From: wm4 <wm4@nowhere>
Date: Wed, 9 Dec 2015 16:19:42 +0000 (+0100)
Subject: coretext: fix NULL CFStringRef dereference
X-Git-Tag: 0.13.2~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5e2150e9e86a8ac58b51177c2a9c8465f630c6d6;p=libass

coretext: fix NULL CFStringRef dereference
---

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) {