- Added IceUtil::SyscallException and cleaned up few IceUtil exceptions

- Added errorToString() and lastErrorToString() functions to IceUtil/StringUtil.h
- Replaced multiple implementations of errorToString methods with the IceUtil one.
- Fixed bug 2641.

22 files changed, 480 insertions, 633 deletions

diff --git a/cpp/src/Ice/EventLoggerI.cpp b/cpp/src/Ice/EventLoggerI.cpp
index b52e6981624..72f4397f481 100755
--- a/cpp/src/Ice/EventLoggerI.cpp
+++ b/cpp/src/Ice/EventLoggerI.cpp
@@ -7,10 +7,10 @@
 //
 // **********************************************************************
 
+#include <IceUtil/StringUtil.h>
 #include <Ice/EventLoggerI.h>
 #include <Ice/EventLoggerMsg.h>
 #include <Ice/LocalException.h>
-#include <Ice/Network.h> // For errorToString
 #include <IceUtil/StaticMutex.h>
 
 using namespace std;
@@ -122,7 +122,7 @@ Ice::EventLoggerI::print(const string& message)
     if(!ReportEvent(_source, EVENTLOG_INFORMATION_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
     {
         IceUtil::StaticMutex::Lock sync(outputMutex);
-        cerr << "ReportEvent failed `" << IceInternal::errorToString(GetLastError()) << "':\n" << message << endl;
+        cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
     }
 }
 
@@ -142,7 +142,7 @@ Ice::EventLoggerI::trace(const string& category, const string& message)
     if(!ReportEvent(_source, EVENTLOG_INFORMATION_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
     {
         IceUtil::StaticMutex::Lock sync(outputMutex);
-        cerr << "ReportEvent failed `" << IceInternal::errorToString(GetLastError()) << "':\n" << message << endl;
+        cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
     }
 }
 
@@ -154,7 +154,7 @@ Ice::EventLoggerI::warning(const string& message)
     if(!ReportEvent(_source, EVENTLOG_WARNING_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
     {
         IceUtil::StaticMutex::Lock sync(outputMutex);
-        cerr << "ReportEvent failed `" << IceInternal::errorToString(GetLastError()) << "':\n" << message << endl;
+        cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
     }
 }
 
@@ -166,7 +166,7 @@ Ice::EventLoggerI::error(const string& message)
     if(!ReportEvent(_source, EVENTLOG_ERROR_TYPE, 0, EVENT_LOGGER_MSG, 0, 1, 0, str, 0))
     {
         IceUtil::StaticMutex::Lock sync(outputMutex);
-        cerr << "ReportEvent failed `" << IceInternal::errorToString(GetLastError()) << "':\n" << message << endl;
+        cerr << "ReportEvent failed `" << IceUtilInternal::errorToString(GetLastError()) << "':\n" << message << endl;
     }
 }
 
diff --git a/cpp/src/Ice/Exception.cpp b/cpp/src/Ice/Exception.cpp
index 7b7a87f746c..651c9f7277d 100644
--- a/cpp/src/Ice/Exception.cpp
+++ b/cpp/src/Ice/Exception.cpp
@@ -262,7 +262,7 @@ Ice::SyscallException::ice_print(ostream& out) const
     Exception::ice_print(out);
     if(error != 0)
     {
-        out << ":\nsyscall exception: " << errorToString(error);
+        out << ":\nsyscall exception: " << IceUtilInternal::errorToString(error);
     }
 }
 
@@ -277,7 +277,7 @@ Ice::SocketException::ice_print(ostream& out) const
     }
     else
     {
-        out << errorToString(error);
+        out << IceUtilInternal::errorToString(error);
     }
 }
 
@@ -292,7 +292,7 @@ Ice::FileException::ice_print(ostream& out) const
     }
     else
     {
-        out << errorToString(error);
+        out << IceUtilInternal::errorToString(error);
     }
     if(!path.empty())
     {
@@ -304,14 +304,14 @@ void
 Ice::ConnectFailedException::ice_print(ostream& out) const
 {
     Exception::ice_print(out);
-    out << ":\nconnect failed: " << errorToString(error);
+    out << ":\nconnect failed: " << IceUtilInternal::errorToString(error);
 }
 
 void
 Ice::ConnectionRefusedException::ice_print(ostream& out) const
 {
     Exception::ice_print(out);
-    out << ":\nconnection refused: " << errorToString(error);
+    out << ":\nconnection refused: " << IceUtilInternal::errorToString(error);
 }
 
 void
@@ -325,7 +325,7 @@ Ice::ConnectionLostException::ice_print(ostream& out) const
     }
     else
     {
-        out << errorToString(error);
+        out << IceUtilInternal::errorToString(error);
     }
 }
 
diff --git a/cpp/src/Ice/Network.cpp b/cpp/src/Ice/Network.cpp
index 02b2ce85fba..3af3dea5438 100644
--- a/cpp/src/Ice/Network.cpp
+++ b/cpp/src/Ice/Network.cpp
@@ -17,7 +17,7 @@
 #include <netinet/in.h>
 #endif
 
-#include <IceUtil/StaticMutex.h>
+#include <IceUtil/StringUtil.h>
 #include <Ice/Network.h>
 #include <Ice/LocalException.h>
 #include <Ice/Properties.h> // For setTcpBufSize
@@ -1538,219 +1538,14 @@ IceInternal::createPipe(SOCKET fds[2])
 #ifdef _WIN32
 
 string
-IceInternal::errorToString(int error)
-{
-    if(error < WSABASEERR)
-    {
-        LPVOID lpMsgBuf = 0;
-        DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                                 FORMAT_MESSAGE_FROM_SYSTEM |
-                                 FORMAT_MESSAGE_IGNORE_INSERTS,
-                                 NULL,
-                                 error,
-                                 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                                 (LPTSTR)&lpMsgBuf,
-                                 0,
-                                 NULL);
-        if(ok)
-        {
-            LPCTSTR msg = (LPCTSTR)lpMsgBuf;
-            assert(msg && strlen((const char*)msg) > 0);
-            string result = (const char*)msg;
-            if(result[result.length() - 1] == '\n')
-            {
-                result = result.substr(0, result.length() - 2);
-            }
-            LocalFree(lpMsgBuf);
-            return result;
-        }
-        else
-        {
-            ostringstream os;
-            os << "unknown error: " << error;
-            return os.str();
-        }
-    }
-
-    switch(error)
-    {
-    case WSAEINTR:
-        return "WSAEINTR";
-        
-    case WSAEBADF:
-        return "WSAEBADF";
-        
-    case WSAEACCES:
-        return "WSAEACCES";
-        
-    case WSAEFAULT:
-        return "WSAEFAULT";
-        
-    case WSAEINVAL:
-        return "WSAEINVAL";
-        
-    case WSAEMFILE:
-        return "WSAEMFILE";
-        
-    case WSAEWOULDBLOCK:
-        return "WSAEWOULDBLOCK";
-        
-    case WSAEINPROGRESS:
-        return "WSAEINPROGRESS";
-        
-    case WSAEALREADY:
-        return "WSAEALREADY";
-        
-    case WSAENOTSOCK:
-        return "WSAENOTSOCK";
-        
-    case WSAEDESTADDRREQ:
-        return "WSAEDESTADDRREQ";
-        
-    case WSAEMSGSIZE:
-        return "WSAEMSGSIZE";
-        
-    case WSAEPROTOTYPE:
-        return "WSAEPROTOTYPE";
-        
-    case WSAENOPROTOOPT:
-        return "WSAENOPROTOOPT";
-        
-    case WSAEPROTONOSUPPORT:
-        return "WSAEPROTONOSUPPORT";
-        
-    case WSAESOCKTNOSUPPORT:
-        return "WSAESOCKTNOSUPPORT";
-        
-    case WSAEOPNOTSUPP:
-        return "WSAEOPNOTSUPP";
-        
-    case WSAEPFNOSUPPORT:
-        return "WSAEPFNOSUPPORT";
-        
-    case WSAEAFNOSUPPORT:
-        return "WSAEAFNOSUPPORT";
-        
-    case WSAEADDRINUSE:
-        return "WSAEADDRINUSE";
-        
-    case WSAEADDRNOTAVAIL:
-        return "WSAEADDRNOTAVAIL";
-        
-    case WSAENETDOWN:
-        return "WSAENETDOWN";
-        
-    case WSAENETUNREACH:
-        return "WSAENETUNREACH";
-        
-    case WSAENETRESET:
-        return "WSAENETRESET";
-        
-    case WSAECONNABORTED:
-        return "WSAECONNABORTED";
-        
-    case WSAECONNRESET:
-        return "WSAECONNRESET";
-        
-    case WSAENOBUFS:
-        return "WSAENOBUFS";
-        
-    case WSAEISCONN:
-        return "WSAEISCONN";
-        
-    case WSAENOTCONN:
-        return "WSAENOTCONN";
-        
-    case WSAESHUTDOWN:
-        return "WSAESHUTDOWN";
-        
-    case WSAETOOMANYREFS:
-        return "WSAETOOMANYREFS";
-        
-    case WSAETIMEDOUT:
-        return "WSAETIMEDOUT";
-        
-    case WSAECONNREFUSED:
-        return "WSAECONNREFUSED";
-        
-    case WSAELOOP:
-        return "WSAELOOP";
-        
-    case WSAENAMETOOLONG:
-        return "WSAENAMETOOLONG";
-        
-    case WSAEHOSTDOWN:
-        return "WSAEHOSTDOWN";
-        
-    case WSAEHOSTUNREACH:
-        return "WSAEHOSTUNREACH";
-        
-    case WSAENOTEMPTY:
-        return "WSAENOTEMPTY";
-        
-    case WSAEPROCLIM:
-        return "WSAEPROCLIM";
-        
-    case WSAEUSERS:
-        return "WSAEUSERS";
-        
-    case WSAEDQUOT:
-        return "WSAEDQUOT";
-        
-    case WSAESTALE:
-        return "WSAESTALE";
-        
-    case WSAEREMOTE:
-        return "WSAEREMOTE";
-        
-    case WSAEDISCON:
-        return "WSAEDISCON";
-        
-    case WSASYSNOTREADY:
-        return "WSASYSNOTREADY";
-        
-    case WSAVERNOTSUPPORTED:
-        return "WSAVERNOTSUPPORTED";
-        
-    case WSANOTINITIALISED:
-        return "WSANOTINITIALISED";
-        
-    case WSAHOST_NOT_FOUND:
-        return "WSAHOST_NOT_FOUND";
-        
-    case WSATRY_AGAIN:
-        return "WSATRY_AGAIN";
-        
-    case WSANO_RECOVERY:
-        return "WSANO_RECOVERY";
-        
-    case WSANO_DATA:
-        return "WSANO_DATA";
-
-    default:
-    {
-        ostringstream os;
-        os << "unknown socket error: " << error;
-        return os.str();
-    }
-    }
-}
-
-string
 IceInternal::errorToStringDNS(int error)
 {
-    return errorToString(error);
+    return IceUtilInternal::errorToString(error);
 }
 
