4.44 beta

C/Archive/7z/7zAlloc.c

@@ -0,0 +1,70 @@
+/* 7zAlloc.c */
+
+#include <stdlib.h>
+#include "7zAlloc.h"
+
+/* #define _SZ_ALLOC_DEBUG */
+/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
+
+#ifdef _SZ_ALLOC_DEBUG
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#include <stdio.h>
+int g_allocCount = 0;
+int g_allocCountTemp = 0;
+#endif
+
+void *SzAlloc(size_t size)
+{
+  if (size == 0)
+    return 0;
+  #ifdef _SZ_ALLOC_DEBUG
+  fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount);
+  g_allocCount++;
+  #endif
+  return malloc(size);
+}
+
+void SzFree(void *address)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  if (address != 0)
+  {
+    g_allocCount--;
+    fprintf(stderr, "\nFree; count = %10d", g_allocCount);
+  }
+  #endif
+  free(address);
+}
+
+void *SzAllocTemp(size_t size)
+{
+  if (size == 0)
+    return 0;
+  #ifdef _SZ_ALLOC_DEBUG
+  fprintf(stderr, "\nAlloc_temp %10d bytes;  count = %10d", size, g_allocCountTemp);
+  g_allocCountTemp++;
+  #ifdef _WIN32
+  return HeapAlloc(GetProcessHeap(), 0, size);
+  #endif
+  #endif
+  return malloc(size);
+}
+
+void SzFreeTemp(void *address)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  if (address != 0)
+  {
+    g_allocCountTemp--;
+    fprintf(stderr, "\nFree_temp; count = %10d", g_allocCountTemp);
+  }
+  #ifdef _WIN32
+  HeapFree(GetProcessHeap(), 0, address);
+  return;
+  #endif
+  #endif
+  free(address);
+}

C/Archive/7z/7zBuffer.c

@@ -0,0 +1,29 @@
+/* 7zBuffer.c */
+
+#include "7zBuffer.h"
+#include "7zAlloc.h"
+
+void SzByteBufferInit(CSzByteBuffer *buffer)
+{
+  buffer->Capacity = 0;
+  buffer->Items = 0;
+}
+
+int SzByteBufferCreate(CSzByteBuffer *buffer, size_t newCapacity, void * (*allocFunc)(size_t size))
+{
+  buffer->Capacity = newCapacity;
+  if (newCapacity == 0)
+  {
+    buffer->Items = 0;
+    return 1;
+  }
+  buffer->Items = (Byte *)allocFunc(newCapacity);
+  return (buffer->Items != 0);
+}
+
+void SzByteBufferFree(CSzByteBuffer *buffer, void (*freeFunc)(void *))
+{
+  freeFunc(buffer->Items);
+  buffer->Items = 0;
+  buffer->Capacity = 0;
+}

