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use crate::io;
use crate::mem;
use crate::sys::c;
#[cfg(not(target_vendor = "uwp"))]
pub fn hashmap_random_keys() -> (u64, u64) {
let mut v = (0, 0);
let ret =
unsafe { c::RtlGenRandom(&mut v as *mut _ as *mut u8, mem::size_of_val(&v) as c::ULONG) };
if ret == 0 {
panic!("couldn't generate random bytes: {}", io::Error::last_os_error());
}
v
}
#[cfg(target_vendor = "uwp")]
pub fn hashmap_random_keys() -> (u64, u64) {
use crate::ptr;
let mut v = (0, 0);
let ret = unsafe {
c::BCryptGenRandom(
ptr::null_mut(),
&mut v as *mut _ as *mut u8,
mem::size_of_val(&v) as c::ULONG,
c::BCRYPT_USE_SYSTEM_PREFERRED_RNG,
)
};
if ret != 0 {
panic!("couldn't generate random bytes: {}", io::Error::last_os_error());
}
return v;
}