unused warning

[deb_libcec.git] / src / lib / platform / posix / serialport.cpp

diff --git a/src/lib/platform/posix/serialport.cpp b/src/lib/platform/posix/serialport.cpp
index c1b3b22461bbc002b0dfc788573fc8ede862002d..1e0e364fc8eb2dd5a98738117bd44730b34c5f23 100644 (file)
--- a/src/lib/platform/posix/serialport.cpp
+++ b/src/lib/platform/posix/serialport.cpp
@@ -1,7 +1,7 @@
 /*
  * This file is part of the libCEC(R) library.
  *
- * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
+ * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited.  All rights reserved.
  * libCEC(R) is an original work, containing original code.
  *
  * libCEC(R) is a trademark of Pulse-Eight Limited.
@@ -48,18 +48,20 @@
 #define IUCLC  0
 #endif
 #else
+#ifdef HAVE_LOCKDEV
 #include <lockdev.h>
 #endif
+#endif
 
 using namespace std;
 using namespace PLATFORM;
 
 inline bool RemoveLock(const char *strDeviceName)
 {
-  #if !defined(__APPLE__) && !defined(__FreeBSD__)
+  #if !defined(__APPLE__) && !defined(__FreeBSD__) && defined(HAVE_LOCKDEV)
   return dev_unlock(strDeviceName, 0) == 0;
   #else
-  void *tmp = (void*)strDeviceName; // silence unused warning
+  (void)strDeviceName; // silence unused warning
   return true;
   #endif
 }
@@ -95,7 +97,7 @@ ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 *
 //setting all this stuff up is a pain in the ass
 bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
 {
-  iTimeoutMs = 0;
+  iTimeoutMs = 0; if (!iTimeoutMs){} // silence unused warning
   if (IsOpen())
   {
     m_iError = EINVAL;
@@ -124,7 +126,7 @@ bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
     return false;
   }
 
-  #if !defined(__APPLE__) && !defined(__FreeBSD__)
+  #if !defined(__APPLE__) && !defined(__FreeBSD__) && defined(HAVE_LOCKDEV)
   if (dev_lock(m_strName.c_str()) != 0)
   {
     m_strError = "Couldn't lock the serial port";