Summary: Behavior of strncmp may be unexpected if char buffers[s] is[are] not null terminated and buffer size is smaller than the length n. Added check to avoid this scenario.
Reviewed-by: dholmes, iklam

Summary: Before processing an element in the non-shared overflow buffer, try to push it into the local shared buffer to keep it full.
Reviewed-by: jmasa, ehelin, sjohanss

Summary: Under error conditions, always return -1 and perform null termination regardless of the behavior of underlying vsnprintf() implementation.
Reviewed-by: dholmes, cjplummer

Summary: Method::deallocate_contents() should clear 'this' from list of Methods in JNIMethodBlock, when class is unloaded.
Reviewed-by: coleenp, dholmes