diff --git a/Source/CPack/OSXScriptLauncher.cxx b/Source/CPack/OSXScriptLauncher.cxx
index 19204a207..a233e7669 100644
--- a/Source/CPack/OSXScriptLauncher.cxx
+++ b/Source/CPack/OSXScriptLauncher.cxx
@@ -72,7 +72,7 @@ int main(int argc, char* argv[])
 
   std::string scriptDirectory =
     cmsys::SystemTools::GetFilenamePath(fullScriptPath);
-  ofs << fullScriptPath.c_str() << std::endl;
+  ofs << fullScriptPath << std::endl;
   std::vector<const char*> args;
   args.push_back(fullScriptPath.c_str());
   int cc;
diff --git a/Source/CPack/cmCPackBundleGenerator.cxx b/Source/CPack/cmCPackBundleGenerator.cxx
index 1164021f0..9276e3a5a 100644
--- a/Source/CPack/cmCPackBundleGenerator.cxx
+++ b/Source/CPack/cmCPackBundleGenerator.cxx
@@ -232,12 +232,12 @@ int cmCPackBundleGenerator::SignBundle(const std::string& src_dir)
       temp_sign_file_cmd << this->GetOption("CPACK_APPLE_BUNDLE_ID");
       temp_sign_file_cmd << " \"";
       temp_sign_file_cmd << bundle_path;
-      temp_sign_file_cmd << it->c_str() << "\"";
+      temp_sign_file_cmd << *it << "\"";
 
       if (!this->RunCommand(temp_sign_file_cmd, &output)) {
-        cmCPackLogger(cmCPackLog::LOG_ERROR, "Error signing file:"
-                        << bundle_path << it->c_str() << std::endl
-                        << output << std::endl);
+        cmCPackLogger(cmCPackLog::LOG_ERROR,
+                      "Error signing file:" << bundle_path << *it << std::endl
+                                            << output << std::endl);
 
         return 0;
       }
diff --git a/Source/CPack/cmCPackOSXX11Generator.cxx b/Source/CPack/cmCPackOSXX11Generator.cxx
index d5691bed5..c0d255338 100644
--- a/Source/CPack/cmCPackOSXX11Generator.cxx
+++ b/Source/CPack/cmCPackOSXX11Generator.cxx
@@ -158,11 +158,10 @@ int cmCPackOSXX11Generator::PackageFiles()
   tmpFile += "/hdiutilOutput.log";
   std::ostringstream dmgCmd;
   dmgCmd << "\"" << this->GetOption("CPACK_INSTALLER_PROGRAM_DISK_IMAGE")
-         << "\" create -ov -format UDZO -srcfolder \""
-         << diskImageDirectory.c_str() << "\" \"" << packageFileNames[0]
-         << "\"";
+         << "\" create -ov -format UDZO -srcfolder \"" << diskImageDirectory
+         << "\" \"" << packageFileNames[0] << "\"";
   cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Compress disk image using command: "
-                  << dmgCmd.str().c_str() << std::endl);
+                  << dmgCmd.str() << std::endl);
   // since we get random dashboard failures with this one
   // try running it more than once
   int retVal = 1;
@@ -181,12 +180,12 @@ int cmCPackOSXX11Generator::PackageFiles()
   }
   if (!res || retVal) {
     cmGeneratedFileStream ofs(tmpFile.c_str());
-    ofs << "# Run command: " << dmgCmd.str().c_str() << std::endl
+    ofs << "# Run command: " << dmgCmd.str() << std::endl
         << "# Output:" << std::endl
-        << output.c_str() << std::endl;
+        << output << std::endl;
     cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running hdiutil command: "
-                    << dmgCmd.str().c_str() << std::endl
-                    << "Please check " << tmpFile.c_str() << " for errors"
+                    << dmgCmd.str() << std::endl
+                    << "Please check " << tmpFile << " for errors"
                     << std::endl);
     return 0;
   }
@@ -249,7 +248,7 @@ bool cmCPackOSXX11Generator::CopyCreateResourceFile(const std::string& name)
 
   cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Configure file: "
                 << (inFileName ? inFileName : "(NULL)")
-                << " to " << destFileName.c_str() << std::endl);
+                << " to " << destFileName << std::endl);
   this->ConfigureFile(inFileName, destFileName.c_str());
   return true;
 }
@@ -277,9 +276,8 @@ bool cmCPackOSXX11Generator::CopyResourcePlistFile(
   destFileName += "/";
   destFileName += outputFileName;
 
