diff --git a/include/libtorrent/alert_types.hpp b/include/libtorrent/alert_types.hpp
index ac1f2eda3..a44104efd 100644
--- a/include/libtorrent/alert_types.hpp
+++ b/include/libtorrent/alert_types.hpp
@@ -1822,7 +1822,7 @@ namespace libtorrent
 		add_torrent_alert(aux::stack_allocator& alloc, torrent_handle h
 			, add_torrent_params const& p, error_code ec);
 
-		TORRENT_DEFINE_ALERT_PRIO(add_torrent_alert, 67);
+		TORRENT_DEFINE_ALERT_PRIO(add_torrent_alert, 67)
 
 		static const int static_category = alert::status_notification;
 		virtual std::string message() const;
@@ -1845,9 +1845,8 @@ namespace libtorrent
 	// filtering, since it's only manually posted anyway.
 	struct TORRENT_EXPORT state_update_alert : alert
 	{
-		state_update_alert(aux::stack_allocator& alloc, std::vector<torrent_status> st)
-			: status(st)
-		{}
+		state_update_alert(aux::stack_allocator& alloc
+			, std::vector<torrent_status> st);
 
 		TORRENT_DEFINE_ALERT_PRIO(state_update_alert, 68)
 
@@ -1868,7 +1867,7 @@ namespace libtorrent
 	struct TORRENT_EXPORT mmap_cache_alert : alert
 	{
 		mmap_cache_alert(aux::stack_allocator& alloc
-			, error_code const& ec): error(ec) {}
+			, error_code const& ec);
 		TORRENT_DEFINE_ALERT(mmap_cache_alert, 69)
 
 		static const int static_category = alert::error_notification;
@@ -2093,11 +2092,7 @@ namespace libtorrent
 		// internal
 		dht_outgoing_get_peers_alert(aux::stack_allocator& alloc
 			, sha1_hash const& ih, sha1_hash const& obfih
-			, udp::endpoint ep)
-			: info_hash(ih)
-			, obfuscated_info_hash(obfih)
-			, ip(ep)
-		{}
+			, udp::endpoint ep);
 
 		TORRENT_DEFINE_ALERT(dht_outgoing_get_peers_alert, 78)
 
@@ -2187,10 +2182,7 @@ namespace libtorrent
 	struct TORRENT_EXPORT lsd_error_alert : alert
 	{
 		// internal
-		lsd_error_alert(aux::stack_allocator& alloc, error_code const& ec)
-			: alert()
-			, error(ec)
-		{}
+		lsd_error_alert(aux::stack_allocator& alloc, error_code const& ec);
 	
 		TORRENT_DEFINE_ALERT(lsd_error_alert, 82)
 
@@ -2264,11 +2256,7 @@ namespace libtorrent
 		// internal
 		dht_stats_alert(aux::stack_allocator& alloc
 			, std::vector<dht_routing_bucket> const& table
-			, std::vector<dht_lookup> const& requests)
-			: alert()
-			, active_requests(requests)
-			, routing_table(table)
-		{}
+			, std::vector<dht_lookup> const& requests);
 	
 		TORRENT_DEFINE_ALERT(dht_stats_alert, 83)
 
diff --git a/include/libtorrent/broadcast_socket.hpp b/include/libtorrent/broadcast_socket.hpp
index d1c39e284..4dbf6789a 100644
--- a/include/libtorrent/broadcast_socket.hpp
+++ b/include/libtorrent/broadcast_socket.hpp
@@ -38,10 +38,15 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/socket.hpp"
 #include "libtorrent/address.hpp"
 #include "libtorrent/error_code.hpp"
+
+#include "aux_/disable_warnings_push.hpp"
+
 #include <boost/shared_ptr.hpp>
 #include <boost/function/function3.hpp>
 #include <list>
 
+#include "aux_/disable_warnings_pop.hpp"
+
 namespace libtorrent
 {
 
diff --git a/include/libtorrent/disk_io_thread.hpp b/include/libtorrent/disk_io_thread.hpp
index 1f55a0d57..97f94981b 100644
--- a/include/libtorrent/disk_io_thread.hpp
+++ b/include/libtorrent/disk_io_thread.hpp
@@ -33,6 +33,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #ifndef TORRENT_DISK_IO_THREAD
 #define TORRENT_DISK_IO_THREAD
 
