181ad6265SDimitry Andric // -*- C++ -*- 281ad6265SDimitry Andric //===----------------------------------------------------------------------===// 381ad6265SDimitry Andric // 481ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 581ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 681ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 781ad6265SDimitry Andric // 881ad6265SDimitry Andric //===----------------------------------------------------------------------===// 981ad6265SDimitry Andric 1081ad6265SDimitry Andric #ifndef _LIBCPP___IOS_FPOS_H 1181ad6265SDimitry Andric #define _LIBCPP___IOS_FPOS_H 1281ad6265SDimitry Andric 1381ad6265SDimitry Andric #include <__config> 145f757f3fSDimitry Andric #include <__fwd/ios.h> 1581ad6265SDimitry Andric 1681ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1781ad6265SDimitry Andric # pragma GCC system_header 1881ad6265SDimitry Andric #endif 1981ad6265SDimitry Andric 2081ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2181ad6265SDimitry Andric 2281ad6265SDimitry Andric template <class _StateT> 2381ad6265SDimitry Andric class _LIBCPP_TEMPLATE_VIS fpos { 2481ad6265SDimitry Andric private: 2581ad6265SDimitry Andric _StateT __st_; 2681ad6265SDimitry Andric streamoff __off_; 2781ad6265SDimitry Andric 2881ad6265SDimitry Andric public: 2981ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI fpos(streamoff __off = streamoff()) : __st_(), __off_(__off) {} 3081ad6265SDimitry Andric 3181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI operator streamoff() const { return __off_; } 3281ad6265SDimitry Andric 3381ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI _StateT state() const { return __st_; } 3481ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI void state(_StateT __st) { __st_ = __st; } 3581ad6265SDimitry Andric 3681ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI fpos& operator+=(streamoff __off) { 3781ad6265SDimitry Andric __off_ += __off; 3881ad6265SDimitry Andric return *this; 3981ad6265SDimitry Andric } 4081ad6265SDimitry Andric 4181ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI fpos operator+(streamoff __off) const { 4281ad6265SDimitry Andric fpos __t(*this); 4381ad6265SDimitry Andric __t += __off; 4481ad6265SDimitry Andric return __t; 4581ad6265SDimitry Andric } 4681ad6265SDimitry Andric 4781ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI fpos& operator-=(streamoff __off) { 4881ad6265SDimitry Andric __off_ -= __off; 4981ad6265SDimitry Andric return *this; 5081ad6265SDimitry Andric } 5181ad6265SDimitry Andric 5281ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI fpos operator-(streamoff __off) const { 5381ad6265SDimitry Andric fpos __t(*this); 5481ad6265SDimitry Andric __t -= __off; 5581ad6265SDimitry Andric return __t; 5681ad6265SDimitry Andric } 5781ad6265SDimitry Andric }; 5881ad6265SDimitry Andric 5981ad6265SDimitry Andric template <class _StateT> 60*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI streamoff operator-(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { 6181ad6265SDimitry Andric return streamoff(__x) - streamoff(__y); 6281ad6265SDimitry Andric } 6381ad6265SDimitry Andric 6481ad6265SDimitry Andric template <class _StateT> 65*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI bool operator==(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { 6681ad6265SDimitry Andric return streamoff(__x) == streamoff(__y); 6781ad6265SDimitry Andric } 6881ad6265SDimitry Andric 6981ad6265SDimitry Andric template <class _StateT> 70*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const fpos<_StateT>& __x, const fpos<_StateT>& __y) { 7181ad6265SDimitry Andric return streamoff(__x) != streamoff(__y); 7281ad6265SDimitry Andric } 7381ad6265SDimitry Andric 7481ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 7581ad6265SDimitry Andric 7681ad6265SDimitry Andric #endif // _LIBCPP___IOS_FPOS_H 77