-  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
-                "Configure file: " << inFileName.c_str() << " to "
-                                   << destFileName.c_str() << std::endl);
+  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Configure file: "
+                  << inFileName << " to " << destFileName << std::endl);
   this->ConfigureFile(inFileName.c_str(), destFileName.c_str(), copyOnly);
   return true;
 }
diff --git a/Source/CPack/cmCPackPKGGenerator.cxx b/Source/CPack/cmCPackPKGGenerator.cxx
index ff0fa8cc7..7bc05d0b1 100644
--- a/Source/CPack/cmCPackPKGGenerator.cxx
+++ b/Source/CPack/cmCPackPKGGenerator.cxx
@@ -316,9 +316,9 @@ bool cmCPackPKGGenerator::CopyCreateResourceFile(
   this->SetOption(("CPACK_RESOURCE_FILE_" + uname + "_NOPATH").c_str(),
                   (name + ext).c_str());
 
-  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Configure file: "
-                  << (inFileName ? inFileName : "(NULL)") << " to "
-                  << destFileName.c_str() << std::endl);
+  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
+                "Configure file: " << (inFileName ? inFileName : "(NULL)")
+                                   << " to " << destFileName << std::endl);
   this->ConfigureFile(inFileName, destFileName.c_str());
   return true;
 }
@@ -344,9 +344,8 @@ bool cmCPackPKGGenerator::CopyResourcePlistFile(
   destFileName += "/";
   destFileName += outName;
 
-  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
-                "Configure file: " << inFileName.c_str() << " to "
-                                   << destFileName.c_str() << std::endl);
+  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Configure file: "
+                  << inFileName << " to " << destFileName << std::endl);
   this->ConfigureFile(inFileName.c_str(), destFileName.c_str());
   return true;
 }
@@ -360,8 +359,8 @@ int cmCPackPKGGenerator::CopyInstallScript(const std::string& resdir,
   dst += name;
   cmSystemTools::CopyFileAlways(script.c_str(), dst.c_str());
   cmSystemTools::SetPermissions(dst.c_str(), 0777);
-  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "copy script : "
-                  << script << "\ninto " << dst.c_str() << std::endl);
+  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
+                "copy script : " << script << "\ninto " << dst << std::endl);
 
   return 1;
 }
diff --git a/Source/CPack/cmCPackPackageMakerGenerator.cxx b/Source/CPack/cmCPackPackageMakerGenerator.cxx
index 5bb24c0ba..891d0f471 100644
--- a/Source/CPack/cmCPackPackageMakerGenerator.cxx
+++ b/Source/CPack/cmCPackPackageMakerGenerator.cxx
@@ -101,7 +101,7 @@ int cmCPackPackageMakerGenerator::PackageFiles()
       if (!cmsys::SystemTools::MakeDirectory(preflightDirName.c_str())) {
         cmCPackLogger(cmCPackLog::LOG_ERROR,
                       "Problem creating installer directory: "
-                        << preflightDirName.c_str() << std::endl);
+                        << preflightDirName << std::endl);
         return 0;
       }
     }
@@ -109,7 +109,7 @@ int cmCPackPackageMakerGenerator::PackageFiles()
       if (!cmsys::SystemTools::MakeDirectory(postflightDirName.c_str())) {
         cmCPackLogger(cmCPackLog::LOG_ERROR,
                       "Problem creating installer directory: "
-                        << postflightDirName.c_str() << std::endl);
+                        << postflightDirName << std::endl);
         return 0;
       }
     }
@@ -137,7 +137,7 @@ int cmCPackPackageMakerGenerator::PackageFiles()
     if (!cmsys::SystemTools::MakeDirectory(packageDir.c_str())) {
       cmCPackLogger(cmCPackLog::LOG_ERROR,
                     "Problem creating component packages directory: "
-                      << packageDir.c_str() << std::endl);
+                      << packageDir << std::endl);
       return 0;
     }
 
