Revert utp log file to disable by default

Documentation typos

include/libtorrent/torrent_info.hpp

@@ -190,7 +190,7 @@ namespace libtorrent
 		// 
 		// ``orig_files()`` returns the original (unmodified) file storage for
 		// this torrent. This is used by the web server connection, which needs
-		// to request files with the original names. Filename may be chaged using
+		// to request files with the original names. Filename may be changed using
 		// ``torrent_info::rename_file()``.
 		// 
 		// For more information on the file_storage object, see the separate

include/libtorrent/torrent_peer.hpp

@@ -73,7 +73,7 @@ namespace libtorrent
 		// this torrent_peer. i.e. These are only updated
 		// when the connection is closed. For the
 		// total amount of upload and download
-		// we'll have to add thes figures with the
+		// we'll have to add these figures with the
 		// statistics from the peer_connection.
 		// since these values don't need to be stored
 		// with byte-precision, they specify the number
@@ -115,7 +115,7 @@ namespace libtorrent
 		// this torrent_peer has
 		unsigned failcount:5; // [0, 31]
 
-		// incoming peers (that don't advertize their listen port)
+		// incoming peers (that don't advertise their listen port)
 		// will not be considered connectable. Peers that
 		// we have a listen port for will be assumed to be.
 		bool connectable:1;
@@ -188,7 +188,7 @@ namespace libtorrent
 		bool supports_holepunch:1;
 		// this is set to one for web seeds. Web seeds
 		// are not stored in the policy m_peers list,
-		// and are excempt from connect candidate bookkeeping
+		// and are exempt from connect candidate bookkeeping
 		// so, any torrent_peer with the web_seed bit set, is
 		// never considered a connect candidate
 		bool web_seed:1;

include/libtorrent/utp_stream.hpp

@@ -64,10 +64,10 @@ namespace libtorrent
 #endif
 
 #if TORRENT_UTP_LOG
-	bool is_utp_stream_logging();
+	TORRENT_EXPORT bool is_utp_stream_logging();
 
 	// This function should be used at the very beginning and very end of your program.
-	void set_utp_stream_logging(bool enable);
+	TORRENT_EXPORT void set_utp_stream_logging(bool enable);
 #endif
 
 	TORRENT_EXTRA_EXPORT bool compare_less_wrap(boost::uint32_t lhs
@@ -90,8 +90,8 @@ namespace libtorrent
 	};
 
 	// internal: the point of the bif_endian_int is two-fold
-	// one purpuse is to not have any alignment requirements
-	// so that any byffer received from the network can be cast
+	// one purpose is to not have any alignment requirements
+	// so that any buffer received from the network can be cast
 	// to it and read as an integer of various sizes without
 	// triggering a bus error. The other purpose is to convert
 	// from network byte order to host byte order when read and

src/torrent_peer.cpp

@@ -159,7 +159,7 @@ namespace libtorrent
 		, source(src)
 #if !defined(TORRENT_DISABLE_ENCRYPTION) && !defined(TORRENT_DISABLE_EXTENSIONS)
 		// assume no support in order to
-		// prefer opening non-encrypyed
+		// prefer opening non-encrypted
 		// connections. If it fails, we'll
 		// retry with encryption
 		, pe_support(false)

src/utp_stream.cpp

@@ -65,9 +65,7 @@ static struct utp_logger
 	FILE* utp_log_file;
 	mutex utp_log_mutex;
 
-	utp_logger() : utp_log_file(NULL) {
-		utp_log_file = fopen("utp.log", "w+");
-	}
+	utp_logger() : utp_log_file(NULL) {}
 	~utp_logger()
 	{
 		if (utp_log_file) fclose(utp_log_file);
@@ -504,7 +502,7 @@ public:
 	// this is what we'll send back
 	boost::uint32_t m_reply_micro;
 
-	// this is the advertized receive window the other end sent
+	// this is the advertised receive window the other end sent
 	// we'll never have more un-acked bytes in flight
 	// if this ever gets set to zero, we'll try one packet every
 	// second until the window opens up again
@@ -618,7 +616,7 @@ public:
 	// this is a counter of how many times the current m_acked_seq_nr
 	// has been ACKed. If it's ACKed more than 3 times, we assume the
 	// packet with the next sequence number has been lost, and we trigger
-	// a re-send. Ovbiously an ACK only counts as a duplicate as long as
+	// a re-send. Obviously an ACK only counts as a duplicate as long as
 	// we have outstanding packets following it.
 	boost::uint8_t m_duplicate_acks;
 
@@ -680,7 +678,7 @@ public:
 	// this is true while the socket is in slow start mode. It's
 	// only in slow-start during the start-up phase. Slow start
 	// (contrary to what its name suggest) means that we're growing
-	// the congestion window (cwnd) exponetially rather than linearly.
+	// the congestion window (cwnd) exponentially rather than linearly.
 	// this is done at startup of a socket in order to find its
 	// link capacity faster. This behaves similar to TCP slow start
 	bool m_slow_start:1;