From ab6ce05aec5b0f74888fe0972bc444becca90e96 Mon Sep 17 00:00:00 2001
From: mjk <yuubi-san@users.noreply.github.com>
Date: Fri, 19 Mar 2021 22:44:38 +0000
Subject: [PATCH] handle empty hresult_error message specially

---
 plugins/windows-notification/api/src/ginvoke.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/plugins/windows-notification/api/src/ginvoke.cpp b/plugins/windows-notification/api/src/ginvoke.cpp
index 5e5d27a7..407c18b3 100644
--- a/plugins/windows-notification/api/src/ginvoke.cpp
+++ b/plugins/windows-notification/api/src/ginvoke.cpp
@@ -16,10 +16,16 @@ namespace glib::impl
         const char *ptr = nullptr;
         try
         {
-            ptr = wsview_to_char(e.message());
-            std::string msg{ptr};
-            g_free(const_cast<char *>(ptr));  // WTF? Deletion is not modification!
-            return {{ e.code(), {std::move(msg)} }};
+            const auto wmsg = std::wstring_view{e.message()};
+            if (not wmsg.empty())
+            {
+                ptr = wsview_to_char(wmsg);
+                std::string msg{ptr};
+                g_free(const_cast<char *>(ptr));  // WTF? Deletion is not modification!
+                return {{ e.code(), {std::move(msg)} }};
+            }
+            else
+                return {{ e.code(), {"<no error description>"} }};
         }
         catch (...)
         {