Method Restore

Libraries/unrar/recvol3.cpp:102–483

bool RecVolumes3::Restore(RAROptions *Cmd,const wchar *Name,bool Silent)
{
  wchar ArcName[NM];
  wcsncpyz(ArcName,Name,ASIZE(ArcName));
  wchar *Ext=GetExt(ArcName);
  bool NewStyle=false; // New style .rev volumes are supported since RAR 3.10.
  bool RevName=Ext!=NULL && wcsicomp(Ext,L".rev")==0;
  if (RevName)
  {
    NewStyle=IsNewStyleRev(ArcName);
    while (Ext>ArcName+1 && (IsDigit(*(Ext-1)) || *(Ext-1)=='_'))
      Ext--;
    wcsncpyz(Ext,L"*.*",ASIZE(ArcName)-(Ext-ArcName));
    
    FindFile Find;
    Find.SetMask(ArcName);
    FindData fd;
    while (Find.Next(&fd))
    {
      Archive Arc(Cmd);
      if (Arc.WOpen(fd.Name) && Arc.IsArchive(true))
      {
        wcsncpyz(ArcName,fd.Name,ASIZE(ArcName));
        break;
      }
    }
  }

  Archive Arc(Cmd);
  if (!Arc.WCheckOpen(ArcName))
    return false;
  if (!Arc.Volume)
  {
    uiMsg(UIERROR_NOTVOLUME,ArcName);
    return false;
  }
  bool NewNumbering=Arc.NewNumbering;
  Arc.Close();

  wchar *VolNumStart=VolNameToFirstName(ArcName,ArcName,ASIZE(ArcName),NewNumbering);
  wchar RecVolMask[NM];
  wcsncpyz(RecVolMask,ArcName,ASIZE(RecVolMask));
  size_t BaseNamePartLength=VolNumStart-ArcName;
  wcsncpyz(RecVolMask+BaseNamePartLength,L"*.rev",ASIZE(RecVolMask)-BaseNamePartLength);

  int64 RecFileSize=0;

  // We cannot display "Calculating CRC..." message here, because we do not
  // know if we'll find any recovery volumes. We'll display it after finding
  // the first recovery volume.
  bool CalcCRCMessageDone=false;

  FindFile Find;
  Find.SetMask(RecVolMask);
  FindData RecData;
  int FileNumber=0,RecVolNumber=0,FoundRecVolumes=0,MissingVolumes=0;
  wchar PrevName[NM];
  while (Find.Next(&RecData))