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author | Karl Williamson <khw@cpan.org> | 2016-08-26 16:23:24 -0600 |
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committer | Karl Williamson <khw@cpan.org> | 2016-08-31 20:32:36 -0600 |
commit | eda91ad75c71796ed6c5d3da7850b2fd7566c2a2 (patch) | |
tree | 3b8337fe962ae39a02e4076e8a19e5cdf1e32f4f /utfebcdic.h | |
parent | c24e28a36bb30e64307477dfa160309665221d61 (diff) | |
download | perl-eda91ad75c71796ed6c5d3da7850b2fd7566c2a2.tar.gz |
Add #defines for UTF-8 of highest representable code point
This will allow the next commit to not have to actually try to decode
the UTF-8 string in order to see if it overflows the platform.
Diffstat (limited to 'utfebcdic.h')
-rw-r--r-- | utfebcdic.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/utfebcdic.h b/utfebcdic.h index a6ba4fa6a3..227e0eb3db 100644 --- a/utfebcdic.h +++ b/utfebcdic.h @@ -268,6 +268,14 @@ explicitly forbidden, and the shortest possible encoding should always be used * for more */ #define QUESTION_MARK_CTRL LATIN1_TO_NATIVE(0x9F) +/* Any I8 string larger than this will overflow the word if it were converted into a UV */ +#if defined(UV_IS_QUAD) +# define HIGHEST_REPRESENTABLE_UTF8 "\xFF\xAF\xBF\xBF\xBF\xBF\xBF\xBF\xBF\xBF\xBF\xBF\xBF\xBF" +#else +# define HIGHEST_REPRESENTABLE_UTF8 "\xFF\xA0\xA0\xA0\xA0\xA0\xA0\xA3\xBF\xBF\xBF\xBF\xBF\xBF" +#endif + + /* * ex: set ts=8 sts=4 sw=4 et: */ |