vzsplit, vzctl set: better output of UBC parameters

* src/lib/util.c: introduce ubcstr() function, which
  * doesn't output limit if it is equal to barrier
  * output unlimited as 'unlimited'

* vzsplit: use ubcstr() to output config

* vzctl set: use ubcstr() to save UBC parameters

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
4 files changed