C/Archive/7z/7zDecode.c

@@ -0,0 +1,150 @@
+/* 7zDecode.c */
+
+#include "7zDecode.h"
+#ifdef _SZ_ONE_DIRECTORY
+#include "LzmaDecode.h"
+#else
+#include "../../Compress/Lzma/LzmaDecode.h"
+#endif
+
+CMethodID k_Copy = { { 0x0 }, 1 };
+CMethodID k_LZMA = { { 0x3, 0x1, 0x1 }, 3 };
+
+#ifdef _LZMA_IN_CB
+
+typedef struct _CLzmaInCallbackImp
+{
+  ILzmaInCallback InCallback;
+  ISzInStream *InStream;
+  size_t Size;
+} CLzmaInCallbackImp;
+
+int LzmaReadImp(void *object, const unsigned char **buffer, SizeT *size)
+{
+  CLzmaInCallbackImp *cb = (CLzmaInCallbackImp *)object;
+  size_t processedSize;
+  SZ_RESULT res;
+  *size = 0;
+  res = cb->InStream->Read((void *)cb->InStream, (void **)buffer, cb->Size, &processedSize);
+  *size = (SizeT)processedSize;
+  if (processedSize > cb->Size)
+    return (int)SZE_FAIL;
+  cb->Size -= processedSize;
+  if (res == SZ_OK)
+    return 0;
+  return (int)res;
+}
+
+#endif
+
+SZ_RESULT SzDecode(const CFileSize *packSizes, const CFolder *folder,
+    #ifdef _LZMA_IN_CB
+    ISzInStream *inStream,
+    #else
+    const Byte *inBuffer,
+    #endif
+    Byte *outBuffer, size_t outSize, 
+    size_t *outSizeProcessed, ISzAlloc *allocMain)
+{
+  UInt32 si;
+  size_t inSize = 0;
+  CCoderInfo *coder;
+  if (folder->NumPackStreams != 1)
+    return SZE_NOTIMPL;
+  if (folder->NumCoders != 1)
+    return SZE_NOTIMPL;
+  coder = folder->Coders;
+  *outSizeProcessed = 0;
+
+  for (si = 0; si < folder->NumPackStreams; si++)
+    inSize += (size_t)packSizes[si];
+
+  if (AreMethodsEqual(&coder->MethodID, &k_Copy))
+  {
+    size_t i;
+    if (inSize != outSize)
+      return SZE_DATA_ERROR;
+    #ifdef _LZMA_IN_CB
+    for (i = 0; i < inSize;)
+    {
+      size_t j;
+      void *inBuffer;
+      size_t bufferSize;
+      RINOK(inStream->Read((void *)inStream,  (void **)&inBuffer, inSize - i, &bufferSize));
+      if (bufferSize == 0)
+        return SZE_DATA_ERROR;
+      if (bufferSize > inSize - i)
+        return SZE_FAIL;
+      *outSizeProcessed += bufferSize;
+      for (j = 0; j < bufferSize && i < inSize; j++, i++)
+        outBuffer[i] = ((const Byte *)inBuffer)[j];
+    }
+    #else
+    for (i = 0; i < inSize; i++)
+      outBuffer[i] = inBuffer[i];
+    *outSizeProcessed = inSize;
+    #endif
+    return SZ_OK;
+  }
+
+  if (AreMethodsEqual(&coder->MethodID, &k_LZMA))
+  {
+    #ifdef _LZMA_IN_CB
+    CLzmaInCallbackImp lzmaCallback;
+    #else
+    SizeT inProcessed;
+    #endif
+
+    CLzmaDecoderState state;  /* it's about 24-80 bytes structure, if int is 32-bit */
+    int result;
+    SizeT outSizeProcessedLoc;
+
+    #ifdef _LZMA_IN_CB
+    lzmaCallback.Size = inSize;
+    lzmaCallback.InStream = inStream;
+    lzmaCallback.InCallback.Read = LzmaReadImp;
+    #endif
+
+    if (LzmaDecodeProperties(&state.Properties, coder->Properties.Items, 
+        coder->Properties.Capacity) != LZMA_RESULT_OK)
+      return SZE_FAIL;
+
+    state.Probs = (CProb *)allocMain->Alloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
+    if (state.Probs == 0)
+      return SZE_OUTOFMEMORY;
+
+    #ifdef _LZMA_OUT_READ
+    if (state.Properties.DictionarySize == 0)
+      state.Dictionary = 0;
+    else
+    {
+      state.Dictionary = (unsigned char *)allocMain->Alloc(state.Properties.DictionarySize);
+      if (state.Dictionary == 0)
+      {
+        allocMain->Free(state.Probs);
+        return SZE_OUTOFMEMORY;
+      }
+    }
+    LzmaDecoderInit(&state);
+    #endif
+
+    result = LzmaDecode(&state,
+        #ifdef _LZMA_IN_CB
+        &lzmaCallback.InCallback,
+        #else
+        inBuffer, (SizeT)inSize, &inProcessed,
+        #endif
+        outBuffer, (SizeT)outSize, &outSizeProcessedLoc);
+    *outSizeProcessed = (size_t)outSizeProcessedLoc;
+    allocMain->Free(state.Probs);
+    #ifdef _LZMA_OUT_READ
+    allocMain->Free(state.Dictionary);
+    #endif
+    if (result == LZMA_RESULT_DATA_ERROR)
+      return SZE_DATA_ERROR;
+    if (result != LZMA_RESULT_OK)
+      return SZE_FAIL;
+    return SZ_OK;
+  }
+  return SZE_NOTIMPL;
+}

