1 files changed, 17 insertions, 1 deletions
diff --git a/native/jni/jni_common.h b/native/jni/jni_common.h
index c502fa3a8..dbf6d3e19 100644
--- a/native/jni/jni_common.h
+++ b/native/jni/jni_common.h
@@ -18,13 +18,29 @@
 #ifndef LATINIME_JNI_COMMON_H
 #define LATINIME_JNI_COMMON_H
 
+#include <stdlib.h>
+
 #include "jni.h"
 
 namespace latinime {
 
-int registerNativeMethods(JNIEnv* env, const char* className, JNINativeMethod* methods,
+int registerNativeMethods(JNIEnv *env, const char *className, JNINativeMethod *methods,
         int numMethods);
 
+inline jint *safeGetIntArrayElements(JNIEnv *env, jintArray jArray) {
+    if (jArray) {
+        return env->GetIntArrayElements(jArray, NULL);
+    } else {
+        return NULL;
+    }
+}
+
+inline void safeReleaseIntArrayElements(JNIEnv *env, jintArray jArray, jint *cArray) {
+    if (jArray) {
+        env->ReleaseIntArrayElements(jArray, cArray, 0);
+    }
+}
+
 } // namespace latinime
 
 #endif // LATINIME_JNI_COMMON_H