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Bug 546549 : Better Type Checking reviewed by: mitch

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2008-08-08  Sven Herzberg  <sven@imendio.com>

	Bug 546549 : Better Type Checking
	reviewed by: mitch

	* gdk-pixbuf-animation.c: check if a vfunc is implemented before
	trying to call into it


svn path=/trunk/; revision=21047
This commit is contained in:
Sven Herzberg 2008-08-08 15:30:22 +00:00 committed by Sven Herzberg
parent 1b34902d33
commit 1c60b85915
2 changed files with 20 additions and 8 deletions
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8
gdk-pixbuf/ChangeLog
View File

@ -1,3 +1,11 @@
2008-08-08 Sven Herzberg <sven@imendio.com>
Bug 546549 : Better Type Checking
reviewed by: mitch
* gdk-pixbuf-animation.c: check if a vfunc is implemented before
trying to call into it
2008-08-06 Sven Herzberg <sven@imendio.com>
Bug 546549 : Better Type Checking

4
gdk-pixbuf/gdk-pixbuf-animation.c
View File

@ -459,6 +459,7 @@ int
gdk_pixbuf_animation_iter_get_delay_time (GdkPixbufAnimationIter *iter)
{
g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), -1);
g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_delay_time, -1);
return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_delay_time (iter);
}
@ -485,6 +486,7 @@ GdkPixbuf*
gdk_pixbuf_animation_iter_get_pixbuf (GdkPixbufAnimationIter *iter)
{
g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), NULL);
g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_pixbuf, NULL);
return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_pixbuf (iter);
}
@ -505,6 +507,7 @@ gboolean
gdk_pixbuf_animation_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter)
{
g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), FALSE);
g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->on_currently_loading_frame, FALSE);
return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->on_currently_loading_frame (iter);
}
@ -544,6 +547,7 @@ gdk_pixbuf_animation_iter_advance (GdkPixbufAnimationIter *iter,
GTimeVal val;
g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), FALSE);
g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->advance, FALSE);
if (current_time)
val = *current_time;