1 /* lzoconf.h -- configuration of the LZO data compression library 2 3 This file is part of the LZO real-time data compression library. 4 5 Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer 6 All Rights Reserved. 7 8 The LZO library is free software; you can redistribute it and/or 9 modify it under the terms of the GNU General Public License as 10 published by the Free Software Foundation; either version 2 of 11 the License, or (at your option) any later version. 12 13 The LZO library is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with the LZO library; see the file COPYING. 20 If not, write to the Free Software Foundation, Inc., 21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 22 23 Markus F.X.J. Oberhumer 24 <markus@oberhumer.com> 25 http://www.oberhumer.com/opensource/lzo/ 26 */ 27 28 29 #ifndef __LZOCONF_H_INCLUDED 30 #define __LZOCONF_H_INCLUDED 1 31 32 #define LZO_VERSION 0x2070 33 #define LZO_VERSION_STRING "2.07" 34 #define LZO_VERSION_DATE "Jun 25 2014" 35 36 /* internal Autoconf configuration file - only used when building LZO */ 37 #if defined(LZO_HAVE_CONFIG_H) 38 # include <config.h> 39 #endif 40 #include <limits.h> 41 #include <stddef.h> 42 43 44 /*********************************************************************** 45 // LZO requires a conforming <limits.h> 46 ************************************************************************/ 47 48 #if !defined(CHAR_BIT) || (CHAR_BIT != 8) 49 # error "invalid CHAR_BIT" 50 #endif 51 #if !defined(UCHAR_MAX) || !defined(USHRT_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX) 52 # error "check your compiler installation" 53 #endif 54 #if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1) 55 # error "your limits.h macros are broken" 56 #endif 57 58 /* get OS and architecture defines */ 59 #ifndef __LZODEFS_H_INCLUDED 60 #include "lzodefs.h" 61 #endif 62 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 69 /*********************************************************************** 70 // some core defines 71 ************************************************************************/ 72 73 /* memory checkers */ 74 #if !defined(__LZO_CHECKER) 75 # if defined(__BOUNDS_CHECKING_ON) 76 # define __LZO_CHECKER 1 77 # elif defined(__CHECKER__) 78 # define __LZO_CHECKER 1 79 # elif defined(__INSURE__) 80 # define __LZO_CHECKER 1 81 # elif defined(__PURIFY__) 82 # define __LZO_CHECKER 1 83 # endif 84 #endif 85 86 87 /*********************************************************************** 88 // integral and pointer types 89 ************************************************************************/ 90 91 /* lzo_uint must match size_t */ 92 #if !defined(LZO_UINT_MAX) 93 # if (LZO_ABI_LLP64) 94 # if (LZO_OS_WIN64) 95 typedef unsigned __int64 lzo_uint; 96 typedef __int64 lzo_int; 97 # else 98 typedef lzo_ullong_t lzo_uint; 99 typedef lzo_llong_t lzo_int; 100 # endif 101 # define LZO_SIZEOF_LZO_UINT 8 102 # define LZO_UINT_MAX 0xffffffffffffffffull 103 # define LZO_INT_MAX 9223372036854775807LL 104 # define LZO_INT_MIN (-1LL - LZO_INT_MAX) 105 # elif (LZO_ABI_IP32L64) /* MIPS R5900 */ 106 typedef unsigned int lzo_uint; 107 typedef int lzo_int; 108 # define LZO_SIZEOF_LZO_UINT LZO_SIZEOF_INT 109 # define LZO_UINT_MAX UINT_MAX 110 # define LZO_INT_MAX INT_MAX 111 # define LZO_INT_MIN INT_MIN 112 # elif (ULONG_MAX >= LZO_0xffffffffL) 113 typedef unsigned long lzo_uint; 114 typedef long lzo_int; 115 # define LZO_SIZEOF_LZO_UINT LZO_SIZEOF_LONG 116 # define LZO_UINT_MAX ULONG_MAX 117 # define LZO_INT_MAX LONG_MAX 118 # define LZO_INT_MIN LONG_MIN 119 # else 120 # error "lzo_uint" 121 # endif 122 #endif 123 124 /* The larger type of lzo_uint and lzo_uint32_t. */ 125 #if (LZO_SIZEOF_LZO_UINT >= 4) 126 # define lzo_xint lzo_uint 127 #else 128 # define lzo_xint lzo_uint32_t 129 #endif 130 