fstream revision 232924
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> 183227825Stheravenclass _LIBCPP_VISIBLE 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; 209227825Stheraven basic_filebuf* open(const char* __s, ios_base::openmode __mode); 210227825Stheraven basic_filebuf* open(const string& __s, ios_base::openmode __mode); 211227825Stheraven basic_filebuf* close(); 212227825Stheraven 213227825Stheravenprotected: 214227825Stheraven // 27.9.1.5 Overridden virtual functions: 215227825Stheraven virtual int_type underflow(); 216227825Stheraven virtual int_type pbackfail(int_type __c = traits_type::eof()); 217227825Stheraven virtual int_type overflow (int_type __c = traits_type::eof()); 218227825Stheraven virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, streamsize __n); 219227825Stheraven virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 220227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 221227825Stheraven virtual pos_type seekpos(pos_type __sp, 222227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 223227825Stheraven virtual int sync(); 224227825Stheraven virtual void imbue(const locale& __loc); 225227825Stheraven 226227825Stheravenprivate: 227227825Stheraven char* __extbuf_; 228227825Stheraven const char* __extbufnext_; 229227825Stheraven const char* __extbufend_; 230227825Stheraven char __extbuf_min_[8]; 231227825Stheraven size_t __ebs_; 232227825Stheraven char_type* __intbuf_; 233227825Stheraven size_t __ibs_; 234227825Stheraven FILE* __file_; 235227825Stheraven const codecvt<char_type, char, state_type>* __cv_; 236227825Stheraven state_type __st_; 237227825Stheraven ios_base::openmode __om_; 238227825Stheraven ios_base::openmode __cm_; 239227825Stheraven bool __owns_eb_; 240227825Stheraven bool __owns_ib_; 241227825Stheraven bool __always_noconv_; 242227825Stheraven 243227825Stheraven bool __read_mode(); 244227825Stheraven void __write_mode(); 245227825Stheraven}; 246227825Stheraven 247227825Stheraventemplate <class _CharT, class _Traits> 248227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf() 249227825Stheraven : __extbuf_(0), 250227825Stheraven __extbufnext_(0), 251227825Stheraven __extbufend_(0), 252227825Stheraven __ebs_(0), 253227825Stheraven __intbuf_(0), 254227825Stheraven __ibs_(0), 255227825Stheraven __file_(0), 256227825Stheraven __cv_(&use_facet<codecvt<char_type, char, state_type> >(this->getloc())), 257227825Stheraven __st_(), 258227825Stheraven __om_(0), 259227825Stheraven __cm_(0), 260227825Stheraven __owns_eb_(false), 261227825Stheraven __owns_ib_(false), 262227825Stheraven __always_noconv_(__cv_->always_noconv()) 263227825Stheraven{ 264227825Stheraven setbuf(0, 4096); 265227825Stheraven} 266227825Stheraven 267227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 268227825Stheraven 269227825Stheraventemplate <class _CharT, class _Traits> 270227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf(basic_filebuf&& __rhs) 271227825Stheraven : basic_streambuf<_CharT, _Traits>(__rhs) 272227825Stheraven{ 273227825Stheraven if (__rhs.__extbuf_ == __rhs.__extbuf_min_) 274227825Stheraven { 275227825Stheraven __extbuf_ = __extbuf_min_; 276227825Stheraven __extbufnext_ = __extbuf_ + (__rhs.__extbufnext_ - __rhs.__extbuf_); 277227825Stheraven __extbufend_ = __extbuf_ + (__rhs.__extbufend_ - __rhs.__extbuf_); 278227825Stheraven } 279227825Stheraven else 280227825Stheraven { 281227825Stheraven __extbuf_ = __rhs.__extbuf_; 282227825Stheraven __extbufnext_ = __rhs.__extbufnext_; 283227825Stheraven __extbufend_ = __rhs.__extbufend_; 284227825Stheraven } 285227825Stheraven __ebs_ = __rhs.__ebs_; 286227825Stheraven __intbuf_ = __rhs.__intbuf_; 287227825Stheraven __ibs_ = __rhs.__ibs_; 288227825Stheraven __file_ = __rhs.__file_; 289227825Stheraven __cv_ = __rhs.__cv_; 290227825Stheraven __st_ = __rhs.__st_; 291227825Stheraven __om_ = __rhs.__om_; 292227825Stheraven __cm_ = __rhs.__cm_; 293227825Stheraven __owns_eb_ = __rhs.__owns_eb_; 294227825Stheraven __owns_ib_ = __rhs.__owns_ib_; 295227825Stheraven __always_noconv_ = __rhs.__always_noconv_; 296227825Stheraven if (__rhs.pbase()) 297227825Stheraven { 298227825Stheraven if (__rhs.pbase() == __rhs.__intbuf_) 299227825Stheraven this->setp(__intbuf_, __intbuf_ + (__rhs. epptr() - __rhs.pbase())); 300227825Stheraven else 301227825Stheraven this->setp((char_type*)__extbuf_, 302227825Stheraven (char_type*)__extbuf_ + (__rhs. epptr() - __rhs.pbase())); 303227825Stheraven this->pbump(__rhs. pptr() - __rhs.pbase()); 304227825Stheraven } 305227825Stheraven else if (__rhs.eback()) 306227825Stheraven { 307227825Stheraven if (__rhs.eback() == __rhs.__intbuf_) 308227825Stheraven this->setg(__intbuf_, __intbuf_ + (__rhs.gptr() - __rhs.eback()), 309227825Stheraven __intbuf_ + (__rhs.egptr() - __rhs.eback())); 310227825Stheraven else 311227825Stheraven this->setg((char_type*)__extbuf_, 312227825Stheraven (char_type*)__extbuf_ + (__rhs.gptr() - __rhs.eback()), 313227825Stheraven (char_type*)__extbuf_ + (__rhs.egptr() - __rhs.eback())); 314227825Stheraven } 315227825Stheraven __rhs.__extbuf_ = 0; 316227825Stheraven __rhs.__extbufnext_ = 0; 317227825Stheraven __rhs.__extbufend_ = 0; 318227825Stheraven __rhs.__ebs_ = 0; 319227825Stheraven __rhs.__intbuf_ = 0; 320227825Stheraven __rhs.__ibs_ = 0; 321227825Stheraven __rhs.__file_ = 0; 322227825Stheraven __rhs.__st_ = state_type(); 323227825Stheraven __rhs.__om_ = 0; 324227825Stheraven __rhs.__cm_ = 0; 325227825Stheraven __rhs.__owns_eb_ = false; 326227825Stheraven __rhs.__owns_ib_ = false; 327227825Stheraven __rhs.setg(0, 0, 0); 328227825Stheraven __rhs.setp(0, 0); 329227825Stheraven} 330227825Stheraven 331227825Stheraventemplate <class _CharT, class _Traits> 332227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 333227825Stheravenbasic_filebuf<_CharT, _Traits>& 334227825Stheravenbasic_filebuf<_CharT, _Traits>::operator=(basic_filebuf&& __rhs) 335227825Stheraven{ 336227825Stheraven close(); 337227825Stheraven swap(__rhs); 338227825Stheraven} 339227825Stheraven 340227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 341227825Stheraven 342227825Stheraventemplate <class _CharT, class _Traits> 343227825Stheravenbasic_filebuf<_CharT, _Traits>::~basic_filebuf() 344227825Stheraven{ 345227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 346227825Stheraven try 347227825Stheraven { 348227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 349227825Stheraven close(); 350227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 351227825Stheraven } 352227825Stheraven catch (...) 