diff --git a/jni/libucommon/sources/commoncpp/strchar.cpp b/jni/libucommon/sources/commoncpp/strchar.cpp
new file mode 100644
index 0000000..3b85064
--- /dev/null
+++ b/jni/libucommon/sources/commoncpp/strchar.cpp
@@ -0,0 +1,134 @@
+// Copyright (C) 1999-2005 Open Source Telecom Corporation.
+// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+//
+// This exception applies only to the code released under the name GNU
+// Common C++.  If you copy code from other releases into a copy of GNU
+// Common C++, as the General Public License permits, the exception does
+// not apply to the code that you add in this way.  To avoid misleading
+// anyone as to the status of such modified files, you must delete
+// this exception notice from them.
+//
+// If you write modifications of your own for GNU Common C++, it is your choice
+// whether to permit this exception to apply to your modifications.
+// If you do not wish that, delete this exception notice.
+//
+
+#include <ucommon-config.h>
+#include <ctype.h>
+#include <commoncpp/config.h>
+#include <commoncpp/export.h>
+#include <commoncpp/string.h>
+#include <commoncpp/numbers.h>
+
+NAMESPACE_COMMONCPP
+
+char *newString(const char *src, size_t size)
+{
+    char *dest;
+
+    if(!size)
+        size = strlen(src) + 1;
+
+    dest = new char[size];
+    return setString(dest, size, src);
+}
+
+void delString(char *str)
+{
+    delete[] str;
+}
+
+char *setUpper(char *string, size_t size)
+{
+    char *ret = string;
+
+    if(!size)
+        size = strlen(string);
+
+    while(size && *string) {
+        *string = toupper(*string);
+        ++string;
+        --size;
+    }
+
+    return ret;
+}
+
+char *setLower(char *string, size_t size)
+{
+    char *ret = string;
+
+    if(!size)
+        size = strlen(string);
+
+    while(size && *string) {
+        *string = tolower(*string);
+        ++string;
+        --size;
+    }
+
+    return ret;
+}
+
+char *rsetField(char *dest, size_t size, const char *src, const char fill)
+{
+    size_t len = 0;
+
+    if(src)
+        len = strlen(src);
+
+    if(len > size)
+        len = size;
+
+    if(len)
+        memmove(dest + size - len, (void *)src, len);
+
+    if(len < size && fill)
+        memset(dest, fill, size - len);
+
+    return dest;
+}
+
+char *lsetField(char *dest, size_t size, const char *src, const char fill)
+{
+    size_t len = 0;
+
+    if(src)
+        len = strlen(src);
+
+    if(len > size)
+        len = size;
+
+    if(len)
+        memmove(dest, src, len);
+
+    if(len < size && fill)
+        memset(dest + len, fill, size - len);
+
+    return dest;
+}
+
+END_NAMESPACE