Various fixes for problems detected by Coverity.

Most of them where not actual problems, though.

dic/compdic.cpp

@@ -60,6 +60,8 @@
 #   define _(String) String
 #endif
 
+#define MAX_STRING_LENGTH 200
+
 // Useful shortcut
 #define fmt(a) boost::format(a)
 
@@ -76,6 +78,15 @@ CompDic::CompDic()
     m_headerInfo.edgesused  = 1;
     m_headerInfo.nodessaved = 0;
     m_headerInfo.edgessaved = 0;
+
+    m_stringBuf = new wchar_t[MAX_STRING_LENGTH];
+    m_endString = m_stringBuf;
+}
+
+
+CompDic::~CompDic()
+{
+    delete[] m_stringBuf;
 }
 
 

dic/compdic.h

@@ -48,6 +48,7 @@ class CompDic
 
 public:
     CompDic();
+    ~CompDic();
 
     /**
      * Define a new letter. The letter must be alphabetic (i.e. iswalpha()
@@ -93,12 +94,10 @@ private:
 
     HashMap m_hashMap;
 
-#define MAX_STRING_LENGTH 200
-
     /// Space for the current string
-    wchar_t m_stringBuf[MAX_STRING_LENGTH];
+    wchar_t *m_stringBuf;
     /// Point to the end of the string
-    wchar_t* m_endString;
+    wchar_t *m_endString;
 #ifdef CHECK_RECURSION
     map<int, vector<DicEdge> > m_mapForDepth;
     int m_currentRec;

dic/compdicmain.cpp

@@ -260,10 +260,14 @@ int main(int argc, char* argv[])
 #endif
         return 0;
     }
+    catch (const BaseException &e)
+    {
+        cerr << "Exception caught: " << e.what() << "\n" << e.getStackTrace();
+    }
     catch (std::exception &e)
     {
-        cerr << fmt(_("Exception caught: %1%")) % e.what() << endl;
-        return 1;
+        cerr << "Exception caught: " << e.what() << endl;
     }
+    return 1;
 }
 

dic/regexp.cpp

@@ -26,6 +26,7 @@
 
 #include "dic.h"
 #include "regexp.h"
+#include "debug.h"
 
 using boost::format;
 
@@ -68,24 +69,30 @@ void Node::traverse(int &p, int &n, int ptl[])
             m_DP = 1 << (m_position - 1);
             break;
         case NODE_OR:
+            ASSERT(m_fg, "The left child node should not be NULL");
+            ASSERT(m_fd, "The right child node should not be NULL");
             m_position = 0;
             m_annulable = m_fg->m_annulable || m_fd->m_annulable;
             m_PP = m_fg->m_PP | m_fd->m_PP;
             m_DP = m_fg->m_DP | m_fd->m_DP;
             break;
         case NODE_AND:
+            ASSERT(m_fg, "The left child node should not be NULL");
+            ASSERT(m_fd, "The right child node should not be NULL");
             m_position = 0;
             m_annulable = m_fg->m_annulable && m_fd->m_annulable;
             m_PP = (m_fg->m_annulable) ? (m_fg->m_PP | m_fd->m_PP) : m_fg->m_PP;
             m_DP = (m_fd->m_annulable) ? (m_fg->m_DP | m_fd->m_DP) : m_fd->m_DP;
             break;
         case NODE_PLUS:
+            ASSERT(m_fg, "The left child node should not be NULL");
             m_position = 0;
             m_annulable = false;
             m_PP = m_fg->m_PP;
             m_DP = m_fg->m_DP;
             break;
         case NODE_STAR:
+            ASSERT(m_fg, "The left child node should not be NULL");
             m_position = 0;
             m_annulable = true;
             m_PP = m_fg->m_PP;
@@ -109,6 +116,8 @@ void Node::nextPos(uint64_t PS[])
             /* \forall p \in DP(left)           */
             /*     PS[p] = PS[p] \cup PP(right) */
             /************************************/
+            ASSERT(m_fg, "The left child node should not be NULL");
+            ASSERT(m_fd, "The right child node should not be NULL");
             for (uint32_t pos = 1; pos <= PS[0]; pos++)
             {
                 if (m_fg->m_DP & (1 << (pos-1)))

qt/main.cpp

@@ -20,6 +20,7 @@
 
 #include "config.h"
 
+#include <iostream>
 #include <string>
 #include <exception>
 #include <QApplication>
@@ -162,9 +163,25 @@ int main(int argc, char **argv)
     app.installTranslator(&translator);
 #endif
 
+    try
+    {
         MainWindow qmain;
         qmain.show();
         return app.exec();
+    }
+    catch (const BaseException &e)
+    {
+        cerr << "Exception caught: " << e.what() << "\n" << e.getStackTrace();
+    }
+    catch (const std::exception &e)
+    {
+        cerr << "Exception caught: " << e.what();
+    }
+    catch (...)
+    {
+        cerr << "Unknown exception caught";
+    }
+    return 1;
 }
 