353227825Stheraven { 354227825Stheraven } 355227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 356227825Stheraven if (__owns_eb_) 357227825Stheraven delete [] __extbuf_; 358227825Stheraven if (__owns_ib_) 359227825Stheraven delete [] __intbuf_; 360227825Stheraven} 361227825Stheraven 362227825Stheraventemplate <class _CharT, class _Traits> 363227825Stheravenvoid 364227825Stheravenbasic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs) 365227825Stheraven{ 366227825Stheraven basic_streambuf<char_type, traits_type>::swap(__rhs); 367227825Stheraven if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 368227825Stheraven { 369227825Stheraven _VSTD::swap(__extbuf_, __rhs.__extbuf_); 370227825Stheraven _VSTD::swap(__extbufnext_, __rhs.__extbufnext_); 371227825Stheraven _VSTD::swap(__extbufend_, __rhs.__extbufend_); 372227825Stheraven } 373227825Stheraven else 374227825Stheraven { 375227825Stheraven ptrdiff_t __ln = __extbufnext_ - __extbuf_; 376227825Stheraven ptrdiff_t __le = __extbufend_ - __extbuf_; 377227825Stheraven ptrdiff_t __rn = __rhs.__extbufnext_ - __rhs.__extbuf_; 378227825Stheraven ptrdiff_t __re = __rhs.__extbufend_ - __rhs.__extbuf_; 379227825Stheraven if (__extbuf_ == __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 380227825Stheraven { 381227825Stheraven __extbuf_ = __rhs.__extbuf_; 382227825Stheraven __rhs.__extbuf_ = __rhs.__extbuf_min_; 383227825Stheraven } 384227825Stheraven else if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ == __rhs.__extbuf_min_) 385227825Stheraven { 386227825Stheraven __rhs.__extbuf_ = __extbuf_; 387227825Stheraven __extbuf_ = __extbuf_min_; 388227825Stheraven } 389227825Stheraven __extbufnext_ = __extbuf_ + __rn; 390227825Stheraven __extbufend_ = __extbuf_ + __re; 391227825Stheraven __rhs.__extbufnext_ = __rhs.__extbuf_ + __ln; 392227825Stheraven __rhs.__extbufend_ = __rhs.__extbuf_ + __le; 393227825Stheraven } 394227825Stheraven _VSTD::swap(__ebs_, __rhs.__ebs_); 395227825Stheraven _VSTD::swap(__intbuf_, __rhs.__intbuf_); 396227825Stheraven _VSTD::swap(__ibs_, __rhs.__ibs_); 397227825Stheraven _VSTD::swap(__file_, __rhs.__file_); 398227825Stheraven _VSTD::swap(__cv_, __rhs.__cv_); 399227825Stheraven _VSTD::swap(__st_, __rhs.__st_); 400227825Stheraven _VSTD::swap(__om_, __rhs.__om_); 401227825Stheraven _VSTD::swap(__cm_, __rhs.__cm_); 402227825Stheraven _VSTD::swap(__owns_eb_, __rhs.__owns_eb_); 403227825Stheraven _VSTD::swap(__owns_ib_, __rhs.__owns_ib_); 404227825Stheraven _VSTD::swap(__always_noconv_, __rhs.__always_noconv_); 405227825Stheraven if (this->eback() == (char_type*)__rhs.__extbuf_min_) 406227825Stheraven { 407227825Stheraven ptrdiff_t __n = this->gptr() - this->eback(); 408227825Stheraven ptrdiff_t __e = this->egptr() - this->eback(); 409227825Stheraven this->setg((char_type*)__extbuf_min_, 410227825Stheraven (char_type*)__extbuf_min_ + __n, 411227825Stheraven (char_type*)__extbuf_min_ + __e); 412227825Stheraven } 413227825Stheraven else if (this->pbase() == (char_type*)__rhs.__extbuf_min_) 414227825Stheraven { 415227825Stheraven ptrdiff_t __n = this->pptr() - this->pbase(); 416227825Stheraven ptrdiff_t __e = this->epptr() - this->pbase(); 417227825Stheraven this->setp((char_type*)__extbuf_min_, 418227825Stheraven (char_type*)__extbuf_min_ + __e); 419227825Stheraven this->pbump(__n); 420227825Stheraven } 421227825Stheraven if (__rhs.eback() == (char_type*)__extbuf_min_) 422227825Stheraven { 423227825Stheraven ptrdiff_t __n = __rhs.gptr() - __rhs.eback(); 424227825Stheraven ptrdiff_t __e = __rhs.egptr() - __rhs.eback(); 425227825Stheraven __rhs.setg((char_type*)__rhs.__extbuf_min_, 426227825Stheraven (char_type*)__rhs.__extbuf_min_ + __n, 427227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 428227825Stheraven } 429227825Stheraven else if (__rhs.pbase() == (char_type*)__extbuf_min_) 430227825Stheraven { 431227825Stheraven ptrdiff_t __n = __rhs.pptr() - __rhs.pbase(); 432227825Stheraven ptrdiff_t __e = __rhs.epptr() - __rhs.pbase(); 433227825Stheraven __rhs.setp((char_type*)__rhs.__extbuf_min_, 434227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 435227825Stheraven __rhs.pbump(__n); 436227825Stheraven } 437227825Stheraven} 438227825Stheraven 439227825Stheraventemplate <class _CharT, class _Traits> 440227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 441227825Stheravenvoid 442227825Stheravenswap(basic_filebuf<_CharT, _Traits>& __x, basic_filebuf<_CharT, _Traits>& __y) 443227825Stheraven{ 444227825Stheraven __x.swap(__y); 445227825Stheraven} 446227825Stheraven 447227825Stheraventemplate <class _CharT, class _Traits> 448227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 449227825Stheravenbool 450227825Stheravenbasic_filebuf<_CharT, _Traits>::is_open() const 451227825Stheraven{ 452227825Stheraven return __file_ != 0; 453227825Stheraven} 454227825Stheraven 455227825Stheraventemplate <class _CharT, class _Traits> 456227825Stheravenbasic_filebuf<_CharT, _Traits>* 457227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 458227825Stheraven{ 459227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 460227825Stheraven if (__file_ == 0) 461227825Stheraven { 462227825Stheraven __rt = this; 463227825Stheraven const char* __mdstr; 464227825Stheraven switch (__mode & ~ios_base::ate) 465227825Stheraven { 466227825Stheraven case ios_base::out: 467227825Stheraven case ios_base::out | ios_base::trunc: 468227825Stheraven __mdstr = "w"; 469227825Stheraven break; 470227825Stheraven case ios_base::out | ios_base::app: 471227825Stheraven case ios_base::app: 472227825Stheraven __mdstr = "a"; 473227825Stheraven break; 474227825Stheraven case ios_base::in: 475227825Stheraven __mdstr = "r"; 476227825Stheraven break; 477227825Stheraven case ios_base::in | ios_base::out: 478227825Stheraven __mdstr = "r+"; 479227825Stheraven break; 480227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc: 481227825Stheraven __mdstr = "w+"; 482227825Stheraven break; 483227825Stheraven case ios_base::in | ios_base::out | ios_base::app: 484227825Stheraven case ios_base::in | ios_base::app: 485227825Stheraven __mdstr = "a+"; 486227825Stheraven break; 487227825Stheraven case ios_base::out | ios_base::binary: 488227825Stheraven case ios_base::out | ios_base::trunc | ios_base::binary: 