Matthijs Mekking 72deed194d Use isdigit instead of checking character range ...

When looking for key files, we could use isdigit rather than checking
if the character is within the range [0-9].

Use (unsigned char) cast to ensure the value is representable in the
unsigned char type (as suggested by the isdigit manpage).

Change " & 0xff" occurrences to the recommended (unsigned char) type
cast.

(cherry picked from commit 1998ad6c776a9c17c27788b17765dee90d9e25df)

2021-05-05 18:23:53 +02:00

10 KiB

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