1 /* lzoconf.h -- configuration of the LZO data compression library
3 This file is part of the LZO real-time data compression library.
5 Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
6 Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
7 Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
8 Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
9 Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
10 Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
11 Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
12 Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
13 Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
14 Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
15 Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
16 Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
17 Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
18 Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
19 Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
20 Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
23 The LZO library is free software; you can redistribute it and/or
24 modify it under the terms of the GNU General Public License as
25 published by the Free Software Foundation; either version 2 of
26 the License, or (at your option) any later version.
28 The LZO library is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
33 You should have received a copy of the GNU General Public License
34 along with the LZO library; see the file COPYING.
35 If not, write to the Free Software Foundation, Inc.,
36 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
38 Markus F.X.J. Oberhumer
39 <markus@oberhumer.com>
40 http://www.oberhumer.com/opensource/lzo/
44 #ifndef __LZOCONF_H_INCLUDED
45 #define __LZOCONF_H_INCLUDED 1
47 #define LZO_VERSION 0x2050
48 #define LZO_VERSION_STRING "2.05"
49 #define LZO_VERSION_DATE "Apr 23 2011"
51 /* internal Autoconf configuration file - only used when building LZO */
52 #if defined(LZO_HAVE_CONFIG_H)
59 /***********************************************************************
60 // LZO requires a conforming <limits.h>
61 ************************************************************************/
63 #if !defined(CHAR_BIT) || (CHAR_BIT != 8)
64 # error "invalid CHAR_BIT"
66 #if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX)
67 # error "check your compiler installation"
69 #if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1)
70 # error "your limits.h macros are broken"
73 /* get OS and architecture defines */
74 #ifndef __LZODEFS_H_INCLUDED
84 /***********************************************************************
86 ************************************************************************/
88 #if !defined(LZO_UINT32_C)
89 # if (UINT_MAX < LZO_0xffffffffL)
90 # define LZO_UINT32_C(c) c ## UL
92 # define LZO_UINT32_C(c) ((c) + 0U)
97 #if !defined(__LZO_CHECKER)
98 # if defined(__BOUNDS_CHECKING_ON)
99 # define __LZO_CHECKER 1
100 # elif defined(__CHECKER__)
101 # define __LZO_CHECKER 1
102 # elif defined(__INSURE__)
103 # define __LZO_CHECKER 1
104 # elif defined(__PURIFY__)
105 # define __LZO_CHECKER 1
110 /***********************************************************************
111 // integral and pointer types
112 ************************************************************************/
114 /* lzo_uint should match size_t */
115 #if !defined(LZO_UINT_MAX)
116 # if defined(LZO_ABI_LLP64) /* WIN64 */
117 # if defined(LZO_OS_WIN64)
