Microoptimize string reallocations

This commit is contained in:
Matthias Clasen 2010-05-09 13:09:54 -04:00
parent b87dd96a8a
commit e82eea6fda

View File

@ -3477,50 +3477,58 @@ handle_get_all_properties (GDBusConnection *connection,
/* ---------------------------------------------------------------------------------------------------- */
static const gchar introspect_header[] =
"<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
" \"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
"<!-- GDBus " PACKAGE_VERSION " -->\n"
"<node>\n";
static const gchar introspect_tail[] =
"</node>\n";
static const gchar introspect_standard_interfaces[] =
" <interface name=\"org.freedesktop.DBus.Properties\">\n"
" <method name=\"Get\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"s\" name=\"property_name\" direction=\"in\"/>\n"
" <arg type=\"v\" name=\"value\" direction=\"out\"/>\n"
" </method>\n"
" <method name=\"GetAll\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"a{sv}\" name=\"properties\" direction=\"out\"/>\n"
" </method>\n"
" <method name=\"Set\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"s\" name=\"property_name\" direction=\"in\"/>\n"
" <arg type=\"v\" name=\"value\" direction=\"in\"/>\n"
" </method>\n"
" <signal name=\"PropertiesChanged\">\n"
" <arg type=\"s\" name=\"interface_name\"/>\n"
" <arg type=\"a{sv}\" name=\"changed_properties\"/>\n"
" </signal>\n"
" </interface>\n"
" <interface name=\"org.freedesktop.DBus.Introspectable\">\n"
" <method name=\"Introspect\">\n"
" <arg type=\"s\" name=\"xml_data\" direction=\"out\"/>\n"
" </method>\n"
" </interface>\n"
" <interface name=\"org.freedesktop.DBus.Peer\">\n"
" <method name=\"Ping\"/>\n"
" <method name=\"GetMachineId\">\n"
" <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n"
" </method>\n"
" </interface>\n";
static void
introspect_append_header (GString *s)
{
g_string_append (s,
"<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
"<!-- GDBus 0.1 -->\n"
"<node>\n");
g_string_append (s, introspect_header);
}
static void
introspect_append_standard_interfaces (GString *s)
{
g_string_append (s,
" <interface name=\"org.freedesktop.DBus.Properties\">\n"
" <method name=\"Get\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"s\" name=\"property_name\" direction=\"in\"/>\n"
" <arg type=\"v\" name=\"value\" direction=\"out\"/>\n"
" </method>\n"
" <method name=\"GetAll\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"a{sv}\" name=\"properties\" direction=\"out\"/>\n"
" </method>\n"
" <method name=\"Set\">\n"
" <arg type=\"s\" name=\"interface_name\" direction=\"in\"/>\n"
" <arg type=\"s\" name=\"property_name\" direction=\"in\"/>\n"
" <arg type=\"v\" name=\"value\" direction=\"in\"/>\n"
" </method>\n"
" <signal name=\"PropertiesChanged\">\n"
" <arg type=\"s\" name=\"interface_name\"/>\n"
" <arg type=\"a{sv}\" name=\"changed_properties\"/>\n"
" </signal>\n"
" </interface>\n"
" <interface name=\"org.freedesktop.DBus.Introspectable\">\n"
" <method name=\"Introspect\">\n"
" <arg type=\"s\" name=\"xml_data\" direction=\"out\"/>\n"
" </method>\n"
" </interface>\n"
" <interface name=\"org.freedesktop.DBus.Peer\">\n"
" <method name=\"Ping\"/>\n"
" <method name=\"GetMachineId\">\n"
" <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n"
" </method>\n"
" </interface>\n");
g_string_append (s, introspect_standard_interfaces);
}
static void
@ -3624,7 +3632,9 @@ handle_introspect (GDBusConnection *connection,
gchar **registered;
/* first the header with the standard interfaces */
s = g_string_new (NULL);
s = g_string_sized_new (sizeof (introspect_header) +
sizeof (introspect_standard_interfaces) +
sizeof (introspect_tail));
introspect_append_header (s);
introspect_append_standard_interfaces (s);
@ -3642,7 +3652,7 @@ handle_introspect (GDBusConnection *connection,
g_string_append_printf (s, " <node name=\"%s\"/>\n", registered[n]);
}
g_strfreev (registered);
g_string_append (s, "</node>\n");
g_string_append (s, introspect_tail);
reply = g_dbus_message_new_method_reply (message);
g_dbus_message_set_body (reply, g_variant_new ("(s)", s->str));