Remove some unneeded c_str calls.

26 files changed, 59 insertions, 59 deletions

diff --git a/Source/CPack/cmCPackComponentGroup.cxx b/Source/CPack/cmCPackComponentGroup.cxx
index 77f11cbf29..fd20e9b20d 100644
--- a/Source/CPack/cmCPackComponentGroup.cxx
+++ b/Source/CPack/cmCPackComponentGroup.cxx
@@ -30,7 +30,7 @@ unsigned long cmCPackComponent::GetInstalledSize(
     std::string path = installDir;
     path += '/';
     path += *fileIt;
-    this->TotalSize += cmSystemTools::FileLength(path.c_str());
+    this->TotalSize += cmSystemTools::FileLength(path);
     }
 
   return this->TotalSize;
diff --git a/Source/CPack/cmCPackDebGenerator.cxx b/Source/CPack/cmCPackDebGenerator.cxx
index c939cd2587..0a64bd5eb1 100644
--- a/Source/CPack/cmCPackDebGenerator.cxx
+++ b/Source/CPack/cmCPackDebGenerator.cxx
@@ -390,7 +390,7 @@ int cmCPackDebGenerator::createDeb()
               packageFiles.begin();
               fileIt != packageFiles.end(); ++ fileIt )
         {
-        totalSize += cmSystemTools::FileLength(fileIt->c_str());
+        totalSize += cmSystemTools::FileLength(*fileIt);
         }
     }
     out << "Installed-Size: " << (totalSize + 1023) / 1024 << "\n";
diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index 31f0b597a9..e78f161baf 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -217,7 +217,7 @@ int cmCPackGenerator::InstallProject()
     {
     std::string destDir = "DESTDIR=";
     destDir += tempInstallDirectory;
-    cmSystemTools::PutEnv(destDir.c_str());
+    cmSystemTools::PutEnv(destDir);
     }
   else
     {
@@ -277,7 +277,7 @@ int cmCPackGenerator::InstallProjectViaInstallCommands(
     {
     std::string tempInstallDirectoryEnv = "CMAKE_INSTALL_PREFIX=";
     tempInstallDirectoryEnv += tempInstallDirectory;
-    cmSystemTools::PutEnv(tempInstallDirectoryEnv.c_str());
+    cmSystemTools::PutEnv(tempInstallDirectoryEnv);
     std::vector<std::string> installCommandsVector;
     cmSystemTools::ExpandListArgument(installCommands,installCommandsVector);
     std::vector<std::string>::iterator it;
@@ -404,7 +404,7 @@ int cmCPackGenerator::InstallProjectViaInstalledDirectories(
           std::string targetFile;
           std::string inFileRelative =
              cmSystemTools::RelativePath(top.c_str(),inFile.c_str());
-          cmSystemTools::ReadSymlink(inFile.c_str(),targetFile);
+          cmSystemTools::ReadSymlink(inFile,targetFile);
           symlinkedFiles.push_back(std::pair<std::string,
                                    std::string>(targetFile,inFileRelative));
           }
@@ -437,8 +437,8 @@ int cmCPackGenerator::InstallProjectViaInstalledDirectories(
           cmCPackLogger(cmCPackLog::LOG_DEBUG, "Will create a symlink: "
                          << symlinkedIt->second << "--> "
                          << symlinkedIt->first << std::endl);
-          if (!cmSystemTools::CreateSymlink((symlinkedIt->first).c_str(),
-                                            (symlinkedIt->second).c_str()))
+          if (!cmSystemTools::CreateSymlink(symlinkedIt->first,
+                                            symlinkedIt->second))
             {
             cmCPackLogger(cmCPackLog::LOG_ERROR, "Cannot create symlink: "
                             << symlinkedIt->second << "--> "
@@ -787,7 +787,7 @@ int cmCPackGenerator::InstallProjectViaInstallCMakeProjects(
            *       in order to put things in subdirs...
            */
           cmSystemTools::PutEnv(
-              (std::string("DESTDIR=")+tempInstallDirectory).c_str()
+              std::string("DESTDIR=")+tempInstallDirectory
                                );
           cmCPackLogger(cmCPackLog::LOG_DEBUG,
                         "- Creating directory: '" << dir << "'" << std::endl);
diff --git a/Source/CPack/cmCPackNSISGenerator.cxx b/Source/CPack/cmCPackNSISGenerator.cxx
index c1fff7d5ee..b506b0689a 100644
--- a/Source/CPack/cmCPackNSISGenerator.cxx
+++ b/Source/CPack/cmCPackNSISGenerator.cxx
@@ -825,7 +825,7 @@ CreateComponentDescription(cmCPackComponent *component,
           }
         out << std::endl;
 
