From ab6683fdb2805f0f041bda7eccde49be661c5bfa Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Tue, 7 Nov 2023 16:29:54 +0100
Subject: foo

---
 .../LibOVRKernel/Src/Kernel/OVR_Nullptr.h          | 159 +++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 ovr_sdk_win_23.0.0/LibOVRKernel/Src/Kernel/OVR_Nullptr.h

(limited to 'ovr_sdk_win_23.0.0/LibOVRKernel/Src/Kernel/OVR_Nullptr.h')

diff --git a/ovr_sdk_win_23.0.0/LibOVRKernel/Src/Kernel/OVR_Nullptr.h b/ovr_sdk_win_23.0.0/LibOVRKernel/Src/Kernel/OVR_Nullptr.h
new file mode 100644
index 0000000..9a6494f
--- /dev/null
+++ b/ovr_sdk_win_23.0.0/LibOVRKernel/Src/Kernel/OVR_Nullptr.h
@@ -0,0 +1,159 @@
+/************************************************************************************
+
+Filename    :   OVR_Nullptr.h
+Content     :   Implements C++11 nullptr for the case that the compiler doesn't.
+Created     :   June 19, 2014
+Notes       :
+
+Copyright   :   Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
+
+Licensed under the Oculus Master SDK License Version 1.0 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+https://developer.oculus.com/licenses/oculusmastersdk-1.0
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#ifndef OVR_Nullptr_h
+#define OVR_Nullptr_h
+
+#pragma once
+
+#include "OVR_Types.h"
+
+//-----------------------------------------------------------------------------------
+// ***** OVR_HAVE_std_nullptr_t
+//
+// Identifies if <cstddef.h> includes std::nullptr_t.
+//
+#if !defined(OVR_HAVE_std_nullptr_t) && defined(OVR_CPP11_ENABLED)
+#if defined(OVR_STDLIB_LIBCPP)
+#define OVR_HAVE_std_nullptr_t 1
+#elif defined(OVR_STDLIB_LIBSTDCPP)
+#if (__GLIBCXX__ >= 20110325) && (__GLIBCXX__ != 20110428) && (__GLIBCXX__ != 20120702)
+#define OVR_HAVE_std_nullptr_t 1
+#endif
+#elif defined(_MSC_VER) && (_MSC_VER >= 1600) // VS2010+
+#define OVR_HAVE_std_nullptr_t 1
+#elif defined(__clang__)
+#define OVR_HAVE_std_nullptr_t 1
+#elif defined(OVR_CPP_GNUC) && (OVR_CC_VERSION >= 406) // GCC 4.6+
+#define OVR_HAVE_std_nullptr_t 1
+#endif
+#endif
+
+//-----------------------------------------------------------------------------------
+// ***** nullptr / std::nullptr_t
+//
+// Declares and defines nullptr and related types.
+//
+#if defined(OVR_CPP_NO_NULLPTR)
+namespace std {
+class nullptr_t {
+ public:
+  template <typename T>
+  operator T*() const {
+    return 0;
+  }
+
+  template <typename C, typename T>
+  operator T C::*() const {
+    return 0;
+  }
+
+#if OVR_CPP_NO_EXPLICIT_CONVERSION_OPERATORS
+  typedef void* (nullptr_t::*bool_)()
+      const; // 4.12,p1. We can't portably use operator bool(){ return false; } because bool
+  operator bool_() const // is convertable to int which breaks other required functionality.
+  {
+    return false;
+  }
+#else
+  operator bool() const {
+    return false;
+  }
+#endif
+
+ private:
+  void operator&() const; // 5.2.10,p9
+};
+
+inline nullptr_t nullptr_get() {
+  nullptr_t n = {};
+  return n;
+}
+
+#if !defined(nullptr)
+#define nullptr nullptr_get()
+#endif
+
+} // namespace std
+
+// 5.9,p2 p4
+// 13.6, p13
+template <typename T>
+inline bool operator==(T* pT, const std::nullptr_t) {
+  return pT == 0;
+}
+
+template <typename T>
+inline bool operator==(const std::nullptr_t, T* pT) {
+  return pT == 0;
+}
+
+template <typename T, typename U>
+inline bool operator==(const std::nullptr_t, T U::*pU) {
+  return pU == 0;
+}
+
+template <typename T, typename U>
+inline bool operator==(T U::*pTU, const std::nullptr_t) {
+  return pTU == 0;
+}
+
+inline bool operator==(const std::nullptr_t, const std::nullptr_t) {
+  return true;
+}
+
+inline bool operator!=(const std::nullptr_t, const std::nullptr_t) {
+  return false;
+}
+
+inline bool operator<(const std::nullptr_t, const std::nullptr_t) {
+  return false;
+}
+
+inline bool operator<=(const std::nullptr_t, const std::nullptr_t) {
+  return true;
+}
+
+inline bool operator>(const std::nullptr_t, const std::nullptr_t) {
+  return false;
+}
+
+inline bool operator>=(const std::nullptr_t, const std::nullptr_t) {
+  return true;
+}
+
+using std::nullptr_get;
+using std::nullptr_t;
+
+// Some compilers natively support C++11 nullptr but the standard library being used
+// doesn't declare std::nullptr_t, in which case we provide one ourselves.
+#elif !defined(OVR_HAVE_std_nullptr_t) && !defined(OVR_CPP_NO_DECLTYPE)
+namespace std {
+typedef decltype(nullptr) nullptr_t;
+}
+#endif
+
+#endif
-- 
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