remove misguided __attribute__ ((unused))s
authorCraig Dowell <craigdo@ee.washington.edu>
Fri, 06 Feb 2009 11:10:51 -0800
changeset 4184 e7a525be7dc2
parent 4183 18b802510f59
child 4185 6740cafc08a9
remove misguided __attribute__ ((unused))s
src/devices/point-to-point/ppp-header.cc
src/devices/tap-bridge/tap-bridge.cc
src/internet-stack/arp-header.cc
src/node/ipv4-address-generator.cc
--- a/src/devices/point-to-point/ppp-header.cc	Thu Feb 05 09:43:27 2009 -0800
+++ b/src/devices/point-to-point/ppp-header.cc	Fri Feb 06 11:10:51 2009 -0800
@@ -17,6 +17,7 @@
  */
 
 #include <iostream>
+#include "ns3/abort.h"
 #include "ns3/assert.h"
 #include "ns3/log.h"
 #include "ns3/header.h"
@@ -73,9 +74,8 @@
   uint32_t
 PppHeader::Deserialize (Buffer::Iterator start)
 {
-  uint16_t __attribute__((unused))data = start.ReadNtohU16 ();
-  NS_ASSERT_MSG (data == 0x0021, "MyHeader::Deserialize(): "
-    "expected protocol 0x0021");
+  uint16_t data = start.ReadNtohU16 ();
+  NS_ABORT_MSG_UNLESS (data == 0x0021, "MyHeader::Deserialize(): expected protocol 0x0021");
   return 2;
 }
 
--- a/src/devices/tap-bridge/tap-bridge.cc	Thu Feb 05 09:43:27 2009 -0800
+++ b/src/devices/tap-bridge/tap-bridge.cc	Fri Feb 06 11:10:51 2009 -0800
@@ -25,6 +25,7 @@
 #include "ns3/ethernet-header.h"
 #include "ns3/llc-snap-header.h"
 #include "ns3/log.h"
+#include "ns3/abort.h"
 #include "ns3/boolean.h"
 #include "ns3/string.h"
 #include "ns3/ipv4.h"
@@ -153,14 +154,11 @@
 {
   NS_LOG_FUNCTION_NOARGS ();
 
+  NS_ABORT_MSG_IF (m_sock != -1, "TapBridge::StartTapDevice(): Tap is already started");
+
   //
   // Spin up the tap bridge and start receiving packets.
   //
-  if (m_sock != -1)
-    {
-      NS_FATAL_ERROR ("TapBridge::StartTapDevice(): Tap is already started");
-    }
-
   NS_LOG_LOGIC ("Creating tap device");
 
   //
@@ -175,11 +173,7 @@
   //
   // Now spin up a read thread to read packets from the tap device.
   //
-  if (m_readThread != 0)
-    {
-      NS_FATAL_ERROR ("TapBridge::StartTapDevice(): Receive thread is already running");
-    }
-
+  NS_ABORT_MSG_IF (m_readThread != 0,"TapBridge::StartTapDevice(): Receive thread is already running");
   NS_LOG_LOGIC ("Spinning up read thread");
 
   m_readThread = Create<SystemThread> (MakeCallback (&TapBridge::ReadThread, this));
@@ -215,10 +209,7 @@
   // socket for that purpose.
   //
   int sock = socket (PF_UNIX, SOCK_DGRAM, 0);
-  if (sock == -1)
-    {
-      NS_FATAL_ERROR ("TapBridge::CreateTap(): Unix socket creation error, errno = " << strerror (errno));
-    }
+  NS_ABORT_MSG_IF (sock == -1, "TapBridge::CreateTap(): Unix socket creation error, errno = " << strerror (errno));
 
   //
   // Bind to that socket and let the kernel allocate an endpoint
@@ -227,11 +218,7 @@
   memset (&un, 0, sizeof (un));
   un.sun_family = AF_UNIX;
   int status = bind (sock, (struct sockaddr*)&un, sizeof (sa_family_t));
-  if (status == -1)
-    {
-      NS_FATAL_ERROR ("TapBridge::CreateTap(): Could not bind(): errno = " << strerror (errno));
-    }
-
+  NS_ABORT_MSG_IF (status == -1, "TapBridge::CreateTap(): Could not bind(): errno = " << strerror (errno));
   NS_LOG_INFO ("Created Unix socket");
   NS_LOG_INFO ("sun_family = " << un.sun_family);
   NS_LOG_INFO ("sun_path = " << un.sun_path);
@@ -244,10 +231,7 @@
   //
   socklen_t len = sizeof (un);
   status = getsockname (sock, (struct sockaddr*)&un, &len);
-  if (status == -1)
-    {
-      NS_FATAL_ERROR ("TapBridge::CreateTap(): Could not getsockname(): errno = " << strerror (errno));
-    }
+  NS_ABORT_MSG_IF (status == -1, "TapBridge::CreateTap(): Could not getsockname(): errno = " << strerror (errno));
 
