1227825Stheraven// -*- C++ -*- 2227825Stheraven//===------------------------- fstream ------------------------------------===// 3227825Stheraven// 4227825Stheraven// The LLVM Compiler Infrastructure 5227825Stheraven// 6227825Stheraven// This file is dual licensed under the MIT and the University of Illinois Open 7227825Stheraven// Source Licenses. See LICENSE.TXT for details. 8227825Stheraven// 9227825Stheraven//===----------------------------------------------------------------------===// 10227825Stheraven 11227825Stheraven#ifndef _LIBCPP_FSTREAM 12227825Stheraven#define _LIBCPP_FSTREAM 13227825Stheraven 14227825Stheraven/* 15227825Stheraven fstream synopsis 16227825Stheraven 17227825Stheraventemplate <class charT, class traits = char_traits<charT> > 18227825Stheravenclass basic_filebuf 19227825Stheraven : public basic_streambuf<charT, traits> 20227825Stheraven{ 21227825Stheravenpublic: 22227825Stheraven typedef charT char_type; 23227825Stheraven typedef traits traits_type; 24227825Stheraven typedef typename traits_type::int_type int_type; 25227825Stheraven typedef typename traits_type::pos_type pos_type; 26227825Stheraven typedef typename traits_type::off_type off_type; 27227825Stheraven 28227825Stheraven // 27.9.1.2 Constructors/destructor: 29227825Stheraven basic_filebuf(); 30227825Stheraven basic_filebuf(basic_filebuf&& rhs); 31227825Stheraven virtual ~basic_filebuf(); 32227825Stheraven 33227825Stheraven // 27.9.1.3 Assign/swap: 34227825Stheraven basic_filebuf& operator=(basic_filebuf&& rhs); 35227825Stheraven void swap(basic_filebuf& rhs); 36227825Stheraven 37227825Stheraven // 27.9.1.4 Members: 38227825Stheraven bool is_open() const; 39227825Stheraven basic_filebuf* open(const char* s, ios_base::openmode mode); 40227825Stheraven basic_filebuf* open(const string& s, ios_base::openmode mode); 41227825Stheraven basic_filebuf* close(); 42227825Stheraven 43227825Stheravenprotected: 44227825Stheraven // 27.9.1.5 Overridden virtual functions: 45227825Stheraven virtual streamsize showmanyc(); 46227825Stheraven virtual int_type underflow(); 47227825Stheraven virtual int_type uflow(); 48227825Stheraven virtual int_type pbackfail(int_type c = traits_type::eof()); 49227825Stheraven virtual int_type overflow (int_type c = traits_type::eof()); 50227825Stheraven virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* s, streamsize n); 51227825Stheraven virtual pos_type seekoff(off_type off, ios_base::seekdir way, 52227825Stheraven ios_base::openmode which = ios_base::in | ios_base::out); 53227825Stheraven virtual pos_type seekpos(pos_type sp, 54227825Stheraven ios_base::openmode which = ios_base::in | ios_base::out); 55227825Stheraven virtual int sync(); 56227825Stheraven virtual void imbue(const locale& loc); 57227825Stheraven}; 58227825Stheraven 59227825Stheraventemplate <class charT, class traits> 60227825Stheraven void 61227825Stheraven swap(basic_filebuf<charT, traits>& x, basic_filebuf<charT, traits>& y); 62227825Stheraven 63227825Stheraventypedef basic_filebuf<char> filebuf; 64227825Stheraventypedef basic_filebuf<wchar_t> wfilebuf; 65227825Stheraven 66227825Stheraventemplate <class charT, class traits = char_traits<charT> > 67227825Stheravenclass basic_ifstream 68227825Stheraven : public basic_istream<charT,traits> 69227825Stheraven{ 70227825Stheravenpublic: 71227825Stheraven typedef charT char_type; 72227825Stheraven typedef traits traits_type; 73227825Stheraven typedef typename traits_type::int_type int_type; 74227825Stheraven typedef typename traits_type::pos_type pos_type; 75227825Stheraven typedef typename traits_type::off_type off_type; 76227825Stheraven 77227825Stheraven basic_ifstream(); 78227825Stheraven explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in); 79227825Stheraven explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in); 80227825Stheraven basic_ifstream(basic_ifstream&& rhs); 81227825Stheraven 82227825Stheraven basic_ifstream& operator=(basic_ifstream&& rhs); 83227825Stheraven void swap(basic_ifstream& rhs); 84227825Stheraven 85227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 86227825Stheraven bool is_open() const; 87227825Stheraven void open(const char* s, ios_base::openmode mode = ios_base::in); 88227825Stheraven void open(const string& s, ios_base::openmode mode = ios_base::in); 89227825Stheraven void close(); 90227825Stheraven}; 91227825Stheraven 92227825Stheraventemplate <class charT, class traits> 93227825Stheraven void 94227825Stheraven swap(basic_ifstream<charT, traits>& x, basic_ifstream<charT, traits>& y); 95227825Stheraven 96227825Stheraventypedef basic_ifstream<char> ifstream; 97227825Stheraventypedef basic_ifstream<wchar_t> wifstream; 98227825Stheraven 99227825Stheraventemplate <class charT, class traits = char_traits<charT> > 100227825Stheravenclass basic_ofstream 101227825Stheraven : public basic_ostream<charT,traits> 102227825Stheraven{ 103227825Stheravenpublic: 104227825Stheraven typedef charT char_type; 105227825Stheraven typedef traits traits_type; 106227825Stheraven typedef typename traits_type::int_type int_type; 107227825Stheraven typedef typename traits_type::pos_type pos_type; 108227825Stheraven typedef typename traits_type::off_type off_type; 109227825Stheraven 110227825Stheraven basic_ofstream(); 111227825Stheraven explicit basic_ofstream(const char* s, ios_base::openmode mode = ios_base::out); 112227825Stheraven explicit basic_ofstream(const string& s, ios_base::openmode mode = ios_base::out); 113227825Stheraven basic_ofstream(basic_ofstream&& rhs); 114227825Stheraven 115227825Stheraven basic_ofstream& operator=(basic_ofstream&& rhs); 116227825Stheraven void swap(basic_ofstream& rhs); 117227825Stheraven 118227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 119227825Stheraven bool is_open() const; 120227825Stheraven void open(const char* s, ios_base::openmode mode = ios_base::out); 121227825Stheraven void open(const string& s, ios_base::openmode mode = ios_base::out); 122227825Stheraven void close(); 123227825Stheraven}; 124227825Stheraven 125227825Stheraventemplate <class charT, class traits> 126227825Stheraven void 127227825Stheraven swap(basic_ofstream<charT, traits>& x, basic_ofstream<charT, traits>& y); 128227825Stheraven 129227825Stheraventypedef basic_ofstream<char> ofstream; 130227825Stheraventypedef basic_ofstream<wchar_t> wofstream; 131227825Stheraven 132227825Stheraventemplate <class charT, class traits=char_traits<charT> > 133227825Stheravenclass basic_fstream 134227825Stheraven : public basic_iostream<charT,traits> 135227825Stheraven{ 136227825Stheravenpublic: 137227825Stheraven typedef charT char_type; 138227825Stheraven typedef traits traits_type; 139227825Stheraven typedef typename traits_type::int_type int_type; 140227825Stheraven typedef typename traits_type::pos_type pos_type; 141227825Stheraven typedef typename traits_type::off_type off_type; 142227825Stheraven 143227825Stheraven basic_fstream(); 144227825Stheraven explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out); 145227825Stheraven explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); 146227825Stheraven basic_fstream(basic_fstream&& rhs); 147227825Stheraven 148227825Stheraven basic_fstream& operator=(basic_fstream&& rhs); 149227825Stheraven void swap(basic_fstream& rhs); 150227825Stheraven 151227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 152227825Stheraven bool is_open() const; 153227825Stheraven void open(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out); 154227825Stheraven void open(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); 155227825Stheraven void close(); 156227825Stheraven}; 157227825Stheraven 158227825Stheraventemplate <class charT, class traits> 159227825Stheraven void swap(basic_fstream<charT, traits>& x, basic_fstream<charT, traits>& y); 160227825Stheraven 161227825Stheraventypedef basic_fstream<char> fstream; 162227825Stheraventypedef