1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/rust/ntapi/src/string.rs b/third_party/rust/ntapi/src/string.rs
new file mode 100644
index 0000000000..32bfa50246
--- /dev/null
+++ b/third_party/rust/ntapi/src/string.rs
@@ -0,0 +1,58 @@
+/// A wrapper over UTF16 string constants.
+pub struct UTF16Const(pub &'static [u16]);
+impl UTF16Const {
+    #[inline]
+    pub fn as_ptr(&self) -> *const u16 {
+        self.0.as_ptr()
+    }
+    #[inline]
+    pub fn as_mut_ptr(&self) -> *mut u16 {
+        self.0.as_ptr() as *mut u16
+    }
+    #[inline]
+    pub fn len(&self) -> usize {
+        self.0.len() - 1
+    }
+}
+impl AsRef<[u16]> for UTF16Const {
+    #[inline]
+    fn as_ref(&self) -> &[u16] {
+        &self.0[..self.len()]
+    }
+}
+impl Copy for UTF16Const {}
+impl Clone for UTF16Const {
+    #[inline]
+    fn clone(&self) -> UTF16Const { *self }
+}
+/// A wrapper over UTF8 string constants.
+pub struct UTF8Const(pub &'static str);
+impl UTF8Const {
+    #[inline]
+    pub fn as_ptr(&self) -> *const i8 {
+        self.0.as_ptr() as *const i8
+    }
+    #[inline]
+    pub fn as_mut_ptr(&self) -> *mut i8 {
+        self.0.as_ptr() as *mut i8
+    }
+    #[inline]
+    pub fn len(&self) -> usize {
+        self.0.len() - 1
+    }
+    #[inline]
+    pub fn as_str(&self) -> &str {
+        &self.0[..self.len()]
+    }
+}
+impl AsRef<str> for UTF8Const {
+    #[inline]
+    fn as_ref(&self) -> &str {
+        &self.0[..self.len()]
+    }
+}
+impl Copy for UTF8Const {}
+impl Clone for UTF8Const {
+    #[inline]
+    fn clone(&self) -> UTF8Const { *self }
+}