+#include "libtorrent/config.hpp"
 #include "libtorrent/storage.hpp"
 #include "libtorrent/allocator.hpp"
 #include "libtorrent/io_service.hpp"
@@ -43,6 +44,10 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/file_pool.hpp"
 #include "libtorrent/disk_interface.hpp"
 #include "libtorrent/performance_counters.hpp"
+#include "libtorrent/aux_/session_settings.hpp"
+#include "libtorrent/thread.hpp"
+
+#include "aux_/disable_warnings_push.hpp"
 
 #include <boost/function/function0.hpp>
 #include <boost/noncopyable.hpp>
@@ -50,14 +55,13 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <boost/optional.hpp>
 #include <boost/shared_ptr.hpp>
 #include <deque>
-#include "libtorrent/config.hpp"
 #ifndef TORRENT_DISABLE_POOL_ALLOCATOR
 #include <boost/pool/pool.hpp>
 #endif
-#include "libtorrent/aux_/session_settings.hpp"
-#include "libtorrent/thread.hpp"
 #include <boost/atomic.hpp>
 
+#include "aux_/disable_warnings_pop.hpp"
+
 namespace libtorrent
 {
 	class alert;
diff --git a/include/libtorrent/kademlia/find_data.hpp b/include/libtorrent/kademlia/find_data.hpp
index 45a7ad307..d25347145 100644
--- a/include/libtorrent/kademlia/find_data.hpp
+++ b/include/libtorrent/kademlia/find_data.hpp
@@ -33,9 +33,6 @@ POSSIBILITY OF SUCH DAMAGE.
 #ifndef FIND_DATA_050323_HPP
 #define FIND_DATA_050323_HPP
 
-#include <vector>
-#include <map>
-
 #include <libtorrent/kademlia/traversal_algorithm.hpp>
 #include <libtorrent/kademlia/node_id.hpp>
 #include <libtorrent/kademlia/routing_table.hpp>
@@ -43,10 +40,17 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <libtorrent/kademlia/observer.hpp>
 #include <libtorrent/kademlia/msg.hpp>
 
+#include "aux_/disable_warnings_push.hpp"
+
+#include <vector>
+#include <map>
+
 #include <boost/optional.hpp>
 #include <boost/function/function1.hpp>
 #include <boost/function/function2.hpp>
 
+#include "aux_/disable_warnings_pop.hpp"
+
 namespace libtorrent { namespace dht
 {
 
diff --git a/include/libtorrent/kademlia/observer.hpp b/include/libtorrent/kademlia/observer.hpp
index 2923046ba..2e9b6c403 100644
--- a/include/libtorrent/kademlia/observer.hpp
+++ b/include/libtorrent/kademlia/observer.hpp
@@ -33,12 +33,17 @@ POSSIBILITY OF SUCH DAMAGE.
 #ifndef OBSERVER_HPP
 #define OBSERVER_HPP
 
+#include <libtorrent/time.hpp>
+#include <libtorrent/address.hpp>
+
+#include "aux_/disable_warnings_push.hpp"
+
 #include <boost/pool/pool.hpp>
 #include <boost/detail/atomic_count.hpp>
 #include <boost/intrusive_ptr.hpp>
 #include <boost/cstdint.hpp>
-#include <libtorrent/time.hpp>
-#include <libtorrent/address.hpp>
+
+#include "aux_/disable_warnings_pop.hpp"
 
 namespace libtorrent {
 namespace dht {
diff --git a/include/libtorrent/natpmp.hpp b/include/libtorrent/natpmp.hpp
index 0d8dc0eab..edaaba247 100644
--- a/include/libtorrent/natpmp.hpp
+++ b/include/libtorrent/natpmp.hpp
@@ -40,10 +40,14 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/error_code.hpp"
 #include "libtorrent/deadline_timer.hpp"
 
+#include "aux_/disable_warnings_push.hpp"
+
 #include <boost/function/function1.hpp>
 #include <boost/function/function4.hpp>
 #include <boost/enable_shared_from_this.hpp>
 
+#include "aux_/disable_warnings_pop.hpp"
+
 namespace libtorrent
 {
 
diff --git a/include/libtorrent/peer_connection.hpp b/include/libtorrent/peer_connection.hpp
index 5d51159ac..9fd166583 100644
--- a/include/libtorrent/peer_connection.hpp
+++ b/include/libtorrent/peer_connection.hpp
@@ -764,7 +764,8 @@ namespace libtorrent
 		virtual void on_sent(error_code const& error
 			, std::size_t bytes_transferred) = 0;
 