basic_fstream<wchar_t> wfstream; 163227825Stheraven 164227825Stheraven} // std 165227825Stheraven 166227825Stheraven*/ 167227825Stheraven 168227825Stheraven#include <__config> 169227825Stheraven#include <ostream> 170227825Stheraven#include <istream> 171227825Stheraven#include <__locale> 172227825Stheraven#include <cstdio> 173227825Stheraven 174232924Stheraven#include <__undef_min_max> 175232924Stheraven 176227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 177227825Stheraven#pragma GCC system_header 178227825Stheraven#endif 179227825Stheraven 180227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 181227825Stheraven 182227825Stheraventemplate <class _CharT, class _Traits> 183261272Sdimclass _LIBCPP_TYPE_VIS_ONLY basic_filebuf 184227825Stheraven : public basic_streambuf<_CharT, _Traits> 185227825Stheraven{ 186227825Stheravenpublic: 187227825Stheraven typedef _CharT char_type; 188227825Stheraven typedef _Traits traits_type; 189227825Stheraven typedef typename traits_type::int_type int_type; 190227825Stheraven typedef typename traits_type::pos_type pos_type; 191227825Stheraven typedef typename traits_type::off_type off_type; 192227825Stheraven typedef typename traits_type::state_type state_type; 193227825Stheraven 194227825Stheraven // 27.9.1.2 Constructors/destructor: 195227825Stheraven basic_filebuf(); 196227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 197227825Stheraven basic_filebuf(basic_filebuf&& __rhs); 198227825Stheraven#endif 199227825Stheraven virtual ~basic_filebuf(); 200227825Stheraven 201227825Stheraven // 27.9.1.3 Assign/swap: 202227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 203227825Stheraven basic_filebuf& operator=(basic_filebuf&& __rhs); 204227825Stheraven#endif 205227825Stheraven void swap(basic_filebuf& __rhs); 206227825Stheraven 207227825Stheraven // 27.9.1.4 Members: 208227825Stheraven bool is_open() const; 209288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 210227825Stheraven basic_filebuf* open(const char* __s, ios_base::openmode __mode); 211227825Stheraven basic_filebuf* open(const string& __s, ios_base::openmode __mode); 212288943Sdim#endif 213227825Stheraven basic_filebuf* close(); 214227825Stheraven 215227825Stheravenprotected: 216227825Stheraven // 27.9.1.5 Overridden virtual functions: 217227825Stheraven virtual int_type underflow(); 218227825Stheraven virtual int_type pbackfail(int_type __c = traits_type::eof()); 219227825Stheraven virtual int_type overflow (int_type __c = traits_type::eof()); 220227825Stheraven virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, streamsize __n); 221227825Stheraven virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 222227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 223227825Stheraven virtual pos_type seekpos(pos_type __sp, 224227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 225227825Stheraven virtual int sync(); 226227825Stheraven virtual void imbue(const locale& __loc); 227227825Stheraven 228227825Stheravenprivate: 229227825Stheraven char* __extbuf_; 230227825Stheraven const char* __extbufnext_; 231227825Stheraven const char* __extbufend_; 232227825Stheraven char __extbuf_min_[8]; 233227825Stheraven size_t __ebs_; 234227825Stheraven char_type* __intbuf_; 235227825Stheraven size_t __ibs_; 236227825Stheraven FILE* __file_; 237227825Stheraven const codecvt<char_type, char, state_type>* __cv_; 238227825Stheraven state_type __st_; 239241900Sdim state_type __st_last_; 240227825Stheraven ios_base::openmode __om_; 241227825Stheraven ios_base::openmode __cm_; 242227825Stheraven bool __owns_eb_; 243227825Stheraven bool __owns_ib_; 244227825Stheraven bool __always_noconv_; 245227825Stheraven 246227825Stheraven bool __read_mode(); 247227825Stheraven void __write_mode(); 248227825Stheraven}; 249227825Stheraven 250227825Stheraventemplate <class _CharT, class _Traits> 251227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf() 252227825Stheraven : __extbuf_(0), 253227825Stheraven __extbufnext_(0), 254227825Stheraven __extbufend_(0), 255227825Stheraven __ebs_(0), 256227825Stheraven __intbuf_(0), 257227825Stheraven __ibs_(0), 258227825Stheraven __file_(0), 259241900Sdim __cv_(nullptr), 260227825Stheraven __st_(), 261241900Sdim __st_last_(), 262227825Stheraven __om_(0), 263227825Stheraven __cm_(0), 264227825Stheraven __owns_eb_(false), 265227825Stheraven __owns_ib_(false), 266241900Sdim __always_noconv_(false) 267227825Stheraven{ 268241900Sdim if (has_facet<codecvt<char_type, char, state_type> >(this->getloc())) 269241900Sdim { 270241900Sdim __cv_ = &use_facet<codecvt<char_type, char, state_type> >(this->getloc()); 271241900Sdim __always_noconv_ = __cv_->always_noconv(); 272241900Sdim } 273227825Stheraven setbuf(0, 4096); 274227825Stheraven} 275227825Stheraven 276227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 277227825Stheraven 278227825Stheraventemplate <class _CharT, class _Traits> 279227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf(basic_filebuf&& __rhs) 280227825Stheraven : basic_streambuf<_CharT, _Traits>(__rhs) 281227825Stheraven{ 282227825Stheraven if (__rhs.__extbuf_ == __rhs.__extbuf_min_) 283227825Stheraven { 284227825Stheraven __extbuf_ = __extbuf_min_; 285227825Stheraven __extbufnext_ = __extbuf_ + (__rhs.__extbufnext_ - __rhs.__extbuf_); 286227825Stheraven __extbufend_ = __extbuf_ + (__rhs.__extbufend_ - __rhs.__extbuf_); 287227825Stheraven } 288227825Stheraven else 289227825Stheraven { 290227825Stheraven __extbuf_ = __rhs.__extbuf_; 291227825Stheraven __extbufnext_ = __rhs.__extbufnext_; 292227825Stheraven __extbufend_ = __rhs.__extbufend_; 293227825Stheraven } 294227825Stheraven __ebs_ = __rhs.__ebs_; 295227825Stheraven __intbuf_ = __rhs.__intbuf_; 296227825Stheraven __ibs_ = __rhs.__ibs_; 297227825Stheraven __file_ = __rhs.__file_; 298227825Stheraven __cv_ = __rhs.__cv_; 299227825Stheraven __st_ = __rhs.__st_; 300241900Sdim __st_last_ = __rhs.__st_last_; 301227825Stheraven __om_ = __rhs.__om_; 302227825Stheraven __cm_ = __rhs.__cm_; 303227825Stheraven __owns_eb_ = __rhs.__owns_eb_; 304227825Stheraven __owns_ib_ = __rhs.__owns_ib_; 305227825Stheraven __always_noconv_ = __rhs.__always_noconv_; 306227825Stheraven if (__rhs.pbase()) 307227825Stheraven { 308227825Stheraven if (__rhs.pbase() == __rhs.__intbuf_) 309227825Stheraven this->setp(__intbuf_, __intbuf_ + (__rhs. epptr() - __rhs.pbase())); 310227825Stheraven else 311227825Stheraven this->setp((char_type*)__extbuf_, 312227825Stheraven (char_type*)__extbuf_ + (__rhs. epptr() - __rhs.pbase())); 313227825Stheraven this->pbump(__rhs. pptr() - __rhs.pbase()); 314227825Stheraven } 315227825Stheraven else if (__rhs.eback()) 316227825Stheraven { 317227825Stheraven if (__rhs.eback() == __rhs.__intbuf_) 318227825Stheraven this->setg(__intbuf_, __intbuf_ + (__rhs.gptr() - __rhs.eback()), 319227825Stheraven __intbuf_ + (__rhs.egptr() - __rhs.eback())); 320227825Stheraven else 321227825Stheraven this->setg((char_type*)__extbuf_, 322227825Stheraven (char_type*)__extbuf_ + (__rhs.gptr() - __rhs.eback()), 323227825Stheraven (char_type*)__extbuf_ + (__rhs.egptr() - __rhs.eback())); 324227825Stheraven } 325227825Stheraven __rhs.__extbuf_ = 0; 326227825Stheraven __rhs.__extbufnext_ = 0; 327227825Stheraven __rhs.__extbufend_ = 0; 328227825Stheraven __rhs.__ebs_ = 0; 329227825Stheraven __rhs.__intbuf_ = 0; 330227825Stheraven __rhs.__ibs_ = 0; 331227825Stheraven __rhs.__file_ = 0; 332227825Stheraven __rhs.__st_ = state_type(); 333241900Sdim __rhs.__st_last_ = state_type(); 334227825Stheraven __rhs.__om_ = 0; 335227825Stheraven __rhs.__cm_ = 0; 336227825Stheraven __rhs.__owns_eb_ = false; 337227825Stheraven __rhs.