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Rev	Author	Line No.	Line
26	pmbaty	1	/* ucl.h -- prototypes for the UCL data compression library
		2
		3	This file is part of the UCL data compression library.
		4
		5	Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
		6	Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
		7	Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
		8	Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
		9	Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
		10	Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
		11	Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
		12	Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
		13	Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
		14	All Rights Reserved.
		15
		16	The UCL library is free software; you can redistribute it and/or
		17	modify it under the terms of the GNU General Public License as
		18	published by the Free Software Foundation; either version 2 of
		19	the License, or (at your option) any later version.
		20
		21	The UCL library is distributed in the hope that it will be useful,
		22	but WITHOUT ANY WARRANTY; without even the implied warranty of
		23	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		24	GNU General Public License for more details.
		25
		26	You should have received a copy of the GNU General Public License
		27	along with the UCL library; see the file COPYING.
		28	If not, write to the Free Software Foundation, Inc.,
		29	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
		30
		31	Markus F.X.J. Oberhumer
		32	<markus@oberhumer.com>
		33	http://www.oberhumer.com/opensource/ucl/
		34	*/
		35
		36
		37	#ifndef __UCL_H_INCLUDED
		38	#define __UCL_H_INCLUDED
		39
		40	#ifndef __UCLCONF_H_INCLUDED
		41	#include <ucl/uclconf.h>
		42	#endif
		43
		44	#ifdef __cplusplus
		45	extern "C" {
		46	#endif
		47
		48
		49	/***********************************************************************
		50	// Compression fine-tuning configuration.
		51	//
		52	// Pass a NULL pointer to the compression functions for default values.
		53	// Otherwise set all values to -1 [i.e. initialize the struct by a
		54	// `memset(x,0xff,sizeof(x))'] and then set the required values.
		55	************************************************************************/
		56
		57	struct ucl_compress_config_t
		58	{
		59	int bb_endian;
		60	int bb_size;
		61	ucl_uint max_offset;
		62	ucl_uint max_match;
		63	int s_level;
		64	int h_level;
		65	int p_level;
		66	int c_flags;
		67	ucl_uint m_size;
		68	};
		69
		70	#define ucl_compress_config_p ucl_compress_config_t __UCL_MMODEL *
		71
		72
		73	/***********************************************************************
		74	// compressors
		75	//
		76	// Pass NULL for `cb' (no progress callback), `conf' (default compression
		77	// configuration) and `result' (no statistical result).
		78	************************************************************************/
		79
		80	UCL_EXTERN(int)
		81	ucl_nrv2b_99_compress ( const ucl_bytep src, ucl_uint src_len,
		82	ucl_bytep dst, ucl_uintp dst_len,
		83	ucl_progress_callback_p cb,
		84	int level,
		85	const struct ucl_compress_config_p conf,
		86	ucl_uintp result );
		87
		88	UCL_EXTERN(int)
		89	ucl_nrv2d_99_compress ( const ucl_bytep src, ucl_uint src_len,
		90	ucl_bytep dst, ucl_uintp dst_len,
		91	ucl_progress_callback_p cb,
		92	int level,
		93	const struct ucl_compress_config_p conf,
		94	ucl_uintp result );
		95
		96	UCL_EXTERN(int)
		97	ucl_nrv2e_99_compress ( const ucl_bytep src, ucl_uint src_len,
		98	ucl_bytep dst, ucl_uintp dst_len,
		99	ucl_progress_callback_p cb,
		100	int level,
		101	const struct ucl_compress_config_p conf,
		102	ucl_uintp result );
		103
		104
		105	/***********************************************************************
		106	// decompressors
		107	//
		108	// Always pass NULL for `wrkmem'. This parameter is for symetry
		109	// with my other compression libaries and is not used in UCL -
		110	// UCL does not need any additional memory (or even local stack space)
		111	// for decompression.
