fstream revision 227825
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 174227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 175227825Stheraven#pragma GCC system_header 176227825Stheraven#endif 177227825Stheraven 178227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 179227825Stheraven 180227825Stheraventemplate <class _CharT, class _Traits> 181227825Stheravenclass _LIBCPP_VISIBLE basic_filebuf 182227825Stheraven : public basic_streambuf<_CharT, _Traits> 183227825Stheraven{ 184227825Stheravenpublic: 185227825Stheraven typedef _CharT char_type; 186227825Stheraven typedef _Traits traits_type; 187227825Stheraven typedef typename traits_type::int_type int_type; 188227825Stheraven typedef typename traits_type::pos_type pos_type; 189227825Stheraven typedef typename traits_type::off_type off_type; 190227825Stheraven typedef typename traits_type::state_type state_type; 191227825Stheraven 192227825Stheraven // 27.9.1.2 Constructors/destructor: 193227825Stheraven basic_filebuf(); 194227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 195227825Stheraven basic_filebuf(basic_filebuf&& __rhs); 196227825Stheraven#endif 197227825Stheraven virtual ~basic_filebuf(); 198227825Stheraven 199227825Stheraven // 27.9.1.3 Assign/swap: 200227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 201227825Stheraven basic_filebuf& operator=(basic_filebuf&& __rhs); 202227825Stheraven#endif 203227825Stheraven void swap(basic_filebuf& __rhs); 204227825Stheraven 205227825Stheraven // 27.9.1.4 Members: 206227825Stheraven bool is_open() const; 207227825Stheraven basic_filebuf* open(const char* __s, ios_base::openmode __mode); 208227825Stheraven basic_filebuf* open(const string& __s, ios_base::openmode __mode); 209227825Stheraven basic_filebuf* close(); 210227825Stheraven 211227825Stheravenprotected: 212227825Stheraven // 27.9.1.5 Overridden virtual functions: 213227825Stheraven virtual int_type underflow(); 214227825Stheraven virtual int_type pbackfail(int_type __c = traits_type::eof()); 215227825Stheraven virtual int_type overflow (int_type __c = traits_type::eof()); 216227825Stheraven virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, streamsize __n); 217227825Stheraven virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 218227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 219227825Stheraven virtual pos_type seekpos(pos_type __sp, 220227825Stheraven ios_base::openmode __wch = ios_base::in | ios_base::out); 221227825Stheraven virtual int sync(); 222227825Stheraven virtual void imbue(const locale& __loc); 223227825Stheraven 224227825Stheravenprivate: 225227825Stheraven char* __extbuf_; 226227825Stheraven const char* __extbufnext_; 227227825Stheraven const char* __extbufend_; 228227825Stheraven char __extbuf_min_[8]; 229227825Stheraven size_t __ebs_; 230227825Stheraven char_type* __intbuf_; 231227825Stheraven size_t __ibs_; 232227825Stheraven FILE* __file_; 233227825Stheraven const codecvt<char_type, char, state_type>* __cv_; 234227825Stheraven state_type __st_; 235227825Stheraven ios_base::openmode __om_; 236227825Stheraven ios_base::openmode __cm_; 237227825Stheraven bool __owns_eb_; 238227825Stheraven bool __owns_ib_; 239227825Stheraven bool __always_noconv_; 240227825Stheraven 241227825Stheraven bool __read_mode(); 242227825Stheraven void __write_mode(); 243227825Stheraven}; 244227825Stheraven 245227825Stheraventemplate <class _CharT, class _Traits> 246227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf() 247227825Stheraven : __extbuf_(0), 248227825Stheraven __extbufnext_(0), 249227825Stheraven __extbufend_(0), 250227825Stheraven __ebs_(0), 251227825Stheraven __intbuf_(0), 252227825Stheraven __ibs_(0), 253227825Stheraven __file_(0), 254227825Stheraven __cv_(&use_facet<codecvt<char_type, char, state_type> >(this->getloc())), 255227825Stheraven __st_(), 256227825Stheraven __om_(0), 257227825Stheraven __cm_(0), 258227825Stheraven __owns_eb_(false), 259227825Stheraven __owns_ib_(false), 260227825Stheraven __always_noconv_(__cv_->always_noconv()) 261227825Stheraven{ 262227825Stheraven setbuf(0, 4096); 263227825Stheraven} 264227825Stheraven 265227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 266227825Stheraven 267227825Stheraventemplate <class _CharT, class _Traits> 268227825Stheravenbasic_filebuf<_CharT, _Traits>::basic_filebuf(basic_filebuf&& __rhs) 269227825Stheraven : basic_streambuf<_CharT, _Traits>(__rhs) 270227825Stheraven{ 271227825Stheraven if (__rhs.__extbuf_ == __rhs.__extbuf_min_) 272227825Stheraven { 273227825Stheraven __extbuf_ = __extbuf_min_; 274227825Stheraven __extbufnext_ = __extbuf_ + (__rhs.__extbufnext_ - __rhs.__extbuf_); 275227825Stheraven __extbufend_ = __extbuf_ + (__rhs.__extbufend_ - __rhs.__extbuf_); 276227825Stheraven } 277227825Stheraven else 278227825Stheraven { 279227825Stheraven __extbuf_ = __rhs.__extbuf_; 280227825Stheraven __extbufnext_ = __rhs.__extbufnext_; 281227825Stheraven __extbufend_ = __rhs.__extbufend_; 282227825Stheraven } 283227825Stheraven __ebs_ = __rhs.__ebs_; 284227825Stheraven __intbuf_ = __rhs.__intbuf_; 285227825Stheraven __ibs_ = __rhs.__ibs_; 286227825Stheraven __file_ = __rhs.__file_; 287227825Stheraven __cv_ = __rhs.__cv_; 288227825Stheraven __st_ = __rhs.__st_; 289227825Stheraven __om_ = __rhs.__om_; 290227825Stheraven __cm_ = __rhs.__cm_; 291227825Stheraven __owns_eb_ = __rhs.__owns_eb_; 292227825Stheraven __owns_ib_ = __rhs.__owns_ib_; 293227825Stheraven __always_noconv_ = __rhs.__always_noconv_; 294227825Stheraven if (__rhs.pbase()) 295227825Stheraven { 296227825Stheraven if (__rhs.pbase() == __rhs.__intbuf_) 297227825Stheraven this->setp(__intbuf_, __intbuf_ + (__rhs. epptr() - __rhs.pbase())); 298227825Stheraven else 299227825Stheraven this->setp((char_type*)__extbuf_, 300227825Stheraven (char_type*)__extbuf_ + (__rhs. epptr() - __rhs.pbase())); 301227825Stheraven this->pbump(__rhs. pptr() - __rhs.pbase()); 302227825Stheraven } 303227825Stheraven else if (__rhs.eback()) 304227825Stheraven { 305227825Stheraven if (__rhs.eback() == __rhs.__intbuf_) 306227825Stheraven this->setg(__intbuf_, __intbuf_ + (__rhs.gptr() - __rhs.eback()), 307227825Stheraven __intbuf_ + (__rhs.egptr() - __rhs.eback())); 308227825Stheraven else 309227825Stheraven this->setg((char_type*)__extbuf_, 310227825Stheraven (char_type*)__extbuf_ + (__rhs.gptr() - __rhs.eback()), 311227825Stheraven (char_type*)__extbuf_ + (__rhs.egptr() - __rhs.eback())); 312227825Stheraven } 313227825Stheraven __rhs.__extbuf_ = 0; 314227825Stheraven __rhs.__extbufnext_ = 0; 315227825Stheraven __rhs.__extbufend_ = 0; 316227825Stheraven __rhs.__ebs_ = 0; 317227825Stheraven __rhs.