1 files changed, 8 insertions, 0 deletions
diff --git a/src/hash.cpp b/src/hash.cpp
index 89b14cc..82df4c0 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -60,4 +60,12 @@ namespace Multihash {
 	std::string Hash::hash_digest() {
 		throw std::runtime_error("Not implemented.");
 	}
+	
+	void _hash_file(int fileno, Hash* hash) {
+		char buf[32768];
+		int s;
+		while((s = read(fileno, buf, 32768)) > 0) {
+			hash->_update(buf, s);
+		}
+	}
 }