tree 95ba810a9cad72f59226d0fd362e38622aaeae04
parent 4dc3fd37f76f27b81652c28c87ae0a1958533c23
author Luiz Augusto von Dentz <luiz.von.dentz@intel.com> 1522065801 +0300
committer Luiz Augusto von Dentz <luiz.von.dentz@intel.com> 1522321824 +0300

shared/shell: Don't allocate any data if env value is NULL

If value is NULL there is no point in allocating any data if value is
NULL since bt_shell_get_env would return NULL anyway, also this makes
sure the existing value is freed which means passing NULL can remove
an env like it was intended.