Merge pull request #20 from fiendish/master

random finds from static code analysis

Author: nickgammon

Dmetaph.cpp

@@ -109,8 +109,10 @@ bool MString::StringAt(int start, int length, ... )
         do
         {
                 test = va_arg(sstrings, char*);
-                if(*test AND (target == test))
+                if(*test AND (target == test)) {
+                        va_end(sstrings);
                         return true;
+                }
 
         }while(strcmp(test, ""));
 

dialogs/world_prefs/aliasdlg.cpp

@@ -171,11 +171,7 @@ void CAliasDlg::DoDataExchange(CDataExchange* pDX)
     if (m_bRegexp)
       {
       if (!CheckRegularExpression (m_name, (m_bIgnoreCase ?  0 : PCRE_CASELESS) 
-          | (m_pDoc->m_bUTF_8 ? PCRE_UTF8 : 0)
-#if ALIASES_USE_UTF8
-                                  | (m_pDoc->m_bUTF_8 ? PCRE_UTF8 : 0)
-#endif // ALIASES_USE_UTF8
-          
+          | (m_pDoc->m_bUTF_8 ? PCRE_UTF8 : 0)          
           ))
         {   // failed check
         DDX_Text(pDX, IDC_ALIAS_NAME, m_name);

luacom/tCOMUtil.cpp

@@ -367,9 +367,8 @@ ITypeLib* tCOMUtil::LoadTypeLibFromProgID(const char* ProgID,
     return NULL;
 
   bool version_found = false;
-  int version = -1;
 
-  if(major_version <= 0)
+  if(major_version == 0)
   {
     if(sscanf(ProgID, "%*s.%*s.%d", &major_version) == 1)
       version_found = true;
@@ -471,6 +470,7 @@ ITypeLib* tCOMUtil::LoadTypeLibFromCLSID(CLSID clsid,
 
     if(pcClsid)
       free(pcClsid);
+    free(bLibID);
 
     return NULL;
   }
@@ -496,8 +496,7 @@ ITypeLib* tCOMUtil::LoadTypeLibFromCLSID(CLSID clsid,
 
   if(major_version > 0 &&
       (
-        (!version_info_found) ||
-        (version_info_found && found == 0)
+        (!version_info_found) || (found == 0)
       )
     )
   {
@@ -513,8 +512,11 @@ ITypeLib* tCOMUtil::LoadTypeLibFromCLSID(CLSID clsid,
       &version_major,
       &version_minor);
 
-    if(!result)
+    if(!result) {
+      free(bLibID);
+      free(wcTypelib);
       return NULL;
+    }
   }
 
   free(bLibID);
@@ -703,7 +705,6 @@ bool tCOMUtil::DelRegKey(const char *key,
                          const char *subkey)
 {
 
-  bool ok = false;
   LONG ec = 0;
 
   const int bufsize = 10000;

luacom/tLuaCOMConnPoints.cpp

@@ -44,7 +44,7 @@ tLuaCOMEnumConnPoints::tLuaCOMEnumConnPoints(IUnknown* pHostObj)
   cRefs = 0;
 
   // Assign the Host Object pointer.
-  pHostObj = pHostObj;
+  this->pHostObj = pHostObj;
 
   // Initialize the Connection Point enumerator variables.
   iEnumIndex = 0;
@@ -453,7 +453,7 @@ tLuaCOMConnPoint::tLuaCOMConnPoint(lua_State *p_L,
   // this connection point. Since this connection point object's lifetime
   // is geared to that of the connectable object there is no need to
   // AddRef the following copied pointer to the connectable object.
-  pHostObj = pHostObj;
+  this->pHostObj = pHostObj;
 
   // Initialize the Connection Point variables.
   dwNextCookie = COOKIE_START_VALUE;
@@ -973,7 +973,7 @@ tLuaCOMEnumConnections::tLuaCOMEnumConnections(
   cRefs = 0;
 
   // Assign the Host Object pointer.
-  pHostObj = pHostObj;
+  this->pHostObj = pHostObj;
 
   // Initialize the Connection Point enumerator variables.
   iEnumIndex = 0;

luacom/tLuaVector.cpp

@@ -50,7 +50,7 @@ unsigned long tLuaVector::get_Dimensions()
 unsigned long tLuaVector::get_Nth_Dimension(unsigned long n)
 {
   // precond
-  CHECKPRECOND(length >= 0 && n >= 0 && (n == 1 || elem_type == VECTOR));
+  CHECKPRECOND(n == 1 || elem_type == VECTOR);
 
   if(n == 1)
     return length;
@@ -323,7 +323,7 @@ void tLuaVector::InitVectorFromTable(lua_State* L, stkIndex table)
     // Itera em tabela ou userdata, criando LuaVectors recursivamente
     while(1)
     {
-      CHECKPRECOND((length <= 0 || elem_type != UNKNOWN) &&
+      CHECKPRECOND((elem_type != UNKNOWN) &&
          (length != 0 || elem_type == UNKNOWN));
 
       lua_pushvalue(L, table);

mcdatetime.cpp

@@ -70,13 +70,13 @@ CmcDateTime CmcDateTime::operator-(const CmcDateTimeSpan& dateSpan) const
   }  // end of CmcDateTime CmcDateTime::operator-
 
 
-const CmcDateTime& CmcDateTime::operator+=(const CmcDateTimeSpan dateSpan)
+const CmcDateTime& CmcDateTime::operator+=(const CmcDateTimeSpan& dateSpan)
   { 
   *this = *this + dateSpan; 
   return *this; 
   }   // end of CmcDateTime& CmcDateTime::operator+=
 
-const CmcDateTime& CmcDateTime::operator-=(const CmcDateTimeSpan dateSpan)
+const CmcDateTime& CmcDateTime::operator-=(const CmcDateTimeSpan& dateSpan)
   { 
   *this = *this - dateSpan; 
   return *this; 
@@ -392,10 +392,10 @@ CmcDateTimeSpan CmcDateTimeSpan::operator-(const CmcDateTimeSpan& dateSpan) cons
 	return dateSpanTemp;
   }
 
-const CmcDateTimeSpan& CmcDateTimeSpan::operator+=(const CmcDateTimeSpan dateSpan)
+const CmcDateTimeSpan& CmcDateTimeSpan::operator+=(const CmcDateTimeSpan& dateSpan)
 	{ *this = *this + dateSpan; return *this; }
 
-const CmcDateTimeSpan& CmcDateTimeSpan::operator-=(const CmcDateTimeSpan dateSpan)
+const CmcDateTimeSpan& CmcDateTimeSpan::operator-=(const CmcDateTimeSpan& dateSpan)
 	{ *this = *this - dateSpan; return *this; }
 CmcDateTimeSpan CmcDateTimeSpan::operator-() const
 	{ return -this->m_span; }

regexp.h

@@ -74,7 +74,7 @@ class t_regexp
     };
 
   // returns a named wildcard
-  string GetWildcard (const string sName) const
+  string GetWildcard (const string& sName) const
     {
     int iNumber;
     if (IsStringNumber (sName))

stdafx.h

@@ -682,7 +682,7 @@ inline string trim (const string & s, const string & t = SPACES)
 
 // string find-and-replace
 inline string FindAndReplace
-  (const string& source, const string target, const string replacement)
+  (const string& source, const string& target, const string& replacement)
   {
   string str = source;
   string::size_type pos = 0,   // where we are now