/* lzo_conf.h -- main internal configuration file for the the LZO library This file is part of the LZO real-time data compression library. Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The LZO library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the LZO library; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Markus F.X.J. Oberhumer <markus@oberhumer.com> http://www.oberhumer.com/opensource/lzo/ */ /* WARNING: this file should *not* be used by applications. It is part of the implementation of the library and is subject to change. */ #ifndef __LZO_CONF_H #define __LZO_CONF_H 1 #if !defined(__LZO_IN_MINILZO) #if defined(LZO_CFG_FREESTANDING) && (LZO_CFG_FREESTANDING) # define LZO_LIBC_FREESTANDING 1 # define LZO_OS_FREESTANDING 1 #endif #if defined(LZO_CFG_EXTRA_CONFIG_HEADER) # include LZO_CFG_EXTRA_CONFIG_HEADER #endif #if defined(__LZOCONF_H) || defined(__LZOCONF_H_INCLUDED) # error "include this file first" #endif #include "lzo/lzoconf.h" #if defined(LZO_CFG_EXTRA_CONFIG_HEADER2) # include LZO_CFG_EXTRA_CONFIG_HEADER2 #endif #endif #if (LZO_VERSION < 0x2070) || !defined(__LZOCONF_H_INCLUDED) # error "version mismatch" #endif /*********************************************************************** // pragmas ************************************************************************/ #if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1100)) /* disable bogus "unreachable code" warnings */ # pragma warning(disable: 4702) #endif #if (LZO_CC_MSC && (_MSC_VER >= 1000)) # pragma warning(disable: 4127 4701) /* disable warnings about inlining */ # pragma warning(disable: 4514 4710 4711) #endif #if (LZO_CC_MSC && (_MSC_VER >= 1300)) /* disable '-Wall' warnings in system header files */ # pragma warning(disable: 4820) #endif #if (LZO_CC_MSC && (_MSC_VER >= 1800)) /* disable '-Wall' warnings in system header files */ # pragma warning(disable: 4746) #endif #if (LZO_CC_SUNPROC) #if !defined(__cplusplus) # pragma error_messages(off,E_END_OF_LOOP_CODE_NOT_REACHED) # pragma error_messages(off,E_LOOP_NOT_ENTERED_AT_TOP) # pragma error_messages(off,E_STATEMENT_NOT_REACHED) #endif #endif /*********************************************************************** // ************************************************************************/ #if defined(__LZO_IN_MINILZO) || (LZO_CFG_FREESTANDING) #elif 1 # include <string.h> #else # define LZO_WANT_ACC_INCD_H 1 #endif #if defined(LZO_HAVE_CONFIG_H) # define LZO_CFG_NO_CONFIG_HEADER 1 #endif #include "lzo_supp.h" /* Integral types */ #if 1 || defined(lzo_int8_t) || defined(lzo_uint8_t) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int8_t) == 1) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint8_t) == 1) #endif #if 1 || defined(lzo_int16_t) || defined(lzo_uint16_t) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int16_t) == 2) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint16_t) == 2) #endif #if 1 || defined(lzo_int32_t) || defined(lzo_uint32_t) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int32_t) == 4) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint32_t) == 4) #endif #if defined(lzo_int64_t) || defined(lzo_uint64_t) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int64_t) == 8) LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint64_t) == 8) #endif #if (LZO_CFG_FREESTANDING) # undef HAVE_MEMCMP # undef HAVE_MEMCPY # undef HAVE_MEMMOVE # undef HAVE_MEMSET #endif #if !