Source: change parameters to std::string

Source/cmExecProgramCommand.cxx

@@ -82,11 +82,11 @@ bool cmExecProgramCommand::InitialPass(std::vector<std::string> const& args,
   bool result = true;
   if (args.size() - count == 2) {
     cmSystemTools::MakeDirectory(args[1]);
-    result = cmExecProgramCommand::RunCommand(command.c_str(), output, retVal,
+    result = cmExecProgramCommand::RunCommand(command, output, retVal,
                                               args[1].c_str(), verbose);
   } else {
-    result = cmExecProgramCommand::RunCommand(command.c_str(), output, retVal,
-                                              nullptr, verbose);
+    result = cmExecProgramCommand::RunCommand(command, output, retVal, nullptr,
+                                              verbose);
   }
   if (!result) {
     retVal = -1;
@@ -115,7 +115,7 @@ bool cmExecProgramCommand::InitialPass(std::vector<std::string> const& args,
   return true;
 }
 
-bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
+bool cmExecProgramCommand::RunCommand(std::string command, std::string& output,
                                       int& retVal, const char* dir,
                                       bool verbose, Encoding encoding)
 {
@@ -128,12 +128,11 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
   // try to find the program, and if the program can not be
   // found use system to run the command as it must be a built in
   // shell command like echo or dir
-  int count = 0;
-  std::string shortCmd;
-  if (command[0] == '\"') {
+  if (!command.empty() && command[0] == '\"') {
     // count the number of quotes
-    for (const char* s = command; *s != 0; ++s) {
-      if (*s == '\"') {
+    int count = 0;
+    for (char c : command) {
+      if (c == '\"') {
         count++;
         if (count > 2) {
           break;
@@ -147,20 +146,21 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
     if (count > 2) {
       cmsys::RegularExpression quoted("^\"([^\"]*)\"[ \t](.*)");
       if (quoted.find(command)) {
+        std::string shortCmd;
         std::string cmd = quoted.match(1);
         std::string args = quoted.match(2);
         if (!cmSystemTools::FileExists(cmd)) {
           shortCmd = cmd;
-        } else if (!cmSystemTools::GetShortPath(cmd.c_str(), shortCmd)) {
+        } else if (!cmSystemTools::GetShortPath(cmd, shortCmd)) {
           cmSystemTools::Error("GetShortPath failed for " + cmd);
           return false;
         }
         shortCmd += " ";
         shortCmd += args;
 
-        command = shortCmd.c_str();
+        command = shortCmd;
       } else {
-        cmSystemTools::Error("Could not parse command line with quotes ",
+        cmSystemTools::Error("Could not parse command line with quotes " +
                              command);
       }
     }
@@ -182,7 +182,7 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
     cmsysProcess_SetOption(cp, cmsysProcess_Option_HideWindow, 1);
   }
   cmsysProcess_SetOption(cp, cmsysProcess_Option_Verbatim, 1);
-  const char* cmd[] = { command, 0 };
+  const char* cmd[] = { command.c_str(), nullptr };
   cmsysProcess_SetCommand(cp, cmd);
 #else
   std::string commandInDir;
@@ -197,7 +197,7 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
 #  ifndef __VMS
   commandInDir += " 2>&1";
 #  endif
-  command = commandInDir.c_str();
+  command = commandInDir;
   if (verbose) {
     cmSystemTools::Stdout("running ");
     cmSystemTools::Stdout(command);
@@ -205,7 +205,7 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
   }
   fflush(stdout);
   fflush(stderr);
-  const char* cmd[] = { "/bin/sh", "-c", command, nullptr };
+  const char* cmd[] = { "/bin/sh", "-c", command.c_str(), nullptr };
   cmsysProcess_SetCommand(cp, cmd);
 #endif
 

Source/cmExecProgramCommand.h

@@ -37,7 +37,7 @@ public:
                    cmExecutionStatus& status) override;
 
 private:
-  static bool RunCommand(const char* command, std::string& output, int& retVal,
+  static bool RunCommand(std::string command, std::string& output, int& retVal,
                          const char* directory = nullptr, bool verbose = true,
                          Encoding encoding = cmProcessOutput::Auto);
 };

