ofstream::rdbuf


public member function
filebuf* rdbuf ( ) const;

Get the associated filebuf object

Returns a pointer to the filebuf object associated with the stream.

Parameters

none

Return Value

A pointer to the filebuf object associated with the stream.
Notice that for any successfully constructed ofstream object this pointer is never a null pointer, even if no files have been opened or if the stream is unbuffered.

Example

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// copy a file using associated buffer's members
#include <fstream>
using namespace std;

int main () {
  char ch;
  ifstream infile;
  ofstream outfile;
  filebuf *inbuf, *outbuf;

  infile.open ("test.txt");
  outfile.open ("copy.txt");

  inbuf=infile.rdbuf();
  outbuf=outfile.rdbuf();

  ch = inbuf->sgetc();
  while ( ch != EOF)
  {
    outbuf->sputc (ch);
    ch= inbuf->snextc();
  }

  outfile.close();
  infile.close();

  return 0;
}


Basic template member declaration

( basic_fstream<charT,traits,Allocator> )
  
basic_filebuf<charT,traits,Allocator> * rdbuf () const;


See also

ios::rdbuf Get/set the associated stream buffer (public member function)
filebuf File stream buffer (class)