Switch to UCHAR_MAX instead of -1 trick.
Switch to UCHAR_MAX instead of -1 trick.


Former-commit-id: 09f6e786af27f732133cac495966d8dab5c7fabd [formerly 00e35e8538460dc91c73d443764621c2592654a7]
Former-commit-id: 1f7d7057f94a63f013295fb62abf6ef20b3f0a73
dpwolfe/otucha,dpwolfe/otucha,dpwolfe/otucha