118 typedef unsigned __int64 lzo_uint
;
119 typedef __int64 lzo_int
;
121 typedef unsigned long long lzo_uint
;
122 typedef long long lzo_int
;
124 # define LZO_UINT_MAX 0xffffffffffffffffull
125 # define LZO_INT_MAX 9223372036854775807LL
126 # define LZO_INT_MIN (-1LL - LZO_INT_MAX)
127 # elif defined(LZO_ABI_IP32L64) /* MIPS R5900 */
128 typedef unsigned int lzo_uint
;
130 # define LZO_UINT_MAX UINT_MAX
131 # define LZO_INT_MAX INT_MAX
132 # define LZO_INT_MIN INT_MIN
133 # elif (ULONG_MAX >= LZO_0xffffffffL)
134 typedef unsigned long lzo_uint
;
135 typedef long lzo_int
;
136 # define LZO_UINT_MAX ULONG_MAX
137 # define LZO_INT_MAX LONG_MAX
138 # define LZO_INT_MIN LONG_MIN
144 /* Integral types with 32 bits or more. */
145 #if !defined(LZO_UINT32_MAX)
146 # if (UINT_MAX >= LZO_0xffffffffL)
147 typedef unsigned int lzo_uint32
;
148 typedef int lzo_int32
;
149 # define LZO_UINT32_MAX UINT_MAX
150 # define LZO_INT32_MAX INT_MAX
151 # define LZO_INT32_MIN INT_MIN
152 # elif (ULONG_MAX >= LZO_0xffffffffL)
153 typedef unsigned long lzo_uint32
;
154 typedef long lzo_int32
;
155 # define LZO_UINT32_MAX ULONG_MAX
156 # define LZO_INT32_MAX LONG_MAX
157 # define LZO_INT32_MIN LONG_MIN
163 /* Integral types with exactly 64 bits. */
164 #if !defined(LZO_UINT64_MAX)
165 # if (LZO_UINT_MAX >= LZO_0xffffffffL)
166 # if ((((LZO_UINT_MAX) >> 31) >> 31) == 3)
167 # define lzo_uint64 lzo_uint
168 # define lzo_int64 lzo_int
169 # define LZO_UINT64_MAX LZO_UINT_MAX
170 # define LZO_INT64_MAX LZO_INT_MAX
171 # define LZO_INT64_MIN LZO_INT_MIN
173 # elif (ULONG_MAX >= LZO_0xffffffffL)
174 # if ((((ULONG_MAX) >> 31) >> 31) == 3)
175 typedef unsigned long lzo_uint64
;
176 typedef long lzo_int64
;
177 # define LZO_UINT64_MAX ULONG_MAX
178 # define LZO_INT64_MAX LONG_MAX
179 # define LZO_INT64_MIN LONG_MIN
184 /* The larger type of lzo_uint and lzo_uint32. */
185 #if (LZO_UINT_MAX >= LZO_UINT32_MAX)
186 # define lzo_xint lzo_uint
188 # define lzo_xint lzo_uint32
191 /* Memory model that allows to access memory at offsets of lzo_uint. */
192 #if !defined(__LZO_MMODEL)
193 # if (LZO_UINT_MAX <= UINT_MAX)
194 # define __LZO_MMODEL /*empty*/
195 # elif defined(LZO_HAVE_MM_HUGE_PTR)
196 # define __LZO_MMODEL_HUGE 1
197 # define __LZO_MMODEL __huge
199 # define __LZO_MMODEL /*empty*/
203 /* no typedef here because of const-pointer issues */
204 #define lzo_bytep unsigned char __LZO_MMODEL *
205 #define lzo_charp char __LZO_MMODEL *
206 #define lzo_voidp void __LZO_MMODEL *
207 #define lzo_shortp short __LZO_MMODEL *
208 #define lzo_ushortp unsigned short __LZO_MMODEL *
209 #define lzo_uint32p lzo_uint32 __LZO_MMODEL *
210 #define lzo_int32p lzo_int32 __LZO_MMODEL *
211 #if defined(LZO_UINT64_MAX)
212 #define lzo_uint64p lzo_uint64 __LZO_MMODEL *
213 #define lzo_int64p lzo_int64 __LZO_MMODEL *
215 #define lzo_uintp lzo_uint __LZO_MMODEL *
216 #define lzo_intp lzo_int __LZO_MMODEL *
217 #define lzo_xintp lzo_xint __LZO_MMODEL *
218 #define lzo_voidpp lzo_voidp __LZO_MMODEL *
219 #define lzo_bytepp lzo_bytep __LZO_MMODEL *
220 /* deprecated - use 'lzo_bytep' instead of 'lzo_byte *' */
221 #define lzo_byte unsigned char __LZO_MMODEL
223 typedef int lzo_bool
;
226 /***********************************************************************
228 ************************************************************************/
231 #if !defined(__LZO_EXTERN_C)
233 # define __LZO_EXTERN_C extern "C"
235 # define __LZO_EXTERN_C extern