489227825Stheraven __mdstr = "wb"; 490227825Stheraven break; 491227825Stheraven case ios_base::out | ios_base::app | ios_base::binary: 492227825Stheraven case ios_base::app | ios_base::binary: 493227825Stheraven __mdstr = "ab"; 494227825Stheraven break; 495227825Stheraven case ios_base::in | ios_base::binary: 496227825Stheraven __mdstr = "rb"; 497227825Stheraven break; 498227825Stheraven case ios_base::in | ios_base::out | ios_base::binary: 499227825Stheraven __mdstr = "r+b"; 500227825Stheraven break; 501227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary: 502227825Stheraven __mdstr = "w+b"; 503227825Stheraven break; 504227825Stheraven case ios_base::in | ios_base::out | ios_base::app | ios_base::binary: 505227825Stheraven case ios_base::in | ios_base::app | ios_base::binary: 506227825Stheraven __mdstr = "a+b"; 507227825Stheraven break; 508227825Stheraven default: 509227825Stheraven __rt = 0; 510227825Stheraven break; 511227825Stheraven } 512227825Stheraven if (__rt) 513227825Stheraven { 514227825Stheraven __file_ = fopen(__s, __mdstr); 515227825Stheraven if (__file_) 516227825Stheraven { 517227825Stheraven __om_ = __mode; 518227825Stheraven if (__mode & ios_base::ate) 519227825Stheraven { 520227825Stheraven if (fseek(__file_, 0, SEEK_END)) 521227825Stheraven { 522227825Stheraven fclose(__file_); 523227825Stheraven __file_ = 0; 524227825Stheraven __rt = 0; 525227825Stheraven } 526227825Stheraven } 527227825Stheraven } 528227825Stheraven else 529227825Stheraven __rt = 0; 530227825Stheraven } 531227825Stheraven } 532227825Stheraven return __rt; 533227825Stheraven} 534227825Stheraven 535227825Stheraventemplate <class _CharT, class _Traits> 536227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 537227825Stheravenbasic_filebuf<_CharT, _Traits>* 538227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 539227825Stheraven{ 540227825Stheraven return open(__s.c_str(), __mode); 541227825Stheraven} 542227825Stheraven 543227825Stheraventemplate <class _CharT, class _Traits> 544227825Stheravenbasic_filebuf<_CharT, _Traits>* 545227825Stheravenbasic_filebuf<_CharT, _Traits>::close() 546227825Stheraven{ 547227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 548227825Stheraven if (__file_) 549227825Stheraven { 550227825Stheraven __rt = this; 551227825Stheraven unique_ptr<FILE, int(*)(FILE*)> __h(__file_, fclose); 552232924Stheraven if (sync()) 553227825Stheraven __rt = 0; 554227825Stheraven if (fclose(__h.release()) == 0) 555227825Stheraven __file_ = 0; 556227825Stheraven else 557227825Stheraven __rt = 0; 558227825Stheraven } 559227825Stheraven return __rt; 560227825Stheraven} 561227825Stheraven 562227825Stheraventemplate <class _CharT, class _Traits> 563227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 564227825Stheravenbasic_filebuf<_CharT, _Traits>::underflow() 565227825Stheraven{ 566227825Stheraven if (__file_ == 0) 567227825Stheraven return traits_type::eof(); 568227825Stheraven bool __initial = __read_mode(); 569227825Stheraven char_type __1buf; 570227825Stheraven if (this->gptr() == 0) 571227825Stheraven this->setg(&__1buf, &__1buf+1, &__1buf+1); 572227825Stheraven const size_t __unget_sz = __initial ? 0 : min<size_t>((this->egptr() - this->eback()) / 2, 4); 573227825Stheraven int_type __c = traits_type::eof(); 574227825Stheraven if (this->gptr() == this->egptr()) 575227825Stheraven { 576227825Stheraven memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 577227825Stheraven if (__always_noconv_) 578227825Stheraven { 579227825Stheraven size_t __nmemb = static_cast<size_t>(this->egptr() - this->eback() - __unget_sz); 580227825Stheraven __nmemb = fread(this->eback() + __unget_sz, 1, __nmemb, __file_); 581227825Stheraven if (__nmemb != 0) 582227825Stheraven { 583227825Stheraven this->setg(this->eback(), 584227825Stheraven this->eback() + __unget_sz, 585227825Stheraven this->eback() + __unget_sz + __nmemb); 586227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 587227825Stheraven } 588227825Stheraven } 589227825Stheraven else 590227825Stheraven { 591227825Stheraven memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 592227825Stheraven __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 593227825Stheraven __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 594227825Stheraven size_t __nmemb = _VSTD::min(static_cast<size_t>(this->egptr() - this->eback() - __unget_sz), 595227825Stheraven static_cast<size_t>(__extbufend_ - __extbufnext_)); 596227825Stheraven codecvt_base::result __r; 597227825Stheraven state_type __svs = __st_; 598227825Stheraven size_t __nr = fread((void*)__extbufnext_, 1, __nmemb, __file_); 599227825Stheraven if (__nr != 0) 600227825Stheraven { 601227825Stheraven __extbufend_ = __extbufnext_ + __nr; 602227825Stheraven char_type* __inext; 603227825Stheraven __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 604227825Stheraven this->eback() + __unget_sz, 605227825Stheraven this->egptr(), __inext); 606227825Stheraven if (__r == codecvt_base::noconv) 607227825Stheraven { 608227825Stheraven this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, (char_type*)__extbufend_); 609227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 610227825Stheraven } 611227825Stheraven else if (__inext != this->eback() + __unget_sz) 612227825Stheraven { 613227825Stheraven this->setg(this->eback(), this->eback() + __unget_sz, __inext); 614227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 615227825Stheraven } 616227825Stheraven } 617227825Stheraven } 618227825Stheraven } 619227825Stheraven else 620227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 621227825Stheraven if (this->eback() == &__1buf) 622227825Stheraven this->setg(0, 0, 0); 623227825Stheraven return __c; 624227825Stheraven} 625227825Stheraven 626227825Stheraventemplate <class _CharT, class _Traits> 627227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 628227825Stheravenbasic_filebuf<_CharT, _Traits>::pbackfail(int_type __c) 629227825Stheraven{ 630227825Stheraven if (__file_ && this->eback() < this->gptr()) 631227825Stheraven { 632227825Stheraven if (traits_type::eq_int_type(__c, traits_type::eof())) 633227825Stheraven { 634227825Stheraven this->gbump(-1); 635227825Stheraven return traits_type::not_eof(__c); 636227825Stheraven } 637227825Stheraven if ((__om_ & ios_base::out) || 638227825Stheraven traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 639227825Stheraven { 