Get rid of NULL checks for free

The useless "if (foo) free(foo)" idiom is all over the place, just
get rid of it finally...

1 files changed, 14 insertions, 22 deletions

diff --git a/libass/ass.c b/libass/ass.c
index b080ff9a..cc66e1a1 100644
--- a/libass/ass.c
+++ b/libass/ass.c
@@ -65,26 +65,22 @@ void ass_free_track(ASS_Track *track)
     int i;
 
     if (track->parser_priv) {
-        if (track->parser_priv->fontname)
-            free(track->parser_priv->fontname);
-        if (track->parser_priv->fontdata)
-            free(track->parser_priv->fontdata);
+        free(track->parser_priv->fontname);
+        free(track->parser_priv->fontdata);
         free(track->parser_priv);
     }
-    if (track->style_format)
-        free(track->style_format);
-    if (track->event_format)
-        free(track->event_format);
+    free(track->style_format);
+    free(track->event_format);
     if (track->styles) {
         for (i = 0; i < track->n_styles; ++i)
             ass_free_style(track, i);
-        free(track->styles);
     }
+    free(track->styles);
     if (track->events) {
         for (i = 0; i < track->n_events; ++i)
             ass_free_event(track, i);
-        free(track->events);
     }
+    free(track->events);
     free(track->name);
     free(track);
 }
@@ -136,23 +132,19 @@ int ass_alloc_event(ASS_Track *track)
 void ass_free_event(ASS_Track *track, int eid)
 {
     ASS_Event *event = track->events + eid;
-    if (event->Name)
-        free(event->Name);
-    if (event->Effect)
-        free(event->Effect);
-    if (event->Text)
-        free(event->Text);
-    if (event->render_priv)
-        free(event->render_priv);
+
+    free(event->Name);
+    free(event->Effect);
+    free(event->Text);
+    free(event->render_priv);
 }
 
 void ass_free_style(ASS_Track *track, int sid)
 {
     ASS_Style *style = track->styles + sid;
-    if (style->Name)
-        free(style->Name);
-    if (style->FontName)
-        free(style->FontName);
+
+    free(style->Name);
+    free(style->FontName);
 }
 
 // ==============================================================================================