C/Archive/7z/7zExtract.c

@@ -0,0 +1,118 @@
+/* 7zExtract.c */
+
+#include "7zExtract.h"
+#include "7zDecode.h"
+#include "../../7zCrc.h"
+
+SZ_RESULT SzExtract(
+    ISzInStream *inStream, 
+    CArchiveDatabaseEx *db,
+    UInt32 fileIndex,
+    UInt32 *blockIndex,
+    Byte **outBuffer, 
+    size_t *outBufferSize,
+    size_t *offset, 
+    size_t *outSizeProcessed, 
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt32 folderIndex = db->FileIndexToFolderIndexMap[fileIndex];
+  SZ_RESULT res = SZ_OK;
+  *offset = 0;
+  *outSizeProcessed = 0;
+  if (folderIndex == (UInt32)-1)
+  {
+    allocMain->Free(*outBuffer);
+    *blockIndex = folderIndex;
+    *outBuffer = 0;
+    *outBufferSize = 0;
+    return SZ_OK;
+  }
+
+  if (*outBuffer == 0 || *blockIndex != folderIndex)
+  {
+    CFolder *folder = db->Database.Folders + folderIndex;
+    CFileSize unPackSize = SzFolderGetUnPackSize(folder);
+    #ifndef _LZMA_IN_CB
+    CFileSize packSize = SzArDbGetFolderFullPackSize(db, folderIndex);
+    Byte *inBuffer = 0;
+    size_t processedSize;
+    #endif
+    if (unPackSize != (size_t)unPackSize)
+      return SZE_OUTOFMEMORY;
+    *blockIndex = folderIndex;
+    allocMain->Free(*outBuffer);
+    *outBuffer = 0;
+    
+    RINOK(inStream->Seek(inStream, SzArDbGetFolderStreamPos(db, folderIndex, 0)));
+    
+    #ifndef _LZMA_IN_CB
+    if (packSize != 0)
+    {
+      inBuffer = (Byte *)allocTemp->Alloc((size_t)packSize);
+      if (inBuffer == 0)
+        return SZE_OUTOFMEMORY;
+    }
+    res = inStream->Read(inStream, inBuffer, (size_t)packSize, &processedSize);
+    if (res == SZ_OK && processedSize != (size_t)packSize)
+      res = SZE_FAIL;
+    #endif
+    if (res == SZ_OK)
+    {
+      *outBufferSize = (size_t)unPackSize;
+      if (unPackSize != 0)
+      {
+        *outBuffer = (Byte *)allocMain->Alloc((size_t)unPackSize);
+        if (*outBuffer == 0)
+          res = SZE_OUTOFMEMORY;
+      }
+      if (res == SZ_OK)
+      {
+        size_t outRealSize;
+        res = SzDecode(db->Database.PackSizes + 
+          db->FolderStartPackStreamIndex[folderIndex], folder, 
+          #ifdef _LZMA_IN_CB
+          inStream,
+          #else
+          inBuffer, 
+          #endif
+          *outBuffer, (size_t)unPackSize, &outRealSize, allocTemp);
+        if (res == SZ_OK)
+        {
+          if (outRealSize == (size_t)unPackSize)
+          {
+            if (folder->UnPackCRCDefined)
+            {
+              if (!CrcVerifyDigest(folder->UnPackCRC, *outBuffer, (size_t)unPackSize))
+                res = SZE_FAIL;
+            }
+          }
+          else
+            res = SZE_FAIL;
+        }
+      }
+    }
+    #ifndef _LZMA_IN_CB
+    allocTemp->Free(inBuffer);
+    #endif
+  }
+  if (res == SZ_OK)
+  {
+    UInt32 i; 
+    CFileItem *fileItem = db->Database.Files + fileIndex;
+    *offset = 0;
+    for(i = db->FolderStartFileIndex[folderIndex]; i < fileIndex; i++)
+      *offset += (UInt32)db->Database.Files[i].Size;
+    *outSizeProcessed = (size_t)fileItem->Size;
+    if (*offset + *outSizeProcessed > *outBufferSize)
+      return SZE_FAIL;
+    {
+      if (fileItem->IsFileCRCDefined)
+      {
+        if (!CrcVerifyDigest(fileItem->FileCRC, *outBuffer + *offset, *outSizeProcessed))
+          res = SZE_FAIL;
+      }
+    }
+  }
+  return res;
+}

C/Archive/7z/7zHeader.c

@@ -0,0 +1,5 @@
+/*  7zHeader.c */
+
+#include "7zHeader.h"
+
+Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};

