Re^3: XS: returning a 64-bit unsigned int?

[ikegami]

in reply to Re^2: XS: returning a 64-bit unsigned int?
in thread XS: returning a 64-bit unsigned int?

sv_setuv_mg(sv, uv); is actually what you want unless you follow the sv_setuv(sv, uv); with SvSETMAGIC(sv);.

[BrowserUk]

Are you sure? (And can you explain why magic is needed?)

Because it seems to work just fine without any magic?

[ikegami]

If there's no set magic attached, SvSETMAGIC(sv) does nothing. If there is, SvSETMAGIC(sv) makes it work. Knowing you and having just seen how you plan to use this, I know you'll simply assume there's no magic attached to the scalar.