refactoring: Increased constness of function parameters

cppcheck.cpp

@@ -62,7 +62,7 @@ void CppCheck::addFile( const std::string &path, const std::string &content )
     _fileContents[ path ] = content;
 }
 
-std::string CppCheck::parseFromArgs( int argc, char* argv[] )
+std::string CppCheck::parseFromArgs( int argc, const char* argv[] )
 {
     std::vector<std::string> pathnames;
     bool Recursive = false;

cppcheck.h

@@ -89,7 +89,7 @@ class CppCheck : public ErrorLogger
          * string containing "help" text if no files were found to be
          * checked.
          */
-        std::string parseFromArgs( int argc, char* argv[] );
+        std::string parseFromArgs( int argc, const char* argv[] );
 
     private:
         void checkFile(const std::string &code, const char FileName[]);

cppcheckexecutor.cpp

@@ -30,7 +30,7 @@ CppCheckExecutor::~CppCheckExecutor()
     //dtor
 }
 
-void CppCheckExecutor::check( int argc, char* argv[] )
+void CppCheckExecutor::check( int argc, const char* argv[] )
 {
     CppCheck cppCheck( *this );
     std::string result = cppCheck.parseFromArgs( argc, argv );

cppcheckexecutor.h

@@ -47,7 +47,7 @@ public:
      * @param argc from main()
      * @param argv from main()
      */
-    void check( int argc, char* argv[] );
+    void check( int argc, const char* argv[] );
 
     /**
      * Errors and warnings are directed here. This should be