[telepathy-glib/master] TpIntSet, TpHandleSet: warn if some functions with no side-effects have their results ignored

[Simon McVittie]

That'd be harmless but nonsensical.
---
 telepathy-glib/handle-repo.h |    4 ++--
 telepathy-glib/intset.h      |    8 +++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/telepathy-glib/handle-repo.h b/telepathy-glib/handle-repo.h
index b0de534..eb675fe 100644
--- a/telepathy-glib/handle-repo.h
+++ b/telepathy-glib/handle-repo.h
@@ -97,7 +97,7 @@ gboolean tp_handles_client_release (TpHandleRepoIface *self,
     const gchar *client, const GArray *handles, GError **error);
 
 const char *tp_handle_inspect (TpHandleRepoIface *self,
-    TpHandle handle);
+    TpHandle handle) G_GNUC_WARN_UNUSED_RESULT;
 TpHandle tp_handle_lookup (TpHandleRepoIface *self,
     const gchar *id, gpointer context, GError **error);
 TpHandle tp_handle_ensure (TpHandleRepoIface *self,
@@ -127,7 +127,7 @@ TpHandleSet * tp_handle_set_new (TpHandleRepoIface *repo)
   G_GNUC_WARN_UNUSED_RESULT;
 void tp_handle_set_destroy (TpHandleSet *set);
 
-TpIntSet *tp_handle_set_peek (TpHandleSet *set);
+TpIntSet *tp_handle_set_peek (TpHandleSet *set) G_GNUC_WARN_UNUSED_RESULT;
 
 void tp_handle_set_add (TpHandleSet *set, TpHandle handle);
 gboolean tp_handle_set_remove (TpHandleSet *set, TpHandle handle);
diff --git a/telepathy-glib/intset.h b/telepathy-glib/intset.h
index 80403e8..23ab030 100644
--- a/telepathy-glib/intset.h
+++ b/telepathy-glib/intset.h
@@ -51,16 +51,18 @@ void tp_intset_clear (TpIntSet *set);
 
 void tp_intset_add (TpIntSet *set, guint element);
 gboolean tp_intset_remove (TpIntSet *set, guint element);
-gboolean tp_intset_is_member (const TpIntSet *set, guint element);
+gboolean tp_intset_is_member (const TpIntSet *set, guint element)
+  G_GNUC_WARN_UNUSED_RESULT;
 
 void tp_intset_foreach (const TpIntSet *set, TpIntFunc func,
     gpointer userdata);
 GArray *tp_intset_to_array (const TpIntSet *set) G_GNUC_WARN_UNUSED_RESULT;
 TpIntSet *tp_intset_from_array (const GArray *array) G_GNUC_WARN_UNUSED_RESULT;
 
-guint tp_intset_size (const TpIntSet *set);
+guint tp_intset_size (const TpIntSet *set) G_GNUC_WARN_UNUSED_RESULT;
 
-gboolean tp_intset_is_equal (const TpIntSet *left, const TpIntSet *right);
+gboolean tp_intset_is_equal (const TpIntSet *left, const TpIntSet *right)
+  G_GNUC_WARN_UNUSED_RESULT;
 
 TpIntSet *tp_intset_copy (const TpIntSet *orig) G_GNUC_WARN_UNUSED_RESULT;
 TpIntSet *tp_intset_intersection (const TpIntSet *left, const TpIntSet *right)
-- 
1.5.6.5