27 Input/output library [input.output]

27.6 Stream buffers [stream.buffers]

27.6.3 Class template basic_streambuf<charT,traits> [streambuf]

27.6.3.3 basic_streambuf protected member functions [streambuf.protected]

27.6.3.3.1 Assignment [streambuf.assign]

basic_streambuf& operator=(const basic_streambuf& rhs);

1

Effects: Assigns the data members of rhs to *this.

2

Postconditions:

  • (2.1)

    eback() == rhs.eback()

  • (2.2)

    gptr() == rhs.gptr()

  • (2.3)

    egptr() == rhs.egptr()

  • (2.4)

    pbase() == rhs.pbase()

  • (2.5)

    pptr() == rhs.pptr()

  • (2.6)

    epptr() == rhs.epptr()

  • (2.7)

    getloc() == rhs.getloc()

3

Returns: *this.

void swap(basic_streambuf& rhs);

4

Effects: Swaps the data members of rhs and *this.

27.6.3.3.2 Get area access [streambuf.get.area]

char_type* eback() const;

1

Returns: The beginning pointer for the input sequence.

char_type* gptr() const;

2

Returns: The next pointer for the input sequence.

char_type* egptr() const;

3

Returns: The end pointer for the input sequence.

void gbump(int n);

4

Effects: Adds n to the next pointer for the input sequence.

void setg(char_type* gbeg, char_type* gnext, char_type* gend);

5

Postconditions: gbeg == eback(), gnext == gptr(), and gend == egptr().

27.6.3.3.3 Put area access [streambuf.put.area]

char_type* pbase() const;

1

Returns: The beginning pointer for the output sequence.

char_type* pptr() const;

2

Returns: The next pointer for the output sequence.

char_type* epptr() const;

3

Returns: The end pointer for the output sequence.

void pbump(int n);

4

Effects: Adds n to the next pointer for the output sequence.

void setp(char_type* pbeg, char_type* pend);

5

Postconditions: pbeg == pbase(), pbeg == pptr(), and pend == epptr().