-        totalSize += cmSystemTools::FileLength((dirName + *fileIt).c_str());
+        totalSize += cmSystemTools::FileLength(dirName + *fileIt);
         }
     }
 
diff --git a/Source/CTest/cmCTestBuildHandler.cxx b/Source/CTest/cmCTestBuildHandler.cxx
index 5e8f8f0f7c..d226a6c6ad 100644
--- a/Source/CTest/cmCTestBuildHandler.cxx
+++ b/Source/CTest/cmCTestBuildHandler.cxx
@@ -828,7 +828,7 @@ cmCTestBuildHandler::LaunchHelper::LaunchHelper(cmCTestBuildHandler* handler):
       this->WriteLauncherConfig();
       std::string launchEnv = "CTEST_LAUNCH_LOGS=";
       launchEnv += launchDir;
-      cmSystemTools::PutEnv(launchEnv.c_str());
+      cmSystemTools::PutEnv(launchEnv);
       }
     }
 
diff --git a/Source/CTest/cmCTestCoverageHandler.cxx b/Source/CTest/cmCTestCoverageHandler.cxx
index 8dc22a8fa0..e7828866df 100644
--- a/Source/CTest/cmCTestCoverageHandler.cxx
+++ b/Source/CTest/cmCTestCoverageHandler.cxx
@@ -884,7 +884,7 @@ struct cmCTestCoverageHandlerLocale
     {
     if(!lc_all.empty())
       {
-      cmSystemTools::PutEnv(("LC_ALL=" + lc_all).c_str());
+      cmSystemTools::PutEnv("LC_ALL=" + lc_all);
       }
     else
       {
@@ -1491,24 +1491,24 @@ int cmCTestCoverageHandler::HandleLCovCoverage(
       lcovExtraFlags + " ";
 
     cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, "Current coverage dir: "
-               << fileDir.c_str() << std::endl);
+               << fileDir << std::endl);
     cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, command.c_str()
                << std::endl);
 
     std::string output = "";
     std::string errors = "";
     int retVal = 0;
-    *cont->OFS << "* Run coverage for: " << fileDir.c_str() << std::endl;
-    *cont->OFS << "  Command: " << command.c_str() << std::endl;
+    *cont->OFS << "* Run coverage for: " << fileDir << std::endl;
+    *cont->OFS << "  Command: " << command << std::endl;
     int res = this->CTest->RunCommand(command.c_str(), &output, &errors,
                 &retVal, fileDir.c_str(), 0 /*this->TimeOut*/);
 
