Valgrind detect problem

[tomyhu1995]

-------------------Event time out alert-----------------------
Event name : test123
==12012== Conditional jump or move depends on uninitialised value(s)
==12012== at 0x410E699: asctime_internal (asctime.c:56)
==12012== by 0x8048A21: timeout_callback (event.c:28)
==12012== by 0x4059948: ev_invoke_pending (ev.c:3314)
==12012== by 0x405CB08: ev_run (ev.c:3717)
==12012== by 0x80488DE: main (main.c:21)
==12012==
==12012== Use of uninitialised value of size 4
==12012== at 0x410E6F8: asctime_internal (asctime.c:56)
==12012== by 0x8048A21: timeout_callback (event.c:28)
==12012== by 0x4059948: ev_invoke_pending (ev.c:3314)
==12012== by 0x405CB08: ev_run (ev.c:3717)
==12012== by 0x80488DE: main (main.c:21)
==12012==
Evnet alert time : Sun Jun 11 17:18:40 2017
-------------------Event time out alert end-----------------------