[webkit-dev] Should LChar really being unsigned char? (was Re: SerializedScriptValue: signed vs unsigned char)

Glenn Adams glenn at skynav.com
Sun Feb 10 09:14:56 PST 2013

On Sun, Feb 10, 2013 at 10:03 AM, Balazs Kelemen <kbalazs at webkit.org> wrote:

>  On 02/07/2013 01:48 AM, Maciej Stachowiak wrote:
>  I think we should continue to use uint8_t instead of char as the primary
> way to represent a raw byte in WebKit. First, it's good to distinguish raw
> data from C strings at the type system level, and second, the unpredictable
> signedness of char is actively bad for byte-oriented processing. Another
> library making a different choice doesn't overcome these reasons.
> I agree with that, but I still don't see why should LChar be unsigned
> since it is a character and not a raw byte. It would be somewhat more
> convenient when dealing with string literals or traditional C libraries. I
> you agree I could investigate in the refactoring work.

Because LChar is often (always?) UTF-8 encoded, the individual encoding
units of which are 0x00 through 0xFF.
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