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Re: ash stdin mode is set to O_TEXT
Corinna Vinschen wrote:
>
> On Sat, Apr 21, 2001 at 01:19:57PM -0400, Christopher Faylor wrote:
> > On Sat, Apr 21, 2001 at 08:25:56PM +0400, egor duda wrote:
> > >ash stdin mode is set to O_TEXT, so it's impossible to checkin/chechout
> > >binary files from cvs when CVS_RSH is sh script.
> > >
> > >maybe O_TEXT should be set only in interactive mode? or shouldn't be
> > >set at all?
> >
> > Corinna and I have discussed this in the past. The problem is that the
> > 'read' command should always be text mode whether it is interactive or
> > not. Also, if sh is reading a shell script via:
> >
> > sh < foo
> >
> > the input should be in O_TEXT mode.
> >
> > But then, if ash is reading from a pipe, stdin should, IMO, be in binary
> > mode.
>
> That's really tricky:
>
> sh < foo O_TEXT?
> cat foo | sh O_BINARY?
>
Correct, and from what I remember of the bash code it knows when it's
about to read/write from/to a pipe/redirect. Wouldn't you just use the
appropriate setmode on the duplicated file handle?
Earnie.
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