From f93b71da9bcd01d7c1db797d9a84b95cbdabde0b Mon Sep 17 00:00:00 2001
From: zyp <zyp@localhost>
Date: Thu, 19 Oct 2006 15:11:00 +0000
Subject: [project @ zyp-20061019151100-032626b43d2f238b] [project @ 59] Added
 hash_file-function.

---
 src/hash.cpp    | 8 ++++++++
 src/hash.h      | 4 +++-
 src/wrapper.cpp | 2 ++
 3 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'src')

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);
+		}
+	}
 }
diff --git a/src/hash.h b/src/hash.h
index d2771a5..571ae02 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -13,15 +13,17 @@ namespace Multihash {
 		private:
 			std::string digest_str;
 			Hash* next;
-			void _update(const char* data, int length);
 		protected:
 			virtual void hash_update(const char* data, int length);
 			virtual std::string hash_digest();
 		public:
 			Hash(Hash* n = 0);
 			void update(std::string data);
+			void _update(const char* data, int length);
 			std::string digest();
 	};
+	
+	void _hash_file(int fileno, Hash* hash);
 }
 
 #endif // _HASH_H_
diff --git a/src/wrapper.cpp b/src/wrapper.cpp
index cbe86f5..a93dae2 100644
--- a/src/wrapper.cpp
+++ b/src/wrapper.cpp
@@ -26,4 +26,6 @@ BOOST_PYTHON_MODULE(_multihash)
 		
 	class_<Multihash::SHA1, bases<Hash> >("SHA1")
 		.def(init<optional<Hash*> >());
+		
+	def("_hash_file", Multihash::_hash_file);
 }
-- 
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