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author | Joel Galenson <jgalenson@google.com> | 2020-07-07 13:20:14 -0700 |
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committer | Joel Galenson <jgalenson@google.com> | 2020-07-07 13:38:10 -0700 |
commit | 4be0c6de7cc0c35144d78e245226e2d259b2524f (patch) | |
tree | d97ce5311c2d0e062e6efc8a93537787aada3660 /src/wasi.rs | |
parent | 65681d36bd49a53b9d21f6339eace04fa70b907f (diff) | |
download | getrandom-4be0c6de7cc0c35144d78e245226e2d259b2524f.tar.gz |
Import getrandom-0.1.14
Change-Id: I2e27b76bb8b37119712eeda01f94641a77cce5fd
Diffstat (limited to 'src/wasi.rs')
-rw-r--r-- | src/wasi.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/wasi.rs b/src/wasi.rs new file mode 100644 index 0000000..4674f43 --- /dev/null +++ b/src/wasi.rs @@ -0,0 +1,19 @@ +// 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::random_get; + +pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> { + unsafe { random_get(dest.as_mut_ptr(), dest.len()) }.map_err(|e: wasi::Error| { + // convert wasi's Error into getrandom's NonZeroU32 error + NonZeroU32::new(e.raw_error() as u32).unwrap().into() + }) +} |