move hashing to func

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index cc1a751..becc8f3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -97,12 +97,16 @@ fn file_checksum(path: PathBuf) -> std::io::Result<String> {
         if n == 0 {
             break;
         }
-        hasher.update(&buf[..n]);
+        update_checksum(&mut hasher, &buf[..n]);
     }
     let hash = hasher.finalize();
     Ok(format!("{:x}", hash))
 }
 
+fn update_checksum(hasher: &mut Sha256, data: &[u8]) {
+    hasher.update(data);
+}
+
 mod mode {
     use serde::{self, Serializer};