From 4839674fdd16da4daa8fcb1bfe0ace7565ccc89f Mon Sep 17 00:00:00 2001
From: Ryan Pessa <ryan@essential-elements.net>
Date: Tue, 27 Jan 2015 10:28:14 -0600
Subject: [PATCH] use temporary var to handle unsigned char -> jbyte (signed
 char)

---
 jnius/jnius_conversion.pxi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/jnius/jnius_conversion.pxi b/jnius/jnius_conversion.pxi
index e41a8d2..00daf96 100644
--- a/jnius/jnius_conversion.pxi
+++ b/jnius/jnius_conversion.pxi
@@ -414,6 +414,7 @@ cdef jobject convert_pyarray_to_java(JNIEnv *j_env, definition, pyarray) except
     cdef jobject ret = NULL
     cdef int array_size = len(pyarray)
     cdef int i
+    cdef unsigned char c_tmp
     cdef jboolean j_boolean
     cdef jbyte j_byte
     cdef jchar j_char
@@ -460,7 +461,8 @@ cdef jobject convert_pyarray_to_java(JNIEnv *j_env, definition, pyarray) except
                 ret, 0, array_size, a_bytes._buf)
         else:
             for i in range(array_size):
-                j_byte = pyarray[i]
+                c_tmp = pyarray[i]
+                j_byte = <signed char>c_tmp
                 j_env[0].SetByteArrayRegion(j_env,
                         ret, i, 1, &j_byte)