progressag/sys

1 files changed, 29 insertions, 0 deletions

diff --git a/src/os/windows/rawpath.rs b/src/os/windows/rawpath.rs
new file mode 100644
index 0000000..ff6d19a
--- /dev/null
+++ b/src/os/windows/rawpath.rs
@@ -0,0 +1,29 @@
+use std::fmt;
+
+#[derive(Clone)]
+pub struct RawPathBuf {
+    /// Buf always has length at least 1 and always ends with a zero u16.
+    /// Buf only ever contains exactly 1 zero u16. (i.e., no interior NULs.)
+    buf: Vec<u16>,
+}
+
+impl fmt::Debug for RawPathBuf {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        use crate::os::windows::escaped_u16s;
+
+        f.debug_struct("RawPathBuf")
+            .field("buf", &escaped_u16s(self.as_code_units()))
+            .finish()
+    }
+}
+
+impl RawPathBuf {
+    /// Returns the code units (u16s) of this path without the NUL terminator.
+    pub fn as_code_units(&self) -> &[u16] {
+        &self.buf[..self.buf.len() - 1]
+    }
+
+    unsafe fn drop_nul(&mut self) {
+        self.buf.set_len(self.buf.len() - 1);
+    }
+}