[libgda] GdaMetaContext API return values fixes and deleting unused declarations to avoid warnings

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 4b19d1fd8e82846aa3317b06f82199f2f4d53bd4
Author: Daniel Espinosa <despinosa src gnome org>
Date:   Mon Feb 13 12:32:51 2012 -0600

    GdaMetaContext API return values fixes and deleting unused declarations
    to avoid warnings

 libgda/gda-data-select.c |    8 ++++----
 libgda/gda-meta-store.c  |    8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/libgda/gda-data-select.c b/libgda/gda-data-select.c
index b47e1af..f34cb5f 100644
--- a/libgda/gda-data-select.c
+++ b/libgda/gda-data-select.c
@@ -1884,7 +1884,7 @@ static const GValue *
 gda_data_select_get_value_at (GdaDataModel *model, gint col, gint row, GError **error)
 {
 	GdaRow *prow;
-	gint int_row, irow;
+	gint int_row;
 	GdaDataSelect *imodel;
 
 	imodel = (GdaDataSelect *) model;
@@ -2119,7 +2119,7 @@ gda_data_select_iter_next (GdaDataModel *model, GdaDataModelIter *iter)
 	GdaDataSelect *imodel;
 	GdaRow *prow = NULL;
 	gint target_iter_row;
-	gint irow, int_row;
+	gint int_row;
 
 	imodel = (GdaDataSelect *) model;
 	g_return_val_if_fail (imodel->priv, FALSE);
@@ -2165,7 +2165,7 @@ gda_data_select_iter_prev (GdaDataModel *model, GdaDataModelIter *iter)
 	GdaDataSelect *imodel;
 	GdaRow *prow = NULL;
 	gint target_iter_row;
-	gint irow, int_row;
+	gint int_row;
 
 	imodel = (GdaDataSelect *) model;
 	g_return_val_if_fail (imodel->priv, FALSE);
@@ -2213,7 +2213,7 @@ gda_data_select_iter_at_row (GdaDataModel *model, GdaDataModelIter *iter, gint r
 {
 	GdaDataSelect *imodel;
 	GdaRow *prow = NULL;
-	gint irow, int_row, *ptr;
+	gint int_row;
 
 	imodel = (GdaDataSelect *) model;
 	g_return_val_if_fail (imodel->priv, FALSE);
diff --git a/libgda/gda-meta-store.c b/libgda/gda-meta-store.c
index 1f9828d..289e915 100644
--- a/libgda/gda-meta-store.c
+++ b/libgda/gda-meta-store.c
@@ -113,7 +113,7 @@ _gda_meta_context_get_type (void)
 GdaMetaContext*
 gda_meta_context_new (const gchar* table_name)
 {
-	g_return_if_fail (table_name);
+	g_return_val_if_fail (table_name, null);
 	GdaMetaContext *ctx = g_new0 (GdaMetaContext, 1);
 	ctx->table_name = g_strdup (table_name);
 	ctx->columns = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, 
@@ -149,7 +149,7 @@ gda_meta_context_set_table (GdaMetaContext *ctx, const gchar *table_name)
 const gchar*
 gda_meta_context_get_table (GdaMetaContext *ctx)
 {
-	g_return_if_fail (ctx);
+	g_return_val_if_fail (ctx, null);
 	return ctx->table_name;
 }
 
@@ -532,7 +532,7 @@ gda_meta_store_class_init (GdaMetaStoreClass *klass)
 	/**
 	 * GdaMetaStore::suggest-update:
 	 * @store: the #GdaMetaStore instance that emitted the signal
-	 * @suggest: the suggested update, as a #GdaMetaContext structure
+	 * @suggest: (type Gda.MetaContext): the suggested update, as a #GdaMetaContext structure
 	 *
 	 * This signal is emitted when the contents of a table should be updated (data to update or insert only;
 	 * deleting data is done automatically). This signal is used for internal purposes by the #GdaConnection
@@ -548,7 +548,7 @@ gda_meta_store_class_init (GdaMetaStoreClass *klass)
 		G_STRUCT_OFFSET (GdaMetaStoreClass, suggest_update),
 		suggest_update_accumulator, NULL,
 		_gda_marshal_ERROR__METACONTEXT, G_TYPE_ERROR,
-		1, GDA_TYPE_META_CONTEXT);
+		1, G_TYPE_POINTER);
 	/**
 	 * GdaMetaStore::meta-changed:
 	 * @store: the #GdaMetaStore instance that emitted the signal