v1/__fwd/ios.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___FWD_IOS_H
0010 #define _LIBCPP___FWD_IOS_H
0011
0012 #include <__config>
0013 #include <__fwd/string.h>
0014
0015 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0016 #  pragma GCC system_header
0017 #endif
0018
0019 _LIBCPP_BEGIN_NAMESPACE_STD
0020
0021 class _LIBCPP_EXPORTED_FROM_ABI ios_base;
0022
0023 template <class _CharT, class _Traits = char_traits<_CharT> >
0024 class _LIBCPP_TEMPLATE_VIS basic_ios;
0025
0026 using ios = basic_ios<char>;
0027 #if _LIBCPP_HAS_WIDE_CHARACTERS
0028 using wios = basic_ios<wchar_t>;
0029 #endif
0030
0031 template <class _CharT, class _Traits>
0032 class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios;
0033
0034 #if defined(_NEWLIB_VERSION)
0035 // On newlib, off_t is 'long int'
0036 using streamoff = long int; // for char_traits in <string>
0037 #else
0038 using streamoff = long long; // for char_traits in <string>
0039 #endif
0040
0041 _LIBCPP_END_NAMESPACE_STD
0042
0043 #endif // _LIBCPP___FWD_IOS_H