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 Fuchsia Zircon 10 use crate::Error; 11 12 #[link(name = "zircon")] 13 extern "C" { zx_cprng_draw(buffer: *mut u8, length: usize)14 fn zx_cprng_draw(buffer: *mut u8, length: usize); 15 } 16 getrandom_inner(dest: &mut [u8]) -> Result<(), Error>17pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> { 18 unsafe { zx_cprng_draw(dest.as_mut_ptr(), dest.len()) } 19 Ok(()) 20 } 21