diff --git a/examples/hello/bpWriter/helloBPWriter_nompi.cpp b/examples/hello/bpWriter/helloBPWriter_nompi.cpp
index edb09e086fd8a8d9b20c8b3a04ea51070e5135d8..203db91ca951568987bffd85d9715233a594ab27 100644
--- a/examples/hello/bpWriter/helloBPWriter_nompi.cpp
+++ b/examples/hello/bpWriter/helloBPWriter_nompi.cpp
@@ -13,7 +13,7 @@
 
 #include "ADIOS_CPP.h"
 
-int main(int argc, char *argv[])
+int main(int /*argc*/, char ** /*argv*/)
 {
   const bool adiosDebug = true;
   adios::ADIOS adios(adios::Verbose::WARN, adiosDebug);
@@ -55,7 +55,9 @@ int main(int argc, char *argv[])
                                    adios::IOMode::COLLECTIVE);
 
     if (bpFileWriter == nullptr)
+    {
       throw std::ios_base::failure("ERROR: couldn't create bpWriter at Open\n");
+    }
 
     bpFileWriter->Write<double>(
         ioMyDoubles, myDoubles.data()); // Base class Engine own the Write<T>
diff --git a/source/engine/bp/BPFileWriter.cpp b/source/engine/bp/BPFileWriter.cpp
index 2785781f002d0b499a7bbc328173080f435fb2ff..14f0d149bb0c0e80c266337208bff5c00c99d973 100644
--- a/source/engine/bp/BPFileWriter.cpp
+++ b/source/engine/bp/BPFileWriter.cpp
@@ -21,8 +21,8 @@ namespace adios
 
 BPFileWriter::BPFileWriter(ADIOS &adios, const std::string name,
                            const std::string accessMode, MPI_Comm mpiComm,
-                           const Method &method, const IOMode iomode,
-                           const float timeout_sec, const bool debugMode,
+                           const Method &method, const IOMode /*iomode*/,
+                           const float /*timeout_sec*/, const bool debugMode,
                            const unsigned int nthreads)
 : Engine(adios, "BPFileWriter", name, accessMode, mpiComm, method, debugMode,
          nthreads, " BPFileWriter constructor (or call to ADIOS Open).\n"),
@@ -34,7 +34,7 @@ BPFileWriter::BPFileWriter(ADIOS &adios, const std::string name,
   Init();
 }
 
-BPFileWriter::~BPFileWriter() {}
+BPFileWriter::~BPFileWriter() = default;
 
 void BPFileWriter::Init()
 {
@@ -133,7 +133,10 @@ void BPFileWriter::Write(Variable<std::complex<long double>> &variable,
   WriteVariableCommon(variable, values);
 }
 
-void BPFileWriter::Write(VariableCompound &variable, const void *values) {}
+void BPFileWriter::Write(VariableCompound & /*variable*/,
+                         const void * /*values*/)
+{
+}
 
 // String version
 void BPFileWriter::Write(const std::string variableName, const char *values)
@@ -232,12 +235,12 @@ void BPFileWriter::Write(const std::string variableName,
       m_ADIOS.GetVariable<std::complex<long double>>(variableName), values);
 }
 
-void BPFileWriter::Write(const std::string variableName,
-                         const void *values) // Compound type
+void BPFileWriter::Write(const std::string /*variableName*/,
+                         const void * /*values*/) // Compound type
 {
 }
 
-void BPFileWriter::Advance(float timeout_sec)
+void BPFileWriter::Advance(float /*timeout_sec*/)
 {
   m_BP1Writer.Advance(m_MetadataSet, m_Buffer);
 }
@@ -247,10 +250,11 @@ void BPFileWriter::Close(const int transportIndex)
   CheckTransportIndex(transportIndex);
   if (transportIndex == -1)
   {
-    for (auto &transport :
-         m_Transports) // by reference or value or it doesn't matter?
+    for (auto &transport : m_Transports)
+    { // by reference or value or it doesn't matter?
       m_BP1Writer.Close(m_MetadataSet, m_Buffer, *transport, m_IsFirstClose,
                         false); // false: not using aggregation for now
+    }
   }
   else
   {
@@ -292,9 +296,11 @@ void BPFileWriter::InitParameters()
     if (m_DebugMode == true)
     {
       if (growthFactor == 1.f)
+      {
         throw std::invalid_argument(
             "ERROR: buffer_growth argument can't be less of equal than 1, in " +
             m_EndMessage + "\n");
+      }
     }
 
