- only run a single poll in the uloop_fd cb to avoid use-after-free on close
- delete the uloop_fd on close
- when calling into ucode, fetch the vm pointer before the call in order
to avoid accessing the stale uline context
Signed-off-by: Felix Fietkau <nbd@nbd.name>
It provides a ucode module with similar functionality as libreadline,
however with much smaller code and no dependencies aside from ucode and
libubox.
It also provides shell-style parsing/escaping code useful for building
a CLI.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
