1 files changed, 26 insertions, 0 deletions
diff --git a/rust/vendor/lzma-rs/src/encode/lzma2.rs b/rust/vendor/lzma-rs/src/encode/lzma2.rs
new file mode 100644
index 0000000..ead0726
--- /dev/null
+++ b/rust/vendor/lzma-rs/src/encode/lzma2.rs
@@ -0,0 +1,26 @@
+use byteorder::{BigEndian, WriteBytesExt};
+use std::io;
+
+pub fn encode_stream<R, W>(input: &mut R, output: &mut W) -> io::Result<()>
+where
+    R: io::BufRead,
+    W: io::Write,
+{
+    let mut buf = vec![0u8; 0x10000];
+    loop {
+        let n = input.read(&mut buf)?;
+        if n == 0 {
+            // status = EOF
+            output.write_u8(0)?;
+            break;
+        }
+
+        // status = uncompressed reset dict
+        output.write_u8(1)?;
+        // unpacked size
+        output.write_u16::<BigEndian>((n - 1) as u16)?;
+        // contents
+        output.write_all(&buf[..n])?;
+    }
+    Ok(())
+}