Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/third_party/rust/bincode/src/config/trailing.rs b/third_party/rust/bincode/src/config/trailing.rs
new file mode 100644
index 0000000000..6052fc7d78
--- /dev/null
+++ b/third_party/rust/bincode/src/config/trailing.rs
@@ -0,0 +1,37 @@
+use de::read::SliceReader;

+use {ErrorKind, Result};

+

+/// A trait for erroring deserialization if not all bytes were read.

+pub trait TrailingBytes {

+    /// Checks a given slice reader to determine if deserialization used all bytes in the slice.

+    fn check_end(reader: &SliceReader) -> Result<()>;

+}

+

+/// A TrailingBytes config that will allow trailing bytes in slices after deserialization.

+#[derive(Copy, Clone)]

+pub struct AllowTrailing;

+

+/// A TrailingBytes config that will cause bincode to produce an error if bytes are left over in the slice when deserialization is complete.

+

+#[derive(Copy, Clone)]

+pub struct RejectTrailing;

+

+impl TrailingBytes for AllowTrailing {

+    #[inline(always)]

+    fn check_end(_reader: &SliceReader) -> Result<()> {

+        Ok(())

+    }

+}

+

+impl TrailingBytes for RejectTrailing {

+    #[inline(always)]

+    fn check_end(reader: &SliceReader) -> Result<()> {

+        if reader.is_finished() {

+            Ok(())

+        } else {

+            Err(Box::new(ErrorKind::Custom(

+                "Slice had bytes remaining after deserialization".to_string(),

+            )))

+        }

+    }

+}