		112	************************************************************************/
		113
		114	UCL_EXTERN(int)
		115	ucl_nrv2b_decompress_8 ( const ucl_bytep src, ucl_uint src_len,
		116	ucl_bytep dst, ucl_uintp dst_len,
		117	ucl_voidp wrkmem );
		118	UCL_EXTERN(int)
		119	ucl_nrv2b_decompress_le16 ( const ucl_bytep src, ucl_uint src_len,
		120	ucl_bytep dst, ucl_uintp dst_len,
		121	ucl_voidp wrkmem );
		122	UCL_EXTERN(int)
		123	ucl_nrv2b_decompress_le32 ( const ucl_bytep src, ucl_uint src_len,
		124	ucl_bytep dst, ucl_uintp dst_len,
		125	ucl_voidp wrkmem );
		126	UCL_EXTERN(int)
		127	ucl_nrv2b_decompress_safe_8 ( const ucl_bytep src, ucl_uint src_len,
		128	ucl_bytep dst, ucl_uintp dst_len,
		129	ucl_voidp wrkmem );
		130	UCL_EXTERN(int)
		131	ucl_nrv2b_decompress_safe_le16 ( const ucl_bytep src, ucl_uint src_len,
		132	ucl_bytep dst, ucl_uintp dst_len,
		133	ucl_voidp wrkmem );
		134	UCL_EXTERN(int)
		135	ucl_nrv2b_decompress_safe_le32 ( const ucl_bytep src, ucl_uint src_len,
		136	ucl_bytep dst, ucl_uintp dst_len,
		137	ucl_voidp wrkmem );
		138
		139	UCL_EXTERN(int)
		140	ucl_nrv2d_decompress_8 ( const ucl_bytep src, ucl_uint src_len,
		141	ucl_bytep dst, ucl_uintp dst_len,
		142	ucl_voidp wrkmem );
		143	UCL_EXTERN(int)
		144	ucl_nrv2d_decompress_le16 ( const ucl_bytep src, ucl_uint src_len,
		145	ucl_bytep dst, ucl_uintp dst_len,
		146	ucl_voidp wrkmem );
		147	UCL_EXTERN(int)
		148	ucl_nrv2d_decompress_le32 ( const ucl_bytep src, ucl_uint src_len,
		149	ucl_bytep dst, ucl_uintp dst_len,
		150	ucl_voidp wrkmem );
		151	UCL_EXTERN(int)
		152	ucl_nrv2d_decompress_safe_8 ( const ucl_bytep src, ucl_uint src_len,
		153	ucl_bytep dst, ucl_uintp dst_len,
		154	ucl_voidp wrkmem );
		155	UCL_EXTERN(int)
		156	ucl_nrv2d_decompress_safe_le16 ( const ucl_bytep src, ucl_uint src_len,
		157	ucl_bytep dst, ucl_uintp dst_len,
		158	ucl_voidp wrkmem );
		159	UCL_EXTERN(int)
		160	ucl_nrv2d_decompress_safe_le32 ( const ucl_bytep src, ucl_uint src_len,
		161	ucl_bytep dst, ucl_uintp dst_len,
		162	ucl_voidp wrkmem );
		163
		164	UCL_EXTERN(int)
		165	ucl_nrv2e_decompress_8 ( const ucl_bytep src, ucl_uint src_len,
		166	ucl_bytep dst, ucl_uintp dst_len,
		167	ucl_voidp wrkmem );
		168	UCL_EXTERN(int)
		169	ucl_nrv2e_decompress_le16 ( const ucl_bytep src, ucl_uint src_len,
		170	ucl_bytep dst, ucl_uintp dst_len,
		171	ucl_voidp wrkmem );
		172	UCL_EXTERN(int)
		173	ucl_nrv2e_decompress_le32 ( const ucl_bytep src, ucl_uint src_len,
		174	ucl_bytep dst, ucl_uintp dst_len,
		175	ucl_voidp wrkmem );
		176	UCL_EXTERN(int)
		177	ucl_nrv2e_decompress_safe_8 ( const ucl_bytep src, ucl_uint src_len,
		178	ucl_bytep dst, ucl_uintp dst_len,
		179	ucl_voidp wrkmem );
		180	UCL_EXTERN(int)