-    *cont->OFS << "  Output: " << output.c_str() << std::endl;
-    *cont->OFS << "  Errors: " << errors.c_str() << std::endl;
+    *cont->OFS << "  Output: " << output << std::endl;
+    *cont->OFS << "  Errors: " << errors << std::endl;
     if ( ! res )
       {
       cmCTestLog(this->CTest, ERROR_MESSAGE,
-        "Problem running coverage on file: " << it->c_str() << std::endl);
+        "Problem running coverage on file: " << *it << std::endl);
       cmCTestLog(this->CTest, ERROR_MESSAGE,
         "Command produced error: " << errors << std::endl);
       cont->Error ++;
@@ -1517,7 +1517,7 @@ int cmCTestCoverageHandler::HandleLCovCoverage(
     if ( retVal != 0 )
       {
       cmCTestLog(this->CTest, ERROR_MESSAGE, "Coverage command returned: "
-        << retVal << " while processing: " << it->c_str() << std::endl);
+        << retVal << " while processing: " << *it << std::endl);
       cmCTestLog(this->CTest, ERROR_MESSAGE,
         "Command produced error: " << cont->Error << std::endl);
       }
diff --git a/Source/CTest/cmCTestSubmitHandler.cxx b/Source/CTest/cmCTestSubmitHandler.cxx
index 5f065c249f..6aa1c2b682 100644
--- a/Source/CTest/cmCTestSubmitHandler.cxx
+++ b/Source/CTest/cmCTestSubmitHandler.cxx
@@ -234,7 +234,7 @@ bool cmCTestSubmitHandler::SubmitUsingFTP(const std::string& localprefix,
         ::curl_global_cleanup();
         return false;
         }
-      unsigned long filelen = cmSystemTools::FileLength(local_file.c_str());
+      unsigned long filelen = cmSystemTools::FileLength(local_file);
 
       ftpfile = cmsys::SystemTools::Fopen(local_file, "rb");
       *this->LogFile << "\tUpload file: " << local_file << " to "
@@ -475,7 +475,7 @@ bool cmCTestSubmitHandler::SubmitUsingHTTP(const std::string& localprefix,
         ::curl_global_cleanup();
         return false;
         }
-      unsigned long filelen = cmSystemTools::FileLength(local_file.c_str());
+      unsigned long filelen = cmSystemTools::FileLength(local_file);
 
       ftpfile = cmsys::SystemTools::Fopen(local_file, "rb");
       cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, "   Upload file: "
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 435fb326f6..f330e584ba 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1939,7 +1939,7 @@ std::string cmCTestTestHandler::GenerateRegressionImages(
         cmCTest::CleanString(measurementfile.match(5));
       if ( cmSystemTools::FileExists(filename.c_str()) )
         {
-        long len = cmSystemTools::FileLength(filename.c_str());
+        long len = cmSystemTools::FileLength(filename);
         if ( len == 0 )
           {
           std::string k1 = measurementfile.match(1);
diff --git a/Source/CTest/cmCTestUpdateHandler.cxx b/Source/CTest/cmCTestUpdateHandler.cxx
index 68f5fe133e..7206914c75 100644
--- a/Source/CTest/cmCTestUpdateHandler.cxx
+++ b/Source/CTest/cmCTestUpdateHandler.cxx
@@ -98,7 +98,7 @@ cmCTestUpdateHandlerLocale::~cmCTestUpdateHandlerLocale()
     {
     std::string put = "LC_MESSAGES=";
     put += saveLCMessages;
-    cmSystemTools::PutEnv(put.c_str());
+    cmSystemTools::PutEnv(put);
     }
   else
     {
diff --git a/Source/CTest/cmParseBlanketJSCoverage.cxx b/Source/CTest/cmParseBlanketJSCoverage.cxx
index 5f4a70822a..fc90bc131a 100644
--- a/Source/CTest/cmParseBlanketJSCoverage.cxx
+++ b/Source/CTest/cmParseBlanketJSCoverage.cxx
@@ -78,7 +78,7 @@ public:
           * information in the local vector
           */
           FileLinesType& CoverageVector =
-              this->Coverage.TotalCoverage[filename.c_str()];
+              this->Coverage.TotalCoverage[filename];
           CoverageVector = localCoverageVector;
           localCoverageVector.clear();
           foundFile=false;
@@ -98,7 +98,7 @@ public:
         *  FoundFile and foundSource ensure that
         *  only the value of the line coverage is captured
         */
-        std::string result = getValue(line,1).c_str();
+        std::string result = getValue(line,1);
         result = result.substr(2,result.npos);
         if(result == "\"\"")
           {
@@ -120,7 +120,7 @@ public:
 
