diff -wu lzma_orig//7zCrc.c 7z/7zCrc.c
--- lzma_orig//7zCrc.c	2011-06-18 01:48:31.343602685 +0200
+++ 7z/7zCrc.c	2011-06-18 01:27:02.221109100 +0200
@@ -4,24 +4,12 @@
 #include "7zCrc.h"
 #include "CpuArch.h"
 
-#define kCrcPoly 0xEDB88320
+const UInt32 g_CrcTable[256] = { 0x0, 0x77073096, 0xee0e612c, 0x990951ba, 0x76dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0xedb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x9b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x1db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x6b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0xf00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x86d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x3b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x4db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0xd6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0xa00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x26d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x5005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0xcb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0xbdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d };
 
-#ifdef MY_CPU_LE
-#define CRC_NUM_TABLES 8
-#else
-#define CRC_NUM_TABLES 1
-#endif
 
-typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table);
+#define CRC_UPDATE_BYTE_2(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
 
-static CRC_FUNC g_CrcUpdate;
-UInt32 g_CrcTable[256 * CRC_NUM_TABLES];
-
-#if CRC_NUM_TABLES == 1
-
-#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
-
-static UInt32 MY_FAST_CALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table)
+UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size)
 {
   const Byte *p = (const Byte *)data;
   for (; size > 0; size--, p++)
@@ -29,46 +17,7 @@
   return v;
 }
 
-#else
-
-UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table);
-UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table);
-
-#endif
-
-UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size)
-{
-  return g_CrcUpdate(v, data, size, g_CrcTable);
-}
-
 UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size)
 {
-  return g_CrcUpdate(CRC_INIT_VAL, data, size, g_CrcTable) ^ CRC_INIT_VAL;
-}
-
-void MY_FAST_CALL CrcGenerateTable()
-{
-  UInt32 i;
-  for (i = 0; i < 256; i++)
-  {
-    UInt32 r = i;
-    unsigned j;
-    for (j = 0; j < 8; j++)
-      r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
-    g_CrcTable[i] = r;
-  }
-  #if CRC_NUM_TABLES == 1
-  g_CrcUpdate = CrcUpdateT1;
-  #else
-  for (; i < 256 * CRC_NUM_TABLES; i++)
-  {
-    UInt32 r = g_CrcTable[i - 256];
-    g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8);
-  }
-  g_CrcUpdate = CrcUpdateT4;
-  #ifdef MY_CPU_X86_OR_AMD64
-  if (!CPU_Is_InOrder())
-    g_CrcUpdate = CrcUpdateT8;
-  #endif
-  #endif
+  return CrcUpdate(CRC_INIT_VAL, data, size) ^ CRC_INIT_VAL;
 }
diff -wu lzma_orig//7zCrc.h 7z/7zCrc.h
--- lzma_orig//7zCrc.h	2011-06-18 01:48:31.343602685 +0200
+++ 7z/7zCrc.h	2011-06-18 01:27:02.229109090 +0200
@@ -8,14 +8,7 @@
 
 EXTERN_C_BEGIN
 
-extern UInt32 g_CrcTable[];
-
-/* Call CrcGenerateTable one time before other CRC functions */
-void MY_FAST_CALL CrcGenerateTable(void);
-
 #define CRC_INIT_VAL 0xFFFFFFFF
-#define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL)
-#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
 
 UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);
 UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);
diff -wu lzma_orig//7zDec.c 7z/7zDec.c
--- lzma_orig//7zDec.c	2011-06-18 01:48:31.347602680 +0200
+++ 7z/7zDec.c	2011-06-18 01:27:02.229109090 +0200
@@ -3,7 +3,7 @@
 
 #include <string.h>
 
-/* #define _7ZIP_PPMD_SUPPPORT */
+#define _7ZIP_PPMD_SUPPPORT
 
 #include "7z.h"
 
diff -wu lzma_orig//7zFile.c 7z/7zFile.c
--- lzma_orig//7zFile.h	2011-06-18 01:48:31.347602680 +0200
+++ 7z/7zFile.h	2013-08-13 14:29:34.193054251 +0200
@@ -207,32 +207,6 @@
   #endif
 }
 
-WRes File_GetLength(CSzFile *p, UInt64 *length)
-{
-  #ifdef USE_WINDOWS_FILE
-  
-  DWORD sizeHigh;
-  DWORD sizeLow = GetFileSize(p->handle, &sizeHigh);
-  if (sizeLow == 0xFFFFFFFF)
-  {
-    DWORD res = GetLastError();
-    if (res != NO_ERROR)
-      return res;
-  }
-  *length = (((UInt64)sizeHigh) << 32) + sizeLow;
-  return 0;
-  
-  #else
-  
-  long pos = ftell(p->file);
-  int res = fseek(p->file, 0, SEEK_END);
-  *length = ftell(p->file);
-  fseek(p->file, pos, SEEK_SET);
-  return res;
-  
-  #endif
-}
-
 
 /* ---------- FileSeqInStream ---------- */ 
 
diff -wu lzma_orig//7zFile.h 7z/7zFile.h
--- lzma_orig//7zFile.h	2011-06-18 01:48:31.347602680 +0200
+++ 7z/7zFile.h	2013-08-13 14:27:14.856436384 +0200
@@ -27,6 +27,7 @@
   #else
   FILE *file;
   #endif
+    fmap_t *fmap;
 } CSzFile;
 
 void File_Construct(CSzFile *p);
@@ -48,7 +48,6 @@
 WRes File_Write(CSzFile *p, const void *data, size_t *size);
 
 WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin);
-WRes File_GetLength(CSzFile *p, UInt64 *length);
 
 
 /* ---------- FileInStream ---------- */
diff -wu lzma_orig//CpuArch.h 7z/CpuArch.h
--- lzma_orig//CpuArch.h	2011-06-18 01:48:31.363602662 +0200
+++ 7z/CpuArch.h	2011-06-18 01:27:02.229109090 +0200
@@ -5,6 +5,7 @@
 #define __CPU_ARCH_H
 
 #include "Types.h"
+#include "others.h"
 
 EXTERN_C_BEGIN
 
@@ -16,68 +17,8 @@
 If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform.
 */
 
-#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__)
-#define MY_CPU_AMD64
-#endif
-
-#if defined(MY_CPU_AMD64) || defined(_M_IA64)
-#define MY_CPU_64BIT
-#endif
-
-#if defined(_M_IX86) || defined(__i386__)
-#define MY_CPU_X86
-#endif
-
-#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64)
-#define MY_CPU_X86_OR_AMD64
-#endif
-
-#if defined(MY_CPU_X86) || defined(_M_ARM)
-#define MY_CPU_32BIT
-#endif
-
-#if defined(_WIN32) && defined(_M_ARM)
-#define MY_CPU_ARM_LE
-#endif
-
-#if defined(_WIN32) && defined(_M_IA64)
-#define MY_CPU_IA64_LE
-#endif
-
-#if defined(MY_CPU_X86_OR_AMD64)
-#define MY_CPU_LE_UNALIGN
-#endif
-
-#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE)  || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__)
-#define MY_CPU_LE
-#endif
-
-#if defined(__BIG_ENDIAN__)
-#define MY_CPU_BE
-#endif
-
-#if defined(MY_CPU_LE) && defined(MY_CPU_BE)
-Stop_Compiling_Bad_Endian
-#endif
-
-#ifdef MY_CPU_LE_UNALIGN
-
-#define GetUi16(p) (*(const UInt16 *)(p))
-#define GetUi32(p) (*(const UInt32 *)(p))
-#define GetUi64(p) (*(const UInt64 *)(p))
-#define SetUi16(p, d) *(UInt16 *)(p) = (d);
-#define SetUi32(p, d) *(UInt32 *)(p) = (d);
-#define SetUi64(p, d) *(UInt64 *)(p) = (d);
-
-#else
-
-#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8))
-
-#define GetUi32(p) ( \
-             ((const Byte *)(p))[0]        | \
-    ((UInt32)((const Byte *)(p))[1] <<  8) | \
-    ((UInt32)((const Byte *)(p))[2] << 16) | \
-    ((UInt32)((const Byte *)(p))[3] << 24))
+#define GetUi16(p) (cli_readint16(p))
+#define GetUi32(p) (cli_readint32(p))
 
 #define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
 
@@ -85,71 +26,12 @@
     ((Byte *)(p))[0] = (Byte)_x_; \
     ((Byte *)(p))[1] = (Byte)(_x_ >> 8); }
 
-#define SetUi32(p, d) { UInt32 _x_ = (d); \
-    ((Byte *)(p))[0] = (Byte)_x_; \
-    ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \
-    ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \
-    ((Byte *)(p))[3] = (Byte)(_x_ >> 24); }
+#define SetUi32(p, d) (cli_writeint32(p, d))
 
 #define SetUi64(p, d) { UInt64 _x64_ = (d); \
     SetUi32(p, (UInt32)_x64_); \
     SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); }
 
-#endif
-
-#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300)
-
-#pragma intrinsic(_byteswap_ulong)
-#pragma intrinsic(_byteswap_uint64)
-#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
-#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
-
-#else
-
-#define GetBe32(p) ( \
-    ((UInt32)((const Byte *)(p))[0] << 24) | \
-    ((UInt32)((const Byte *)(p))[1] << 16) | \
-    ((UInt32)((const Byte *)(p))[2] <<  8) | \
-             ((const Byte *)(p))[3] )
-
-#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4))
-
-#endif
-
-#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
-
-
-#ifdef MY_CPU_X86_OR_AMD64
-
-typedef struct
-{
-  UInt32 maxFunc;
-  UInt32 vendor[3];
-  UInt32 ver;
-  UInt32 b;
-  UInt32 c;
-  UInt32 d;
-} Cx86cpuid;
-
-enum
-{
-  CPU_FIRM_INTEL,
-  CPU_FIRM_AMD,
-  CPU_FIRM_VIA
-};
-
-Bool x86cpuid_CheckAndRead(Cx86cpuid *p);
-int x86cpuid_GetFirm(const Cx86cpuid *p);
-
-#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F)
-#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F)
-#define x86cpuid_GetStepping(p) ((p)->ver & 0xF)
-
-Bool CPU_Is_InOrder();
-Bool CPU_Is_Aes_Supported();
-
-#endif
-
 EXTERN_C_END
 
 #endif
diff -wu lzma_orig//Types.h 7z/Types.h
--- lzma_orig//Types.h	2011-06-18 01:48:31.379602643 +0200
+++ 7z/Types.h	2011-06-18 01:27:02.229109090 +0200
@@ -21,7 +21,7 @@
 #endif
 
 EXTERN_C_BEGIN
-
+#include "fmap.h"
 #define SZ_OK 0
 
 #define SZ_ERROR_DATA 1
@@ -164,6 +164,7 @@
 {
   SRes (*Read)(void *p, void *buf, size_t *size);  /* same as ISeqInStream::Read */
   SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
+    off_t curpos;
 } ISeekInStream;
 
 typedef struct
