1 files changed, 7 insertions, 0 deletions
diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..b17e304
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,7 @@
+pub fn read_big_endian(bytes: &[u8], bits: usize) -> usize {
+    bytes
+        .iter()
+        .enumerate()
+        .map(|(i, &b)| (b as usize) << (bits * (bytes.len() - 1 - i)))
+        .sum()
+}