From d38af718f38d78bdc0819dc0571c23c56cbf7d90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Simonis?= <simonisfrederic@gmail.com>
Date: Thu, 8 Aug 2024 15:09:00 +0200
Subject: [PATCH] Fix SEGFAULT on missing mesh (#196)

* Fix SEGFAULT on missing mesh

* Add changelog
---
 changelog-entries/196.md | 1 +
 src/modes.cpp            | 5 +++++
 2 files changed, 6 insertions(+)
 create mode 100644 changelog-entries/196.md

diff --git a/changelog-entries/196.md b/changelog-entries/196.md
new file mode 100644
index 00000000..164c3d00
--- /dev/null
+++ b/changelog-entries/196.md
@@ -0,0 +1 @@
+- Fixed SEGFAULT in `precice-aste-run` if no mesh is found for the given name.
diff --git a/src/modes.cpp b/src/modes.cpp
index 02f7608b..97973ac6 100644
--- a/src/modes.cpp
+++ b/src/modes.cpp
@@ -200,6 +200,11 @@ void aste::runMapperMode(const aste::ExecutionContext &context, const OptionMap
   }
 
   auto asteInterface = asteConfiguration.asteInterfaces.front();
+  if (asteInterface.meshes.empty()) {
+    ASTE_ERROR << "ERROR: Could not find meshes for name: " << meshname;
+    MPI_Abort(MPI_COMM_WORLD, EXIT_FAILURE);
+  }
+
   ASTE_INFO << "Loading mesh from " << asteInterface.meshes.front().filename();
   const bool requireConnectivity = preciceInterface.requiresMeshConnectivityFor(asteInterface.meshName);
   const int  dim                 = preciceInterface.getMeshDimensions(asteInterface.meshName);