From: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Date: Tue, 29 Apr 2014 19:58:49 +0000 (+0200)
Subject: fontselect: fix NULL dereference
X-Git-Tag: 0.13.0~28^2~69
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f72f47fd5e2ab3832bdc3024b3a8f85d570492f6;p=libass

fontselect: fix NULL dereference

Apparently on some broken fonts, FreeType can return a NULL family name. Avoid
to crash in these cases.
---

diff --git a/libass/ass_fontselect.c b/libass/ass_fontselect.c
index 398d8f9..bc1dec5 100644
--- a/libass/ass_fontselect.c
+++ b/libass/ass_fontselect.c
@@ -640,7 +640,7 @@ get_font_info(FT_Library lib, FT_Face face, ASS_FontProviderMetaData *info)
     iconv_close(utf16to8);
 
     // check if we got a valid family - if not use whatever FreeType gives us
-    if (num_family == 0) {
+    if (num_family == 0 && face->family_name) {
         families[0] = strdup(face->family_name);
         num_family++;
     }