-		virtual int hit_send_barrier(std::vector<asio::mutable_buffer>& iovec) { return INT_MAX; }
+		virtual int hit_send_barrier(std::vector<asio::mutable_buffer>&)
+		{ return INT_MAX; }
 
 		bool allocate_disk_receive_buffer(int disk_buffer_size);
 
diff --git a/include/libtorrent/piece_picker.hpp b/include/libtorrent/piece_picker.hpp
index 774d03b08..d6747090a 100644
--- a/include/libtorrent/piece_picker.hpp
+++ b/include/libtorrent/piece_picker.hpp
@@ -461,10 +461,10 @@ namespace libtorrent
 		// functor that compares indices on downloading_pieces
 		struct has_index
 		{
-			has_index(int i): index(i) { TORRENT_ASSERT(i >= 0); }
+			has_index(int i): index(boost::uint32_t(i)) { TORRENT_ASSERT(i >= 0); }
 			bool operator()(const downloading_piece& p) const
 			{ return p.index == index; }
-			int index;
+			boost::uint32_t index;
 		};
 
 		int blocks_in_last_piece() const
diff --git a/include/libtorrent/proxy_base.hpp b/include/libtorrent/proxy_base.hpp
index 00cde6e8a..fc8b2c144 100644
--- a/include/libtorrent/proxy_base.hpp
+++ b/include/libtorrent/proxy_base.hpp
@@ -38,7 +38,10 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/socket.hpp"
 #include "libtorrent/address.hpp"
 #include "libtorrent/error_code.hpp"
+
+#include "aux_/disable_warnings_push.hpp"
 #include <boost/function/function1.hpp>
+#include "aux_/disable_warnings_pop.hpp"
 
 namespace libtorrent {
 
diff --git a/include/libtorrent/settings_pack.hpp b/include/libtorrent/settings_pack.hpp
index f1568b079..d99cb2d00 100644
--- a/include/libtorrent/settings_pack.hpp
+++ b/include/libtorrent/settings_pack.hpp
@@ -200,8 +200,7 @@ namespace libtorrent
 			// used as the peer-id
 			peer_fingerprint,
 
-			max_string_setting_internal,
-			num_string_settings = max_string_setting_internal - string_type_base
+			max_string_setting_internal
 		};
 
 		enum bool_types
@@ -650,8 +649,7 @@ namespace libtorrent
 			// unlikely to matter anyway
 			auto_sequential,
 
-			max_bool_setting_internal,
-			num_bool_settings = max_bool_setting_internal - bool_type_base
+			max_bool_setting_internal
 		};
 
 		enum int_types
@@ -1512,8 +1510,13 @@ namespace libtorrent
 			// .. _i2p: http://www.i2p2.de
 			i2p_port,
 
-			max_int_setting_internal,
+			max_int_setting_internal
+		};
 
+		enum settings_counts_t
+		{
+			num_string_settings = max_string_setting_internal - string_type_base,
+			num_bool_settings = max_bool_setting_internal - bool_type_base,
 			num_int_settings = max_int_setting_internal - int_type_base
 		};
 
