22 lines
812 B
Rust
22 lines
812 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 OpenBSD
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use crate::{util_libc::last_os_error, Error};
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pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
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// getentropy(2) was added in OpenBSD 5.6, so we can use it unconditionally.
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for chunk in dest.chunks_mut(256) {
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let ret = unsafe { libc::getentropy(chunk.as_mut_ptr() as *mut libc::c_void, chunk.len()) };
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if ret == -1 {
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return Err(last_os_error());
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}
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}
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Ok(())
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}
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