     m_BP1Writer.m_GrowthFactor = growthFactor;
@@ -307,9 +313,11 @@ void BPFileWriter::InitParameters()
     if (m_DebugMode == true)
     {
       if (m_GrowthFactor <= 1.f)
+      {
         throw std::invalid_argument("ERROR: Method buffer_growth argument "
                                     "can't be less of equal than 1, in " +
                                     m_EndMessage + "\n");
+      }
     }
 
     m_MaxBufferSize = std::stoul(itMaxBufferSize->second) *
@@ -323,9 +331,11 @@ void BPFileWriter::InitParameters()
     if (m_DebugMode == true)
     {
       if (verbosity < 0 || verbosity > 5)
+      {
         throw std::invalid_argument("ERROR: Method verbose argument must be an "
                                     "integer in the range [0,5], in call to "
                                     "Open or Engine constructor\n");
+      }
     }
     m_BP1Writer.m_Verbosity = verbosity;
   }
@@ -336,25 +346,33 @@ void BPFileWriter::InitParameters()
     auto &profiler = m_MetadataSet.Log;
 
     if (itProfile->second == "mus" || itProfile->second == "microseconds")
+    {
       profiler.m_Timers.emplace_back("buffering", Support::Resolutions::mus);
-
+    }
     else if (itProfile->second == "ms" || itProfile->second == "milliseconds")
+    {
       profiler.m_Timers.emplace_back("buffering", Support::Resolutions::ms);
-
+    }
     else if (itProfile->second == "s" || itProfile->second == "seconds")
+    {
       profiler.m_Timers.emplace_back("buffering", Support::Resolutions::s);
-
+    }
     else if (itProfile->second == "min" || itProfile->second == "minutes")
+    {
       profiler.m_Timers.emplace_back("buffering", Support::Resolutions::m);
-
+    }
     else if (itProfile->second == "h" || itProfile->second == "hours")
+    {
       profiler.m_Timers.emplace_back("buffering", Support::Resolutions::h);
+    }
     else
     {
       if (m_DebugMode == true)
+      {
         throw std::invalid_argument("ERROR: Method profile_buffering_units "
                                     "argument must be mus, ms, s, min or h, in "
                                     "call to Open or Engine constructor\n");
+      }
     }
 
     profiler.m_IsActive = true;
@@ -383,26 +401,33 @@ void BPFileWriter::InitTransports()
     if (itProfile != parameters.end())
     {
       if (itProfile->second == "mus" || itProfile->second == "microseconds")
+      {
         resolution = Support::Resolutions::mus;
-
+      }
       else if (itProfile->second == "ms" || itProfile->second == "milliseconds")
+      {
         resolution = Support::Resolutions::ms;
-
+      }
       else if (itProfile->second == "s" || itProfile->second == "seconds")
+      {
         resolution = Support::Resolutions::s;
-
+      }
       else if (itProfile->second == "min" || itProfile->second == "minutes")
+      {
         resolution = Support::Resolutions::m;
-
+      }
       else if (itProfile->second == "h" || itProfile->second == "hours")
+      {
         resolution = Support::Resolutions::h;
-
+      }
       else
       {
         if (m_DebugMode == true)
+        {
           throw std::invalid_argument("ERROR: Transport profile_units argument "
                                       "must be mus, ms, s, min or h " +
                                       m_EndMessage);
+        }
       }
       doProfiling = true;
     }
@@ -418,7 +443,9 @@ void BPFileWriter::InitTransports()
         auto file =
             std::make_shared<transport::FileDescriptor>(m_MPIComm, m_DebugMode);
         if (doProfiling == true)
+        {
           file->InitProfiler(m_AccessMode, resolution);
+        }
 
         m_BP1Writer.OpenRankFiles(m_Name, m_AccessMode, *file);
         m_Transports.push_back(std::move(file));
@@ -428,7 +455,9 @@ void BPFileWriter::InitTransports()
         auto file =
             std::make_shared<transport::FilePointer>(m_MPIComm, m_DebugMode);
         if (doProfiling == true)
+        {
           file->InitProfiler(m_AccessMode, resolution);
+        }
 
         m_BP1Writer.OpenRankFiles(m_Name, m_AccessMode, *file);
         m_Transports.push_back(std::move(file));
@@ -440,7 +469,9 @@ void BPFileWriter::InitTransports()
             std::make_shared<transport::FStream>(m_MPIComm, m_DebugMode);
 
         if (doProfiling == true)
+        {
           file->InitProfiler(m_AccessMode, resolution);
+        }
 
         m_BP1Writer.OpenRankFiles(m_Name, m_AccessMode, *file);
         m_Transports.push_back(std::move(file));
@@ -451,17 +482,21 @@ void BPFileWriter::InitTransports()
       else
       {
         if (m_DebugMode == true)
+        {
           throw std::invalid_argument(
               "ERROR: file transport library " + itLibrary->second +
               " not supported, in " + m_Name + m_EndMessage);
+        }
       }
     }
     else
     {
       if (m_DebugMode == true)
+      {
         throw std::invalid_argument("ERROR: transport " + itTransport->second +
                                     " (you mean File?) not supported, in " +
                                     m_Name + m_EndMessage);
+      }
     }
   }
 }
@@ -469,7 +504,9 @@ void BPFileWriter::InitTransports()
 void BPFileWriter::InitProcessGroup()
 {
   if (m_MetadataSet.Log.m_IsActive == true)
+  {
     m_MetadataSet.Log.m_Timers[0].SetInitialTime();
+  }
 
   if (m_AccessMode == "a")
   {
@@ -480,7 +517,9 @@ void BPFileWriter::InitProcessGroup()
   WriteProcessGroupIndex();
 
   if (m_MetadataSet.Log.m_IsActive == true)
+  {
     m_MetadataSet.Log.m_Timers[0].SetTime();
+  }
 }
 
 void BPFileWriter::WriteProcessGroupIndex()
diff --git a/source/format/BP1.cpp b/source/format/BP1.cpp
index c81e7b6fe34fcbb63f5e7e62472051ea99cbd672..e9ec112c5753ab5e7905a016cf17815ad7daa1bc 100644
--- a/source/format/BP1.cpp
+++ b/source/format/BP1.cpp
@@ -21,10 +21,13 @@ std::string BP1::GetDirectoryName(const std::string name) const noexcept
   std::string directory;
 
   if (name.find(".bp") == name.size() - 3)
+  {
     directory = name;
+  }
   else
+  {
     directory = name + ".bp";
-
+  }
   return directory;
 }
 
@@ -48,15 +51,25 @@ std::vector<std::uint8_t> BP1::GetMethodIDs(
   auto lf_GetMethodID = [](const std::string method) -> std::uint8_t {
     int id = METHOD_UNKNOWN;
     if (method == "NULL")
+    {
       id = METHOD_NULL;
+    }
     else if (method == "POSIX")
+    {
       id = METHOD_POSIX;
+    }
     else if (method == "FStream")
+    {
       id = METHOD_FSTREAM;
+    }
     else if (method == "File")
+    {
       id = METHOD_FILE;
+    }
     else if (method == "MPI")
+    {
       id = METHOD_MPI;
+    }
 
     return id;
   };
@@ -65,7 +78,9 @@ std::vector<std::uint8_t> BP1::GetMethodIDs(
   methodIDs.reserve(transports.size());
 
   for (const auto &transport : transports)
+  {
     methodIDs.push_back(lf_GetMethodID(transport->m_Type));
+  }
 
   return methodIDs;
 }
diff --git a/source/format/BP1Aggregator.cpp b/source/format/BP1Aggregator.cpp
index c81a72bbffa7ebc2e25a4b3fb9e8873883264202..07ab430a25cd2d10642ba54f9b8d52facbf3c3cc 100644
--- a/source/format/BP1Aggregator.cpp
+++ b/source/format/BP1Aggregator.cpp
@@ -28,7 +28,7 @@ BP1Aggregator::BP1Aggregator(MPI_Comm mpiComm, const bool debugMode)
   MPI_Comm_size(m_MPIComm, &m_SizeMPI);
 }
 
-BP1Aggregator::~BP1Aggregator() {}
+BP1Aggregator::~BP1Aggregator() = default;
 
 void BP1Aggregator::WriteProfilingLog(const std::string fileName,
                                       const std::string &rankLog)
@@ -44,8 +44,10 @@ void BP1Aggregator::WriteProfilingLog(const std::string fileName,
 
