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diff --git a/src/ceph/src/common/mime.h b/src/ceph/src/common/mime.h
new file mode 100644
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--- /dev/null
+++ b/src/ceph/src/common/mime.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_COMMON_MIME_H
+#define CEPH_COMMON_MIME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Encode a buffer as quoted-printable.
+ *
+ * The input is a null-terminated string.
+ * The output is a null-terminated string representing the input encoded as
+ * a MIME quoted-printable.
+ *
+ * Returns the length of the buffer we would need to do the encoding.
+ * If we don't have enough buffer space, the output will be truncated.
+ *
+ * You may call mime_encode_as_qp(input, NULL, 0) to find the size of the
+ * buffer you will need.
+ */
+signed int mime_encode_as_qp(const char *input, char *output, int outlen);
+
+/* Decode a quoted-printable buffer.
+ *
+ * The input is a null-terminated string encoded as a MIME quoted-printable.
+ * The output is a null-terminated string representing the input decoded.
+ *
+ * Returns a negative error code if the input is not a valid quoted-printable
+ * buffer.
+ * Returns the length of the buffer we would need to do the encoding.
+ * If we don't have enough buffer space, the output will be truncated.
+ *
+ * You may call mime_decode_as_qp(input, NULL, 0) to find the size of the
+ * buffer you will need. The output will never be longer than the input for
+ * this function.
+ */
+signed int mime_decode_from_qp(const char *input, char *output, int outlen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif