1 // Copyright 2018 Developers of the Rand project.
2 //
3 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
4 // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
5 // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
6 // option. This file may not be copied, modified, or distributed
7 // except according to those terms.
8 
9 //! Implementation for OpenBSD
10 use crate::util_libc::last_os_error;
11 use crate::Error;
12 
getrandom_inner(dest: &mut [u8]) -> Result<(), Error>13 pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
14     for chunk in dest.chunks_mut(256) {
15         let ret = unsafe { libc::getentropy(chunk.as_mut_ptr() as *mut libc::c_void, chunk.len()) };
16         if ret == -1 {
17             let err = last_os_error();
18             error!("libc::getentropy call failed");
19             return Err(err);
20         }
21     }
22     Ok(())
23 }
24