     // first receive sizes
     for (unsigned int i = 1; i < sizeMPI; ++i)
+    {
       MPI_Irecv(&rankLogsSizes[i - 1], 1, MPI_INT, i, 0, m_MPIComm,
                 &requests[i]);
+    }
 
     for (unsigned int i = 1; i < sizeMPI; ++i)
     {
@@ -53,20 +55,26 @@ void BP1Aggregator::WriteProfilingLog(const std::string fileName,
       if (m_DebugMode == true)
       {
         if (rankLogsSizes[i - 1] == -1)
+        {
           throw std::runtime_error("ERROR: couldn't get size from rank " +
                                    std::to_string(i) +
                                    ", in ADIOS aggregator for Profiling.log\n");
+        }
       }
       rankLogs[i - 1].resize(rankLogsSizes[i - 1]); // allocate with zeros
     }
 
     // receive rankLog from other ranks
     for (unsigned int i = 1; i < sizeMPI; ++i)
+    {
       MPI_Irecv(rankLogs[i - 1].data(), rankLogsSizes[i - 1], MPI_CHAR, i, 1,
                 m_MPIComm, &requests[i]);
+    }
 
     for (unsigned int i = 1; i < sizeMPI; ++i)
+    {
       MPI_Wait(&requests[i], &statuses[i]);
+    }
 
     // write file
     std::string logFile("log = { \n");
diff --git a/source/format/BP1Writer.cpp b/source/format/BP1Writer.cpp
index b5aed5404ca9804d498b9f1220bc997f93643a14..cfe0288345c816933a28459560606db070a591e9 100644
--- a/source/format/BP1Writer.cpp
+++ b/source/format/BP1Writer.cpp
@@ -121,17 +121,23 @@ void BP1Writer::Close(BP1MetadataSet &metadataSet, capsule::STLVector &heap,
                       const bool doAggregation) const noexcept
 {
   if (metadataSet.Log.m_IsActive == true)
+  {
     metadataSet.Log.m_Timers[0].SetInitialTime();
+  }
 
   if (isFirstClose == true)
   {
     if (metadataSet.DataPGIsOpen == true)
+    {
       FlattenData(metadataSet, heap);
+    }
 
     FlattenMetadata(metadataSet, heap);
 
     if (metadataSet.Log.m_IsActive == true)
+    {
       metadataSet.Log.m_Timers[0].SetInitialTime();
+    }
 
     if (doAggregation == true) // N-to-M  where 1 <= M <= N-1, might need a new
                                // Log metadataSet.Log.m_Timers just for
@@ -177,7 +183,9 @@ std::string BP1Writer::GetRankProfilingLog(
     rankLog += "'lib': " + transports[t]->m_Type + ", ";
 
     for (unsigned int i = 0; i < 3; ++i)
+    {
       lf_WriterTimer(rankLog, timers[i]);
+    }
 
     rankLog += "}, ";
   }
@@ -391,7 +399,9 @@ void BP1Writer::FlattenMetadata(BP1MetadataSet &metadataSet,
   heap.m_DataAbsolutePosition += footerSize;
 
   if (metadataSet.Log.m_IsActive == true)
+  {
     metadataSet.Log.m_TotalBytes.push_back(heap.m_DataAbsolutePosition);
+  }
 }
 
 } // end namespace format
diff --git a/source/functions/adiosFunctions.cpp b/source/functions/adiosFunctions.cpp
index 0886e029ad14a4e6fc4dd8b04b296071175d3678..55d4c68f8bb8ecfbc5438df90907ba392e8fa1c1 100644
--- a/source/functions/adiosFunctions.cpp
+++ b/source/functions/adiosFunctions.cpp
@@ -37,10 +37,12 @@ void DumpFileToString(const std::string fileName, std::string &fileContent)
 {
   std::ifstream fileStream(fileName);
 