diff --git a/include/libtorrent/sha1_hash.hpp b/include/libtorrent/sha1_hash.hpp
index 35cfeb8f9..7d9bbde6c 100644
--- a/include/libtorrent/sha1_hash.hpp
+++ b/include/libtorrent/sha1_hash.hpp
@@ -107,13 +107,13 @@ namespace libtorrent
 		explicit sha1_hash(std::string const& s)
 		{
 			TORRENT_ASSERT(s.size() >= 20);
-			int sl = int(s.size()) < size ? int(s.size()) : size;
+			size_t sl = s.size() < size_t(size) ? s.size() : size_t(size);
 			std::memcpy(m_number, s.c_str(), sl);
 		}
 		void assign(std::string const& s)
 		{
 			TORRENT_ASSERT(s.size() >= 20);
-			int sl = int(s.size()) < size ? int(s.size()) : size;
+			size_t sl = s.size() < size_t(size) ? s.size() : size_t(size);
 			std::memcpy(m_number, s.c_str(), sl);
 		}
 		void assign(char const* str) { std::memcpy(m_number, str, size); }
@@ -133,7 +133,7 @@ namespace libtorrent
 		sha1_hash& operator<<=(int n)
 		{
 			TORRENT_ASSERT(n >= 0);
-			int num_words = n / 32;
+			const size_t num_words = size_t(n) / 32;
 			if (num_words >= number_size)
 			{
 				std::memset(m_number, 0, size);
@@ -172,10 +172,10 @@ namespace libtorrent
 		sha1_hash& operator>>=(int n)
 		{
 			TORRENT_ASSERT(n >= 0);
-			int num_words = n / 32;
+			const size_t num_words = size_t(n) / 32;
 			if (num_words >= number_size)
 			{
-				std::memset(m_number, 0, size);
+				std::memset(m_number, 0, size_t(size));
 				return *this;
 			}
 			if (num_words > 0)
@@ -305,7 +305,10 @@ namespace libtorrent
 		// return a copy of the 20 bytes representing the sha1-hash as a std::string.
 		// It's still a binary string with 20 binary characters.
 		std::string to_string() const
-		{ return std::string(reinterpret_cast<char const*>(&m_number[0]), size); }
+		{
+			return std::string(reinterpret_cast<char const*>(&m_number[0])
+				, size_t(size));
+		}
 
 	private:
 
diff --git a/include/libtorrent/storage.hpp b/include/libtorrent/storage.hpp
index 5af1407ee..c73b3425b 100644
--- a/include/libtorrent/storage.hpp
+++ b/include/libtorrent/storage.hpp
@@ -526,7 +526,7 @@ namespace libtorrent
 			, int offset, int flags, storage_error& ec);
 
 		bool verify_resume_data(bdecode_node const&
-			, std::vector<std::string> const* links
+			, std::vector<std::string> const*
 			, storage_error&) { return false; }
 		void write_resume_data(entry&, storage_error&) const {}
 
diff --git a/include/libtorrent/tailqueue.hpp b/include/libtorrent/tailqueue.hpp
index 85bc7596e..84ce6bfe3 100644
--- a/include/libtorrent/tailqueue.hpp
+++ b/include/libtorrent/tailqueue.hpp
@@ -47,7 +47,7 @@ namespace libtorrent
 	inline N* postinc(N*& e)
 	{
 		N* ret = e;
-		e = (N*)ret->next;
+		e = static_cast<N*>(ret->next);
 		return ret;
 	}
 
diff --git a/include/libtorrent/torrent_peer_allocator.hpp b/include/libtorrent/torrent_peer_allocator.hpp
index e10eb9c37..70091abb0 100644
--- a/include/libtorrent/torrent_peer_allocator.hpp
+++ b/include/libtorrent/torrent_peer_allocator.hpp
@@ -36,8 +36,12 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/config.hpp"
 #include "libtorrent/torrent_peer.hpp"
 
+#include "aux_/disable_warnings_push.hpp"
+
 #include <boost/pool/pool.hpp>
 
+#include "aux_/disable_warnings_pop.hpp"
+
 namespace libtorrent
 {
 
diff --git a/src/alert.cpp b/src/alert.cpp
index f73a40340..827286683 100644
--- a/src/alert.cpp
+++ b/src/alert.cpp
@@ -846,7 +846,7 @@ namespace libtorrent {
 	}
 
 	udp_error_alert::udp_error_alert(
-		aux::stack_allocator& alloc
+		aux::stack_allocator&
 		, udp::endpoint const& ep
 		, error_code const& ec)
 		: endpoint(ep)
@@ -859,7 +859,7 @@ namespace libtorrent {
 		return "UDP error: " + convert_from_native(error.message()) + " from: " + endpoint.address().to_string(ec);
 	}
 
-	external_ip_alert::external_ip_alert(aux::stack_allocator& alloc
+	external_ip_alert::external_ip_alert(aux::stack_allocator&
 		, address const& ip)
 		: external_address(ip)
 	{}
@@ -870,7 +870,7 @@ namespace libtorrent {
 		return "external IP received: " + external_address.to_string(ec);
 	}
 
-	listen_succeeded_alert::listen_succeeded_alert(aux::stack_allocator& alloc
+	listen_succeeded_alert::listen_succeeded_alert(aux::stack_allocator&
 		, tcp::endpoint const& ep, socket_type_t t)
 		: endpoint(ep)
 		, sock_type(t)
@@ -884,7 +884,7 @@ namespace libtorrent {
 		return ret;
 	}
 
