Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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(())
+}