 #ifdef HAVE_EXECINFO_H

qt/main_window.cpp

@@ -188,7 +188,7 @@ MainWindow::MainWindow(QWidget *iParent)
         {
             m_dic = new Dictionary(lfq(dicPath));
         }
-        catch (DicException &e)
+        catch (const std::exception &e)
         {
             displayErrorMsg(_q("Cannot load dictionary '%1' indicated in the "
                                "preferences.\nReason: %2").arg(dicPath).arg(e.what()));
@@ -272,7 +272,7 @@ void MainWindow::refresh()
         {
             m_game->save(m_autoSaveGame);
         }
-        catch (std::exception &e)
+        catch (const std::exception &e)
         {
             LOG_ERROR("Error during auto-save: " << e.what());
             displayErrorMsg(_q("Error during auto-save of the game: %1").arg(e.what()));
@@ -615,7 +615,7 @@ void MainWindow::changeDictionary(QString iFileName)
             QSettings qs;
             qs.setValue(PrefsDialog::kINTF_DIC_PATH, iFileName);
         }
-        catch (std::exception &e)
+        catch (const std::exception &e)
         {
             displayErrorMsg(e.what());
         }
@@ -829,7 +829,7 @@ void MainWindow::loadGame(QString fileName)
             destroyCurrentGame();
             m_game = tmpGame;
         }
-        catch (std::exception &e)
+        catch (const std::exception &e)
         {
             displayErrorMsg(_q("Error while loading the game:\n") + e.what());
             return;
@@ -856,7 +856,7 @@ void MainWindow::onGameSaveAs()
             m_game->save(lfq(fileName));
             displayInfoMsg(_q("Game saved"));
         }
-        catch (std::exception &e)
+        catch (const std::exception &e)
         {
             displayErrorMsg(_q("Error saving game: %1").arg(e.what()));
         }

qt/qtcommon.cpp

@@ -31,9 +31,11 @@
 #include <QtGui/QLayout>
 #include <QtCore/QSettings>
 
-#include "qtcommon.h"
 #include <iostream>
 
+#include "qtcommon.h"
+#include "debug.h"
+
 using namespace std;
 
 
@@ -60,11 +62,13 @@ QString qfw(const wstring &wstr)
 #endif
 }
 
-static void logFailedTest(const string &testName)
+static void logFailedTest(const string &testName, bool & oFailure)
 {
     cerr << "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" << endl;
     cerr << "@@@@@@@ Test " + testName + " failed! @@@@@@@" << endl;
     cerr << "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" << endl << endl;
+
+    oFailure = true;
 }
 
 
@@ -72,47 +76,51 @@ void QtCommon::CheckConversions()
 {
     string s = "abcdéöùßĿ";
 
+    bool failure = false;
+
     // Check identities
     if (s != lfw(wfl(s)))
-        logFailedTest("1");
+        logFailedTest("1", failure);
     if (s != lfu(ufl(s)))
-        logFailedTest("2");
+        logFailedTest("2", failure);
     if (s != lfq(qfl(s)))
-        logFailedTest("3");
+        logFailedTest("3", failure);
 
     wstring w = wfl(s);
     if (w != wfl(lfw(w)))
-        logFailedTest("4");
+        logFailedTest("4", failure);
     if (w != wfu(ufw(w)))
-        logFailedTest("5");
+        logFailedTest("5", failure);
     if (w != wfq(qfw(w)))
-        logFailedTest("6");
+        logFailedTest("6", failure);
 
     QString q = qfl(s);
     if (q != qfl(lfq(q)))
-        logFailedTest("7");
+        logFailedTest("7", failure);
     if (q != qfu(ufq(q)))
-        logFailedTest("8");
+        logFailedTest("8", failure);
     if (q != qfw(wfq(q)))
-        logFailedTest("9");
+        logFailedTest("9", failure);
 
     // Check some cycles
     if (s != lfu(ufw(wfl(s))))
-        logFailedTest("10");
+        logFailedTest("10", failure);
     if (s != lfw(wfu(ufl(s))))
-        logFailedTest("11");
+        logFailedTest("11", failure);
     if (s != lfq(qfw(wfl(s))))
-        logFailedTest("12");
+        logFailedTest("12", failure);
     if (s != lfw(wfq(qfl(s))))
-        logFailedTest("13");
+        logFailedTest("13", failure);
     if (s != lfu(ufw(wfq(qfl(s)))))
-        logFailedTest("14");
+        logFailedTest("14", failure);
     if (s != lfq(qfw(wfu(ufl(s)))))
-        logFailedTest("15");
+        logFailedTest("15", failure);
     if (s != lfu(ufq(qfw(wfl(s)))))
-        logFailedTest("16");
+        logFailedTest("16", failure);
     if (s != lfw(wfq(qfu(ufl(s)))))
-        logFailedTest("17");
+        logFailedTest("17", failure);
+
+    ASSERT(!failure, "Some string conversions failed");
 }
 
 

utils/ncurses.cpp

@@ -31,6 +31,7 @@
 #   include <windows.h>
 #endif
 
+#include <iostream>
 #include <ctype.h>
 #include <cstring> // For strlen
 #include <cwctype> // For iswalnum
@@ -1160,6 +1161,9 @@ int main(int argc, char ** argv)
 
     srand(time(NULL));
 
+    int retCode = 1;
+    try
+    {
         Game *realGame = GameFactory::Instance()->createFromCmdLine(argc, argv);
         if (realGame == NULL)
         {
@@ -1172,6 +1176,8 @@ int main(int argc, char ** argv)
 
         // Initialize the ncurses library
         WINDOW *wBoard = initscr();
+        try
+        {
             keypad(wBoard, true);
             // Take input chars one at a time
             cbreak();
@@ -1211,13 +1217,35 @@ int main(int argc, char ** argv)
                     mainIntf.redraw(wBoard);
                 }
             }
-
+        }
+        catch (...)
+        {
+            // Clean up
             delwin(wBoard);
 
             // Exit the ncurses library
             endwin();
 
+            // Rethrow the exception
+            throw;
+        }
+
+        retCode = 0;
+    }
+    catch (const BaseException &e)
+    {
+        cerr << "Exception caught: " << e.what() << "\n" << e.getStackTrace();
+    }
+    catch (const std::exception &e)
+    {
+        cerr << "Exception caught: " << e.what();
+    }
+    catch (...)
+    {
+        cerr << "Unknown exception caught";
+    }
+
     GameFactory::Destroy();
 
-    return 0;
+    return retCode;
 }