Standard library header - cppreference.com (original) (raw)

This header is part of the Input/Output library.

[edit] Synopsis

namespace std { template<class CharT, class Traits = char_traits> class basic_streambuf; using streambuf = basic_streambuf; using wstreambuf = basic_streambuf; }

[edit] Class template std::basic_streambuf

namespace std { template<class CharT, class Traits = char_traits> class basic_streambuf { public: using char_type = CharT; using int_type = typename Traits::int_type; using pos_type = typename Traits::pos_type; using off_type = typename Traits::off_type; using traits_type = Traits;   virtual ~basic_streambuf();   // locales locale pubimbue(const locale& loc); locale getloc() const;   // buffer and positioning basic_streambuf* pubsetbuf(char_type* s, streamsize n); pos_type pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which = ios_base::in | ios_base::out); pos_type pubseekpos(pos_type sp, ios_base::openmode which = ios_base::in | ios_base::out); int pubsync();   // get and put areas // get area streamsize in_avail(); int_type snextc(); int_type sbumpc(); int_type sgetc(); streamsize sgetn(char_type* s, streamsize n);   // putback int_type sputbackc(char_type c); int_type sungetc();   // put area int_type sputc(char_type c); streamsize sputn(const char_type* s, streamsize n);   protected: basic_streambuf(); basic_streambuf(const basic_streambuf& rhs); basic_streambuf& operator=(const basic_streambuf& rhs);   void swap(basic_streambuf& rhs);   // get area access char_type* eback() const; char_type* gptr() const; char_type* egptr() const; void gbump(int n); void setg(char_type* gbeg, char_type* gnext, char_type* gend);   // put area access char_type* pbase() const; char_type* pptr() const; char_type* epptr() const; void pbump(int n); void setp(char_type* pbeg, char_type* pend);   // virtual functions // locales virtual void imbue(const locale& loc);   // buffer management and positioning virtual basic_streambuf* setbuf(char_type* s, streamsize n); virtual pos_type seekoff(off_type off, ios_base::seekdir way, ios_base::openmode which = ios_base::in | ios_base::out); virtual pos_type seekpos(pos_type sp, ios_base::openmode which = ios_base::in | ios_base::out); virtual int sync();   // get area virtual streamsize showmanyc(); virtual streamsize xsgetn(char_type* s, streamsize n); virtual int_type underflow(); virtual int_type uflow();   // putback virtual int_type pbackfail(int_type c = Traits::eof());   // put area virtual streamsize xsputn(const char_type* s, streamsize n); virtual int_type overflow(int_type c = Traits::eof()); }; }

[edit] Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.