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Date:	Fri, 6 May 2005 10:39:53 -0400
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: DD converts LF -> CR / LF
Message-ID:	<20050506143953.GB20565@trixie.casa.cgf.cx>
Reply-To:	cygwin AT cygwin DOT com
References:	<427B1A65 DOT 5060106 AT tu-bs DOT de> <427B258F DOT 90516ACA AT dessent DOT net> <427B70CB DOT 7040101 AT byu DOT net>
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On Fri, May 06, 2005 at 07:27:39AM -0600, Eric Blake wrote:
>There is still the question on cygwin whether an unspecified
>text/binary mode should always default to binary, or should default to
>the underlying default for that particular mount.

I think that dd should always default to binary unless directed not to
do so.  I don't think anyone would be expecting it to perform automatic
LF->CRLF translations for them since that is not a documented feature of
the utility.

>Meanwhile, I noticed that cygwin permits open("foo", O_RDWR | O_BINARY
>| O_TEXT), although I don't know which of the two modes it chose; I
>think it should instead return EINVAL like setmode(fd, O_BINARY |
>O_TEXT) does.

This behavior is consistent with windows, AFAICT.

cgf

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