Replace all include guards by #pragma once

It’s $CURRENT_YEAR

louloulibs/network/credentials_manager.hpp

@@ -1,5 +1,4 @@
-#ifndef BIBOUMI_CREDENTIALS_MANAGER_HPP
-#define BIBOUMI_CREDENTIALS_MANAGER_HPP
+#pragma once
 
 #include "louloulibs.h"
 
@@ -37,4 +36,4 @@ private:
 };
 
 #endif //BOTAN_FOUND
-#endif //BIBOUMI_CREDENTIALS_MANAGER_HPP
+

louloulibs/network/dns_handler.hpp

@@ -1,5 +1,4 @@
-#ifndef DNS_HANDLER_HPP_INCLUDED
-#define DNS_HANDLER_HPP_INCLUDED
+#pragma once
 
 #include <louloulibs.h>
 #ifdef CARES_FOUND
@@ -56,4 +55,3 @@ private:
 };
 
 #endif /* CARES_FOUND */
-#endif /* DNS_HANDLER_HPP_INCLUDED */

louloulibs/network/dns_socket_handler.hpp

@@ -1,5 +1,4 @@
-#ifndef DNS_SOCKET_HANDLER_HPP
-# define DNS_SOCKET_HANDLER_HPP
+#pragma once
 
 #include <louloulibs.h>
 #ifdef CARES_FOUND
@@ -44,4 +43,3 @@ private:
 };
 
 #endif // CARES_FOUND
-#endif // DNS_SOCKET_HANDLER_HPP

louloulibs/network/poller.hpp

@@ -1,5 +1,5 @@
-#ifndef POLLER_INCLUDED
-# define POLLER_INCLUDED
+#pragma once
+
 
 #include <network/socket_handler.hpp>
 
@@ -91,4 +91,4 @@ private:
 #endif
 };
 
-#endif // POLLER_INCLUDED
+

louloulibs/network/resolver.hpp

@@ -1,5 +1,5 @@
-#ifndef RESOLVER_HPP_INCLUDED
-#define RESOLVER_HPP_INCLUDED
+#pragma once
+
 
 #include "louloulibs.h"
 
@@ -125,4 +125,4 @@ private:
 
 std::string addr_to_string(const struct addrinfo* rp);
 
-#endif /* RESOLVER_HPP_INCLUDED */
+

louloulibs/network/socket_handler.hpp

@@ -1,5 +1,4 @@
-#ifndef SOCKET_HANDLER_HPP
-# define SOCKET_HANDLER_HPP
+#pragma once
 
 #include <louloulibs.h>
 #include <memory>
@@ -41,4 +40,3 @@ protected:
   socket_t socket;
 };
 
-#endif // SOCKET_HANDLER_HPP

louloulibs/network/tcp_socket_handler.hpp

@@ -1,5 +1,5 @@
-#ifndef SOCKET_HANDLER_INCLUDED
-# define SOCKET_HANDLER_INCLUDED
+#pragma once
+
 
 #include "louloulibs.h"
 
@@ -270,5 +270,5 @@ private:
 #endif // BOTAN_FOUND
 };
 
-#endif // SOCKET_HANDLER_INCLUDED
+