__intbuf_ = 0; 318227825Stheraven __rhs.__ibs_ = 0; 319227825Stheraven __rhs.__file_ = 0; 320227825Stheraven __rhs.__st_ = state_type(); 321227825Stheraven __rhs.__om_ = 0; 322227825Stheraven __rhs.__cm_ = 0; 323227825Stheraven __rhs.__owns_eb_ = false; 324227825Stheraven __rhs.__owns_ib_ = false; 325227825Stheraven __rhs.setg(0, 0, 0); 326227825Stheraven __rhs.setp(0, 0); 327227825Stheraven} 328227825Stheraven 329227825Stheraventemplate <class _CharT, class _Traits> 330227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 331227825Stheravenbasic_filebuf<_CharT, _Traits>& 332227825Stheravenbasic_filebuf<_CharT, _Traits>::operator=(basic_filebuf&& __rhs) 333227825Stheraven{ 334227825Stheraven close(); 335227825Stheraven swap(__rhs); 336227825Stheraven} 337227825Stheraven 338227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 339227825Stheraven 340227825Stheraventemplate <class _CharT, class _Traits> 341227825Stheravenbasic_filebuf<_CharT, _Traits>::~basic_filebuf() 342227825Stheraven{ 343227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 344227825Stheraven try 345227825Stheraven { 346227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 347227825Stheraven close(); 348227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 349227825Stheraven } 350227825Stheraven catch (...) 351227825Stheraven { 352227825Stheraven } 353227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 354227825Stheraven if (__owns_eb_) 355227825Stheraven delete [] __extbuf_; 356227825Stheraven if (__owns_ib_) 357227825Stheraven delete [] __intbuf_; 358227825Stheraven} 359227825Stheraven 360227825Stheraventemplate <class _CharT, class _Traits> 361227825Stheravenvoid 362227825Stheravenbasic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs) 363227825Stheraven{ 364227825Stheraven basic_streambuf<char_type, traits_type>::swap(__rhs); 365227825Stheraven if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 366227825Stheraven { 367227825Stheraven _VSTD::swap(__extbuf_, __rhs.__extbuf_); 368227825Stheraven _VSTD::swap(__extbufnext_, __rhs.__extbufnext_); 369227825Stheraven _VSTD::swap(__extbufend_, __rhs.__extbufend_); 370227825Stheraven } 371227825Stheraven else 372227825Stheraven { 373227825Stheraven ptrdiff_t __ln = __extbufnext_ - __extbuf_; 374227825Stheraven ptrdiff_t __le = __extbufend_ - __extbuf_; 375227825Stheraven ptrdiff_t __rn = __rhs.__extbufnext_ - __rhs.__extbuf_; 376227825Stheraven ptrdiff_t __re = __rhs.__extbufend_ - __rhs.__extbuf_; 377227825Stheraven if (__extbuf_ == __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) 378227825Stheraven { 379227825Stheraven __extbuf_ = __rhs.__extbuf_; 380227825Stheraven __rhs.__extbuf_ = __rhs.__extbuf_min_; 381227825Stheraven } 382227825Stheraven else if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ == __rhs.__extbuf_min_) 383227825Stheraven { 384227825Stheraven __rhs.__extbuf_ = __extbuf_; 385227825Stheraven __extbuf_ = __extbuf_min_; 386227825Stheraven } 387227825Stheraven __extbufnext_ = __extbuf_ + __rn; 388227825Stheraven __extbufend_ = __extbuf_ + __re; 389227825Stheraven __rhs.__extbufnext_ = __rhs.__extbuf_ + __ln; 390227825Stheraven __rhs.__extbufend_ = __rhs.__extbuf_ + __le; 391227825Stheraven } 392227825Stheraven _VSTD::swap(__ebs_, __rhs.__ebs_); 393227825Stheraven _VSTD::swap(__intbuf_, __rhs.__intbuf_); 394227825Stheraven _VSTD::swap(__ibs_, __rhs.__ibs_); 395227825Stheraven _VSTD::swap(__file_, __rhs.__file_); 396227825Stheraven _VSTD::swap(__cv_, __rhs.__cv_); 397227825Stheraven _VSTD::swap(__st_, __rhs.__st_); 398227825Stheraven _VSTD::swap(__om_, __rhs.__om_); 399227825Stheraven _VSTD::swap(__cm_, __rhs.__cm_); 400227825Stheraven _VSTD::swap(__owns_eb_, __rhs.__owns_eb_); 401227825Stheraven _VSTD::swap(__owns_ib_, __rhs.__owns_ib_); 402227825Stheraven _VSTD::swap(__always_noconv_, __rhs.__always_noconv_); 403227825Stheraven if (this->eback() == (char_type*)__rhs.__extbuf_min_) 404227825Stheraven { 405227825Stheraven ptrdiff_t __n = this->gptr() - this->eback(); 406227825Stheraven ptrdiff_t __e = this->egptr() - this->eback(); 407227825Stheraven this->setg((char_type*)__extbuf_min_, 408227825Stheraven (char_type*)__extbuf_min_ + __n, 409227825Stheraven (char_type*)__extbuf_min_ + __e); 410227825Stheraven } 411227825Stheraven else if (this->pbase() == (char_type*)__rhs.__extbuf_min_) 412227825Stheraven { 413227825Stheraven ptrdiff_t __n = this->pptr() - this->pbase(); 414227825Stheraven ptrdiff_t __e = this->epptr() - this->pbase(); 415227825Stheraven this->setp((char_type*)__extbuf_min_, 416227825Stheraven (char_type*)__extbuf_min_ + __e); 417227825Stheraven this->pbump(__n); 418227825Stheraven } 419227825Stheraven if (__rhs.eback() == (char_type*)__extbuf_min_) 420227825Stheraven { 421227825Stheraven ptrdiff_t __n = __rhs.gptr() - __rhs.eback(); 422227825Stheraven ptrdiff_t __e = __rhs.egptr() - __rhs.eback(); 423227825Stheraven __rhs.setg((char_type*)__rhs.__extbuf_min_, 424227825Stheraven (char_type*)__rhs.__extbuf_min_ + __n, 425227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 426227825Stheraven } 427227825Stheraven else if (__rhs.pbase() == (char_type*)__extbuf_min_) 428227825Stheraven { 429227825Stheraven ptrdiff_t __n = __rhs.pptr() - __rhs.pbase(); 430227825Stheraven ptrdiff_t __e = __rhs.epptr() - __rhs.pbase(); 431227825Stheraven __rhs.setp((char_type*)__rhs.__extbuf_min_, 432227825Stheraven (char_type*)__rhs.__extbuf_min_ + __e); 433227825Stheraven __rhs.pbump(__n); 434227825Stheraven } 435227825Stheraven} 436227825Stheraven 437227825Stheraventemplate <class _CharT, class _Traits> 438227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 439227825Stheravenvoid 440227825Stheravenswap(basic_filebuf<_CharT, _Traits>& __x, basic_filebuf<_CharT, _Traits>& __y) 441227825Stheraven{ 442227825Stheraven __x.swap(__y); 443227825Stheraven} 444227825Stheraven 445227825Stheraventemplate <class _CharT, class _Traits> 446227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 447227825Stheravenbool 448227825Stheravenbasic_filebuf<_CharT, _Traits>::is_open() const 449227825Stheraven{ 450227825Stheraven return __file_ != 0; 451227825Stheraven} 452227825Stheraven 453227825Stheraventemplate <class _CharT, class _Traits> 454227825Stheravenbasic_filebuf<_CharT, _Traits>* 455227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 456227825Stheraven{ 457227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 458227825Stheraven if (__file_ == 0) 459227825Stheraven { 460227825Stheraven __rt = this; 461227825Stheraven const char* __mdstr; 462227825Stheraven switch (__mode & ~ios_base::ate) 463227825Stheraven { 464227825Stheraven