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-rw-r--r--library/alloc/src/ffi/c_str.rs8
1 files changed, 4 insertions, 4 deletions
diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs
index f6743c65710..d5b19470e31 100644
--- a/library/alloc/src/ffi/c_str.rs
+++ b/library/alloc/src/ffi/c_str.rs
@@ -574,7 +574,7 @@ impl CString {
     #[stable(feature = "as_c_str", since = "1.20.0")]
     #[rustc_diagnostic_item = "cstring_as_c_str"]
     pub fn as_c_str(&self) -> &CStr {
-        &*self
+        unsafe { CStr::from_bytes_with_nul_unchecked(self.as_bytes_with_nul()) }
     }
 
     /// Converts this `CString` into a boxed [`CStr`].
@@ -705,14 +705,14 @@ impl ops::Deref for CString {
 
     #[inline]
     fn deref(&self) -> &CStr {
-        unsafe { CStr::from_bytes_with_nul_unchecked(self.as_bytes_with_nul()) }
+        self.as_c_str()
     }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
 impl fmt::Debug for CString {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&**self, f)
+        fmt::Debug::fmt(self.as_c_str(), f)
     }
 }
 
@@ -1116,7 +1116,7 @@ impl CStr {
     /// with the corresponding <code>&[str]</code> slice. Otherwise, it will
     /// replace any invalid UTF-8 sequences with
     /// [`U+FFFD REPLACEMENT CHARACTER`][U+FFFD] and return a
-    /// <code>[Cow]::[Owned]\(&[str])</code> with the result.
+    /// <code>[Cow]::[Owned]\([String])</code> with the result.
     ///
     /// [str]: prim@str "str"
     /// [Borrowed]: Cow::Borrowed