diff --git a/Examples/guile/multimap/example.i b/Examples/guile/multimap/example.i
index a1cc0bb67..7337d1e9e 100644
--- a/Examples/guile/multimap/example.i
+++ b/Examples/guile/multimap/example.i
@@ -20,7 +20,7 @@ extern int    gcd(int x, int y);
   SCM *v;
   if (!(SCM_NIMP($input) && SCM_VECTORP($input))) {
     SWIG_exception(SWIG_ValueError, "Expecting a vector");
-    return;
+    return 0;
   }
   $1 = SCM_LENGTH($input);
   if ($1 == 0) {
@@ -32,7 +32,7 @@ extern int    gcd(int x, int y);
     if (!(SCM_NIMP(v[i]) && SCM_STRINGP(v[i]))) {
       free($2);	
       SWIG_exception(SWIG_ValueError, "Vector items must be strings");
-      return;
+      return 0;
     }
     $2[i] = SCM_CHARS(v[i]);
   }
diff --git a/Examples/guile/multivalue/example.i b/Examples/guile/multivalue/example.i
index abc2a6fbc..135389487 100644
--- a/Examples/guile/multivalue/example.i
+++ b/Examples/guile/multivalue/example.i
@@ -2,6 +2,12 @@
 
 %module example;
 
+%{
+void divide_l(int a, int b, int *quotient_p, int *remainder_p);
+void divide_v(int a, int b, int *quotient_p, int *remainder_p);
+void divide_mv(int a, int b, int *quotient_p, int *remainder_p);
+%}
+
 /* Multiple values as lists. By default, if more than one value is to
 be returned, a list of the values is created and returned; to switch
 back to this behavior, use: */
diff --git a/Examples/perl5/multiple_inheritance/example.h b/Examples/perl5/multiple_inheritance/example.h
index ce7dfe6a7..a8f544898 100644
--- a/Examples/perl5/multiple_inheritance/example.h
+++ b/Examples/perl5/multiple_inheritance/example.h
@@ -7,26 +7,25 @@ using namespace std;
 class Bar
 {
  public:
-  virtual void bar ()
-    {
-      cout << "bar" << endl;
-    }
+   virtual void bar () {
+     cout << "bar" << endl;
+   }
+   virtual ~Bar() {}
 };
 
 class Foo
 {
  public:
-  virtual void foo ()
-    {
-      cout << "foo" << endl;
-    }
+   virtual void foo () {
+     cout << "foo" << endl;
+   }
+   virtual ~Foo() {}
 };
 
 class Foo_Bar : public Foo, public Bar
 {
  public:
-  virtual void fooBar ()
-    {
-      cout << "foobar" << endl;
-    }
+   virtual void fooBar () {
+     cout << "foobar" << endl;
+   }
 };
diff --git a/Examples/ruby/free_function/example.cxx b/Examples/ruby/free_function/example.cxx
index 9e0d24b1a..402a947e9 100644
--- a/Examples/ruby/free_function/example.cxx
+++ b/Examples/ruby/free_function/example.cxx
@@ -23,7 +23,7 @@ Zoo::~Zoo()
 	IterType iter = this->animals.begin();
 	IterType end = this->animals.end();
 
-	for(iter; iter != end; ++iter)
+	for(; iter != end; ++iter)
 	{
 		Animal* animal = *iter;
 		delete animal;
diff --git a/Lib/csharp/csharphead.swg b/Lib/csharp/csharphead.swg
index 7938dee04..ffff70372 100644
--- a/Lib/csharp/csharphead.swg
+++ b/Lib/csharp/csharphead.swg
@@ -73,7 +73,7 @@ static SWIG_CSharpExceptionArgument_t SWIG_csharp_exceptions_argument[] = {
 
 static void SWIGUNUSED SWIG_CSharpSetPendingException(SWIG_CSharpExceptionCodes code, const char *msg) {
   SWIG_CSharpExceptionCallback_t callback = SWIG_csharp_exceptions[SWIG_CSharpApplicationException].callback;
-  if (code >=0 && (size_t)code < sizeof(SWIG_csharp_exceptions)/sizeof(SWIG_CSharpException_t)) {
+  if ((size_t)code < sizeof(SWIG_csharp_exceptions)/sizeof(SWIG_CSharpException_t)) {
     callback = SWIG_csharp_exceptions[code].callback;
   }
   callback(msg);
@@ -81,7 +81,7 @@ static void SWIGUNUSED SWIG_CSharpSetPendingException(SWIG_CSharpExceptionCodes
 
 static void SWIGUNUSED SWIG_CSharpSetPendingExceptionArgument(SWIG_CSharpExceptionArgumentCodes code, const char *msg, const char *param_name) {
   SWIG_CSharpExceptionArgumentCallback_t callback = SWIG_csharp_exceptions_argument[SWIG_CSharpArgumentException].callback;
-  if (code >=0 && (size_t)code < sizeof(SWIG_csharp_exceptions_argument)/sizeof(SWIG_CSharpExceptionArgument_t)) {
+  if ((size_t)code < sizeof(SWIG_csharp_exceptions_argument)/sizeof(SWIG_CSharpExceptionArgument_t)) {
     callback = SWIG_csharp_exceptions_argument[code].callback;
   }
   callback(msg, param_name);