Re: Faking a TTY on a pipe/socketpair

with <20241118123754.282@kylheku.com> Kaz Kylheku wrote:

On 2024-11-18, Eric Pozharski <apple.universe@posteo.net> wrote:

with <20241117093714.675@kylheku.com> Kaz Kylheku wrote:

On 2024-11-16, Muttley@dastardlyhq.com <Muttley@dastardlyhq.com>
wrote:

So my question is - is there a way to set up a pipe or socketpair**
so that it appears to be a tty from the exec'd programs point of
view, eg ttyname() returns non null?

*SKIP* [ 18 lines   2 levels deep]

The GNU C Library has a mechanism to override this, driven by
environment variables, and a wrapper utility callet "stdbuf" which
uses the environment variables to tell a child process what
buffering discipline to use for stdin, stdour or stderr.

Now I understand what's going on (back then I've come to conclusions

*SKIP* [  2 lines   2 levels deep]

directions.  What should I read?

Firstly, I apologize for my bad here, Eric. This is not done in glibc,
but actually by a preloaded shared library called libstdbuf.so. That
comes from CoreUtils.

Well, stdbuf(1) is good enough then.

*CUT* [  9 lines   1 level deep]

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Stallman's goal for GNU is even simpler: Freedom