case ios_base::out: 465227825Stheraven case ios_base::out | ios_base::trunc: 466227825Stheraven __mdstr = "w"; 467227825Stheraven break; 468227825Stheraven case ios_base::out | ios_base::app: 469227825Stheraven case ios_base::app: 470227825Stheraven __mdstr = "a"; 471227825Stheraven break; 472227825Stheraven case ios_base::in: 473227825Stheraven __mdstr = "r"; 474227825Stheraven break; 475227825Stheraven case ios_base::in | ios_base::out: 476227825Stheraven __mdstr = "r+"; 477227825Stheraven break; 478227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc: 479227825Stheraven __mdstr = "w+"; 480227825Stheraven break; 481227825Stheraven case ios_base::in | ios_base::out | ios_base::app: 482227825Stheraven case ios_base::in | ios_base::app: 483227825Stheraven __mdstr = "a+"; 484227825Stheraven break; 485227825Stheraven case ios_base::out | ios_base::binary: 486227825Stheraven case ios_base::out | ios_base::trunc | ios_base::binary: 487227825Stheraven __mdstr = "wb"; 488227825Stheraven break; 489227825Stheraven case ios_base::out | ios_base::app | ios_base::binary: 490227825Stheraven case ios_base::app | ios_base::binary: 491227825Stheraven __mdstr = "ab"; 492227825Stheraven break; 493227825Stheraven case ios_base::in | ios_base::binary: 494227825Stheraven __mdstr = "rb"; 495227825Stheraven break; 496227825Stheraven case ios_base::in | ios_base::out | ios_base::binary: 497227825Stheraven __mdstr = "r+b"; 498227825Stheraven break; 499227825Stheraven case ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary: 500227825Stheraven __mdstr = "w+b"; 501227825Stheraven break; 502227825Stheraven case ios_base::in | ios_base::out | ios_base::app | ios_base::binary: 503227825Stheraven case ios_base::in | ios_base::app | ios_base::binary: 504227825Stheraven __mdstr = "a+b"; 505227825Stheraven break; 506227825Stheraven default: 507227825Stheraven __rt = 0; 508227825Stheraven break; 509227825Stheraven } 510227825Stheraven if (__rt) 511227825Stheraven { 512227825Stheraven __file_ = fopen(__s, __mdstr); 513227825Stheraven if (__file_) 514227825Stheraven { 515227825Stheraven __om_ = __mode; 516227825Stheraven if (__mode & ios_base::ate) 517227825Stheraven { 518227825Stheraven if (fseek(__file_, 0, SEEK_END)) 519227825Stheraven { 520227825Stheraven fclose(__file_); 521227825Stheraven __file_ = 0; 522227825Stheraven __rt = 0; 523227825Stheraven } 524227825Stheraven } 525227825Stheraven } 526227825Stheraven else 527227825Stheraven __rt = 0; 528227825Stheraven } 529227825Stheraven } 530227825Stheraven return __rt; 531227825Stheraven} 532227825Stheraven 533227825Stheraventemplate <class _CharT, class _Traits> 534227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 535227825Stheravenbasic_filebuf<_CharT, _Traits>* 536227825Stheravenbasic_filebuf<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 537227825Stheraven{ 538227825Stheraven return open(__s.c_str(), __mode); 539227825Stheraven} 540227825Stheraven 541227825Stheraventemplate <class _CharT, class _Traits> 542227825Stheravenbasic_filebuf<_CharT, _Traits>* 543227825Stheravenbasic_filebuf<_CharT, _Traits>::close() 544227825Stheraven{ 545227825Stheraven basic_filebuf<_CharT, _Traits>* __rt = 0; 546227825Stheraven if (__file_) 547227825Stheraven { 548227825Stheraven __rt = this; 549227825Stheraven unique_ptr<FILE, int(*)(FILE*)> __h(__file_, fclose); 550227825Stheraven if ((__cm_ & ios_base::out) && sync()) 551227825Stheraven __rt = 0; 552227825Stheraven if (fclose(__h.release()) == 0) 553227825Stheraven __file_ = 0; 554227825Stheraven else 555227825Stheraven __rt = 0; 556227825Stheraven } 557227825Stheraven return __rt; 558227825Stheraven} 559227825Stheraven 560227825Stheraventemplate <class _CharT, class _Traits> 561227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 562227825Stheravenbasic_filebuf<_CharT, _Traits>::underflow() 563227825Stheraven{ 564227825Stheraven if (__file_ == 0) 565227825Stheraven return traits_type::eof(); 566227825Stheraven bool __initial = __read_mode(); 567227825Stheraven char_type __1buf; 568227825Stheraven if (this->gptr() == 0) 569227825Stheraven this->setg(&__1buf, &__1buf+1, &__1buf+1); 570227825Stheraven const size_t __unget_sz = __initial ? 0 : min<size_t>((this->egptr() - this->eback()) / 2, 4); 571227825Stheraven int_type __c = traits_type::eof(); 572227825Stheraven if (this->gptr() == this->egptr()) 573227825Stheraven { 574227825Stheraven memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 575227825Stheraven if (__always_noconv_) 576227825Stheraven { 577227825Stheraven size_t __nmemb = static_cast<size_t>(this->egptr() - this->eback() - __unget_sz); 578227825Stheraven __nmemb = fread(this->eback() + __unget_sz, 1, __nmemb, __file_); 579227825Stheraven if (__nmemb != 0) 580227825Stheraven { 581227825Stheraven this->setg(this->eback(), 582227825Stheraven this->eback() + __unget_sz, 583227825Stheraven this->eback() + __unget_sz + __nmemb); 584227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 585227825Stheraven } 586227825Stheraven } 587227825Stheraven else 588227825Stheraven { 589227825Stheraven memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 590227825Stheraven __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 591227825Stheraven __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 592227825Stheraven size_t __nmemb = _VSTD::min(static_cast<size_t>(this->egptr() - this->eback() - __unget_sz), 593227825Stheraven static_cast<size_t>(__extbufend_ - __extbufnext_)); 594227825Stheraven codecvt_base::result __r; 595227825Stheraven state_type __svs = __st_; 596227825Stheraven size_t __nr = fread((void*)__extbufnext_, 1, __nmemb, __file_); 597227825Stheraven if (__nr != 0) 598227825Stheraven { 599227825Stheraven __extbufend_ = __extbufnext_ + __nr; 600227825Stheraven char_type* __inext; 601227825Stheraven __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 602227825Stheraven this->eback() + __unget_sz, 603227825Stheraven this->egptr(), __inext); 604227825Stheraven if (__r == codecvt_base::noconv) 605227825Stheraven { 606227825Stheraven this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, (char_type*)__extbufend_); 607227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 608227825Stheraven } 609227825Stheraven else if (__inext != this->eback() + __unget_sz) 610227825Stheraven { 611227825Stheraven this->setg(this->eback(), this->eback() + __unget_sz, __inext); 612227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 613227825Stheraven } 614227825Stheraven } 615227825Stheraven } 616227825Stheraven } 617227825Stheraven else 618227825Stheraven __c = traits_type::to_int_type(*this->gptr()); 