lib: replace use of static_cast for writable databases

[notmuch] / lib / config.cc

diff --git a/lib/config.cc b/lib/config.cc
index da71c16e5adcea711bfa7ed6eab264caf7379a78..dae0ff0e7f92d3e70681bff9589c38a9a814f6d4 100644 (file)
--- a/lib/config.cc
+++ b/lib/config.cc
@@ -45,22 +45,20 @@ notmuch_database_set_config (notmuch_database_t *notmuch,
                             const char *value)
 {
     notmuch_status_t status;
-    Xapian::WritableDatabase *db;
 
     status = _notmuch_database_ensure_writable (notmuch);
     if (status)
        return status;
 
     try {
-       db = static_cast <Xapian::WritableDatabase *> (notmuch->xapian_db);
-       db->set_metadata (CONFIG_PREFIX + key, value);
+       notmuch->writable_xapian_db->set_metadata (CONFIG_PREFIX + key, value);
     } catch (const Xapian::Error &error) {
        status = NOTMUCH_STATUS_XAPIAN_EXCEPTION;
        notmuch->exception_reported = true;
        _notmuch_database_log (notmuch, "Error: A Xapian exception occurred setting metadata: %s\n",
-                              error.get_msg().c_str());
+                              error.get_msg ().c_str ());
     }
-    return NOTMUCH_STATUS_SUCCESS;
+    return status;
 }
 
 static notmuch_status_t
@@ -76,7 +74,7 @@ _metadata_value (notmuch_database_t *notmuch,
        status = NOTMUCH_STATUS_XAPIAN_EXCEPTION;
        notmuch->exception_reported = true;
        _notmuch_database_log (notmuch, "Error: A Xapian exception occurred getting metadata: %s\n",
-                              error.get_msg().c_str());
+                              error.get_msg ().c_str ());
     }
     return status;
 }
@@ -123,11 +121,11 @@ notmuch_database_get_config_list (notmuch_database_t *notmuch,
     try {
 
        new(&(list->iterator)) Xapian::TermIterator (notmuch->xapian_db->metadata_keys_begin
-                                                    (CONFIG_PREFIX + (prefix ? prefix : "")));
+                                                        (CONFIG_PREFIX + (prefix ? prefix : "")));
 
     } catch (const Xapian::Error &error) {
        _notmuch_database_log (notmuch, "A Xapian exception occurred getting metadata iterator: %s.\n",
-                              error.get_msg().c_str());
+                              error.get_msg ().c_str ());
        notmuch->exception_reported = true;
        status = NOTMUCH_STATUS_XAPIAN_EXCEPTION;
     }
@@ -150,13 +148,17 @@ notmuch_config_list_valid (notmuch_config_list_t *metadata)
     return true;
 }
 
+static inline char * _key_from_iterator (notmuch_config_list_t *list) {
+    return talloc_strdup (list, (*list->iterator).c_str () + CONFIG_PREFIX.length ());
+}
+
 const char *
 notmuch_config_list_key (notmuch_config_list_t *list)
 {
     if (list->current_key)
        talloc_free (list->current_key);
 
-    list->current_key = talloc_strdup (list, (*list->iterator).c_str () + CONFIG_PREFIX.length ());
+    list->current_key = _key_from_iterator (list);
 
     return list->current_key;
 }
@@ -166,7 +168,7 @@ notmuch_config_list_value (notmuch_config_list_t *list)
 {
     std::string strval;
     notmuch_status_t status;
-    const char *key = notmuch_config_list_key (list);
+    char *key = _key_from_iterator (list);
 
     /* TODO: better error reporting?? */
     status = _metadata_value (list->notmuch, key, strval);
@@ -177,6 +179,7 @@ notmuch_config_list_value (notmuch_config_list_t *list)
        talloc_free (list->current_val);
 
     list->current_val = talloc_strdup (list, strval.c_str ());
+    talloc_free (key);
     return list->current_val;
 }