fstream file i/o

Dave · Aug 4, 2003

How do you stop an ofstream object truncating a file on open (using binary mode)?

Dave.

Victor Bazarov · Aug 4, 2003

Dave said:
How do you stop an ofstream object truncating a file on open (using binary

mode)?

Not to use 'trunc' as one of the specifiers, maybe? Post some code.

Victor

Mike Wahler · Aug 4, 2003

Dave said:
How do you stop an ofstream object truncating a file on open (using binary

mode)?

See std::ios::app and std::ios::ate

-Mike

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