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;
}
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Basic template member declaration
( basic_fstream<charT,traits,Allocator> )
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basic_filebuf<charT,traits,Allocator> * rdbuf () const;
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See also
| ios::rdbuf | Get/set the associated stream buffer (public member function) |
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