#ifndef __LZO_H__

#define __LZO_H__

/*

 *  LZO Public Kernel Interface

 *  A mini subset of the LZO real-time data compression library

 *

 *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@oberhumer.com>

 *

 *  The full LZO package can be found at:

 *  http://www.oberhumer.com/opensource/lzo/

 *

 *  Changed for Linux kernel use by:

 *  Nitin Gupta <nitingupta910@gmail.com>

 *  Richard Purdie <rpurdie@openedhand.com>

 */

#define LZO1X_1_MEM_COMPRESS (8192 * sizeof(unsigned short))

#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS

#define lzo1x_worst_compress(x) ((x) + ((x) / 16) + 64 + 3)

/* This requires 'wrkmem' of size LZO1X_1_MEM_COMPRESS */

int lzo1x_1_compress(const unsigned char *src, size_t src_len,

                     unsigned char *dst, size_t *dst_len, void *wrkmem);

/* safe decompression with overrun testing */

int lzo1x_decompress_safe(const unsigned char *src, size_t src_len,

                          unsigned char *dst, size_t *dst_len);

/*

 * Return values (< 0 = Error)

 */

#define LZO_E_OK                  0

#define LZO_E_ERROR               (-1)

#define LZO_E_OUT_OF_MEMORY       (-2)

#define LZO_E_NOT_COMPRESSIBLE    (-3)

#define LZO_E_INPUT_OVERRUN       (-4)

#define LZO_E_OUTPUT_OVERRUN      (-5)

#define LZO_E_LOOKBEHIND_OVERRUN  (-6)

#define LZO_E_EOF_NOT_FOUND       (-7)

#define LZO_E_INPUT_NOT_CONSUMED  (-8)

#define LZO_E_NOT_YET_IMPLEMENTED (-9)

#define LZO_E_INVALID_ARGUMENT    (-10)

#endif