5 files changed, 10 insertions, 10 deletions
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 33b9cfc3f..8c24fa541 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -75,7 +75,7 @@ bool cFile::Open(const AString & iFileName, eMode iMode)
 	}
 
 #ifdef _WIN32
-	fopen_s(&m_File, (FILE_IO_PREFIX + iFileName).c_str(), Mode);
+	m_File = _fsopen((FILE_IO_PREFIX + iFileName).c_str(), Mode, _SH_DENYWR);
 #else
 	m_File = fopen((FILE_IO_PREFIX + iFileName).c_str(), Mode);
 #endif // _WIN32
@@ -88,7 +88,7 @@ bool cFile::Open(const AString & iFileName, eMode iMode)
 		// Simply re-open for read-writing, erasing existing contents:
 
 #ifdef _WIN32
-		fopen_s(&m_File, (FILE_IO_PREFIX + iFileName).c_str(), "wb+");
+		m_File = _fsopen((FILE_IO_PREFIX + iFileName).c_str(), "wb+", _SH_DENYWR);
 #else
 		m_File = fopen((FILE_IO_PREFIX + iFileName).c_str(), "wb+");
 #endif // _WIN32
diff --git a/src/OSSupport/ListenThread.cpp b/src/OSSupport/ListenThread.cpp
index ba3198764..02e98acfc 100644
--- a/src/OSSupport/ListenThread.cpp
+++ b/src/OSSupport/ListenThread.cpp
@@ -214,7 +214,7 @@ void cListenThread::Execute(void)
 		timeval tv;  // On Linux select() doesn't seem to wake up when socket is closed, so let's kinda busy-wait:
 		tv.tv_sec = 1;
 		tv.tv_usec = 0;
-		if (select(Highest + 1, &fdRead, NULL, NULL, &tv) == -1)
+		if (select((int)Highest + 1, &fdRead, NULL, NULL, &tv) == -1)
 		{
 			LOG("select(R) call failed in cListenThread: \"%s\"", cSocket::GetLastErrorString().c_str());
 			continue;
diff --git a/src/OSSupport/Socket.cpp b/src/OSSupport/Socket.cpp
index 98f694a79..56835b518 100644
--- a/src/OSSupport/Socket.cpp
+++ b/src/OSSupport/Socket.cpp
@@ -328,18 +328,18 @@ bool cSocket::ConnectIPv4(const AString & a_HostNameOrAddr, unsigned short a_Por
 
 
 
-int cSocket::Receive(char * a_Buffer, unsigned int a_Length, unsigned int a_Flags)
+int cSocket::Receive(char * a_Buffer, size_t a_Length, unsigned int a_Flags)
 {
-	return recv(m_Socket, a_Buffer, a_Length, a_Flags);
+	return recv(m_Socket, a_Buffer, (int)a_Length, a_Flags);
 }
 
 
 
 
 
-int cSocket::Send(const char * a_Buffer, unsigned int a_Length)
+int cSocket::Send(const char * a_Buffer, size_t a_Length)
 {
-	return send(m_Socket, a_Buffer, a_Length, MSG_NOSIGNAL);
+	return send(m_Socket, a_Buffer, (int)a_Length, MSG_NOSIGNAL);
 }
 
 
diff --git a/src/OSSupport/Socket.h b/src/OSSupport/Socket.h
index bdc2babf5..35ecadfa0 100644
--- a/src/OSSupport/Socket.h
+++ b/src/OSSupport/Socket.h
@@ -110,8 +110,8 @@ public:
 	/// Connects to the specified host or string IP address and port, using IPv4. Returns true if successful.
 	bool ConnectIPv4(const AString & a_HostNameOrAddr, unsigned short a_Port);
 	
-	int Receive(char * a_Buffer, unsigned int a_Length, unsigned int a_Flags);
-	int Send   (const char * a_Buffer, unsigned int a_Length);
+	int Receive(char * a_Buffer, size_t a_Length, unsigned int a_Flags);
+	int Send   (const char * a_Buffer, size_t a_Length);
 	
 	unsigned short GetPort(void) const;  // Returns 0 on failure
 
diff --git a/src/OSSupport/SocketThreads.cpp b/src/OSSupport/SocketThreads.cpp
index 0bc1d6b55..0ab5b6298 100644
--- a/src/OSSupport/SocketThreads.cpp
+++ b/src/OSSupport/SocketThreads.cpp
@@ -406,7 +406,7 @@ void cSocketThreads::cSocketThread::Execute(void)
 		timeval Timeout;
 		Timeout.tv_sec = 5;
 		Timeout.tv_usec = 0;
-		if (select(Highest + 1, &fdRead, &fdWrite, NULL, &Timeout) == -1)
+		if (select((int)Highest + 1, &fdRead, &fdWrite, NULL, &Timeout) == -1)
 		{
 			LOG("select() call failed in cSocketThread: \"%s\"", cSocket::GetLastErrorString().c_str());
 			continue;