--- a/misc/libphysfs/lzma/C/Archive/7z/7zExtract.c	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,119 +0,0 @@
-/* 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 unPackSizeSpec = SzFolderGetUnPackSize(folder);
-    size_t unPackSize = (size_t)unPackSizeSpec;
-    CFileSize startOffset = SzArDbGetFolderStreamPos(db, folderIndex, 0);
-    #ifndef _LZMA_IN_CB
-    Byte *inBuffer = 0;
-    size_t processedSize;
-    CFileSize packSizeSpec;
-    size_t packSize;
-    RINOK(SzArDbGetFolderFullPackSize(db, folderIndex, &packSizeSpec));
-    packSize = (size_t)packSizeSpec;
-    if (packSize != packSizeSpec)
-      return SZE_OUTOFMEMORY;
-    #endif
-    if (unPackSize != unPackSizeSpec)
-      return SZE_OUTOFMEMORY;
-    *blockIndex = folderIndex;
-    allocMain->Free(*outBuffer);
-    *outBuffer = 0;
-    
-    RINOK(inStream->Seek(inStream, startOffset));
-    
-    #ifndef _LZMA_IN_CB
-    if (packSize != 0)
-    {
-      inBuffer = (Byte *)allocTemp->Alloc(packSize);
-      if (inBuffer == 0)
-        return SZE_OUTOFMEMORY;
-    }
-    res = inStream->Read(inStream, inBuffer, packSize, &processedSize);
-    if (res == SZ_OK && processedSize != packSize)
-      res = SZE_FAIL;
-    #endif
-    if (res == SZ_OK)
-    {
-      *outBufferSize = unPackSize;
-      if (unPackSize != 0)
-      {
-        *outBuffer = (Byte *)allocMain->Alloc(unPackSize);
-        if (*outBuffer == 0)
-          res = SZE_OUTOFMEMORY;
-      }
-      if (res == SZ_OK)
-      {
-        res = SzDecode(db->Database.PackSizes + 
-          db->FolderStartPackStreamIndex[folderIndex], folder, 
-          #ifdef _LZMA_IN_CB
-          inStream, startOffset, 
-          #else
-          inBuffer, 
-          #endif
-          *outBuffer, unPackSize, allocTemp);
-        if (res == SZ_OK)
-        {
-          if (folder->UnPackCRCDefined)
-          {
-            if (CrcCalc(*outBuffer, unPackSize) != folder->UnPackCRC)
-              res = SZE_CRC_ERROR;
-          }
-        }
-      }
-    }
-    #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 (CrcCalc(*outBuffer + *offset, *outSizeProcessed) != fileItem->FileCRC)
-          res = SZE_CRC_ERROR;
-      }
-    }
-  }
-  return res;
-}