/home/ntakagi/work/STLport-5.1.5/stlport/stl/_streambuf.c Go to the documentation of this file. /* * Copyright (c) 1999 * Silicon Graphics Computer Systems, Inc. * * Copyright (c) 1999 * Boris Fomitchev * * This material is provided "as is", with absolutely no warranty expressed * or implied. Any use is at your own risk. * * Permission to use or copy this software for any purpose is hereby granted * without fee, provided the above notices are retained on all copies. * Permission to modify the code and to distribute modified code is granted, * provided the above notices are retained, and a notice that the code was * modified is included with the above copyright notice. * */ #ifndef _STLP_STREAMBUF_C #define _STLP_STREAMBUF_C #ifndef _STLP_INTERNAL_STREAMBUF # include <stl/_streambuf.h> #endif _STLP_BEGIN_NAMESPACE //---------------------------------------------------------------------- // Non-inline basic_streambuf<> member functions. #if !defined (_STLP_MSVC) || (_STLP_MSVC >= 1300) || !defined (_STLP_USE_STATIC_LIB) template <class _CharT, class _Traits> basic_streambuf<_CharT, _Traits>::basic_streambuf() : _M_gbegin(0), _M_gnext(0), _M_gend(0), _M_pbegin(0), _M_pnext(0), _M_pend(0), _M_locale() { // _M_lock._M_initialize(); } #endif template <class _CharT, class _Traits> basic_streambuf<_CharT, _Traits>::~basic_streambuf() {} template <class _CharT, class _Traits> locale basic_streambuf<_CharT, _Traits>::pubimbue(const locale& __loc) { this->imbue(__loc); locale __tmp = _M_locale; _M_locale = __loc; return __tmp; } template <class _CharT, class _Traits> streamsize basic_streambuf<_CharT, _Traits>::xsgetn(_CharT* __s, streamsize __n) { streamsize __result = 0; const int_type __eof = _Traits::eof(); while (__result < __n) { if (_M_gnext < _M_gend) { size_t __chunk = (min) (__STATIC_CAST(size_t,_M_gend - _M_gnext), __STATIC_CAST(size_t,__n - __result)); _Traits::copy(__s, _M_gnext, __chunk); __result += __chunk; __s += __chunk; _M_gnext += __chunk; } else { int_type __c = this->sbumpc(); if (!_Traits::eq_int_type(__c, __eof)) { *__s = _Traits::to_char_type(__c); ++__result; ++__s; } else break; } } return __result; } template <class _CharT, class _Traits> streamsize basic_streambuf<_CharT, _Traits>::xsputn(const _CharT* __s, streamsize __n) { streamsize __result = 0; const int_type __eof = _Traits::eof(); while (__result < __n) { if (_M_pnext < _M_pend) { size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext), __STATIC_CAST(size_t,__n - __result)); _Traits::copy(_M_pnext, __s, __chunk); __result += __chunk; __s += __chunk; _M_pnext += __chunk; } else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(*__s)), __eof)) { ++__result; ++__s; } else break; } return __result; } template <class _CharT, class _Traits> streamsize basic_streambuf<_CharT, _Traits>::_M_xsputnc(_CharT __c, streamsize __n) { streamsize __result = 0; const int_type __eof = _Traits::eof(); while (__result < __n) { if (_M_pnext < _M_pend) { size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext), __STATIC_CAST(size_t,__n - __result)); _Traits::assign(_M_pnext, __chunk, __c); __result += __chunk; _M_pnext += __chunk; } else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(__c)), __eof)) ++__result; else break; } return __result; } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::_M_snextc_aux() { int_type __eof = _Traits::eof(); if (_M_gend == _M_gnext) return _Traits::eq_int_type(this->uflow(), __eof) ? __eof : this->sgetc(); else { _M_gnext = _M_gend; return this->underflow(); } } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::pbackfail(int_type) { return _Traits::eof(); } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::overflow(int_type) { return _Traits::eof(); } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::uflow() { return ( _Traits::eq_int_type(this->underflow(),_Traits::eof()) ? _Traits::eof() : _Traits::to_int_type(*_M_gnext++)); } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::underflow() { return _Traits::eof(); } template <class _CharT, class _Traits> streamsize basic_streambuf<_CharT, _Traits>::showmanyc() { return 0; } template <class _CharT, class _Traits> void basic_streambuf<_CharT, _Traits>::imbue(const locale&) {} template <class _CharT, class _Traits> int basic_streambuf<_CharT, _Traits>::sync() { return 0; } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode) { return pos_type(-1); } template <class _CharT, class _Traits> _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir, ios_base::openmode) { return pos_type(-1); } template <class _CharT, class _Traits> basic_streambuf<_CharT, _Traits>* basic_streambuf<_CharT, _Traits>:: setbuf(char_type*, streamsize) { return this; } _STLP_END_NAMESPACE #endif // Local Variables: // mode:C++ // End:

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