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Re: fflush

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On Thu, 01 Sep 2011 20:23:50 +0000, John Gordon wrote:

> In <4e5fe3b1$0$27973$bbae4d71@news.suddenlink.net> "Bill Cunningham"
> <nospam@nspam.invalid> writes:
> 
>>     Where is the right place to put fflush in a file IO operation?
>>     Right
>> before fclose? I never have really used it to flush buffers only to
>> flush stdout. Is it a good idea to use fflush all the time?
> 
> Closing the file automatically flushes the output, so calling fflush
> right before closing the file won't accomplish anything.
> 
> Fflush is typically used when you want to ensure that some output gets
> written to the file RIGHT NOW but aren't ready to close the file yet.

There is a line of thought that says that under those circumstances you 
might want to consider using unbuffered I/O instead.

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fflush "Bill Cunningham" <nospam@nspam.invalid> - 2011-09-01 15:57 -0400
  Re: fflush Willem <willem@toad.stack.nl> - 2011-09-01 20:09 +0000
  Re: fflush John Gordon <gordon@panix.com> - 2011-09-01 20:23 +0000
    Re: fflush sandeep <nospam@nospam.com> - 2011-09-01 20:49 +0000
      Re: fflush Kenneth Brody <kenbrody@spamcop.net> - 2011-09-02 10:59 -0400
    Re: fflush Kleuskes & Moos <kleuske@somewhere.else.net> - 2011-09-01 22:06 +0000
      Re: fflush Kenneth Brody <kenbrody@spamcop.net> - 2011-09-02 11:05 -0400
        Re: fflush Kleuskes & Moos <kleuske@somewhere.else.net> - 2011-09-02 17:04 +0000
  Re: fflush Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-09-01 14:55 -0600
  Re: fflush pete <pfiland@mindspring.com> - 2011-09-01 19:14 -0400
    Re: fflush Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-09-01 17:27 -0600
      Re: fflush pete <pfiland@mindspring.com> - 2011-09-01 19:33 -0400
      Re: fflush Seebs <usenet-nospam@seebs.net> - 2011-09-02 01:36 +0000
      Re: fflush Kenneth Brody <kenbrody@spamcop.net> - 2011-09-02 11:08 -0400
        Re: fflush Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-09-02 09:35 -0600
        Re: fflush Nobody <nobody@nowhere.com> - 2011-09-03 07:24 +0100
      Re: fflush gordonb.47ba6@burditt.org (Gordon Burditt) - 2011-09-02 21:42 -0500
        Re: fflush Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-09-02 21:01 -0600
  Re: fflush Nobody <nobody@nowhere.com> - 2011-09-02 00:34 +0100
  Re: fflush mathog <dmathog@gmail.com> - 2011-09-02 09:57 -0700
    Re: fflush David Thompson <dave.thompson2@verizon.net> - 2011-09-09 01:28 -0400
  Re: fflush gordonb.o3gsp@burditt.org (Gordon Burditt) - 2011-09-02 21:36 -0500
    Re: fflush Keith Thompson <kst-u@mib.org> - 2011-09-03 12:05 -0700
      Re: fflush Kenneth Brody <kenbrody@spamcop.net> - 2011-09-06 12:51 -0400
        Re: fflush Keith Thompson <kst-u@mib.org> - 2011-09-06 10:51 -0700
  Re: fflush "io_x" <a@b.c.invalid> - 2011-09-03 10:13 +0200
    Re: fflush "io_x" <a@b.c.invalid> - 2011-09-09 08:19 +0200

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