Hi,
I wrote:
Back to ctype.h, can we now assume POSIX
ISTM that the sbr/ctype-checked.h versions assume, wrongly, that
isdigit(EOF) and tolower(EOF) aren't valid, for example, and will index
an array with -1. We can't increment all the indexes by one as that
will promote a char to int before the index, removing the desired
warning. Instead, each look-up table can be a private array with a
pointer to its second element, and index that. Sound OK?
--
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy
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