[vala/0.34] gio-2.0: Use default 'length = null' for DataInputStream.read_line_utf8*

[Rico Tzschichholz <ricotz src gnome org>]

commit 16fa28eee6f2a71501a3a635797419eb782cdf50
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jun 7 09:59:06 2017 +0200

    gio-2.0: Use default 'length = null' for DataInputStream.read_line_utf8*
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783351

 vapi/gio-2.0.vapi                 |    4 ++--
 vapi/metadata/Gio-2.0-custom.vala |    2 +-
 vapi/metadata/Gio-2.0.metadata    |    1 +
 3 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/vapi/gio-2.0.vapi b/vapi/gio-2.0.vapi
index 62863ce..1505588 100644
--- a/vapi/gio-2.0.vapi
+++ b/vapi/gio-2.0.vapi
@@ -1058,9 +1058,9 @@ namespace GLib {
                [Version (since = "2.20")]
                public async string? read_line_async (int io_priority = GLib.Priority.DEFAULT, 
GLib.Cancellable? cancellable = null, out size_t length = null) throws GLib.IOError, GLib.IOError;
                [Version (since = "2.30")]
-               public string? read_line_utf8 (out size_t length, GLib.Cancellable? cancellable = null) 
throws GLib.IOError;
+               public string? read_line_utf8 (out size_t length = null, GLib.Cancellable? cancellable = 
null) throws GLib.IOError;
                [CCode (cname = "g_data_input_stream_read_line_async", finish_function = 
"g_data_input_stream_read_line_finish_utf8")]
-               public async string? read_line_utf8_async (int io_priority = GLib.Priority.DEFAULT, 
GLib.Cancellable? cancellable = null, out size_t length) throws GLib.IOError, GLib.IOError;
+               public async string? read_line_utf8_async (int io_priority = GLib.Priority.DEFAULT, 
GLib.Cancellable? cancellable = null, out size_t length = null) throws GLib.IOError;
                public uint16 read_uint16 (GLib.Cancellable? cancellable = null) throws GLib.IOError;
                public uint32 read_uint32 (GLib.Cancellable? cancellable = null) throws GLib.IOError;
                public uint64 read_uint64 (GLib.Cancellable? cancellable = null) throws GLib.IOError;
diff --git a/vapi/metadata/Gio-2.0-custom.vala b/vapi/metadata/Gio-2.0-custom.vala
index 99dad6e..f3aa484 100644
--- a/vapi/metadata/Gio-2.0-custom.vala
+++ b/vapi/metadata/Gio-2.0-custom.vala
@@ -59,7 +59,7 @@ namespace GLib {
 
        public class DataInputStream : GLib.BufferedInputStream {
                [CCode (cname = "g_data_input_stream_read_line_async", finish_function = 
"g_data_input_stream_read_line_finish_utf8")]
-               public async string? read_line_utf8_async (int io_priority = GLib.Priority.DEFAULT, 
GLib.Cancellable? cancellable = null, out size_t length) throws GLib.IOError, GLib.IOError;
+               public async string? read_line_utf8_async (int io_priority = GLib.Priority.DEFAULT, 
GLib.Cancellable? cancellable = null, out size_t length = null) throws GLib.IOError;
        }
 
        [CCode (cheader_filename = "gio/gio.h", type_id = "g_file_monitor_get_type ()")]
diff --git a/vapi/metadata/Gio-2.0.metadata b/vapi/metadata/Gio-2.0.metadata
index 05520a5..255c371 100644
--- a/vapi/metadata/Gio-2.0.metadata
+++ b/vapi/metadata/Gio-2.0.metadata
@@ -91,6 +91,7 @@ DataInputStream
   .read_* throws="GLib.IOError"
   .read_line* nullable
   .read_line_finish_utf8 skip
+  .read_line_utf8.length default=null
 DataOutputStream
   .put_* throws="GLib.IOError"
 DBusAuthObserver.authorize_authenticated_peer virtual