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-rw-r--r--third_party/rust/getrandom/src/solid.rs26
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diff --git a/third_party/rust/getrandom/src/solid.rs b/third_party/rust/getrandom/src/solid.rs
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+// Copyright 2021 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 SOLID
+use crate::Error;
+use core::num::NonZeroU32;
+
+extern "C" {
+ pub fn SOLID_RNG_SampleRandomBytes(buffer: *mut u8, length: usize) -> i32;
+}
+
+pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
+ let ret = unsafe { SOLID_RNG_SampleRandomBytes(dest.as_mut_ptr(), dest.len()) };
+ if ret >= 0 {
+ Ok(())
+ } else {
+ // ITRON error numbers are always negative, so we negate it so that it
+ // falls in the dedicated OS error range (1..INTERNAL_START).
+ Err(NonZeroU32::new((-ret) as u32).unwrap().into())
+ }
+}