aboutsummaryrefslogtreecommitdiff
path: root/vendor/rustix/src/rand/getrandom.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/rustix/src/rand/getrandom.rs')
-rw-r--r--vendor/rustix/src/rand/getrandom.rs43
1 files changed, 0 insertions, 43 deletions
diff --git a/vendor/rustix/src/rand/getrandom.rs b/vendor/rustix/src/rand/getrandom.rs
deleted file mode 100644
index c7f117a..0000000
--- a/vendor/rustix/src/rand/getrandom.rs
+++ /dev/null
@@ -1,43 +0,0 @@
-#![allow(unsafe_code)]
-
-use crate::buffer::split_init;
-use crate::{backend, io};
-use core::mem::MaybeUninit;
-
-pub use backend::rand::types::GetRandomFlags;
-
-/// `getrandom(buf, flags)`—Reads a sequence of random bytes.
-///
-/// This is a very low-level API which may be difficult to use correctly. Most
-/// users should prefer to use [`getrandom`] or [`rand`] APIs instead.
-///
-/// [`getrandom`]: https://crates.io/crates/getrandom
-/// [`rand`]: https://crates.io/crates/rand
-///
-/// # References
-/// - [Linux]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/getrandom.2.html
-#[inline]
-pub fn getrandom(buf: &mut [u8], flags: GetRandomFlags) -> io::Result<usize> {
- unsafe { backend::rand::syscalls::getrandom(buf.as_mut_ptr(), buf.len(), flags) }
-}
-
-/// `getrandom(buf, flags)`—Reads a sequence of random bytes.
-///
-/// This is identical to [`getrandom`], except that it can read into
-/// uninitialized memory. It returns the slice that was initialized by this
-/// function and the slice that remains uninitialized.
-#[inline]
-pub fn getrandom_uninit(
- buf: &mut [MaybeUninit<u8>],
- flags: GetRandomFlags,
-) -> io::Result<(&mut [u8], &mut [MaybeUninit<u8>])> {
- // Get number of initialized bytes.
- let length = unsafe {
- backend::rand::syscalls::getrandom(buf.as_mut_ptr() as *mut u8, buf.len(), flags)
- };
-
- // Split into the initialized and uninitialized portions.
- Ok(unsafe { split_init(buf, length?) })
-}