-	portmap_error_alert::portmap_error_alert(aux::stack_allocator& alloc
+	portmap_error_alert::portmap_error_alert(aux::stack_allocator&
 		, int i, int t, error_code const& e)
 		:  mapping(i), map_type(t), error(e)
 	{
@@ -899,7 +899,7 @@ namespace libtorrent {
 			+ ": " + convert_from_native(error.message());
 	}
 
-	portmap_alert::portmap_alert(aux::stack_allocator& alloc, int i, int port, int t)
+	portmap_alert::portmap_alert(aux::stack_allocator&, int i, int port, int t)
 		: mapping(i), external_port(port), map_type(t)
 	{}
 
@@ -993,7 +993,7 @@ namespace libtorrent {
 		return ret;
 	}
 
-	dht_announce_alert::dht_announce_alert(aux::stack_allocator& alloc
+	dht_announce_alert::dht_announce_alert(aux::stack_allocator&
 		, address const& i, int p
 		, sha1_hash const& ih)
 		: ip(i)
@@ -1012,7 +1012,7 @@ namespace libtorrent {
 		return msg;
 	}
 
-	dht_get_peers_alert::dht_get_peers_alert(aux::stack_allocator& alloc
+	dht_get_peers_alert::dht_get_peers_alert(aux::stack_allocator&
 		, sha1_hash const& ih)
 		: info_hash(ih)
 	{}
@@ -1134,7 +1134,7 @@ namespace libtorrent {
 		return std::string("trackerid received: ") + tracker_id();
 	}
 
-	dht_bootstrap_alert::dht_bootstrap_alert(aux::stack_allocator& alloc)
+	dht_bootstrap_alert::dht_bootstrap_alert(aux::stack_allocator&)
 	{}
 
 	std::string dht_bootstrap_alert::message() const
@@ -1143,7 +1143,7 @@ namespace libtorrent {
 	}
 
 #ifndef TORRENT_NO_DEPRECATE
-	rss_alert::rss_alert(aux::stack_allocator& alloc, feed_handle h
+	rss_alert::rss_alert(aux::stack_allocator&, feed_handle h
 		, std::string const& u, int s, error_code const& ec)
 		: handle(h), url(u), state(s), error(ec)
 	{}
@@ -1208,7 +1208,7 @@ namespace libtorrent {
 		return torrent_alert::message() + " needs SSL certificate";
 	}
 
-	incoming_connection_alert::incoming_connection_alert(aux::stack_allocator& alloc, int t
+	incoming_connection_alert::incoming_connection_alert(aux::stack_allocator&, int t
 		, tcp::endpoint const& i)
 		: socket_type(t)
 		, ip(i)
@@ -1268,6 +1268,11 @@ namespace libtorrent {
 		return msg;
 	}
 
+	state_update_alert::state_update_alert(aux::stack_allocator&
+		, std::vector<torrent_status> st)
+		: status(st)
+	{}
+
 	std::string state_update_alert::message() const
 	{
 		char msg[600];
@@ -1275,6 +1280,10 @@ namespace libtorrent {
 		return msg;
 	}
 
+	mmap_cache_alert::mmap_cache_alert(aux::stack_allocator&
+		, error_code const& ec): error(ec)
+	{}
+
 	std::string mmap_cache_alert::message() const
 	{
 		char msg[600];
@@ -1327,7 +1336,7 @@ namespace libtorrent {
 			"get_interface",
 		};
 
-		if (op < 0 || op >= sizeof(names)/sizeof(names[0]))
+		if (op < 0 || op >= int(sizeof(names)/sizeof(names[0])))
 			return "unknown operation";
 
 		return names[op];
@@ -1350,7 +1359,7 @@ namespace libtorrent {
 	}
 
 #ifndef TORRENT_NO_DEPRECATE
-	rss_item_alert::rss_item_alert(aux::stack_allocator& alloc, feed_handle h
+	rss_item_alert::rss_item_alert(aux::stack_allocator&, feed_handle h
 		, feed_item const& item)
 		: handle(h)
 		, item(item)
@@ -1393,7 +1402,8 @@ namespace libtorrent {
 		return msg;
 	}
 
