From 417b0295be1dcea6a229400ad795618c39d9045e Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Sun, 12 May 2019 23:35:19 +0200
Subject: [PATCH] Add C++ compatibility

---
 m-core.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/m-core.h b/m-core.h
index 03bc4d7b..62a316c0 100644
--- a/m-core.h
+++ b/m-core.h
@@ -2577,6 +2577,22 @@ typedef enum m_serial_return_code_e {
  M_SERIAL_OK_DONE = 0, M_SERIAL_OK_CONTINUE = 1, M_SERIAL_FAIL = 2
 } m_serial_return_code_t;
 
+#if defined(__cplusplus)
+// C++ doesn't allow mixing enum and integer, so we provided overloaded operators.
+inline void operator|(m_serial_return_code_t &a, m_serial_return_code_t b)
+{
+  a = static_cast<m_serial_return_code_t>(static_cast<int>(a) | static_cast<int>(b));
+}
+inline m_serial_return_code_t operator|=(m_serial_return_code_t a, m_serial_return_code_t b)
+{
+  return static_cast<m_serial_return_code_t>(static_cast<int>(a) | static_cast<int>(b));
+}
+inline m_serial_return_code_t operator&(m_serial_return_code_t a, m_serial_return_code_t b)
+{
+  return static_cast<m_serial_return_code_t>(static_cast<int>(a) & static_cast<int>(b));
+}
+#endif
+
 /* Maximum data size of a serializator structure
  * Can be overloaded by user */
 #ifndef M_SERIAL_MAX_DATA_SIZE