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From: scjones@thor.UUCP (Larry Jones)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Turbo C++ fopen() & fflush()
Message-ID: <209@thor.UUCP>
Date: 28 Nov 90 16:15:54 GMT
References: <1778@mts.ucs.UAlberta.CA> <1020@marvin.moncam.co.uk>
Organization: SDRC, Cincinnati
Lines: 21

In article <1020@marvin.moncam.co.uk>, emmo@moncam.co.uk (Dave Emmerson) writes:
> In article <1778@mts.ucs.UAlberta.CA>, userBARD@mts.ucs.UAlberta.CA (Barry Ard) writes:
> > I'm using TC++ 1.0 and am fopen()'ing a file that I write to using
> > fwrite(), I then do an fflush(), and as a test I reboot via the 3 finger
> > salute (ctrl-alt-del). When I check the file the fwrite() didn't
> > happen. 
> 
> Problem is, fflush doesn't flush the DOS buffers to disk, so
> you need to do :

It may be worth noting that this is the standard behavior for fflush.

fflush is a >C< library function that flushes the >C< library's buffers.
I know of NO systems where it also causes the file system / operating
system buffers to be flushed as well.
----
Larry Jones                         UUCP: uunet!sdrc!thor!scjones
SDRC                                      scjones@thor.UUCP
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