glib-compat: add g_test_add_data_func_full fallback

Move the fallback from qtest_add_data_func_full() to glib-compat.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

include/glib-compat.h

@@ -328,4 +328,25 @@ static inline void g_source_set_name_by_id(guint tag, const char *name)
 #define g_test_subprocess() (0)
 #endif
 
+
+#if !GLIB_CHECK_VERSION(2, 34, 0)
+static inline void
+g_test_add_data_func_full(const char *path,
+                          gpointer data,
+                          gpointer fn,
+                          gpointer data_free_func)
+{
+#if GLIB_CHECK_VERSION(2, 26, 0)
+    /* back-compat casts, remove this once we can require new-enough glib */
+    g_test_add_vtable(path, 0, data, NULL,
+                      (GTestFixtureFunc)fn, (GTestFixtureFunc) data_free_func);
+#else
+    /* back-compat casts, remove this once we can require new-enough glib */
+    g_test_add_vtable(path, 0, data, NULL,
+                      (void (*)(void)) fn, (void (*)(void)) data_free_func);
+#endif
+}
+#endif
+
+
 #endif

tests/libqtest.c

@@ -805,17 +805,7 @@ void qtest_add_data_func_full(const char *str, void *data,
                               GDestroyNotify data_free_func)
 {
     gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
-#if GLIB_CHECK_VERSION(2, 34, 0)
     g_test_add_data_func_full(path, data, fn, data_free_func);
-#elif GLIB_CHECK_VERSION(2, 26, 0)
-    /* back-compat casts, remove this once we can require new-enough glib */
-    g_test_add_vtable(path, 0, data, NULL,
-                      (GTestFixtureFunc)fn, (GTestFixtureFunc) data_free_func);
-#else
-    /* back-compat casts, remove this once we can require new-enough glib */
-    g_test_add_vtable(path, 0, data, NULL,
-                      (void (*)(void)) fn, (void (*)(void)) data_free_func);
-#endif
     g_free(path);
 }