Print error messages as they are encountered. This was the default
behavior.
Removes a static analysis warning regarding the use of strncat:
Null pointer argument in call to string length function
As this is the only use of strncat in the library, remove it and the
associated public function.
Change-Id: Id55305c5a4d65f11da88c3a2203ff824200f526f
b0d57f682d