1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___FWD_IOS_H 10 #define _LIBCPP___FWD_IOS_H 11 12 #include <__config> 13 #include <__fwd/string.h> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 # pragma GCC system_header 17 #endif 18 19 _LIBCPP_BEGIN_NAMESPACE_STD 20 21 class _LIBCPP_EXPORTED_FROM_ABI ios_base; 22 23 template <class _CharT, class _Traits = char_traits<_CharT> > 24 class _LIBCPP_TEMPLATE_VIS basic_ios; 25 26 using ios = basic_ios<char>; 27 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 28 using wios = basic_ios<wchar_t>; 29 #endif 30 31 template <class _CharT, class _Traits> 32 class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios; 33 34 #if defined(_NEWLIB_VERSION) 35 // On newlib, off_t is 'long int' 36 using streamoff = long int; // for char_traits in <string> 37 #else 38 using streamoff = long long; // for char_traits in <string> 39 #endif 40 41 _LIBCPP_END_NAMESPACE_STD 42 43 #endif // _LIBCPP___FWD_IOS_H 44