Summary: Add missing cache_line_size > 0 checks.
Reviewed-by: kvn

Summary: extract processor count from sched_getaffinity mask
Reviewed-by: dholmes, gthornbr

Reviewed-by: hseigel

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