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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/rust/getrandom/src/wasi.rs
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/getrandom/src/wasi.rs')
-rw-r--r--third_party/rust/getrandom/src/wasi.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/rust/getrandom/src/wasi.rs b/third_party/rust/getrandom/src/wasi.rs
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+++ b/third_party/rust/getrandom/src/wasi.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 WASI
+use crate::Error;
+use core::num::NonZeroU32;
+use wasi::wasi_snapshot_preview1::random_get;
+
+pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
+ match unsafe { random_get(dest.as_mut_ptr() as i32, dest.len() as i32) } {
+ 0 => Ok(()),
+ err => Err(unsafe { NonZeroU32::new_unchecked(err as u32) }.into()),
+ }
+}