 #else
 
 string
-IceInternal::errorToString(int error)
-{
-    return strerror(error);
-}
-
-string
 IceInternal::errorToStringDNS(int error)
 {
     return gai_strerror(error);
@@ -1758,16 +1553,6 @@ IceInternal::errorToStringDNS(int error)
 
 #endif
 
-string
-IceInternal::lastErrorToString()
-{
-#ifdef _WIN32
-    return errorToString(WSAGetLastError());
-#else
-    return errorToString(errno);
-#endif
-}
-
 std::string
 IceInternal::fdToString(SOCKET fd)
 {
diff --git a/cpp/src/Ice/Network.h b/cpp/src/Ice/Network.h
index ed09190e27b..57b792d8794 100644
--- a/cpp/src/Ice/Network.h
+++ b/cpp/src/Ice/Network.h
@@ -111,9 +111,7 @@ ICE_API int compareAddress(const struct sockaddr_storage&, const struct sockaddr
 
 ICE_API void createPipe(SOCKET fds[2]);
 
-ICE_API std::string errorToString(int);
 ICE_API std::string errorToStringDNS(int);
-ICE_API std::string lastErrorToString();
 
 ICE_API std::string fdToString(SOCKET);
 ICE_API std::string addressesToString(const struct sockaddr_storage&, const struct sockaddr_storage&, bool);
diff --git a/cpp/src/Ice/Selector.cpp b/cpp/src/Ice/Selector.cpp
index 5e82c2f7ee3..822a5bedd48 100644
--- a/cpp/src/Ice/Selector.cpp
+++ b/cpp/src/Ice/Selector.cpp
@@ -8,6 +8,7 @@
 // **********************************************************************
 
 #include <IceUtil/DisableWarnings.h>
+#include <IceUtil/StringUtil.h>
 #include <Ice/Selector.h>
 #include <Ice/Network.h>
 #include <Ice/Instance.h>
@@ -146,7 +147,7 @@ IceInternal::Selector::add(SOCKET fd, SocketStatus status)
     {
         Error out(_instance->initializationData().logger);
         out << "error while adding filedescriptor to epoll set:\n";
-        out << errorToString(getSocketErrno());
+        out << IceInternalUtil::errorToString(getSocketErrno());
     }
     _events.resize(_events.size() + 1);
 #elif defined(__APPLE__)
@@ -167,7 +168,7 @@ IceInternal::Selector::add(SOCKET fd, SocketStatus status)
     {
         Error out(_instance->initializationData().logger);
         out << "error while adding filedescriptor to kqueue:\n";
-        out << errorToString(getSocketErrno());
+        out << IceUtilInternal::errorToString(getSocketErrno());
     }
     _events.resize(_events.size() + 1);
 #else
@@ -219,7 +220,7 @@ Selector::remove(SOCKET fd, SocketStatus status)
         //
 //         Error out(_instance->initializationData().logger);
 //         out << "error while removing filedescriptor from epoll set:\n";
-//         out << errorToString(getSocketErrno());
+//         out << IceUtilInternal::errorToString(getSocketErrno());
     }
     _events.resize(_events.size() - 1);
 #elif defined(__APPLE__)
@@ -244,7 +245,7 @@ Selector::remove(SOCKET fd, SocketStatus status)
         //
 //         Error out(_instance->initializationData().logger);
 //         out << "error while removing filedescriptor from kqueue:\n";
-//         out << errorToString(getSocketErrno());
+//         out << IceUtilInternal::errorToString(getSocketErrno());
     }
     _events.resize(_events.size() - 1);
 #else
diff --git a/cpp/src/Ice/Service.cpp b/cpp/src/Ice/Service.cpp
index ed6b2c98a1d..edc357c4620 100755
--- a/cpp/src/Ice/Service.cpp
+++ b/cpp/src/Ice/Service.cpp
@@ -9,6 +9,7 @@
 
 #include <IceUtil/DisableWarnings.h>
 #include <IceUtil/CtrlCHandler.h>
+#include <IceUtil/StringUtil.h>
 #include <IceUtil/Thread.h>
 #include <IceUtil/Monitor.h>
 #include <IceUtil/Mutex.h>
@@ -1193,33 +1194,7 @@ Ice::Service::initializeCommunicator(int& argc, char* argv[], const Initializati
 void
 Ice::Service::syserror(const string& msg)
 {
-    string errmsg;
-#ifdef _WIN32
-    int err = GetLastError();
-    if(err < WSABASEERR)
-    {
-        LPVOID lpMsgBuf = 0;
-        DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                                 FORMAT_MESSAGE_FROM_SYSTEM |
-                                 FORMAT_MESSAGE_IGNORE_INSERTS,
-                                 0,
-                                 err,
-                                 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                                 (LPTSTR)&lpMsgBuf,
-                                 0,
-                                 0);
-        if(ok)
-        {
-            LPCTSTR str = (LPCTSTR)lpMsgBuf;
-            assert(str && strlen((const char*)str) > 0);
-            errmsg = (const char*)str;
-            LocalFree(lpMsgBuf);
-        }
-    }
-#else
-    int err = errno;
-    errmsg = strerror(err);
-#endif
+    string errmsg = IceUtilInternal::lastErrorToString();
     if(_logger)
     {
         ostringstream ostr;
diff --git a/cpp/src/Ice/StringConverter.cpp b/cpp/src/Ice/StringConverter.cpp
index ec88ab47188..a89fa716494 100755
--- a/cpp/src/Ice/StringConverter.cpp
+++ b/cpp/src/Ice/StringConverter.cpp
@@ -9,6 +9,7 @@
 
 #include <Ice/StringConverter.h>
 #include <IceUtil/IceUtil.h>
+#include <IceUtil/StringUtil.h>
 #include <IceUtil/ScopedArray.h>
 #include <Ice/LocalException.h>
 
@@ -16,43 +17,6 @@ using namespace IceUtil;
 using namespace IceUtilInternal;
 using namespace std;
 
-
-#ifdef _WIN32
-namespace
-{
-//
-// Helper function
-//
-
-string getMessageForLastError()
-{
-    LPVOID lpMsgBuf = 0;
-    DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                             FORMAT_MESSAGE_FROM_SYSTEM |
-                             FORMAT_MESSAGE_IGNORE_INSERTS,
-                             NULL,
-                             GetLastError(),
-                             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                             (LPTSTR)&lpMsgBuf,
-                             0,
-                             NULL);
-
-    string msg;
-    if(ok)
-    {
-        msg = (LPCTSTR)lpMsgBuf;
-        LocalFree(lpMsgBuf);
-    }
-    else
-    {
-        msg = "Unknown Windows error";
-    }
-    return msg;
-}
-}
-#endif
-
-
 namespace Ice
 {
 
@@ -162,7 +126,7 @@ WindowsStringConverter::toUTF8(const char* sourceStart,
 
     if(writtenWchar == 0)
     {
-        throw StringConversionException(__FILE__, __LINE__, getMessageForLastError());
+        throw StringConversionException(__FILE__, __LINE__, IceUtilInternal::lastErrorToString());
     }
 
     //
@@ -203,7 +167,7 @@ WindowsStringConverter::fromUTF8(const Byte* sourceStart, const Byte* sourceEnd,
 
     if(writtenChar == 0)
     {
-        throw StringConversionException(__FILE__, __LINE__, getMessageForLastError());
+        throw StringConversionException(__FILE__, __LINE__, IceUtilInternal::lastErrorToString());
     }
 
     target.assign(buffer.get(), writtenChar);
diff --git a/cpp/src/Ice/UdpTransceiver.cpp b/cpp/src/Ice/UdpTransceiver.cpp
index 96d17fc3bcb..fa58c144866 100644
--- a/cpp/src/Ice/UdpTransceiver.cpp
+++ b/cpp/src/Ice/UdpTransceiver.cpp
@@ -511,13 +511,13 @@ IceInternal::UdpTransceiver::UdpTransceiver(const InstancePtr& instance, const s
         if(multicast)
         {
             setReuseAddress(_fd, true);
-            struct sockaddr_storage addr;
 
             //
             // Windows does not allow binding to the mcast address itself
             // so we bind to INADDR_ANY (0.0.0.0) instead.
             //
 #ifdef _WIN32
+            struct sockaddr_storage addr;
             getAddressForServer("", port, addr, instance->protocolSupport());
             doBind(_fd, addr);
 #else
diff --git a/cpp/src/IceGrid/PlatformInfo.cpp b/cpp/src/IceGrid/PlatformInfo.cpp
index 462e0d70c1d..52838371502 100644
--- a/cpp/src/IceGrid/PlatformInfo.cpp
+++ b/cpp/src/IceGrid/PlatformInfo.cpp
@@ -7,11 +7,11 @@
 //
 // **********************************************************************
 
+#include <IceUtil/StringUtil.h>
 #include <Ice/Communicator.h>
 #include <Ice/Properties.h>
 #include <Ice/LocalException.h>
 #include <Ice/LoggerUtil.h>
-#include <Ice/ProtocolPluginFacade.h> // Just to get the hostname
 
 #include <IceGrid/PlatformInfo.h>
 #include <IceGrid/TraceLevels.h>
@@ -46,37 +46,7 @@ namespace
 string
 pdhErrorToString(PDH_STATUS err)
 {
-    LPVOID lpMsgBuf = 0;
-	
-    DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                             FORMAT_MESSAGE_FROM_HMODULE |
-                             FORMAT_MESSAGE_IGNORE_INSERTS,
-                             GetModuleHandle(TEXT("PDH.DLL")), 
-                             err,
-                             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                             (LPTSTR)&lpMsgBuf, 
-                             0,
-                             NULL);
-
-    string message;
-    if(ok)
-    {
-        LPCTSTR msg = (LPCTSTR)lpMsgBuf;
-        assert(msg && strlen(static_cast<const char*>(msg)) > 0);
-        message = static_cast<const char*>(msg);
-        if(message[message.length() - 1] == '\n')
-        {
-            message = message.substr(0, message.length() - 2);
-        }
-        LocalFree(lpMsgBuf);
-    }
-    else
-    {
-        ostringstream os;
-        os << "unknown error: " << err;
-        message = os.str();
-    }
-    return message;
+    return IceUtilInternal::errorToString(err, GetModuleHandle(TEXT("PDH.DLL")));
 }
 
 static string
@@ -302,7 +272,7 @@ PlatformInfo::PlatformInfo(const string& prefix,
     if(getcwd(cwd, PATH_MAX) == NULL)
 #endif
     {
-        throw "cannot get the current directory:\n" + IcePatch2::lastError();
+        throw "cannot get the current directory:\n" + IceUtilInternal::lastErrorToString();
     }
     _cwd = string(cwd);
 
diff --git a/cpp/src/IceGrid/ServerI.cpp b/cpp/src/IceGrid/ServerI.cpp
index d4eacad1224..fd0c8065c2a 100644
--- a/cpp/src/IceGrid/ServerI.cpp
+++ b/cpp/src/IceGrid/ServerI.cpp
@@ -49,7 +49,7 @@ chownRecursive(const string& path, uid_t uid, gid_t gid)
     DIR* d;
     if((d = opendir(path.c_str())) == 0)
     {
-        throw "cannot read directory `" + path + "':\n" + IcePatch2::lastError();
+        throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     struct dirent* entry;
@@ -60,7 +60,7 @@ chownRecursive(const string& path, uid_t uid, gid_t gid)
         if(namelist == 0)
         {
             closedir(d);
-            throw "cannot read directory `" + path + "':\n" + IcePatch2::lastError();
+            throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
 
         size_t entrysize = sizeof(struct dirent) - sizeof(entry->d_name) + strlen(entry->d_name) + 1;
@@ -68,7 +68,7 @@ chownRecursive(const string& path, uid_t uid, gid_t gid)
         if(namelist[n] == 0)
         {
             closedir(d);
-            throw "cannot read directory `" + path + "':\n" + IcePatch2::lastError();
+            throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
         memcpy(namelist[n], entry, entrysize);
         ++n;
@@ -76,7 +76,7 @@ chownRecursive(const string& path, uid_t uid, gid_t gid)
 
     if(closedir(d))
     {
-        throw "cannot read directory `" + path + "':\n" + IcePatch2::lastError();
+        throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     for(int i = 0; i < n; ++i)
@@ -90,13 +90,13 @@ chownRecursive(const string& path, uid_t uid, gid_t gid)
             name = path + "/" + name;
             if(chown(name.c_str(), uid, gid) != 0)
             {
-                throw "can't change permissions on `" + name + "':\n" + IcePatch2::lastError();
+                throw "can't change permissions on `" + name + "':\n" + IceUtilInternal::lastErrorToString();
             }
 
             OS::structstat buf;
             if(OS::osstat(name, &buf) == -1)
             {
-                throw "cannot stat `" + name + "':\n" + IcePatch2::lastError();
+                throw "cannot stat `" + name + "':\n" + IceUtilInternal::lastErrorToString();
             }
             
             if(S_ISDIR(buf.st_mode))
diff --git a/cpp/src/IcePatch2/Calc.cpp b/cpp/src/IcePatch2/Calc.cpp
index be17981a6b6..17cfdd62739 100644
--- a/cpp/src/IcePatch2/Calc.cpp
+++ b/cpp/src/IcePatch2/Calc.cpp
@@ -9,6 +9,7 @@
 
 #include <IceUtil/Options.h>
 #include <IceUtil/Unicode.h>
+#include <IceUtil/StringUtil.h>
 #include <IcePatch2/Util.h>
 #include <OS.h>
 
@@ -191,7 +192,7 @@ main(int argc, char* argv[])
         string cwd;
         if(OS::getcwd(cwd) != 0)
         {
-            throw "cannot get the current directory:\n" + lastError();
+            throw "cannot get the current directory:\n" + IceUtilInternal::lastErrorToString();
         }
 
         if(!isAbsolute(absDataDir))
diff --git a/cpp/src/IcePatch2/ClientUtil.cpp b/cpp/src/IcePatch2/ClientUtil.cpp
index 07453c4af41..6ce8273a36f 100755
--- a/cpp/src/IcePatch2/ClientUtil.cpp
+++ b/cpp/src/IcePatch2/ClientUtil.cpp
@@ -8,6 +8,7 @@
 // **********************************************************************
 
 #include <IceUtil/Unicode.h>
+#include <IceUtil/StringUtil.h>
 #include <IcePatch2/ClientUtil.h>
 #include <IcePatch2/Util.h>
 #include <IcePatch2/FileServerI.h>
@@ -79,7 +80,7 @@ public:
         {
             if(fputc('+', fp) == EOF || !writeFileInfo(fp, *p))
             {
-                throw "error writing log file:\n" + lastError();
+                throw "error writing log file:\n" + IceUtilInternal::lastErrorToString();
             }
         }
 
@@ -454,7 +455,7 @@ IcePatch2::Patcher::prepare()
     _log = OS::fopen(pathLog, "w");
     if(!_log)
     {
-        throw "cannot open `" + pathLog + "' for writing:\n" + lastError();
+        throw "cannot open `" + pathLog + "' for writing:\n" + IceUtilInternal::lastErrorToString();
     }
 
     return true;
@@ -614,7 +615,7 @@ IcePatch2::Patcher::init(const FileServerPrx& server)
         string cwd;
         if(OS::getcwd(cwd) != 0)
         {
-            throw "cannot get the current directory:\n" + lastError();
+            throw "cannot get the current directory:\n" + IceUtilInternal::lastErrorToString();
         }
         const_cast<string&>(_dataDir) = simplify(cwd + '/' + _dataDir);
     }
@@ -638,7 +639,7 @@ IcePatch2::Patcher::removeFiles(const FileInfoSeq& files)
             remove(_dataDir + '/' + p->path);
             if(fputc('-', _log) == EOF || ! writeFileInfo(_log, *p))
             {
-                throw "error writing log file:\n" + lastError();
+                throw "error writing log file:\n" + IceUtilInternal::lastErrorToString();
             }
         }
         catch(...)
@@ -797,7 +798,7 @@ IcePatch2::Patcher::updateFilesInternal(const FileInfoSeq& files, const Decompre
             createDirectoryRecursive(_dataDir + '/' + p->path);
             if(fputc('+', _log) == EOF || !writeFileInfo(_log, *p))
             {
-                throw "error writing log file:\n" + lastError();
+                throw "error writing log file:\n" + IceUtilInternal::lastErrorToString();
             }
         }
         else // Regular file.
@@ -813,7 +814,7 @@ IcePatch2::Patcher::updateFilesInternal(const FileInfoSeq& files, const Decompre
                 FILE* fp = OS::fopen(path, "wb");
                 if(fp == 0)
                 {
-                    throw "cannot open `" + path +"' for writing:\n" + lastError();
+                    throw "cannot open `" + path +"' for writing:\n" + IceUtilInternal::lastErrorToString();
                 }
                 fclose(fp);
             }
@@ -838,7 +839,7 @@ IcePatch2::Patcher::updateFilesInternal(const FileInfoSeq& files, const Decompre
                 FILE* fileBZ2 = OS::fopen(pathBZ2, "wb");
                 if(fileBZ2 == 0)
                 {
-                    throw "cannot open `" + pathBZ2 + "' for writing:\n" + lastError();
+                    throw "cannot open `" + pathBZ2 + "' for writing:\n" + IceUtilInternal::lastErrorToString();
                 }
 
                 try
@@ -897,7 +898,7 @@ IcePatch2::Patcher::updateFilesInternal(const FileInfoSeq& files, const Decompre
 
                         if(fwrite(reinterpret_cast<char*>(&bytes[0]), bytes.size(), 1, fileBZ2) != 1)
                         {
-                            throw ": cannot write `" + pathBZ2 + "':\n" + lastError();
+                            throw ": cannot write `" + pathBZ2 + "':\n" + IceUtilInternal::lastErrorToString();
                         }
 
                         pos += static_cast<int>(bytes.size());
diff --git a/cpp/src/IcePatch2/Server.cpp b/cpp/src/IcePatch2/Server.cpp
index 35fe7589e48..2e34440611a 100644
--- a/cpp/src/IcePatch2/Server.cpp
+++ b/cpp/src/IcePatch2/Server.cpp
@@ -8,6 +8,7 @@
 // **********************************************************************
 
 #include <IceUtil/Options.h>
+#include <IceUtil/StringUtil.h>
 #include <Ice/Service.h>
 #include <IcePatch2/FileServerI.h>
 #include <IcePatch2/Util.h>
@@ -122,7 +123,7 @@ IcePatch2::PatcherService::start(int argc, char* argv[])
             string cwd;
             if(OS::getcwd(cwd) != 0)
             {
-                throw "cannot get the current directory:\n" + lastError();
+                throw "cannot get the current directory:\n" + IceUtilInternal::lastErrorToString();
             }
             
             dataDir = cwd + '/' + dataDir;
diff --git a/cpp/src/IcePatch2/Util.cpp b/cpp/src/IcePatch2/Util.cpp
index b756ab24bb6..85fd668470f 100644
--- a/cpp/src/IcePatch2/Util.cpp
+++ b/cpp/src/IcePatch2/Util.cpp
@@ -161,43 +161,6 @@ IcePatch2::readFileInfo(FILE* fp, FileInfo& info)
 }
 
 string
-IcePatch2::lastError()
-{
-#ifdef _WIN32
-    LPVOID lpMsgBuf = 0;
-    DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                             FORMAT_MESSAGE_FROM_SYSTEM |
-                             FORMAT_MESSAGE_IGNORE_INSERTS,
-                             NULL,
-                             GetLastError(),
-                             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                             (LPTSTR)&lpMsgBuf,
-                             0,
-                             NULL);
-    if(ok)
-    {
-        LPCTSTR msg = (LPCTSTR)lpMsgBuf;
-        assert(msg && strlen((const char*)msg) > 0);
-        string result = (const char*)msg;
-        LocalFree(lpMsgBuf);
-
-        while(result.size() >= 1 && (result[result.size() - 1] == '\n' || result[result.size() - 1] == '\r'))
-        {
-            result.erase(result.size() - 1);
-        }
-
-        return result;
-    }
-    else
-    {
-        return "unknown error";
-    }
-#else
-    return strerror(errno);
-#endif
-}
-
-string
 IcePatch2::bytesToString(const ByteSeq& bytes)
 {
 /*
@@ -454,7 +417,7 @@ IcePatch2::rename(const string& fromPa, const string& toPa)
 
     if(OS::rename(fromPath ,toPath) == -1)
     {
-        throw "cannot rename `" + fromPath + "' to  `" + toPath + "': " + lastError();
+        throw "cannot rename `" + fromPath + "' to  `" + toPath + "': " + IceUtilInternal::lastErrorToString();
     }
 }
 
@@ -466,7 +429,7 @@ IcePatch2::remove(const string& pa)
     OS::structstat buf;
     if(OS::osstat(path, &buf) == -1)
     {
-        throw "cannot stat `" + path + "':\n" + lastError();
+        throw "cannot stat `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     if(S_ISDIR(buf.st_mode))
@@ -477,14 +440,14 @@ IcePatch2::remove(const string& pa)
             {
                 assert(false);
             }
-            throw "cannot remove directory `" + path + "':\n" + lastError();
+            throw "cannot remove directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
     }
     else
     {
         if(OS::remove(path) == -1)
         {
-            throw "cannot remove file `" + path + "':\n" + lastError();
+            throw "cannot remove file `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
     }
 }
@@ -497,7 +460,7 @@ IcePatch2::removeRecursive(const string& pa)
     OS::structstat buf;
     if(OS::osstat(path, &buf) == -1)
     {
-        throw "cannot stat `" + path + "':\n" + lastError();
+        throw "cannot stat `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     if(S_ISDIR(buf.st_mode))
@@ -512,7 +475,7 @@ IcePatch2::removeRecursive(const string& pa)
         {
             if(OS::rmdir(path) == -1)
             {
-                throw "cannot remove directory `" + path + "':\n" + lastError();
+                throw "cannot remove directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
             }
         }
     }
@@ -520,7 +483,7 @@ IcePatch2::removeRecursive(const string& pa)
     {
         if(OS::remove(path) == -1)
         {
-            throw "cannot remove file `" + path + "':\n" + lastError();
+            throw "cannot remove file `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
     }
 }
@@ -544,7 +507,7 @@ IcePatch2::readDirectory(const string& pa)
         {
             return result;
         }
-        throw "cannot read directory `" + path + "':\n" + lastError();
+        throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
 
@@ -565,7 +528,7 @@ IcePatch2::readDirectory(const string& pa)
                 break;
             }
 
-            string ex = "cannot read directory `" + path + "':\n" + lastError();
+            string ex = "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
             _wfindclose(&data);
             throw ex;
         }
@@ -582,7 +545,7 @@ IcePatch2::readDirectory(const string& pa)
 #    endif
     if(h == -1)
     {
-        throw "cannot read directory `" + path + "':\n" + lastError();
+        throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     while(true)
@@ -602,7 +565,7 @@ IcePatch2::readDirectory(const string& pa)
                 break;
             }
 
-            string ex = "cannot read directory `" + path + "':\n" + lastError();
+            string ex = "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
             _findclose(h);
             throw ex;
         }
@@ -624,7 +587,7 @@ IcePatch2::readDirectory(const string& pa)
 #endif
     if(n < 0)
     {
-        throw "cannot read directory `" + path + "':\n" + lastError();
+        throw "cannot read directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
 
     StringSeq result;
@@ -658,7 +621,7 @@ IcePatch2::createDirectory(const string& pa)
     {
         if(errno != EEXIST)
         {
-            throw "cannot create directory `" + path + "':\n" + lastError();
+            throw "cannot create directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
     }
 }
@@ -689,7 +652,7 @@ IcePatch2::createDirectoryRecursive(const string& pa)
         {
             if(errno != EEXIST)
             {
-                throw "cannot create directory `" + path + "':\n" + lastError();
+                throw "cannot create directory `" + path + "':\n" + IceUtilInternal::lastErrorToString();
             }
         }
     }
@@ -703,7 +666,7 @@ IcePatch2::compressBytesToFile(const string& pa, const ByteSeq& bytes, Int pos)
     FILE* stdioFile = OS::fopen(path, "wb");
     if(!stdioFile)
     {
-        throw "cannot open `" + path + "' for writing:\n" + lastError();
+        throw "cannot open `" + path + "' for writing:\n" + IceUtilInternal::lastErrorToString();
     }
 
     int bzError;
@@ -713,7 +676,7 @@ IcePatch2::compressBytesToFile(const string& pa, const ByteSeq& bytes, Int pos)
         string ex = "BZ2_bzWriteOpen failed";
         if(bzError == BZ_IO_ERROR)
         {
-            ex += string(": ") + lastError();
+            ex += string(": ") + IceUtilInternal::lastErrorToString();
         }
         fclose(stdioFile);
         throw ex;
@@ -725,7 +688,7 @@ IcePatch2::compressBytesToFile(const string& pa, const ByteSeq& bytes, Int pos)
         string ex = "BZ2_bzWrite failed";
         if(bzError == BZ_IO_ERROR)
         {
-            ex += string(": ") + lastError();
+            ex += string(": ") + IceUtilInternal::lastErrorToString();
         }
         BZ2_bzWriteClose(&bzError, bzFile, 0, 0, 0);
         fclose(stdioFile);
@@ -738,7 +701,7 @@ IcePatch2::compressBytesToFile(const string& pa, const ByteSeq& bytes, Int pos)
         string ex = "BZ2_bzWriteClose failed";
         if(bzError == BZ_IO_ERROR)
         {
-            ex += string(": ") + lastError();
+            ex += string(": ") + IceUtilInternal::lastErrorToString();
         }
         fclose(stdioFile);
         throw ex;
@@ -763,13 +726,13 @@ IcePatch2::decompressFile(const string& pa)
         fp = OS::fopen(path, "wb");
         if(!fp)
         {
-            throw "cannot open `" + path + "' for writing:\n" + lastError();
+            throw "cannot open `" + path + "' for writing:\n" + IceUtilInternal::lastErrorToString();
         }
         
         stdioFileBZ2 = OS::fopen(pathBZ2, "rb");
         if(!stdioFileBZ2)
         {
-            throw "cannot open `" + pathBZ2 + "' for reading:\n" + lastError();
+            throw "cannot open `" + pathBZ2 + "' for reading:\n" + IceUtilInternal::lastErrorToString();
         }
 
 #ifdef __BCPLUSPLUS__
@@ -779,13 +742,13 @@ IcePatch2::decompressFile(const string& pa)
         OS::structstat buf;
         if(OS::osstat(pathBZ2, &buf) == -1)
         {
-            throw "cannot stat `" + pathBZ2 + "':\n" + lastError();
+            throw "cannot stat `" + pathBZ2 + "':\n" + IceUtilInternal::lastErrorToString();
         }
 
         ByteSeq compressedBytes(buf.st_size);
         if(fread(&compressedBytes[0], buf.st_size, 1, stdioFileBZ2) == -1)
         {
-             throw "cannot read from `" + pathBZ2 + "':\n" + lastError();
+             throw "cannot read from `" + pathBZ2 + "':\n" + IceUtilInternal::lastErrorToString();
         }
 