131 typedef int lzo_bool; 132 133 /* sanity checks */ 134 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == LZO_SIZEOF_LZO_UINT) 135 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint)) 136 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint32_t)) 137 138 #ifndef __LZO_MMODEL 139 #define __LZO_MMODEL /*empty*/ 140 #endif 141 142 /* no typedef here because of const-pointer issues */ 143 #define lzo_bytep unsigned char __LZO_MMODEL * 144 #define lzo_charp char __LZO_MMODEL * 145 #define lzo_voidp void __LZO_MMODEL * 146 #define lzo_shortp short __LZO_MMODEL * 147 #define lzo_ushortp unsigned short __LZO_MMODEL * 148 #define lzo_intp lzo_int __LZO_MMODEL * 149 #define lzo_uintp lzo_uint __LZO_MMODEL * 150 #define lzo_xintp lzo_xint __LZO_MMODEL * 151 #define lzo_voidpp lzo_voidp __LZO_MMODEL * 152 #define lzo_bytepp lzo_bytep __LZO_MMODEL * 153 154 #define lzo_int8_tp lzo_int8_t __LZO_MMODEL * 155 #define lzo_uint8_tp lzo_uint8_t __LZO_MMODEL * 156 #define lzo_int16_tp lzo_int16_t __LZO_MMODEL * 157 #define lzo_uint16_tp lzo_uint16_t __LZO_MMODEL * 158 #define lzo_int32_tp lzo_int32_t __LZO_MMODEL * 159 #define lzo_uint32_tp lzo_uint32_t __LZO_MMODEL * 160 #if defined(lzo_int64_t) 161 #define lzo_int64_tp lzo_int64_t __LZO_MMODEL * 162 #define lzo_uint64_tp lzo_uint64_t __LZO_MMODEL * 163 #endif 164 165 /* Older LZO versions used to support ancient systems and memory models 166 * like 16-bit MSDOS with __huge pointers and Cray PVP, but these 167 * obsolete configurations are not supported any longer. 168 */ 169 #if defined(__LZO_MMODEL_HUGE) 170 #error "__LZO_MMODEL_HUGE is unsupported" 171 #endif 172 #if (LZO_MM_PVP) 173 #error "LZO_MM_PVP is unsupported" 174 #endif 175 #if (LZO_SIZEOF_INT < 4) 176 #error "LZO_SIZEOF_INT < 4 is unsupported" 177 #endif 178 #if (__LZO_UINTPTR_T_IS_POINTER) 179 #error "__LZO_UINTPTR_T_IS_POINTER is unsupported" 180 #endif 181 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(int) >= 4) 182 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) >= 4) 183 /* Strange configurations where sizeof(lzo_uint) != sizeof(size_t) should 184 * work but have not received much testing lately, so be strict here. 185 */ 186 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(size_t)) 187 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(ptrdiff_t)) 188 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(lzo_uintptr_t)) 189 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_uintptr_t)) 190 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_uintptr_t)) 191 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(long *) == sizeof(lzo_uintptr_t)) 192 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_voidp)) 193 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_bytep)) 194 195 196 /*********************************************************************** 197 // function types 198 ************************************************************************/ 199 200 /* name mangling */ 201 #if !defined(__LZO_EXTERN_C) 202 # ifdef __cplusplus 203 # define __LZO_EXTERN_C extern "C" 204 # else 205 # define __LZO_EXTERN_C extern 206 # endif 207 #endif 208 209 /* calling convention */ 210 #if !defined(__LZO_CDECL) 211 # define __LZO_CDECL __lzo_cdecl 212 #endif 213 214 /* DLL export information */ 215 #if !defined(__LZO_EXPORT1) 216 # define __LZO_EXPORT1 /*empty*/ 217 #endif 218 #if !defined(__LZO_EXPORT2) 219 # define __LZO_EXPORT2 /*empty*/ 220 #endif 221 222 /* __cdecl calling convention for public C and assembly functions */ 223 #if !defined(LZO_PUBLIC) 224 # define LZO_PUBLIC(_rettype) __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_CDECL 225 #endif 226 #if !defined(LZO_EXTERN) 227 # define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype) 228 #endif 229 #if !defined(LZO_PRIVATE) 230 # define