Add is_empty to P{,C}WSTR

microsoft · Apr 22, 2024 · 5d88893 · 5d88893
1 parent b3833cf
commit 5d88893
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/crates/libs/core/src/strings/pcwstr.rs b/crates/libs/core/src/strings/pcwstr.rs
@@ -54,6 +54,15 @@ impl PCWSTR {
         len
     }
 
+    /// Returns `true` if the string length is zero, and `false` otherwise.
+    ///
+    /// # Safety
+    ///
+    /// The `PCWSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn is_empty(&self) -> bool {
+        self.len() == 0
+    }
+
     /// String data without the trailing 0
     ///
     /// # Safety

diff --git a/crates/libs/core/src/strings/pwstr.rs b/crates/libs/core/src/strings/pwstr.rs
@@ -35,6 +35,15 @@ impl PWSTR {
         PCWSTR(self.0).len()
     }
 
+    /// Returns `true` if the string length is zero, and `false` otherwise.
+    ///
+    /// # Safety
+    ///
+    /// The `PWSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn is_empty(&self) -> bool {
+        self.len() == 0
+    }
+
     /// String data without the trailing 0.
     ///
     /// # Safety