C/Archive/7z/7zItem.c

@@ -0,0 +1,133 @@
+/* 7zItem.c */
+
+#include "7zItem.h"
+#include "7zAlloc.h"
+
+void SzCoderInfoInit(CCoderInfo *coder)
+{
+  SzByteBufferInit(&coder->Properties);
+}
+
+void SzCoderInfoFree(CCoderInfo *coder, void (*freeFunc)(void *p))
+{
+  SzByteBufferFree(&coder->Properties, freeFunc);
+  SzCoderInfoInit(coder);
+}
+
+void SzFolderInit(CFolder *folder)
+{
+  folder->NumCoders = 0;
+  folder->Coders = 0;
+  folder->NumBindPairs = 0;
+  folder->BindPairs = 0;
+  folder->NumPackStreams = 0;
+  folder->PackStreams = 0;
+  folder->UnPackSizes = 0;
+  folder->UnPackCRCDefined = 0;
+  folder->UnPackCRC = 0;
+  folder->NumUnPackStreams = 0;
+}
+
+void SzFolderFree(CFolder *folder, void (*freeFunc)(void *p))
+{
+  UInt32 i;
+  for (i = 0; i < folder->NumCoders; i++)
+    SzCoderInfoFree(&folder->Coders[i], freeFunc);
+  freeFunc(folder->Coders);
+  freeFunc(folder->BindPairs);
+  freeFunc(folder->PackStreams);
+  freeFunc(folder->UnPackSizes);
+  SzFolderInit(folder);
+}
+
+UInt32 SzFolderGetNumOutStreams(CFolder *folder)
+{
+  UInt32 result = 0;
+  UInt32 i;
+  for (i = 0; i < folder->NumCoders; i++)
+    result += folder->Coders[i].NumOutStreams;
+  return result;
+}
+
+int SzFolderFindBindPairForInStream(CFolder *folder, UInt32 inStreamIndex)
+{
+  UInt32 i;
+  for(i = 0; i < folder->NumBindPairs; i++)
+    if (folder->BindPairs[i].InIndex == inStreamIndex)
+      return i;
+  return -1;
+}
+
+
+int SzFolderFindBindPairForOutStream(CFolder *folder, UInt32 outStreamIndex)
+{
+  UInt32 i;
+  for(i = 0; i < folder->NumBindPairs; i++)
+    if (folder->BindPairs[i].OutIndex == outStreamIndex)
+      return i;
+  return -1;
+}
+
+CFileSize SzFolderGetUnPackSize(CFolder *folder)
+{ 
+  int i = (int)SzFolderGetNumOutStreams(folder);
+  if (i == 0)
+    return 0;
+  for (i--; i >= 0; i--)
+    if (SzFolderFindBindPairForOutStream(folder, i) < 0)
+      return folder->UnPackSizes[i];
+  /* throw 1; */
+  return 0;
+}
+
+/*
+int FindPackStreamArrayIndex(int inStreamIndex) const
+{
+  for(int i = 0; i < PackStreams.Size(); i++)
+  if (PackStreams[i] == inStreamIndex)
+    return i;
+  return -1;
+}
+*/
+
+void SzFileInit(CFileItem *fileItem)
+{
+  fileItem->IsFileCRCDefined = 0;
+  fileItem->HasStream = 1;
+  fileItem->IsDirectory = 0;
+  fileItem->IsAnti = 0;
+  fileItem->Name = 0;
+}
+
+void SzFileFree(CFileItem *fileItem, void (*freeFunc)(void *p))
+{
+  freeFunc(fileItem->Name);
+  SzFileInit(fileItem);
+}
+
+void SzArchiveDatabaseInit(CArchiveDatabase *db)
+{
+  db->NumPackStreams = 0;
+  db->PackSizes = 0;
+  db->PackCRCsDefined = 0;
+  db->PackCRCs = 0;
+  db->NumFolders = 0;
+  db->Folders = 0;
+  db->NumFiles = 0;
+  db->Files = 0;
+}
+
+void SzArchiveDatabaseFree(CArchiveDatabase *db, void (*freeFunc)(void *))
+{
+  UInt32 i;
+  for (i = 0; i < db->NumFolders; i++)
+    SzFolderFree(&db->Folders[i], freeFunc);
+  for (i = 0; i < db->NumFiles; i++)
+    SzFileFree(&db->Files[i], freeFunc);
+  freeFunc(db->PackSizes);
+  freeFunc(db->PackCRCsDefined);
+  freeFunc(db->PackCRCs);
+  freeFunc(db->Folders);
+  freeFunc(db->Files);
+  SzArchiveDatabaseInit(db);
+}

