chore: add vendor directory

1 files changed, 64 insertions, 0 deletions

diff --git a/vendor/windows-strings/src/pstr.rs b/vendor/windows-strings/src/pstr.rs
new file mode 100644
index 00000000..141d481b
--- /dev/null
+++ b/vendor/windows-strings/src/pstr.rs
@@ -0,0 +1,64 @@
+use super::*;
+
+/// A pointer to a null-terminated string of 8-bit Windows (ANSI) characters.
+#[repr(transparent)]
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub struct PSTR(pub *mut u8);
+
+impl PSTR {
+    /// Construct a new `PSTR` from a raw pointer
+    pub const fn from_raw(ptr: *mut u8) -> Self {
+        Self(ptr)
+    }
+
+    /// Construct a null `PSTR`
+    pub const fn null() -> Self {
+        Self(core::ptr::null_mut())
+    }
+
+    /// Returns a raw pointer to the `PSTR`
+    pub const fn as_ptr(&self) -> *mut u8 {
+        self.0
+    }
+
+    /// Checks whether the `PSTR` is null
+    pub fn is_null(&self) -> bool {
+        self.0.is_null()
+    }
+
+    /// String data without the trailing 0
+    ///
+    /// # Safety
+    ///
+    /// The `PSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn as_bytes(&self) -> &[u8] {
+        unsafe {
+            let len = strlen(PCSTR::from_raw(self.0));
+            core::slice::from_raw_parts(self.0, len)
+        }
+    }
+
+    /// Copy the `PSTR` into a Rust `String`.
+    ///
+    /// # Safety
+    ///
+    /// See the safety information for `PSTR::as_bytes`.
+    pub unsafe fn to_string(&self) -> core::result::Result<String, alloc::string::FromUtf8Error> {
+        unsafe { String::from_utf8(self.as_bytes().into()) }
+    }
+
+    /// Allow this string to be displayed.
+    ///
+    /// # Safety
+    ///
+    /// See the safety information for `PSTR::as_bytes`.
+    pub unsafe fn display(&self) -> impl core::fmt::Display + '_ {
+        unsafe { Decode(move || decode_utf8(self.as_bytes())) }
+    }
+}
+
+impl Default for PSTR {
+    fn default() -> Self {
+        Self::null()
+    }
+}