stream write

[chiku]

Hi,
I want to implement write function to a fstream object that takes a
buffer and no. of bytes written and return number of bytes
successfully written .

Any code snippet will be appreciated .

 

[joshuamaurice]

Hi,
I want to implement write function to a fstream object that takes a
buffer and no. of bytes written and return number of bytes
successfully written .

Any code snippet will be appreciated.

std:stream& std:stream::write (const char* s, std::streamsize n)
Always writes n bytes unless an error occurs, in which case the number
of bytes written may not be obtainable. (Anyone know if you can use
the seekp to know number of bytes written when badbit is set? I'd
imagine no.)