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Public Member Functions |
virtual void | open_file (const std::string &fname, const std::string &fmode)=0 |
virtual void | open_stdin (void)=0 |
virtual void | open_stdout (void)=0 |
virtual void | open_stderr (void)=0 |
virtual void | close_file (void)=0 |
virtual void | read_to_buffer (void *obuf, off_t bytes)=0 |
virtual void | write_from_buffer (void *obuf, off_t bytes)=0 |
virtual void | set_file_position (off_t newpos)=0 |
virtual void | set_file_position_advance (off_t fw)=0 |
virtual void | set_file_position_end (void)=0 |
virtual off_t | get_file_position (void) const =0 |
virtual off_t | get_file_length (void) const =0 |
virtual bool | is_file_ready (void) const =0 |
virtual bool | is_file_error (void) const =0 |
virtual off_t | file_bytes_processed (void) const =0 |
virtual const std::string & | file_mode (void) const =0 |