@@ -147,7 +147,7 @@ int cmCPackPackageMakerGenerator::PackageFiles()
       cmCPackLogger(
         cmCPackLog::LOG_ERROR,
         "Problem creating component PostFlight Packages directory: "
-          << packageFileDir.c_str() << std::endl);
+          << packageFileDir << std::endl);
       return 0;
     }
     std::string packageFile =
@@ -169,7 +169,7 @@ int cmCPackPackageMakerGenerator::PackageFiles()
     if (!cmsys::SystemTools::MakeDirectory(basePackageDir.c_str())) {
       cmCPackLogger(cmCPackLog::LOG_ERROR,
                     "Problem creating component packages directory: "
-                      << basePackageDir.c_str() << std::endl);
+                      << basePackageDir << std::endl);
       return 0;
     }
 
@@ -314,12 +314,12 @@ int cmCPackPackageMakerGenerator::PackageFiles()
   }
   if (!res || retVal) {
     cmGeneratedFileStream ofs(tmpFile.c_str());
-    ofs << "# Run command: " << dmgCmd.str().c_str() << std::endl
+    ofs << "# Run command: " << dmgCmd.str() << std::endl
         << "# Output:" << std::endl
-        << output.c_str() << std::endl;
+        << output << std::endl;
     cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running hdiutil command: "
-                    << dmgCmd.str().c_str() << std::endl
-                    << "Please check " << tmpFile.c_str() << " for errors"
+                    << dmgCmd.str() << std::endl
+                    << "Please check " << tmpFile << " for errors"
                     << std::endl);
     return 0;
   }
@@ -382,7 +382,7 @@ int cmCPackPackageMakerGenerator::InitializeInternal()
   if (!cmSystemTools::FileExists(versionFile.c_str())) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot find PackageMaker compiler version file: "
-                    << versionFile.c_str() << std::endl);
+                    << versionFile << std::endl);
     return 0;
   }
 
@@ -416,7 +416,7 @@ int cmCPackPackageMakerGenerator::InitializeInternal()
   if (!cmSystemTools::GetLineFromStream(ifs, line) || !rexVersion.find(line)) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Problem reading the PackageMaker compiler version file: "
-                    << versionFile.c_str() << std::endl);
+                    << versionFile << std::endl);
     return 0;
   }
   this->PackageMakerVersion = atof(rexVersion.match(1).c_str());
@@ -481,11 +481,11 @@ bool cmCPackPackageMakerGenerator::RunPackageMaker(const char* command,
     cmGeneratedFileStream ofs(tmpFile.c_str());
     ofs << "# Run command: " << command << std::endl
         << "# Output:" << std::endl
-        << output.c_str() << std::endl;
+        << output << std::endl;
     cmCPackLogger(
       cmCPackLog::LOG_ERROR, "Problem running PackageMaker command: "
         << command << std::endl
-        << "Please check " << tmpFile.c_str() << " for errors" << std::endl);
+        << "Please check " << tmpFile << " for errors" << std::endl);
     return false;
   }
   // sometimes the command finishes but the directory is not yet
diff --git a/Source/CPack/cmCPackProductBuildGenerator.cxx b/Source/CPack/cmCPackProductBuildGenerator.cxx
index c1f63cc23..aa9a27d6a 100644
--- a/Source/CPack/cmCPackProductBuildGenerator.cxx
+++ b/Source/CPack/cmCPackProductBuildGenerator.cxx
@@ -47,7 +47,7 @@ int cmCPackProductBuildGenerator::PackageFiles()
   {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Problem creating component packages directory: "
-                  << basePackageDir.c_str() << std::endl);
+                    << basePackageDir << std::endl);
     return 0;
   }
 
@@ -153,12 +153,12 @@ bool cmCPackProductBuildGenerator::RunProductBuild(
     {
     cmGeneratedFileStream ofs(tmpFile.c_str());
     ofs << "# Run command: " << command << std::endl
-      << "# Output:" << std::endl
-      << output.c_str() << std::endl;
+        << "# Output:" << std::endl
+        << output << std::endl;
     cmCPackLogger(cmCPackLog::LOG_ERROR,
-      "Problem running command: " << command
-      << std::endl << "Please check " << tmpFile.c_str() << " for errors"
-      << std::endl);
+                  "Problem running command: " << command << std::endl
+                                              << "Please check " << tmpFile
+                                              << " for errors" << std::endl);
     return false;
     }
   return true;
@@ -194,8 +194,8 @@ bool cmCPackProductBuildGenerator::GenerateComponentPackage(
   if ( !cmsys::SystemTools::MakeDirectory(scriptDir.c_str()))
   {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
-                  "Problem creating installer directory: "
-                  << scriptDir.c_str() << std::endl);
+                  "Problem creating installer directory: " << scriptDir
+                                                           << std::endl);
     return 0;
   }
 
