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authorwm4 <wm4@nowhere>2015-12-09 17:19:42 +0100
committerwm4 <wm4@nowhere>2015-12-09 17:19:42 +0100
commit5e2150e9e86a8ac58b51177c2a9c8465f630c6d6 (patch)
tree2ba9398ed00a49a5042d0bc9e5f78e9058a2a47e
parent0de70b37524b9e43a4bffb13d62de3f6e563a92b (diff)
downloadlibass-5e2150e9e86a8ac58b51177c2a9c8465f630c6d6.tar.bz2
libass-5e2150e9e86a8ac58b51177c2a9c8465f630c6d6.tar.xz
coretext: fix NULL CFStringRef dereference
-rw-r--r--libass/ass_coretext.c2
1 files changed, 2 insertions, 0 deletions
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) {