From d337126c80c55ba8d62536e070b97925902278ff Mon Sep 17 00:00:00 2001
From: Linus Dierheimer <Linus@Dierheimer.de>
Date: Sat, 24 Sep 2022 00:43:55 +0200
Subject: [PATCH] Fix possible crash in strbuf

---
 src/util/FFstrbuf.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/util/FFstrbuf.h b/src/util/FFstrbuf.h
index 6dff9675f..be1849623 100644
--- a/src/util/FFstrbuf.h
+++ b/src/util/FFstrbuf.h
@@ -117,7 +117,9 @@ static inline void ffStrbufAppendS(FFstrbuf* strbuf, const char* value)
 static inline void ffStrbufSetS(FFstrbuf* strbuf, const char* value)
 {
     ffStrbufClear(strbuf);
-    ffStrbufAppendNS(strbuf, (uint32_t) strlen(value), value);
+
+    if(value != NULL)
+        ffStrbufAppendNS(strbuf, (uint32_t) strlen(value), value);
 }
 
 static inline void ffStrbufInitS(FFstrbuf* strbuf, const char* str)