     // On exit, capture end of last file covered.
     FileLinesType& CoverageVector =
-        this->Coverage.TotalCoverage[filename.c_str()];
+        this->Coverage.TotalCoverage[filename];
     CoverageVector = localCoverageVector;
     foundFile=false;
     localCoverageVector.clear();
diff --git a/Source/CursesDialog/cmCursesMainForm.cxx b/Source/CursesDialog/cmCursesMainForm.cxx
index 0734927147..4200e9eef5 100644
--- a/Source/CursesDialog/cmCursesMainForm.cxx
+++ b/Source/CursesDialog/cmCursesMainForm.cxx
@@ -47,7 +47,7 @@ cmCursesMainForm::cmCursesMainForm(std::vector<std::string> const& args,
     cmSystemTools::GetCMakeCursesCommand());
 
   // create the arguments for the cmake object
-  std::string whereCMake = cmSystemTools::GetProgramPath(this->Args[0].c_str());
+  std::string whereCMake = cmSystemTools::GetProgramPath(this->Args[0]);
   whereCMake += "/cmake";
   this->Args[0] = whereCMake;
   this->CMakeInstance->SetArgs(this->Args);
diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index f88f72c1d2..2bf7b77e75 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -1688,7 +1688,7 @@ std::string cmCTest::Base64GzipEncodeFile(std::string file)
 //----------------------------------------------------------------------
 std::string cmCTest::Base64EncodeFile(std::string file)
 {
-  long len = cmSystemTools::FileLength(file.c_str());
+  long len = cmSystemTools::FileLength(file);
   cmsys::ifstream ifs(file.c_str(), std::ios::in
 #ifdef _WIN32
     | std::ios::binary
@@ -2860,7 +2860,7 @@ void cmCTest::SetConfigType(const char* ct)
   cmSystemTools::ReplaceString(this->ConfigType, ".\\", "");
   std::string confTypeEnv
     = "CMAKE_CONFIG_TYPE=" + this->ConfigType;
-  cmSystemTools::PutEnv(confTypeEnv.c_str());
+  cmSystemTools::PutEnv(confTypeEnv);
 }
 
 //----------------------------------------------------------------------
diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index b0ddff4374..aa4c95b792 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -1640,7 +1640,7 @@ bool cmFileCopier::InstallSymlink(const char* fromFile, const char* toFile)
     cmSystemTools::RemoveFile(toFile);
 
     // Create the symlink.
-    if(!cmSystemTools::CreateSymlink(symlinkTarget.c_str(), toFile))
+    if(!cmSystemTools::CreateSymlink(symlinkTarget, toFile))
       {
       cmOStringStream e;
       e << this->Name <<  " cannot duplicate symlink \"" << fromFile
@@ -3282,7 +3282,7 @@ cmFileCommand::HandleUploadCommand(std::vector<std::string> const& args)
     return false;
     }
 
-  unsigned long file_size = cmsys::SystemTools::FileLength(filename.c_str());
+  unsigned long file_size = cmsys::SystemTools::FileLength(filename);
 
 #if defined(WIN32) && defined(CMAKE_ENCODING_UTF8)
   url = fix_file_url_windows(url);
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 51f33fda23..0130006b7b 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -1475,7 +1475,7 @@ void cmFindPackageCommand::FillPrefixesBuilds()
     cmSystemTools::ExpandRegistryValues(f);
     cmSystemTools::ConvertToUnixSlashes(f);
     if(cmSystemTools::FileIsFullPath(f.c_str()) &&
-       cmSystemTools::FileIsDirectory(f.c_str()))
+       cmSystemTools::FileIsDirectory(f))
       {
       paths.AddPath(f);
       }
diff --git a/Source/cmFindProgramCommand.cxx b/Source/cmFindProgramCommand.cxx
index b6577e1229..4ee419c69f 100644
--- a/Source/cmFindProgramCommand.cxx
+++ b/Source/cmFindProgramCommand.cxx
@@ -88,7 +88,7 @@ std::string cmFindProgramCommand
     {
 
     std::string appName = *name + std::string(".app");
-    std::string appPath = cmSystemTools::FindDirectory(appName.c_str(),
+    std::string appPath = cmSystemTools::FindDirectory(appName,
                                                        this->SearchPaths,
                                                        true);
 
