diff -r 67ee979a1807 examples/routing/manet-routing-compare.cc
--- a/examples/routing/manet-routing-compare.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/examples/routing/manet-routing-compare.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -343,7 +343,7 @@
   onoff1.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"));
   onoff1.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0.0]"));
 
-  for (int i = 0; i <= nSinks - 1; i++)
+  for (int i = 0; nSinks - i > 0; i++)
     {
       Ptr<Socket> sink = SetupPacketReceive (adhocInterfaces.GetAddress (i), adhocNodes.Get (i));
 
diff -r 67ee979a1807 src/lte/model/cqa-ff-mac-scheduler.cc
--- a/src/lte/model/cqa-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/cqa-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1963,7 +1963,7 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ((!allocated)&&((rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth) < 1) && (rbPerFlow != 0))
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/fdbet-ff-mac-scheduler.cc
--- a/src/lte/model/fdbet-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/fdbet-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1593,7 +1593,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/fdmt-ff-mac-scheduler.cc
--- a/src/lte/model/fdmt-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/fdmt-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1571,7 +1571,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/fdtbfq-ff-mac-scheduler.cc
--- a/src/lte/model/fdtbfq-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/fdtbfq-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1822,7 +1822,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/lte-enb-rrc.cc
--- a/src/lte/model/lte-enb-rrc.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/lte-enb-rrc.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1041,7 +1041,7 @@
 {
   NS_LOG_FUNCTION (this);
   const uint8_t MAX_DRB_ID = 32;  
-  for (uint8_t drbid = (m_lastAllocatedDrbid + 1) % MAX_DRB_ID; 
+  for (int drbid = (m_lastAllocatedDrbid + 1) % MAX_DRB_ID; 
        drbid != m_lastAllocatedDrbid; 
        drbid = (drbid + 1) % MAX_DRB_ID)
     {
diff -r 67ee979a1807 src/lte/model/lte-rlc-sequence-number.h
--- a/src/lte/model/lte-rlc-sequence-number.h	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/lte-rlc-sequence-number.h	Sun Apr 20 08:20:40 2014 -0700
@@ -78,7 +78,7 @@
   SequenceNumber10 operator++ (int)
   {
     SequenceNumber10 retval (m_value);
-    m_value = (m_value + 1) % 1024;
+    m_value = ((uint32_t)m_value + 1) % 1024;
     return retval;
   }
 
diff -r 67ee979a1807 src/lte/model/pf-ff-mac-scheduler.cc
--- a/src/lte/model/pf-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/pf-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1617,7 +1617,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/pss-ff-mac-scheduler.cc
--- a/src/lte/model/pss-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/pss-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1922,7 +1922,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/rr-ff-mac-scheduler.cc
--- a/src/lte/model/rr-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/rr-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1454,7 +1454,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/tdbet-ff-mac-scheduler.cc
--- a/src/lte/model/tdbet-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/tdbet-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1515,7 +1515,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/tdmt-ff-mac-scheduler.cc
--- a/src/lte/model/tdmt-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/tdmt-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1511,7 +1511,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/tdtbfq-ff-mac-scheduler.cc
--- a/src/lte/model/tdtbfq-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/tdtbfq-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1609,7 +1609,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/lte/model/tta-ff-mac-scheduler.cc
--- a/src/lte/model/tta-ff-mac-scheduler.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/lte/model/tta-ff-mac-scheduler.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -1590,7 +1590,10 @@
       uldci.m_rbLen = rbPerFlow;
       bool allocated = false;
       NS_LOG_INFO (this << " RB Allocated " << rbAllocated << " rbPerFlow " << rbPerFlow << " flows " << nflows);
-      while ((!allocated)&&((rbAllocated + rbPerFlow - 1) < m_cschedCellConfig.m_ulBandwidth) && (rbPerFlow != 0))
+      while ( (!allocated) &&
+              (rbAllocated + rbPerFlow - m_cschedCellConfig.m_ulBandwidth < 1) &&
+              (rbPerFlow != 0)
+              )
         {
           // check availability
           bool free = true;
diff -r 67ee979a1807 src/network/model/address.cc
--- a/src/network/model/address.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/network/model/address.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -90,7 +90,7 @@
 Address::CopyAllTo (uint8_t *buffer, uint8_t len) const
 {
   NS_LOG_FUNCTION (this << &buffer << static_cast<uint32_t> (len));
-  NS_ASSERT (len >= m_len + 2);
+  NS_ASSERT ((int)len - m_len > 1);
   buffer[0] = m_type;
   buffer[1] = m_len;
   std::memcpy (buffer + 2, m_data, m_len);
@@ -114,7 +114,7 @@
   m_type = buffer[0];
   m_len = buffer[1];
 