239 /* calling convention */
240 #if !defined(__LZO_CDECL)
241 # define __LZO_CDECL __lzo_cdecl
244 /* DLL export information */
245 #if !defined(__LZO_EXPORT1)
246 # define __LZO_EXPORT1 /*empty*/
248 #if !defined(__LZO_EXPORT2)
249 # define __LZO_EXPORT2 /*empty*/
252 /* __cdecl calling convention for public C and assembly functions */
253 #if !defined(LZO_PUBLIC)
254 # define LZO_PUBLIC(_rettype) __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL
256 #if !defined(LZO_EXTERN)
257 # define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype)
259 #if !defined(LZO_PRIVATE)
260 # define LZO_PRIVATE(_rettype) static _rettype __LZO_CDECL
265 (__LZO_CDECL
*lzo_compress_t
) ( const lzo_bytep src
, lzo_uint src_len
,
266 lzo_bytep dst
, lzo_uintp dst_len
,
270 (__LZO_CDECL
*lzo_decompress_t
) ( const lzo_bytep src
, lzo_uint src_len
,
271 lzo_bytep dst
, lzo_uintp dst_len
,
275 (__LZO_CDECL
*lzo_optimize_t
) ( lzo_bytep src
, lzo_uint src_len
,
276 lzo_bytep dst
, lzo_uintp dst_len
,
280 (__LZO_CDECL
*lzo_compress_dict_t
)(const lzo_bytep src
, lzo_uint src_len
,
281 lzo_bytep dst
, lzo_uintp dst_len
,
283 const lzo_bytep dict
, lzo_uint dict_len
);
286 (__LZO_CDECL
*lzo_decompress_dict_t
)(const lzo_bytep src
, lzo_uint src_len
,
287 lzo_bytep dst
, lzo_uintp dst_len
,
289 const lzo_bytep dict
, lzo_uint dict_len
);
292 /* Callback interface. Currently only the progress indicator ("nprogress")
293 * is used, but this may change in a future release. */
295 struct lzo_callback_t
;
296 typedef struct lzo_callback_t lzo_callback_t
;
297 #define lzo_callback_p lzo_callback_t __LZO_MMODEL *
299 /* malloc & free function types */
300 typedef lzo_voidp (__LZO_CDECL
*lzo_alloc_func_t
)
301 (lzo_callback_p self
, lzo_uint items
, lzo_uint size
);
302 typedef void (__LZO_CDECL
*lzo_free_func_t
)
303 (lzo_callback_p self
, lzo_voidp ptr
);
305 /* a progress indicator callback function */
306 typedef void (__LZO_CDECL
*lzo_progress_func_t
)
307 (lzo_callback_p
, lzo_uint
, lzo_uint
, int);
309 struct lzo_callback_t
311 /* custom allocators (set to 0 to disable) */
312 lzo_alloc_func_t nalloc
; /* [not used right now] */
313 lzo_free_func_t nfree
; /* [not used right now] */
315 /* a progress indicator callback function (set to 0 to disable) */
316 lzo_progress_func_t nprogress
;
318 /* NOTE: the first parameter "self" of the nalloc/nfree/nprogress
319 * callbacks points back to this struct, so you are free to store
320 * some extra info in the following variables. */
327 /***********************************************************************
328 // error codes and prototypes
329 ************************************************************************/
331 /* Error codes for the compression/decompression functions. Negative
332 * values are errors, positive values will be used for special but
336 #define LZO_E_ERROR (-1)
337 #define LZO_E_OUT_OF_MEMORY (-2) /* [lzo_alloc_func_t failure] */
338 #define LZO_E_NOT_COMPRESSIBLE (-3) /* [not used right now] */
339 #define LZO_E_INPUT_OVERRUN (-4)
340 #define LZO_E_OUTPUT_OVERRUN (-5)
341 #define LZO_E_LOOKBEHIND_OVERRUN (-6)
342 #define LZO_E_EOF_NOT_FOUND (-7)
343 #define LZO_E_INPUT_NOT_CONSUMED (-8)
344 #define LZO_E_NOT_YET_IMPLEMENTED (-9) /* [not used right now] */
345 #define LZO_E_INVALID_ARGUMENT (-10)
348 #ifndef lzo_sizeof_dict_t
349 # define lzo_sizeof_dict_t ((unsigned)sizeof(lzo_bytep))
352 /* lzo_init() should be the first function you call.
