print fractional compressed size

uw8-tool/src/base_module.rs

@@ -286,7 +286,7 @@ impl BaseModule {
 
     pub fn create_binary(path: &Path) -> Result<()> {
         let base1 = BaseModule::for_format_version(1)?.to_wasm();
-        let data = upkr::pack(&base1, 4, None);
+        let data = upkr::pack(&base1, 4, false, None);
         File::create(path)?.write_all(&data)?;
         Ok(())
     }

uw8-tool/src/lib.rs

@@ -1,7 +1,15 @@
 mod base_module;
-mod pack;
 mod filter_exports;
+mod pack;
 
 pub use base_module::BaseModule;
-pub use pack::{pack, pack_file, unpack, unpack_file, PackConfig};
 pub use filter_exports::filter_exports;
+pub use pack::{pack, pack_file, unpack, unpack_file, PackConfig};
+
+pub fn compressed_size(cart: &[u8]) -> f32 {
+    if cart[0] != 2 {
+        cart.len() as f32
+    } else {
+        upkr::compressed_size(&cart[1..]) + 1.
+    }
+}

uw8-tool/src/pack.rs

@@ -63,6 +63,7 @@ pub fn pack(data: &[u8], config: &PackConfig) -> Result<Vec<u8>> {
         uw8.extend_from_slice(&upkr::pack(
             &result[8..],
             level,
+            false,
             Some(&mut |pos| {
                 pb.set(pos as u64);
             }),
@@ -89,7 +90,7 @@ pub fn unpack(data: Vec<u8>) -> Result<Vec<u8>> {
     let (version, data) = match data[0] {
         0 => return Ok(data),
         1 => (1, data[1..].to_vec()),
-        2 => (1, upkr::unpack(&data[1..])),
+        2 => (1, upkr::unpack(&data[1..], false)),
         other => bail!("Uknown format version {}", other),
     };