diff options
Diffstat (limited to 'third_party/rust/getrandom/src/fuchsia.rs')
-rw-r--r-- | third_party/rust/getrandom/src/fuchsia.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/third_party/rust/getrandom/src/fuchsia.rs b/third_party/rust/getrandom/src/fuchsia.rs new file mode 100644 index 0000000000..5a135f3430 --- /dev/null +++ b/third_party/rust/getrandom/src/fuchsia.rs @@ -0,0 +1,21 @@ +// Copyright 2018 Developers of the Rand project. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +//! Implementation for Fuchsia Zircon +use crate::Error; +use core::mem::MaybeUninit; + +#[link(name = "zircon")] +extern "C" { + fn zx_cprng_draw(buffer: *mut u8, length: usize); +} + +pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> { + unsafe { zx_cprng_draw(dest.as_mut_ptr() as *mut u8, dest.len()) } + Ok(()) +} |