__owns_ib_ = false; 338227825Stheraven __rhs.setg(0, 0, 0); 339227825Stheraven __rhs.setp(0, 0); 340227825Stheraven} 341227825Stheraven 342227825Stheraventemplate <class _CharT, class _Traits> 343227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 344227825Stheravenbasic_filebuf<_CharT, _Traits>& 345227825Stheravenbasic_filebuf<_CharT, _Traits>::operator=(basic_filebuf&& __rhs) 346227825Stheraven{ 347227825Stheraven close(); 348227825Stheraven swap(__rhs); 349241900Sdim return *this; 350227825Stheraven} 351227825Stheraven 352227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 353227825Stheraven 354227825Stheraventemplate <class _CharT, class _Traits> 355227825Stheravenbasic_filebuf<_CharT, _Traits>::~basic_filebuf() 356227825Stheraven{ 357227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 358227825Stheraven try 359227825Stheraven { 360227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 361227825Stheraven close(); 362227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 363227825Stheraven } 364227825Stheraven catch (...) 365227825Stheraven { 366227825Stheraven } 367227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 368227825Stheraven if (__owns_eb_) 369227825Stheraven delete [] __extbuf_; 370227825Stheraven if (__owns_ib_) 371227825Stheraven delete [] __intbuf_; 372227825Stheraven} 373227825Stheraven 374227825Stheraventemplate <class _CharT, class _Traits> 375227825Stheravenvoid 376227825Stheravenbasic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs) 377227825Stheraven{ 378227825Stheraven basic_streambuf<char_type, traits_type>::swap(__rhs); 379227825Stheraven if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 380227825Stheraven { 381227825Stheraven _VSTD::swap(__extbuf_, __rhs.__extbuf_); 382227825Stheraven _VSTD::swap(__extbufnext_, __rhs.__extbufnext_); 383227825Stheraven _VSTD::swap(__extbufend_, __rhs.__extbufend_); 384227825Stheraven } 385227825Stheraven else 386227825Stheraven { 387227825Stheraven ptrdiff_t __ln = __extbufnext_ - __extbuf_; 388227825Stheraven ptrdiff_t __le = __extbufend_ - __extbuf_; 389227825Stheraven ptrdiff_t __rn = __rhs.__extbufnext_ - __rhs.__extbuf_; 390227825Stheraven ptrdiff_t __re = __rhs.__extbufend_ - __rhs.__extbuf_; 391227825Stheraven if (__extbuf_ == __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 392227825Stheraven { 393227825Stheraven __extbuf_ = __rhs.__extbuf_; 394227825Stheraven __rhs.__extbuf_ = __rhs.__extbuf_min_; 395227825Stheraven } 396227825Stheraven else if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ == __rhs.__extbuf_min_) 397227825Stheraven { 398227825Stheraven __rhs.__extbuf_ = __extbuf_; 399227825Stheraven __extbuf_ = __extbuf_min_; 400227825Stheraven } 401227825Stheraven __extbufnext_ = __extbuf_ + __rn; 402227825Stheraven __extbufend_ = __extbuf_ + __re; 403227825Stheraven __rhs.__extbufnext_ = __rhs.__extbuf_ + __ln; 404227825Stheraven __rhs.__extbufend_ = __rhs.__extbuf_ + __le; 405227825Stheraven } 406227825Stheraven _VSTD::swap(__ebs_, __rhs.__ebs_); 407227825Stheraven _VSTD::swap(__intbuf_, __rhs.__intbuf_); 408227825Stheraven _VSTD::swap(__ibs_, __rhs.__ibs_); 409227825Stheraven _VSTD::swap(__file_, __rhs.__file_); 410227825Stheraven _VSTD::swap(__cv_, __rhs.__cv_); 411227825Stheraven _VSTD::swap(__st_, __rhs.__st_); 412241900Sdim _VSTD::swap(__st_last_, __rhs.__st_last_); 413227825Stheraven _VSTD::swap(__om_, __rhs.__om_); 414227825Stheraven _VSTD::swap(__cm_, __rhs.__cm_); 415227825Stheraven _VSTD::swap(__owns_eb_, __rhs.__owns_eb_); 416227825Stheraven _VSTD::swap(__owns_ib_, __rhs.__owns_ib_); 417227825Stheraven _VSTD::swap(__always_noconv_, __rhs.__always_noconv_); 418227825Stheraven if (this->eback() == (char_type*)__rhs.__extbuf_min_) 419227825Stheraven { 420227825Stheraven ptrdiff_t __n = this->gptr() - this->eback(); 421227825Stheraven ptrdiff_t __e = this->egptr() - this->eback(); 422227825Stheraven this->setg((char_type*)__extbuf_min_, 423227825Stheraven (char_type*)__extbuf_min_ + __n, 424227825Stheraven (char_type*)__extbuf_min_ + __e); 425227825Stheraven } 426227825Stheraven else if (this->pbase() == (char_type*)__rhs.__extbuf_min_) 427227825Stheraven { 428227825Stheraven ptrdiff_t __n = this->pptr() - this->pbase(); 429227825Stheraven ptrdiff_t __e = this->epptr() - this->pbase(); 430227825Stheraven this->setp((char_type*)__extbuf_min_, 431227825Stheraven (char_type*)__extbuf_min_ + __e); 432227825Stheraven this->pbump(__n); 433227825Stheraven } 434227825Stheraven if (__rhs.eback() == (char_type*)__extbuf_min_) 435227825Stheraven { 436227825Stheraven ptrdiff_t __n = __rhs.gptr() - __rhs.eback(); 437227825Stheraven ptrdiff_t __e = __rhs.egptr() - __rhs.eback(); 438227825Stheraven __rhs.setg((char_type*)__rhs.__extbuf_min_, 439227825Stheraven (char_type*)__rhs.__extbuf_min_ + __n, 440227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 441227825Stheraven } 442227825Stheraven else if (__rhs.pbase() == (char_type*)__extbuf_min_) 443227825Stheraven { 444227825Stheraven ptrdiff_t __n = __rhs.pptr() - __rhs.pbase(); 445227825Stheraven ptrdiff_t __e = __rhs.epptr() - __rhs.pbase(); 446227825Stheraven __rhs.setp((char_type*)__rhs.__extbuf_min_, 447227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 448227825Stheraven __rhs.pbump(__n); 449227825Stheraven } 450227825Stheraven} 451227825Stheraven 452227825Stheraventemplate <class _CharT, class _Traits> 453227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 454227825Stheravenvoid 455227825Stheravenswap(basic_filebuf<_CharT, _Traits>& __x, basic_filebuf<_CharT, _Traits>& __y) 456227825Stheraven{ 457227825Stheraven __x.swap(__y); 458227825Stheraven} 459227825Stheraven 460227825Stheraventemplate <class _CharT, class _Traits> 461227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 462227825Stheravenbool 463227825Stheravenbasic_filebuf<_CharT, _Traits>::is_open() const 464227825Stheraven{ 465227825Stheraven return __file_ != 0; 466227825Stheraven} 467227825Stheraven 468288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 469227825Stheraventemplate <class _CharT, class _Traits> 470227825Stheravenbasic_filebuf<_CharT, _Traits>* 471227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 472227825Stheraven{ 473227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 474227825Stheraven if (__file_ == 0) 475227825Stheraven { 476227825Stheraven __rt = this; 477227825Stheraven const char* __mdstr; 478227825Stheraven switch (__mode & ~ios_base::ate) 479227825Stheraven { 480227825Stheraven case ios_base::out: 481227825Stheraven case ios_base::out | ios_base::trunc: 482227825Stheraven __mdstr = "w"; 483227825Stheraven break; 484227825Stheraven case ios_base::out | ios_base::app: 485227825Stheraven case ios_base::app: 486227825Stheraven __mdstr = "a"; 487227825Stheraven break; 488227825Stheraven case ios_base::in: 489227825Stheraven __mdstr = "r"; 490227825Stheraven break; 491227825Stheraven case ios_base::in | ios_base::out: 492227825Stheraven __mdstr = "r+"; 493227825Stheraven break; 494227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc: 495227825Stheraven __mdstr = "w+"; 496227825Stheraven break; 497227825Stheraven case ios_base::in | ios_base::out | ios_base::app: 498227825Stheraven case ios_base::in | ios_base::app: 499227825Stheraven __mdstr = "a+"; 500227825Stheraven break; 501227825Stheraven case ios_base::out | ios_base::binary: 502227825Stheraven case ios_base::out | ios_base::trunc | ios_base::binary: 503227825Stheraven __mdstr = "wb"; 504227825Stheraven break; 505227825Stheraven case ios_base::out | ios_base::app | ios_base::binary: 506227825Stheraven case ios_base::app | ios_base::binary: 507227825Stheraven __mdstr = "ab"; 508227825Stheraven break; 509227825Stheraven case ios_base::in | ios_base::binary: 510227825Stheraven __mdstr = "rb"; 511227825Stheraven break; 512227825Stheraven case ios_base::in | ios_base::out | ios_base::binary: 513227825Stheraven __mdstr = "r+b"; 514227825Stheraven break; 515227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary: 516227825Stheraven __mdstr = "w+b"; 517227825Stheraven break; 518227825Stheraven case ios_base::in | ios_base::out | ios_base::app | ios_base::binary: 519227825Stheraven case ios_base::in | ios_base::app | ios_base::binary: 520227825Stheraven __mdstr = "a+b"; 521227825Stheraven break; 522227825Stheraven default: 523227825Stheraven __rt = 0; 524227825Stheraven break; 525227825Stheraven } 526227825Stheraven if (__rt) 527227825Stheraven { 528227825Stheraven __file_ = fopen(__s, __mdstr); 529227825Stheraven if (__file_) 530227825Stheraven { 531227825Stheraven __om_ = __mode; 532227825Stheraven if (__mode & ios_base::ate) 533227825Stheraven { 534227825Stheraven if (fseek(__file_, 0, SEEK_END)) 535227825Stheraven { 536227825Stheraven fclose(__file_); 537227825Stheraven __file_ = 0; 538227825Stheraven __rt = 0; 539227825Stheraven } 540227825Stheraven } 541227825Stheraven } 542227825Stheraven else 543227825Stheraven __rt = 0; 544227825Stheraven } 545227825Stheraven } 546227825Stheraven return __rt; 547227825Stheraven} 548227825Stheraven 549227825Stheraventemplate <class _CharT, class _Traits> 550227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 551227825Stheravenbasic_filebuf<_CharT, _Traits>* 552227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 553227825Stheraven{ 554227825Stheraven return open(__s.c_str(), __mode); 555227825Stheraven} 556288943Sdim#endif 557227825Stheraven 558227825Stheraventemplate <class _CharT, class _Traits> 559227825Stheravenbasic_filebuf<_CharT, _Traits>* 560227825Stheravenbasic_filebuf<_CharT, _Traits>::close() 561227825Stheraven{ 562227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 563227825Stheraven if (__file_) 564227825Stheraven { 565227825Stheraven __rt = this; 566227825Stheraven unique_ptr<FILE, int(*)(FILE*)> __h(__file_, fclose); 567232924Stheraven if (sync()) 568227825Stheraven __rt = 0; 569227825Stheraven if (fclose(__h.release()) == 0) 570227825Stheraven __file_ = 0; 571227825Stheraven else 572227825Stheraven __rt = 0; 573227825Stheraven } 574227825Stheraven return __rt; 575227825Stheraven} 576227825Stheraven 577227825Stheraventemplate <class _CharT, class _Traits> 578227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 579227825Stheravenbasic_filebuf<_CharT, _Traits>::underflow() 580227825Stheraven{ 581227825Stheraven if (__file_ == 0) 582227825Stheraven return traits_type::eof(); 583227825Stheraven bool __initial = __read_mode(); 584227825Stheraven char_type __1buf; 585227825Stheraven if (this->gptr() == 0) 586227825Stheraven this->setg(&__1buf, &__1buf+1, &__1buf+1); 587227825Stheraven const size_t __unget_sz = __initial ? 0 : min<size_t>((this->egptr() - this->eback()) / 2, 4); 588227825Stheraven int_type __c = traits_type::eof(); 589227825Stheraven if (this->gptr() == this->egptr()) 590227825Stheraven { 591227825Stheraven memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 592227825Stheraven if (__always_noconv_) 593227825Stheraven { 594227825Stheraven size_t __nmemb = static_cast<size_t>(this->egptr() - this->eback() - __unget_sz); 595227825Stheraven __nmemb = fread(this->eback() + __unget_sz, 1, __nmemb, __file_); 596227825Stheraven if (__nmemb != 0) 597227825Stheraven { 598227825Stheraven this->setg(this->eback(), 599227825Stheraven this->eback() + __unget_sz, 600227825Stheraven this->eback() + __unget_sz + __nmemb); 601227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 602227825Stheraven } 603227825Stheraven } 604227825Stheraven else 605227825Stheraven { 606227825Stheraven memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 607227825Stheraven __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 608227825Stheraven __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 609241900Sdim size_t __nmemb = _VSTD::min(static_cast<size_t>(__ibs_ - __unget_sz), 610227825Stheraven static_cast<size_t>(__extbufend_ - __extbufnext_)); 611227825Stheraven codecvt_base::result __r; 612241900Sdim __st_last_ = __st_; 613227825Stheraven size_t __nr = fread((void*)__extbufnext_, 1, __nmemb, __file_); 614227825Stheraven if (__nr != 0) 615227825Stheraven { 616241900Sdim#ifndef _LIBCPP_NO_EXCEPTIONS 617241900Sdim if (!__cv_) 618241900Sdim throw bad_cast(); 619241900Sdim#endif 620227825Stheraven __extbufend_ = __extbufnext_ + __nr; 621227825Stheraven char_type* __inext; 622227825Stheraven __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 623227825Stheraven this->eback() + __unget_sz, 624241900Sdim this->eback() + __ibs_, __inext); 625227825Stheraven if (__r == codecvt_base::noconv) 626227825Stheraven { 627227825Stheraven this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, (char_type*)__extbufend_); 628227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 629227825Stheraven } 630227825Stheraven else if (__inext != this->eback() + __unget_sz) 631227825Stheraven { 632227825Stheraven this->setg(this->eback(), this->eback() + __unget_sz, __inext); 633227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 634227825Stheraven } 635227825Stheraven } 636227825Stheraven } 637227825Stheraven } 638227825Stheraven else 639227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 640227825Stheraven if (this->eback() == &__1buf) 641227825Stheraven this->setg(0, 0, 0); 642227825Stheraven return __c; 643227825Stheraven} 644227825Stheraven 645227825Stheraventemplate <class _CharT, class _Traits> 646227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 647227825Stheravenbasic_filebuf<_CharT, _Traits>::pbackfail(int_type __c) 648227825Stheraven{ 649227825Stheraven if (__file_ && this->eback() < this->gptr()) 650227825Stheraven { 651227825Stheraven if (traits_type::eq_int_type(__c, traits_type::eof())) 652227825Stheraven { 653227825Stheraven this->gbump(-1); 654227825Stheraven return traits_type::not_eof(__c); 655227825Stheraven } 656227825Stheraven if ((__om_ & ios_base::out) || 657227825Stheraven traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 658227825Stheraven { 659227825Stheraven this->gbump(-1); 660227825Stheraven *this->gptr() = traits_type::to_char_type(__c); 661227825Stheraven return __c; 662227825Stheraven } 663227825Stheraven } 664227825Stheraven return traits_type::eof(); 665227825Stheraven} 666227825Stheraven 667227825Stheraventemplate <class _CharT, class _Traits> 668227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 669227825Stheravenbasic_filebuf<_CharT, _Traits>::overflow(int_type __c) 670227825Stheraven{ 671227825Stheraven if (__file_ == 0) 672227825Stheraven return traits_type::eof(); 673227825Stheraven __write_mode(); 674227825Stheraven char_type __1buf; 675227825Stheraven char_type* __pb_save = this->pbase(); 676227825Stheraven char_type* __epb_save = this->epptr(); 677227825Stheraven if (!traits_type::eq_int_type(__c, traits_type::eof())) 678227825Stheraven { 679227825Stheraven if (this->pptr() == 0) 680227825Stheraven this->setp(&__1buf, &__1buf+1); 681227825Stheraven *this->pptr() = traits_type::to_char_type(__c); 682227825Stheraven this->pbump(1); 683227825Stheraven } 684227825Stheraven if (this->pptr() != this->pbase()) 685227825Stheraven { 686227825Stheraven if (__always_noconv_) 687227825Stheraven { 688227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 689227825Stheraven if (fwrite(this->pbase(), sizeof(char_type), __nmemb, __file_) != __nmemb) 690227825Stheraven return traits_type::eof(); 691227825Stheraven } 692227825Stheraven else 693227825Stheraven { 694227825Stheraven char* __extbe = __extbuf_; 695227825Stheraven codecvt_base::result __r; 696227825Stheraven do 697227825Stheraven { 698241900Sdim#ifndef _LIBCPP_NO_EXCEPTIONS 699241900Sdim if (!