feat(Network): Add packed.hpp for network structs

CMakeLists.txt

@@ -26,6 +26,7 @@ set(SOURCES
 
 set(HEADERS
     Flakkari/Logger/Logger.hpp
+    Flakkari/Network/packed.hpp
     Flakkari/Network/Address.hpp
     Flakkari/Network/Buffer.hpp
     Flakkari/Network/Socket.hpp
@@ -52,6 +53,7 @@ set(HEADER_LIB_LOGGER
 )
 
 set(HEADER_LIB_NETWORK
+    Flakkari/Network/packed.hpp
     Flakkari/Network/Address.hpp
     Flakkari/Network/Buffer.hpp
     Flakkari/Network/Socket.hpp
@@ -146,6 +148,7 @@ include(CPack)
 # Create a dynamic library for the Network components
 set(SOURCES_LIB_NETWORK
     Flakkari/Logger/Logger.cpp
+    Flakkari/Network/packed.hpp
     Flakkari/Network/Address.cpp
     Flakkari/Network/Buffer.cpp
     Flakkari/Network/Socket.cpp

Flakkari/Network/packed.hpp

@@ -0,0 +1,54 @@
+/**************************************************************************
+ * Flakkari Library v0.2.0
+ *
+ * Flakkari Library is a C++ Library for Network.
+ * @file packed.hpp
+ * @brief packed header. Contains PACKED macros.
+ *        (PACKED_START, PACKED_END, PACKED)
+ *
+ * @details PACKED_START and PACKED_END macros are used to pack structs:
+ *        PACKED_<_> macros are used to pack structs:
+ *          PACKED_START struct _ {}; PACKED_END
+ *        PACKED macros are used to pack structs:
+ *          struct _ {} PACKED;
+ *
+ * Flakkari Library is under MIT License.
+ * https://opensource.org/licenses/MIT
+ * © 2023 @MasterLaplace
+ * @version 0.2.0
+ * @date 2023-01-10
+ **************************************************************************/
+
+
+#ifndef PACKED_HPP_
+    #define PACKED_HPP_
+
+#ifdef _MSC_VER
+#define PACKED_START __pragma(pack(push, 1))
+#define PACKED_END __pragma(pack(pop))
+#else
+#define PACKED_START _Pragma("pack(1)")
+#define PACKED_END _Pragma("pack()")
+#endif
+
+#if __GNUC__
+#define __PACKED __attribute__((packed))
+
+#define PACKED(name, body)      \
+do {                            \
+    struct name body __PACKED;  \
+} while (0)
+
+#else
+
+#define PACKED(name, body)  \
+do {                        \
+    PACKED_START            \
+    struct name             \
+    body;                   \
+    PACKED_END              \
+} while (0)
+
+#endif
+
+#endif /* !PACKED_HPP_ */