Nick Wellnhofer created CLOWNFISH-90:
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Summary: Unsafe usage of ctype.h functions
Key: CLOWNFISH-90
URL: https://issues.apache.org/jira/browse/CLOWNFISH-90
Project: Apache Lucy-Clownfish
Issue Type: Bug
Reporter: Nick Wellnhofer
Assignee: Nick Wellnhofer
>From the C99 spec:
{quote}
The header <ctype.h> declares several functions useful for classifying and
mapping characters. In all cases the argument is an int, the value of which
shall be representable as an unsigned char or shall equal the value of the
macro EOF. If the argument has any other value, the behavior is undefined.
The behavior of these functions is affected by the current locale.
{quote}
There are many cases where we pass unchecked {{char}} values which might be
negative.
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