From b07502a5a49f33a2ea8ab65a038365a30d3610bc Mon Sep 17 00:00:00 2001
From: Klaus Reimer <k@ailis.de>
Date: Sun, 30 Jan 2011 14:56:27 +0100
Subject: [PATCH] Added missing usb_strerror function.

---
 src/main/c/src/USB.c                     | 13 +++++++++++++
 src/main/java/de/ailis/usb4java/USB.java |  9 +++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/main/c/src/USB.c b/src/main/c/src/USB.c
index acf2d09..83bb368 100644
--- a/src/main/c/src/USB.c
+++ b/src/main/c/src/USB.c
@@ -344,3 +344,16 @@ JNIEXPORT jint JNICALL METHOD_NAME(USB, usb_1interrupt_1read)
     return usb_interrupt_read(unwrap_usb_dev_handle(env, handle),
         ep, buf, buflen, timeout);
 }
+
+
+/**
+ * string usb_strerror()
+ */
+
+JNIEXPORT jstring JNICALL METHOD_NAME(USB, usb_1strerror)
+(
+    JNIEnv *env, jclass class
+)
+{
+    return (*env)->NewStringUTF(env, usb_strerror());
+}
diff --git a/src/main/java/de/ailis/usb4java/USB.java b/src/main/java/de/ailis/usb4java/USB.java
index 3f2240c..23b088c 100644
--- a/src/main/java/de/ailis/usb4java/USB.java
+++ b/src/main/java/de/ailis/usb4java/USB.java
@@ -755,4 +755,13 @@ public final class USB
 
     public static native int usb_interrupt_read(final USB_Dev_Handle handle,
         final int ep, final ByteBuffer bytes, final int timeout);
+
+
+    /**
+     * Returns the last error message.
+     *
+     * @return The last error message.
+     */
+
+    public static native String usb_strerror();
 }