diff --git a/native/src/debug.h b/native/src/debug.h
new file mode 100644
index 0000000..e5572e1
--- /dev/null
+++ b/native/src/debug.h
@@ -0,0 +1,58 @@
+/*
+**
+** Copyright 2011, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef LATINIME_DEBUG_H
+#define LATINIME_DEBUG_H
+
+#include "defines.h"
+
+static inline unsigned char* convertToUnibyteString(unsigned short* input, unsigned char* output,
+        const unsigned int length) {
+    int i = 0;
+    for (; i <= length && input[i] != 0; ++i)
+        output[i] = input[i] & 0xFF;
+    output[i] = 0;
+    return output;
+}
+static inline unsigned char* convertToUnibyteStringAndReplaceLastChar(unsigned short* input,
+        unsigned char* output, const unsigned int length, unsigned char c) {
+    int i = 0;
+    for (; i <= length && input[i] != 0; ++i)
+        output[i] = input[i] & 0xFF;
+    output[i-1] = c;
+    output[i] = 0;
+    return output;
+}
+static inline void LOGI_S16(unsigned short* string, const unsigned int length) {
+    unsigned char tmp_buffer[length];
+    convertToUnibyteString(string, tmp_buffer, length);
+    LOGI(">> %s", tmp_buffer);
+    // The log facility is throwing out log that comes too fast. The following
+    // is a dirty way of slowing down processing so that we can see all log.
+    // TODO : refactor this in a blocking log or something.
+    // usleep(10);
+}
+static inline void LOGI_S16_PLUS(unsigned short* string, const unsigned int length,
+        unsigned char c) {
+    unsigned char tmp_buffer[length+1];
+    convertToUnibyteStringAndReplaceLastChar(string, tmp_buffer, length, c);
+    LOGI(">> %s", tmp_buffer);
+    // Likewise
+    // usleep(10);
+}
+
+#endif // LATINIME_DEBUG_H