Source/cmFileCommand.cxx

@@ -558,8 +558,7 @@ bool cmFileCommand::HandleStringsCommand(std::vector<std::string> const& args)
     std::string binaryFileName = this->Makefile->GetCurrentBinaryDirectory();
     binaryFileName += "/CMakeFiles";
     binaryFileName += "/FileCommandStringsBinaryFile";
-    if (cmHexFileConverter::TryConvert(fileName.c_str(),
-                                       binaryFileName.c_str())) {
+    if (cmHexFileConverter::TryConvert(fileName, binaryFileName)) {
       fileName = binaryFileName;
     }
   }

Source/cmGraphVizWriter.cxx

@@ -170,8 +170,9 @@ cmGraphVizWriter::cmGraphVizWriter(const cmGlobalGenerator* globalGenerator)
 {
 }
 
-void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
-                                    const char* fallbackSettingsFileName)
+void cmGraphVizWriter::ReadSettings(
+  const std::string& settingsFileName,
+  const std::string& fallbackSettingsFileName)
 {
   cmake cm(cmake::RoleScript, cmState::Unknown);
   cm.SetHomeDirectory("");
@@ -181,8 +182,7 @@ void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
   cmMakefile mf(&ggi, cm.GetCurrentSnapshot());
   std::unique_ptr<cmLocalGenerator> lg(ggi.CreateLocalGenerator(&mf));
 
-  const char* inFileName = settingsFileName;
-
+  std::string inFileName = settingsFileName;
   if (!cmSystemTools::FileExists(inFileName)) {
     inFileName = fallbackSettingsFileName;
     if (!cmSystemTools::FileExists(inFileName)) {
@@ -191,7 +191,7 @@ void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
   }
 
   if (!mf.ReadListFile(inFileName)) {
-    cmSystemTools::Error("Problem opening GraphViz options file: ",
+    cmSystemTools::Error("Problem opening GraphViz options file: " +
                          inFileName);
     return;
   }
@@ -249,7 +249,7 @@ void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
 
 // Iterate over all targets and write for each one a graph which shows
 // which other targets depend on it.
-void cmGraphVizWriter::WriteTargetDependersFiles(const char* fileName)
+void cmGraphVizWriter::WriteTargetDependersFiles(const std::string& fileName)
 {
   if (!this->GenerateDependers) {
     return;
@@ -291,7 +291,7 @@ void cmGraphVizWriter::WriteTargetDependersFiles(const char* fileName)
 
 // Iterate over all targets and write for each one a graph which shows
 // on which targets it depends.
-void cmGraphVizWriter::WritePerTargetFiles(const char* fileName)
+void cmGraphVizWriter::WritePerTargetFiles(const std::string& fileName)
 {
   if (!this->GeneratePerTarget) {
     return;
@@ -327,7 +327,7 @@ void cmGraphVizWriter::WritePerTargetFiles(const char* fileName)
   }
 }
 
-void cmGraphVizWriter::WriteGlobalFile(const char* fileName)
+void cmGraphVizWriter::WriteGlobalFile(const std::string& fileName)
 {
   this->CollectTargetsAndLibs();
 
@@ -392,7 +392,7 @@ void cmGraphVizWriter::WriteConnections(
                                      GlobalGenerator);
 
   for (auto const& llit : ll) {
-    const char* libName = llit.first.c_str();
+    const std::string& libName = llit.first;
     std::map<std::string, std::string>::const_iterator libNameIt =
       this->TargetNamesNodes.find(libName);
 
@@ -519,7 +519,7 @@ int cmGraphVizWriter::CollectAllTargets()
   for (cmLocalGenerator* lg : this->LocalGenerators) {
     const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
     for (cmGeneratorTarget* target : targets) {
-      const char* realTargetName = target->GetName().c_str();
+      const std::string& realTargetName = target->GetName();
       if (this->IgnoreThisTarget(realTargetName)) {
         // Skip ignored targets
         continue;
@@ -541,7 +541,7 @@ int cmGraphVizWriter::CollectAllExternalLibs(int cnt)
   for (cmLocalGenerator* lg : this->LocalGenerators) {
     const std::vector<cmGeneratorTarget*>& targets = lg->GetGeneratorTargets();
     for (cmGeneratorTarget* target : targets) {
-      const char* realTargetName = target->GetName().c_str();
+      const std::string& realTargetName = target->GetName();
       if (this->IgnoreThisTarget(realTargetName)) {
         // Skip ignored targets
         continue;
@@ -549,7 +549,7 @@ int cmGraphVizWriter::CollectAllExternalLibs(int cnt)
       const cmTarget::LinkLibraryVectorType* ll =
         &(target->Target->GetOriginalLinkLibraries());
       for (auto const& llit : *ll) {
-        const char* libName = llit.first.c_str();
+        std::string libName = llit.first;
         if (this->IgnoreThisTarget(libName)) {
           // Skip ignored targets
           continue;
@@ -558,7 +558,7 @@ int cmGraphVizWriter::CollectAllExternalLibs(int cnt)
         if (GlobalGenerator->IsAlias(libName)) {
           const auto tgt = GlobalGenerator->FindTarget(libName);
           if (tgt) {
-            libName = tgt->GetName().c_str();
+            libName = tgt->GetName();
           }
         }
 

