From 7026c6c484c51ae66c094c145c4cc873c97ea438 Mon Sep 17 00:00:00 2001
From: Brooks J Rady <b.j.rady@gmail.com>
Date: Wed, 25 Nov 2020 20:35:26 +0000
Subject: [PATCH] Don't crash (sometimes)

---
 src/main.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 2c152198..a7cac65f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -293,6 +293,8 @@ pub fn start(mut os_input: Box<dyn OsApi>, opts: Opt) {
                         "host_open_file",
                         Function::new_native_with_env(&store, Arc::clone(&wasi_env.state), host_open_file),
                     ); */
+                    fn noop() {}
+                    host_exports.insert("host_open_file", Function::new_native(&store, noop));
                     import_object.register("mosaic", host_exports);
                     let instance = Instance::new(&module, &import_object)?;