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Re: Unable to fdopen() a pipe handle
- To: Craig Setera <setera at us dot ibm dot com>
- Subject: Re: Unable to fdopen() a pipe handle
- From: Earnie Boyd <earnie_boyd at yahoo dot com>
- Date: Tue, 14 Jul 1998 04:49:46 -0700 (PDT)
- Cc: gw32 <gnu-win32 at cygnus dot com>
- Reply-To: earnie_boyd at yahoo dot com
---Craig Setera <setera@us.ibm.com> wrote:
>
> I've got a chunk of code that create an anonymous pipe using pipe()
and then
> attempts to create a write stream on the pipe using fdopen()
(something like
> this... from memory... not necessarily correct):
>
> int mypipe[2];
> FILE *mystream;
>
> pipe(mypipe);
> mystream = fdopen(mypipe[1], "w");
>
> I can't seem to get fdopen() to return anything other than NULL.
Any thoughts?
Well, I thought I had some then I started some research. I've drawn
the conclusion that it won't work because the pipes are half-duplex.
However, you should be able to fopen a /dev/null and use dup2 to
accomplish what you want (maybe:).
Anybody else?
==
- \\||//
---o0O0--Earnie--0O0o----
--earnie_boyd@yahoo.com--
------ooo0O--O0ooo-------
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