Source/cmGraphVizWriter.h

@@ -25,13 +25,13 @@ class cmGraphVizWriter
 public:
   cmGraphVizWriter(const cmGlobalGenerator* globalGenerator);
 
-  void ReadSettings(const char* settingsFileName,
-                    const char* fallbackSettingsFileName);
+  void ReadSettings(const std::string& settingsFileName,
+                    const std::string& fallbackSettingsFileName);
 
-  void WritePerTargetFiles(const char* fileName);
-  void WriteTargetDependersFiles(const char* fileName);
+  void WritePerTargetFiles(const std::string& fileName);
+  void WriteTargetDependersFiles(const std::string& fileName);
 
-  void WriteGlobalFile(const char* fileName);
+  void WriteGlobalFile(const std::string& fileName);
 
 protected:
   void CollectTargetsAndLibs();

Source/cmHexFileConverter.cxx

@@ -128,7 +128,7 @@ static bool ConvertIntelHexLine(const char* buf, FILE* outFile)
 }
 
 cmHexFileConverter::FileType cmHexFileConverter::DetermineFileType(
-  const char* inFileName)
+  const std::string& inFileName)
 {
   char buf[1024];
   FILE* inFile = cmsys::SystemTools::Fopen(inFileName, "rb");
@@ -170,8 +170,8 @@ cmHexFileConverter::FileType cmHexFileConverter::DetermineFileType(
   return type;
 }
 
-bool cmHexFileConverter::TryConvert(const char* inFileName,
-                                    const char* outFileName)
+bool cmHexFileConverter::TryConvert(const std::string& inFileName,
+                                    const std::string& outFileName)
 {
   FileType type = DetermineFileType(inFileName);
   if (type == Binary) {

Source/cmHexFileConverter.h

@@ -4,6 +4,7 @@
 #define cmHexFileConverter_h
 
 #include "cmConfigure.h" // IWYU pragma: keep
+#include <string>
 
 /** \class cmHexFileConverter
  * \brief Can detects Intel Hex and Motorola S-record files and convert them
@@ -19,8 +20,9 @@ public:
     IntelHex,
     MotorolaSrec
   };
-  static FileType DetermineFileType(const char* inFileName);
-  static bool TryConvert(const char* inFileName, const char* outFileName);
+  static FileType DetermineFileType(const std::string& inFileName);
+  static bool TryConvert(const std::string& inFileName,
+                         const std::string& outFileName);
 };
 
 #endif

Source/cmUseMangledMesaCommand.cxx

@@ -30,7 +30,7 @@ bool cmUseMangledMesaCommand::InitialPass(std::vector<std::string> const& args,
     this->SetError(e);
     return false;
   }
-  const char* destDir = args[1].c_str();
+  const std::string& destDir = args[1];
   std::vector<std::string> files;
   cmSystemTools::Glob(inputDir, "\\.h$", files);
   if (files.empty()) {
@@ -42,14 +42,14 @@ bool cmUseMangledMesaCommand::InitialPass(std::vector<std::string> const& args,
     std::string path = inputDir;
     path += "/";
     path += f;
-    this->CopyAndFullPathMesaHeader(path.c_str(), destDir);
+    this->CopyAndFullPathMesaHeader(path, destDir);
   }
 
   return true;
 }
 
-void cmUseMangledMesaCommand::CopyAndFullPathMesaHeader(const char* source,
-                                                        const char* outdir)
+void cmUseMangledMesaCommand::CopyAndFullPathMesaHeader(
+  const std::string& source, const std::string& outdir)
 {
   std::string dir, file;
   cmSystemTools::SplitProgramPath(source, dir, file);
@@ -65,9 +65,9 @@ void cmUseMangledMesaCommand::CopyAndFullPathMesaHeader(const char* source,
     cmSystemTools::ReportLastSystemError("");
     return;
   }
-  cmsys::ifstream fin(source);
+  cmsys::ifstream fin(source.c_str());
   if (!fin) {
-    cmSystemTools::Error("Could not open file for read in copy operation",
+    cmSystemTools::Error("Could not open file for read in copy operation" +
                          source);
     return;
   }

