1579dce unit-name: generate a clear error code when converting an overly long fs path to a unit name

2 files Authored by Lennart Poettering 2 years ago, Committed by zbyszek 2 years ago,
    unit-name: generate a clear error code when converting an overly long fs path to a unit name
    
    (cherry picked from commit 9d5acfab20c5f1177d877d0bec18063c0a6c5929)
    
        
file modified
+6 -0
file modified
+2 -2