fix more msvc-warnings (#16)

fix more msvc-warnings

.travis.yml

@@ -8,6 +8,10 @@ env:
   - variant=debug
   - variant=release
 
+branches:
+  only:
+    - master
+
 # container-based builds
 sudo: false
 cache:

appveyor.yml

@@ -1,4 +1,7 @@
 version: 1.0.{build}
+branches:
+  only:
+  - master
 skip_tags: true
 clone_depth: 1
 install:

src/http_proxy.cpp

@@ -93,7 +93,7 @@ namespace sim
 			return;
 		}
 
-		m_num_client_in_bytes += bytes_transferred;
+		m_num_client_in_bytes += int(bytes_transferred);
 
 		// scan for end of HTTP request
 		int req_len = find_request_len(m_client_in_buffer, m_num_client_in_bytes);
@@ -183,7 +183,7 @@ namespace sim
 		}
 		memmove(&m_server_out_buffer + m_num_server_out_bytes
 			, out_request.data(), out_request.size());
-		m_num_server_out_bytes += out_request.size();
+		m_num_server_out_bytes += int(out_request.size());
 
 		if (!m_server_connection.is_open())
 		{
@@ -284,7 +284,7 @@ namespace sim
 
 		memmove(&m_server_out_buffer[0], m_server_out_buffer + bytes_transferred
 			, m_num_server_out_bytes - bytes_transferred);
-		m_num_server_out_bytes -= bytes_transferred;
+		m_num_server_out_bytes -= int(bytes_transferred);
 
 		if (m_num_server_out_bytes > 0)
 			write_server_send_buffer();

src/tcp_socket.cpp

@@ -592,7 +592,7 @@ namespace ip {
 		boost::system::error_code ec;
 		// null_buffers notifies the handler when data is available, without
 		// reading any
-		int bytes = available(ec);
+		int const bytes = int(available(ec));
 		if (ec)
 		{
 			m_io_service.post(std::bind(handler, ec, 0));