         ByteSeq uncompressedBytes;
@@ -809,7 +772,7 @@ IcePatch2::decompressFile(const string& pa)
                 string ex = "BZ2_bzBuffToBuffDecompress failed";
                 if(bzError == BZ_IO_ERROR)
                 {
-                    ex += string(": ") + lastError();
+                    ex += string(": ") + IceUtilInternal::lastErrorToString();
                 }
                 throw ex;
             }
@@ -817,7 +780,7 @@ IcePatch2::decompressFile(const string& pa)
 
         if(fwrite(&uncompressedBytes[0], uncompressedLen, 1, fp) != 1)
         {
-            throw "cannot write to `" + path + "':\n" + lastError();
+            throw "cannot write to `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
 #else
         bzFile = BZ2_bzReadOpen(&bzError, stdioFileBZ2, 0, 0, 0, 0);
@@ -826,7 +789,7 @@ IcePatch2::decompressFile(const string& pa)
             string ex = "BZ2_bzReadOpen failed";
             if(bzError == BZ_IO_ERROR)
             {
-                ex += string(": ") + lastError();
+                ex += string(": ") + IceUtilInternal::lastErrorToString();
             }
             throw ex;
         }
@@ -842,7 +805,7 @@ IcePatch2::decompressFile(const string& pa)
                 string ex = "BZ2_bzRead failed";
                 if(bzError == BZ_IO_ERROR)
                 {
-                    ex += string(": ") + lastError();
+                    ex += string(": ") + IceUtilInternal::lastErrorToString();
                 }
                 throw ex;
             }
@@ -852,12 +815,12 @@ IcePatch2::decompressFile(const string& pa)
                 long pos = ftell(stdioFileBZ2);
                 if(pos == -1)
                 {
-                    throw "cannot get read position for `" + pathBZ2 + "':\n" + lastError();
+                    throw "cannot get read position for `" + pathBZ2 + "':\n" + IceUtilInternal::lastErrorToString();
                 }
                 
                 if(fwrite(bytesBZ2, sz, 1, fp) != 1)
                 {
-                    throw "cannot write to `" + path + "':\n" + lastError();
+                    throw "cannot write to `" + path + "':\n" + IceUtilInternal::lastErrorToString();
                 }
             }
         }
@@ -869,7 +832,7 @@ IcePatch2::decompressFile(const string& pa)
             string ex = "BZ2_bzReadClose failed";
             if(bzError == BZ_IO_ERROR)
             {
-                ex += string(": ") + lastError();
+                ex += string(": ") + IceUtilInternal::lastErrorToString();
             }
             throw ex;
         }
@@ -904,7 +867,7 @@ IcePatch2::setFileFlags(const string& pa, const FileInfo& info)
     OS::structstat buf;
     if(OS::osstat(path, &buf) == -1)
     {
-        throw "cannot stat `" + path + "':\n" + lastError();
+        throw "cannot stat `" + path + "':\n" + IceUtilInternal::lastErrorToString();
     }
     chmod(path.c_str(), info.executable ? buf.st_mode | S_IXUSR : buf.st_mode & ~S_IXUSR);
 #endif
@@ -950,7 +913,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                 }
                 else
                 {
-                    throw "cannot stat `" + path + "':\n" + lastError();
+                    throw "cannot stat `" + path + "':\n" + IceUtilInternal::lastErrorToString();
                 }
             }
             else if(buf.st_size == 0)
@@ -970,7 +933,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
         OS::structstat buf;
         if(OS::osstat(path, &buf) == -1)
         {
-            throw "cannot stat `" + path + "':\n" + lastError();
+            throw "cannot stat `" + path + "':\n" + IceUtilInternal::lastErrorToString();
         }
 
         if(S_ISDIR(buf.st_mode))
@@ -1073,7 +1036,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                         int fd = OS::open(path.c_str(), O_BINARY|O_RDONLY);
                         if(fd == -1)
                         {
-                            throw "cannot open `" + path + "' for reading:\n" + lastError();
+                            throw "cannot open `" + path + "' for reading:\n" + IceUtilInternal::lastErrorToString();
                         }
 
                         ByteSeq uncompressedBytes(buf.st_size);
@@ -1081,7 +1044,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                         if(read(fd, &uncompressedBytes[0], buf.st_size) == -1)
                         {
                             close(fd);
-                            throw "cannot read from `" + path + "':\n" + lastError();
+                            throw "cannot read from `" + path + "':\n" + IceUtilInternal::lastErrorToString();
                         }
 
                         unsigned int compressedLen = buf.st_size * 1.01 + 600;
@@ -1094,7 +1057,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                             string ex = "BZ2_bzBuffToBuffCompress failed";
                             if(bzError == BZ_IO_ERROR)
                             {
-                                ex += string(": ") + lastError();
+                                ex += string(": ") + IceUtilInternal::lastErrorToString();
                             }
                             close(fd);
                             throw ex;
@@ -1106,7 +1069,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                         if(fwrite(&compressedBytes[0], compressedLen, 1, stdioFile) != 1)
                         {
                             fclose(stdioFile);
-                            throw "cannot write to `" + pathBZ2Temp + "':\n" + lastError();
+                            throw "cannot write to `" + pathBZ2Temp + "':\n" + IceUtilInternal::lastErrorToString();
                         }
                         fclose(stdioFile);
 
@@ -1119,7 +1082,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                     int fd = OS::open(path.c_str(), O_BINARY|O_RDONLY);
                     if(fd == -1)
                     {
-                        throw "cannot open `" + path + "' for reading:\n" + lastError();
+                        throw "cannot open `" + path + "' for reading:\n" + IceUtilInternal::lastErrorToString();
                     }
 
 #ifndef __BCPLUSPLUS__
@@ -1133,7 +1096,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                         if(!stdioFile)
                         {
                             close(fd);
-                            throw "cannot open `" + pathBZ2Temp + "' for writing:\n" + lastError();
+                            throw "cannot open `" + pathBZ2Temp + "' for writing:\n" + IceUtilInternal::lastErrorToString();
                         }
 
                         bzFile = BZ2_bzWriteOpen(&bzError, stdioFile, 5, 0, 0);
@@ -1142,7 +1105,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                             string ex = "BZ2_bzWriteOpen failed";
                             if(bzError == BZ_IO_ERROR)
                             {
-                            ex += string(": ") + lastError();
+                            ex += string(": ") + IceUtilInternal::lastErrorToString();
                             }
                             fclose(stdioFile);
                             close(fd);
@@ -1164,7 +1127,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                             }
 #endif
                             close(fd);
-                            throw "cannot read from `" + path + "':\n" + lastError();
+                            throw "cannot read from `" + path + "':\n" + IceUtilInternal::lastErrorToString();
                         }
                         bytesLeft -= static_cast<unsigned int>(bytes.size());
 
@@ -1177,7 +1140,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                                 string ex = "BZ2_bzWrite failed";
                                 if(bzError == BZ_IO_ERROR)
                                 {
-                                    ex += string(": ") + lastError();
+                                    ex += string(": ") + IceUtilInternal::lastErrorToString();
                                 }
                                 BZ2_bzWriteClose(&bzError, bzFile, 0, 0, 0);
                                 fclose(stdioFile);
@@ -1201,7 +1164,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
                             string ex = "BZ2_bzWriteClose failed";
                             if(bzError == BZ_IO_ERROR)
                             {
-                                ex += string(": ") + lastError();
+                                ex += string(": ") + IceUtilInternal::lastErrorToString();
                             }
                             fclose(stdioFile);
                             throw ex;
@@ -1213,7 +1176,7 @@ getFileInfoSeqInt(const string& basePath, const string& relPath, int compress, G
 
                         if(OS::osstat(pathBZ2, &bufBZ2) == -1)
                         {
-                            throw "cannot stat `" + pathBZ2 + "':\n" + lastError();
+                            throw "cannot stat `" + pathBZ2 + "':\n" + IceUtilInternal::lastErrorToString();
                         }
 
                         info.size = static_cast<Int>(bufBZ2.st_size);
@@ -1267,7 +1230,7 @@ IcePatch2::saveFileInfoSeq(const string& pa, const FileInfoSeq& infoSeq)
         FILE* fp = OS::fopen(path, "w");
         if(!fp)
         {
-            throw "cannot open `" + path + "' for writing:\n" + lastError();
+            throw "cannot open `" + path + "' for writing:\n" + IceUtilInternal::lastErrorToString();
         }
         try
         {
@@ -1275,7 +1238,7 @@ IcePatch2::saveFileInfoSeq(const string& pa, const FileInfoSeq& infoSeq)
             {
                 if(!writeFileInfo(fp, *p))
                 {
-                    throw "error writing `" + path + "':\n" + lastError();
+                    throw "error writing `" + path + "':\n" + IceUtilInternal::lastErrorToString();
                 }
             }
         }
@@ -1309,7 +1272,7 @@ IcePatch2::loadFileInfoSeq(const string& pa, FileInfoSeq& infoSeq)
         FILE* fp = OS::fopen(path, "r");
         if(!fp)
         {
-            throw "cannot open `" + path + "' for reading:\n" + lastError();
+            throw "cannot open `" + path + "' for reading:\n" + IceUtilInternal::lastErrorToString();
         }
 
         while(true)
diff --git a/cpp/src/IceUtil/Exception.cpp b/cpp/src/IceUtil/Exception.cpp
index e893cb08397..cc8e8e0c4aa 100644
--- a/cpp/src/IceUtil/Exception.cpp
+++ b/cpp/src/IceUtil/Exception.cpp
@@ -9,6 +9,7 @@
 
 #include <IceUtil/Exception.h>
 #include <IceUtil/StaticMutex.h>
+#include <IceUtil/StringUtil.h>
 #include <ostream>
 #include <cstdlib>
 
@@ -148,7 +149,7 @@ IceUtil::IllegalArgumentException::IllegalArgumentException(const char* file, in
 
 IceUtil::IllegalArgumentException::IllegalArgumentException(const char* file, int line, const string& r) :
     Exception(file, line),
-    reason(r)
+    _reason(r)
 {
 }
 
@@ -164,6 +165,13 @@ IceUtil::IllegalArgumentException::ice_name() const
     return _name;
 }
 
+void
+IceUtil::IllegalArgumentException::ice_print(ostream& out) const
+{
+    Exception::ice_print(out);
+    out << ": " << _reason;
+}
+
 IceUtil::Exception*
 IceUtil::IllegalArgumentException::ice_clone() const
 {
@@ -176,10 +184,51 @@ IceUtil::IllegalArgumentException::ice_throw() const
     throw *this;
 }
 
