| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___IOS_FPOS_H |
| #define _LIBCPP___IOS_FPOS_H |
| |
| #include <__config> |
| #include <iosfwd> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _StateT> |
| class _LIBCPP_TEMPLATE_VIS fpos { |
| private: |
| _StateT __st_; |
| streamoff __off_; |
| |
| public: |
| _LIBCPP_HIDE_FROM_ABI fpos(streamoff __off = streamoff()) : __st_(), __off_(__off) {} |
| |
| _LIBCPP_HIDE_FROM_ABI operator streamoff() const { return __off_; } |
| |
| _LIBCPP_HIDE_FROM_ABI _StateT state() const { return __st_; } |
| _LIBCPP_HIDE_FROM_ABI void state(_StateT __st) { __st_ = __st; } |
| |
| _LIBCPP_HIDE_FROM_ABI fpos& operator+=(streamoff __off) { |
| __off_ += __off; |
| return *this; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI fpos operator+(streamoff __off) const { |
| fpos __t(*this); |
| __t += __off; |
| return __t; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI fpos& operator-=(streamoff __off) { |
| __off_ -= __off; |
| return *this; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI fpos operator-(streamoff __off) const { |
| fpos __t(*this); |
| __t -= __off; |
| return __t; |
| } |
| }; |
| |
| template <class _StateT> |
| inline _LIBCPP_HIDE_FROM_ABI |
| streamoff operator-(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { |
| return streamoff(__x) - streamoff(__y); |
| } |
| |
| template <class _StateT> |
| inline _LIBCPP_HIDE_FROM_ABI |
| bool operator==(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { |
| return streamoff(__x) == streamoff(__y); |
| } |
| |
| template <class _StateT> |
| inline _LIBCPP_HIDE_FROM_ABI |
| bool operator!=(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { |
| return streamoff(__x) != streamoff(__y); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___IOS_FPOS_H |