From c4570430226b86b95c63e61bf6c2977891c2d9e2 Mon Sep 17 00:00:00 2001
From: Norman Maurer <norman_maurer@apple.com>
Date: Mon, 4 Sep 2023 10:24:02 +0200
Subject: [PATCH] Add macro for deleting local references

---
 src/main/c/netty_jni_util.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main/c/netty_jni_util.h b/src/main/c/netty_jni_util.h
index cd29766..bba3f50 100644
--- a/src/main/c/netty_jni_util.h
+++ b/src/main/c/netty_jni_util.h
@@ -88,6 +88,13 @@
         }                                                       \
     NETTY_JNI_UTIL_END_MACRO
 
+#define NETTY_JNI_UTIL_DELETE_LOCAL(E, L)   \
+    NETTY_JNI_UTIL_BEGIN_MACRO              \
+        if (L != NULL) {                    \
+            (*(E))->DeleteLocalRef((E), L); \
+        }                                   \
+    NETTY_JNI_UTIL_END_MACRO
+
 #define NETTY_JNI_UTIL_GET_METHOD(E, C, M, N, S, R) \
     NETTY_JNI_UTIL_BEGIN_MACRO                      \
         M = (*(E))->GetMethodID((E), C, N, S);      \