(HAVE_MEMCMP) # undef memcmp # define memcmp(a,b,c) lzo_memcmp(a,b,c) #else # undef lzo_memcmp # define lzo_memcmp(a,b,c) memcmp(a,b,c) #endif #if !(HAVE_MEMCPY) # undef memcpy # define memcpy(a,b,c) lzo_memcpy(a,b,c) #else # undef lzo_memcpy # define lzo_memcpy(a,b,c) memcpy(a,b,c) #endif #if !(HAVE_MEMMOVE) # undef memmove # define memmove(a,b,c) lzo_memmove(a,b,c) #else # undef lzo_memmove # define lzo_memmove(a,b,c) memmove(a,b,c) #endif #if !(HAVE_MEMSET) # undef memset # define memset(a,b,c) lzo_memset(a,b,c) #else # undef lzo_memset # define lzo_memset(a,b,c) memset(a,b,c) #endif #undef NDEBUG #if (LZO_CFG_FREESTANDING) # undef LZO_DEBUG # define NDEBUG 1 # undef assert # define assert(e) ((void)0) #else # if !defined(LZO_DEBUG) # define NDEBUG 1 # endif # include <assert.h> #endif #if 0 && defined(__BOUNDS_CHECKING_ON) # include <unchecked.h> #else # define BOUNDS_CHECKING_OFF_DURING(stmt) stmt # define BOUNDS_CHECKING_OFF_IN_EXPR(expr) (expr) #endif #if (LZO_CFG_PGO) # undef __lzo_likely # undef __lzo_unlikely # define __lzo_likely(e) (e) # define __lzo_unlikely(e) (e) #endif #undef _ #undef __ #undef ___ #undef ____ #undef _p0 #undef _p1 #undef _p2 #undef _p3 #undef _p4 #undef _s0 #undef _s1 #undef _s2 #undef _s3 #undef _s4 #undef _ww /*********************************************************************** // ************************************************************************/ #if 1 # define LZO_BYTE(x) ((unsigned char) (x)) #else # define LZO_BYTE(x) ((unsigned char) ((x) & 0xff)) #endif #define LZO_MAX(a,b) ((a) >= (b) ? (a) : (b)) #define LZO_MIN(a,b) ((a) <= (b) ? (a) : (b)) #define LZO_MAX3(a,b,c) ((a) >= (b) ? LZO_MAX(a,c) : LZO_MAX(b,c)) #define LZO_MIN3(a,b,c) ((a) <= (b) ? LZO_MIN(a,c) : LZO_MIN(b,c)) #define lzo_sizeof(type) ((lzo_uint) (sizeof(type))) #define LZO_HIGH(array) ((lzo_uint) (sizeof(array)/sizeof(*(array)))) /* this always fits into 32 bits */ #define LZO_SIZE(bits) (1u << (bits)) #define LZO_MASK(bits) (LZO_SIZE(bits) - 1) #define LZO_USIZE(bits) ((lzo_uint) 1 << (bits)) #define LZO_UMASK(bits) (LZO_USIZE(bits) - 1) #if !defined(DMUL) #if 0 /* 32*32 multiplies may be faster than 64*64 on some 64-bit machines, * but then we need extra casts from unsigned<->size_t */ # define DMUL(a,b) ((lzo_xint) ((lzo_uint32_t)(a) * (lzo_uint32_t)(b))) #else # define DMUL(a,b) ((lzo_xint) ((a) * (b))) #endif #endif /*********************************************************************** // compiler and architecture specific stuff ************************************************************************/ /* Some defines that indicate if memory can be accessed at unaligned * memory addresses. You should also test that this