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Diffstat (limited to 'rand/rand_os/src/macos.rs')
-rw-r--r-- | rand/rand_os/src/macos.rs | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/rand/rand_os/src/macos.rs b/rand/rand_os/src/macos.rs deleted file mode 100644 index 6c67251..0000000 --- a/rand/rand_os/src/macos.rs +++ /dev/null @@ -1,53 +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 MacOS / iOS - -extern crate libc; - -use rand_core::{Error, ErrorKind}; -use super::OsRngImpl; - -use std::io; -use self::libc::{c_int, size_t}; - -#[derive(Clone, Debug)] -pub struct OsRng; - -enum SecRandom {} - -#[allow(non_upper_case_globals)] -const kSecRandomDefault: *const SecRandom = 0 as *const SecRandom; - -#[link(name = "Security", kind = "framework")] -extern { - fn SecRandomCopyBytes(rnd: *const SecRandom, - count: size_t, bytes: *mut u8) -> c_int; -} - -impl OsRngImpl for OsRng { - fn new() -> Result<OsRng, Error> { Ok(OsRng) } - - fn fill_chunk(&mut self, dest: &mut [u8]) -> Result<(), Error> { - let ret = unsafe { - SecRandomCopyBytes(kSecRandomDefault, - dest.len() as size_t, - dest.as_mut_ptr()) - }; - if ret == -1 { - Err(Error::with_cause( - ErrorKind::Unavailable, - "couldn't generate random bytes", - io::Error::last_os_error())) - } else { - Ok(()) - } - } - - fn method_str(&self) -> &'static str { "SecRandomCopyBytes" } -} |