diff options
Diffstat (limited to 'getrandom/src/bsd_arandom.rs')
-rw-r--r-- | getrandom/src/bsd_arandom.rs | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/getrandom/src/bsd_arandom.rs b/getrandom/src/bsd_arandom.rs deleted file mode 100644 index eb564ff..0000000 --- a/getrandom/src/bsd_arandom.rs +++ /dev/null @@ -1,49 +0,0 @@ -// 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 FreeBSD and NetBSD -use crate::util_libc::sys_fill_exact; -use crate::Error; -use core::ptr; - -fn kern_arnd(buf: &mut [u8]) -> libc::ssize_t { - static MIB: [libc::c_int; 2] = [libc::CTL_KERN, libc::KERN_ARND]; - let mut len = buf.len(); - let ret = unsafe { - libc::sysctl( - MIB.as_ptr(), - MIB.len() as libc::c_uint, - buf.as_mut_ptr() as *mut _, - &mut len, - ptr::null(), - 0, - ) - }; - if ret == -1 { - error!("sysctl kern.arandom: syscall failed"); - -1 - } else { - len as libc::ssize_t - } -} - -pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> { - #[cfg(target_os = "freebsd")] - { - use crate::util_libc::Weak; - static GETRANDOM: Weak = unsafe { Weak::new("getrandom\0") }; - type GetRandomFn = - unsafe extern "C" fn(*mut u8, libc::size_t, libc::c_uint) -> libc::ssize_t; - - if let Some(fptr) = GETRANDOM.ptr() { - let func: GetRandomFn = unsafe { core::mem::transmute(fptr) }; - return sys_fill_exact(dest, |buf| unsafe { func(buf.as_mut_ptr(), buf.len(), 0) }); - } - } - sys_fill_exact(dest, kern_arnd) -} |