Merge pull request #3 from ESP32Async/version

Introduce AsyncTCPVersion.h to more easily manage and use library version

Author: me-no-dev

src/AsyncTCP.h

@@ -22,10 +22,7 @@
 #ifndef ASYNCTCP_H_
 #define ASYNCTCP_H_
 
-#define ASYNCTCP_VERSION          "3.3.2"
-#define ASYNCTCP_VERSION_MAJOR    3
-#define ASYNCTCP_VERSION_MINOR    3
-#define ASYNCTCP_VERSION_REVISION 2
+#include "AsyncTCPVersion.h"
 #define ASYNCTCP_FORK_ESP32Async
 
 #include "IPAddress.h"

src/AsyncTCPVersion.h

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Major version number (X.x.x) */
+#define ASYNCTCP_VERSION_MAJOR 3
+/** Minor version number (x.X.x) */
+#define ASYNCTCP_VERSION_MINOR 3
+/** Patch version number (x.x.X) */
+#define ASYNCTCP_VERSION_PATCH 2
+
+/**
+ * Macro to convert version number into an integer
+ *
+ * To be used in comparisons, such as ASYNCTCP_VERSION >= ASYNCTCP_VERSION_VAL(2, 0, 0)
+ */
+#define ASYNCTCP_VERSION_VAL(major, minor, patch) ((major << 16) | (minor << 8) | (patch))
+
+/**
+ * Current version, as an integer
+ *
+ * To be used in comparisons, such as ASYNCTCP_VERSION_NUM >= ASYNCTCP_VERSION_VAL(2, 0, 0)
+ */
+#define ASYNCTCP_VERSION_NUM ASYNCTCP_VERSION_VAL(ASYNCTCP_VERSION_MAJOR, ASYNCTCP_VERSION_MINOR, ASYNCTCP_VERSION_PATCH)
+
+/**
+ * Current version, as string
+ */
+#define df2xstr(s)       #s
+#define df2str(s)        df2xstr(s)
+#define ASYNCTCP_VERSION df2str(ASYNCTCP_VERSION_MAJOR) "." df2str(ASYNCTCP_VERSION_MINOR) "." df2str(ASYNCTCP_VERSION_PATCH)
+
+#ifdef __cplusplus
+}
+#endif