From 05586ce4a24dcbcb6b275850c9ccc3060b8f4f3e Mon Sep 17 00:00:00 2001
From: Daniel Kirchner <daniel@ekpyron.org>
Date: Sun, 14 Jan 2018 10:38:05 +0100
Subject: [PATCH] Don't destroy null-objects in UniqueHandle (Fixes #171).

---
 VulkanHppGenerator.cpp | 4 ++--
 vulkan/vulkan.hpp      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/VulkanHppGenerator.cpp b/VulkanHppGenerator.cpp
index cbd0beb..ce5d407 100644
--- a/VulkanHppGenerator.cpp
+++ b/VulkanHppGenerator.cpp
@@ -594,7 +594,7 @@ const std::string uniqueHandleHeader = R"(
 
     ~UniqueHandle()
     {
-      this->destroy( m_value );
+      if ( m_value ) this->destroy( m_value );
     }
 
     UniqueHandle & operator=( UniqueHandle const& ) = delete;
@@ -645,7 +645,7 @@ const std::string uniqueHandleHeader = R"(
     {
       if ( m_value != value )
       {
-        this->destroy( m_value );
+        if ( m_value ) this->destroy( m_value );
         m_value = value;
       }
     }
diff --git a/vulkan/vulkan.hpp b/vulkan/vulkan.hpp
index 9b5a048..55ca8e0 100644
--- a/vulkan/vulkan.hpp
+++ b/vulkan/vulkan.hpp
@@ -351,7 +351,7 @@ namespace VULKAN_HPP_NAMESPACE
 
     ~UniqueHandle()
     {
-      this->destroy( m_value );
+      if ( m_value ) this->destroy( m_value );
     }
 
     UniqueHandle & operator=( UniqueHandle const& ) = delete;
@@ -402,7 +402,7 @@ namespace VULKAN_HPP_NAMESPACE
     {
       if ( m_value != value )
       {
-        this->destroy( m_value );
+        if ( m_value ) this->destroy( m_value );
         m_value = value;
       }
     }