C/Archive/7z/7zMain.c

@@ -0,0 +1,358 @@
+/* 
+7zMain.c
+Test application for 7z Decoder
+LZMA SDK 4.43 Copyright (c) 1999-2006 Igor Pavlov (2006-06-04)
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef _WIN32
+#define USE_WINDOWS_FUNCTIONS
+#endif
+
+#ifdef USE_WINDOWS_FUNCTIONS
+#include <windows.h>
+#endif
+
+#include "7zIn.h"
+#include "7zExtract.h"
+
+#include "../../7zCrc.h"
+
+
+#ifdef USE_WINDOWS_FUNCTIONS
+typedef HANDLE MY_FILE_HANDLE;
+#else
+typedef FILE *MY_FILE_HANDLE;
+#endif
+
+void ConvertNumberToString(CFileSize value, char *s)
+{
+  char temp[32];
+  int pos = 0;
+  do 
+  {
+    temp[pos++] = (char)('0' + (int)(value % 10));
+    value /= 10;
+  }
+  while (value != 0);
+  do
+    *s++ = temp[--pos];
+  while(pos > 0);
+  *s = '\0';
+}
+
+
+#ifdef USE_WINDOWS_FUNCTIONS
+// ReadFile and WriteFile functions in Windows have BUG:
+// If you Read or Write 64MB or more (probably min_failure_size = 64MB - 32KB + 1) 
+// from/to Network file, it returns ERROR_NO_SYSTEM_RESOURCES 
+// (Insufficient system resources exist to complete the requested service).
+#define kChunkSizeMax (1 << 24)
+#endif
+
+size_t MyReadFile(MY_FILE_HANDLE file, void *data, size_t size)
+{ 
+  if (size == 0)
+    return 0;
+  #ifdef USE_WINDOWS_FUNCTIONS
+  {
+    size_t processedSize = 0;
+    do
+    {
+      DWORD curSize = (size > kChunkSizeMax) ? kChunkSizeMax : (DWORD)size;
+      DWORD processedLoc = 0;
+      BOOL res = ReadFile(file, data, curSize, &processedLoc, NULL);
+      data = (void *)((unsigned char *)data + processedLoc);
+      size -= processedLoc;
+      processedSize += processedLoc;
+      if (!res || processedLoc == 0)
+        break;
+    }
+    while (size > 0);
+    return processedSize;
+  }
+  #else
+  return fread(data, 1, size, file); 
+  #endif
+}
+
+size_t MyWriteFile(MY_FILE_HANDLE file, void *data, size_t size)
+{ 
+  if (size == 0)
+    return 0;
+  #ifdef USE_WINDOWS_FUNCTIONS
+  {
+    size_t processedSize = 0;
+    do
+    {
+      DWORD curSize = (size > kChunkSizeMax) ? kChunkSizeMax : (DWORD)size;
+      DWORD processedLoc = 0;
+      BOOL res = WriteFile(file, data, curSize, &processedLoc, NULL);
+      data = (void *)((unsigned char *)data + processedLoc);
+      size -= processedLoc;
+      processedSize += processedLoc;
+      if (!res)
+        break;
+    }
+    while (size > 0);
+    return processedSize;
+  }
+  #else
+  return fwrite(data, 1, size, file); 
+  #endif
+}
+
+int MyCloseFile(MY_FILE_HANDLE file)
+{ 
+  #ifdef USE_WINDOWS_FUNCTIONS
+  return (CloseHandle(file) != FALSE) ? 0 : 1;
+  #else
+  return fclose(file); 
+  #endif
+}
+
+typedef struct _CFileInStream
+{
+  ISzInStream InStream;
+  MY_FILE_HANDLE File;
+} CFileInStream;
+
+#ifdef _LZMA_IN_CB
+
+#define kBufferSize (1 << 12)
+Byte g_Buffer[kBufferSize];
+
+SZ_RESULT SzFileReadImp(void *object, void **buffer, size_t maxRequiredSize, size_t *processedSize)
+{
+  CFileInStream *s = (CFileInStream *)object;
+  size_t processedSizeLoc;
+  if (maxRequiredSize > kBufferSize)
+    maxRequiredSize = kBufferSize;
+  processedSizeLoc = MyReadFile(s->File, g_Buffer, maxRequiredSize);
+  *buffer = g_Buffer;
+  if (processedSize != 0)
+    *processedSize = processedSizeLoc;
+  return SZ_OK;
+}
+
+#else
+
+SZ_RESULT SzFileReadImp(void *object, void *buffer, size_t size, size_t *processedSize)
+{
+  CFileInStream *s = (CFileInStream *)object;
+  size_t processedSizeLoc = MyReadFile(s->File, buffer, size);
+  if (processedSize != 0)
+    *processedSize = processedSizeLoc;
+  return SZ_OK;
+}
+
+#endif
+
+SZ_RESULT SzFileSeekImp(void *object, CFileSize pos)
+{
+  CFileInStream *s = (CFileInStream *)object;
+
+  #ifdef USE_WINDOWS_FUNCTIONS
+  {
+    LARGE_INTEGER value;
+    value.LowPart = (DWORD)pos;
+    value.HighPart = (LONG)(pos >> 32);
+    value.LowPart = SetFilePointer(s->File, value.LowPart, &value.HighPart, FILE_BEGIN);
+    if (value.LowPart == 0xFFFFFFFF)
+      if(GetLastError() != NO_ERROR) 
+        return SZE_FAIL;
+    return SZ_OK;
+  }
+  #else
+  int res = fseek(s->File, (long)pos, SEEK_SET);
+  if (res == 0)
+    return SZ_OK;
+  return SZE_FAIL;
+  #endif
+}
+
+void PrintError(char *sz)
+{
+  printf("\nERROR: %s\n", sz);
+}
+
+int main(int numargs, char *args[])
+{
+  CFileInStream archiveStream;
+  CArchiveDatabaseEx db;
+  SZ_RESULT res;
+  ISzAlloc allocImp;
+  ISzAlloc allocTempImp;
+
+  printf("\n7z ANSI-C Decoder 4.44  Copyright (c) 1999-2006 Igor Pavlov  2006-08-27\n");
+  if (numargs == 1)
+  {
+    printf(
+      "\nUsage: 7zDec <command> <archive_name>\n\n"