640227825Stheraven this->gbump(-1); 641227825Stheraven *this->gptr() = traits_type::to_char_type(__c); 642227825Stheraven return __c; 643227825Stheraven } 644227825Stheraven } 645227825Stheraven return traits_type::eof(); 646227825Stheraven} 647227825Stheraven 648227825Stheraventemplate <class _CharT, class _Traits> 649227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 650227825Stheravenbasic_filebuf<_CharT, _Traits>::overflow(int_type __c) 651227825Stheraven{ 652227825Stheraven if (__file_ == 0) 653227825Stheraven return traits_type::eof(); 654227825Stheraven __write_mode(); 655227825Stheraven char_type __1buf; 656227825Stheraven char_type* __pb_save = this->pbase(); 657227825Stheraven char_type* __epb_save = this->epptr(); 658227825Stheraven if (!traits_type::eq_int_type(__c, traits_type::eof())) 659227825Stheraven { 660227825Stheraven if (this->pptr() == 0) 661227825Stheraven this->setp(&__1buf, &__1buf+1); 662227825Stheraven *this->pptr() = traits_type::to_char_type(__c); 663227825Stheraven this->pbump(1); 664227825Stheraven } 665227825Stheraven if (this->pptr() != this->pbase()) 666227825Stheraven { 667227825Stheraven if (__always_noconv_) 668227825Stheraven { 669227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 670227825Stheraven if (fwrite(this->pbase(), sizeof(char_type), __nmemb, __file_) != __nmemb) 671227825Stheraven return traits_type::eof(); 672227825Stheraven } 673227825Stheraven else 674227825Stheraven { 675227825Stheraven char* __extbe = __extbuf_; 676227825Stheraven codecvt_base::result __r; 677227825Stheraven do 678227825Stheraven { 679227825Stheraven const char_type* __e; 680227825Stheraven __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 681227825Stheraven __extbuf_, __extbuf_ + __ebs_, __extbe); 682227825Stheraven if (__e == this->pbase()) 683227825Stheraven return traits_type::eof(); 684227825Stheraven if (__r == codecvt_base::noconv) 685227825Stheraven { 686227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 687227825Stheraven if (fwrite(this->pbase(), 1, __nmemb, __file_) != __nmemb) 688227825Stheraven return traits_type::eof(); 689227825Stheraven } 690227825Stheraven else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 691227825Stheraven { 692227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 693227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 694227825Stheraven return traits_type::eof(); 695227825Stheraven if (__r == codecvt_base::partial) 696227825Stheraven { 697227825Stheraven this->setp((char_type*)__e, this->pptr()); 698227825Stheraven this->pbump(this->epptr() - this->pbase()); 699227825Stheraven } 700227825Stheraven } 701227825Stheraven else 702227825Stheraven return traits_type::eof(); 703227825Stheraven } while (__r == codecvt_base::partial); 704227825Stheraven } 705227825Stheraven this->setp(__pb_save, __epb_save); 706227825Stheraven } 707227825Stheraven return traits_type::not_eof(__c); 708227825Stheraven} 709227825Stheraven 710227825Stheraventemplate <class _CharT, class _Traits> 711227825Stheravenbasic_streambuf<_CharT, _Traits>* 712227825Stheravenbasic_filebuf<_CharT, _Traits>::setbuf(char_type* __s, streamsize __n) 713227825Stheraven{ 714227825Stheraven this->setg(0, 0, 0); 715227825Stheraven this->setp(0, 0); 716227825Stheraven if (__owns_eb_) 717227825Stheraven delete [] __extbuf_; 718227825Stheraven if (__owns_ib_) 719227825Stheraven delete [] __intbuf_; 720227825Stheraven __ebs_ = __n; 721227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 722227825Stheraven { 723227825Stheraven if (__always_noconv_ && __s) 724227825Stheraven { 725227825Stheraven __extbuf_ = (char*)__s; 726227825Stheraven __owns_eb_ = false; 727227825Stheraven } 728227825Stheraven else 729227825Stheraven { 730227825Stheraven __extbuf_ = new char[__ebs_]; 731227825Stheraven __owns_eb_ = true; 732227825Stheraven } 733227825Stheraven } 734227825Stheraven else 735227825Stheraven { 736227825Stheraven __extbuf_ = __extbuf_min_; 737227825Stheraven __ebs_ = sizeof(__extbuf_min_); 738227825Stheraven __owns_eb_ = false; 739227825Stheraven } 740227825Stheraven if (!__always_noconv_) 741227825Stheraven { 742227825Stheraven __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 743227825Stheraven if (__s && __ibs_ >= sizeof(__extbuf_min_)) 744227825Stheraven { 745227825Stheraven __intbuf_ = __s; 746227825Stheraven __owns_ib_ = false; 747227825Stheraven } 748227825Stheraven else 749227825Stheraven { 750227825Stheraven __intbuf_ = new char_type[__ibs_]; 751227825Stheraven __owns_ib_ = true; 752227825Stheraven } 753227825Stheraven } 754227825Stheraven else 755227825Stheraven { 756227825Stheraven __ibs_ = 0; 757227825Stheraven __intbuf_ = 0; 758227825Stheraven __owns_ib_ = false; 759227825Stheraven } 760227825Stheraven return this; 761227825Stheraven} 762227825Stheraven 763227825Stheraventemplate <class _CharT, class _Traits> 764227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 765227825Stheravenbasic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way, 766227825Stheraven ios_base::openmode) 767227825Stheraven{ 768227825Stheraven int __width = __cv_->encoding(); 769227825Stheraven if (__file_ == 0 || (__width <= 0 && __off != 0) || sync()) 770227825Stheraven return pos_type(off_type(-1)); 771227825Stheraven // __width > 0 || __off == 0 772227825Stheraven int __whence; 773227825Stheraven switch (__way) 774227825Stheraven { 775227825Stheraven case ios_base::beg: 776227825Stheraven __whence = SEEK_SET; 777227825Stheraven break; 778227825Stheraven case ios_base::cur: 779227825Stheraven __whence = SEEK_CUR; 780227825Stheraven break; 781227825Stheraven case ios_base::end: 782227825Stheraven __whence = SEEK_END; 783227825Stheraven break; 784227825Stheraven default: 785227825Stheraven return pos_type(off_type(-1)); 786227825Stheraven } 787227825Stheraven if (fseeko(__file_, __width > 0 ? __width * __off : 0, __whence)) 788227825Stheraven return pos_type(off_type(-1)); 789227825Stheraven pos_type __r = ftello(__file_); 790227825Stheraven __r.state(__st_); 791227825Stheraven return __r; 792227825Stheraven} 793227825Stheraven 794227825Stheraventemplate <class _CharT, class _Traits> 795227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 796227825Stheravenbasic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode) 797227825Stheraven{ 798227825Stheraven if (__file_ == 0 || sync()) 799227825Stheraven return pos_type(off_type(-1)); 