   //
   // Now encode that socket name (family and path) as a string of hex digits
@@ -386,10 +370,7 @@
       //
       int st;
       pid_t waited = waitpid (pid, &st, 0);
-      if (waited == -1)
-	{
-	  NS_FATAL_ERROR ("TapBridge::CreateTap(): waitpid() fails, errno = " << strerror (errno));
-	}
+      NS_ABORT_MSG_IF (waited == -1, "TapBridge::CreateTap(): waitpid() fails, errno = " << strerror (errno));
       NS_ASSERT_MSG (pid == waited, "TapBridge::CreateTap(): pid mismatch");
 
       //
@@ -400,10 +381,8 @@
       if (WIFEXITED (st))
 	{
           int exitStatus = WEXITSTATUS (st);
-          if (exitStatus != 0)
-            {
-              NS_FATAL_ERROR ("TapBridge::CreateTap(): socket creator exited normally with status " << exitStatus);
-            }
+          NS_ABORT_MSG_IF (exitStatus != 0, 
+                           "TapBridge::CreateTap(): socket creator exited normally with status " << exitStatus);
 	}
       else 
 	{
@@ -466,10 +445,7 @@
       // creator process.
       //
       ssize_t bytesRead = recvmsg (sock, &msg, 0);
-      if (bytesRead != sizeof(int))
-	{
-          NS_FATAL_ERROR ("TapBridge::CreateTap(): Wrong byte count from socket creator");
-	}
+      NS_ABORT_MSG_IF (bytesRead != sizeof(int), "TapBridge::CreateTap(): Wrong byte count from socket creator");
 
       //
       // There may be a number of message headers/ancillary data arrays coming in.
@@ -562,11 +538,7 @@
     {
       uint32_t bufferSize = 65536;
       uint8_t *buf = (uint8_t *)malloc (bufferSize);
-      if (buf == 0)
-        {
-          NS_FATAL_ERROR ("TapBridge::ReadThread(): malloc packet buffer failed");
-        }
-
+      NS_ABORT_MSG_IF (buf == 0, "TapBridge::ReadThread(): malloc packet buffer failed");
       NS_LOG_LOGIC ("Calling read on tap device socket fd");
       len = read (m_sock, buf, bufferSize);
 
@@ -770,8 +742,8 @@
   NS_LOG_LOGIC ("Pkt LengthType is " << header.GetLengthType ());
   NS_LOG_LOGIC ("Pkt size is " << p->GetSize ());
 
-  int32_t result __attribute__ ((unused));
-  result = write (m_sock, p->PeekData (), p->GetSize ());
+  uint32_t bytesWritten = write (m_sock, p->PeekData (), p->GetSize ());
+  NS_ABORT_MSG_IF (bytesWritten != p->GetSize (), "TapBridge::ReceiveFromBridgedDevice(): Write error.");
 }
 
 void 
--- a/src/internet-stack/arp-header.cc	Thu Feb 05 09:43:27 2009 -0800
+++ b/src/internet-stack/arp-header.cc	Fri Feb 06 11:10:51 2009 -0800
@@ -148,7 +148,7 @@
 ArpHeader::Deserialize (Buffer::Iterator start)
 {
   Buffer::Iterator i = start;
-  uint32_t hardwareType __attribute__ ((unused)) = i.ReadNtohU16 (); // Read HRD
+  i.Next (2);                                    // Skip HRD
   uint32_t protocolType = i.ReadNtohU16 ();      // Read PRO
   uint32_t hardwareAddressLen = i.ReadU8 ();     // Read HLN
   uint32_t protocolAddressLen = i.ReadU8 ();     // Read PLN
--- a/src/node/ipv4-address-generator.cc	Thu Feb 05 09:43:27 2009 -0800
+++ b/src/node/ipv4-address-generator.cc	Fri Feb 06 11:10:51 2009 -0800
@@ -17,6 +17,7 @@
  */
 
