diff options
Diffstat (limited to 'app/lzo/src/lzo_swd.ch')
-rw-r--r-- | app/lzo/src/lzo_swd.ch | 85 |
1 files changed, 19 insertions, 66 deletions
diff --git a/app/lzo/src/lzo_swd.ch b/app/lzo/src/lzo_swd.ch index a8d8b396..566aca45 100644 --- a/app/lzo/src/lzo_swd.ch +++ b/app/lzo/src/lzo_swd.ch @@ -2,22 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -57,17 +42,14 @@ ************************************************************************/ /* unsigned type for dictionary access - don't waste memory here */ -#if (0UL + SWD_N + SWD_F + SWD_F < 0UL + USHRT_MAX) - typedef unsigned short swd_uint; -# define SWD_UINT_MAX USHRT_MAX -#elif (0UL + SWD_N + SWD_F + SWD_F < 0UL + UINT_MAX) - typedef unsigned swd_uint; -# define SWD_UINT_MAX UINT_MAX +#if (0UL + SWD_N + SWD_F + SWD_F < 65535UL) + typedef lzo_uint16_t swd_uint; +# define SWD_UINT_MAX 0xffffu #else - typedef lzo_uint swd_uint; -# define SWD_UINT_MAX LZO_UINT_MAX + typedef lzo_uint32_t swd_uint; +# define SWD_UINT_MAX 0xffffffffu #endif -#define swd_uintp swd_uint __LZO_MMODEL * +#define swd_uintp swd_uint * #define SWD_UINT(x) ((swd_uint)(x)) @@ -89,10 +71,10 @@ #endif #if !(SWD_NO_HEAD2) && (SWD_THRESHOLD == 1) && !defined(HEAD2) -# if 1 && defined(LZO_UNALIGNED_OK_2) -# define HEAD2(b,p) UA_GET16((b)+(p)) +# if 1 && (LZO_OPT_UNALIGNED16) +# define HEAD2(b,p) UA_GET_NE16((b)+(p)) # else -# define HEAD2(b,p) (b[p] ^ ((unsigned)b[p+1]<<8)) +# define HEAD2(b,p) (b[p] ^ ((unsigned)b[(p)+1]<<8)) # endif # define NIL2 SWD_UINT_MAX #endif @@ -146,32 +128,7 @@ typedef struct lzo_uint node_count; lzo_uint first_rp; -#if defined(__LZO_MMODEL_HUGE) -# define A(type, n) ((((n) * sizeof(type)) + 3UL) &~ 3UL) - -# define O_b(s) (0L) -# define O_head3(s) (O_b(s) + A(char, 0UL + SWD_N + SWD_F + SWD_F)) -# define O_succ3(s) (O_head3(s) + A(swd_uint, 0UL + SWD_HSIZE)) -# define O_best3(s) (O_succ3(s) + A(swd_uint, 0UL + SWD_N + SWD_F)) -# define O_llen3(s) (O_best3(s) + A(swd_uint, 0UL + SWD_N + SWD_F)) -# ifdef HEAD2 -# define O_head2(s) (O_llen3(s) + A(swd_uint, 0UL + SWD_HSIZE)) -# define O_END(s) (O_head2(s) + A(swd_uint, 0UL + 65536L)) -# else -# define O_END(s) (O_llen3(s) + A(swd_uint, 0UL + SWD_HSIZE)) -# endif - -# define S_DEF(s,type,off) ((type) ((lzo_bytep)s + 0L + sizeof(*s) + off)) -# define s_b(s) S_DEF(s, lzo_bytep, O_b(s)) -# define s_head3(s) S_DEF(s, swd_uintp, O_head3(s)) -# define s_succ3(s) S_DEF(s, swd_uintp, O_succ3(s)) -# define s_best3(s) S_DEF(s, swd_uintp, O_best3(s)) -# define s_llen3(s) S_DEF(s, swd_uintp, O_llen3(s)) -# ifdef HEAD2 -# define s_head2(s) S_DEF(s, swd_uintp, O_head2(s)) -# endif - -#elif defined(__LZO_CHECKER) +#if defined(__LZO_CHECKER) /* malloc arrays of the exact size to detect any overrun */ unsigned char *b; swd_uint *head3; @@ -194,12 +151,9 @@ typedef struct #endif } lzo_swd_t; -#define lzo_swd_p lzo_swd_t __LZO_MMODEL * +#define lzo_swd_p lzo_swd_t * -#if defined(__LZO_MMODEL_HUGE) -#define SIZEOF_LZO_SWD_T O_END(0) -#else #define s_b(s) s->b #define s_head3(s) s->head3 #define s_succ3(s) s->succ3 @@ -209,18 +163,17 @@ lzo_swd_t; #define s_head2(s) s->head2 #endif #define SIZEOF_LZO_SWD_T (sizeof(lzo_swd_t)) -#endif /* Access macro for head3. * head3[key] may be uninitialized if the list is emtpy, * but then its value will never be used. */ -#if defined(__LZO_CHECKER) +#if 1 || defined(__LZO_CHECKER) # define s_get_head3(s,key) \ - ((s_llen3(s)[key] == 0) ? SWD_UINT_MAX : s_head3(s)[key]) + ((swd_uint)((s_llen3(s)[key] == 0) ? SWD_UINT_MAX : s_head3(s)[key])) #else -# define s_get_head3(s,key) s_head3(s)[key] +# define s_get_head3(s,key) (s_head3(s)[key]) #endif @@ -338,7 +291,7 @@ int swd_init(lzo_swd_p s, const lzo_bytep dict, lzo_uint dict_len) lzo_memset(s_head2(s), 0xff, (lzo_uint)sizeof(s_head2(s)[0]) * 65536L); assert(s_head2(s)[0] == NIL2); #else - lzo_uint32 i; + lzo_xint i; for (i = 0; i < 65536L; i++) s_head2(s)[i] = NIL2; #endif @@ -434,7 +387,7 @@ void swd_getbyte(lzo_swd_p s) { if (s->look > 0) --s->look; -#if defined(__LZO_CHECKER) +#if 1 || defined(__LZO_CHECKER) /* initialize memory - value doesn't matter */ s_b(s)[s->ip] = 0; if (s->ip < s->swd_f) @@ -572,9 +525,9 @@ void swd_search(lzo_swd_p s, lzo_uint node, lzo_uint cnt) lzo_uint i; assert(lzo_memcmp(bp,&b[node],3) == 0); -#if 0 && defined(LZO_UNALIGNED_OK_4) +#if 0 && (LZO_OPT_UNALIGNED32) p1 += 3; p2 += 3; - while (p1 + 4 <= px && UA_GET32(p1) == UA_GET32(p2)) + while (p1 + 4 <= px && UA_GET_NE32(p1) == UA_GET_NE32(p2)) p1 += 4, p2 += 4; while (p1 < px && *p1 == *p2) p1 += 1, p2 += 1; |