4 files changed, 20 insertions, 18 deletions

diff --git a/include/opkele/basic_op.h b/include/opkele/basic_op.h
index 0326508..12306dd 100644
--- a/include/opkele/basic_op.h
+++ b/include/opkele/basic_op.h
@@ -46,6 +46,8 @@ namespace opkele {
              */
             string invalidate_handle;
 
+            virtual ~basic_OP() { }
+
             void reset_vars();
 
             /**
diff --git a/include/opkele/expat.h b/include/opkele/expat.h
index 60c41ac..3ab1630 100644
--- a/include/opkele/expat.h
+++ b/include/opkele/expat.h
@@ -26,29 +26,29 @@ namespace opkele {
                     return XML_Parse(_x,s,len,final);
                 }
 
-                virtual void start_element(const XML_Char *n,const XML_Char **a) { }
-                virtual void end_element(const XML_Char *n) { }
+                virtual void start_element(const XML_Char * /* n */,const XML_Char ** /* a */) { }
+                virtual void end_element(const XML_Char * /* n */) { }
                 void set_element_handler();
 
-                virtual void character_data(const XML_Char *s,int l) { }
+                virtual void character_data(const XML_Char * /* s */,int /* l */) { }
                 void set_character_data_handler();
 
-                virtual void processing_instruction(const XML_Char *t,const XML_Char *d) { }
+                virtual void processing_instruction(const XML_Char * /* t */,const XML_Char * /* d */) { }
                 void set_processing_instruction_handler();
 
-                virtual void comment(const XML_Char *d) { }
+                virtual void comment(const XML_Char * /* d */) { }
                 void set_comment_handler();
 
                 virtual void start_cdata_section() { }
                 virtual void end_cdata_section() { }
                 void set_cdata_section_handler();
 
-                virtual void default_handler(const XML_Char *s,int l) { }
+                virtual void default_handler(const XML_Char * /* s */,int /* l */) { }
                 void set_default_handler();
                 void set_default_handler_expand();
 
-                virtual void start_namespace_decl(const XML_Char *p,const XML_Char *u) { }
-                virtual void end_namespace_decl(const XML_Char *p) { }
+                virtual void start_namespace_decl(const XML_Char * /* p */,const XML_Char * /* u */) { }
+                virtual void end_namespace_decl(const XML_Char * /* p */) { }
                 void set_namespace_decl_handler();
 
                 inline enum XML_Error get_error_code() {
diff --git a/include/opkele/iterator.h b/include/opkele/iterator.h
index 812a786..28c1c83 100644
--- a/include/opkele/iterator.h
+++ b/include/opkele/iterator.h
@@ -26,12 +26,11 @@ namespace opkele {
             public:
                 IT i;
 
-                output_iterator_proxy_impl(const IT& i) : i(i) { }
+                output_iterator_proxy_impl(const IT& _i) : i(_i) { }
                 basic_output_iterator_proxy_impl<T>* dup() const {
                     return new output_iterator_proxy_impl<IT,T>(i); }
                 basic_output_iterator_proxy_impl<T>& operator=(const T& x) {
-                    (*i) = x;
-                }
+                    (*i) = x; return *this; }
         };
 
         template<typename T>
@@ -51,7 +50,7 @@ namespace opkele {
 
                 output_iterator_proxy& operator*() { return *this; }
                 output_iterator_proxy& operator=(const T& x) {
-                    (**I) = x; }
+                    (**I) = x; return *this; }
 
                 output_iterator_proxy& operator++() { return *this; }
                 output_iterator_proxy& operator++(int) { return *this; }
@@ -77,7 +76,7 @@ namespace opkele {
             public:
                 IT i;
 
-                forward_iterator_proxy_impl(const IT& i) : i(i) { }
+                forward_iterator_proxy_impl(const IT& _i) : i(_i) { }
 
                 virtual basic_forward_iterator_proxy_impl<typename IT::value_type,typename IT::reference,typename IT::pointer>* dup() const {
                     return new forward_iterator_proxy_impl<IT>(i); }
@@ -136,8 +135,8 @@ namespace opkele {
                     bool empty;
 
                     basic_filterator() : empty(true) { }
-                    basic_filterator(const IT& bi,const IT& ei)
-                        : it(bi), ei(ei) { empty = (bi==ei); }
+                    basic_filterator(const IT& _bi,const IT& _ei)
+                        : it(_bi), ei(_ei) { empty = (it==ei); }
                     basic_filterator(const basic_filterator<IT>& x)
                         : it(x.it), ei(x.ei), empty(x.empty) { }
                     virtual ~basic_filterator() { }
@@ -185,9 +184,9 @@ namespace opkele {
                     bool empty;
 
                     map_keys_iterator() : empty(true) { }
-                    map_keys_iterator(const IT& bi,
-                            const IT& ei)
-                        : it(bi), ei(ei) { empty = (bi==ei); }
+                    map_keys_iterator(const IT& _bi,
+                            const IT& _ei)
+                        : it(_bi), ei(_ei) { empty = (it==ei); }
                     map_keys_iterator(const self_type& x)
                         : it(x.it), ei(x.ei), empty(x.empty) { }
 
diff --git a/include/opkele/types.h b/include/opkele/types.h
index 6ab51ef..a3b657d 100644
--- a/include/opkele/types.h
+++ b/include/opkele/types.h
@@ -126,6 +126,7 @@ namespace opkele {
                 > fields_iterator;
 
             basic_openid_message() { }
+            virtual ~basic_openid_message() { }
             basic_openid_message(const basic_openid_message& x);
             void copy_to(basic_openid_message& x) const;