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From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: write, _write, fwrite
Date: Sat, 02 Mar 2002 17:02:46 +0000
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

DJ Delorie wrote:
> 
> > What are the considerations for choosing between the write, _write, and
> > fwrite procedures? (And the corresponding read, _read, and fread.)  From
> > the libc docs I see some differences in the prototypes, but otherwise the
> > choice seems mainly related to portability.  Is this correct?
> 
>                 buffered        cr/lf           Standard
>                                 conversion
> fwrite  fread   Yes             Yes             ANSI
> write   read    No              Yes             POSIX
> _write  _read   No              No              DOS

NB: write() will only do CRLF conversion if the O_TEXT flag is being used for
the file. If O_BINARY is being used, then it won't. See
src/libc/posix/unistd/write.c from the DJGPP sources. You can set O_TEXT or
O_BINARY on open().

HTH, bye,

-- 
Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]