LZO_PRIVATE(_rettype) static _rettype __LZO_CDECL 231 #endif 232 233 /* function types */ 234 typedef int 235 (__LZO_CDECL *lzo_compress_t) ( const lzo_bytep src, lzo_uint src_len, 236 lzo_bytep dst, lzo_uintp dst_len, 237 lzo_voidp wrkmem ); 238 239 typedef int 240 (__LZO_CDECL *lzo_decompress_t) ( const lzo_bytep src, lzo_uint src_len, 241 lzo_bytep dst, lzo_uintp dst_len, 242 lzo_voidp wrkmem ); 243 244 typedef int 245 (__LZO_CDECL *lzo_optimize_t) ( lzo_bytep src, lzo_uint src_len, 246 lzo_bytep dst, lzo_uintp dst_len, 247 lzo_voidp wrkmem ); 248 249 typedef int 250 (__LZO_CDECL *lzo_compress_dict_t)(const lzo_bytep src, lzo_uint src_len, 251 lzo_bytep dst, lzo_uintp dst_len, 252 lzo_voidp wrkmem, 253 const lzo_bytep dict, lzo_uint dict_len ); 254 255 typedef int 256 (__LZO_CDECL *lzo_decompress_dict_t)(const lzo_bytep src, lzo_uint src_len, 257 lzo_bytep dst, lzo_uintp dst_len, 258 lzo_voidp wrkmem, 259 const lzo_bytep dict, lzo_uint dict_len ); 260 261 262 /* Callback interface. Currently only the progress indicator ("nprogress") 263 * is used, but this may change in a future release. */ 264 265 struct lzo_callback_t; 266 typedef struct lzo_callback_t lzo_callback_t; 267 #define lzo_callback_p lzo_callback_t __LZO_MMODEL * 268 269 /* malloc & free function types */ 270 typedef lzo_voidp (__LZO_CDECL *lzo_alloc_func_t) 271 (lzo_callback_p self, lzo_uint items, lzo_uint size); 272 typedef void (__LZO_CDECL *lzo_free_func_t) 273 (lzo_callback_p self, lzo_voidp ptr); 274 275 /* a progress indicator callback function */ 276 typedef void (__LZO_CDECL *lzo_progress_func_t) 277 (lzo_callback_p, lzo_uint, lzo_uint, int); 278 279 struct lzo_callback_t 280 { 281 /* custom allocators (set to 0 to disable) */ 282 lzo_alloc_func_t nalloc; /* [not used right now] */ 283 lzo_free_func_t nfree; /* [not used right now] */ 284 285 /* a progress indicator callback function (set to 0 to disable) */ 286 lzo_progress_func_t nprogress; 287 288 /* INFO: the first parameter "self" of the nalloc/nfree/nprogress 289 * callbacks points back to this struct, so you are free to store 290 * some extra info in the following variables. */ 291 lzo_voidp user1; 292 lzo_xint user2; 293 lzo_xint user3; 294 }; 295 296 297 /*********************************************************************** 298 // error codes and prototypes 299 ************************************************************************/ 300 301 /* Error codes for the compression/decompression functions. Negative 302 * values are errors, positive values will be used for special but 303 * normal events. 304 */ 305 #define LZO_E_OK 0 306 #define LZO_E_ERROR (-1) 307 #define LZO_E_OUT_OF_MEMORY (-2) /* [lzo_alloc_func_t failure] */ 308 #define LZO_E_NOT_COMPRESSIBLE (-3) /* [not used right now] */ 309 #define LZO_E_INPUT_OVERRUN (-4) 310 #define LZO_E_OUTPUT_OVERRUN (-5) 311 #define LZO_E_LOOKBEHIND_OVERRUN (-6) 312 #define LZO_E_EOF_NOT_FOUND (-7) 313 #define LZO_E_INPUT_NOT_CONSUMED (-8) 314 #define LZO_E_NOT_YET_IMPLEMENTED (-9) /* [not used right now] */ 315 #define LZO_E_INVALID_ARGUMENT (-10) 316 #define LZO_E_INVALID_ALIGNMENT (-11) /* pointer argument is not properly aligned */ 317 #define LZO_E_OUTPUT_NOT_CONSUMED (-12) 318 #define LZO_E_INTERNAL_ERROR (-99) 319 320 321 #ifndef lzo_sizeof_dict_t 322 # define lzo_sizeof_dict_t ((unsigned)sizeof(lzo_bytep)) 323 #endif 324 325 /* lzo_init() should be the first function you call. 326 * Check the return code ! 327 * 328 * lzo_init() is a macro to allow checking that the library and the 329 * compiler's view of various types are consistent. 