-  if (fileStream.good() == false) // check file
+  if (fileStream.good() == false)
+  { // check file
     throw std::ios_base::failure(
         "ERROR: file " + fileName +
         " could not be opened. Check permissions or file existence\n");
+  }
 
   std::ostringstream fileSS;
   fileSS << fileStream.rdbuf();
@@ -48,7 +50,9 @@ void DumpFileToString(const std::string fileName, std::string &fileContent)
   fileContent = fileSS.str(); // convert to string and check
 
   if (fileContent.empty())
+  {
     throw std::invalid_argument("ERROR: file " + fileName + " is empty\n");
+  }
 }
 
 void GetSubString(const std::string initialTag, const std::string finalTag,
@@ -101,25 +105,35 @@ void GetSubString(const std::string initialTag, const std::string finalTag,
         (singleQuotePosition == content.npos && end < doubleQuotePosition) ||
         (doubleQuotePosition == content.npos && end < singleQuotePosition) ||
         (end < singleQuotePosition && end < doubleQuotePosition))
+    {
       break;
+    }
 
     // find the closing corresponding quote
     std::string::size_type closingQuotePosition;
 
-    if (singleQuotePosition == content.npos) // no ' anywhere
+    if (singleQuotePosition == content.npos)
+    { // no ' anywhere
       lf_SetPositions('\"', doubleQuotePosition, content, currentPosition,
                       closingQuotePosition);
-    else if (doubleQuotePosition == content.npos) // no " anywhere
+    }
+    else if (doubleQuotePosition == content.npos)
+    { // no " anywhere
       lf_SetPositions('\'', singleQuotePosition, content, currentPosition,
                       closingQuotePosition);
+    }
     else
     {
       if (singleQuotePosition < doubleQuotePosition)
+      {
         lf_SetPositions('\'', singleQuotePosition, content, currentPosition,
                         closingQuotePosition);
-      else // find the closing "
+      }
+      else
+      { // find the closing "
         lf_SetPositions('\"', doubleQuotePosition, content, currentPosition,
                         closingQuotePosition);
+      }
     }
 
     if (closingQuotePosition ==
@@ -132,7 +146,9 @@ void GetSubString(const std::string initialTag, const std::string finalTag,
     currentPosition = closingQuotePosition + 1;
 
     if (closingQuotePosition < end)
+    {
       continue;
+    }
 
     // if this point is reached it means it's a value inside " " or ' ', move to
     // the next end
@@ -151,8 +167,10 @@ void GetQuotedValue(const char quote,
   auto nextQuotePosition = currentTag.find(quote);
 
   if (nextQuotePosition == currentTag.npos)
+  {
     throw std::invalid_argument("ERROR: Invalid attribute in..." + currentTag +
                                 "...check XML file\n");
+  }
 
   value = currentTag.substr(0, nextQuotePosition);
   currentTag = currentTag.substr(nextQuotePosition + 1);
@@ -201,8 +219,10 @@ void GetPairsFromTag(
                                      ">"); // check for closing tagName
 
     if (fileContent.find(closingTagName) == fileContent.npos)
+    {
       throw std::invalid_argument("ERROR: closing tag " + closingTagName +
                                   " missing, check XML file\n");
+    }
 
     GetPairs(tag, pairs);
   }
@@ -411,7 +431,9 @@ std::size_t GetTotalSize(const std::vector<std::size_t> &dimensions)
   std::size_t product = 1;
 
   for (const auto dimension : dimensions)
+  {
     product *= dimension;
+  }
 
   return product;
 }
@@ -420,13 +442,17 @@ void CreateDirectory(const std::string fullPath) noexcept
 {
   auto lf_Mkdir = [](const std::string directory, struct stat &st) {
     if (stat(directory.c_str(), &st) == -1)
+    {
       mkdir(directory.c_str(), 0777);
+    }
   };
 
   auto directoryPosition = fullPath.find("/");
 
-  if (fullPath[0] == '/' || fullPath[0] == '.') // find the second '/'
+  if (fullPath[0] == '/' || fullPath[0] == '.')
+  { // find the second '/'
     directoryPosition = fullPath.find("/", directoryPosition + 1);
+  }
 
   struct stat st = {0};
   if (directoryPosition == fullPath.npos) // no subdirectories
@@ -464,9 +490,11 @@ void SetTransformsHelper(const std::vector<std::string> &transformNames,
       if (debugMode == true)
       {
         if (colonPosition == transformName.size() - 1)
+        {
           throw std::invalid_argument("ERROR: wrong format for transform " +
                                       transformName +
                                       ", in call to SetTransform\n");
+        }
       }
 