		181	ucl_nrv2e_decompress_safe_le16 ( const ucl_bytep src, ucl_uint src_len,
		182	ucl_bytep dst, ucl_uintp dst_len,
		183	ucl_voidp wrkmem );
		184	UCL_EXTERN(int)
		185	ucl_nrv2e_decompress_safe_le32 ( const ucl_bytep src, ucl_uint src_len,
		186	ucl_bytep dst, ucl_uintp dst_len,
		187	ucl_voidp wrkmem );
		188
		189
		190	/***********************************************************************
		191	// assembler decompressors [TO BE ADDED]
		192	************************************************************************/
		193
		194
		195	/***********************************************************************
		196	// test an overlapping in-place decompression within a buffer:
		197	// - try a virtual decompression from &buf[src_off] -> &buf[0]
		198	// - no data is actually written
		199	// - only the bytes at buf[src_off..src_off+src_len-1] will get accessed
		200	//
		201	// NOTE: always pass NULL for `wrkmem' - see above.
		202	************************************************************************/
		203
		204	UCL_EXTERN(int)
		205	ucl_nrv2b_test_overlap_8 ( const ucl_bytep buf, ucl_uint src_off,
		206	ucl_uint src_len, ucl_uintp dst_len,
		207	ucl_voidp wrkmem );
		208	UCL_EXTERN(int)
		209	ucl_nrv2b_test_overlap_le16 ( const ucl_bytep buf, ucl_uint src_off,
		210	ucl_uint src_len, ucl_uintp dst_len,
		211	ucl_voidp wrkmem );
		212	UCL_EXTERN(int)
		213	ucl_nrv2b_test_overlap_le32 ( const ucl_bytep buf, ucl_uint src_off,
		214	ucl_uint src_len, ucl_uintp dst_len,
		215	ucl_voidp wrkmem );
		216
		217	UCL_EXTERN(int)
		218	ucl_nrv2d_test_overlap_8 ( const ucl_bytep buf, ucl_uint src_off,
		219	ucl_uint src_len, ucl_uintp dst_len,
		220	ucl_voidp wrkmem );
		221	UCL_EXTERN(int)
		222	ucl_nrv2d_test_overlap_le16 ( const ucl_bytep buf, ucl_uint src_off,
		223	ucl_uint src_len, ucl_uintp dst_len,
		224	ucl_voidp wrkmem );
		225	UCL_EXTERN(int)
		226	ucl_nrv2d_test_overlap_le32 ( const ucl_bytep buf, ucl_uint src_off,
		227	ucl_uint src_len, ucl_uintp dst_len,
		228	ucl_voidp wrkmem );
		229
		230	UCL_EXTERN(int)
		231	ucl_nrv2e_test_overlap_8 ( const ucl_bytep buf, ucl_uint src_off,
		232	ucl_uint src_len, ucl_uintp dst_len,
		233	ucl_voidp wrkmem );
		234	UCL_EXTERN(int)
		235	ucl_nrv2e_test_overlap_le16 ( const ucl_bytep buf, ucl_uint src_off,
		236	ucl_uint src_len, ucl_uintp dst_len,
		237	ucl_voidp wrkmem );
		238	UCL_EXTERN(int)
		239	ucl_nrv2e_test_overlap_le32 ( const ucl_bytep buf, ucl_uint src_off,
		240	ucl_uint src_len, ucl_uintp dst_len,
		241	ucl_voidp wrkmem );
		242
		243
		244	#ifdef __cplusplus
		245	} /* extern "C" */
		246	#endif
		247
		248	#endif /* already included */
		249

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QNX 8.QNX8 IFS tool//libucl/include/ucl/ucl.h – Rev 26