From 5e2150e9e86a8ac58b51177c2a9c8465f630c6d6 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 9 Dec 2015 17:19:42 +0100
Subject: coretext: fix NULL CFStringRef dereference

---
 libass/ass_coretext.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libass/ass_coretext.c')

diff --git a/libass/ass_coretext.c b/libass/ass_coretext.c
index d749df0..aed4b02 100644
--- a/libass/ass_coretext.c
+++ b/libass/ass_coretext.c
@@ -34,6 +34,8 @@ static const ASS_FontMapping font_substitutions[] = {
 
 static char *cfstr2buf(CFStringRef string)
 {
+    if (!string)
+        return NULL;
     const int encoding = kCFStringEncodingUTF8;
     const char *buf_ptr = CFStringGetCStringPtr(string, encoding);
     if (buf_ptr) {
-- 
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