Use unsigned chars for ctype macros.#124
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Note Freebsd is failing because the cirrus-ci runner changed from 13.2 to 14.0. It's fixed in #123 so I don't see the need for causing conflicts by fixing it elsewhere too. If we merge this second then the rebased version should pass. |
On linux these tables are 384 wide, to accommodate -128 to +255. However this is an implementation defined security improvement and the specification is such that the parameter to e.g. isalpha should be unsigned. Detected with the stock windows gcc install (mingw-w64 didn't complain).
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On linux these tables are 384 wide, to accommodate -128 to +255. However this is an implementation defined security improvement and the specification is such that the parameter to e.g. isalpha should be unsigned.
Detected with the stock windows gcc install (mingw-w64 didn't complain).
See #123 (comment) for background.