From c5a677a9de98180d06e9ba09766c39f894d9bdd3 Mon Sep 17 00:00:00 2001
From: Alessio Quaglino <quaglino@google.com>
Date: Mon, 14 Oct 2024 05:10:04 -0700
Subject: [PATCH] Fix load error message. Fixes #2135

PiperOrigin-RevId: 685668168
Change-Id: Ieac7ccca5bee695cf55fc74bd33fadf77a025cb9
---
 simulate/main.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/simulate/main.cc b/simulate/main.cc
index ac4d7b36..3ebe873c 100644
--- a/simulate/main.cc
+++ b/simulate/main.cc
@@ -247,6 +247,7 @@ mjModel* LoadModel(const char* file, mj::Simulate& sim) {
 
   if (!mnew) {
     std::printf("%s\n", loadError);
+    mju::strcpy_arr(sim.load_error, loadError);
     return nullptr;
   }
 
@@ -258,7 +259,7 @@ mjModel* LoadModel(const char* file, mj::Simulate& sim) {
   }
 
   // if no error and load took more than 1/4 seconds, report load time
-  if (!loadError[0] && load_seconds > 0.25) {
+  else if (load_seconds > 0.25) {
     mju::sprintf_arr(loadError, "Model loaded in %.2g seconds", load_seconds);
   }