From 33e902a74465110489c6566f5f0c035ad9432de4 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 1 Jul 2022 18:30:37 +0200
Subject: compat: drop pre-C++20 macros.hpp header

---
 compat/macros.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 compat/macros.h

(limited to 'compat/macros.h')

diff --git a/compat/macros.h b/compat/macros.h
new file mode 100644
index 00000000..5325d055
--- /dev/null
+++ b/compat/macros.h
@@ -0,0 +1,53 @@
+#pragma once
+
+#if defined _MSC_VER
+#   define never_inline __declspec(noinline)
+#else
+#   define never_inline __attribute__((noinline))
+#endif
+
+#if defined _MSC_VER
+#   define force_inline __forceinline
+#else
+#   define force_inline __attribute__((always_inline))
+#endif
+
+#if !defined likely
+#   if defined __GNUC__
+#      define likely(x)       __builtin_expect(!!(x),1)
+#      define unlikely(x)     __builtin_expect(!!(x),0)
+#   else
+#      define likely(x) (x)
+#      define unlikely(x) (x)
+#   endif
+#endif
+
+#if defined _MSC_VER
+#   define function_name __FUNCSIG__
+#else
+#   define function_name __PRETTY_FUNCTION__
+#endif
+
+#ifdef _MSC_VER
+#   define unreachable() do { __assume(0); *(volatile int*)nullptr = 0; } while (0) /* NOLINT(clang-analyzer-core.NullDereference) */
+#else
+#   define unreachable() do { __builtin_unreachable(); *(volatile int*)nullptr = 0; } while (0) /* NOLINT(clang-analyzer-core.NullDereference) */
+#endif
+
+#ifdef __cplusplus
+#   define progn(...) ([&]() -> decltype(auto) { __VA_ARGS__ }())
+#   define eval_once2(expr, ctr) eval_once3(expr, ctr)
+#   define eval_once3(expr, ctr) ([&] { [[maybe_unused]] static const char init_ ## ctr = ((void)(expr), 0); }())
+#   define eval_once(expr) eval_once2(expr, __COUNTER__)
+
+#define OTR_DISABLE_MOVE_COPY(type)         \
+    type(const type&) = delete;             \
+    type(type&&) = delete;                  \
+    type& operator=(const type&) = delete;  \
+    type& operator=(type&&) = delete
+#endif
+
+#ifdef _MSC_VER
+#   define strncasecmp _strnicmp
+#   define strcasecmp _stricmp
+#endif
-- 
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