Added a virtual destructor to the Sock class, which would allow Server and Client to override it

connect_code.cpp

@@ -11,8 +11,10 @@ namespace connect_code {
 	 /* Tokenizes a string, based on the given delimiter */
 	std::vector<std::string> tokenize_str(std::string str, std::string delim) {
 		std::vector<std::string> result;
-		char* c_str = str.data();
-		char* c_delim = delim.data();
+		/* &str[0] is used to convert an std::string to a char*. I tried using string.data(),
+		but that appears to return a const char*.  */
+		char* c_str = &str[0];
+		char* c_delim = &delim[0];
 
 		char* tok = strtok(c_str, c_delim);
 		while (tok != NULL) {

easysock.cpp

@@ -59,7 +59,7 @@ SOCKET create_socket(int network, char transport) {
 }
 
 
-int create_addr(int network, char* address, int port,struct sockaddr* dest) {
+int create_addr(int network, const char* address, int port,struct sockaddr* dest) {
 	if (network == 4) {
 		struct sockaddr_in listen_address;
 		
@@ -83,7 +83,7 @@ int create_addr(int network, char* address, int port,struct sockaddr* dest) {
 		
 }
 
-SOCKET create_local (int network, char transport, char* address, int port,struct sockaddr* addr_struct) {
+SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr* addr_struct) {
 	int socket = create_socket(network,transport);
 	if (socket < 0) {
 		return (-1 * errno);
@@ -109,7 +109,7 @@ SOCKET create_local (int network, char transport, char* address, int port,struct
 	return socket;
 }
 
-SOCKET create_remote (int network,char transport,char* address,int port,struct sockaddr* remote_addr_struct) {
+SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr* remote_addr_struct) {
 
 	struct addrinfo hints;  /* Used to tell getaddrinfo what kind of address we want */
 	struct addrinfo* results; /* Used by getaddrinfo to store the addresses */

includes/easysock.hpp

@@ -44,7 +44,7 @@ and dest is a pointer to the sockaddr struct that will be filled in.
 The function returns with -202 if the network parameter contained neither '4'
 nor '6'. */
 
-int create_addr(int network, char* address, int port,struct sockaddr* dest);
+int create_addr(int network, const char* address, int port,struct sockaddr* dest);
 
 
 
@@ -54,7 +54,7 @@ same as above.
 
 It prints the error returned by 'bind' if something went wrong, and returns ( -1 * errno ).*/
 
-SOCKET create_local (int network, char transport, char* address, int port,struct sockaddr* addr_struct);
+SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr* addr_struct);
 
 
 /* This function utilizes the same functions as 'create_local' but _connects_ to the
@@ -63,7 +63,7 @@ as above. This function needs an empty 'sockaddr *' structure passed to it, whic
 
 If something goes wrong, this function returns with ( -1 * errno ). */
 
-SOCKET create_remote (int network,char transport,char* address,int port,struct sockaddr* remote_addr_struct);
+SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr* remote_addr_struct);
 
 /* check_ip_ver - This function checks if the given string is an IPv4 address (returns 4), 
 IPv6 address (returns 6) or neither (returns -1). */

includes/sock.hpp

@@ -34,6 +34,9 @@ public:
 	/* Default constructor */
 	Sock() {}
 
+	/* Virtual destructor */
+	virtual ~Sock();
+
 	/* Regular constructor - defined in sock.cpp */
 	Sock(int ip_ver, char protocol, const char* address, int port);
 

sock.cpp

@@ -13,6 +13,10 @@ void Sock::create_socket()  {
 	addrlen = sizeof(*dest);
 }
 
+/* Virtual destructor, allows 'Server' and 'Client' to override this destructor */
+Sock::~Sock() {}
+
+
 /* Constructor - This function initializes the object attributes with the given
 parameters. It throws an exception if an IPv4 address was given, but the type
 given is IPv6 (or the other way around). */