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) 1996-2017 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 0x20a0 /* 2.10 */ 33 #define LZO_VERSION_STRING "2.10" 34 #define LZO_VERSION_DATE "Mar 01 2017" 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 <lzo/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 # define LZO_TYPEOF_LZO_INT LZO_TYPEOF___INT64 98 # else 99 typedef lzo_ullong_t lzo_uint; 100 typedef lzo_llong_t lzo_int; 101 # define LZO_TYPEOF_LZO_INT LZO_TYPEOF_LONG_LONG 102 # endif 103 # define LZO_SIZEOF_LZO_INT 8 104 # define LZO_UINT_MAX 0xffffffffffffffffull 105 # define LZO_INT_MAX 9223372036854775807LL 106 # define LZO_INT_MIN (-1LL - LZO_INT_MAX) 107 # elif (LZO_ABI_IP32L64) /* MIPS R5900 */ 108 typedef unsigned int lzo_uint; 109 typedef int lzo_int; 110 # define LZO_SIZEOF_LZO_INT LZO_SIZEOF_INT 111 # define LZO_TYPEOF_LZO_INT LZO_TYPEOF_INT 112 # define LZO_UINT_MAX UINT_MAX 113 # define LZO_INT_MAX INT_MAX 114 # define LZO_INT_MIN INT_MIN 115 # elif (ULONG_MAX >= LZO_0xffffffffL) 116 typedef unsigned long lzo_uint; 117 typedef long lzo_int; 118 # define LZO_SIZEOF_LZO_INT LZO_SIZEOF_LONG 119 # define LZO_TYPEOF_LZO_INT LZO_TYPEOF_LONG 120 # define LZO_UINT_MAX ULONG_MAX 121 # define LZO_INT_MAX LONG_MAX 122 # define LZO_INT_MIN LONG_MIN 123 # else 124 # error "lzo_uint" 125 # endif 126 #endif 127 128 /* The larger type of lzo_uint and lzo_uint32_t. */ 129 #if (LZO_SIZEOF_LZO_INT >= 4) 130 # define lzo_xint lzo_uint 131 #else 132 # define lzo_xint lzo_uint32_t 133 #endif 134 135 typedef int lzo_bool; 136 137 /* sanity checks */ 138 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int) == LZO_SIZEOF_LZO_INT) 139 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == LZO_SIZEOF_LZO_INT) 140 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint)) 141 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint32_t)) 142 143 #ifndef __LZO_MMODEL 144 #define __LZO_MMODEL /*empty*/ 145 #endif 146 147 /* no typedef here because of const-pointer issues */ 148 #define lzo_bytep unsigned char __LZO_MMODEL * 149 #define lzo_charp char __LZO_MMODEL * 150 #define lzo_voidp void __LZO_MMODEL * 151 #define lzo_shortp short __LZO_MMODEL * 152 #define lzo_ushortp unsigned short __LZO_MMODEL * 153 #define lzo_intp lzo_int __LZO_MMODEL * 154 #define lzo_uintp lzo_uint __LZO_MMODEL * 155 #define lzo_xintp lzo_xint __LZO_MMODEL * 156 #define lzo_voidpp lzo_voidp __LZO_MMODEL * 157 #define lzo_bytepp lzo_bytep __LZO_MMODEL * 158 159 #define lzo_int8_tp lzo_int8_t __LZO_MMODEL * 160 #define lzo_uint8_tp lzo_uint8_t __LZO_MMODEL * 161 #define lzo_int16_tp lzo_int16_t __LZO_MMODEL * 162 #define lzo_uint16_tp lzo_uint16_t __LZO_MMODEL * 163 #define lzo_int32_tp lzo_int32_t __LZO_MMODEL * 164 #define lzo_uint32_tp lzo_uint32_t __LZO_MMODEL * 165 #if defined(lzo_int64_t) 166 #define lzo_int64_tp lzo_int64_t __LZO_MMODEL * 167 #define lzo_uint64_tp lzo_uint64_t __LZO_MMODEL * 168 #endif 169 170 /* Older LZO versions used to support ancient systems and memory models 171 * such as 16-bit MSDOS with __huge pointers or Cray PVP, but these 172 * obsolete configurations are not supported any longer. 