On 01/11/15 00:01, mattn wrote:
Thanks. Is there any corner case where we would need a few more bytes
than MAXPATHL?
In utf-8, max bytes of letter should be 4. So MAXPATHL * 4.
No, the maximum length of a UTF-8 character is 6 bytes, as that is the
maximum required to encode all characters in ISO10646. The currently
defined character space only uses 4 bytes but new characters are always
being added.
Note that ISO10646 is *not* a linear space. New characters can be
added anywhere in the space, including the very last character at the
top end (0xFFFFFFFF).
We don't want to be changing this every time new characters are added
to the ISO standard, and its hardly an issue of memory, so just set to the
maximum from the start.
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