1 files changed, 0 insertions, 101 deletions
diff --git a/vendor/getrandom/src/backends/linux_android_with_fallback.rs b/vendor/getrandom/src/backends/linux_android_with_fallback.rs
deleted file mode 100644
index 2ad8f0a4..00000000
--- a/vendor/getrandom/src/backends/linux_android_with_fallback.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-//! Implementation for Linux / Android with `/dev/urandom` fallback
-use super::use_file;
-use crate::Error;
-use core::{
-    ffi::c_void,
-    mem::{transmute, MaybeUninit},
-    ptr::NonNull,
-    sync::atomic::{AtomicPtr, Ordering},
-};
-use use_file::util_libc;
-
-pub use crate::util::{inner_u32, inner_u64};
-
-type GetRandomFn = unsafe extern "C" fn(*mut c_void, libc::size_t, libc::c_uint) -> libc::ssize_t;
-
-/// Sentinel value which indicates that `libc::getrandom` either not available,
-/// or not supported by kernel.
-const NOT_AVAILABLE: NonNull<c_void> = unsafe { NonNull::new_unchecked(usize::MAX as *mut c_void) };
-
-static GETRANDOM_FN: AtomicPtr<c_void> = AtomicPtr::new(core::ptr::null_mut());
-
-#[cold]
-#[inline(never)]
-fn init() -> NonNull<c_void> {
-    // Use static linking to `libc::getrandom` on MUSL targets and `dlsym` everywhere else
-    #[cfg(not(target_env = "musl"))]
-    let raw_ptr = {
-        static NAME: &[u8] = b"getrandom\0";
-        let name_ptr = NAME.as_ptr().cast::<libc::c_char>();
-        unsafe { libc::dlsym(libc::RTLD_DEFAULT, name_ptr) }
-    };
-    #[cfg(target_env = "musl")]
-    let raw_ptr = {
-        let fptr: GetRandomFn = libc::getrandom;
-        unsafe { transmute::<GetRandomFn, *mut c_void>(fptr) }
-    };
-
-    let res_ptr = match NonNull::new(raw_ptr) {
-        Some(fptr) => {
-            let getrandom_fn = unsafe { transmute::<NonNull<c_void>, GetRandomFn>(fptr) };
-            let dangling_ptr = NonNull::dangling().as_ptr();
-            // Check that `getrandom` syscall is supported by kernel
-            let res = unsafe { getrandom_fn(dangling_ptr, 0, 0) };
-            if cfg!(getrandom_test_linux_fallback) {
-                NOT_AVAILABLE
-            } else if res.is_negative() {
-                match util_libc::last_os_error().raw_os_error() {
-                    Some(libc::ENOSYS) => NOT_AVAILABLE, // No kernel support
-                    // The fallback on EPERM is intentionally not done on Android since this workaround
-                    // seems to be needed only for specific Linux-based products that aren't based
-                    // on Android. See https://github.com/rust-random/getrandom/issues/229.
-                    #[cfg(target_os = "linux")]
-                    Some(libc::EPERM) => NOT_AVAILABLE, // Blocked by seccomp
-                    _ => fptr,
-                }
-            } else {
-                fptr
-            }
-        }
-        None => NOT_AVAILABLE,
-    };
-
-    #[cfg(getrandom_test_linux_without_fallback)]
-    if res_ptr == NOT_AVAILABLE {
-        panic!("Fallback is triggered with enabled `getrandom_test_linux_without_fallback`")
-    }
-
-    GETRANDOM_FN.store(res_ptr.as_ptr(), Ordering::Release);
-    res_ptr
-}
-
-// Prevent inlining of the fallback implementation
-#[inline(never)]
-fn use_file_fallback(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
-    use_file::fill_inner(dest)
-}
-
-#[inline]
-pub fn fill_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
-    // Despite being only a single atomic variable, we still cannot always use
-    // Ordering::Relaxed, as we need to make sure a successful call to `init`
-    // is "ordered before" any data read through the returned pointer (which
-    // occurs when the function is called). Our implementation mirrors that of
-    // the one in libstd, meaning that the use of non-Relaxed operations is
-    // probably unnecessary.
-    let raw_ptr = GETRANDOM_FN.load(Ordering::Acquire);
-    let fptr = match NonNull::new(raw_ptr) {
-        Some(p) => p,
-        None => init(),
-    };
-
-    if fptr == NOT_AVAILABLE {
-        use_file_fallback(dest)
-    } else {
-        // note: `transmute` is currently the only way to convert a pointer into a function reference
-        let getrandom_fn = unsafe { transmute::<NonNull<c_void>, GetRandomFn>(fptr) };
-        util_libc::sys_fill_exact(dest, |buf| unsafe {
-            getrandom_fn(buf.as_mut_ptr().cast(), buf.len(), 0)
-        })
-    }
-}