tree 990e97cb0c90bb221796bdc443d21993ccd0ad4b
parent cc449fc0c66dcff87937a1218ee0a4dcc927e5af
author bnc <bnc@google.com> 1652184197 -0700
committer Copybara-Service <copybara-worker@google.com> 1652184243 -0700

Cast to unsigned char for comparisons.

No behavioral change if char is unsigned (for example, internal code).
Fixes incorrect behavior if char is signed (for example, Envoy).

PiperOrigin-RevId: 447703949