print the list of valid debug level literals when an invalid debug level

is specified in 'ctdb setdebug'

diff --git a/tools/ctdb.c b/tools/ctdb.c
index c9656fe9794679eabeff8b70030cf1c869a449f1..d6240ea03db475eff5e4db04e9f0bc3040d6c803 100644 (file)
--- a/tools/ctdb.c
+++ b/tools/ctdb.c
@@ -1812,7 +1812,13 @@ static int32_t get_debug_by_desc(const char *desc)
                        return debug_levels[i].level;
                }
        }
-       return DEBUG_ERR;
+
+       fprintf(stderr, "Invalid debug level '%s'\nMust be one of\n", desc);
+       for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
+               fprintf(stderr, "    %s\n", debug_levels[i].description);
+       }
+
+       exit(10);
 }
 
 /*