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx
index 9aa8e6f75b..b0258f6df7 100644
--- a/Source/cmGeneratorExpressionEvaluator.cxx
+++ b/Source/cmGeneratorExpressionEvaluator.cxx
@@ -329,7 +329,7 @@ static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode
                        const GeneratorExpressionContent *,
                        cmGeneratorExpressionDAGChecker *) const
   {
-    return cmSystemTools::MakeCidentifier(parameters.front().c_str());
+    return cmSystemTools::MakeCidentifier(parameters.front());
   }
 } makeCIdentifierNode;
 
diff --git a/Source/cmGetFilenameComponentCommand.cxx b/Source/cmGetFilenameComponentCommand.cxx
index 77850afb86..e7d2857b4a 100644
--- a/Source/cmGetFilenameComponentCommand.cxx
+++ b/Source/cmGetFilenameComponentCommand.cxx
@@ -79,7 +79,7 @@ bool cmGetFilenameComponentCommand
           }
         }
       }
-    cmSystemTools::SplitProgramFromArgs(filename.c_str(),
+    cmSystemTools::SplitProgramFromArgs(filename,
                                         result, programArgs);
     }
   else if (args[2] == "EXT")
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 4d49fe3da0..6def15514a 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -300,11 +300,11 @@ void cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
     {
     std::string dir;
     std::string file;
-    cmSystemTools::SplitProgramPath(makeProgram.c_str(),
+    cmSystemTools::SplitProgramPath(makeProgram,
                                     dir, file);
     std::string saveFile = file;
     cmSystemTools::GetShortPath(makeProgram, makeProgram);
-    cmSystemTools::SplitProgramPath(makeProgram.c_str(),
+    cmSystemTools::SplitProgramPath(makeProgram,
                                     dir, file);
     makeProgram = dir;
     makeProgram += "/";
@@ -607,7 +607,7 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
         std::string env = envVar;
         env += "=";
         env += envVarValue;
-        cmSystemTools::PutEnv(env.c_str());
+        cmSystemTools::PutEnv(env);
         }
 
       // if determineLanguage was called then load the file it
@@ -2469,7 +2469,7 @@ void cmGlobalGenerator::EnableMinGWLanguage(cmMakefile *mf)
   this->FindMakeProgram(mf);
   std::string makeProgram = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM");
   std::vector<std::string> locations;
-  locations.push_back(cmSystemTools::GetProgramPath(makeProgram.c_str()));
+  locations.push_back(cmSystemTools::GetProgramPath(makeProgram));
   locations.push_back("/mingw/bin");
   locations.push_back("c:/mingw/bin");
   std::string tgcc = cmSystemTools::FindProgram("gcc", locations);
diff --git a/Source/cmOSXBundleGenerator.cxx b/Source/cmOSXBundleGenerator.cxx
index 9a086ca173..55e20ab835 100644
--- a/Source/cmOSXBundleGenerator.cxx
+++ b/Source/cmOSXBundleGenerator.cxx
@@ -113,7 +113,7 @@ void cmOSXBundleGenerator::CreateFramework(
   newName = versions;
   newName += "/Current";
   cmSystemTools::RemoveFile(newName);
-  cmSystemTools::CreateSymlink(oldName.c_str(), newName.c_str());
+  cmSystemTools::CreateSymlink(oldName, newName);
   this->Makefile->AddCMakeOutputFile(newName);
 
   // foo -> Versions/Current/foo
@@ -122,7 +122,7 @@ void cmOSXBundleGenerator::CreateFramework(
   newName = contentdir;
   newName += name;
   cmSystemTools::RemoveFile(newName);
-  cmSystemTools::CreateSymlink(oldName.c_str(), newName.c_str());
+  cmSystemTools::CreateSymlink(oldName, newName);
   this->Makefile->AddCMakeOutputFile(newName);
 