Source/cmUseMangledMesaCommand.h

@@ -20,7 +20,8 @@ public:
                    cmExecutionStatus& status) override;
 
 protected:
-  void CopyAndFullPathMesaHeader(const char* source, const char* outdir);
+  void CopyAndFullPathMesaHeader(const std::string& source,
+                                 const std::string& outdir);
 };
 
 #endif

Source/cmake.cxx

@@ -812,7 +812,7 @@ void cmake::SetArgs(const std::vector<std::string>& args)
     }
     // no option assume it is the path to the source or an existing build
     else {
-      this->SetDirectoriesFromFile(arg.c_str());
+      this->SetDirectoriesFromFile(arg);
     }
   }
 
@@ -855,7 +855,7 @@ cmake::LogLevel cmake::StringToLogLevel(const std::string& levelStr)
   return (it != levels.cend()) ? it->second : LogLevel::LOG_UNDEFINED;
 }
 
-void cmake::SetDirectoriesFromFile(const char* arg)
+void cmake::SetDirectoriesFromFile(const std::string& arg)
 {
   // Check if the argument refers to a CMakeCache.txt or
   // CMakeLists.txt file.
@@ -1755,7 +1755,7 @@ int cmake::Generate()
   this->GlobalGenerator->Generate();
   if (!this->GraphVizFile.empty()) {
     std::cout << "Generate graphviz: " << this->GraphVizFile << std::endl;
-    this->GenerateGraphViz(this->GraphVizFile.c_str());
+    this->GenerateGraphViz(this->GraphVizFile);
   }
   if (this->WarnUnusedCli) {
     this->RunCheckForUnusedVariables();
@@ -2263,7 +2263,7 @@ void cmake::MarkCliAsUsed(const std::string& variable)
   this->UsedCliVariables[variable] = true;
 }
 
-void cmake::GenerateGraphViz(const char* fileName) const
+void cmake::GenerateGraphViz(const std::string& fileName) const
 {
 #ifdef CMAKE_BUILD_WITH_CMAKE
   cmGraphVizWriter gvWriter(this->GetGlobalGenerator());
@@ -2273,8 +2273,7 @@ void cmake::GenerateGraphViz(const char* fileName) const
   std::string fallbackSettingsFile = this->GetHomeDirectory();
   fallbackSettingsFile += "/CMakeGraphVizOptions.cmake";
 
-  gvWriter.ReadSettings(settingsFile.c_str(), fallbackSettingsFile.c_str());
-
+  gvWriter.ReadSettings(settingsFile, fallbackSettingsFile);
   gvWriter.WritePerTargetFiles(fileName);
   gvWriter.WriteTargetDependersFiles(fileName);
   gvWriter.WriteGlobalFile(fileName);
@@ -2652,7 +2651,7 @@ int cmake::Build(int jobs, const std::string& dir,
       // directories, which is required for running the generation step.
       std::string homeOrig = this->GetHomeDirectory();
       std::string homeOutputOrig = this->GetHomeOutputDirectory();
-      this->SetDirectoriesFromFile(cachePath.c_str());
+      this->SetDirectoriesFromFile(cachePath);
 
       this->AddProjectCommands();
 

Source/cmake.h

@@ -495,13 +495,13 @@ protected:
    */
   int CheckBuildSystem();
 
-  void SetDirectoriesFromFile(const char* arg);
+  void SetDirectoriesFromFile(const std::string& arg);
 
   //! Make sure all commands are what they say they are and there is no
   /// macros.
   void CleanupCommandsAndMacros();
 
-  void GenerateGraphViz(const char* fileName) const;
+  void GenerateGraphViz(const std::string& fileName) const;
 
 private:
   ProgressCallbackType ProgressCallback;