//@only-target-linux #![feature(rustc_private)] use std::ptr; fn main() { let mut buf = [0u8; 5]; unsafe { assert_eq!( libc::syscall( libc::SYS_getrandom, ptr::null_mut::(), 0 as libc::size_t, 0 as libc::c_uint, ), 0, ); assert_eq!( libc::syscall( libc::SYS_getrandom, buf.as_mut_ptr() as *mut libc::c_void, 5 as libc::size_t, 0 as libc::c_uint, ), 5, ); assert_eq!( libc::getrandom(ptr::null_mut::(), 0 as libc::size_t, 0 as libc::c_uint), 0, ); assert_eq!( libc::getrandom( buf.as_mut_ptr() as *mut libc::c_void, 5 as libc::size_t, 0 as libc::c_uint, ), 5, ); } }