telepathy-glib: Util: Add _tp_g_list_copy_deep()

[Xavier Claessens]

Module: telepathy-glib
Branch: master
Commit: 3df9ac884e876dc685951556a28c0f085e3938a3
URL:    http://cgit.freedesktop.org/telepathy/telepathy-glib/commit/?id=3df9ac884e876dc685951556a28c0f085e3938a3

Author: Xavier Claessens <xavier.claessens at collabora.co.uk>
Date:   Wed Sep  5 10:53:22 2012 +0200

Util: Add _tp_g_list_copy_deep()

This implementation is less optimized than g_list_copy_deep() because it
iterates the list twice. But it will be removed once we depend on
glib 2.34

---

 telepathy-glib/util-internal.h |    5 +++++
 telepathy-glib/util.c          |   19 +++++++++++++++++++
 2 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/telepathy-glib/util-internal.h b/telepathy-glib/util-internal.h
index d035270..9410648 100644
--- a/telepathy-glib/util-internal.h
+++ b/telepathy-glib/util-internal.h
@@ -105,4 +105,9 @@ GPtrArray *_tp_contacts_from_values (GHashTable *table);
 GList *_tp_object_list_copy (GList *l);
 void _tp_object_list_free (GList *l);
 
+/* This can be removed once we depend on GLib 2.34 */
+GList *_tp_g_list_copy_deep (GList *list,
+    GCopyFunc func,
+    gpointer user_data);
+
 #endif /* __TP_UTIL_INTERNAL_H__ */
diff --git a/telepathy-glib/util.c b/telepathy-glib/util.c
index 0ee31a3..250a890 100644
--- a/telepathy-glib/util.c
+++ b/telepathy-glib/util.c
@@ -2057,3 +2057,22 @@ _tp_object_list_free (GList *l)
 {
   g_list_free_full (l, g_object_unref);
 }
+
+GList *
+_tp_g_list_copy_deep (GList *list,
+    GCopyFunc func,
+    gpointer user_data)
+{
+  GList *ret = NULL;
+  GList *l;
+
+  ret = g_list_copy (list);
+
+  if (func != NULL)
+    {
+      for (l = ret; l != NULL; l = l->next)
+        l->data = func (l->data, user_data);
+    }
+
+  return ret;
+}