summaryrefslogtreecommitdiff
path: root/getrandom/src/openbsd.rs
diff options
context:
space:
mode:
Diffstat (limited to 'getrandom/src/openbsd.rs')
-rw-r--r--getrandom/src/openbsd.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/getrandom/src/openbsd.rs b/getrandom/src/openbsd.rs
new file mode 100644
index 0000000..e1ac179
--- /dev/null
+++ b/getrandom/src/openbsd.rs
@@ -0,0 +1,23 @@
+// 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 OpenBSD
+use crate::util_libc::last_os_error;
+use crate::Error;
+
+pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
+ for chunk in dest.chunks_mut(256) {
+ let ret = unsafe { libc::getentropy(chunk.as_mut_ptr() as *mut libc::c_void, chunk.len()) };
+ if ret == -1 {
+ let err = last_os_error();
+ error!("libc::getentropy call failed");
+ return Err(err);
+ }
+ }
+ Ok(())
+}