173 */ 174 #if defined(__LZO_MMODEL_HUGE) 175 #error "__LZO_MMODEL_HUGE memory model is unsupported" 176 #endif 177 #if (LZO_MM_PVP) 178 #error "LZO_MM_PVP memory model is unsupported" 179 #endif 180 #if (LZO_SIZEOF_INT < 4) 181 #error "LZO_SIZEOF_INT < 4 is unsupported" 182 #endif 183 #if (__LZO_UINTPTR_T_IS_POINTER) 184 #error "__LZO_UINTPTR_T_IS_POINTER is unsupported" 185 #endif 186 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(int) >= 4) 187 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) >= 4) 188 /* Strange configurations where sizeof(lzo_uint) != sizeof(size_t) should 189 * work but have not received much testing lately, so be strict here. 190 */ 191 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(size_t)) 192 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(ptrdiff_t)) 193 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(lzo_uintptr_t)) 194 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_uintptr_t)) 195 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_uintptr_t)) 196 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(long *) == sizeof(lzo_uintptr_t)) 197 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_voidp)) 198 LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_bytep)) 199 200 201 /*********************************************************************** 202 // function types 203 ************************************************************************/ 204 205 /* name mangling */ 206 #if !defined(__LZO_EXTERN_C) 207 # ifdef __cplusplus 208 # define __LZO_EXTERN_C extern "C" 209 # else 210 # define __LZO_EXTERN_C extern 211 # endif 212 #endif 213 214 /* calling convention */ 215 #if !defined(__LZO_CDECL) 216 # define __LZO_CDECL __lzo_cdecl 217 #endif 218 219 /* DLL export information */ 220 #if !defined(__LZO_EXPORT1) 221 # define __LZO_EXPORT1 /*empty*/ 222 #endif 223 #if !defined(__LZO_EXPORT2) 224 # define __LZO_EXPORT2 /*empty*/ 225 #endif 226 227 /* __cdecl calling convention for public C and assembly functions */ 228 #if !defined(LZO_PUBLIC) 229 # define LZO_PUBLIC(r) __LZO_EXPORT1 r __LZO_EXPORT2 __LZO_CDECL 230 #endif 231 #if !defined(LZO_EXTERN) 232 # define LZO_EXTERN(r) __LZO_EXTERN_C LZO_PUBLIC(r) 233 #endif 234 #if !defined(LZO_PRIVATE) 235 # define LZO_PRIVATE(r) static r __LZO_CDECL 236 #endif 237 238 /* function types */ 239 typedef int 240 (__LZO_CDECL *lzo_compress_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_decompress_t) ( const 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_optimize_t) ( lzo_bytep src, lzo_uint src_len, 251 lzo_bytep dst, lzo_uintp dst_len, 252 lzo_voidp wrkmem ); 253 254 typedef int 255 (__LZO_CDECL *lzo_compress_dict_t)(const lzo_bytep src, lzo_uint src_len, 256 lzo_bytep dst, lzo_uintp dst_len, 257 lzo_voidp wrkmem, 258 const lzo_bytep dict, lzo_uint dict_len ); 259 260 typedef int 261 (__LZO_CDECL *lzo_decompress_dict_t)(const lzo_bytep src, lzo_uint src_len, 262 lzo_bytep dst, lzo_uintp dst_len, 263 lzo_voidp wrkmem, 264 const lzo_bytep dict, lzo_uint dict_len ); 265 266 267 /* Callback interface. Currently only the progress indicator ("nprogress") 268 * is used, but this may change in a future release. */ 269 270 struct lzo_callback_t; 271 typedef struct lzo_callback_t lzo_callback_t; 272 #define lzo_callback_p lzo_callback_t __LZO_MMODEL * 273 274 /* malloc & free function types */ 275 typedef lzo_voidp (__LZO_CDECL *lzo_alloc_func_t) 276 (lzo_callback_p self, lzo_uint items, lzo_uint size); 277 typedef void (__LZO_CDECL *lzo_free_func_t) 278 (lzo_callback_p self, lzo_voidp ptr); 279 280 /* a progress indicator callback function */ 281 typedef void (__LZO_CDECL *lzo_progress_func_t) 282 (lzo_callback_p, lzo_uint, lzo_uint, int); 283 284 struct lzo_callback_t 285 { 286 /* custom allocators (set to 0 to disable) */ 287 lzo_alloc_func_t nalloc; /* [not used right now] */ 288 lzo_free_func_t nfree; /* [not used right now] */ 289 290 /* a progress indicator callback function (set to 0 to disable) */ 291 lzo_progress_func_t nprogress; 292 293 /* INFO: the first parameter "self" of the nalloc/nfree/nprogress 294 * callbacks points back to this struct, so you are free to store 295 * some extra info in the following variables. */ 296 lzo_voidp user1; 297 lzo_xint user2; 298 lzo_xint user3; 299 }; 300 301 302 /*********************************************************************** 303 // error codes and prototypes 304 ************************************************************************/ 305 306 /* Error codes for the compression/decompression functions. Negative 307 * values are errors, positive values will be used for special but 308 * normal events. 309 */ 310 #define LZO_E_OK 0 311 #define LZO_E_ERROR (-1) 312 #define LZO_E_OUT_OF_MEMORY (-2) /* [lzo_alloc_func_t failure] */ 313 #define LZO_E_NOT_COMPRESSIBLE (-3) /* [not used right now] */ 314 #define LZO_E_INPUT_OVERRUN (-4) 315 #define LZO_E_OUTPUT_OVERRUN (-5) 316 #define LZO_E_LOOKBEHIND_OVERRUN (-6) 317 #define LZO_E_EOF_NOT_FOUND (-7) 318 #define LZO_E_INPUT_NOT_CONSUMED (-8) 319 #define LZO_E_NOT_YET_IMPLEMENTED (-9) /* [not used right now] */ 320 #define LZO_E_INVALID_ARGUMENT (-10) 321 #define LZO_E_INVALID_ALIGNMENT (-11) /* pointer argument is not properly aligned */ 322 #define LZO_E_OUTPUT_NOT_CONSUMED (-12) 323 #define LZO_E_INTERNAL_ERROR (-99) 324 325 326 #ifndef lzo_sizeof_dict_t 327 # define lzo_sizeof_dict_t ((unsigned)sizeof(lzo_bytep)) 328 #endif 329 330 /* lzo_init() should be the first function you call. 331 * Check the return code ! 332 * 333 * lzo_init() is a macro to allow checking that the library and the 334 * compiler's view of various types are consistent. 335 */ 336 #define lzo_init() __lzo_init_v2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\ 337 (int)sizeof(long),(int)sizeof(lzo_uint32_t),(int)sizeof(lzo_uint),\ 338 (int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\ 339 (int)sizeof(lzo_callback_t)) 340 LZO_EXTERN(int) __lzo_init_v2(unsigned,int,int,int,int,int,int,int,int,int); 341 342 /* version functions (useful for shared libraries) */ 343 LZO_EXTERN(unsigned) lzo_version(void); 344 LZO_EXTERN(const char *) lzo_version_string(void); 345 LZO_EXTERN(const char *) lzo_version_date(void); 346 LZO_EXTERN(const lzo_charp) _lzo_version_string(void); 347 LZO_EXTERN(const lzo_charp) _lzo_version_date(void); 348 349 /* string functions */ 350 LZO_EXTERN(int) 351 lzo_memcmp(const lzo_voidp a, const lzo_voidp b, lzo_uint len); 352 LZO_EXTERN(lzo_voidp) 353 lzo_memcpy(lzo_voidp dst, const lzo_voidp src, lzo_uint len); 354 LZO_EXTERN(lzo_voidp) 355 