tree 8678f4e1ea38adecb25e326a9145a93d5115217a
parent 450f5ac9105ffeccbebc52d9d61bbb1b0520cfad
author Neels Hofmeyr <neels@hofmeyr.de> 1549916680 +0100
committer Neels Hofmeyr <nhofmeyr@sysmocom.de> 1550199714 +0000

get_value_string(): guard against NULL

get_value_string() conveniently prints the value number to a static buffer if
it is unknown in a value_string array. Do the same if the value_string array
pointer itself is NULL.

If a value string array is user supplied and might be NULL, one could add a
separate NULL check around it; but by making get_value_string() itself guard
against NULL, another static char buffer to print the value number is avoided.

Change-Id: Ie640e9258a959da8f4f9089478de993509853997