__cv_) 700241900Sdim throw bad_cast(); 701241900Sdim#endif 702227825Stheraven const char_type* __e; 703227825Stheraven __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 704227825Stheraven __extbuf_, __extbuf_ + __ebs_, __extbe); 705227825Stheraven if (__e == this->pbase()) 706227825Stheraven return traits_type::eof(); 707227825Stheraven if (__r == codecvt_base::noconv) 708227825Stheraven { 709227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 710227825Stheraven if (fwrite(this->pbase(), 1, __nmemb, __file_) != __nmemb) 711227825Stheraven return traits_type::eof(); 712227825Stheraven } 713227825Stheraven else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 714227825Stheraven { 715227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 716227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 717227825Stheraven return traits_type::eof(); 718227825Stheraven if (__r == codecvt_base::partial) 719227825Stheraven { 720227825Stheraven this->setp((char_type*)__e, this->pptr()); 721227825Stheraven this->pbump(this->epptr() - this->pbase()); 722227825Stheraven } 723227825Stheraven } 724227825Stheraven else 725227825Stheraven return traits_type::eof(); 726227825Stheraven } while (__r == codecvt_base::partial); 727227825Stheraven } 728227825Stheraven this->setp(__pb_save, __epb_save); 729227825Stheraven } 730227825Stheraven return traits_type::not_eof(__c); 731227825Stheraven} 732227825Stheraven 733227825Stheraventemplate <class _CharT, class _Traits> 734227825Stheravenbasic_streambuf<_CharT, _Traits>* 735227825Stheravenbasic_filebuf<_CharT, _Traits>::setbuf(char_type* __s, streamsize __n) 736227825Stheraven{ 737227825Stheraven this->setg(0, 0, 0); 738227825Stheraven this->setp(0, 0); 739227825Stheraven if (__owns_eb_) 740227825Stheraven delete [] __extbuf_; 741227825Stheraven if (__owns_ib_) 742227825Stheraven delete [] __intbuf_; 743227825Stheraven __ebs_ = __n; 744227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 745227825Stheraven { 746227825Stheraven if (__always_noconv_ && __s) 747227825Stheraven { 748227825Stheraven __extbuf_ = (char*)__s; 749227825Stheraven __owns_eb_ = false; 750227825Stheraven } 751227825Stheraven else 752227825Stheraven { 753227825Stheraven __extbuf_ = new char[__ebs_]; 754227825Stheraven __owns_eb_ = true; 755227825Stheraven } 756227825Stheraven } 757227825Stheraven else 758227825Stheraven { 759227825Stheraven __extbuf_ = __extbuf_min_; 760227825Stheraven __ebs_ = sizeof(__extbuf_min_); 761227825Stheraven __owns_eb_ = false; 762227825Stheraven } 763227825Stheraven if (!__always_noconv_) 764227825Stheraven { 765227825Stheraven __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 766227825Stheraven if (__s && __ibs_ >= sizeof(__extbuf_min_)) 767227825Stheraven { 768227825Stheraven __intbuf_ = __s; 769227825Stheraven __owns_ib_ = false; 770227825Stheraven } 771227825Stheraven else 772227825Stheraven { 773227825Stheraven __intbuf_ = new char_type[__ibs_]; 774227825Stheraven __owns_ib_ = true; 775227825Stheraven } 776227825Stheraven } 777227825Stheraven else 778227825Stheraven { 779227825Stheraven __ibs_ = 0; 780227825Stheraven __intbuf_ = 0; 781227825Stheraven __owns_ib_ = false; 782227825Stheraven } 783227825Stheraven return this; 784227825Stheraven} 785227825Stheraven 786227825Stheraventemplate <class _CharT, class _Traits> 787227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 788227825Stheravenbasic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way, 789227825Stheraven ios_base::openmode) 790227825Stheraven{ 791241900Sdim#ifndef _LIBCPP_NO_EXCEPTIONS 792241900Sdim if (!__cv_) 793241900Sdim throw bad_cast(); 794241900Sdim#endif 795227825Stheraven int __width = __cv_->encoding(); 796227825Stheraven if (__file_ == 0 || (__width <= 0 && __off != 0) || sync()) 797227825Stheraven return pos_type(off_type(-1)); 798227825Stheraven // __width > 0 || __off == 0 799227825Stheraven int __whence; 800227825Stheraven switch (__way) 801227825Stheraven { 802227825Stheraven case ios_base::beg: 803227825Stheraven __whence = SEEK_SET; 804227825Stheraven break; 805227825Stheraven case ios_base::cur: 806227825Stheraven __whence = SEEK_CUR; 807227825Stheraven break; 808227825Stheraven case ios_base::end: 809227825Stheraven __whence = SEEK_END; 810227825Stheraven break; 811227825Stheraven default: 812227825Stheraven return pos_type(off_type(-1)); 813227825Stheraven } 814288943Sdim#if defined(_WIN32) || defined(_NEWLIB_VERSION) 815249989Sdim if (fseek(__file_, __width > 0 ? __width * __off : 0, __whence)) 816249989Sdim return pos_type(off_type(-1)); 817249989Sdim pos_type __r = ftell(__file_); 818249989Sdim#else 819227825Stheraven if (fseeko(__file_, __width > 0 ? __width * __off : 0, __whence)) 820227825Stheraven return pos_type(off_type(-1)); 821227825Stheraven pos_type __r = ftello(__file_); 822249989Sdim#endif 823227825Stheraven __r.state(__st_); 824227825Stheraven return __r; 825227825Stheraven} 826227825Stheraven 827227825Stheraventemplate <class _CharT, class _Traits> 828227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 829227825Stheravenbasic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode) 830227825Stheraven{ 831227825Stheraven if (__file_ == 0 || sync()) 832227825Stheraven return pos_type(off_type(-1)); 833288943Sdim#if defined(_WIN32) || defined(_NEWLIB_VERSION) 834249989Sdim if (fseek(__file_, __sp, SEEK_SET)) 835249989Sdim return pos_type(off_type(-1)); 836249989Sdim#else 837227825Stheraven if (fseeko(__file_, __sp, SEEK_SET)) 838227825Stheraven return pos_type(off_type(-1)); 839249989Sdim#endif 840241900Sdim __st_ = __sp.state(); 841227825Stheraven return __sp; 842227825Stheraven} 843227825Stheraven 844227825Stheraventemplate <class _CharT, class _Traits> 845227825Stheravenint 846227825Stheravenbasic_filebuf<_CharT, _Traits>::sync() 847227825Stheraven{ 848227825Stheraven if (__file_ == 0) 849227825Stheraven return 0; 850241900Sdim#ifndef _LIBCPP_NO_EXCEPTIONS 851241900Sdim if (!__cv_) 852241900Sdim throw bad_cast(); 853241900Sdim#endif 854227825Stheraven if (__cm_ & ios_base::out) 855227825Stheraven { 856227825Stheraven if (this->pptr() != this->pbase()) 857227825Stheraven if (overflow() == traits_type::eof()) 858227825Stheraven return -1; 859227825Stheraven codecvt_base::result __r; 860227825Stheraven do 861227825Stheraven { 862227825Stheraven char* __extbe; 863227825Stheraven __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 864227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 865227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 866227825Stheraven return -1; 867227825Stheraven } while (__r == codecvt_base::partial); 868227825Stheraven if (__r == codecvt_base::error) 869227825Stheraven return -1; 870227825Stheraven if (fflush(__file_)) 871227825Stheraven return -1; 872227825Stheraven } 873227825Stheraven else if (__cm_ & ios_base::in) 874227825Stheraven { 875227825Stheraven off_type __c; 876241900Sdim state_type __state = __st_last_; 877241900Sdim bool __update_st = false; 878227825Stheraven if (__always_noconv_) 879227825Stheraven __c = this->egptr() - this->gptr(); 880227825Stheraven else 881227825Stheraven { 882227825Stheraven int __width = __cv_->encoding(); 883227825Stheraven __c = __extbufend_ - __extbufnext_; 884227825Stheraven if (__width > 0) 885227825Stheraven __c += __width * (this->egptr() - this->gptr()); 886227825Stheraven else 887227825Stheraven { 888227825Stheraven if (this->gptr() != this->egptr()) 889227825Stheraven { 890241900Sdim const int __off = __cv_->length(__state, __extbuf_, 891241900Sdim __extbufnext_, 892241900Sdim this->gptr() - this->eback()); 893241900Sdim __c += __extbufnext_ - __extbuf_ - __off; 894241900Sdim __update_st = true; 895227825Stheraven } 896227825Stheraven } 897227825Stheraven } 898288943Sdim#if defined(_WIN32) || defined(_NEWLIB_VERSION) 899249989Sdim if (fseek(__file_, -__c, SEEK_CUR)) 900249989Sdim return -1; 901249989Sdim#else 902227825Stheraven if (fseeko(__file_, -__c, SEEK_CUR)) 903227825Stheraven return -1; 904249989Sdim#endif 905241900Sdim if (__update_st) 906241900Sdim __st_ = __state; 907241900Sdim __extbufnext_ = __extbufend_ = __extbuf_; 908227825Stheraven this->setg(0, 0, 0); 909227825Stheraven __cm_ = 0; 910227825Stheraven } 911227825Stheraven return 0; 912227825Stheraven} 913227825Stheraven 914227825Stheraventemplate <class _CharT, class _Traits> 915227825Stheravenvoid 916227825Stheravenbasic_filebuf<_CharT, _Traits>::imbue(const locale& __loc) 917227825Stheraven{ 918227825Stheraven sync(); 919227825Stheraven __cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc); 920227825Stheraven bool __old_anc = __always_noconv_; 921227825Stheraven __always_noconv_ = __cv_->always_noconv(); 922227825Stheraven if (__old_anc != __always_noconv_) 923227825Stheraven { 924227825Stheraven this->setg(0, 0, 0); 925227825Stheraven this->setp(0, 0); 926227825Stheraven // invariant, char_type is char, else we couldn't get here 927227825Stheraven if (__always_noconv_) // need to dump __intbuf_ 928227825Stheraven { 929227825Stheraven if (__owns_eb_) 930227825Stheraven delete [] __extbuf_; 931227825Stheraven __owns_eb_ = __owns_ib_; 932227825Stheraven __ebs_ = __ibs_; 933227825Stheraven __extbuf_ = (char*)__intbuf_; 934227825Stheraven __ibs_ = 0; 935227825Stheraven __intbuf_ = 0; 936227825Stheraven __owns_ib_ = false; 937227825Stheraven } 938227825Stheraven else // need to obtain an __intbuf_. 