Fixed #2409 (print a warning if provided path (commandline option -I [PATH]) does not exist)

cli/cmdlineparser.cpp

@@ -233,7 +233,7 @@ bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
         }
 
         // Include paths
-        else if (strcmp(argv[i], "-I") == 0 || strncmp(argv[i], "-I", 2) == 0)
+        else if (strncmp(argv[i], "-I", 2) == 0)
         {
             std::string path;
 
@@ -252,8 +252,7 @@ bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
             // "-Ipath/"
             else
             {
-                path = argv[i];
-                path = path.substr(2);
+                path = 2 + argv[i];
             }
 
             // If path doesn't end with / or \, add it

cli/cppcheckexecutor.cpp

@@ -56,6 +56,21 @@ bool CppCheckExecutor::parseFromArgs(CppCheck *cppcheck, int argc, const char* c
         }
     }
 
+    // Check that all include paths exist
+    {
+        std::list<std::string>::const_iterator iter;
+        for (iter = _settings._includePaths.begin();
+             iter != _settings._includePaths.end();
+             ++iter)
+        {
+            if (!getFileLister()->isDirectory(iter->c_str()))
+            {
+                std::cout << "cppcheck: error: Couldn't find path given by -I '" + *iter + "'" << std::endl;
+                return false;
+            }
+        }
+    }
+
     std::vector<std::string> pathnames = parser.GetPathNames();
     std::vector<std::string> filenames;
 

lib/filelister.h

@@ -66,6 +66,11 @@ public:
      */
     virtual bool acceptFile(const std::string &filename);
 
+    /**
+     * @brief Is given path a directory?
+     * @return returns true if the path is a directory
+     */
+    virtual bool isDirectory(const std::string &path) = 0;
 };
 
 /** @brief get filelister (platform dependent implementation) */

lib/filelister_unix.cpp

@@ -103,4 +103,23 @@ bool FileListerUnix::sameFileName(const std::string &fname1, const std::string &
 #endif
 }
 
+bool FileListerUnix::isDirectory(const std::string &path)
+{
+    bool ret = false;
+
+    glob_t glob_results;
+    glob(path.c_str(), GLOB_MARK, 0, &glob_results);
+    if (glob_results.gl_pathc == 1)
+    {
+        const std::string glob_path = glob_results.gl_pathv[0];
+        if (!glob_path.empty() && glob_path[glob_path.size() - 1] == '/')
+        {
+            ret = true;
+        }
+    }
+    globfree(&glob_results);
+
+    return ret;
+}
+
 #endif // _WIN32

lib/filelister_unix.h

@@ -33,6 +33,7 @@ public:
     virtual void recursiveAddFiles(std::vector<std::string> &filenames, const std::string &path);
     virtual bool sameFileName(const std::string &fname1, const std::string &fname2);
 //    virtual static bool acceptFile(const std::string &filename);
+    virtual bool isDirectory(const std::string &path);
 private:
 #ifndef _WIN32
     void recursiveAddFiles2(std::vector<std::string> &relative,

lib/filelister_win32.cpp

@@ -205,4 +205,9 @@ bool FileListerWin32::sameFileName(const std::string &fname1, const std::string
 #endif
 }
 
+bool FileListerWin32::isDirectory(const std::string &path)
+{
+    return (MyIsDirectory(path) != FALSE);
+}
+
 #endif // _WIN32

lib/filelister_win32.h

@@ -32,6 +32,7 @@ class FileListerWin32 : public FileLister
 public:
     virtual void recursiveAddFiles(std::vector<std::string> &filenames, const std::string &path);
     virtual bool sameFileName(const std::string &fname1, const std::string &fname2);
+    virtual bool isDirectory(const std::string &path);
 private:
 
 };