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-rw-r--r--getrandom/src/fuchsia.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/getrandom/src/fuchsia.rs b/getrandom/src/fuchsia.rs
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+// 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;
+
+#[link(name = "zircon")]
+extern "C" {
+ fn zx_cprng_draw(buffer: *mut u8, length: usize);
+}
+
+pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
+ unsafe { zx_cprng_draw(dest.as_mut_ptr(), dest.len()) }
+ Ok(())
+}