Refine the status handing in version 1

Author: IvanUkhov

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "woff"
-version = "0.6.0"
+version = "0.6.1"
 edition = "2021"
 license = "Apache-2.0/MIT"
 authors = ["Ivan Ukhov <ivan.ukhov@gmail.com>"]

src/version1/mod.rs

@@ -18,7 +18,6 @@ pub fn compress(data: &[u8], major_version: usize, minor_version: usize) -> Opti
             &mut status,
         )
     };
-    debug_assert_eq!(status, 0);
     finalize(data, size, status)
 }
 
@@ -28,12 +27,12 @@ pub fn decompress(data: &[u8]) -> Option<Vec<u8>> {
     let mut status = 0;
     let data =
         unsafe { ffi::woffDecode(data.as_ptr() as _, data.len() as _, &mut size, &mut status) };
-    debug_assert_eq!(status, 0);
     finalize(data, size, status)
 }
 
 fn finalize(data: *const u8, size: u32, status: u32) -> Option<Vec<u8>> {
-    if !data.is_null() && status == 0 {
+    debug_assert_eq!(status & 0xFF, 0);
+    if !data.is_null() && status & 0xFF == 0 {
         let mut buffer = Vec::with_capacity(size as _);
         unsafe {
             std::ptr::copy_nonoverlapping(data, buffer.as_mut_ptr(), size as _);