-ostream&
-IceUtil::operator<<(ostream& out, const IceUtil::IllegalArgumentException& ex)
+string
+IceUtil::IllegalArgumentException::reason() const
 {
-    ex.ice_print(out);
-    out << ": " << ex.reason;
-    return out;
+    return _reason;
+}
+
+IceUtil::SyscallException::SyscallException(const char* file, int line, int err ): 
+    Exception(file, line),
+    _error(err)
+{
+}
+    
+const char* IceUtil::SyscallException::_name = "IceUtil::SyscallException";
+
+string
+IceUtil::SyscallException::ice_name() const
+{
+    return _name;
+}
+
+void
+IceUtil::SyscallException::ice_print(ostream& os) const
+{
+    Exception::ice_print(os);
+    if(_error != 0)
+    {
+        os << ":\nsyscall exception: " << IceUtilInternal::errorToString(_error);
+    }
 }
+
+IceUtil::Exception*
+IceUtil::SyscallException::ice_clone() const
+{
+    return new SyscallException(*this);
+}
+
+void
+IceUtil::SyscallException::ice_throw() const
+{
+    throw *this;
+}
+
+int
+IceUtil::SyscallException::error() const
+{
+    return _error;
+}
+
diff --git a/cpp/src/IceUtil/Random.cpp b/cpp/src/IceUtil/Random.cpp
index d884dbb9a35..1712bb4394f 100644
--- a/cpp/src/IceUtil/Random.cpp
+++ b/cpp/src/IceUtil/Random.cpp
@@ -20,14 +20,6 @@
 using namespace std;
 using namespace IceUtil;
 
-IceUtilInternal::RandomGeneratorException::RandomGeneratorException(const char* file, int line, int error) :
-    Exception(file, line),
-    _error(error)
-{
-}
-
-const char* IceUtilInternal::RandomGeneratorException::_name = "IceUtilInternal::RandomGeneratorException";
-
 //
 // The static mutex is required to lazy initialize the file
 // descriptor for /dev/urandom (Unix) or the cryptographic 
@@ -78,60 +70,6 @@ public:
 static RandomCleanup uuidCleanup;
 }
 
-string
-IceUtilInternal::RandomGeneratorException::ice_name() const
-{
-    return _name;
-}
-
-void
-IceUtilInternal::RandomGeneratorException::ice_print(ostream& os) const
-{
-    Exception::ice_print(os);
-    if(_error != 0)
-    {
-        os << ":\nrandom generator exception: ";
-#ifdef _WIN32
-        LPVOID lpMsgBuf = 0;
-        DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                                 FORMAT_MESSAGE_FROM_SYSTEM |
-                                 FORMAT_MESSAGE_IGNORE_INSERTS,
-                                 NULL,
-                                 _error,
-                                 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                                 (LPTSTR)&lpMsgBuf,
-                                 0,
-                                 NULL);
-        
-        if(ok)
-        {
-            LPCTSTR msg = (LPCTSTR)lpMsgBuf;
-            assert(msg && strlen((char*)msg) > 0);
-            os << msg;
-            LocalFree(lpMsgBuf);
-        }
-        else
-        {
-            os << "unknown random generator error";
-        }
-#else
-        os << strerror(_error);
-#endif
-    }
-}
-
-Exception*
-IceUtilInternal::RandomGeneratorException::ice_clone() const
-{
-    return new RandomGeneratorException(*this);
-}
-
-void
-IceUtilInternal::RandomGeneratorException::ice_throw() const
-{
-    throw *this;
-}
-
 void
 IceUtilInternal::generateRandom(char* buffer, int size)
 {
@@ -148,13 +86,13 @@ IceUtilInternal::generateRandom(char* buffer, int size)
     {
         if(!CryptAcquireContext(&context, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
         {
-            throw RandomGeneratorException(__FILE__, __LINE__, GetLastError());
+            throw SyscallException(__FILE__, __LINE__, GetLastError());
         }
     }
 
     if(!CryptGenRandom(context, size, reinterpret_cast<unsigned char*>(buffer)))
     {
-        throw RandomGeneratorException(__FILE__, __LINE__, GetLastError());
+        throw SyscallException(__FILE__, __LINE__, GetLastError());
     }
 #else
 
@@ -168,7 +106,7 @@ IceUtilInternal::generateRandom(char* buffer, int size)
         if(fd == -1)
         {
             assert(0);
-            throw RandomGeneratorException(__FILE__, __LINE__);
+            throw SyscallException(__FILE__, __LINE__, errno);
         }
     }
     
@@ -184,10 +122,10 @@ IceUtilInternal::generateRandom(char* buffer, int size)
         
         if(bytesRead == -1 && errno != EINTR)
         {
-            int err = errno;
-            cerr << "Reading /dev/urandom returned " << strerror(err) << endl;
+            SyscallException ex(__FILE__, __LINE__, errno);
+            cerr << "Reading /dev/urandom failed:\n" << ex << endl;
             assert(0);
-            throw RandomGeneratorException(__FILE__, __LINE__, errno);
+            throw ex;
         }
         else
         {
@@ -199,7 +137,7 @@ IceUtilInternal::generateRandom(char* buffer, int size)
     if(index != static_cast<size_t>(size))
     {
         assert(0);
-        throw RandomGeneratorException(__FILE__, __LINE__);
+        throw SyscallException(__FILE__, __LINE__, 0);
     }
 #endif
 }
diff --git a/cpp/src/IceUtil/StringUtil.cpp b/cpp/src/IceUtil/StringUtil.cpp
index 8a96f795358..3f0806dfb0f 100644
--- a/cpp/src/IceUtil/StringUtil.cpp
+++ b/cpp/src/IceUtil/StringUtil.cpp
@@ -446,3 +446,227 @@ IceUtilInternal::match(const string& s, const string& pat, bool emptyMatch)
 
     return true;
 }
+
+#ifdef _WIN32
+
+string
+IceUtilInternal::errorToString(int error, LPCVOID source)
+{
+    if(error < WSABASEERR)
+    {
+        LPVOID lpMsgBuf = 0;
+        DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                                 FORMAT_MESSAGE_FROM_SYSTEM |
+                                 FORMAT_MESSAGE_IGNORE_INSERTS | 
+                                 (source != NULL ? FORMAT_MESSAGE_FROM_HMODULE : 0),
+                                 source,
+                                 error,
+                                 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+                                 (LPTSTR)&lpMsgBuf,
+                                 0,
+                                 NULL);
+        if(ok)
+        {
+            LPCTSTR msg = (LPCTSTR)lpMsgBuf;
+            assert(msg && strlen((const char*)msg) > 0);
+            string result = (const char*)msg;
+            if(result[result.length() - 1] == '\n')
+            {
+                result = result.substr(0, result.length() - 2);
+            }
+            LocalFree(lpMsgBuf);
+            return result;
+        }
+        else
+        {
+            ostringstream os;
+            os << "unknown error: " << error;
+            return os.str();
+        }
+    }
+
+    switch(error)
+    {
+    case WSAEINTR:
+        return "WSAEINTR";
+        
+    case WSAEBADF:
+        return "WSAEBADF";
+        
+    case WSAEACCES:
+        return "WSAEACCES";
+        
+    case WSAEFAULT:
+        return "WSAEFAULT";
+        
+    case WSAEINVAL:
+        return "WSAEINVAL";
+        
+    case WSAEMFILE:
+        return "WSAEMFILE";
+        
+    case WSAEWOULDBLOCK:
+        return "WSAEWOULDBLOCK";
+        
+    case WSAEINPROGRESS:
+        return "WSAEINPROGRESS";
+        
+    case WSAEALREADY:
+        return "WSAEALREADY";
+        
+    case WSAENOTSOCK:
+        return "WSAENOTSOCK";
+        
+    case WSAEDESTADDRREQ:
+        return "WSAEDESTADDRREQ";
+        
+    case WSAEMSGSIZE:
+        return "WSAEMSGSIZE";
+        
+    case WSAEPROTOTYPE:
+        return "WSAEPROTOTYPE";
+        
+    case WSAENOPROTOOPT:
+        return "WSAENOPROTOOPT";
+        
+    case WSAEPROTONOSUPPORT:
+        return "WSAEPROTONOSUPPORT";
+        
+    case WSAESOCKTNOSUPPORT:
+        return "WSAESOCKTNOSUPPORT";
+        
+    case WSAEOPNOTSUPP:
+        return "WSAEOPNOTSUPP";
+        
+    case WSAEPFNOSUPPORT:
+        return "WSAEPFNOSUPPORT";
+        
+    case WSAEAFNOSUPPORT:
+        return "WSAEAFNOSUPPORT";
+        
+    case WSAEADDRINUSE:
+        return "WSAEADDRINUSE";
+        
+    case WSAEADDRNOTAVAIL:
+        return "WSAEADDRNOTAVAIL";
+        
+    case WSAENETDOWN:
+        return "WSAENETDOWN";
+        
+    case WSAENETUNREACH:
+        return "WSAENETUNREACH";
+        
+    case WSAENETRESET:
+        return "WSAENETRESET";
+        
+    case WSAECONNABORTED:
+        return "WSAECONNABORTED";
+        
+    case WSAECONNRESET:
+        return "WSAECONNRESET";
+        
+    case WSAENOBUFS:
+        return "WSAENOBUFS";
+        
+    case WSAEISCONN:
+        return "WSAEISCONN";
+        
+    case WSAENOTCONN:
+        return "WSAENOTCONN";
+        
+    case WSAESHUTDOWN:
+        return "WSAESHUTDOWN";
+        
+    case WSAETOOMANYREFS:
+        return "WSAETOOMANYREFS";
+        
+    case WSAETIMEDOUT:
+        return "WSAETIMEDOUT";
+        
+    case WSAECONNREFUSED:
+        return "WSAECONNREFUSED";
+        
+    case WSAELOOP:
+        return "WSAELOOP";
+        
+    case WSAENAMETOOLONG:
+        return "WSAENAMETOOLONG";
+        
+    case WSAEHOSTDOWN:
+        return "WSAEHOSTDOWN";
+        
+    case WSAEHOSTUNREACH:
+        return "WSAEHOSTUNREACH";
+        
+    case WSAENOTEMPTY:
+        return "WSAENOTEMPTY";
+        
+    case WSAEPROCLIM:
+        return "WSAEPROCLIM";
+        
+    case WSAEUSERS:
+        return "WSAEUSERS";
+        
+    case WSAEDQUOT:
+        return "WSAEDQUOT";
+        
+    case WSAESTALE:
+        return "WSAESTALE";
+        
+    case WSAEREMOTE:
+        return "WSAEREMOTE";
+        
+    case WSAEDISCON:
+        return "WSAEDISCON";
+        
+    case WSASYSNOTREADY:
+        return "WSASYSNOTREADY";
+        
+    case WSAVERNOTSUPPORTED:
+        return "WSAVERNOTSUPPORTED";
+        
+    case WSANOTINITIALISED:
+        return "WSANOTINITIALISED";
+        
+    case WSAHOST_NOT_FOUND:
+        return "WSAHOST_NOT_FOUND";
+        
+    case WSATRY_AGAIN:
+        return "WSATRY_AGAIN";
+        
+    case WSANO_RECOVERY:
+        return "WSANO_RECOVERY";
+        
+    case WSANO_DATA:
+        return "WSANO_DATA";
+
+    default:
+    {
+        ostringstream os;
+        os << "unknown socket error: " << error;
+        return os.str();
+    }
+    }
+}
+
+string
+IceUtilInternal::lastErrorToString()
+{
+    return errorToString(GetLastError());
+}
+
+#else
+
+string
+IceUtilInternal::errorToString(int error)
+{
+    return strerror(error);
+}
+
+string
+IceUtilInternal::lastErrorToString()
+{
+    return errorToString(errno);
+}
+
+#endif
diff --git a/cpp/src/IceUtil/ThreadException.cpp b/cpp/src/IceUtil/ThreadException.cpp
index 7a17a98185e..c24eae6754c 100644
--- a/cpp/src/IceUtil/ThreadException.cpp
+++ b/cpp/src/IceUtil/ThreadException.cpp
@@ -12,8 +12,7 @@
 using namespace std;
 
