1 //! Implementation for OpenBSD
2 use crate::{util_libc::last_os_error, Error};
3 use core::mem::MaybeUninit;
4 
getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error>5 pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
6     // getentropy(2) was added in OpenBSD 5.6, so we can use it unconditionally.
7     for chunk in dest.chunks_mut(256) {
8         let ret = unsafe { libc::getentropy(chunk.as_mut_ptr() as *mut libc::c_void, chunk.len()) };
9         if ret == -1 {
10             return Err(last_os_error());
11         }
12     }
13     Ok(())
14 }
15