I'm looking for an example of a concave function $g\colon [0,1]\to\mathbb{R}$, $g(0)=0$ such that:
$$\liminf_{x\to 0^+}\frac{g(x)}{-x\ln x}\neq \limsup_{x\to 0^+}\frac{g(x)}{-x\ln x}.$$

Moreover is it possible that the upper limit is infinite while the lower limit is finite?