On 2014-04-23, Peter Bigot <[email protected]> wrote:
> Again: whatever the environment wants it to do. In my case, I'm
> using printf(3c) in my code, and I want it to output to one of the
> UARTs, which newlib accommodates by using write(2) to descriptor 1,
> just like any other standard C library.
>
> This works because I supply a _write() function that does that.
But it's not called like a normal C function, it goes through some
sort of syscall interface so you don't actually link your _write()
function with newlib?
> Or maybe it sends the data to an LCD. Maybe exit() starts blinking a
> red LED if the return code isn't zero. Whatever any of the system
> functions do, it's my choice, and I like that newlib allows me that
> control.
Hmm. Is there an option to build a non-hosted version of newlib which
doesn't assume any underlying "OS support".
--
Grant Edwards grant.b.edwards Yow! Is it 1974? What's
at for SUPPER? Can I spend
gmail.com my COLLEGE FUND in one
wild afternoon??
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