-	dht_error_alert::dht_error_alert(aux::stack_allocator& alloc, int op, error_code const& ec)
+	dht_error_alert::dht_error_alert(aux::stack_allocator&, int op
+		, error_code const& ec)
 		: error(ec), operation(op_t(op))
 	{}
 		
@@ -1417,7 +1427,7 @@ namespace libtorrent {
 		return msg;
 	}
 
-	dht_immutable_item_alert::dht_immutable_item_alert(aux::stack_allocator& alloc
+	dht_immutable_item_alert::dht_immutable_item_alert(aux::stack_allocator&
 		, sha1_hash const& t, entry const& i)
 		: target(t), item(i)
 	{}
@@ -1431,7 +1441,9 @@ namespace libtorrent {
 		return msg;
 	}
 
-	dht_mutable_item_alert::dht_mutable_item_alert(aux::stack_allocator& alloc
+	// TODO: 2 the salt here is allocated on the heap. It would be nice to
+	// allocate in in the stack_allocator
+	dht_mutable_item_alert::dht_mutable_item_alert(aux::stack_allocator&
 		, boost::array<char, 32> k
 		, boost::array<char, 64> sig
 		, boost::uint64_t sequence
@@ -1451,12 +1463,12 @@ namespace libtorrent {
 		return msg;
 	}
 
-	dht_put_alert::dht_put_alert(aux::stack_allocator& alloc, sha1_hash const& t)
+	dht_put_alert::dht_put_alert(aux::stack_allocator&, sha1_hash const& t)
 		: target(t)
 		, seq(0)
 	{}
 
-	dht_put_alert::dht_put_alert(aux::stack_allocator& alloc
+	dht_put_alert::dht_put_alert(aux::stack_allocator&
 		, boost::array<char, 32> key
 		, boost::array<char, 64> sig
 		, std::string s
@@ -1479,7 +1491,7 @@ namespace libtorrent {
 		return msg;
 	}
 
-	i2p_alert::i2p_alert(aux::stack_allocator& alloc, error_code const& ec)
+	i2p_alert::i2p_alert(aux::stack_allocator&, error_code const& ec)
 		: error(ec)
 	{}
 
@@ -1491,6 +1503,14 @@ namespace libtorrent {
 		return msg;
 	}
 
+	dht_outgoing_get_peers_alert::dht_outgoing_get_peers_alert(aux::stack_allocator&
+		, sha1_hash const& ih, sha1_hash const& obfih
+		, udp::endpoint ep)
+		: info_hash(ih)
+		, obfuscated_info_hash(obfih)
+		, ip(ep)
+	{}
+
 	std::string dht_outgoing_get_peers_alert::message() const
 	{
 		char msg[600];
@@ -1556,6 +1576,11 @@ namespace libtorrent {
 		return torrent_alert::message() + " [" + print_endpoint(ip) + "] " + msg();
 	}
 
+	lsd_error_alert::lsd_error_alert(aux::stack_allocator&, error_code const& ec)
+		: alert()
+		, error(ec)
+	{}
+
 	std::string lsd_error_alert::message() const
 	{
 		return "Local Service Discovery error: " + error.message();
@@ -1574,6 +1599,14 @@ namespace libtorrent {
 		return msg;
 	}
 
+	dht_stats_alert::dht_stats_alert(aux::stack_allocator&
+		, std::vector<dht_routing_bucket> const& table
+		, std::vector<dht_lookup> const& requests)
+		: alert()
+		, active_requests(requests)
+		, routing_table(table)
+	{}
+
 	std::string dht_stats_alert::message() const
 	{
 		char buf[2048];
diff --git a/src/file.cpp b/src/file.cpp
index d145c9308..6bed7baa4 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -1590,6 +1590,8 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
 	// defined in storage.cpp
 	int bufs_size(file::iovec_t const* bufs, int num_bufs);
 	
+	namespace {
+
 	void gather_copy(file::iovec_t const* bufs, int num_bufs, char* dst)
 	{
 		int offset = 0;
@@ -1741,6 +1743,8 @@ typedef struct _FILE_ALLOCATED_RANGE_BUFFER {
 #endif
 	}
 
+	} // anonymous namespace
+
 	// this has to be thread safe and atomic. i.e. on posix systems it has to be
 	// turned into a series of pread() calls
 	boost::int64_t file::readv(boost::int64_t file_offset, iovec_t const* bufs, int num_bufs