619227825Stheraven if (this->eback() == &__1buf) 620227825Stheraven this->setg(0, 0, 0); 621227825Stheraven return __c; 622227825Stheraven} 623227825Stheraven 624227825Stheraventemplate <class _CharT, class _Traits> 625227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 626227825Stheravenbasic_filebuf<_CharT, _Traits>::pbackfail(int_type __c) 627227825Stheraven{ 628227825Stheraven if (__file_ && this->eback() < this->gptr()) 629227825Stheraven { 630227825Stheraven if (traits_type::eq_int_type(__c, traits_type::eof())) 631227825Stheraven { 632227825Stheraven this->gbump(-1); 633227825Stheraven return traits_type::not_eof(__c); 634227825Stheraven } 635227825Stheraven if ((__om_ & ios_base::out) || 636227825Stheraven traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 637227825Stheraven { 638227825Stheraven this->gbump(-1); 639227825Stheraven *this->gptr() = traits_type::to_char_type(__c); 640227825Stheraven return __c; 641227825Stheraven } 642227825Stheraven } 643227825Stheraven return traits_type::eof(); 644227825Stheraven} 645227825Stheraven 646227825Stheraventemplate <class _CharT, class _Traits> 647227825Stheraventypename basic_filebuf<_CharT, _Traits>::int_type 648227825Stheravenbasic_filebuf<_CharT, _Traits>::overflow(int_type __c) 649227825Stheraven{ 650227825Stheraven if (__file_ == 0) 651227825Stheraven return traits_type::eof(); 652227825Stheraven __write_mode(); 653227825Stheraven char_type __1buf; 654227825Stheraven char_type* __pb_save = this->pbase(); 655227825Stheraven char_type* __epb_save = this->epptr(); 656227825Stheraven if (!traits_type::eq_int_type(__c, traits_type::eof())) 657227825Stheraven { 658227825Stheraven if (this->pptr() == 0) 659227825Stheraven this->setp(&__1buf, &__1buf+1); 660227825Stheraven *this->pptr() = traits_type::to_char_type(__c); 661227825Stheraven this->pbump(1); 662227825Stheraven } 663227825Stheraven if (this->pptr() != this->pbase()) 664227825Stheraven { 665227825Stheraven if (__always_noconv_) 666227825Stheraven { 667227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 668227825Stheraven if (fwrite(this->pbase(), sizeof(char_type), __nmemb, __file_) != __nmemb) 669227825Stheraven return traits_type::eof(); 670227825Stheraven } 671227825Stheraven else 672227825Stheraven { 673227825Stheraven char* __extbe = __extbuf_; 674227825Stheraven codecvt_base::result __r; 675227825Stheraven do 676227825Stheraven { 677227825Stheraven const char_type* __e; 678227825Stheraven __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 679227825Stheraven __extbuf_, __extbuf_ + __ebs_, __extbe); 680227825Stheraven if (__e == this->pbase()) 681227825Stheraven return traits_type::eof(); 682227825Stheraven if (__r == codecvt_base::noconv) 683227825Stheraven { 684227825Stheraven size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 685227825Stheraven if (fwrite(this->pbase(), 1, __nmemb, __file_) != __nmemb) 686227825Stheraven return traits_type::eof(); 687227825Stheraven } 688227825Stheraven else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 689227825Stheraven { 690227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 691227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 692227825Stheraven return traits_type::eof(); 693227825Stheraven if (__r == codecvt_base::partial) 694227825Stheraven { 695227825Stheraven this->setp((char_type*)__e, this->pptr()); 696227825Stheraven this->pbump(this->epptr() - this->pbase()); 697227825Stheraven } 698227825Stheraven } 699227825Stheraven else 700227825Stheraven return traits_type::eof(); 701227825Stheraven } while (__r == codecvt_base::partial); 702227825Stheraven } 703227825Stheraven this->setp(__pb_save, __epb_save); 704227825Stheraven } 705227825Stheraven return traits_type::not_eof(__c); 706227825Stheraven} 707227825Stheraven 708227825Stheraventemplate <class _CharT, class _Traits> 709227825Stheravenbasic_streambuf<_CharT, _Traits>* 710227825Stheravenbasic_filebuf<_CharT, _Traits>::setbuf(char_type* __s, streamsize __n) 711227825Stheraven{ 712227825Stheraven this->setg(0, 0, 0); 713227825Stheraven this->setp(0, 0); 714227825Stheraven if (__owns_eb_) 715227825Stheraven delete [] __extbuf_; 716227825Stheraven if (__owns_ib_) 717227825Stheraven delete [] __intbuf_; 718227825Stheraven __ebs_ = __n; 719227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 720227825Stheraven { 721227825Stheraven if (__always_noconv_ && __s) 722227825Stheraven { 723227825Stheraven __extbuf_ = (char*)__s; 724227825Stheraven __owns_eb_ = false; 725227825Stheraven } 726227825Stheraven else 727227825Stheraven { 728227825Stheraven __extbuf_ = new char[__ebs_]; 729227825Stheraven __owns_eb_ = true; 730227825Stheraven } 731227825Stheraven } 732227825Stheraven else 733227825Stheraven { 734227825Stheraven __extbuf_ = __extbuf_min_; 735227825Stheraven __ebs_ = sizeof(__extbuf_min_); 736227825Stheraven __owns_eb_ = false; 737227825Stheraven } 738227825Stheraven if (!__always_noconv_) 739227825Stheraven { 740227825Stheraven __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 741227825Stheraven if (__s && __ibs_ >= sizeof(__extbuf_min_)) 742227825Stheraven { 743227825Stheraven __intbuf_ = __s; 744227825Stheraven __owns_ib_ = false; 745227825Stheraven } 746227825Stheraven else 747227825Stheraven { 748227825Stheraven __intbuf_ = new char_type[__ibs_]; 749227825Stheraven __owns_ib_ = true; 750227825Stheraven } 751227825Stheraven } 752227825Stheraven else 753227825Stheraven { 754227825Stheraven __ibs_ = 0; 755227825Stheraven __intbuf_ = 0; 756227825Stheraven __owns_ib_ = false; 757227825Stheraven } 758227825Stheraven return this; 759227825Stheraven} 760227825Stheraven 761227825Stheraventemplate <class _CharT, class _Traits> 762227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 763227825Stheravenbasic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way, 764227825Stheraven ios_base::openmode) 765227825Stheraven{ 766227825Stheraven int __width = __cv_->encoding(); 767227825Stheraven if (__file_ == 0 || (__width <= 0 && __off != 0) || sync()) 768227825Stheraven return pos_type(off_type(-1)); 769227825Stheraven // __width > 0 || __off == 0 770227825Stheraven int __whence; 771227825Stheraven switch (__way) 772227825Stheraven { 773227825Stheraven case ios_base::beg: 774227825Stheraven __whence = SEEK_SET; 775227825Stheraven break; 776227825Stheraven case ios_base::cur: 777227825Stheraven __whence = SEEK_CUR; 778227825Stheraven break; 779227825Stheraven case ios_base::end: 780227825Stheraven __whence = SEEK_END; 781227825Stheraven break; 782227825Stheraven default: 783227825Stheraven return pos_type(off_type(-1)); 784227825Stheraven } 785227825Stheraven if (fseeko(__file_, __width > 0 ? __width * __off : 0, __whence)) 786227825Stheraven return pos_type(off_type(-1)); 787227825Stheraven pos_type __r = ftello(__file_); 788227825Stheraven __r.state(__st_); 789227825Stheraven return __r; 790227825Stheraven} 791227825Stheraven 792227825Stheraventemplate <class _CharT, class _Traits> 793227825Stheraventypename basic_filebuf<_CharT, _Traits>::pos_type 794227825Stheravenbasic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode) 795227825Stheraven{ 796227825Stheraven if (__file_ == 0 || sync()) 797227825Stheraven return pos_type(off_type(-1)); 798227825Stheraven if (fseeko(__file_, __sp, SEEK_SET)) 799227825Stheraven return pos_type(off_type(-1)); 800227825Stheraven return __sp; 801227825Stheraven} 802227825Stheraven 803227825Stheraventemplate <class _CharT, class _Traits> 804227825Stheravenint 805227825Stheravenbasic_filebuf<_CharT, _Traits>::sync() 806227825Stheraven{ 807227825Stheraven if (__file_ == 0) 808227825Stheraven return 0; 809227825Stheraven if (__cm_ & ios_base::out) 810227825Stheraven { 811227825Stheraven if (this->pptr() != this->pbase()) 812227825Stheraven if (overflow() == traits_type::eof()) 813227825Stheraven return -1; 814227825Stheraven codecvt_base::result __r; 815227825Stheraven do 816227825Stheraven { 817227825Stheraven char* __extbe; 818227825Stheraven __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 819227825Stheraven size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); 820227825Stheraven if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) 821227825Stheraven return -1; 822227825Stheraven } while (__r == codecvt_base::partial); 823227825Stheraven if (__r == codecvt_base::error) 824227825Stheraven return -1; 825227825Stheraven if (fflush(__file_)) 826227825Stheraven return -1; 827227825Stheraven } 828227825Stheraven else if (__cm_ & ios_base::in) 829227825Stheraven { 830227825Stheraven off_type __c; 831227825Stheraven if (__always_noconv_) 832227825Stheraven __c = this->egptr() - this->gptr(); 833227825Stheraven else 834227825Stheraven { 835227825Stheraven int __width = __cv_->encoding(); 836227825Stheraven __c = __extbufend_ - __extbufnext_; 837227825Stheraven if (__width > 0) 838227825Stheraven __c += __width * (this->egptr() - this->gptr()); 839227825Stheraven else 840227825Stheraven { 841227825Stheraven if (this->gptr() != this->egptr()) 842227825Stheraven { 843227825Stheraven reverse(this->gptr(), this->egptr()); 844227825Stheraven codecvt_base::result __r; 845227825Stheraven const char_type* __e = this->gptr(); 846227825Stheraven char* __extbe; 847227825Stheraven do 848227825Stheraven { 849227825Stheraven __r = __cv_->out(__st_, __e, this->egptr(), __e, 850227825Stheraven __extbuf_, __extbuf_ + __ebs_, __extbe); 851227825Stheraven switch (__r) 852227825Stheraven { 853227825Stheraven case codecvt_base::noconv: 854227825Stheraven __c += this->egptr() - this->gptr(); 855227825Stheraven break; 856227825Stheraven case codecvt_base::ok: 857227825Stheraven case codecvt_base::partial: 858227825Stheraven __c += __extbe - __extbuf_; 859227825Stheraven break; 860227825Stheraven default: 861227825Stheraven return -1; 862227825Stheraven } 863227825Stheraven } while (__r == codecvt_base::partial); 864227825Stheraven } 865227825Stheraven } 866227825Stheraven } 867227825Stheraven if (fseeko(__file_, -__c, SEEK_CUR)) 868227825Stheraven return -1; 869227825Stheraven this->setg(0, 0, 0); 870227825Stheraven __cm_ = 0; 871227825Stheraven } 872227825Stheraven return 0; 873227825Stheraven} 874227825Stheraven 875227825Stheraventemplate <class _CharT, class _Traits> 876227825Stheravenvoid 877227825Stheravenbasic_filebuf<_CharT, _Traits>::imbue(const locale& __loc) 878227825Stheraven{ 879227825Stheraven sync(); 880227825Stheraven __cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc); 881227825Stheraven bool __old_anc = __always_noconv_; 882227825Stheraven __always_noconv_ = __cv_->always_noconv(); 883227825Stheraven if (__old_anc != __always_noconv_) 884227825Stheraven { 885227825Stheraven this->setg(0, 0, 0); 886227825Stheraven this->setp(0, 0); 887227825Stheraven // invariant, char_type is char, else we couldn't get here 888227825Stheraven if (__always_noconv_) // need to dump __intbuf_ 889227825Stheraven { 890227825Stheraven if (__owns_eb_) 891227825Stheraven delete [] __extbuf_; 892227825Stheraven __owns_eb_ = __owns_ib_; 893227825Stheraven __ebs_ = __ibs_; 894227825Stheraven __extbuf_ = (char*)__intbuf_; 895227825Stheraven __ibs_ = 0; 896227825Stheraven __intbuf_ = 0; 897227825Stheraven __owns_ib_ = false; 898227825Stheraven } 899227825Stheraven else // need to obtain an __intbuf_. 900227825Stheraven { // If __extbuf_ is user-supplied, use it, else new __intbuf_ 901227825Stheraven if (!__owns_eb_ && __extbuf_ != __extbuf_min_) 902227825Stheraven { 903227825Stheraven __ibs_ = __ebs_; 904227825Stheraven __intbuf_ = (char_type*)__extbuf_; 905227825Stheraven __owns_ib_ = false; 906227825Stheraven __extbuf_ = new char[__ebs_]; 907227825Stheraven __owns_eb_ = true; 908227825Stheraven } 909227825Stheraven else 910227825Stheraven { 911227825Stheraven __ibs_ = __ebs_; 912227825Stheraven __intbuf_ = new char_type[__ibs_]; 913227825Stheraven __owns_ib_ = true; 914227825Stheraven } 915227825Stheraven } 916227825Stheraven } 917227825Stheraven} 918227825Stheraven 919227825Stheraventemplate <class _CharT, class _Traits> 920227825Stheravenbool 921227825Stheravenbasic_filebuf<_CharT, _Traits>::__read_mode() 922227825Stheraven{ 923227825Stheraven if (!(__cm_ & ios_base::in)) 924227825Stheraven { 925227825Stheraven this->setp(0, 0); 926227825Stheraven if (__always_noconv_) 927227825Stheraven this->setg((char_type*)__extbuf_, 928227825Stheraven (char_type*)__extbuf_ + __ebs_, 929227825Stheraven (char_type*)__extbuf_ + __ebs_); 930227825Stheraven else 931227825Stheraven this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 932227825Stheraven __cm_ = ios_base::in; 933227825Stheraven return true; 934227825Stheraven } 935227825Stheraven return false; 936227825Stheraven} 937227825Stheraven 938227825Stheraventemplate <class _CharT, class _Traits> 939227825Stheravenvoid 940227825Stheravenbasic_filebuf<_CharT, _Traits>::__write_mode() 941227825Stheraven{ 942227825Stheraven if (!