Merge pull request p12tic#128 from p12tic/headers-int-types-in-global-ns

Headers: Put integer typedefs to global namespace too by default

Author: p12tic

headers/README.md

@@ -32,6 +32,10 @@ macros:
    values are 1998, 2003, 2011, 2014, 2017 which correspond to the respective
    C++ standards.
 
+ - CPPREFERENCE_INT_TYPES_ONLY_IN_STD: non-zero value results in integer types
+   such as std::size_t, std::uint16_t and so on being defined only in std
+   namespace.
+
  - CPPREFERENCE_SIMPLIFY_TYPEDEFS: non-zero value results in simplified
    typedefs being exposed. Usage of various traits is greatly reduced; the
    typedefs refer to types that would be resolved in most common cases.

headers/cstddef

@@ -38,4 +38,10 @@ typedef decltype(nullptr) nullptr_t;
 #endif
 } // namespace std
 
+#if !CPPREFERENCE_INT_TYPES_ONLY_IN_STD
+using std::ptrdiff_t;
+using std::size_t;
+using std::max_align_t;
+#endif // !CPPREFERENCE_INT_TYPES_ONLY_IN_STD
+
 #endif // CPPREFERENCE_CSTDDEF_H

headers/cstdint

@@ -142,4 +142,36 @@ typedef unsigned long long uintmax_t;
 } // namespace std
 #endif // CPPREFERENCE_STDVER>= 2011
 
+#if !CPPREFERENCE_INT_TYPES_ONLY_IN_STD
+using std::int8_t;
+using std::int16_t;
+using std::int32_t;
+using std::int64_t;
+using std::uint8_t;
+using std::uint16_t;
+using std::uint32_t;
+using std::uint64_t;
+using std::int_fast8_t;
+using std::int_fast16_t;
+using std::int_fast32_t;
+using std::int_fast64_t;
+using std::uint_fast8_t;
+using std::uint_fast16_t;
+using std::uint_fast32_t;
+using std::uint_fast64_t;
+using std::int_least8_t;
+using std::int_least16_t;
+using std::int_least32_t;
+using std::int_least64_t;
+using std::uint_least8_t;
+using std::uint_least16_t;
+using std::uint_least32_t;
+using std::uint_least64_t;
+
+using std::intptr_t;
+using std::uintptr_t;
+using std::intmax_t;
+using std::uintmax_t;
+#endif
+
 #endif // CPPREFERENCE_CSTDINT_H