Re: Just got a Pi1B. What can you actually do with it these days?

On Sat, 07 Jun 2025 00:20:28 GMT, Scott Alfter wrote:

... and run two instances of this to drive a laser printer and a
label printer:
>
https://gitlab.alfter.us/salfter/lp_server

Had a look at this source file
<https://gitlab.alfter.us/salfter/lp_server/-/blob/master/src/lp_server.c?ref_type=heads>,
which I think is the guts of the thing.

Would be better to use poll(2) instead of select(2), to avoid the
limitations of the latter. I notice you only handle one connection at
a time.

Also, in the Check_restriction() function, you have

    b = strdup( restrict );

but I never see anywhere that the string allocated in b is freed.

This is the kind of thing I would write in Python, rather than C. It
would be a lot less code, and a lot less trouble worrying about
memory.