lzo_memmove(lzo_voidp dst, const lzo_voidp src, lzo_uint len); 356 LZO_EXTERN(lzo_voidp) 357 lzo_memset(lzo_voidp buf, int c, lzo_uint len); 358 359 /* checksum functions */ 360 LZO_EXTERN(lzo_uint32_t) 361 lzo_adler32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len); 362 LZO_EXTERN(lzo_uint32_t) 363 lzo_crc32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len); 364 LZO_EXTERN(const lzo_uint32_tp) 365 lzo_get_crc32_table(void); 366 367 /* misc. */ 368 LZO_EXTERN(int) _lzo_config_check(void); 369 typedef union { 370 lzo_voidp a00; lzo_bytep a01; lzo_uint a02; lzo_xint a03; lzo_uintptr_t a04; 371 void *a05; unsigned char *a06; unsigned long a07; size_t a08; ptrdiff_t a09; 372 #if defined(lzo_int64_t) 373 lzo_uint64_t a10; 374 #endif 375 } lzo_align_t; 376 377 /* align a char pointer on a boundary that is a multiple of 'size' */ 378 LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp p, lzo_uint size); 379 #define LZO_PTR_ALIGN_UP(p,size) \ 380 ((p) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(p),(lzo_uint)(size))) 381 382 383 /*********************************************************************** 384 // deprecated macros - only for backward compatibility 385 ************************************************************************/ 386 387 /* deprecated - use 'lzo_bytep' instead of 'lzo_byte *' */ 388 #define lzo_byte unsigned char 389 /* deprecated type names */ 390 #define lzo_int32 lzo_int32_t 391 #define lzo_uint32 lzo_uint32_t 392 #define lzo_int32p lzo_int32_t __LZO_MMODEL * 393 #define lzo_uint32p lzo_uint32_t __LZO_MMODEL * 394 #define LZO_INT32_MAX LZO_INT32_C(2147483647) 395 #define LZO_UINT32_MAX LZO_UINT32_C(4294967295) 396 #if defined(lzo_int64_t) 397 #define lzo_int64 lzo_int64_t 398 #define lzo_uint64 lzo_uint64_t 399 #define lzo_int64p lzo_int64_t __LZO_MMODEL * 400 #define lzo_uint64p lzo_uint64_t __LZO_MMODEL * 401 #define LZO_INT64_MAX LZO_INT64_C(9223372036854775807) 402 #define LZO_UINT64_MAX LZO_UINT64_C(18446744073709551615) 403 #endif 404 /* deprecated types */ 405 typedef union { lzo_bytep a; lzo_uint b; } __lzo_pu_u; 406 typedef union { lzo_bytep a; lzo_uint32_t b; } __lzo_pu32_u; 407 /* deprecated defines */ 408 #if !defined(LZO_SIZEOF_LZO_UINT) 409 # define LZO_SIZEOF_LZO_UINT LZO_SIZEOF_LZO_INT 410 #endif 411 412 #if defined(LZO_CFG_COMPAT) 413 414 #define __LZOCONF_H 1 415 416 #if defined(LZO_ARCH_I086) 417 # define __LZO_i386 1 418 #elif defined(LZO_ARCH_I386) 419 # define __LZO_i386 1 420 #endif 421 422 #if defined(LZO_OS_DOS16) 423 # define __LZO_DOS 1 424 # define __LZO_DOS16 1 425 #elif defined(LZO_OS_DOS32) 426 # define __LZO_DOS 1 427 #elif defined(LZO_OS_WIN16) 428 # define __LZO_WIN 1 429 # define __LZO_WIN16 1 430 #elif defined(LZO_OS_WIN32) 431 # define __LZO_WIN 1 432 #endif 433 434 #define __LZO_CMODEL /*empty*/ 435 #define __LZO_DMODEL /*empty*/ 436 #define __LZO_ENTRY __LZO_CDECL 437 #define LZO_EXTERN_CDECL LZO_EXTERN 438 #define LZO_ALIGN LZO_PTR_ALIGN_UP 439 440 #define lzo_compress_asm_t lzo_compress_t 441 #define lzo_decompress_asm_t lzo_decompress_t 442 443 #endif /* LZO_CFG_COMPAT */ 444 445 446 #ifdef __cplusplus 447 } /* extern "C" */ 448 #endif 449 450 #endif /* already included */ 451 452 453 /* vim:set ts=4 sw=4 et: */ 454