+      "<Commands>\n"
+      "  e: Extract files from archive\n"
+      "  l: List contents of archive\n"
+      "  t: Test integrity of archive\n");
+    return 0;
+  }
+  if (numargs < 3)
+  {
+    PrintError("incorrect command");
+    return 1;
+  }
+
+  archiveStream.File = 
+  #ifdef USE_WINDOWS_FUNCTIONS
+  CreateFile(args[2], GENERIC_READ, FILE_SHARE_READ, 
+      NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (archiveStream.File == INVALID_HANDLE_VALUE)
+  #else
+  archiveStream.File = fopen(args[2], "rb");
+  if (archiveStream.File == 0)
+  #endif
+  {
+    PrintError("can not open input file");
+    return 1;
+  }
+
+  archiveStream.InStream.Read = SzFileReadImp;
+  archiveStream.InStream.Seek = SzFileSeekImp;
+
+  allocImp.Alloc = SzAlloc;
+  allocImp.Free = SzFree;
+
+  allocTempImp.Alloc = SzAllocTemp;
+  allocTempImp.Free = SzFreeTemp;
+
+  CrcGenerateTable();
+
+  SzArDbExInit(&db);
+  res = SzArchiveOpen(&archiveStream.InStream, &db, &allocImp, &allocTempImp);
+  if (res == SZ_OK)
+  {
+    char *command = args[1];
+    int listCommand = 0;
+    int testCommand = 0;
+    int extractCommand = 0;
+    if (strcmp(command, "l") == 0)
+      listCommand = 1;
+    if (strcmp(command, "t") == 0)
+      testCommand = 1;
+    else if (strcmp(command, "e") == 0)
+      extractCommand = 1;
+
+    if (listCommand)
+    {
+      UInt32 i;
+      for (i = 0; i < db.Database.NumFiles; i++)
+      {
+        CFileItem *f = db.Database.Files + i;
+        char s[32];
+        ConvertNumberToString(f->Size, s);
+        printf("%10s  %s\n", s, f->Name);
+      }
+    }
+    else if (testCommand || extractCommand)
+    {
+      UInt32 i;
+
+      /*
+      if you need cache, use these 3 variables.
+      if you use external function, you can make these variable as static.
+      */
+      UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
+      Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
+      size_t outBufferSize = 0;  /* it can have any value before first call (if outBuffer = 0) */
+
+      printf("\n");
+      for (i = 0; i < db.Database.NumFiles; i++)
+      {
+        size_t offset;
+        size_t outSizeProcessed;
+        CFileItem *f = db.Database.Files + i;
+        if (f->IsDirectory)
+          printf("Directory ");
+        else
+          printf(testCommand ? 
+            "Testing   ":
+            "Extracting");
+        printf(" %s", f->Name);
+        if (f->IsDirectory)
+        {
+          printf("\n");
+          continue;
+        }
+        res = SzExtract(&archiveStream.InStream, &db, i, 
+            &blockIndex, &outBuffer, &outBufferSize, 
+            &offset, &outSizeProcessed, 
+            &allocImp, &allocTempImp);
+        if (res != SZ_OK)
+          break;
+        if (!testCommand)
+        {
+          MY_FILE_HANDLE outputHandle;
+          UInt32 processedSize;
+          char *fileName = f->Name;
+          size_t nameLen = strlen(f->Name);
+          for (; nameLen > 0; nameLen--)
+            if (f->Name[nameLen - 1] == '/')
+            {
+              fileName = f->Name + nameLen;
+              break;
+            }
+            
+          outputHandle = 
+          #ifdef USE_WINDOWS_FUNCTIONS
+            CreateFile(fileName, GENERIC_WRITE, FILE_SHARE_READ, 
+                NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+          if (outputHandle == INVALID_HANDLE_VALUE)
+          #else
+          fopen(fileName, "wb+");
+          if (outputHandle == 0)
+          #endif
+          {
+            PrintError("can not open output file");
+            res = SZE_FAIL;
+            break;
+          }
+          processedSize = MyWriteFile(outputHandle, outBuffer + offset, outSizeProcessed);
+          if (processedSize != outSizeProcessed)
+          {
+            PrintError("can not write output file");
+            res = SZE_FAIL;
+            break;
+          }
+          if (MyCloseFile(outputHandle))
+          {
+            PrintError("can not close output file");
+            res = SZE_FAIL;
+            break;
+          }
+        }
+        printf("\n");
+      }
+      allocImp.Free(outBuffer);
+    }
+    else
+    {
+      PrintError("incorrect command");
+      res = SZE_FAIL;
+    }
+  }
+  SzArDbExFree(&db, allocImp.Free);
+
+  MyCloseFile(archiveStream.File);
+  if (res == SZ_OK)
+  {
+    printf("\nEverything is Ok\n");
+    return 0;
+  }
+  if (res == SZE_OUTOFMEMORY)
+    PrintError("can not allocate memory");
+  else     
+    printf("\nERROR #%d\n", res);
+  return 1;
+}

