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Diffstat (limited to 'rand/rand_os/src/windows.rs')
-rw-r--r-- | rand/rand_os/src/windows.rs | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/rand/rand_os/src/windows.rs b/rand/rand_os/src/windows.rs deleted file mode 100644 index 6b06c7a..0000000 --- a/rand/rand_os/src/windows.rs +++ /dev/null @@ -1,44 +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 Windows - -extern crate winapi; - -use rand_core::{Error, ErrorKind}; -use super::OsRngImpl; - -use std::io; - -use self::winapi::shared::minwindef::ULONG; -use self::winapi::um::ntsecapi::RtlGenRandom; -use self::winapi::um::winnt::PVOID; - -#[derive(Clone, Debug)] -pub struct OsRng; - -impl OsRngImpl for OsRng { - fn new() -> Result<OsRng, Error> { Ok(OsRng) } - - fn fill_chunk(&mut self, dest: &mut [u8]) -> Result<(), Error> { - let ret = unsafe { - RtlGenRandom(dest.as_mut_ptr() as PVOID, dest.len() as ULONG) - }; - if ret == 0 { - return Err(Error::with_cause( - ErrorKind::Unavailable, - "couldn't generate random bytes", - io::Error::last_os_error())); - } - Ok(()) - } - - fn max_chunk_size(&self) -> usize { <ULONG>::max_value() as usize } - - fn method_str(&self) -> &'static str { "RtlGenRandom" } -} |