is actually faster * even if it is allowed by your system. */ #include "lzo_func.h" #ifndef UA_SET1 #define UA_SET1 LZO_MEMOPS_SET1 #endif #ifndef UA_SET2 #define UA_SET2 LZO_MEMOPS_SET2 #endif #ifndef UA_SET3 #define UA_SET3 LZO_MEMOPS_SET3 #endif #ifndef UA_SET4 #define UA_SET4 LZO_MEMOPS_SET4 #endif #ifndef UA_MOVE1 #define UA_MOVE1 LZO_MEMOPS_MOVE1 #endif #ifndef UA_MOVE2 #define UA_MOVE2 LZO_MEMOPS_MOVE2 #endif #ifndef UA_MOVE3 #define UA_MOVE3 LZO_MEMOPS_MOVE3 #endif #ifndef UA_MOVE4 #define UA_MOVE4 LZO_MEMOPS_MOVE4 #endif #ifndef UA_MOVE8 #define UA_MOVE8 LZO_MEMOPS_MOVE8 #endif #ifndef UA_COPY1 #define UA_COPY1 LZO_MEMOPS_COPY1 #endif #ifndef UA_COPY2 #define UA_COPY2 LZO_MEMOPS_COPY2 #endif #ifndef UA_COPY3 #define UA_COPY3 LZO_MEMOPS_COPY3 #endif #ifndef UA_COPY4 #define UA_COPY4 LZO_MEMOPS_COPY4 #endif #ifndef UA_COPY8 #define UA_COPY8 LZO_MEMOPS_COPY8 #endif #ifndef UA_COPYN #define UA_COPYN LZO_MEMOPS_COPYN #endif #ifndef UA_COPYN_X #define UA_COPYN_X LZO_MEMOPS_COPYN #endif #ifndef UA_GET_LE16 #define UA_GET_LE16 LZO_MEMOPS_GET_LE16 #endif #ifndef UA_GET_LE32 #define UA_GET_LE32 LZO_MEMOPS_GET_LE32 #endif #ifdef LZO_MEMOPS_GET_LE64 #ifndef UA_GET_LE64 #define UA_GET_LE64 LZO_MEMOPS_GET_LE64 #endif #endif #ifndef UA_GET_NE16 #define UA_GET_NE16 LZO_MEMOPS_GET_NE16 #endif #ifndef UA_GET_NE32 #define UA_GET_NE32 LZO_MEMOPS_GET_NE32 #endif #ifdef LZO_MEMOPS_GET_NE64 #ifndef UA_GET_NE64 #define UA_GET_NE64 LZO_MEMOPS_GET_NE64 #endif #endif #ifndef UA_PUT_LE16 #define UA_PUT_LE16 LZO_MEMOPS_PUT_LE16 #endif #ifndef UA_PUT_LE32 #define UA_PUT_LE32 LZO_MEMOPS_PUT_LE32 #endif #ifndef UA_PUT_NE16 #define UA_PUT_NE16 LZO_MEMOPS_PUT_NE16 #endif #ifndef UA_PUT_NE32 #define UA_PUT_NE32 LZO_MEMOPS_PUT_NE32 #endif /* Fast memcpy that copies multiples of 8 byte chunks. * len is the number of bytes. * note: all parameters must be lvalues, len >= 8 * dest and src advance, len is undefined afterwards */ #define MEMCPY8_DS(dest,src,len) \ lzo_memcpy(dest,src,len); dest += len; src += len #define BZERO8_PTR(s,l,n) \ lzo_memset((lzo_voidp)(s),0,(lzo_uint)(l)*(n)) #define MEMCPY_DS(dest,src,len) \ do *dest++ = *src++; while (--len > 0) /*********************************************************************** // ************************************************************************/ LZO_EXTERN(const lzo_bytep) lzo_copyright(void); #include "lzo_ptr.h" /* Generate compressed data in a deterministic way. * This is fully portable, and compression can be faster as well. * A reason NOT to be deterministic is when the block size is * very small (e.g. 8kB) or the dictionary is big, because * then the initialization of the dictionary becomes a relevant * magnitude for compression speed. */ #ifndef LZO_DETERMINISTIC #define LZO_DETERMINISTIC 1 #endif #ifndef LZO_DICT_USE_PTR #define LZO_DICT_USE_PTR 1 #endif #if (LZO_DICT_USE_PTR) # define lzo_dict_t const lzo_bytep # define lzo_dict_p lzo_dict_t * #else # define lzo_dict_t lzo_uint # define lzo_dict_p lzo_dict_t * #endif #endif /* already included */ /* vi:ts=4:et */