330 */ 331 #define lzo_init() __lzo_init_v2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ 332 (int)sizeof(long),(int)sizeof(lzo_uint32_t),(int)sizeof(lzo_uint),\ 333 (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ 334 (int)sizeof(lzo_callback_t)) 335 LZO_EXTERN(int) __lzo_init_v2(unsigned,int,int,int,int,int,int,int,int,int); 336 337 /* version functions (useful for shared libraries) */ 338 LZO_EXTERN(unsigned) lzo_version(void); 339 LZO_EXTERN(const char *) lzo_version_string(void); 340 LZO_EXTERN(const char *) lzo_version_date(void); 341 LZO_EXTERN(const lzo_charp) _lzo_version_string(void); 342 LZO_EXTERN(const lzo_charp) _lzo_version_date(void); 343 344 /* string functions */ 345 LZO_EXTERN(int) 346 lzo_memcmp(const lzo_voidp a, const lzo_voidp b, lzo_uint len); 347 LZO_EXTERN(lzo_voidp) 348 lzo_memcpy(lzo_voidp dst, const lzo_voidp src, lzo_uint len); 349 LZO_EXTERN(lzo_voidp) 350 lzo_memmove(lzo_voidp dst, const lzo_voidp src, lzo_uint len); 351 LZO_EXTERN(lzo_voidp) 352 lzo_memset(lzo_voidp buf, int c, lzo_uint len); 353 354 /* checksum functions */ 355 LZO_EXTERN(lzo_uint32_t) 356 lzo_adler32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len); 357 LZO_EXTERN(lzo_uint32_t) 358 lzo_crc32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len); 359 LZO_EXTERN(const lzo_uint32_tp) 360 lzo_get_crc32_table(void); 361 362 /* misc. */ 363 LZO_EXTERN(int) _lzo_config_check(void); 364 typedef union { 365 lzo_voidp a00; lzo_bytep a01; lzo_uint a02; lzo_xint a03; lzo_uintptr_t a04; 366 void *a05; unsigned char *a06; unsigned long a07; size_t a08; ptrdiff_t a09; 367 #if defined(lzo_int64_t) 368 lzo_uint64_t a10; 369 #endif 370 } lzo_align_t; 371 372 /* align a char pointer on a boundary that is a multiple of 'size' */ 373 LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp p, lzo_uint size); 374 #define LZO_PTR_ALIGN_UP(p,size) \ 375 ((p) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(p),(lzo_uint)(size))) 376 377 378 /*********************************************************************** 379 // deprecated macros - only for backward compatibility 380 ************************************************************************/ 381 382 /* deprecated - use 'lzo_bytep' instead of 'lzo_byte *' */ 383 #define lzo_byte unsigned char 384 /* deprecated type names */ 385 #define lzo_int32 lzo_int32_t 386 #define lzo_uint32 lzo_uint32_t 387 #define lzo_int32p lzo_int32_t __LZO_MMODEL * 388 #define lzo_uint32p lzo_uint32_t __LZO_MMODEL * 389 #define LZO_INT32_MAX LZO_INT32_C(2147483647) 390 #define LZO_UINT32_MAX LZO_UINT32_C(4294967295) 391 #if defined(lzo_int64_t) 392 #define lzo_int64 lzo_int64_t 393 #define lzo_uint64 lzo_uint64_t 394 #define lzo_int64p lzo_int64_t __LZO_MMODEL * 395 #define lzo_uint64p lzo_uint64_t __LZO_MMODEL * 396 #define LZO_INT64_MAX LZO_INT64_C(9223372036854775807) 397 #define LZO_UINT64_MAX LZO_UINT64_C(18446744073709551615) 398 #endif 399 /* deprecated types */ 400 typedef union { lzo_bytep a; lzo_uint b; } __lzo_pu_u; 401 typedef union { lzo_bytep a; lzo_uint32_t b; } __lzo_pu32_u; 402 403 #if defined(LZO_CFG_COMPAT) 404 405 #define __LZOCONF_H 1 406 407 #if defined(LZO_ARCH_I086) 408 # define __LZO_i386 1 409 #elif defined(LZO_ARCH_I386) 410 # define __LZO_i386 1 411 #endif 412 413 #if defined(LZO_OS_DOS16) 414 # define __LZO_DOS 1 415 # define __LZO_DOS16 1 416 #elif defined(LZO_OS_DOS32) 417 # define __LZO_DOS 1 418 #elif defined(LZO_OS_WIN16) 419 # define __LZO_WIN 1 420 # define __LZO_WIN16 1 421 #elif defined(LZO_OS_WIN32) 422 # define __LZO_WIN 1 423 #endif 424 425 #define __LZO_CMODEL /*empty*/ 426 #define __LZO_DMODEL /*empty*/ 427 #define __LZO_ENTRY __LZO_CDECL 428 #define LZO_EXTERN_CDECL LZO_EXTERN 429 #define LZO_ALIGN LZO_PTR_ALIGN_UP 430 431 #define lzo_compress_asm_t lzo_compress_t 432 #define lzo_decompress_asm_t lzo_decompress_t 433 434 #endif /* LZO_CFG_COMPAT */ 435 436 437 #ifdef __cplusplus 438 } /* extern "C" */ 439 #endif 440 441 #endif /* already included */ 442 443 444 /* vim:set ts=4 et: */ 445