C/Archive/7z/7zMethodID.c

@@ -0,0 +1,14 @@
+/* 7zMethodID.c */
+
+#include "7zMethodID.h"
+
+int AreMethodsEqual(CMethodID *a1, CMethodID *a2)
+{
+  int i;
+  if (a1->IDSize != a2->IDSize)
+    return 0;
+  for (i = 0; i < a1->IDSize; i++)
+    if (a1->ID[i] != a2->ID[i])
+      return 0;
+  return 1;
+}

C/Archive/7z/7z_C.dsp

@@ -0,0 +1,186 @@
+# Microsoft Developer Studio Project File - Name="7z_C" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Console Application" 0x0103
+
+CFG=7z_C - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "7z_C.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "7z_C.mak" CFG="7z_C - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "7z_C - Win32 Release" (based on "Win32 (x86) Console Application")
+!MESSAGE "7z_C - Win32 Debug" (based on "Win32 (x86) Console Application")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "7z_C - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /W4 /GX /O2 /D "NDEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "_LZMA_PROB32" /D "_LZMA_IN_CB" /D "_SZ_FILE_SIZE_64" /YX /FD /c
+# ADD BASE RSC /l 0x419 /d "NDEBUG"
+# ADD RSC /l 0x419 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 /out:"Release/7zDec.exe"
+
+!ELSEIF  "$(CFG)" == "7z_C - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /W4 /Gm /GX /ZI /Od /D "_DEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "_LZMA_PROB32" /D "_LZMA_IN_CB" /D "_SZ_FILE_SIZE_64" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x419 /d "_DEBUG"
+# ADD RSC /l 0x419 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /out:"Debug/7zDec.exe" /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "7z_C - Win32 Release"
+# Name "7z_C - Win32 Debug"
+# Begin Group "LZMA"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\Compress\Lzma\LzmaDecode.c
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Compress\Lzma\LzmaDecode.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Compress\Lzma\LzmaTypes.h
+# End Source File
+# End Group
+# Begin Group "Common"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\7zCrc.c
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\7zCrc.h
+# End Source File
+# End Group
+# Begin Source File
+
+SOURCE=.\7zAlloc.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zAlloc.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zBuffer.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zBuffer.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zDecode.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zDecode.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zExtract.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zExtract.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zHeader.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zHeader.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zIn.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zIn.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zItem.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zItem.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zMain.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zMethodID.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zMethodID.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\7zTypes.h
+# End Source File
+# End Target
+# End Project

