[gnome-software] GsApp: Add a few missing g_return_if_fail() assertions

[Kalev Lember <klember src gnome org>]

commit d9a321c01197d09ae2b4d3fa460141b9d9926456
Author: Kalev Lember <kalevlember gmail com>
Date:   Mon May 11 15:06:53 2015 +0200

    GsApp: Add a few missing g_return_if_fail() assertions

 src/gs-app.c |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-app.c b/src/gs-app.c
index 8a7bc11..2fad5d1 100644
--- a/src/gs-app.c
+++ b/src/gs-app.c
@@ -1818,7 +1818,12 @@ gs_app_get_kudos (GsApp *app)
 guint
 gs_app_get_kudos_weight (GsApp *app)
 {
-       guint32 tmp = APP_PRIV (app)->kudos;
+       GsAppPrivate *priv = APP_PRIV (app);
+       guint32 tmp;
+
+       g_return_val_if_fail (GS_IS_APP (app), 0);
+
+       tmp = priv->kudos;
        tmp = tmp - ((tmp >> 1) & 0x55555555);
        tmp = (tmp & 0x33333333) + ((tmp >> 2) & 0x33333333);
        return (((tmp + (tmp >> 4)) & 0x0F0F0F0F) * 0x01010101) >> 24;
@@ -1875,6 +1880,9 @@ gboolean
 gs_app_get_to_be_installed (GsApp *app)
 {
        GsAppPrivate *priv = APP_PRIV (app);
+
+       g_return_val_if_fail (GS_IS_APP (app), FALSE);
+
        return priv->to_be_installed;
 }
 
@@ -1885,6 +1893,9 @@ void
 gs_app_set_to_be_installed (GsApp *app, gboolean to_be_installed)
 {
        GsAppPrivate *priv = APP_PRIV (app);
+
+       g_return_if_fail (GS_IS_APP (app));
+
        priv->to_be_installed = to_be_installed;
 }
 
@@ -1970,6 +1981,9 @@ void
 gs_app_set_search_sort_key (GsApp *app, guint match_value)
 {
        gchar md_value[4];
+
+       g_return_if_fail (GS_IS_APP (app));
+
        g_snprintf (md_value, 4, "%03i", match_value);
        gs_app_set_metadata (app, "SearchMatch", md_value);
 }
@@ -1980,6 +1994,7 @@ gs_app_set_search_sort_key (GsApp *app, guint match_value)
 const gchar *
 gs_app_get_search_sort_key (GsApp *app)
 {
+       g_return_val_if_fail (GS_IS_APP (app), NULL);
        return gs_app_get_metadata_item (app, "SearchMatch");
 }