 #include <list>
+#include "ns3/abort.h"
 #include "ns3/assert.h"
 #include "ns3/log.h"
 #include "ns3/simulation-singleton.h"
@@ -137,17 +138,14 @@
 // We're going to be playing with the actual bits in the network and mask so
 // pull them out into ints.
 //
-  uint32_t maskBits __attribute__((unused)) = mask.Get ();
+  uint32_t maskBits = mask.Get ();
   uint32_t netBits = net.Get ();
   uint32_t addrBits = addr.Get ();
 //
 // Some quick reasonableness testing.
 //
-  NS_ASSERT_MSG((netBits & ~maskBits) == 0,
-    "Ipv4AddressGeneratorImpl::Init (): Inconsistent network and mask");
-
-  NS_ASSERT_MSG((addrBits & maskBits) == 0,
-    "Ipv4AddressGeneratorImpl::Init (): Inconsistent address and mask");
+  NS_ABORT_MSG_UNLESS ((netBits & ~maskBits) == 0, "Ipv4AddressGeneratorImpl::Init (): Inconsistent network and mask");
+  NS_ABORT_MSG_UNLESS ((addrBits & maskBits) == 0, "Ipv4AddressGeneratorImpl::Init (): Inconsistent address and mask");
 
 //
 // Convert the network mask into an index into the network number table.
@@ -158,10 +156,7 @@
   uint32_t index = MaskToIndex (mask);
 
   m_netTable[index].network = netBits >> m_netTable[index].shift;
-
-  NS_ASSERT_MSG (addrBits <= m_netTable[index].addrMax,
-    "Ipv4AddressGeneratorImpl::Init(): Address overflow");
-
+  NS_ABORT_MSG_UNLESS (addrBits <= m_netTable[index].addrMax, "Ipv4AddressGeneratorImpl::Init(): Address overflow");
   m_netTable[index].addr = addrBits;
   return;
 }
@@ -205,9 +200,7 @@
   uint32_t index = MaskToIndex (mask);
   uint32_t addrBits = addr.Get ();
 
-  NS_ASSERT_MSG (addrBits <= m_netTable[index].addrMax,
-    "Ipv4AddressGeneratorImpl::InitAddress(): Address overflow");
-
+  NS_ABORT_MSG_UNLESS (addrBits <= m_netTable[index].addrMax, "Ipv4AddressGeneratorImpl::InitAddress(): Address overflow");
   m_netTable[index].addr = addrBits;
 }
 
@@ -237,8 +230,8 @@
 //
   uint32_t index = MaskToIndex (mask);
 
-  NS_ASSERT_MSG (m_netTable[index].addr <= m_netTable[index].addrMax,
-    "Ipv4AddressGeneratorImpl::NextAddress(): Address overflow");
+  NS_ABORT_MSG_UNLESS (m_netTable[index].addr <= m_netTable[index].addrMax,
+                       "Ipv4AddressGeneratorImpl::NextAddress(): Address overflow");
 
   Ipv4Address addr = Ipv4Address (
     (m_netTable[index].network << m_netTable[index].shift) |
@@ -260,8 +253,7 @@
 
   uint32_t addr = address.Get ();
 
-  NS_ASSERT_MSG (addr, "Ipv4AddressGeneratorImpl::Add(): "
-    "Allocating the broadcast address is not a good idea"); 
+  NS_ABORT_MSG_UNLESS (addr, "Ipv4AddressGeneratorImpl::Add(): Allocating the broadcast address is not a good idea"); 
  
   std::list<Entry>::iterator i;
 
@@ -275,12 +267,10 @@
 //
       if (addr >= (*i).addrLow && addr <= (*i).addrHigh)
         {
-          NS_LOG_LOGIC ("Ipv4AddressGeneratorImpl::Add(): "
-            "Address Collision: " << Ipv4Address (addr)); 
+          NS_LOG_LOGIC ("Ipv4AddressGeneratorImpl::Add(): Address Collision: " << Ipv4Address (addr)); 
           if (!m_test) 
             {
-              NS_ASSERT_MSG (0, "Ipv4AddressGeneratorImpl::Add(): "
-                "Address Collision: " << Ipv4Address (addr)); 
+              NS_FATAL_ERROR ("Ipv4AddressGeneratorImpl::Add(): Address Collision: " << Ipv4Address (addr));
             }
           return false;
        }
@@ -313,9 +303,7 @@
                     "Address Collision: " << Ipv4Address (addr)); 
                   if (!m_test)
                     {
-                      NS_ASSERT_MSG (0, 
-                        "Ipv4AddressGeneratorImpl::Add(): "
-                     "Address Collision: " << Ipv4Address (addr));
+                      NS_FATAL_ERROR ("Ipv4AddressGeneratorImpl::Add(): Address Collision: " << Ipv4Address (addr));
                     }
                   return false;
                 }
@@ -374,10 +362,7 @@
       if (maskBits & 1)
         {
           uint32_t index = N_BITS - i;
-
-          NS_ASSERT_MSG (index > 0 && index < N_BITS,
-            "Ipv4AddressGenerator::MaskToIndex(): Illegal Mask");
-
+          NS_ABORT_MSG_UNLESS (index > 0 && index < N_BITS, "Ipv4AddressGenerator::MaskToIndex(): Illegal Mask");
           return index;
         }
       maskBits >>= 1;