 IceUtil::ThreadSyscallException::ThreadSyscallException(const char* file, int line, int err ): 
-    Exception(file, line),
-    _error(err)
+    SyscallException(file, line, err)
 {
 }
     
@@ -25,42 +24,6 @@ IceUtil::ThreadSyscallException::ice_name() const
     return _name;
 }
 
-void
-IceUtil::ThreadSyscallException::ice_print(ostream& os) const
-{
-    Exception::ice_print(os);
-    if(_error != 0)
-    {
-        os << ":\nthread syscall exception: ";
-#ifdef _WIN32
-        LPVOID lpMsgBuf = 0;
-        DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                                 FORMAT_MESSAGE_FROM_SYSTEM |
-                                 FORMAT_MESSAGE_IGNORE_INSERTS,
-                                 NULL,
-                                 _error,
-                                 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                                 (LPTSTR)&lpMsgBuf,
-                                 0,
-                                 NULL);
-        
-        if(ok)
-        {
-            LPCTSTR msg = (LPCTSTR)lpMsgBuf;
-            assert(msg && strlen((char*)msg) > 0);
-            os << msg;
-            LocalFree(lpMsgBuf);
-        }
-        else
-        {
-            os << "unknown thread error";
-        }
-#else
-        os << strerror(_error);
-#endif
-    }
-}
-
 IceUtil::Exception*
 IceUtil::ThreadSyscallException::ice_clone() const
 {
@@ -73,13 +36,6 @@ IceUtil::ThreadSyscallException::ice_throw() const
     throw *this;
 }
 
-int
-IceUtil::ThreadSyscallException::error() const
-{
-    return _error;
-}
-
-
 IceUtil::ThreadLockedException::ThreadLockedException(const char* file, int line) :
     Exception(file, line)
 {
diff --git a/cpp/src/IceUtil/Time.cpp b/cpp/src/IceUtil/Time.cpp
index d562d7a72b4..0c747fb7104 100644
--- a/cpp/src/IceUtil/Time.cpp
+++ b/cpp/src/IceUtil/Time.cpp
@@ -8,6 +8,7 @@
 // **********************************************************************
 
 #include <IceUtil/DisableWarnings.h>
+#include <IceUtil/Exception.h>
 #include <IceUtil/Time.h>
 #include <iomanip>
 
@@ -20,15 +21,48 @@
 
 using namespace IceUtil;
 
+#ifdef _WIN32
+
+namespace
+{
+
+static double frequency = -1.0;
+
+//
+// Initialize the frequency
+//
+class InitializeFrequency
+{
+public:
+
+    InitializeFrequency()
+    {
+        //
+        // Get the frequency of performance counters. We also make a call to
+        // QueryPerformanceCounter to ensure it works. If it fails or if the
+        // call to QueryPerformanceFrequency fails, the frequency will remain
+        // set to -1.0 and ftime will be used instead.
+        //
+        Int64 v;
+        if(QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&v)))
+        {
+            if(QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(&v)))
+            {
+                frequency = static_cast<double>(v);
+            }
+        }
+    }
+};
+static InitializeFrequency frequencyInitializer;
+
+};
+#endif
+
 Time::Time() :
     _usec(0)
 {
 }
 
-#ifdef _WIN32
-Int64 IceUtil::Time::_frequency = -1;
-#endif
-
 Time
 IceUtil::Time::now(Clock clock)
 {
@@ -42,38 +76,59 @@ IceUtil::Time::now(Clock clock)
         struct timeb tb;
         ftime(&tb);
 #  endif
-        return Time(static_cast<Int64>(tb.time) * ICE_INT64(1000000) + 
-                    tb.millitm * 1000);
+        return Time(static_cast<Int64>(tb.time) * ICE_INT64(1000000) + tb.millitm * 1000);
 #else
         struct timeval tv;
-        gettimeofday(&tv, 0);
+        if(gettimeofday(&tv, 0) < 0)
+        {
+            assert(0);
+            throw SyscallException(__FILE__, __LINE__, errno);
+        }
         return Time(tv.tv_sec * ICE_INT64(1000000) + tv.tv_usec);
 #endif
     }
     else // Monotonic
     {
 #if defined(_WIN32)
-        if(_frequency == -1)
+        if(frequency > 0.0)
+        {
+            Int64 count;
+            if(!QueryPerformanceCounter(reinterpret_cast<LARGE_INTEGER*>(&count)))
+            {
+                assert(0);
+                throw SyscallException(__FILE__, __LINE__, GetLastError());
+            }
+            return Time(static_cast<Int64>(count / frequency * 1000000.0));
+        }
+        else
         {
-            //
-            // Frequency cannot change while machine is running so it
-            // only needs to be retrieved once.
-            //
-            QueryPerformanceFrequency((LARGE_INTEGER*)&_frequency);
+#  if defined(_MSC_VER)
+            struct _timeb tb;
+            _ftime(&tb);
+#  elif defined(__BCPLUSPLUS__)
+            struct timeb tb;
+            ftime(&tb);
+#  endif
+            return Time(static_cast<Int64>(tb.time) * ICE_INT64(1000000) + tb.millitm * 1000);
         }
-        Int64 count;
-        QueryPerformanceCounter((LARGE_INTEGER*)&count);
-        return Time((Int64)(1000000.0 / _frequency * count));
 #elif defined(__hpux) || defined(__APPLE__)
         //
         // HP/MacOS does not support CLOCK_MONOTONIC
         //
         struct timeval tv;
-        gettimeofday(&tv, 0);
+        if(gettimeofday(&tv, 0) < 0)
+        {
+            assert(0);
+            throw SyscallException(__FILE__, __LINE__, errno);
+        }
         return Time(tv.tv_sec * ICE_INT64(1000000) + tv.tv_usec);
 #else
         struct timespec ts;
-        clock_gettime(CLOCK_MONOTONIC, &ts);
+        if(clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
+        {
+            assert(0);
+            throw SyscallException(__FILE__, __LINE__, errno);
+        }
         return Time(ts.tv_sec * ICE_INT64(1000000) + ts.tv_nsec / ICE_INT64(1000));
 #endif
     }
diff --git a/cpp/src/iceserviceinstall/ServiceInstaller.cpp b/cpp/src/iceserviceinstall/ServiceInstaller.cpp
index 8ed93fc16a2..43c73eaeafc 100755
--- a/cpp/src/iceserviceinstall/ServiceInstaller.cpp
+++ b/cpp/src/iceserviceinstall/ServiceInstaller.cpp
@@ -14,6 +14,7 @@
 #endif
 
 #include <ServiceInstaller.h>
+#include <IceUtil/StringUtil.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 
@@ -130,7 +131,7 @@ IceServiceInstaller::install(const PropertiesPtr& properties)
         DWORD size = GetModuleFileName(0, buffer, MAX_PATH);
         if(size == 0)
         {
-            throw "Can't get full path to self: " + formatMessage(GetLastError());
+            throw "Can't get full path to self: " + IceUtilInternal::errorToString(GetLastError());
         }
         imagePath = string(buffer, size);
         imagePath.replace(imagePath.rfind('\\'), string::npos, "\\"
@@ -214,7 +215,7 @@ IceServiceInstaller::install(const PropertiesPtr& properties)
     if(scm == 0)
     {
         DWORD res = GetLastError();
-        throw "Cannot open SCM: " + formatMessage(res);
+        throw "Cannot open SCM: " + IceUtilInternal::errorToString(res);
     }
 
     string deps = dependency;
@@ -272,7 +273,7 @@ IceServiceInstaller::install(const PropertiesPtr& properties)
     {
         DWORD res = GetLastError();
         CloseServiceHandle(scm);
-        throw "Cannot create service" + _serviceName + ": " + formatMessage(res);
+        throw "Cannot create service" + _serviceName + ": " + IceUtilInternal::errorToString(res);
     }
 
     //
@@ -286,8 +287,7 @@ IceServiceInstaller::install(const PropertiesPtr& properties)
         DWORD res = GetLastError();
         CloseServiceHandle(scm);
         CloseServiceHandle(service);
-        throw "Cannot set description for service" + _serviceName + ": "
-            + formatMessage(res);
+        throw "Cannot set description for service" + _serviceName + ": " + IceUtilInternal::errorToString(res);
     }
 