939227825Stheraven { // If __extbuf_ is user-supplied, use it, else new __intbuf_ 940227825Stheraven if (!__owns_eb_ && __extbuf_ != __extbuf_min_) 941227825Stheraven { 942227825Stheraven __ibs_ = __ebs_; 943227825Stheraven __intbuf_ = (char_type*)__extbuf_; 944227825Stheraven __owns_ib_ = false; 945227825Stheraven __extbuf_ = new char[__ebs_]; 946227825Stheraven __owns_eb_ = true; 947227825Stheraven } 948227825Stheraven else 949227825Stheraven { 950227825Stheraven __ibs_ = __ebs_; 951227825Stheraven __intbuf_ = new char_type[__ibs_]; 952227825Stheraven __owns_ib_ = true; 953227825Stheraven } 954227825Stheraven } 955227825Stheraven } 956227825Stheraven} 957227825Stheraven 958227825Stheraventemplate <class _CharT, class _Traits> 959227825Stheravenbool 960227825Stheravenbasic_filebuf<_CharT, _Traits>::__read_mode() 961227825Stheraven{ 962227825Stheraven if (!(__cm_ & ios_base::in)) 963227825Stheraven { 964227825Stheraven this->setp(0, 0); 965227825Stheraven if (__always_noconv_) 966227825Stheraven this->setg((char_type*)__extbuf_, 967227825Stheraven (char_type*)__extbuf_ + __ebs_, 968227825Stheraven (char_type*)__extbuf_ + __ebs_); 969227825Stheraven else 970227825Stheraven this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 971227825Stheraven __cm_ = ios_base::in; 972227825Stheraven return true; 973227825Stheraven } 974227825Stheraven return false; 975227825Stheraven} 976227825Stheraven 977227825Stheraventemplate <class _CharT, class _Traits> 978227825Stheravenvoid 979227825Stheravenbasic_filebuf<_CharT, _Traits>::__write_mode() 980227825Stheraven{ 981227825Stheraven if (!(__cm_ & ios_base::out)) 982227825Stheraven { 983227825Stheraven this->setg(0, 0, 0); 984227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 985227825Stheraven { 986227825Stheraven if (__always_noconv_) 987227825Stheraven this->setp((char_type*)__extbuf_, 988227825Stheraven (char_type*)__extbuf_ + (__ebs_ - 1)); 989227825Stheraven else 990227825Stheraven this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 991227825Stheraven } 992227825Stheraven else 993227825Stheraven this->setp(0, 0); 994227825Stheraven __cm_ = ios_base::out; 995227825Stheraven } 996227825Stheraven} 997227825Stheraven 998227825Stheraven// basic_ifstream 999227825Stheraven 1000227825Stheraventemplate <class _CharT, class _Traits> 1001261272Sdimclass _LIBCPP_TYPE_VIS_ONLY basic_ifstream 1002227825Stheraven : public basic_istream<_CharT, _Traits> 1003227825Stheraven{ 1004227825Stheravenpublic: 1005227825Stheraven typedef _CharT char_type; 1006227825Stheraven typedef _Traits traits_type; 1007227825Stheraven typedef typename traits_type::int_type int_type; 1008227825Stheraven typedef typename traits_type::pos_type pos_type; 1009227825Stheraven typedef typename traits_type::off_type off_type; 1010227825Stheraven 1011227825Stheraven basic_ifstream(); 1012288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1013227825Stheraven explicit basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in); 1014227825Stheraven explicit basic_ifstream(const string& __s, ios_base::openmode __mode = ios_base::in); 1015288943Sdim#endif 1016227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1017227825Stheraven basic_ifstream(basic_ifstream&& __rhs); 1018227825Stheraven#endif 1019227825Stheraven 1020227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1021227825Stheraven basic_ifstream& operator=(basic_ifstream&& __rhs); 1022227825Stheraven#endif 1023227825Stheraven void swap(basic_ifstream& __rhs); 1024227825Stheraven 1025227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1026227825Stheraven bool is_open() const; 1027288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1028227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in); 1029227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in); 1030288943Sdim#endif 1031227825Stheraven void close(); 1032227825Stheraven 1033227825Stheravenprivate: 1034227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1035227825Stheraven}; 1036227825Stheraven 1037227825Stheraventemplate <class _CharT, class _Traits> 1038227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1039227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream() 1040227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1041227825Stheraven{ 1042227825Stheraven} 1043227825Stheraven 1044288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1045227825Stheraventemplate <class _CharT, class _Traits> 1046227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1047227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base::openmode __mode) 1048227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1049227825Stheraven{ 1050227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1051227825Stheraven this->setstate(ios_base::failbit); 1052227825Stheraven} 1053227825Stheraven 1054227825Stheraventemplate <class _CharT, class _Traits> 1055227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1056227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::openmode __mode) 1057227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1058227825Stheraven{ 1059227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1060227825Stheraven this->setstate(ios_base::failbit); 1061227825Stheraven} 1062288943Sdim#endif 1063227825Stheraven 1064227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1065227825Stheraven 1066227825Stheraventemplate <class _CharT, class _Traits> 1067227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1068227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs) 1069227825Stheraven : basic_istream<char_type, traits_type>(_VSTD::move(__rhs)), 1070227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1071227825Stheraven{ 1072227825Stheraven this->set_rdbuf(&__sb_); 1073227825Stheraven} 1074227825Stheraven 1075227825Stheraventemplate <class _CharT, class _Traits> 1076227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1077227825Stheravenbasic_ifstream<_CharT, _Traits>& 1078227825Stheravenbasic_ifstream<_CharT, _Traits>::operator=(basic_ifstream&& __rhs) 1079227825Stheraven{ 1080227825Stheraven basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1081227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1082227825Stheraven return *this; 1083227825Stheraven} 1084227825Stheraven 1085227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1086227825Stheraven 1087227825Stheraventemplate <class _CharT, class _Traits> 1088227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1089227825Stheravenvoid 1090227825Stheravenbasic_ifstream<_CharT, _Traits>::swap(basic_ifstream& __rhs) 1091227825Stheraven{ 1092227825Stheraven basic_istream<char_type, traits_type>::swap(__rhs); 1093227825Stheraven __sb_.swap(__rhs.