[Minor] Add unreachable code macro

diff --git a/config.h.in b/config.h.in
index c52506f8ec765bf05389b7b0980be4836e9f89c2..74f694f888ba5a7ca0fc5e78d9f58ba89c5ba460 100644 (file)
--- a/config.h.in
+++ b/config.h.in
@@ -444,6 +444,12 @@ extern uint64_t ottery_rand_uint64(void);
 #define RSPAMD_CONST_FUNCTION
 #endif
 
+#ifdef __GNUC__
+#define RSPAMD_UNREACHABLE __builtin_unreachable()
+#else
+#define RSPAMD_UNREACHABLE abort()
+#endif
+
 #define HAVE_OPENSSL             1
 #define HAVE_MATH_H              1