File 0019-handle-empty-foundry-encoded-as-NULL.patch of Package fonttosfnt.20912

From 4d418c1602c8b939d3e5e479c44985a505ecad83 Mon Sep 17 00:00:00 2001
From: Christopher Zimmermann <madroach@gmerlin.de>
Date: Fri, 23 Oct 2020 21:35:24 +0200
Subject: [PATCH] handle empty foundry encoded as NULL

to fix a segfault
---
 read.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/read.c b/read.c
index 2d41e33..6b41ba5 100644
--- a/read.c
+++ b/read.c
@@ -250,8 +250,14 @@ readFile(char *filename, FontPtr font)
         rc = FT_Get_BDF_Property(face, "FOUNDRY", &prop);
         if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) {
             font->names[i].nid = 8;
-            font->names[i].size = 2 * strlen(prop.u.atom);
-            font->names[i].value = makeUTF16((char*)prop.u.atom);
+	    if(prop.u.atom) {
+		font->names[i].size = 2 * strlen(prop.u.atom);
+		font->names[i].value = makeUTF16((char*)prop.u.atom);
+	    }
+	    else {
+		font->names[i].size = 0;
+		font->names[i].value = makeUTF16("");
+	    }
             i++;
         }
 
-- 
GitLab