[libgsf] Zip: make "zip64" readable for GsfInfileZip.

[Morten Welinder <mortenw src gnome org>]

commit 154ea8a3ad73310e1bc33b2f4c29c89d452e6001
Author: Morten Welinder <terra gnome org>
Date:   Thu Dec 2 19:10:18 2021 -0500

    Zip: make "zip64" readable for GsfInfileZip.

 ChangeLog            |  5 +++++
 NEWS                 |  3 +++
 gsf/gsf-infile-zip.c | 13 +++++++++++++
 3 files changed, 21 insertions(+)
---
diff --git a/ChangeLog b/ChangeLog
index f020c714..fb83f486 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2021-12-02  Morten Welinder  <terra gnome org>
+
+       * gsf/gsf-infile-zip.c (gsf_infile_zip_get_property): Add "zip64"
+       property.
+
 2020-03-23  Morten Welinder <terra gnome org>
 
        * configure.ac: Post-release bump.
diff --git a/NEWS b/NEWS
index 2c3c986b..01115c34 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,9 @@ libgsf 1.14.48
 Greg Hellings:
        * Fix win32 build.
 
+Morten:
+       * Add "zip64" readable property of GsfInfileZip.
+
 --------------------------------------------------------------------------
 libgsf 1.14.47
 
diff --git a/gsf/gsf-infile-zip.c b/gsf/gsf-infile-zip.c
index b7342ec2..ae2ffe06 100644
--- a/gsf/gsf-infile-zip.c
+++ b/gsf/gsf-infile-zip.c
@@ -38,6 +38,7 @@ enum {
        PROP_SOURCE,
        PROP_COMPRESSION_LEVEL,
        PROP_INTERNAL_PARENT,
+       PROP_ZIP64
 };
 
 static GObjectClass *parent_class;
@@ -886,6 +887,9 @@ gsf_infile_zip_get_property (GObject     *object,
                                 ? zip->vdir->dirent->compr_method
                                 : 0);
                break;
+       case PROP_ZIP64:
+                g_value_set_boolean (value, zip->zip64);
+               break;
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
                break;
@@ -972,6 +976,15 @@ gsf_infile_zip_class_init (GObjectClass *gobject_class)
                                      G_PARAM_STATIC_STRINGS |
                                      G_PARAM_WRITABLE |
                                      G_PARAM_CONSTRUCT_ONLY));
+       g_object_class_install_property
+               (gobject_class,
+                PROP_ZIP64,
+                g_param_spec_boolean ("zip64",
+                                      _("Zip64"),
+                                      _("Whether zip64 is being used"),
+                                      FALSE,
+                                      G_PARAM_STATIC_STRINGS |
+                                      G_PARAM_READABLE));
 }
 
 GSF_CLASS (GsfInfileZip, gsf_infile_zip,