800227825Stheraven if (fseeko(__file_, __sp, SEEK_SET)) 801227825Stheraven return pos_type(off_type(-1)); 802227825Stheraven return __sp; 803227825Stheraven} 804227825Stheraven 805227825Stheraventemplate <class _CharT, class _Traits> 806227825Stheravenint 807227825Stheravenbasic_filebuf<_CharT, _Traits>::sync() 808227825Stheraven{ 809227825Stheraven if (__file_ == 0) 810227825Stheraven return 0; 811227825Stheraven if (__cm_ & ios_base::out) 812227825Stheraven { 813227825Stheraven if (this->pptr() != this->pbase()) 814227825Stheraven if (overflow() == traits_type::eof()) 815227825Stheraven return -1; 816227825Stheraven codecvt_base::result __r; 817227825Stheraven do 818227825Stheraven { 819227825Stheraven char* __extbe; 820227825Stheraven __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 821227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 822227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 823227825Stheraven return -1; 824227825Stheraven } while (__r == codecvt_base::partial); 825227825Stheraven if (__r == codecvt_base::error) 826227825Stheraven return -1; 827227825Stheraven if (fflush(__file_)) 828227825Stheraven return -1; 829227825Stheraven } 830227825Stheraven else if (__cm_ & ios_base::in) 831227825Stheraven { 832227825Stheraven off_type __c; 833227825Stheraven if (__always_noconv_) 834227825Stheraven __c = this->egptr() - this->gptr(); 835227825Stheraven else 836227825Stheraven { 837227825Stheraven int __width = __cv_->encoding(); 838227825Stheraven __c = __extbufend_ - __extbufnext_; 839227825Stheraven if (__width > 0) 840227825Stheraven __c += __width * (this->egptr() - this->gptr()); 841227825Stheraven else 842227825Stheraven { 843227825Stheraven if (this->gptr() != this->egptr()) 844227825Stheraven { 845227825Stheraven reverse(this->gptr(), this->egptr()); 846227825Stheraven codecvt_base::result __r; 847227825Stheraven const char_type* __e = this->gptr(); 848227825Stheraven char* __extbe; 849227825Stheraven do 850227825Stheraven { 851227825Stheraven __r = __cv_->out(__st_, __e, this->egptr(), __e, 852227825Stheraven __extbuf_, __extbuf_ + __ebs_, __extbe); 853227825Stheraven switch (__r) 854227825Stheraven { 855227825Stheraven case codecvt_base::noconv: 856227825Stheraven __c += this->egptr() - this->gptr(); 857227825Stheraven break; 858227825Stheraven case codecvt_base::ok: 859227825Stheraven case codecvt_base::partial: 860227825Stheraven __c += __extbe - __extbuf_; 861227825Stheraven break; 862227825Stheraven default: 863227825Stheraven return -1; 864227825Stheraven } 865227825Stheraven } while (__r == codecvt_base::partial); 866227825Stheraven } 867227825Stheraven } 868227825Stheraven } 869227825Stheraven if (fseeko(__file_, -__c, SEEK_CUR)) 870227825Stheraven return -1; 871227825Stheraven this->setg(0, 0, 0); 872227825Stheraven __cm_ = 0; 873227825Stheraven } 874227825Stheraven return 0; 875227825Stheraven} 876227825Stheraven 877227825Stheraventemplate <class _CharT, class _Traits> 878227825Stheravenvoid 879227825Stheravenbasic_filebuf<_CharT, _Traits>::imbue(const locale& __loc) 880227825Stheraven{ 881227825Stheraven sync(); 882227825Stheraven __cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc); 883227825Stheraven bool __old_anc = __always_noconv_; 884227825Stheraven __always_noconv_ = __cv_->always_noconv(); 885227825Stheraven if (__old_anc != __always_noconv_) 886227825Stheraven { 887227825Stheraven this->setg(0, 0, 0); 888227825Stheraven this->setp(0, 0); 889227825Stheraven // invariant, char_type is char, else we couldn't get here 890227825Stheraven if (__always_noconv_) // need to dump __intbuf_ 891227825Stheraven { 892227825Stheraven if (__owns_eb_) 893227825Stheraven delete [] __extbuf_; 894227825Stheraven __owns_eb_ = __owns_ib_; 895227825Stheraven __ebs_ = __ibs_; 896227825Stheraven __extbuf_ = (char*)__intbuf_; 897227825Stheraven __ibs_ = 0; 898227825Stheraven __intbuf_ = 0; 899227825Stheraven __owns_ib_ = false; 900227825Stheraven } 901227825Stheraven else // need to obtain an __intbuf_. 902227825Stheraven { // If __extbuf_ is user-supplied, use it, else new __intbuf_ 903227825Stheraven if (!__owns_eb_ && __extbuf_ != __extbuf_min_) 904227825Stheraven { 905227825Stheraven __ibs_ = __ebs_; 906227825Stheraven __intbuf_ = (char_type*)__extbuf_; 907227825Stheraven __owns_ib_ = false; 908227825Stheraven __extbuf_ = new char[__ebs_]; 909227825Stheraven __owns_eb_ = true; 910227825Stheraven } 911227825Stheraven else 912227825Stheraven { 913227825Stheraven __ibs_ = __ebs_; 914227825Stheraven __intbuf_ = new char_type[__ibs_]; 915227825Stheraven __owns_ib_ = true; 916227825Stheraven } 917227825Stheraven } 918227825Stheraven } 919227825Stheraven} 920227825Stheraven 921227825Stheraventemplate <class _CharT, class _Traits> 922227825Stheravenbool 923227825Stheravenbasic_filebuf<_CharT, _Traits>::__read_mode() 924227825Stheraven{ 925227825Stheraven if (!(__cm_ & ios_base::in)) 926227825Stheraven { 927227825Stheraven this->setp(0, 0); 928227825Stheraven if (__always_noconv_) 929227825Stheraven this->setg((char_type*)__extbuf_, 930227825Stheraven (char_type*)__extbuf_ + __ebs_, 931227825Stheraven (char_type*)__extbuf_ + __ebs_); 932227825Stheraven else 933227825Stheraven this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 934227825Stheraven __cm_ = ios_base::in; 935227825Stheraven return true; 936227825Stheraven } 937227825Stheraven return false; 938227825Stheraven} 939227825Stheraven 940227825Stheraventemplate <class _CharT, class _Traits> 941227825Stheravenvoid 942227825Stheravenbasic_filebuf<_CharT, _Traits>::__write_mode() 943227825Stheraven{ 944227825Stheraven if (!