C/Archive/7z/7z_C.dsw

@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "7z_C"=.\7z_C.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+

C/Archive/7z/makefile

@@ -0,0 +1,55 @@
+PROG = 7zDec.exe
+
+!IFNDEF O
+!IFDEF CPU
+O=$(CPU)
+!ELSE
+O=O
+!ENDIF
+!ENDIF
+
+CFLAGS = $(CFLAGS) -nologo -c -Fo$O/ -GS- 
+CFLAGS_O1 = $(CFLAGS) -O1
+CFLAGS_O2 = $(CFLAGS) -O2
+
+LFLAGS = $(LFLAGS) -nologo -OPT:NOWIN98
+
+PROGPATH = $O\$(PROG)
+
+COMPL_O1   = $(CPP) $(CFLAGS_O1) $**
+COMPL_O2   = $(CPP) $(CFLAGS_O2) $**
+COMPL      = $(CPP) $(CFLAGS_O1) $**
+
+
+7Z_OBJS = \
+  $O\7zAlloc.obj \
+  $O\7zBuffer.obj \
+  $O\7zCrc.obj \
+  $O\7zDecode.obj \
+  $O\7zExtract.obj \
+  $O\7zHeader.obj \
+  $O\7zIn.obj \
+  $O\7zItem.obj \
+  $O\7zMain.obj \
+  $O\7zMethodID.obj \
+
+OBJS = \
+  $(7Z_OBJS) \
+  $O\LzmaDecode.obj \
+
+all: $(PROGPATH) 
+
+clean:
+	-del /Q $(PROGPATH) $O\*.exe $O\*.dll $O\*.obj $O\*.lib $O\*.exp $O\*.res $O\*.pch 
+
+$O:
+	if not exist "$O" mkdir "$O"
+
+$(PROGPATH): $O $(OBJS)
+	link $(LFLAGS) -out:$(PROGPATH) $(OBJS) $(LIBS)
+
+
+$(7Z_OBJS): $(*B).c
+	$(COMPL)
+$O\LzmaDecode.obj: ../../Compress/LZMA_C/$(*B).c
+	$(COMPL_O2)

C/Archive/7z/makefile.gcc

@@ -0,0 +1,50 @@
+PROG = 7zDec
+CXX = g++
+LIB = 
+RM = rm -f
+CFLAGS = -c -O2 -Wall
+
+OBJS = 7zAlloc.o 7zBuffer.o 7zCrc.o 7zDecode.o 7zExtract.o 7zHeader.o 7zIn.o 7zItem.o 7zMain.o 7zMethodID.o LzmaDecode.o 
+
+all: $(PROG)
+
+$(PROG): $(OBJS)
+	$(CXX) -o $(PROG) $(LDFLAGS) $(OBJS) $(LIB)
+
+7zAlloc.o: 7zAlloc.c
+	$(CXX) $(CFLAGS) 7zAlloc.c
+
+7zBuffer.o: 7zBuffer.c
+	$(CXX) $(CFLAGS) 7zBuffer.c
+
+7zCrc.o: 7zCrc.c
+	$(CXX) $(CFLAGS) 7zCrc.c
+
+7zDecode.o: 7zDecode.c
+	$(CXX) $(CFLAGS) 7zDecode.c
+
+7zExtract.o: 7zExtract.c
+	$(CXX) $(CFLAGS) 7zExtract.c
+
+7zHeader.o: 7zHeader.c
+	$(CXX) $(CFLAGS) 7zHeader.c
+
+7zIn.o: 7zIn.c
+	$(CXX) $(CFLAGS) 7zIn.c
+
+7zItem.o: 7zItem.c
+	$(CXX) $(CFLAGS) 7zItem.c
+
+7zMain.o: 7zMain.c
+	$(CXX) $(CFLAGS) 7zMain.c
+
+7zMethodID.o: 7zMethodID.c
+	$(CXX) $(CFLAGS) 7zMethodID.c
+
+LzmaDecode.o: ../../Compress/LZMA_C/LzmaDecode.c
+	$(CXX) $(CFLAGS) ../../Compress/LZMA_C/LzmaDecode.c
+
+
+clean:
+	-$(RM) $(PROG) $(OBJS)
+