-  NS_ASSERT (len >= m_len + 2);
+  NS_ASSERT ((int)len - m_len > 1);
   std::memcpy (m_data, buffer + 2, m_len);
   return m_len + 2;
 }
diff -r 67ee979a1807 src/network/utils/ipv6-address.cc
--- a/src/network/utils/ipv6-address.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/network/utils/ipv6-address.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -154,7 +154,7 @@
   static const char xdigits_u[] = "0123456789ABCDEF";
   unsigned char tmp[16];
   unsigned char* tp = tmp;
-  unsigned char* endp = 0;
+  unsigned char* const endp = tp + 16;
   unsigned char* colonp = 0;
   const char* xdigits = 0;
 #if 0
@@ -165,7 +165,6 @@
   unsigned int val = 0;
 
   memset (tp, 0x00, 16);
-  endp = tp + 16;
 
   /* Leading :: requires some special handling. */
   if (*address == ':')
@@ -212,7 +211,7 @@
               continue;
             }
 
-          if (tp + 2 > endp)
+          if (endp - tp < 2)
             {
               return (0);
             }
@@ -226,7 +225,7 @@
 
       /* \todo Handle IPv4 mapped address (2001::192.168.0.1) */
 #if 0
-      if (ch == '.' && ((tp + 4 /*NS_INADDRSZ*/) <= endp) &&
+      if (ch == '.' && (endp - tp > 3 /*NS_INADDRSZ*/)) &&
           inet_pton4 (curtok, tp) > 0)
         {
           tp += 4 /*NS_INADDRSZ*/;
@@ -239,7 +238,7 @@
 
   if (seen_xdigits)
     {
-      if (tp + 2 > endp)
+      if ( endp - tp < 2)
         {
           return (0);
         }
diff -r 67ee979a1807 src/network/utils/packetbb.cc
--- a/src/network/utils/packetbb.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/network/utils/packetbb.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -2516,7 +2516,7 @@
         }
 
       /* If headlen == fulllen - 1, then tail is 0 */
-      if (headlen <= GetAddressLength () - 1)
+      if (GetAddressLength () - (int)headlen > 0)
         {
           for (i = GetAddressLength () - 1;
                GetAddressLength () - 1 - i <= taillen && i > headlen;
diff -r 67ee979a1807 src/wimax/model/cid-factory.cc
--- a/src/wimax/model/cid-factory.cc	Tue Apr 08 14:07:33 2014 -0700
+++ b/src/wimax/model/cid-factory.cc	Sun Apr 20 08:20:40 2014 -0700
@@ -99,13 +99,13 @@
 CidFactory::IsTransport (Cid cid) const
 {
   uint16_t id = cid.m_identifier;
-  return id >= 2 * m_m + 1 && id <= 0xfefe;
+  return ((int)id - 2 * (int)m_m > 0) && (id <= 0xfefe);
 }
 bool
 CidFactory::IsPrimary (Cid cid) const
 {
   uint16_t id = cid.m_identifier;
-  return id >= m_m + 1 && id <= 2 * m_m;
+  return ((int)id - m_m > 0) && (id <= 2 * m_m);
 }
 bool
 CidFactory::IsBasic (Cid cid) const
diff -r 67ee979a1807 wscript
--- a/wscript	Tue Apr 08 14:07:33 2014 -0700
+++ b/wscript	Sun Apr 20 08:20:40 2014 -0700
@@ -325,6 +325,8 @@
         if Options.options.build_profile == 'optimized': 
             if conf.check_compilation_flag('-march=native'):
                 env.append_value('CXXFLAGS', '-march=native') 
+            env.append_value('CXXFLAGS', '-fstrict-overflow')
+            env.append_value('CXXFLAGS', '-Wstrict-overflow=5')
 
         if sys.platform == 'win32':
             env.append_value("LINKFLAGS", "-Wl,--enable-runtime-pseudo-reloc")