diff --git a/Source/CTest/cmCTestBuildAndTestHandler.cxx b/Source/CTest/cmCTestBuildAndTestHandler.cxx
index 0cba8b2a4..632f45211 100644
--- a/Source/CTest/cmCTestBuildAndTestHandler.cxx
+++ b/Source/CTest/cmCTestBuildAndTestHandler.cxx
@@ -302,7 +302,7 @@ int cmCTestBuildAndTestHandler::RunCMakeAndTest(std::string* outstring)
     out << "Could not find path to executable, perhaps it was not built: "
         << this->TestCommand << "\n";
     out << "tried to find it in these places:\n";
-    out << fullPath.c_str() << "\n";
+    out << fullPath << "\n";
     for (unsigned int i = 0; i < failed.size(); ++i) {
       out << failed[i] << "\n";
     }
diff --git a/Source/CTest/cmCTestCoverageHandler.cxx b/Source/CTest/cmCTestCoverageHandler.cxx
index ba9e5469e..a631db958 100644
--- a/Source/CTest/cmCTestCoverageHandler.cxx
+++ b/Source/CTest/cmCTestCoverageHandler.cxx
@@ -1012,7 +1012,7 @@ int cmCTestCoverageHandler::HandleGCovCoverage(
       "-o \"" + fileDir + "\" " + "\"" + *it + "\"";
 
     cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
-                       command.c_str() << std::endl, this->Quiet);
+                       command << std::endl, this->Quiet);
 
     std::string output = "";
     std::string errors = "";
@@ -1377,7 +1377,7 @@ int cmCTestCoverageHandler::HandleLCovCoverage(
                        "Current coverage dir: " << fileDir << std::endl,
                        this->Quiet);
     cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
-                       command.c_str() << std::endl, this->Quiet);
+                       command << std::endl, this->Quiet);
 
     std::string output = "";
     std::string errors = "";
diff --git a/Source/CTest/cmCTestMemCheckHandler.cxx b/Source/CTest/cmCTestMemCheckHandler.cxx
index 5b5caeab8..5f70f66df 100644
--- a/Source/CTest/cmCTestMemCheckHandler.cxx
+++ b/Source/CTest/cmCTestMemCheckHandler.cxx
@@ -991,7 +991,7 @@ void cmCTestMemCheckHandler::PostProcessBoundsCheckerTest(
     cmsys::ifstream ifs(ofile.c_str());
     if (!ifs) {
       std::string log = "Cannot read memory tester output file: " + ofile;
-      cmCTestLog(this->CTest, ERROR_MESSAGE, log.c_str() << std::endl);
+      cmCTestLog(this->CTest, ERROR_MESSAGE, log << std::endl);
       return;
     }
     res.Output += BOUNDS_CHECKER_MARKER;
@@ -1024,7 +1024,7 @@ void cmCTestMemCheckHandler::AppendMemTesterOutput(cmCTestTestResult& res,
     cmsys::ifstream ifs(ofile.c_str());
     if (!ifs) {
       std::string log = "Cannot read memory tester output file: " + ofile;
-      cmCTestLog(this->CTest, ERROR_MESSAGE, log.c_str() << std::endl);
+      cmCTestLog(this->CTest, ERROR_MESSAGE, log << std::endl);
       return;
     }
     std::string line;
@@ -1056,7 +1056,7 @@ void cmCTestMemCheckHandler::TestOutputFileNames(
     g.FindFiles(ofile);
     if (g.GetFiles().empty()) {
       std::string log = "Cannot find memory tester output file: " + ofile;
-      cmCTestLog(this->CTest, ERROR_MESSAGE, log.c_str() << std::endl);
+      cmCTestLog(this->CTest, ERROR_MESSAGE, log << std::endl);
       ofile = "";
     } else {
       files = g.GetFiles();
@@ -1064,7 +1064,7 @@ void cmCTestMemCheckHandler::TestOutputFileNames(
     }
   } else if (!cmSystemTools::FileExists(ofile.c_str())) {
     std::string log = "Cannot find memory tester output file: " + ofile;
-    cmCTestLog(this->CTest, ERROR_MESSAGE, log.c_str() << std::endl);
+    cmCTestLog(this->CTest, ERROR_MESSAGE, log << std::endl);
     ofile = "";
   }
   files.push_back(ofile);
diff --git a/Source/CTest/cmCTestMultiProcessHandler.cxx b/Source/CTest/cmCTestMultiProcessHandler.cxx
index 6f19b325a..7b384addb 100644
--- a/Source/CTest/cmCTestMultiProcessHandler.cxx
+++ b/Source/CTest/cmCTestMultiProcessHandler.cxx
@@ -449,7 +449,7 @@ void cmCTestMultiProcessHandler::UpdateCostData()
   fout << "---\n";
   for (std::vector<std::string>::iterator i = this->Failed->begin();
        i != this->Failed->end(); ++i) {
-    fout << i->c_str() << "\n";
+    fout << *i << "\n";
   }
   fout.close();
   cmSystemTools::RenameFile(tmpout.c_str(), fname.c_str());
@@ -710,8 +710,8 @@ void cmCTestMultiProcessHandler::PrintTestList()
         << indexStr.str(),
       this->Quiet);
     cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, " ", this->Quiet);
-    cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
-                       p.Name.c_str() << std::endl, this->Quiet);
+    cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, p.Name << std::endl,
+                       this->Quiet);
     // pop working dir
     cmSystemTools::ChangeDirectory(current_dir);
   }
diff --git a/Source/CTest/cmCTestSubmitHandler.cxx b/Source/CTest/cmCTestSubmitHandler.cxx
index 015b9087a..69f2ac5b0 100644
--- a/Source/CTest/cmCTestSubmitHandler.cxx
+++ b/Source/CTest/cmCTestSubmitHandler.cxx
@@ -902,8 +902,7 @@ bool cmCTestSubmitHandler::SubmitUsingXMLRPC(
 