(__cm_ & ios_base::out)) 943227825Stheraven { 944227825Stheraven this->setg(0, 0, 0); 945227825Stheraven if (__ebs_ > sizeof(__extbuf_min_)) 946227825Stheraven { 947227825Stheraven if (__always_noconv_) 948227825Stheraven this->setp((char_type*)__extbuf_, 949227825Stheraven (char_type*)__extbuf_ + (__ebs_ - 1)); 950227825Stheraven else 951227825Stheraven this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 952227825Stheraven } 953227825Stheraven else 954227825Stheraven this->setp(0, 0); 955227825Stheraven __cm_ = ios_base::out; 956227825Stheraven } 957227825Stheraven} 958227825Stheraven 959227825Stheraven// basic_ifstream 960227825Stheraven 961227825Stheraventemplate <class _CharT, class _Traits> 962227825Stheravenclass _LIBCPP_VISIBLE basic_ifstream 963227825Stheraven : public basic_istream<_CharT, _Traits> 964227825Stheraven{ 965227825Stheravenpublic: 966227825Stheraven typedef _CharT char_type; 967227825Stheraven typedef _Traits traits_type; 968227825Stheraven typedef typename traits_type::int_type int_type; 969227825Stheraven typedef typename traits_type::pos_type pos_type; 970227825Stheraven typedef typename traits_type::off_type off_type; 971227825Stheraven 972227825Stheraven basic_ifstream(); 973227825Stheraven explicit basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in); 974227825Stheraven explicit basic_ifstream(const string& __s, ios_base::openmode __mode = ios_base::in); 975227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 976227825Stheraven basic_ifstream(basic_ifstream&& __rhs); 977227825Stheraven#endif 978227825Stheraven 979227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 980227825Stheraven basic_ifstream& operator=(basic_ifstream&& __rhs); 981227825Stheraven#endif 982227825Stheraven void swap(basic_ifstream& __rhs); 983227825Stheraven 984227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 985227825Stheraven bool is_open() const; 986227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in); 987227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in); 988227825Stheraven void close(); 989227825Stheraven 990227825Stheravenprivate: 991227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 992227825Stheraven}; 993227825Stheraven 994227825Stheraventemplate <class _CharT, class _Traits> 995227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 996227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream() 997227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 998227825Stheraven{ 999227825Stheraven} 1000227825Stheraven 1001227825Stheraventemplate <class _CharT, class _Traits> 1002227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1003227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base::openmode __mode) 1004227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1005227825Stheraven{ 1006227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1007227825Stheraven this->setstate(ios_base::failbit); 1008227825Stheraven} 1009227825Stheraven 1010227825Stheraventemplate <class _CharT, class _Traits> 1011227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1012227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::openmode __mode) 1013227825Stheraven : basic_istream<char_type, traits_type>(&__sb_) 1014227825Stheraven{ 1015227825Stheraven if (__sb_.open(__s, __mode | ios_base::in) == 0) 1016227825Stheraven this->setstate(ios_base::failbit); 1017227825Stheraven} 1018227825Stheraven 1019227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1020227825Stheraven 1021227825Stheraventemplate <class _CharT, class _Traits> 1022227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1023227825Stheravenbasic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs) 1024227825Stheraven : basic_istream<char_type, traits_type>(_VSTD::move(__rhs)), 1025227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1026227825Stheraven{ 1027227825Stheraven this->set_rdbuf(&__sb_); 1028227825Stheraven} 1029227825Stheraven 1030227825Stheraventemplate <class _CharT, class _Traits> 1031227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1032227825Stheravenbasic_ifstream<_CharT, _Traits>& 1033227825Stheravenbasic_ifstream<_CharT, _Traits>::operator=(basic_ifstream&& __rhs) 1034227825Stheraven{ 1035227825Stheraven basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1036227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1037227825Stheraven return *this; 1038227825Stheraven} 1039227825Stheraven 1040227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1041227825Stheraven 1042227825Stheraventemplate <class _CharT, class _Traits> 1043227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1044227825Stheravenvoid 1045227825Stheravenbasic_ifstream<_CharT, _Traits>::swap(basic_ifstream& __rhs) 1046227825Stheraven{ 1047227825Stheraven basic_istream<char_type, traits_type>::swap(__rhs); 1048227825Stheraven __sb_.swap(__rhs.__sb_); 1049227825Stheraven} 1050227825Stheraven 1051227825Stheraventemplate <class _CharT, class _Traits> 1052227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1053227825Stheravenvoid 1054227825Stheravenswap(basic_ifstream<_CharT, _Traits>& __x, basic_ifstream<_CharT, _Traits>& __y) 1055227825Stheraven{ 1056227825Stheraven __x.swap(__y); 1057227825Stheraven} 1058227825Stheraven 1059227825Stheraventemplate <class _CharT, class _Traits> 1060227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1061227825Stheravenbasic_filebuf<_CharT, _Traits>* 1062227825Stheravenbasic_ifstream<_CharT, _Traits>::rdbuf() const 1063227825Stheraven{ 1064227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1065227825Stheraven} 1066227825Stheraven 1067227825Stheraventemplate <class _CharT, class _Traits> 1068227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1069227825Stheravenbool 1070227825Stheravenbasic_ifstream<_CharT, _Traits>::is_open() const 1071227825Stheraven{ 1072227825Stheraven return __sb_.is_open(); 1073227825Stheraven} 1074227825Stheraven 1075227825Stheraventemplate <class _CharT, class _Traits> 1076227825Stheravenvoid 1077227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1078227825Stheraven{ 1079227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1080227825Stheraven this->clear(); 1081227825Stheraven else 1082227825Stheraven this->setstate(ios_base::failbit); 1083227825Stheraven} 1084227825Stheraven 1085227825Stheraventemplate <class _CharT, class _Traits> 1086227825Stheravenvoid 1087227825Stheravenbasic_ifstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1088227825Stheraven{ 1089227825Stheraven if (__sb_.open(__s, __mode | ios_base::in)) 1090227825Stheraven this->clear(); 1091227825Stheraven else 1092227825Stheraven this->setstate(ios_base::failbit); 1093227825Stheraven} 1094227825Stheraven 1095227825Stheraventemplate <class _CharT, class _Traits> 1096227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1097227825Stheravenvoid 1098227825Stheravenbasic_ifstream<_CharT, _Traits>::close() 1099227825Stheraven{ 1100227825Stheraven if (__sb_.close() == 0) 