__sb_); 1094227825Stheraven} 1095227825Stheraven 1096227825Stheraventemplate <class _CharT, class _Traits> 1097227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1098227825Stheravenvoid 1099227825Stheravenswap(basic_ifstream<_CharT, _Traits>& __x, basic_ifstream<_CharT, _Traits>& __y) 1100227825Stheraven{ 1101227825Stheraven __x.swap(__y); 1102227825Stheraven} 1103227825Stheraven 1104227825Stheraventemplate <class _CharT, class _Traits> 1105227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1106227825Stheravenbasic_filebuf<_CharT, _Traits>* 1107227825Stheravenbasic_ifstream<_CharT, _Traits>::rdbuf() const 1108227825Stheraven{ 1109227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1110227825Stheraven} 1111227825Stheraven 1112227825Stheraventemplate <class _CharT, class _Traits> 1113227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1114227825Stheravenbool 1115227825Stheravenbasic_ifstream<_CharT, _Traits>::is_open() const 1116227825Stheraven{ 1117227825Stheraven return __sb_.is_open(); 1118227825Stheraven} 1119227825Stheraven 1120288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1121227825Stheraventemplate <class _CharT, class _Traits> 1122227825Stheravenvoid 1123227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1124227825Stheraven{ 1125227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1126227825Stheraven this->clear(); 1127227825Stheraven else 1128227825Stheraven this->setstate(ios_base::failbit); 1129227825Stheraven} 1130227825Stheraven 1131227825Stheraventemplate <class _CharT, class _Traits> 1132227825Stheravenvoid 1133227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1134227825Stheraven{ 1135227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1136227825Stheraven this->clear(); 1137227825Stheraven else 1138227825Stheraven this->setstate(ios_base::failbit); 1139227825Stheraven} 1140288943Sdim#endif 1141227825Stheraven 1142227825Stheraventemplate <class _CharT, class _Traits> 1143227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1144227825Stheravenvoid 1145227825Stheravenbasic_ifstream<_CharT, _Traits>::close() 1146227825Stheraven{ 1147227825Stheraven if (__sb_.close() == 0) 1148227825Stheraven this->setstate(ios_base::failbit); 1149227825Stheraven} 1150227825Stheraven 1151227825Stheraven// basic_ofstream 1152227825Stheraven 1153227825Stheraventemplate <class _CharT, class _Traits> 1154261272Sdimclass _LIBCPP_TYPE_VIS_ONLY basic_ofstream 1155227825Stheraven : public basic_ostream<_CharT, _Traits> 1156227825Stheraven{ 1157227825Stheravenpublic: 1158227825Stheraven typedef _CharT char_type; 1159227825Stheraven typedef _Traits traits_type; 1160227825Stheraven typedef typename traits_type::int_type int_type; 1161227825Stheraven typedef typename traits_type::pos_type pos_type; 1162227825Stheraven typedef typename traits_type::off_type off_type; 1163227825Stheraven 1164227825Stheraven basic_ofstream(); 1165227825Stheraven explicit basic_ofstream(const char* __s, ios_base::openmode __mode = ios_base::out); 1166227825Stheraven explicit basic_ofstream(const string& __s, ios_base::openmode __mode = ios_base::out); 1167227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1168227825Stheraven basic_ofstream(basic_ofstream&& __rhs); 1169227825Stheraven#endif 1170227825Stheraven 1171227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1172227825Stheraven basic_ofstream& operator=(basic_ofstream&& __rhs); 1173227825Stheraven#endif 1174227825Stheraven void swap(basic_ofstream& __rhs); 1175227825Stheraven 1176227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1177227825Stheraven bool is_open() const; 1178288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1179227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::out); 1180227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::out); 1181288943Sdim#endif 1182227825Stheraven void close(); 1183227825Stheraven 1184227825Stheravenprivate: 1185227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1186227825Stheraven}; 1187227825Stheraven 1188227825Stheraventemplate <class _CharT, class _Traits> 1189227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1190227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream() 1191227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1192227825Stheraven{ 1193227825Stheraven} 1194227825Stheraven 1195288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1196227825Stheraventemplate <class _CharT, class _Traits> 1197227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1198227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base::openmode __mode) 1199227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1200227825Stheraven{ 1201227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1202227825Stheraven this->setstate(ios_base::failbit); 1203227825Stheraven} 1204227825Stheraven 1205227825Stheraventemplate <class _CharT, class _Traits> 1206227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1207227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::openmode __mode) 1208227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1209227825Stheraven{ 1210227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1211227825Stheraven this->setstate(ios_base::failbit); 1212227825Stheraven} 1213288943Sdim#endif 1214227825Stheraven 1215227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1216227825Stheraven 1217227825Stheraventemplate <class _CharT, class _Traits> 1218227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1219227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs) 1220227825Stheraven : basic_ostream<char_type, traits_type>(_VSTD::move(__rhs)), 1221227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1222227825Stheraven{ 1223227825Stheraven this->set_rdbuf(&__sb_); 1224227825Stheraven} 1225227825Stheraven 1226227825Stheraventemplate <class _CharT, class _Traits> 1227227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1228227825Stheravenbasic_ofstream<_CharT, _Traits>& 1229227825Stheravenbasic_ofstream<_CharT, _Traits>::operator=(basic_ofstream&& __rhs) 1230227825Stheraven{ 1231227825Stheraven basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1232227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1233227825Stheraven return *this; 1234227825Stheraven} 1235227825Stheraven 1236227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1237227825Stheraven 1238227825Stheraventemplate <class _CharT, class _Traits> 1239227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1240227825Stheravenvoid 1241227825Stheravenbasic_ofstream<_CharT, _Traits>::swap(basic_ofstream& __rhs) 1242227825Stheraven{ 1243227825Stheraven basic_ostream<char_type, traits_type>::swap(__rhs); 1244227825Stheraven __sb_.swap(__rhs.__sb_); 1245227825Stheraven} 1246227825Stheraven 1247227825Stheraventemplate <class _CharT, class _Traits> 1248227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1249227825Stheravenvoid 1250227825Stheravenswap(basic_ofstream<_CharT, _Traits>& __x, basic_ofstream<_CharT, _Traits>& __y) 1251227825Stheraven{ 1252227825Stheraven __x.swap(__y); 1253227825Stheraven} 1254227825Stheraven 1255227825Stheraventemplate <class _CharT, class _Traits> 1256227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1257227825Stheravenbasic_filebuf<_CharT, _Traits>* 1258227825Stheravenbasic_ofstream<_CharT, _Traits>::rdbuf() const 1259227825Stheraven{ 1260227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1261227825Stheraven} 1262227825Stheraven 1263227825Stheraventemplate <class _CharT, class _Traits> 1264227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1265227825Stheravenbool 1266227825Stheravenbasic_ofstream<_CharT, _Traits>::is_open() const 1267227825Stheraven{ 1268227825Stheraven return __sb_.is_open(); 1269227825Stheraven} 1270227825Stheraven 1271288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1272227825Stheraventemplate <class _CharT, class _Traits> 1273227825Stheravenvoid 