fix: Use size_t for counts of objects

src/net/address.hpp

@@ -353,7 +353,7 @@ static constexpr int inet6_aton(const char (&str)[N], struct in6_addr &in6)
         return -1;
     }
 
-    for (unsigned i = 0; i < comps.size(); i++) {
+    for (size_t i = 0; i < comps.size(); i++) {
         // We have reached the end of the string before parsing all the components.
         // That is possible only if we have previously encountered a shortener token.
         if (idx == N - 1) {

src/net/async_server.hpp

@@ -31,8 +31,8 @@ public:
 
 private:
     auto_fd socket;
-    std::atomic_uint32_t number_of_connected_clients;
-    unsigned int max_number_of_simulataneusly_allowed_clients;
+    std::atomic_size_t number_of_connected_clients;
+    size_t max_number_of_simulataneusly_allowed_clients;
 
     accept_handler_type on_accept;
     accept_handler_type on_overflow;
@@ -103,7 +103,7 @@ public:
      * @brief Get the current number of connected clients.
      * @return  The number of connected clients
      */
-    [[nodiscard]] inline unsigned int get_number_of_connected_clients() const {
+    [[nodiscard]] inline size_t get_number_of_connected_clients() const {
         return this->number_of_connected_clients;
     }
     
@@ -114,7 +114,7 @@ public:
      * @brief Set the maximum allowed simultaneus connections.
      * @param max_connections The maximum number of allowed connections.
      */
-    inline void set_maximum_concurrent_connections(unsigned int max_connections) {
+    inline void set_maximum_concurrent_connections(size_t max_connections) {
         this->max_number_of_simulataneusly_allowed_clients = max_connections;
     }