The array at the end of the struct is not a VLA on the stack. When you allocate the struct, you add enough extra to hold the contents of the array. VLAs on the

The array at the end of the struct is not a VLA on the stack. When you allocate the struct, you add enough extra to hold the contents of the array. VLAs on the stack are pretty much universally considered a bad idea, as far as I can tell.