[gdk-pixbuf] ANI: assert and assume that the module callbacks are non-NULL

[Emmanuele Bassi <ebassi src gnome org>]

commit ca8f5de301c8d4782c6b8908f7d1c2ba7d3b53bc
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Nov 28 19:20:36 2017 -0600

    ANI: assert and assume that the module callbacks are non-NULL

 gdk-pixbuf/io-ani.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/gdk-pixbuf/io-ani.c b/gdk-pixbuf/io-ani.c
index f08efa1c5..c6c4642cf 100644
--- a/gdk-pixbuf/io-ani.c
+++ b/gdk-pixbuf/io-ani.c
@@ -161,10 +161,9 @@ prepared_callback (GdkPixbufLoader *loader,
 
        if (context->pos == 0) 
        {
-               if (context->prepared_func)
-                       (* context->prepared_func) (pixbuf, 
-                                                   GDK_PIXBUF_ANIMATION (context->animation), 
-                                                   context->user_data);
+               (* context->prepared_func) (pixbuf, 
+                                           GDK_PIXBUF_ANIMATION (context->animation), 
+                                           context->user_data);
        }
        else {
                /* FIXME - this is necessary for nice display of loading 
@@ -189,10 +188,9 @@ updated_callback (GdkPixbufLoader* loader,
 
        GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
        
-       if (context->updated_func)
-               (* context->updated_func) (pixbuf, 
-                                          x, y, width, height,
-                                          context->user_data);
+       (* context->updated_func) (pixbuf, 
+                                  x, y, width, height,
+                                  context->user_data);
 }
 
 static gboolean
@@ -586,6 +584,10 @@ gdk_pixbuf__ani_image_begin_load (GdkPixbufModuleSizeFunc size_func,
 {
         AniLoaderContext *context;
         
+       g_assert (size_func != NULL);
+       g_assert (prepared_func != NULL);
+       g_assert (updated_func != NULL);
+
         context = g_new0 (AniLoaderContext, 1);
         
         context->prepared_func = prepared_func;