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Codechange: let lengthof fail when anything that isn't a C-style array is passed
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@ -273,6 +273,9 @@ static_assert(SIZE_MAX >= UINT32_MAX);
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#define M_PI 3.14159265358979323846
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#endif /* M_PI_2 */
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template <typename T, size_t N>
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char (&ArraySizeHelper(T (&array)[N]))[N];
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/**
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* Return the length of an fixed size array.
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* Unlike sizeof this function returns the number of elements
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@ -281,7 +284,7 @@ static_assert(SIZE_MAX >= UINT32_MAX);
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* @param x The pointer to the first element of the array
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* @return The number of elements
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*/
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#define lengthof(x) (sizeof(x) / sizeof(x[0]))
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#define lengthof(array) (sizeof(ArraySizeHelper(array)))
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/**
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* Get the end element of an fixed size array.
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