       transformMethod = transformName.substr(0, colonPosition);
@@ -528,14 +556,18 @@ BuildParametersMap(const std::vector<std::string> &parameters,
     if (debugMode == true)
     {
       if (equalPosition == parameter.npos)
+      {
         throw std::invalid_argument("ERROR: wrong format for parameter " +
                                     parameter +
                                     ", format must be field=value \n");
+      }
 
       if (equalPosition == parameter.size() - 1)
+      {
         throw std::invalid_argument("ERROR: empty value in parameter " +
                                     parameter +
                                     ", format must be field=value \n");
+      }
     }
 
     field = parameter.substr(0, equalPosition);
@@ -553,8 +585,10 @@ BuildParametersMap(const std::vector<std::string> &parameters,
     if (debugMode == true)
     {
       if (parametersOutput.count(field) == 1)
+      {
         throw std::invalid_argument("ERROR: parameter " + field +
                                     " already exists, must be unique\n");
+      }
     }
 
     parametersOutput[field] = value;
@@ -567,7 +601,9 @@ std::vector<int> CSVToVectorInt(const std::string csv)
 {
   std::vector<int> numbers;
   if (csv.empty())
+  {
     return numbers;
+  }
 
   if (csv.find(",") == csv.npos) // check if no commas, one int
   {
@@ -600,7 +636,9 @@ bool CheckBufferAllocation(const std::size_t newSize, const float growthFactor,
   bool doTransportsFlush = (requiredDataSize > maxBufferSize) ? true : false;
 
   if (GrowBuffer(requiredDataSize, growthFactor, buffer) == -1)
+  {
     doTransportsFlush = true;
+  }
 
   return doTransportsFlush;
 }
@@ -643,4 +681,4 @@ bool IsLittleEndian() noexcept
   return *reinterpret_cast<std::uint8_t *>(&hexa) != 0x12;
 }
 
-} // end namespace
+} // namespace adios
diff --git a/source/transform/BZip2.cpp b/source/transform/BZip2.cpp
index 646b8bc6c75ba201e575cf245c54380eff9e712f..c267af7540249968dd42d9e9bb210b2917661150 100644
--- a/source/transform/BZip2.cpp
+++ b/source/transform/BZip2.cpp
@@ -17,15 +17,15 @@ namespace transform
 
 BZIP2::BZIP2() : Transform("bzip2") {}
 
-BZIP2::~BZIP2() {}
+BZIP2::~BZIP2() = default;
 
-void BZIP2::Compress(const std::vector<char> &bufferIn,
-                     std::vector<char> &bufferOut)
+void BZIP2::Compress(const std::vector<char> & /*bufferIn*/,
+                     std::vector<char> & /*bufferOut*/)
 {
 }
 
-void BZIP2::Decompress(const std::vector<char> &bufferIn,
-                       std::vector<char> &bufferOut)
+void BZIP2::Decompress(const std::vector<char> & /*bufferIn*/,
+                       std::vector<char> & /*bufferOut*/)
 {
 }
 
diff --git a/source/transport/file/FileDescriptor.cpp b/source/transport/file/FileDescriptor.cpp
index d3433d2e50aa1613ef16aa95daf7d4553c51dc49..0d6a87c96826042d79581ec356b9c96d796a85cf 100644
--- a/source/transport/file/FileDescriptor.cpp
+++ b/source/transport/file/FileDescriptor.cpp
@@ -45,87 +45,115 @@ void FileDescriptor::Open(const std::string name, const std::string accessMode)
   if (accessMode == "w" || accessMode == "write")
   {
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetInitialTime();
+    }
 
     m_FileDescriptor = open(m_Name.c_str(), O_WRONLY | O_CREAT, 0777);
 
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetTime();
+    }
   }
   else if (accessMode == "a" || accessMode == "append")
   {
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetInitialTime();
+    }
 
     m_FileDescriptor =
         open(m_Name.c_str(), O_WRONLY | O_APPEND); // we need to change this
 
