20 lines
724 B
Rust
20 lines
724 B
Rust
// Copyright 2018 Developers of the Rand project.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Implementation for WASI
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use crate::Error;
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use core::num::NonZeroU32;
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use wasi::wasi_snapshot_preview1::random_get;
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pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
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match unsafe { random_get(dest.as_mut_ptr() as i32, dest.len() as i32) } {
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0 => Ok(()),
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err => Err(unsafe { NonZeroU32::new_unchecked(err as u32) }.into()),
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}
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}
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