From ae61432beb1bf3f3dfa88f7fb4021532352aa6b0 Mon Sep 17 00:00:00 2001
From: avsdev-cw <craig@avsdev.uk>
Date: Thu, 8 Oct 2020 15:17:53 +0100
Subject: [PATCH] Handle NULL strings

---
 src/strext.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/strext.c b/src/strext.c
index 53a55b4..31cce4f 100644
--- a/src/strext.c
+++ b/src/strext.c
@@ -190,6 +190,11 @@ int strbld_str(str_builder *sb, const char *str, size_t len)
     return 0;
   }
 
+  if (str == 0) {
+    // NOTE: Should this be a fail?
+    return 0;
+  }
+
   if (len == 0) {
     len = strlen(str);
   }