[PATCH v3 1/1] MdePkg: Add STATIC_ASSERT macro

["Vitaly Cheptsov" <vit9696@protonmail.com>]

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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2048

Provide a macro for compile time assertions.
Equivalent to C11 static_assert macro from assert.h.

Signed-off-by: Vitaly Cheptsov <vit9696@protonmail.com>
---
 MdePkg/Include/Base.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index ce20b5f01d..ec096133ba 100644
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -843,6 +843,20 @@ typedef UINTN  *BASE_LIST;
 #define OFFSET_OF(TYPE, Field) ((UINTN) &(((TYPE *)0)->Field))
 #endif
 
+/**
+  Portable definition for compile time assertions.
+  Equivalent to C11 static_assert macro from assert.h.
+
+  @param  Expression  Boolean expression.
+  @param  Message     Raised compiler diagnostic message when expression is false.
+
+**/
+#ifdef _MSC_EXTENSIONS
+  #define STATIC_ASSERT static_assert
+#else
+  #define STATIC_ASSERT _Static_assert
+#endif
+
 /**
   Macro that returns a pointer to the data structure that contains a specified field of
   that data structure.  This is a lightweight method to hide information by placing a
-- 
2.20.1 (Apple Git-117)


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