353 * Check the return code !
355 * lzo_init() is a macro to allow checking that the library and the
356 * compiler's view of various types are consistent.
358 #define lzo_init() __lzo_init_v2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\
359 (int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\
360 (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\
361 (int)sizeof(lzo_callback_t))
362 LZO_EXTERN(int) __lzo_init_v2(unsigned,int,int,int,int,int,int,int,int,int);
364 /* version functions (useful for shared libraries) */
365 LZO_EXTERN(unsigned) lzo_version(void);
366 LZO_EXTERN(const char *) lzo_version_string(void);
367 LZO_EXTERN(const char *) lzo_version_date(void);
368 LZO_EXTERN(const lzo_charp
) _lzo_version_string(void);
369 LZO_EXTERN(const lzo_charp
) _lzo_version_date(void);
371 /* string functions */
373 lzo_memcmp(const lzo_voidp a
, const lzo_voidp b
, lzo_uint len
);
374 LZO_EXTERN(lzo_voidp
)
375 lzo_memcpy(lzo_voidp dst
, const lzo_voidp src
, lzo_uint len
);
376 LZO_EXTERN(lzo_voidp
)
377 lzo_memmove(lzo_voidp dst
, const lzo_voidp src
, lzo_uint len
);
378 LZO_EXTERN(lzo_voidp
)
379 lzo_memset(lzo_voidp buf
, int c
, lzo_uint len
);
381 /* checksum functions */
382 LZO_EXTERN(lzo_uint32
)
383 lzo_adler32(lzo_uint32 c
, const lzo_bytep buf
, lzo_uint len
);
384 LZO_EXTERN(lzo_uint32
)
385 lzo_crc32(lzo_uint32 c
, const lzo_bytep buf
, lzo_uint len
);
386 LZO_EXTERN(const lzo_uint32p
)
387 lzo_get_crc32_table(void);
390 LZO_EXTERN(int) _lzo_config_check(void);
391 typedef union { lzo_bytep p
; lzo_uint u
; } __lzo_pu_u
;
392 typedef union { lzo_bytep p
; lzo_uint32 u32
; } __lzo_pu32_u
;
393 typedef union { void *vp
; lzo_bytep bp
; lzo_uint u
; lzo_uint32 u32
; unsigned long l
; } lzo_align_t
;
395 /* align a char pointer on a boundary that is a multiple of 'size' */
396 LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp p
, lzo_uint size
);
397 #define LZO_PTR_ALIGN_UP(p,size) \
398 ((p) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(p),(lzo_uint)(size)))
401 /***********************************************************************
402 // deprecated macros - only for backward compatibility with LZO v1.xx
403 ************************************************************************/
405 #if defined(LZO_CFG_COMPAT)
407 #define __LZOCONF_H 1
409 #if defined(LZO_ARCH_I086)
410 # define __LZO_i386 1
411 #elif defined(LZO_ARCH_I386)
412 # define __LZO_i386 1
415 #if defined(LZO_OS_DOS16)
417 # define __LZO_DOS16 1
418 #elif defined(LZO_OS_DOS32)
420 #elif defined(LZO_OS_WIN16)
422 # define __LZO_WIN16 1
423 #elif defined(LZO_OS_WIN32)
427 #define __LZO_CMODEL /*empty*/
428 #define __LZO_DMODEL /*empty*/
429 #define __LZO_ENTRY __LZO_CDECL
430 #define LZO_EXTERN_CDECL LZO_EXTERN
431 #define LZO_ALIGN LZO_PTR_ALIGN_UP
433 #define lzo_compress_asm_t lzo_compress_t
434 #define lzo_decompress_asm_t lzo_decompress_t
436 #endif /* LZO_CFG_COMPAT */
443 #endif /* already included */
446 /* vim:set ts=4 et: */