1101227825Stheraven this->setstate(ios_base::failbit); 1102227825Stheraven} 1103227825Stheraven 1104227825Stheraven// basic_ofstream 1105227825Stheraven 1106227825Stheraventemplate <class _CharT, class _Traits> 1107227825Stheravenclass _LIBCPP_VISIBLE basic_ofstream 1108227825Stheraven : public basic_ostream<_CharT, _Traits> 1109227825Stheraven{ 1110227825Stheravenpublic: 1111227825Stheraven typedef _CharT char_type; 1112227825Stheraven typedef _Traits traits_type; 1113227825Stheraven typedef typename traits_type::int_type int_type; 1114227825Stheraven typedef typename traits_type::pos_type pos_type; 1115227825Stheraven typedef typename traits_type::off_type off_type; 1116227825Stheraven 1117227825Stheraven basic_ofstream(); 1118227825Stheraven explicit basic_ofstream(const char* __s, ios_base::openmode __mode = ios_base::out); 1119227825Stheraven explicit basic_ofstream(const string& __s, ios_base::openmode __mode = ios_base::out); 1120227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1121227825Stheraven basic_ofstream(basic_ofstream&& __rhs); 1122227825Stheraven#endif 1123227825Stheraven 1124227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1125227825Stheraven basic_ofstream& operator=(basic_ofstream&& __rhs); 1126227825Stheraven#endif 1127227825Stheraven void swap(basic_ofstream& __rhs); 1128227825Stheraven 1129227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1130227825Stheraven bool is_open() const; 1131227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::out); 1132227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::out); 1133227825Stheraven void close(); 1134227825Stheraven 1135227825Stheravenprivate: 1136227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1137227825Stheraven}; 1138227825Stheraven 1139227825Stheraventemplate <class _CharT, class _Traits> 1140227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1141227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream() 1142227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1143227825Stheraven{ 1144227825Stheraven} 1145227825Stheraven 1146227825Stheraventemplate <class _CharT, class _Traits> 1147227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1148227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base::openmode __mode) 1149227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1150227825Stheraven{ 1151227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1152227825Stheraven this->setstate(ios_base::failbit); 1153227825Stheraven} 1154227825Stheraven 1155227825Stheraventemplate <class _CharT, class _Traits> 1156227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1157227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::openmode __mode) 1158227825Stheraven : basic_ostream<char_type, traits_type>(&__sb_) 1159227825Stheraven{ 1160227825Stheraven if (__sb_.open(__s, __mode | ios_base::out) == 0) 1161227825Stheraven this->setstate(ios_base::failbit); 1162227825Stheraven} 1163227825Stheraven 1164227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1165227825Stheraven 1166227825Stheraventemplate <class _CharT, class _Traits> 1167227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1168227825Stheravenbasic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs) 1169227825Stheraven : basic_ostream<char_type, traits_type>(_VSTD::move(__rhs)), 1170227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1171227825Stheraven{ 1172227825Stheraven this->set_rdbuf(&__sb_); 1173227825Stheraven} 1174227825Stheraven 1175227825Stheraventemplate <class _CharT, class _Traits> 1176227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1177227825Stheravenbasic_ofstream<_CharT, _Traits>& 1178227825Stheravenbasic_ofstream<_CharT, _Traits>::operator=(basic_ofstream&& __rhs) 1179227825Stheraven{ 1180227825Stheraven basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1181227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1182227825Stheraven return *this; 1183227825Stheraven} 1184227825Stheraven 1185227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1186227825Stheraven 1187227825Stheraventemplate <class _CharT, class _Traits> 1188227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1189227825Stheravenvoid 1190227825Stheravenbasic_ofstream<_CharT, _Traits>::swap(basic_ofstream& __rhs) 1191227825Stheraven{ 1192227825Stheraven basic_ostream<char_type, traits_type>::swap(__rhs); 1193227825Stheraven __sb_.swap(__rhs.__sb_); 1194227825Stheraven} 1195227825Stheraven 1196227825Stheraventemplate <class _CharT, class _Traits> 1197227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1198227825Stheravenvoid 1199227825Stheravenswap(basic_ofstream<_CharT, _Traits>& __x, basic_ofstream<_CharT, _Traits>& __y) 1200227825Stheraven{ 1201227825Stheraven __x.swap(__y); 1202227825Stheraven} 1203227825Stheraven 1204227825Stheraventemplate <class _CharT, class _Traits> 1205227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1206227825Stheravenbasic_filebuf<_CharT, _Traits>* 1207227825Stheravenbasic_ofstream<_CharT, _Traits>::rdbuf() const 1208227825Stheraven{ 1209227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1210227825Stheraven} 1211227825Stheraven 1212227825Stheraventemplate <class _CharT, class _Traits> 1213227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1214227825Stheravenbool 1215227825Stheravenbasic_ofstream<_CharT, _Traits>::is_open() const 1216227825Stheraven{ 1217227825Stheraven return __sb_.is_open(); 1218227825Stheraven} 1219227825Stheraven 1220227825Stheraventemplate <class _CharT, class _Traits> 1221227825Stheravenvoid 1222227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1223227825Stheraven{ 1224227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1225227825Stheraven this->clear(); 1226227825Stheraven else 1227227825Stheraven this->setstate(ios_base::failbit); 1228227825Stheraven} 1229227825Stheraven 1230227825Stheraventemplate <class _CharT, class _Traits> 1231227825Stheravenvoid 1232227825Stheravenbasic_ofstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1233227825Stheraven{ 1234227825Stheraven if (__sb_.open(__s, __mode | ios_base::out)) 1235227825Stheraven this->clear(); 1236227825Stheraven else 1237227825Stheraven this->setstate(ios_base::failbit); 1238227825Stheraven} 1239227825Stheraven 1240227825Stheraventemplate <class _CharT, class _Traits> 1241227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1242227825Stheravenvoid 1243227825Stheravenbasic_ofstream<_CharT, _Traits>::close() 1244227825Stheraven{ 1245227825Stheraven if (__sb_.close() == 0) 1246227825Stheraven this->setstate(ios_base::failbit); 1247227825Stheraven} 1248227825Stheraven 