1274227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1275227825Stheraven{ 1276227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1277227825Stheraven this->clear(); 1278227825Stheraven else 1279227825Stheraven this->setstate(ios_base::failbit); 1280227825Stheraven} 1281227825Stheraven 1282227825Stheraventemplate <class _CharT, class _Traits> 1283227825Stheravenvoid 1284227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1285227825Stheraven{ 1286227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1287227825Stheraven this->clear(); 1288227825Stheraven else 1289227825Stheraven this->setstate(ios_base::failbit); 1290227825Stheraven} 1291288943Sdim#endif 1292227825Stheraven 1293227825Stheraventemplate <class _CharT, class _Traits> 1294227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1295227825Stheravenvoid 1296227825Stheravenbasic_ofstream<_CharT, _Traits>::close() 1297227825Stheraven{ 1298227825Stheraven if (__sb_.close() == 0) 1299227825Stheraven this->setstate(ios_base::failbit); 1300227825Stheraven} 1301227825Stheraven 1302227825Stheraven// basic_fstream 1303227825Stheraven 1304227825Stheraventemplate <class _CharT, class _Traits> 1305261272Sdimclass _LIBCPP_TYPE_VIS_ONLY basic_fstream 1306227825Stheraven : public basic_iostream<_CharT, _Traits> 1307227825Stheraven{ 1308227825Stheravenpublic: 1309227825Stheraven typedef _CharT char_type; 1310227825Stheraven typedef _Traits traits_type; 1311227825Stheraven typedef typename traits_type::int_type int_type; 1312227825Stheraven typedef typename traits_type::pos_type pos_type; 1313227825Stheraven typedef typename traits_type::off_type off_type; 1314227825Stheraven 1315227825Stheraven basic_fstream(); 1316288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1317227825Stheraven explicit basic_fstream(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1318227825Stheraven explicit basic_fstream(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1319288943Sdim#endif 1320227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1321227825Stheraven basic_fstream(basic_fstream&& __rhs); 1322227825Stheraven#endif 1323227825Stheraven 1324227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1325227825Stheraven basic_fstream& operator=(basic_fstream&& __rhs); 1326227825Stheraven#endif 1327227825Stheraven void swap(basic_fstream& __rhs); 1328227825Stheraven 1329227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1330227825Stheraven bool is_open() const; 1331288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1332227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1333227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1334288943Sdim#endif 1335227825Stheraven void close(); 1336227825Stheraven 1337227825Stheravenprivate: 1338227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1339227825Stheraven}; 1340227825Stheraven 1341227825Stheraventemplate <class _CharT, class _Traits> 1342227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1343227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream() 1344227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1345227825Stheraven{ 1346227825Stheraven} 1347227825Stheraven 1348288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1349227825Stheraventemplate <class _CharT, class _Traits> 1350227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1351227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::openmode __mode) 1352227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1353227825Stheraven{ 1354227825Stheraven if (__sb_.open(__s, __mode) == 0) 1355227825Stheraven this->setstate(ios_base::failbit); 1356227825Stheraven} 1357227825Stheraven 1358227825Stheraventemplate <class _CharT, class _Traits> 1359227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1360227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openmode __mode) 1361227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1362227825Stheraven{ 1363227825Stheraven if (__sb_.open(__s, __mode) == 0) 1364227825Stheraven this->setstate(ios_base::failbit); 1365227825Stheraven} 1366288943Sdim#endif 1367227825Stheraven 1368227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1369227825Stheraven 1370227825Stheraventemplate <class _CharT, class _Traits> 1371227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1372227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs) 1373227825Stheraven : basic_iostream<char_type, traits_type>(_VSTD::move(__rhs)), 1374227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1375227825Stheraven{ 1376227825Stheraven this->set_rdbuf(&__sb_); 1377227825Stheraven} 1378227825Stheraven 1379227825Stheraventemplate <class _CharT, class _Traits> 1380227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1381227825Stheravenbasic_fstream<_CharT, _Traits>& 1382227825Stheravenbasic_fstream<_CharT, _Traits>::operator=(basic_fstream&& __rhs) 1383227825Stheraven{ 1384227825Stheraven basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1385227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1386227825Stheraven return *this; 1387227825Stheraven} 1388227825Stheraven 1389227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1390227825Stheraven 1391227825Stheraventemplate <class _CharT, class _Traits> 1392227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1393227825Stheravenvoid 1394227825Stheravenbasic_fstream<_CharT, _Traits>::swap(basic_fstream& __rhs) 1395227825Stheraven{ 1396227825Stheraven basic_iostream<char_type, traits_type>::swap(__rhs); 1397227825Stheraven __sb_.swap(__rhs.__sb_); 1398227825Stheraven} 1399227825Stheraven 1400227825Stheraventemplate <class _CharT, class _Traits> 1401227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1402227825Stheravenvoid 1403227825Stheravenswap(basic_fstream<_CharT, _Traits>& __x, basic_fstream<_CharT, _Traits>& __y) 1404227825Stheraven{ 1405227825Stheraven __x.swap(__y); 1406227825Stheraven} 1407227825Stheraven 1408227825Stheraventemplate <class _CharT, class _Traits> 1409227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1410227825Stheravenbasic_filebuf<_CharT, _Traits>* 1411227825Stheravenbasic_fstream<_CharT, _Traits>::rdbuf() const 1412227825Stheraven{ 1413227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1414227825Stheraven} 1415227825Stheraven 1416227825Stheraventemplate <class _CharT, class _Traits> 1417227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1418227825Stheravenbool 1419227825Stheravenbasic_fstream<_CharT, _Traits>::is_open() const 1420227825Stheraven{ 1421227825Stheraven return __sb_.is_open(); 1422227825Stheraven} 1423227825Stheraven 1424288943Sdim#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1425227825Stheraventemplate <class _CharT, class _Traits> 1426227825Stheravenvoid 1427227825Stheravenbasic_fstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1428227825Stheraven{ 1429227825Stheraven if (__sb_.open(__s, __mode)) 1430227825Stheraven this->clear(); 1431227825Stheraven else 1432227825Stheraven this->setstate(ios_base::failbit); 1433227825Stheraven} 1434227825Stheraven 1435227825Stheraventemplate <class _CharT, class _Traits> 1436227825Stheravenvoid 1437227825Stheravenbasic_fstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1438227825Stheraven{ 1439227825Stheraven if (__sb_.open(__s, __mode)) 1440227825Stheraven this->clear(); 1441227825Stheraven else 1442227825Stheraven this->setstate(ios_base::failbit); 1443227825Stheraven} 1444288943Sdim#endif 1445227825Stheraven 1446227825Stheraventemplate <class _CharT, class _Traits> 1447227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1448227825Stheravenvoid 1449227825Stheravenbasic_fstream<_CharT, _Traits>::close() 1450227825Stheraven{ 1451227825Stheraven if (__sb_.close() == 0) 1452227825Stheraven this->setstate(ios_base::failbit); 1453227825Stheraven} 1454227825Stheraven 1455227825Stheraven_LIBCPP_END_NAMESPACE_STD 1456227825Stheraven 1457227825Stheraven#endif // _LIBCPP_FSTREAM 1458