diff options
Diffstat (limited to 'libstdc++-v3/include/std/iosfwd')
| -rw-r--r-- | libstdc++-v3/include/std/iosfwd | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/iosfwd b/libstdc++-v3/include/std/iosfwd index 2d79a131631..c8c67c86c3b 100644 --- a/libstdc++-v3/include/std/iosfwd +++ b/libstdc++-v3/include/std/iosfwd @@ -207,6 +207,24 @@ _GLIBCXX_END_NAMESPACE_CXX11 /// Class for @c wchar_t mixed input and output file streams. typedef basic_fstream<wchar_t> wfstream; #endif + +#if __cplusplus >= 202002L && _GLIBCXX_USE_CXX11_ABI + template<typename _CharT, typename _Traits = char_traits<_CharT>, + typename _Allocator = allocator<_CharT>> + class basic_syncbuf; + template<typename _CharT, typename _Traits = char_traits<_CharT>, + typename _Allocator = allocator<_CharT>> + class basic_osyncstream; + + using syncbuf = basic_syncbuf<char>; + using osyncstream = basic_osyncstream<char>; + +#ifdef _GLIBCXX_USE_WCHAR_T + using wsyncbuf = basic_syncbuf<wchar_t>; + using wosyncstream = basic_osyncstream<wchar_t>; +#endif +#endif // C++20 && CXX11_ABI + /** @} */ _GLIBCXX_END_NAMESPACE_VERSION |