src: make Endianness an enum class

PR-URL: #44411 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Darshan Sen <[email protected]>

Author: tniessen

src/util.h

@@ -748,26 +748,23 @@ inline v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
  .Check(); \
  } while (0)
 
-enum Endianness{
-kLittleEndian, // _Not_ LITTLE_ENDIAN, clashes with endian.h.
-kBigEndian
-};
+enumclassEndianness{LITTLE, BIG };
 
-inlineenumEndianness GetEndianness(){
+inline Endianness GetEndianness(){
 // Constant-folded by the compiler.
 constunion{
 uint8_tu8[2];
 uint16_tu16;
  } u ={{1, 0}};
-return u.u16 == 1 ? kLittleEndian : kBigEndian;
+return u.u16 == 1 ? Endianness::LITTLE : Endianness::BIG;
 }
 
 inlineboolIsLittleEndian(){
-returnGetEndianness() == kLittleEndian;
+returnGetEndianness() == Endianness::LITTLE;
 }
 
 inlineboolIsBigEndian(){
-returnGetEndianness() == kBigEndian;
+returnGetEndianness() == Endianness::BIG;
 }
 
 // Round up a to the next highest multiple of b.