   /* Call the famous server at UserLand. */
   cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, "   Submitting to: "
-                       << realURL.c_str() << " (" << remoteprefix.c_str()
-                       << ")" << std::endl,
+                       << realURL << " (" << remoteprefix << ")" << std::endl,
                      this->Quiet);
   cmCTest::SetOfStrings::const_iterator file;
   for (file = files.begin(); file != files.end(); ++file) {
@@ -914,12 +913,12 @@ bool cmCTestSubmitHandler::SubmitUsingXMLRPC(
       local_file = localprefix + "/" + *file;
     }
     cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
-                       "   Submit file: " << local_file.c_str() << std::endl,
+                       "   Submit file: " << local_file << std::endl,
                        this->Quiet);
     struct stat st;
     if (::stat(local_file.c_str(), &st)) {
       cmCTestLog(this->CTest, ERROR_MESSAGE,
-                 "  Cannot find file: " << local_file.c_str() << std::endl);
+                 "  Cannot find file: " << local_file << std::endl);
       return false;
     }
 
@@ -927,15 +926,15 @@ bool cmCTestSubmitHandler::SubmitUsingXMLRPC(
     // make sure the file is not too big.
     if (static_cast<off_t>(static_cast<size_t>(st.st_size)) !=
         static_cast<off_t>(st.st_size)) {
-      cmCTestLog(this->CTest, ERROR_MESSAGE,
-                 "  File too big: " << local_file.c_str() << std::endl);
+      cmCTestLog(this->CTest, ERROR_MESSAGE, "  File too big: " << local_file
+                                                                << std::endl);
       return false;
     }
     size_t fileSize = static_cast<size_t>(st.st_size);
     FILE* fp = cmsys::SystemTools::Fopen(local_file.c_str(), "rb");
     if (!fp) {
       cmCTestLog(this->CTest, ERROR_MESSAGE,
-                 "  Cannot open file: " << local_file.c_str() << std::endl);
+                 "  Cannot open file: " << local_file << std::endl);
       return false;
     }
 
@@ -944,7 +943,7 @@ bool cmCTestSubmitHandler::SubmitUsingXMLRPC(
       delete[] fileBuffer;
       fclose(fp);
       cmCTestLog(this->CTest, ERROR_MESSAGE,
-                 "  Cannot read file: " << local_file.c_str() << std::endl);
+                 "  Cannot read file: " << local_file << std::endl);
       return false;
     }
     fclose(fp);
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index f461ca8f3..96a22d9c6 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1321,7 +1321,7 @@ std::string cmCTestTestHandler::FindExecutable(
                  << "Looked in the following places:\n");
     for (std::vector<std::string>::iterator i = failed.begin();
          i != failed.end(); ++i) {
-      cmCTestLog(ctest, HANDLER_OUTPUT, i->c_str() << "\n");
+      cmCTestLog(ctest, HANDLER_OUTPUT, *i << "\n");
     }
   }
 
diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index 6e0893296..2e47298a2 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -1245,16 +1245,16 @@ int cmCTest::RunTest(std::vector<const char*> argv, std::string* output,
     if (output) {
       *output += outerr;
     }
-    cmCTestLog(this, HANDLER_VERBOSE_OUTPUT, outerr.c_str() << std::endl
-                                                            << std::flush);
+    cmCTestLog(this, HANDLER_VERBOSE_OUTPUT, outerr << std::endl
+                                                    << std::flush);
   } else if (result == cmsysProcess_State_Error) {
     std::string outerr = "\n*** ERROR executing: ";
     outerr += cmsysProcess_GetErrorString(cp);
     if (output) {
       *output += outerr;
     }
-    cmCTestLog(this, HANDLER_VERBOSE_OUTPUT, outerr.c_str() << std::endl
-                                                            << std::flush);
+    cmCTestLog(this, HANDLER_VERBOSE_OUTPUT, outerr << std::endl
+                                                    << std::flush);
   }
   cmsysProcess_Delete(cp);
 
diff --git a/Source/cmCallVisualStudioMacro.cxx b/Source/cmCallVisualStudioMacro.cxx
index e608d6b58..515699db4 100644
--- a/Source/cmCallVisualStudioMacro.cxx
+++ b/Source/cmCallVisualStudioMacro.cxx
@@ -105,8 +105,8 @@ HRESULT InstanceCallMacro(IDispatch* vsIDE, const std::string& macro,
       std::ostringstream oss;
       oss << std::endl;
       oss << "Invoke(ExecuteCommand)" << std::endl;
-      oss << "  Macro: " << macro.c_str() << std::endl;
-      oss << "  Args: " << args.c_str() << std::endl;
+      oss << "  Macro: " << macro << std::endl;
+      oss << "  Args: " << args << std::endl;
 
       if (DISP_E_EXCEPTION == hr) {
         oss << "DISP_E_EXCEPTION EXCEPINFO:" << excep.wCode << std::endl;
diff --git a/Source/cmDependsC.cxx b/Source/cmDependsC.cxx
index 5be527ccd..f81bf068d 100644
--- a/Source/cmDependsC.cxx
+++ b/Source/cmDependsC.cxx
@@ -343,16 +343,16 @@ void cmDependsC::WriteCacheFile() const
          this->FileCache.begin();
        fileIt != this->FileCache.end(); ++fileIt) {
     if (fileIt->second->Used) {
-      cacheOut << fileIt->first.c_str() << std::endl;
+      cacheOut << fileIt->first << std::endl;
 
       for (std::vector<UnscannedEntry>::const_iterator incIt =
              fileIt->second->UnscannedEntries.begin();
            incIt != fileIt->second->UnscannedEntries.end(); ++incIt) {
-        cacheOut << incIt->FileName.c_str() << std::endl;
+        cacheOut << incIt->FileName << std::endl;
         if (incIt->QuotedLocation.empty()) {
           cacheOut << "-" << std::endl;
         } else {
-          cacheOut << incIt->QuotedLocation.c_str() << std::endl;
+          cacheOut << incIt->QuotedLocation << std::endl;
         }
       }
       cacheOut << std::endl;
diff --git a/Source/cmGlobalKdevelopGenerator.cxx b/Source/cmGlobalKdevelopGenerator.cxx
index 5c1e7330d..68a25389e 100644
--- a/Source/cmGlobalKdevelopGenerator.cxx
+++ b/Source/cmGlobalKdevelopGenerator.cxx
@@ -213,7 +213,7 @@ bool cmGlobalKdevelopGenerator::CreateFilelistFile(
     cmSystemTools::ReplaceString(tmp, projectDir.c_str(), "");
     // only put relative paths
     if (!tmp.empty() && tmp[0] != '/') {
-      fout << tmp.c_str() << "\n";
+      fout << tmp << "\n";
     }
   }
   return true;
diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 93ce88b5c..4d778ee17 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -1544,7 +1544,7 @@ void cmGlobalXCodeGenerator::CreateCustomRulesMakefile(
         std::string echo_cmd = "echo ";
         echo_cmd += (this->CurrentLocalGenerator->EscapeForShell(
           comment, ccg.GetCC().GetEscapeAllowMakeVars()));
-        makefileStream << "\t" << echo_cmd.c_str() << "\n";
+        makefileStream << "\t" << echo_cmd << "\n";
       }
 
