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lua multiple return values


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#1   Members   -  Reputation: 1859

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Posted 03 February 2012 - 08:19 AM

function foo(a)
-- ...
return a, b
end
I got this function which returns a and b. Is it possible to register a C function using lua_register() that returns multiple values the same way? Or should I resort to push a table to the stack instead?

#2   Crossbones+   -  Reputation: 902

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Posted 03 February 2012 - 08:31 AM

Yes,

leave the arguments that you want to return on the stack and let the C function return the numbers of arguments you want to return to lua

// psudeo
int cfunction(lua_State * state)
{
	 push(arg1)
	 push(arg2)

	 return 2;
}

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#3   Members   -  Reputation: 1859

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Posted 03 February 2012 - 08:46 AM

Ah! it worked, tackar så mkt :-)




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