(__cm_ & ios_base::out)) 945227825Stheraven { 946227825Stheraven this->setg(0, 0, 0); 947227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 948227825Stheraven { 949227825Stheraven if (__always_noconv_) 950227825Stheraven this->setp((char_type*)__extbuf_, 951227825Stheraven (char_type*)__extbuf_ + (__ebs_ - 1)); 952227825Stheraven else 953227825Stheraven this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 954227825Stheraven } 955227825Stheraven else 956227825Stheraven this->setp(0, 0); 957227825Stheraven __cm_ = ios_base::out; 958227825Stheraven } 959227825Stheraven} 960227825Stheraven 961227825Stheraven// basic_ifstream 962227825Stheraven 963227825Stheraventemplate <class _CharT, class _Traits> 964227825Stheravenclass _LIBCPP_VISIBLE basic_ifstream 965227825Stheraven : public basic_istream<_CharT, _Traits> 966227825Stheraven{ 967227825Stheravenpublic: 968227825Stheraven typedef _CharT char_type; 969227825Stheraven typedef _Traits traits_type; 970227825Stheraven typedef typename traits_type::int_type int_type; 971227825Stheraven typedef typename traits_type::pos_type pos_type; 972227825Stheraven typedef typename traits_type::off_type off_type; 973227825Stheraven 974227825Stheraven basic_ifstream(); 975227825Stheraven explicit basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in); 976227825Stheraven explicit basic_ifstream(const string& __s, ios_base::openmode __mode = ios_base::in); 977227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 978227825Stheraven basic_ifstream(basic_ifstream&& __rhs); 979227825Stheraven#endif 980227825Stheraven 981227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 982227825Stheraven basic_ifstream& operator=(basic_ifstream&& __rhs); 983227825Stheraven#endif 984227825Stheraven void swap(basic_ifstream& __rhs); 985227825Stheraven 986227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 987227825Stheraven bool is_open() const; 988227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in); 989227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in); 990227825Stheraven void close(); 991227825Stheraven 992227825Stheravenprivate: 993227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 994227825Stheraven}; 995227825Stheraven 996227825Stheraventemplate <class _CharT, class _Traits> 997227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 998227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream() 999227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1000227825Stheraven{ 1001227825Stheraven} 1002227825Stheraven 1003227825Stheraventemplate <class _CharT, class _Traits> 1004227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1005227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base::openmode __mode) 1006227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1007227825Stheraven{ 1008227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1009227825Stheraven this->setstate(ios_base::failbit); 1010227825Stheraven} 1011227825Stheraven 1012227825Stheraventemplate <class _CharT, class _Traits> 1013227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1014227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::openmode __mode) 1015227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1016227825Stheraven{ 1017227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1018227825Stheraven this->setstate(ios_base::failbit); 1019227825Stheraven} 1020227825Stheraven 1021227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1022227825Stheraven 1023227825Stheraventemplate <class _CharT, class _Traits> 1024227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1025227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs) 1026227825Stheraven : basic_istream<char_type, traits_type>(_VSTD::move(__rhs)), 1027227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1028227825Stheraven{ 1029227825Stheraven this->set_rdbuf(&__sb_); 1030227825Stheraven} 1031227825Stheraven 1032227825Stheraventemplate <class _CharT, class _Traits> 1033227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1034227825Stheravenbasic_ifstream<_CharT, _Traits>& 1035227825Stheravenbasic_ifstream<_CharT, _Traits>::operator=(basic_ifstream&& __rhs) 1036227825Stheraven{ 1037227825Stheraven basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1038227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1039227825Stheraven return *this; 1040227825Stheraven} 1041227825Stheraven 1042227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1043227825Stheraven 1044227825Stheraventemplate <class _CharT, class _Traits> 1045227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1046227825Stheravenvoid 1047227825Stheravenbasic_ifstream<_CharT, _Traits>::swap(basic_ifstream& __rhs) 1048227825Stheraven{ 1049227825Stheraven basic_istream<char_type, traits_type>::swap(__rhs); 1050227825Stheraven __sb_.swap(__rhs.__sb_); 1051227825Stheraven} 1052227825Stheraven 1053227825Stheraventemplate <class _CharT, class _Traits> 1054227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1055227825Stheravenvoid 1056227825Stheravenswap(basic_ifstream<_CharT, _Traits>& __x, basic_ifstream<_CharT, _Traits>& __y) 1057227825Stheraven{ 1058227825Stheraven __x.swap(__y); 1059227825Stheraven} 1060227825Stheraven 1061227825Stheraventemplate <class _CharT, class _Traits> 1062227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1063227825Stheravenbasic_filebuf<_CharT, _Traits>* 1064227825Stheravenbasic_ifstream<_CharT, _Traits>::rdbuf() const 1065227825Stheraven{ 1066227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1067227825Stheraven} 1068227825Stheraven 1069227825Stheraventemplate <class _CharT, class _Traits> 1070227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1071227825Stheravenbool 1072227825Stheravenbasic_ifstream<_CharT, _Traits>::is_open() const 1073227825Stheraven{ 1074227825Stheraven return __sb_.is_open(); 1075227825Stheraven} 1076227825Stheraven 1077227825Stheraventemplate <class _CharT, class _Traits> 1078227825Stheravenvoid 1079227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1080227825Stheraven{ 1081227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1082227825Stheraven this->clear(); 1083227825Stheraven else 1084227825Stheraven this->setstate(ios_base::failbit); 1085227825Stheraven} 1086227825Stheraven 1087227825Stheraventemplate <class _CharT, class _Traits> 1088227825Stheravenvoid 1089227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1090227825Stheraven{ 1091227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1092227825Stheraven this->clear(); 1093227825Stheraven else 1094227825Stheraven this->setstate(ios_base::failbit); 1095227825Stheraven} 1096227825Stheraven 1097227825Stheraventemplate <class _CharT, class _Traits> 1098227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1099227825Stheravenvoid 1100227825Stheravenbasic_ifstream<_CharT, _Traits>::close() 1101227825Stheraven{ 1102227825Stheraven if (__sb_.close() == 0) 1103227825Stheraven this->setstate(ios_base::failbit); 1104227825Stheraven} 1105227825Stheraven 1106227825Stheraven// basic_ofstream 1107227825Stheraven 1108227825Stheraventemplate <class _CharT, class _Traits> 1109227825Stheravenclass _LIBCPP_VISIBLE basic_ofstream 1110227825Stheraven : public basic_ostream<_CharT, _Traits> 1111227825Stheraven{ 1112227825Stheravenpublic: 1113227825Stheraven typedef _CharT char_type; 1114227825Stheraven typedef _Traits traits_type; 1115227825Stheraven typedef typename traits_type::int_type int_type; 1116227825Stheraven typedef typename traits_type::pos_type pos_type; 1117227825Stheraven typedef typename traits_type::off_type off_type; 1118227825Stheraven 1119227825Stheraven basic_ofstream(); 1120227825Stheraven explicit basic_ofstream(const char* __s, ios_base::openmode __mode = ios_base::out); 1121227825Stheraven explicit basic_ofstream(const string& __s, ios_base::openmode __mode = ios_base::out); 1122227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1123227825Stheraven basic_ofstream(basic_ofstream&& __rhs); 1124227825Stheraven#endif 1125227825Stheraven 1126227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1127227825Stheraven basic_ofstream& operator=(basic_ofstream&& __rhs); 1128227825Stheraven#endif 1129227825Stheraven void swap(basic_ofstream& __rhs); 1130227825Stheraven 1131227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1132227825Stheraven bool is_open() const; 1133227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::out); 1134227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::out); 1135227825Stheraven void close(); 1136227825Stheraven 1137227825Stheravenprivate: 1138227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1139227825Stheraven}; 1140227825Stheraven 1141227825Stheraventemplate <class _CharT, class _Traits> 1142227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1143227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream() 1144227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1145227825Stheraven{ 1146227825Stheraven} 1147227825Stheraven 1148227825Stheraventemplate <class _CharT, class _Traits> 1149227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1150227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base::openmode __mode) 1151227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1152227825Stheraven{ 1153227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1154227825Stheraven this->setstate(ios_base::failbit); 1155227825Stheraven} 1156227825Stheraven 1157227825Stheraventemplate <class _CharT, class _Traits> 1158227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1159227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::openmode __mode) 1160227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1161227825Stheraven{ 1162227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1163227825Stheraven this->setstate(ios_base::failbit); 1164227825Stheraven} 1165227825Stheraven 1166227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1167227825Stheraven 1168227825Stheraventemplate <class _CharT, class _Traits> 1169227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1170227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs) 1171227825Stheraven : basic_ostream<char_type, traits_type>(_VSTD::move(__rhs)), 1172227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1173227825Stheraven{ 1174227825Stheraven this->set_rdbuf(&__sb_); 1175227825Stheraven} 1176227825Stheraven 1177227825Stheraventemplate <class _CharT, class _Traits> 1178227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1179227825Stheravenbasic_ofstream<_CharT, _Traits>& 1180227825Stheravenbasic_ofstream<_CharT, _Traits>::operator=(basic_ofstream&& __rhs) 1181227825Stheraven{ 1182227825Stheraven basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1183227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1184227825Stheraven return *this; 1185227825Stheraven} 1186227825Stheraven 1187227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1188227825Stheraven 1189227825Stheraventemplate <class _CharT, class _Traits> 1190227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1191227825Stheravenvoid 1192227825Stheravenbasic_ofstream<_CharT, _Traits>::swap(basic_ofstream& __rhs) 1193227825Stheraven{ 1194227825Stheraven basic_ostream<char_type, traits_type>::swap(__rhs); 1195227825Stheraven __sb_.swap(__rhs.__sb_); 1196227825Stheraven} 1197227825Stheraven 1198227825Stheraventemplate <class _CharT, class _Traits> 1199227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1200227825Stheravenvoid 1201227825Stheravenswap(basic_ofstream<_CharT, _Traits>& __x, basic_ofstream<_CharT, _Traits>& __y) 1202227825Stheraven{ 1203227825Stheraven __x.swap(__y); 1204227825Stheraven} 1205227825Stheraven 1206227825Stheraventemplate <class _CharT, class _Traits> 1207227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1208227825Stheravenbasic_filebuf<_CharT, _Traits>* 1209227825Stheravenbasic_ofstream<_CharT, _Traits>::rdbuf() const 1210227825Stheraven{ 1211227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1212227825Stheraven} 1213227825Stheraven 1214227825Stheraventemplate <class _CharT, class _Traits> 1215227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1216227825Stheravenbool 1217227825Stheravenbasic_ofstream<_CharT, _Traits>::is_open() const 1218227825Stheraven{ 1219227825Stheraven return __sb_.is_open(); 1220227825Stheraven} 1221227825Stheraven 1222227825Stheraventemplate <class _CharT, class _Traits> 1223227825Stheravenvoid 1224227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1225227825Stheraven{ 1226227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1227227825Stheraven this->clear(); 1228227825Stheraven else 1229227825Stheraven this->setstate(ios_base::failbit); 1230227825Stheraven} 1231227825Stheraven 1232227825Stheraventemplate <class _CharT, class _Traits> 1233227825Stheravenvoid 1234227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1235227825Stheraven{ 1236227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1237227825Stheraven this->clear(); 1238227825Stheraven else 1239227825Stheraven this->setstate(ios_base::failbit); 1240227825Stheraven} 1241227825Stheraven 1242227825Stheraventemplate <class _CharT, class _Traits> 1243227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1244227825Stheravenvoid 1245227825Stheravenbasic_ofstream<_CharT, _Traits>::close() 1246227825Stheraven{ 1247227825Stheraven if (__sb_.close() == 0) 1248227825Stheraven this->setstate(ios_base::failbit); 1249227825Stheraven} 1250227825Stheraven 1251227825Stheraven// basic_fstream 1252227825Stheraven 1253227825Stheraventemplate <class _CharT, class _Traits> 