rust/library/std/src/sys/random/hermit.rs

7 lines
278 B
Rust

pub fn fill_bytes(mut bytes: &mut [u8]) {
while !bytes.is_empty() {
let res = unsafe { hermit_abi::read_entropy(bytes.as_mut_ptr(), bytes.len(), 0) };
assert_ne!(res, -1, "failed to generate random data");
bytes = &mut bytes[res as usize..];
}
}