From 93861f07dd9426e822520afdb2ca38dfa9719f41 Mon Sep 17 00:00:00 2001
From: alistair <alistair@topost.net>
Date: Tue, 31 Aug 2021 12:53:38 +1000
Subject: [PATCH] handle missing language in highlight

---
 srchighlight.hpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/srchighlight.hpp b/srchighlight.hpp
index 57da715..56970a5 100644
--- a/srchighlight.hpp
+++ b/srchighlight.hpp
@@ -209,7 +209,16 @@ class gnu_highlighter {
             const std::string &lang) {
 
         char *highlighted = syntect_to_html(lang.c_str(), "base16-ocean.light", program.c_str());
-        return std::string(highlighted, highlighted + strlen(highlighted));
+
+        if (highlighted) {
+            auto res = std::string(highlighted, highlighted + strlen(highlighted));
+            syntect_release_str(highlighted);
+            return res;
+        } else {
+            spdlog::warn("Failed to highlight code block, bad language? '{}'", lang);
+            return program;
+        }
+
 
         //return oout.str();
     }