Replace the errant strdup with a
malloc+memcpy.  Adds a unit test for the correct behavior.

Lib/bsddb/test/test_misc.py

@@ -30,10 +30,8 @@ class MiscTestCase(unittest.TestCase):
             os.remove(self.filename)
         except OSError:
             pass
-        import glob
-        files = glob.glob(os.path.join(self.homeDir, '*'))
-        for file in files:
-            os.remove(file)
+        import shutil
+        shutil.rmtree(self.homeDir)
 
     def test01_badpointer(self):
         dbs = dbshelve.open(self.filename)
@@ -73,6 +71,25 @@ class MiscTestCase(unittest.TestCase):
             db1.close()
             os.unlink(self.filename)
 
+    def test05_key_with_null_bytes(self):
+        try:
+            db1 = db.DB()
+            db1.open(self.filename, None, db.DB_HASH, db.DB_CREATE)
+            db1['a'] = 'eh?'
+            db1['a\x00'] = 'eh zed.'
+            db1['a\x00a'] = 'eh zed eh?'
+            db1['aaa'] = 'eh eh eh!'
+            keys = db1.keys()
+            keys.sort()
+            self.assertEqual(['a', 'a\x00', 'a\x00a', 'aaa'], keys)
+            self.assertEqual(db1['a'], 'eh?')
+            self.assertEqual(db1['a\x00'], 'eh zed.')
+            self.assertEqual(db1['a\x00a'], 'eh zed eh?')
+            self.assertEqual(db1['aaa'], 'eh eh eh!')
+        finally:
+            db1.close()
+            os.unlink(self.filename)
+
 
 #----------------------------------------------------------------------
 

Modules/_bsddb.c

@@ -335,11 +335,13 @@ make_key_dbt(DBObject* self, PyObject* keyobj, DBT* key, int* pflags)
          * the code check for DB_THREAD and forceably set DBT_MALLOC
          * when we otherwise would leave flags 0 to indicate that.
          */
-        key->data = strdup(PyString_AS_STRING(keyobj));
+        key->data = malloc(PyString_GET_SIZE(keyobj));
         if (key->data == NULL) {
             PyErr_SetString(PyExc_MemoryError, "Key memory allocation failed");
             return 0;
         }
+        memcpy(key->data, PyString_AS_STRING(keyobj),
+               PyString_GET_SIZE(keyobj));
         key->flags = DB_DBT_REALLOC;
         key->size = PyString_GET_SIZE(keyobj);
     }
@@ -5795,6 +5797,10 @@ DL_EXPORT(void) init_bsddb(void)
     ADD_INT(d, DB_NOPANIC);
 #endif
 
+#ifdef DB_REGISTER
+    ADD_INT(d, DB_REGISTER);
+#endif
+
 #if (DBVER >= 42)
     ADD_INT(d, DB_TIME_NOTGRANTED);
     ADD_INT(d, DB_TXN_NOT_DURABLE);