     CloseServiceHandle(scm);
@@ -301,7 +301,7 @@ IceServiceInstaller::uninstall()
     if(scm == 0)
     {
         DWORD res = GetLastError();
-        throw "Cannot open SCM: " + formatMessage(res);
+        throw "Cannot open SCM: " + IceUtilInternal::errorToString(res);
     }
 
     SC_HANDLE service = OpenService(scm, _serviceName.c_str(), SERVICE_ALL_ACCESS);
@@ -309,7 +309,7 @@ IceServiceInstaller::uninstall()
     {
         DWORD res = GetLastError();
         CloseServiceHandle(scm);
-        throw "Cannot open service '" + _serviceName + "': " + formatMessage(res);
+        throw "Cannot open service '" + _serviceName + "': " + IceUtilInternal::errorToString(res);
     }
 
     //
@@ -323,7 +323,7 @@ IceServiceInstaller::uninstall()
         {
             CloseServiceHandle(scm);
             CloseServiceHandle(service);
-            throw "Cannot stop service '" + _serviceName + "': " + formatMessage(res);
+            throw "Cannot stop service '" + _serviceName + "': " + IceUtilInternal::errorToString(res);
         }
     }
 
@@ -332,7 +332,7 @@ IceServiceInstaller::uninstall()
         DWORD res = GetLastError();
         CloseServiceHandle(scm);
         CloseServiceHandle(service);
-        throw "Cannot delete service '" + _serviceName + "': " + formatMessage(res);
+        throw "Cannot delete service '" + _serviceName + "': " + IceUtilInternal::errorToString(res);
     }
 
     CloseServiceHandle(scm);
@@ -418,8 +418,7 @@ IceServiceInstaller::initializeSid(const string& name)
                 _sid = 0;
                 free(domainName);
 
-                throw "Could not retrieve Security ID for " + name + ": "
-                    + formatMessage(res);
+                throw "Could not retrieve Security ID for " + name + ": " + IceUtilInternal::errorToString(res);
             }
         }
         free(domainName);
@@ -452,8 +451,7 @@ IceServiceInstaller::initializeSid(const string& name)
                             &domainLen, &nameUse) == false)
         {
             DWORD res = GetLastError();
-            throw "Could not retrieve full account name for " + name + ": "
-                + formatMessage(res);
+            throw "Could not retrieve full account name for " + name + ": " + IceUtilInternal::errorToString(res);
         }
 
         _sidName = string(domainName) + "\\" + accountName;
@@ -515,8 +513,7 @@ IceServiceInstaller::grantPermissions(const string& path, SE_OBJECT_TYPE type, b
                                      0, 0, &acl, 0, &sd);
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not retrieve securify info for " + path + ": "
-            + formatMessage(res);
+        throw "Could not retrieve securify info for " + path + ": " + IceUtilInternal::errorToString(res);
     }
 
     try
@@ -532,8 +529,7 @@ IceServiceInstaller::grantPermissions(const string& path, SE_OBJECT_TYPE type, b
 
         if(res != ERROR_SUCCESS)
         {
-            throw "Could not retrieve effective rights for " + _sidName
-                + " on " + path + ": " + formatMessage(res);
+            throw "Could not retrieve effective rights for " + _sidName + " on " + path + ": " + IceUtilInternal::errorToString(res);
         }
 
         bool done = false;
@@ -593,7 +589,7 @@ IceServiceInstaller::grantPermissions(const string& path, SE_OBJECT_TYPE type, b
             res = SetEntriesInAcl(1, &ea, acl, &newAcl);
             if(res != ERROR_SUCCESS)
             {
-                throw "Could not modify ACL for " + path + ": " + formatMessage(res);
+                throw "Could not modify ACL for " + path + ": " + IceUtilInternal::errorToString(res);
             }
 
             res = SetNamedSecurityInfo(const_cast<char*>(path.c_str()), type,
@@ -601,8 +597,7 @@ IceServiceInstaller::grantPermissions(const string& path, SE_OBJECT_TYPE type, b
                                        0, 0, newAcl, 0);
             if(res != ERROR_SUCCESS)
             {
-                throw "Could not grant access to " + _sidName
-                    + " on " + path + ": " + formatMessage(res);
+                throw "Could not grant access to " + _sidName + " on " + path + ": " + IceUtilInternal::errorToString(res);
             }
 
             if(_debug)
@@ -642,7 +637,7 @@ IceServiceInstaller::mkdir(const string& path) const
         }
         else
         {
-            throw "Could not create directory " + path + ": " + formatMessage(res);
+            throw "Could not create directory " + path + ": " + IceUtilInternal::errorToString(res);
         }
     }
     else
@@ -652,34 +647,6 @@ IceServiceInstaller::mkdir(const string& path) const
     }
 }
 
-string
-IceServiceInstaller::formatMessage(DWORD err) const
-{
-    ostringstream os;
-    char* msgBuf = 0;
-    DWORD ok = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
-                             FORMAT_MESSAGE_FROM_SYSTEM |
-                             FORMAT_MESSAGE_IGNORE_INSERTS,
-                             0,
-                             err,
-                             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
-                             reinterpret_cast<char*>(&msgBuf),
-                             0,
-                             0);
-
-    if(ok)
-    {
-        os << msgBuf;
-        LocalFree(msgBuf);
-    }
-    else
-    {
-        os << "unknown error";
-    }
-
-    return os.str();
-}
-
 void
 IceServiceInstaller::addLog(const string& log) const
 {
@@ -695,13 +662,13 @@ IceServiceInstaller::addLog(const string& log) const
 
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not create new Event Log '" + log + "': " + formatMessage(res);
+        throw "Could not create new Event Log '" + log + "': " + IceUtilInternal::errorToString(res);
     }
 
     res = RegCloseKey(key);
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not close registry key handle: " + formatMessage(res);
+        throw "Could not close registry key handle: " + IceUtilInternal::errorToString(res);
     }
 }
 
@@ -715,7 +682,7 @@ IceServiceInstaller::removeLog(const string& log) const
     //
     if(res != ERROR_SUCCESS && res != ERROR_ACCESS_DENIED)
     {
-        throw "Could not remove registry key '" + createLog(log) + "': " + formatMessage(res);
+        throw "Could not remove registry key '" + createLog(log) + "': " + IceUtilInternal::errorToString(res);
     }
 }
 
@@ -729,7 +696,7 @@ IceServiceInstaller::addSource(const string& source, const string& log, const st
                               &key, &disposition);
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not create Event Log source in registry: " + formatMessage(res);
+        throw "Could not create Event Log source in registry: " + IceUtilInternal::errorToString(res);
     }
 
     //
@@ -756,13 +723,13 @@ IceServiceInstaller::addSource(const string& source, const string& log, const st
     if(res != ERROR_SUCCESS)
     {
         RegCloseKey(key);
-        throw "Could not set registry key: " + formatMessage(res);
+        throw "Could not set registry key: " + IceUtilInternal::errorToString(res);
     }
 
     res = RegCloseKey(key);
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not close registry key handle: " + formatMessage(res);
+        throw "Could not close registry key handle: " + IceUtilInternal::errorToString(res);
     }
 }
 
@@ -780,7 +747,7 @@ IceServiceInstaller::removeSource(const string& source) const
 
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not open EventLog key: " + formatMessage(res);
+        throw "Could not open EventLog key: " + IceUtilInternal::errorToString(res);
     }
 
     DWORD index = 0;
@@ -802,7 +769,7 @@ IceServiceInstaller::removeSource(const string& source) const
                 res = RegCloseKey(key);
                 if(res != ERROR_SUCCESS)
                 {
-                    throw "Could not close registry key handle: " + formatMessage(res);
+                    throw "Could not close registry key handle: " + IceUtilInternal::errorToString(res);
                 }
                 return subkey;
             }
@@ -820,13 +787,13 @@ IceServiceInstaller::removeSource(const string& source) const
     else
     {
         RegCloseKey(key);
-        throw "Error while searching EventLog with source '" + source + "': " + formatMessage(res);
+        throw "Error while searching EventLog with source '" + source + "': " + IceUtilInternal::errorToString(res);
     }
 
     res = RegCloseKey(key);
     if(res != ERROR_SUCCESS)
     {
-        throw "Could not close registry key handle: " + formatMessage(res);
+        throw "Could not close registry key handle: " + IceUtilInternal::errorToString(res);
     }
 }
 
diff --git a/cpp/src/iceserviceinstall/ServiceInstaller.h b/cpp/src/iceserviceinstall/ServiceInstaller.h
index 88c3edea2d7..94b1aeaf7fa 100755
--- a/cpp/src/iceserviceinstall/ServiceInstaller.h
+++ b/cpp/src/iceserviceinstall/ServiceInstaller.h
@@ -57,7 +57,6 @@ private:
     void grantPermissions(const std::string& path, SE_OBJECT_TYPE type = SE_FILE_OBJECT,
                      bool inherit = false, bool fullControl = false) const;
     bool mkdir(const std::string&) const;
-    std::string formatMessage(DWORD) const;
 
     void addLog(const std::string&) const;
     void removeLog(const std::string&) const;
diff --git a/cpp/src/slice2html/Main.cpp b/cpp/src/slice2html/Main.cpp
index 6ca031ae35b..3cb0ff90778 100644
--- a/cpp/src/slice2html/Main.cpp
+++ b/cpp/src/slice2html/Main.cpp
@@ -125,7 +125,7 @@ main(int argc, char* argv[])
     string indexFooter = opts.optArg("indexftr");
 
     string ind = opts.optArg("index");
-    unsigned indexCount;
+    unsigned indexCount = 0;
     if(!ind.empty())
     {
         istringstream s(ind);
@@ -145,7 +145,7 @@ main(int argc, char* argv[])
     string searchAction = opts.optArg("search");
 
     string warnSummary = opts.optArg("summary");
-    unsigned summaryCount;
+    unsigned summaryCount = 0;
     if(!warnSummary.empty())
     {
         istringstream s(warnSummary);