       // Add each command line to the set of commands.
@@ -1562,7 +1562,7 @@ void cmGlobalXCodeGenerator::CreateCustomRulesMakefile(
         }
         cmd += cmd2;
         ccg.AppendArguments(c, cmd);
-        makefileStream << "\t" << cmd.c_str() << "\n";
+        makefileStream << "\t" << cmd << "\n";
       }
     }
   }
diff --git a/Source/cmGraphVizWriter.cxx b/Source/cmGraphVizWriter.cxx
index 6b3a87073..3963cf891 100644
--- a/Source/cmGraphVizWriter.cxx
+++ b/Source/cmGraphVizWriter.cxx
@@ -427,7 +427,7 @@ int cmGraphVizWriter::CollectAllTargets()
         // Skip ignored targets
         continue;
       }
-      // std::cout << "Found target: " << tit->first.c_str() << std::endl;
+      // std::cout << "Found target: " << tit->first << std::endl;
       std::ostringstream ostr;
       ostr << this->GraphNodePrefix << cnt++;
       this->TargetNamesNodes[realTargetName] = ostr.str();
@@ -469,7 +469,7 @@ int cmGraphVizWriter::CollectAllExternalLibs(int cnt)
           ostr << this->GraphNodePrefix << cnt++;
           this->TargetNamesNodes[libName] = ostr.str();
           this->TargetPtrs[libName] = NULL;
-          // str << "    \"" << ostr.c_str() << "\" [ label=\"" << libName
+          // str << "    \"" << ostr << "\" [ label=\"" << libName
           // <<  "\" shape=\"ellipse\"];" << std::endl;
         }
       }
diff --git a/Source/cmLocalVisualStudio7Generator.cxx b/Source/cmLocalVisualStudio7Generator.cxx
index 36a1f2972..2f6bf0725 100644
--- a/Source/cmLocalVisualStudio7Generator.cxx
+++ b/Source/cmLocalVisualStudio7Generator.cxx
@@ -1688,12 +1688,12 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
                                                       ppLang);
           }
           if (!fc.AdditionalDeps.empty()) {
-            fout << "\t\t\t\t\tAdditionalDependencies=\""
-                 << fc.AdditionalDeps.c_str() << "\"\n";
+            fout << "\t\t\t\t\tAdditionalDependencies=\"" << fc.AdditionalDeps
+                 << "\"\n";
           }
           if (!fc.ObjectName.empty()) {
-            fout << "\t\t\t\t\tObjectFile=\"$(IntDir)/"
-                 << fc.ObjectName.c_str() << "\"\n";
+            fout << "\t\t\t\t\tObjectFile=\"$(IntDir)/" << fc.ObjectName
+                 << "\"\n";
           }
           fout << "\t\t\t\t\t/>\n"
                << "\t\t\t\t</FileConfiguration>\n";
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 45fb7cf34..ca30b3d66 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -3416,7 +3416,7 @@ int cmMakefile::ConfigureFile(const char* infile, const char* outfile,
     while (cmSystemTools::GetLineFromStream(fin, inLine)) {
       outLine = "";
       this->ConfigureString(inLine, outLine, atOnly, escapeQuotes);
-      fout << outLine.c_str() << newLineCharacters;
+      fout << outLine << newLineCharacters;
     }
     // close the files before attempting to copy
     fin.close();
diff --git a/Tests/Plugin/src/example_exe.cxx b/Tests/Plugin/src/example_exe.cxx
index 857ad5469..86b54f709 100644
--- a/Tests/Plugin/src/example_exe.cxx
+++ b/Tests/Plugin/src/example_exe.cxx
@@ -31,8 +31,7 @@ int main()
   kwsys::DynamicLoader::LibraryHandle handle =
     kwsys::DynamicLoader::OpenLibrary(libName.c_str());
   if (!handle) {
-    std::cerr << "Could not open plugin \"" << libName.c_str() << "\"!"
-              << std::endl;
+    std::cerr << "Could not open plugin \"" << libName << "\"!" << std::endl;
     return 1;
   }
   kwsys::DynamicLoader::SymbolPointer sym =