Merge svn changes up to r29117

1 files changed, 4 insertions, 0 deletions

diff --git a/libass/ass_render.c b/libass/ass_render.c
index e52195e023..fd3a122e9b 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -455,6 +455,7 @@ static void render_overlap(ass_image_t** last_tail, ass_image_t** tail, bitmap_h
 	cur_top = top-by;
 
 	// Query cache
+	memset(&hk, 0, sizeof(hk));
 	memcpy(&hk.a, last_hash, sizeof(*last_hash));
 	memcpy(&hk.b, hash, sizeof(*hash));
 	hk.aw = aw;
@@ -1432,6 +1433,7 @@ static void get_outline_glyph(int symbol, glyph_info_t* info, FT_Vector* advance
 	int error;
 	glyph_hash_val_t* val;
 	glyph_hash_key_t key;
+	memset(&key, 0, sizeof(key));
 	key.font = render_context.font;
 	key.size = render_context.font_size;
 	key.ch = symbol;
@@ -1876,6 +1878,7 @@ static void transform_3d(FT_Vector shift, FT_Glyph* glyph, FT_Glyph* glyph2, dou
 /**
  * \brief Main ass rendering function, glues everything together
  * \param event event to render
+ * \param event_images struct containing resulting images, will also be initialized
  * Process event, appending resulting ass_image_t's to images_root.
  */
 static int ass_render_event(ass_event_t* event, event_images_t* event_images)
@@ -2169,6 +2172,7 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
 	for (i = 0; i < text_info.length; ++i)
 		get_bitmap_glyph(text_info.glyphs + i);
 
+	memset(event_images, 0, sizeof(*event_images));
 	event_images->top = device_y - d6_to_int(text_info.lines[0].asc);
 	event_images->height = d6_to_int(text_info.height);
 	event_images->detect_collisions = render_context.detect_collisions;