1254227825Stheravenclass _LIBCPP_VISIBLE basic_fstream 1255227825Stheraven : public basic_iostream<_CharT, _Traits> 1256227825Stheraven{ 1257227825Stheravenpublic: 1258227825Stheraven typedef _CharT char_type; 1259227825Stheraven typedef _Traits traits_type; 1260227825Stheraven typedef typename traits_type::int_type int_type; 1261227825Stheraven typedef typename traits_type::pos_type pos_type; 1262227825Stheraven typedef typename traits_type::off_type off_type; 1263227825Stheraven 1264227825Stheraven basic_fstream(); 1265227825Stheraven explicit basic_fstream(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1266227825Stheraven explicit basic_fstream(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1267227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1268227825Stheraven basic_fstream(basic_fstream&& __rhs); 1269227825Stheraven#endif 1270227825Stheraven 1271227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1272227825Stheraven basic_fstream& operator=(basic_fstream&& __rhs); 1273227825Stheraven#endif 1274227825Stheraven void swap(basic_fstream& __rhs); 1275227825Stheraven 1276227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1277227825Stheraven bool is_open() const; 1278227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1279227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1280227825Stheraven void close(); 1281227825Stheraven 1282227825Stheravenprivate: 1283227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1284227825Stheraven}; 1285227825Stheraven 1286227825Stheraventemplate <class _CharT, class _Traits> 1287227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1288227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream() 1289227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1290227825Stheraven{ 1291227825Stheraven} 1292227825Stheraven 1293227825Stheraventemplate <class _CharT, class _Traits> 1294227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1295227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::openmode __mode) 1296227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1297227825Stheraven{ 1298227825Stheraven if (__sb_.open(__s, __mode) == 0) 1299227825Stheraven this->setstate(ios_base::failbit); 1300227825Stheraven} 1301227825Stheraven 1302227825Stheraventemplate <class _CharT, class _Traits> 1303227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1304227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openmode __mode) 1305227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1306227825Stheraven{ 1307227825Stheraven if (__sb_.open(__s, __mode) == 0) 1308227825Stheraven this->setstate(ios_base::failbit); 1309227825Stheraven} 1310227825Stheraven 1311227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1312227825Stheraven 1313227825Stheraventemplate <class _CharT, class _Traits> 1314227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1315227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs) 1316227825Stheraven : basic_iostream<char_type, traits_type>(_VSTD::move(__rhs)), 1317227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1318227825Stheraven{ 1319227825Stheraven this->set_rdbuf(&__sb_); 1320227825Stheraven} 1321227825Stheraven 1322227825Stheraventemplate <class _CharT, class _Traits> 1323227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1324227825Stheravenbasic_fstream<_CharT, _Traits>& 1325227825Stheravenbasic_fstream<_CharT, _Traits>::operator=(basic_fstream&& __rhs) 1326227825Stheraven{ 1327227825Stheraven basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1328227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1329227825Stheraven return *this; 1330227825Stheraven} 1331227825Stheraven 1332227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1333227825Stheraven 1334227825Stheraventemplate <class _CharT, class _Traits> 1335227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1336227825Stheravenvoid 1337227825Stheravenbasic_fstream<_CharT, _Traits>::swap(basic_fstream& __rhs) 1338227825Stheraven{ 1339227825Stheraven basic_iostream<char_type, traits_type>::swap(__rhs); 1340227825Stheraven __sb_.swap(__rhs.__sb_); 1341227825Stheraven} 1342227825Stheraven 1343227825Stheraventemplate <class _CharT, class _Traits> 1344227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1345227825Stheravenvoid 1346227825Stheravenswap(basic_fstream<_CharT, _Traits>& __x, basic_fstream<_CharT, _Traits>& __y) 1347227825Stheraven{ 1348227825Stheraven __x.swap(__y); 1349227825Stheraven} 1350227825Stheraven 1351227825Stheraventemplate <class _CharT, class _Traits> 1352227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1353227825Stheravenbasic_filebuf<_CharT, _Traits>* 1354227825Stheravenbasic_fstream<_CharT, _Traits>::rdbuf() const 1355227825Stheraven{ 1356227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1357227825Stheraven} 1358227825Stheraven 1359227825Stheraventemplate <class _CharT, class _Traits> 1360227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1361227825Stheravenbool 1362227825Stheravenbasic_fstream<_CharT, _Traits>::is_open() const 1363227825Stheraven{ 1364227825Stheraven return __sb_.is_open(); 1365227825Stheraven} 1366227825Stheraven 1367227825Stheraventemplate <class _CharT, class _Traits> 1368227825Stheravenvoid 1369227825Stheravenbasic_fstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1370227825Stheraven{ 1371227825Stheraven if (__sb_.open(__s, __mode)) 1372227825Stheraven this->clear(); 1373227825Stheraven else 1374227825Stheraven this->setstate(ios_base::failbit); 1375227825Stheraven} 1376227825Stheraven 1377227825Stheraventemplate <class _CharT, class _Traits> 1378227825Stheravenvoid 1379227825Stheravenbasic_fstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1380227825Stheraven{ 1381227825Stheraven if (__sb_.open(__s, __mode)) 1382227825Stheraven this->clear(); 1383227825Stheraven else 1384227825Stheraven this->setstate(ios_base::failbit); 1385227825Stheraven} 1386227825Stheraven 1387227825Stheraventemplate <class _CharT, class _Traits> 1388227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1389227825Stheravenvoid 1390227825Stheravenbasic_fstream<_CharT, _Traits>::close() 1391227825Stheraven{ 1392227825Stheraven if (__sb_.close() == 0) 1393227825Stheraven this->setstate(ios_base::failbit); 1394227825Stheraven} 1395227825Stheraven 1396227825Stheraven_LIBCPP_END_NAMESPACE_STD 1397227825Stheraven 1398227825Stheraven#endif // _LIBCPP_FSTREAM 1399