[PATCH 12/15] core: Add ref() functions to GrlMetadataSourceFooSpec

["Juan A. Suarez Romero" <jasuarez igalia com>]

Add grl_metadata_source_foo_spec_ref() to increment reference.
---
 src/grl-metadata-source.c |   22 ++++++++++++++++++++++
 src/grl-metadata-source.h |    4 ++++
 2 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/src/grl-metadata-source.c b/src/grl-metadata-source.c
index d14e56a..1ed29a5 100644
--- a/src/grl-metadata-source.c
+++ b/src/grl-metadata-source.c
@@ -517,6 +517,28 @@ grl_metadata_source_set_metadata_spec_new ()
   return sms;
 }
 
+GrlMetadataSourceResolveSpec *
+grl_metadata_source_resolve_spec_ref (GrlMetadataSourceResolveSpec *rs)
+{
+  g_return_val_if_fail (rs, NULL);
+  g_return_val_if_fail (rs->ref_count > 0, rs);
+
+  g_atomic_int_inc (&rs->ref_count);
+
+  return rs;
+}
+
+GrlMetadataSourceSetMetadataSpec *
+grl_metadata_source_set_metadata_spec_ref (GrlMetadataSourceSetMetadataSpec *sms)
+{
+  g_return_val_if_fail (sms, NULL);
+  g_return_val_if_fail (sms->ref_count > 0, sms);
+
+  g_atomic_int_inc (&sms->ref_count);
+
+  return sms;
+}
+
 /**
  * grl_metadata_source_supported_keys:
  * @source: a metadata source
diff --git a/src/grl-metadata-source.h b/src/grl-metadata-source.h
index 917c745..ef6913c 100644
--- a/src/grl-metadata-source.h
+++ b/src/grl-metadata-source.h
@@ -259,6 +259,10 @@ GrlMetadataSourceResolveSpec *grl_metadata_source_resolve_spec_new (void);
 
 GrlMetadataSourceSetMetadataSpec *grl_metadata_source_set_metadata_spec_new (void);
 
+GrlMetadataSourceResolveSpec *grl_metadata_source_resolve_spec_ref (GrlMetadataSourceResolveSpec *rs);
+
+GrlMetadataSourceSetMetadataSpec *grl_metadata_source_set_metadata_spec_ref (GrlMetadataSourceSetMetadataSpec *sms);
+
 GrlSupportedOps grl_metadata_source_supported_operations (GrlMetadataSource *source);
 
 const GList *grl_metadata_source_supported_keys (GrlMetadataSource *source);
-- 
1.7.0.4