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetTime();
+    }
   }
   else if (accessMode == "r" || accessMode == "read")
   {
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetInitialTime();
+    }
 
     m_FileDescriptor = open(m_Name.c_str(), O_RDONLY);
 
     if (m_Profiler.m_IsActive == true)
+    {
       m_Profiler.m_Timers[0].SetTime();
+    }
   }
 
   if (m_DebugMode == true)
   {
     if (m_FileDescriptor == -1)
+    {
       throw std::ios_base::failure("ERROR: couldn't open file " + m_Name +
                                    ", from call to Open in FD transport using "
                                    "POSIX open. Does file exists?\n");
+    }
   }
 }
 
 void FileDescriptor::Write(const char *buffer, std::size_t size)
 {
   if (m_Profiler.m_IsActive == true)
+  {
     m_Profiler.m_Timers[1].SetInitialTime();
+  }
 
   auto writtenSize = write(m_FileDescriptor, buffer, size);
 
   if (m_Profiler.m_IsActive == true)
+  {
     m_Profiler.m_Timers[1].SetTime();
+  }
 
   if (m_DebugMode == true)
   {
     if (writtenSize == -1)
+    {
       throw std::ios_base::failure("ERROR: couldn't write to file " + m_Name +
                                    ", in call to POSIX write\n");
+    }
 
     if (static_cast<std::size_t>(writtenSize) != size)
+    {
       throw std::ios_base::failure(
           "ERROR: written size + " + std::to_string(writtenSize) +
           " is not equal to intended size " + std::to_string(size) +
           " in file " + m_Name + ", in call to POSIX write\n");
+    }
   }
 }
 
 void FileDescriptor::Close()
 {
   if (m_Profiler.m_IsActive == true)
+  {
     m_Profiler.m_Timers[2].SetInitialTime();
+  }
 
   int status = close(m_FileDescriptor);
 
   if (m_Profiler.m_IsActive == true)
+  {
     m_Profiler.m_Timers[2].SetTime();
+  }
 
   if (m_DebugMode == true)
   {
     if (status == -1)
+    {
       throw std::ios_base::failure("ERROR: couldn't close file " + m_Name +
                                    ", in call to POSIX write\n");
+    }
   }
 
   m_IsOpen = false;
 }
 
 } // end namespace transport
-} // end namespace
+} // namespace adios
diff --git a/source/transport/file/FilePointer.cpp b/source/transport/file/FilePointer.cpp
index 704b93f08d55ad410d25f9a04a501c73d60d49a7..1ba57204e6a6827c7454c688b37b8e2f1d62e2c9 100644
--- a/source/transport/file/FilePointer.cpp
+++ b/source/transport/file/FilePointer.cpp
@@ -26,8 +26,10 @@ FilePointer::FilePointer(MPI_Comm mpiComm, const bool debugMode)
 
 FilePointer::~FilePointer()
 {
-  if (m_File != NULL)
+  if (m_File != nullptr)
+  {
     fclose(m_File);
+  }
 }
 
 void FilePointer::Open(const std::string name, const std::string accessMode)
@@ -36,20 +38,26 @@ void FilePointer::Open(const std::string name, const std::string accessMode)
   m_AccessMode = accessMode;
 
   if (accessMode == "w" || accessMode == "write")
+  {
     m_File = fopen(name.c_str(), "w");
-
+  }
   else if (accessMode == "a" || accessMode == "append")
+  {
     m_File = fopen(name.c_str(), "a");
-
+  }
   else if (accessMode == "r" || accessMode == "read")
+  {
     m_File = fopen(name.c_str(), "r");
+  }
 
   if (m_DebugMode == true)
   {
-    if (m_File == NULL)
+    if (m_File == nullptr)
+    {
       throw std::ios_base::failure("ERROR: couldn't open file " + name +
                                    ", "
                                    "in call to Open from File* transport\n");
+    }
   }
 }
 
@@ -60,8 +68,10 @@ void FilePointer::SetBuffer(char *buffer, std::size_t size)
   if (m_DebugMode == true)
   {
     if (status == 1)
+    {
       throw std::ios_base::failure("ERROR: could not set buffer in rank " +
                                    std::to_string(m_RankMPI) + "\n");
+    }
   }
 }
 
@@ -72,8 +82,10 @@ void FilePointer::Write(const char *buffer, std::size_t size)
   if (m_DebugMode == true)
   {
     if (ferror(m_File))
+    {
       throw std::ios_base::failure("ERROR: couldn't write to file " + m_Name +
                                    ", in call to File* write\n");
+    }
   }
 }
 
@@ -87,4 +99,4 @@ void FilePointer::Close()
 }
 
 } // end namespace transport
-} // end namespace
+} // namespace adios