fix typos

Author: liuzhenyu

alloc/src/rc.rs

@@ -2101,7 +2101,7 @@ impl<T: ?Sized> Unpin for Rc<T> {}
 ///
 /// - This function is safe for any argument if `T` is sized, and
 /// - if `T` is unsized, the pointer must have appropriate pointer metadata
-///   aquired from the real instance that you are getting this offset for.
+///   acquired from the real instance that you are getting this offset for.
 unsafe fn data_offset<T: ?Sized>(ptr: *const T) -> isize {
     // Align the unsized value to the end of the `RcBox`.
     // Because it is ?Sized, it will always be the last field in memory.

alloc/src/sync.rs

@@ -2255,7 +2255,7 @@ impl<T: ?Sized> Unpin for Arc<T> {}
 ///
 /// - This function is safe for any argument if `T` is sized, and
 /// - if `T` is unsized, the pointer must have appropriate pointer metadata
-///   aquired from the real instance that you are getting this offset for.
+///   acquired from the real instance that you are getting this offset for.
 unsafe fn data_offset<T: ?Sized>(ptr: *const T) -> isize {
     // Align the unsized value to the end of the `ArcInner`.
     // Because it is `?Sized`, it will always be the last field in memory.

alloc/tests/boxed.rs

@@ -37,7 +37,7 @@ fn box_clone_and_clone_from_equivalence() {
 /// This test might give a false positive in case the box realocates, but the alocator keeps the
 /// original pointer.
 ///
-/// On the other hand it won't give a false negative, if it fails than the memory was definitly not
+/// On the other hand it won't give a false negative, if it fails than the memory was definitely not
 /// reused
 #[test]
 fn box_clone_from_ptr_stability() {

std/src/alloc.rs

@@ -189,7 +189,7 @@ unsafe impl AllocRef for System {
             ReallocPlacement::MayMove if layout.size() == 0 => {
                 let new_layout =
                     // SAFETY: The new size and layout alignement guarantees
-                    // are transfered to the caller (they come from parameters).
+                    // are transferred to the caller (they come from parameters).
                     //
                     // See the preconditions for `Layout::from_size_align` to
                     // see what must be checked.
@@ -254,7 +254,7 @@ unsafe impl AllocRef for System {
                 //
                 // See `GlobalAlloc::realloc` for more informations about the
                 // guarantees expected by this method. `ptr`, `layout` and
-                // `new_size` are parameters and the responsability for their
+                // `new_size` are parameters and the responsibility for their
                 // correctness is left to the caller.
                 //
                 // `realloc` probably checks for `new_size < size` or something

std/src/keyword_docs.rs

@@ -1363,7 +1363,7 @@ mod self_upper_keyword {}
 ///
 /// let r1 = &FOO as *const _;
 /// let r2 = &FOO as *const _;
-/// // With a strictly read-only static, references will have the same adress
+/// // With a strictly read-only static, references will have the same address
 /// assert_eq!(r1, r2);
 /// // A static item can be used just like a variable in many cases
 /// println!("{:?}", FOO);

std/src/sync/once.rs

@@ -81,7 +81,7 @@
 //   see the changes to drop the `Waiter` struct correctly.
 // * There is one place where the two atomics `Once.state_and_queue` and
 //   `Waiter.signaled` come together, and might be reordered by the compiler or
-//   processor. Because both use Aquire ordering such a reordering is not
+//   processor. Because both use Acquire ordering such a reordering is not
 //   allowed, so no need for SeqCst.
 
 use crate::cell::Cell;