void String::copyFromUTF16(...) - Comments

Tsuda Kageyu tsuda.kageyu at gmail.com
Tue Jan 21 16:04:58 UTC 2014

Hi Festus.

As you know, UTF-16 strings can be encoded in either little-endian or 
big-endian form. Little-endian ones have a BOM like { 0xff, 0xfe } and 
big-endian ones have { 0xfe, 0xff }.

If you read a little-endian BOM as a 16-bit integer in a little-endian 
system, it will be 0xfeff.

That's what this line checks.
> if(length >= 1 && s[0] == 0xfeff)


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