From f9228256ae6f52f7fcc7717a53780586bed10e15 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Tue, 11 Oct 2016 14:29:25 +0300
Subject: hardening

---
 src/error.hpp |  3 ++-
 src/main.cpp  | 29 +++++++++++++++++++----------
 2 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/src/error.hpp b/src/error.hpp
index e8f47a4..0c5b917 100644
--- a/src/error.hpp
+++ b/src/error.hpp
@@ -7,6 +7,7 @@
 
 #include <Windows.h>
 
+#include <exception>
 #include <system_error>
 
 typedef std::system_error Error;
@@ -24,7 +25,7 @@ namespace error
         throw make(function_name);
     }
 
-    void report(const Error& e)
+    void report(const std::exception& e)
     {
         MessageBoxA(NULL, e.what(), NULL, MB_OK);
     }
diff --git a/src/main.cpp b/src/main.cpp
index be8d5e7..3ae2bcc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -15,6 +15,7 @@
 #include <CommCtrl.h>
 #include <windowsx.h>
 
+#include <exception>
 #include <string>
 
 #pragma comment(linker, "/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
@@ -223,17 +224,25 @@ int APIENTRY wWinMain(
     wchar_t*,
     int)
 {
-    const auto ret = DialogBoxW(
-        instance,
-        MAKEINTRESOURCE(IDD_MAINDIALOG),
-        NULL,
-        dialog_main);
+    try
+    {
+        const auto ret = DialogBoxW(
+            instance,
+            MAKEINTRESOURCE(IDD_MAINDIALOG),
+            NULL,
+            dialog_main);
 
-    switch (ret)
+        switch (ret)
+        {
+            case -1:
+                error::report(error::make("DialogBoxW"));
+            default:
+                return static_cast<int>(ret);
+        }
+    }
+    catch (const std::exception& e)
     {
-        case -1:
-            error::report(error::make("DialogBoxW"));
-        default:
-            return static_cast<int>(ret);
+        error::report(e);
+        return 1;
     }
 }
-- 
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