You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
43 lines
1.2 KiB
// Copyright 2016 blake2-rfc Developers
|
|
//
|
|
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
|
|
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
|
|
// http://opensource.org/licenses/MIT>, at your option. This file may not be
|
|
// copied, modified, or distributed except according to those terms.
|
|
|
|
use core::mem;
|
|
use core::slice;
|
|
|
|
pub unsafe trait Safe {}
|
|
|
|
pub trait AsBytes {
|
|
fn as_bytes(&self) -> &[u8];
|
|
fn as_mut_bytes(&mut self) -> &mut [u8];
|
|
}
|
|
|
|
impl<T: Safe> AsBytes for [T] {
|
|
#[inline]
|
|
fn as_bytes(&self) -> &[u8] {
|
|
unsafe {
|
|
slice::from_raw_parts(self.as_ptr() as *const u8,
|
|
self.len() * mem::size_of::<T>())
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
fn as_mut_bytes(&mut self) -> &mut [u8] {
|
|
unsafe {
|
|
slice::from_raw_parts_mut(self.as_mut_ptr() as *mut u8,
|
|
self.len() * mem::size_of::<T>())
|
|
}
|
|
}
|
|
}
|
|
|
|
unsafe impl Safe for u8 {}
|
|
unsafe impl Safe for u16 {}
|
|
unsafe impl Safe for u32 {}
|
|
unsafe impl Safe for u64 {}
|
|
unsafe impl Safe for i8 {}
|
|
unsafe impl Safe for i16 {}
|
|
unsafe impl Safe for i32 {}
|
|
unsafe impl Safe for i64 {}
|
|
|