From 114bf777bb81bae31d7c430c1cf63be3f35e2be4 Mon Sep 17 00:00:00 2001
From: Joel Dice <git@seibutsu.mailsnare.net>
Date: Mon, 6 Oct 2008 17:30:07 -0600
Subject: [PATCH] avoid null pointer deref in
 Java_java_io_RandomAccessFile_open

---
 classpath/java-io.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classpath/java-io.cpp b/classpath/java-io.cpp
index b7e29e8058..acb61554f4 100644
--- a/classpath/java-io.cpp
+++ b/classpath/java-io.cpp
@@ -459,7 +459,7 @@ Java_java_io_RandomAccessFile_open(JNIEnv* e, jclass, jstring path,
     jlong peer = reinterpret_cast<jlong>(mapping);
     e->SetLongArrayRegion(result, 0, 1, &peer);
 
-    jlong length = mapping->length;
+    jlong length = (mapping ? mapping->length : 0);
     e->SetLongArrayRegion(result, 1, 1, &length);
 
     e->ReleaseStringUTFChars(path, chars);