   // Resources -> Versions/Current/Resources
@@ -133,7 +133,7 @@ void cmOSXBundleGenerator::CreateFramework(
     newName = contentdir;
     newName += "Resources";
     cmSystemTools::RemoveFile(newName);
-    cmSystemTools::CreateSymlink(oldName.c_str(), newName.c_str());
+    cmSystemTools::CreateSymlink(oldName, newName);
     this->Makefile->AddCMakeOutputFile(newName);
     }
 
@@ -145,7 +145,7 @@ void cmOSXBundleGenerator::CreateFramework(
     newName = contentdir;
     newName += "Headers";
     cmSystemTools::RemoveFile(newName);
-    cmSystemTools::CreateSymlink(oldName.c_str(), newName.c_str());
+    cmSystemTools::CreateSymlink(oldName, newName);
     this->Makefile->AddCMakeOutputFile(newName);
     }
 
@@ -157,7 +157,7 @@ void cmOSXBundleGenerator::CreateFramework(
     newName = contentdir;
     newName += "PrivateHeaders";
     cmSystemTools::RemoveFile(newName);
-    cmSystemTools::CreateSymlink(oldName.c_str(), newName.c_str());
+    cmSystemTools::CreateSymlink(oldName, newName);
     this->Makefile->AddCMakeOutputFile(newName);
     }
 }
diff --git a/Source/cmQtAutoGenerators.cxx b/Source/cmQtAutoGenerators.cxx
index 929cbc0be9..3e8aaef689 100644
--- a/Source/cmQtAutoGenerators.cxx
+++ b/Source/cmQtAutoGenerators.cxx
@@ -178,7 +178,7 @@ std::string cmQtAutoGenerators::ListQt5RccInputs(cmSourceFile* sf,
   command.push_back("--list");
 
   std::string absFile = cmsys::SystemTools::GetRealPath(
-                                              sf->GetFullPath().c_str());
+                                              sf->GetFullPath());
 
   command.push_back(absFile);
 
@@ -394,7 +394,7 @@ bool cmQtAutoGenerators::InitializeAutogenTarget(cmTarget* target)
       {
       cmSourceFile* sf = *fileIt;
       std::string absFile = cmsys::SystemTools::GetRealPath(
-                                                sf->GetFullPath().c_str());
+                                                sf->GetFullPath());
 
       std::string ext = sf->GetExtension();
 
@@ -2319,8 +2319,8 @@ bool cmQtAutoGenerators::InputFilesNewerThanQrc(const std::string& qrcFile,
        it != files.end(); ++it)
     {
     int inputNewerThanQrc = 0;
-    bool success = cmsys::SystemTools::FileTimeCompare(it->c_str(),
-                                                      rccOutput.c_str(),
+    bool success = cmsys::SystemTools::FileTimeCompare(*it,
+                                                      rccOutput,
                                                       &inputNewerThanQrc);
     if (!success || inputNewerThanQrc >= 0)
       {
@@ -2353,7 +2353,7 @@ bool cmQtAutoGenerators::GenerateQrc()
 
