Signed-off-by: Tomek Grabiec <[email protected]>
---
include/vm/jni.h | 1 +
vm/jni-interface.c | 12 +++++++++++-
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/include/vm/jni.h b/include/vm/jni.h
index 3b8acea..5512b26 100644
--- a/include/vm/jni.h
+++ b/include/vm/jni.h
@@ -39,6 +39,7 @@ typedef uint64_t jdouble;
typedef jint jsize;
typedef struct vm_object *jobject;
+typedef jobject jarray;
typedef jobject jclass;
typedef jobject jthrowable;
typedef struct vm_field *jfieldID;
diff --git a/vm/jni-interface.c b/vm/jni-interface.c
index a3d367e..5766af6 100644
--- a/vm/jni-interface.c
+++ b/vm/jni-interface.c
@@ -788,6 +788,16 @@ vm_jni_new_object_array(struct vm_jni_env *env, jsize size,
return array;
}
+static jsize vm_jni_get_array_length(struct vm_jni_env *env, jarray array)
+{
+ if (!vm_class_is_array_class(array->class)) {
+ warn("argument is not an array");
+ return 0;
+ }
+
+ return array->array_length;
+}
+
/*
* The JNI native interface table.
* See: http://java.sun.com/j2se/1.4.2/docs/guide/jni/spec/functions.html
@@ -1033,7 +1043,7 @@ void *vm_jni_native_interface[] = {
/* 170 */
vm_release_string_utf_chars,
- NULL, /* GetArrayLength */
+ vm_jni_get_array_length,
vm_jni_new_object_array,
NULL, /* GetObjectArrayElement */
NULL, /* SetObjectArrayElement */
--
1.6.0.6
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