Refactorization: pass std::string directly to std::*fstream

cli/cmdlineparser.cpp

@@ -52,7 +52,7 @@ static void AddFilesToList(const std::string& FileList, std::vector<std::string>
     if (FileList == "-") { // read from stdin
         Files = &std::cin;
     } else {
-        Infile.open(FileList.c_str());
+        Infile.open(FileList);
         Files = &Infile;
     }
     if (Files && *Files) {
@@ -68,7 +68,7 @@ static void AddFilesToList(const std::string& FileList, std::vector<std::string>
 static void AddInclPathsToList(const std::string& FileList, std::list<std::string>* PathNames)
 {
     // To keep things initially simple, if the file can't be opened, just be silent and move on.
-    std::ifstream Files(FileList.c_str());
+    std::ifstream Files(FileList);
     if (Files) {
         std::string PathName;
         while (std::getline(Files, PathName)) { // next line
@@ -189,7 +189,7 @@ bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
                 // exitcode-suppressions=filename.txt
                 std::string filename = 24 + argv[i];
 
-                std::ifstream f(filename.c_str());
+                std::ifstream f(filename);
                 if (!f.is_open()) {
                     PrintMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");
                     return false;
@@ -204,7 +204,7 @@ bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
             // Filter errors
             else if (std::strncmp(argv[i], "--suppressions-list=", 20) == 0) {
                 std::string filename = argv[i]+20;
-                std::ifstream f(filename.c_str());
+                std::ifstream f(filename);
                 if (!f.is_open()) {
                     std::string message("cppcheck: Couldn't open the file: \"");
                     message += filename;

lib/analyzerinfo.cpp

@@ -48,7 +48,7 @@ void AnalyzerInformation::writeFilesTxt(const std::string &buildDir, const std::
     std::map<std::string, unsigned int> fileCount;
 
     const std::string filesTxt(buildDir + "/files.txt");
-    std::ofstream fout(filesTxt.c_str());
+    std::ofstream fout(filesTxt);
     for (std::list<std::string>::const_iterator f = sourcefiles.begin(); f != sourcefiles.end(); ++f) {
         const std::string afile = getFilename(*f);
         if (fileCount.find(afile) == fileCount.end())
@@ -99,7 +99,7 @@ static bool skipAnalysis(const std::string &analyzerInfoFile, unsigned long long
 std::string AnalyzerInformation::getAnalyzerInfoFile(const std::string &buildDir, const std::string &sourcefile, const std::string &cfg)
 {
     const std::string files(buildDir + "/files.txt");
-    std::ifstream fin(files.c_str());
+    std::ifstream fin(files);
     if (fin.is_open()) {
         std::string line;
         const std::string endsWith(':' + cfg + ':' + sourcefile);

lib/cppcheck.cpp

@@ -79,7 +79,7 @@ const char * CppCheck::extraVersion()
 
 unsigned int CppCheck::check(const std::string &path)
 {
-    std::ifstream fin(path.c_str());
+    std::ifstream fin(path);
     return processFile(Path::simplifyPath(path), emptyString, fin);
 }
 
@@ -101,7 +101,7 @@ unsigned int CppCheck::check(const ImportProject::FileSettings &fs)
     if (fs.platformType != Settings::Unspecified) {
         temp._settings.platform(fs.platformType);
     }
-    std::ifstream fin(fs.filename.c_str());
+    std::ifstream fin(fs.filename);
     return temp.processFile(Path::simplifyPath(fs.filename), fs.cfg, fin);
 }
 
@@ -196,7 +196,7 @@ unsigned int CppCheck::processFile(const std::string& filename, const std::strin
         std::ofstream fdump;
         if (_settings.dump) {
             const std::string dumpfile(_settings.dumpFile.empty() ? (filename + ".dump") : _settings.dumpFile);
-            fdump.open(dumpfile.c_str());
+            fdump.open(dumpfile);
             if (fdump.is_open()) {
                 fdump << "<?xml version=\"1.0\"?>" << std::endl;
                 fdump << "<dumps>" << std::endl;
@@ -806,7 +806,7 @@ void CppCheck::analyseWholeProgram(const std::string &buildDir, const std::map<s
 
     // Load all analyzer info data..
     const std::string filesTxt(buildDir + "/files.txt");
-    std::ifstream fin(filesTxt.c_str());
+    std::ifstream fin(filesTxt);
     std::string filesTxtLine;
     while (std::getline(fin, filesTxtLine)) {
         const std::string::size_type firstColon = filesTxtLine.find(':');

test/testsamples.cpp

@@ -81,7 +81,7 @@ private:
                 CppCheckExecutor exec;
                 exec.check(7, argv);
                 std::string expected_filename = Path::getPathFromFilename(i->first) + "out.txt";
-                std::ifstream ifs(expected_filename.c_str());
+                std::ifstream ifs(expected_filename);
                 std::string expected((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
                 std::string actual = GET_REDIRECT_ERROUT;
                 // We need some uniformization to make this work on Unix and Windows