     int sourceNewerThanQrc = 0;
     bool generateQrc = !cmsys::SystemTools::FileTimeCompare(*si,
-                                                      rcc_output_file.c_str(),
+                                                      rcc_output_file,
                                                       &sourceNewerThanQrc);
     generateQrc = generateQrc || (sourceNewerThanQrc >= 0);
     generateQrc = generateQrc || this->InputFilesNewerThanQrc(*si,
diff --git a/Source/cmSetCommand.cxx b/Source/cmSetCommand.cxx
index 0ca36eb0bb..176a08d220 100644
--- a/Source/cmSetCommand.cxx
+++ b/Source/cmSetCommand.cxx
@@ -43,7 +43,7 @@ bool cmSetCommand
       if (!currValue || strcmp(currValue,args[1].c_str()))
         {
         putEnvArg += args[1];
-        cmSystemTools::PutEnv(putEnvArg.c_str());
+        cmSystemTools::PutEnv(putEnvArg);
         }
       return true;
       }
@@ -51,7 +51,7 @@ bool cmSetCommand
     // if it will be cleared, then clear it if it isn;t already clear
     if (currValue)
       {
-      cmSystemTools::PutEnv(putEnvArg.c_str());
+      cmSystemTools::PutEnv(putEnvArg);
       }
     return true;
     }
diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx
index ce7c854aaf..834102748f 100644
--- a/Source/cmStringCommand.cxx
+++ b/Source/cmStringCommand.cxx
@@ -780,7 +780,7 @@ bool cmStringCommand
   const std::string& variableName = args[2];
 
   this->Makefile->AddDefinition(variableName,
-                      cmSystemTools::MakeCidentifier(input.c_str()).c_str());
+                      cmSystemTools::MakeCidentifier(input).c_str());
   return true;
 }
 
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 3247f7f38b..7e9338444d 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1409,7 +1409,7 @@ void cmSystemTools::AppendEnv(std::vector<std::string> const& env)
   for(std::vector<std::string>::const_iterator eit = env.begin();
       eit != env.end(); ++eit)
     {
-    cmSystemTools::PutEnv(eit->c_str());
+    cmSystemTools::PutEnv(*eit);
     }
 }
 
@@ -2333,7 +2333,7 @@ bool cmSystemTools::GuessLibrarySOName(std::string const& fullPath,
     {
     return false;
     }
-  if(!cmSystemTools::ReadSymlink(fullPath.c_str(), soname))
+  if(!cmSystemTools::ReadSymlink(fullPath, soname))
     {
     return false;
     }
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index ee62f06060..fef71d9476 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -4713,7 +4713,7 @@ const char* cmTarget::GetExportMacro() const
       {
       std::string in = this->GetName();
       in += "_EXPORTS";
-      this->ExportMacro = cmSystemTools::MakeCindentifier(in.c_str());
+      this->ExportMacro = cmSystemTools::MakeCindentifier(in);
       }
     return this->ExportMacro.c_str();
     }
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index fb04376923..bbd3fe44fb 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -1135,13 +1135,13 @@ void cmake::SetGlobalGenerator(cmGlobalGenerator *gg)
       {
       env += this->CCEnvironment;
       }
-    cmSystemTools::PutEnv(env.c_str());
+    cmSystemTools::PutEnv(env);
     env = "CXX=";
     if(this->CXXEnvironment.size())
       {
       env += this->CXXEnvironment;
       }
-    cmSystemTools::PutEnv(env.c_str());
+    cmSystemTools::PutEnv(env);
     }
 
   // set the new
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index f5436ff932..a97444d1a0 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -215,7 +215,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
         else if(a.find("=") != a.npos)
           {
           // Set environment variable.
-          cmSystemTools::PutEnv(a.c_str());
+          cmSystemTools::PutEnv(a);
           }
         else
           {
@@ -549,7 +549,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
           "' because existing path cannot be removed: " << emsg << "\n";
         return 1;
         }
-      if(!cmSystemTools::CreateSymlink(args[2].c_str(), args[3].c_str()))
+      if(!cmSystemTools::CreateSymlink(args[2], args[3]))
         {
         std::string emsg = cmSystemTools::GetLastSystemError();
         std::cerr <<
@@ -893,7 +893,7 @@ bool cmcmd::SymlinkInternal(std::string const& file, std::string const& link)
   return cmSystemTools::CopyFileAlways(file.c_str(), link.c_str());
 #else
   std::string linktext = cmSystemTools::GetFilenameName(file);
-  return cmSystemTools::CreateSymlink(linktext.c_str(), link.c_str());
+  return cmSystemTools::CreateSymlink(linktext, link);
 #endif
 }