1249227825Stheraven// basic_fstream 1250227825Stheraven 1251227825Stheraventemplate <class _CharT, class _Traits> 1252227825Stheravenclass _LIBCPP_VISIBLE basic_fstream 1253227825Stheraven : public basic_iostream<_CharT, _Traits> 1254227825Stheraven{ 1255227825Stheravenpublic: 1256227825Stheraven typedef _CharT char_type; 1257227825Stheraven typedef _Traits traits_type; 1258227825Stheraven typedef typename traits_type::int_type int_type; 1259227825Stheraven typedef typename traits_type::pos_type pos_type; 1260227825Stheraven typedef typename traits_type::off_type off_type; 1261227825Stheraven 1262227825Stheraven basic_fstream(); 1263227825Stheraven explicit basic_fstream(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1264227825Stheraven explicit basic_fstream(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1265227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1266227825Stheraven basic_fstream(basic_fstream&& __rhs); 1267227825Stheraven#endif 1268227825Stheraven 1269227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1270227825Stheraven basic_fstream& operator=(basic_fstream&& __rhs); 1271227825Stheraven#endif 1272227825Stheraven void swap(basic_fstream& __rhs); 1273227825Stheraven 1274227825Stheraven basic_filebuf<char_type, traits_type>* rdbuf() const; 1275227825Stheraven bool is_open() const; 1276227825Stheraven void open(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1277227825Stheraven void open(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); 1278227825Stheraven void close(); 1279227825Stheraven 1280227825Stheravenprivate: 1281227825Stheraven basic_filebuf<char_type, traits_type> __sb_; 1282227825Stheraven}; 1283227825Stheraven 1284227825Stheraventemplate <class _CharT, class _Traits> 1285227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1286227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream() 1287227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1288227825Stheraven{ 1289227825Stheraven} 1290227825Stheraven 1291227825Stheraventemplate <class _CharT, class _Traits> 1292227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1293227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::openmode __mode) 1294227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1295227825Stheraven{ 1296227825Stheraven if (__sb_.open(__s, __mode) == 0) 1297227825Stheraven this->setstate(ios_base::failbit); 1298227825Stheraven} 1299227825Stheraven 1300227825Stheraventemplate <class _CharT, class _Traits> 1301227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1302227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openmode __mode) 1303227825Stheraven : basic_iostream<char_type, traits_type>(&__sb_) 1304227825Stheraven{ 1305227825Stheraven if (__sb_.open(__s, __mode) == 0) 1306227825Stheraven this->setstate(ios_base::failbit); 1307227825Stheraven} 1308227825Stheraven 1309227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1310227825Stheraven 1311227825Stheraventemplate <class _CharT, class _Traits> 1312227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1313227825Stheravenbasic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs) 1314227825Stheraven : basic_iostream<char_type, traits_type>(_VSTD::move(__rhs)), 1315227825Stheraven __sb_(_VSTD::move(__rhs.__sb_)) 1316227825Stheraven{ 1317227825Stheraven this->set_rdbuf(&__sb_); 1318227825Stheraven} 1319227825Stheraven 1320227825Stheraventemplate <class _CharT, class _Traits> 1321227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1322227825Stheravenbasic_fstream<_CharT, _Traits>& 1323227825Stheravenbasic_fstream<_CharT, _Traits>::operator=(basic_fstream&& __rhs) 1324227825Stheraven{ 1325227825Stheraven basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 1326227825Stheraven __sb_ = _VSTD::move(__rhs.__sb_); 1327227825Stheraven return *this; 1328227825Stheraven} 1329227825Stheraven 1330227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 1331227825Stheraven 1332227825Stheraventemplate <class _CharT, class _Traits> 1333227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1334227825Stheravenvoid 1335227825Stheravenbasic_fstream<_CharT, _Traits>::swap(basic_fstream& __rhs) 1336227825Stheraven{ 1337227825Stheraven basic_iostream<char_type, traits_type>::swap(__rhs); 1338227825Stheraven __sb_.swap(__rhs.__sb_); 1339227825Stheraven} 1340227825Stheraven 1341227825Stheraventemplate <class _CharT, class _Traits> 1342227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1343227825Stheravenvoid 1344227825Stheravenswap(basic_fstream<_CharT, _Traits>& __x, basic_fstream<_CharT, _Traits>& __y) 1345227825Stheraven{ 1346227825Stheraven __x.swap(__y); 1347227825Stheraven} 1348227825Stheraven 1349227825Stheraventemplate <class _CharT, class _Traits> 1350227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1351227825Stheravenbasic_filebuf<_CharT, _Traits>* 1352227825Stheravenbasic_fstream<_CharT, _Traits>::rdbuf() const 1353227825Stheraven{ 1354227825Stheraven return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); 1355227825Stheraven} 1356227825Stheraven 1357227825Stheraventemplate <class _CharT, class _Traits> 1358227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1359227825Stheravenbool 1360227825Stheravenbasic_fstream<_CharT, _Traits>::is_open() const 1361227825Stheraven{ 1362227825Stheraven return __sb_.is_open(); 1363227825Stheraven} 1364227825Stheraven 1365227825Stheraventemplate <class _CharT, class _Traits> 1366227825Stheravenvoid 1367227825Stheravenbasic_fstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) 1368227825Stheraven{ 1369227825Stheraven if (__sb_.open(__s, __mode)) 1370227825Stheraven this->clear(); 1371227825Stheraven else 1372227825Stheraven this->setstate(ios_base::failbit); 1373227825Stheraven} 1374227825Stheraven 1375227825Stheraventemplate <class _CharT, class _Traits> 1376227825Stheravenvoid 1377227825Stheravenbasic_fstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) 1378227825Stheraven{ 1379227825Stheraven if (__sb_.open(__s, __mode)) 1380227825Stheraven this->clear(); 1381227825Stheraven else 1382227825Stheraven this->setstate(ios_base::failbit); 1383227825Stheraven} 1384227825Stheraven 1385227825Stheraventemplate <class _CharT, class _Traits> 1386227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1387227825Stheravenvoid 1388227825Stheravenbasic_fstream<_CharT, _Traits>::close() 1389227825Stheraven{ 1390227825Stheraven if (__sb_.close() == 0) 1391227825Stheraven this->setstate(ios_base::failbit); 1392227825Stheraven} 1393227825Stheraven 1394227825Stheraven_LIBCPP_END_NAMESPACE_STD 1395227825Stheraven 1396227825Stheraven#endif // _LIBCPP_FSTREAM 1397