The hex2char() calls in bin2hex() can never fail since buf[i] >> 4
and buf[i] & 0xf always produce values in range 0-15.
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
Move various utilities out of lib into own folder for better assignement
and management in the maintainer file. lib/os has become another dumping
ground for everything and it the Kconfig and contents in that folder
became difficult to manage, configure and test.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>