Remove valgrind and compiler warnings

Add function 'vio_end' that will cleanup resources allocated by vio and the components it uses.

include/violite.h

@@ -129,6 +129,8 @@ int vio_write_shared_memory(Vio *vio, const gptr buf, int size);
 int vio_close_shared_memory(Vio * vio);
 #endif
 
+void vio_end(void);
+
 #ifdef	__cplusplus
 }
 #endif
@@ -193,7 +195,9 @@ struct st_vio
   my_bool (*was_interrupted)(Vio*);
   int     (*vioclose)(Vio*);
   void	  (*timeout)(Vio*, unsigned int which, unsigned int timeout);
+#ifdef HAVE_OPENSSL
   void	  *ssl_arg;
+#endif
 #ifdef HAVE_SMEM
   HANDLE  handle_file_map;
   char    *handle_map;

libmysql/libmysql.c

@@ -188,6 +188,7 @@ void STDCALL mysql_server_end()
     mysql_thread_end();
   finish_client_errs();
   free_charsets();
+  vio_end();
   mysql_client_init= org_my_init_done= 0;
 #ifdef EMBEDDED_SERVER
   if (stderror_file)

sql/mysqld.cc

@@ -1136,6 +1136,8 @@ void clean_up(bool print_message)
     my_free((gptr) ssl_acceptor_fd, MYF(0));
   }
 #endif /* HAVE_OPENSSL */
+  vio_end();
+
 #ifdef USE_REGEX
   my_regex_end();
 #endif

vio/test-ssl.c

@@ -57,8 +57,8 @@ main(int argc, char**	argv)
   char*	cipher=0;
   int	child_pid,sv[2];
   my_bool unused;
-  struct st_VioSSLAcceptorFd* ssl_acceptor=0;
+  struct st_VioSSLFd* ssl_acceptor= 0;
-  struct st_VioSSLConnectorFd* ssl_connector=0; 
+  struct st_VioSSLFd* ssl_connector= 0;
   Vio* client_vio=0, *server_vio=0;
   MY_INIT(argv[0]);
   DBUG_PROCESS(argv[0]);

vio/test-sslclient.c

@@ -46,7 +46,7 @@ main(	int	argc __attribute__((unused)),
 {
 	char	client_key[] = "../SSL/client-key.pem",	client_cert[] = "../SSL/client-cert.pem";
 	char	ca_file[] = "../SSL/cacert.pem",	*ca_path = 0, *cipher=0;
-	struct st_VioSSLConnectorFd* ssl_connector=0; 
+	struct st_VioSSLFd* ssl_connector= 0;
 	struct sockaddr_in sa;
 	Vio* client_vio=0;
 	int err;

vio/test-sslserver.c

@@ -44,7 +44,7 @@ fatal_error(	const char*	r)
 
 typedef struct {
 	int	sd;
-	struct	st_VioSSLAcceptorFd*	ssl_acceptor;
+	struct	st_VioSSLFd*	ssl_acceptor;
 } TH_ARGS;
 
 static void
@@ -82,7 +82,7 @@ main(int argc __attribute__((unused)), char** argv)
 	char	ca_file[] = "../SSL/cacert.pem",
 		*ca_path = 0,
 		*cipher = 0;
-	struct	st_VioSSLAcceptorFd*	ssl_acceptor;
+	struct	st_VioSSLFd*	ssl_acceptor;
 	pthread_t	th;
 	TH_ARGS		th_args;
 

vio/vio.c

@@ -233,3 +233,16 @@ void vio_delete(Vio* vio)
     my_free((gptr) vio,MYF(0));
   }
 }
+
+
+/*
+  Cleanup memory allocated by vio or the
+  components below it when application finish
+
+*/
+void vio_end(void)
+{
+#ifdef HAVE_YASSL
+  yaSSL_CleanUp();
+#endif
+}

vio/viosslfactories.c

@@ -220,7 +220,7 @@ static void check_ssl_init()
 }
 
 /************************ VioSSLFd **********************************/
-struct st_VioSSLFd *
+static struct st_VioSSLFd *
 new_VioSSLFd(const char *key_file, const char *cert_file,
              const char *ca_file, const char *ca_path,
              const char *cipher, SSL_METHOD *method)