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#include "rar.hpp"
#if defined(RARDLL) && defined(_MSC_VER) && !defined(_WIN_64)
// Disable the run time stack check for unrar.dll, so we can manipulate
// with ChangeVolProc call type below. Run time check would intercept
// a wrong ESP before we restore it.
#pragma runtime_checks( "s", off )
#endif
bool MergeArchive(Archive &Arc,ComprDataIO *DataIO,bool ShowFileName,char Command)
{
RAROptions *Cmd=Arc.GetRAROptions();
int HeaderType=Arc.GetHeaderType();
FileHeader *hd=HeaderType==NEWSUB_HEAD ? &Arc.SubHead:&Arc.NewLhd;
bool SplitHeader=(HeaderType==FILE_HEAD || HeaderType==NEWSUB_HEAD) &&
(hd->Flags & LHD_SPLIT_AFTER)!=0;
if (DataIO!=NULL && SplitHeader && hd->UnpVer>=20 &&
hd->FileCRC!=0xffffffff && DataIO->PackedCRC!=~hd->FileCRC)
{
Log(Arc.FileName,St(MDataBadCRC),hd->FileName,Arc.FileName);
}
int64 PosBeforeClose=Arc.Tell();
if (DataIO!=NULL)
DataIO->ProcessedArcSize+=Arc.FileLength();
Arc.Close();
char NextName[NM];
wchar NextNameW[NM];
strcpy(NextName,Arc.FileName);
wcscpy(NextNameW,Arc.FileNameW);
NextVolumeName(NextName,NextNameW,ASIZE(NextName),(Arc.NewMhd.Flags & MHD_NEWNUMBERING)==0 || Arc.OldFormat);
#if !defined(SFX_MODULE) && !defined(RARDLL)
bool RecoveryDone=false;
#endif
bool FailedOpen=false,OldSchemeTested=false;
#if !defined(GUI) && !defined(SILENT)
// In -vp mode we force the pause before next volume even if it is present
// and even if we are on the hard disk. It is important when user does not
// want to process partially downloaded volumes preliminary.
if (Cmd->VolumePause && !AskNextVol(NextName,NextNameW))
FailedOpen=true;
#endif
if (!FailedOpen)
while (!Arc.Open(NextName,NextNameW))
{
// We need to open a new volume which size was not calculated
// in total size before, so we cannot calculate the total progress
// anymore. Let's reset the total size to zero and stop
// the total progress.
if (DataIO!=NULL)
DataIO->TotalArcSize=0;
if (!OldSchemeTested)
{
// Checking for new style volumes renamed by user to old style
// name format. Some users did it for unknown reason.
char AltNextName[NM];
wchar AltNextNameW[NM];
strcpy(AltNextName,Arc.FileName);
wcscpy(AltNextNameW,Arc.FileNameW);
NextVolumeName(AltNextName,AltNextNameW,ASIZE(AltNextName),true);
OldSchemeTested=true;
if (Arc.Open(AltNextName,AltNextNameW))
{
strcpy(NextName,AltNextName);
wcscpy(NextNameW,AltNextNameW);
break;
}
}
#ifdef RARDLL
if (Cmd->Callback==NULL && Cmd->ChangeVolProc==NULL ||
Cmd->Callback!=NULL && Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LPARAM)NextName,RAR_VOL_ASK)==-1)
{
Cmd->DllError=ERAR_EOPEN;
FailedOpen=true;
break;
}
if (Cmd->ChangeVolProc!=NULL)
{
// Here we preserve ESP value. It is necessary for those developers,
// who still define ChangeVolProc callback as "C" type function,
// even though in year 2001 we announced in unrar.dll whatsnew.txt
// that it will be PASCAL type (for compatibility with Visual Basic).
#if defined(_MSC_VER)
#ifndef _WIN_64
__asm mov ebx,esp
#endif
#elif defined(_WIN_ALL) && defined(__BORLANDC__)
_EBX=_ESP;
#endif
int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_ASK);
// Restore ESP after ChangeVolProc with wrongly defined calling
// convention broken it.
#if defined(_MSC_VER)
#ifndef _WIN_64
__asm mov esp,ebx
#endif
#elif defined(_WIN_ALL) && defined(__BORLANDC__)
_ESP=_EBX;
#endif
if (RetCode==0)
{
Cmd->DllError=ERAR_EOPEN;
FailedOpen=true;
break;
}
}
#else // RARDLL
#if !defined(SFX_MODULE) && !defined(_WIN_CE)
if (!RecoveryDone)
{
RecVolumes RecVol;
RecVol.Restore(Cmd,Arc.FileName,Arc.FileNameW,true);
RecoveryDone=true;
continue;
}
#endif
#ifndef GUI
if (!Cmd->VolumePause && !IsRemovable(NextName))
{
FailedOpen=true;
break;
}
#endif
#ifndef SILENT
if (Cmd->AllYes || !AskNextVol(NextName,NextNameW))
#endif
{
FailedOpen=true;
break;
}
#endif // RARDLL
}
if (FailedOpen)
{
#if !defined(SILENT) && !defined(_WIN_CE)
Log(Arc.FileName,St(MAbsNextVol),NextName);
#endif
Arc.Open(Arc.FileName,Arc.FileNameW);
Arc.Seek(PosBeforeClose,SEEK_SET);
return(false);
}
Arc.CheckArc(true);
#ifdef RARDLL
if (Cmd->Callback!=NULL &&
Cmd->Callback(UCM_CHANGEVOLUME,Cmd->UserData,(LPARAM)NextName,RAR_VOL_NOTIFY)==-1)
return(false);
if (Cmd->ChangeVolProc!=NULL)
{
#if defined(_WIN_ALL) && !defined(_MSC_VER) && !defined(__MINGW32__)
_EBX=_ESP;
#endif
int RetCode=Cmd->ChangeVolProc(NextName,RAR_VOL_NOTIFY);
#if defined(_WIN_ALL) && !defined(_MSC_VER) && !defined(__MINGW32__)
_ESP=_EBX;
#endif
if (RetCode==0)
return(false);
}
#endif
if (Command=='T' || Command=='X' || Command=='E')
mprintf(St(Command=='T' ? MTestVol:MExtrVol),Arc.FileName);
if (SplitHeader)
Arc.SearchBlock(HeaderType);
else
Arc.ReadHeader();
if (Arc.GetHeaderType()==FILE_HEAD)
{
Arc.ConvertAttributes();
Arc.Seek(Arc.NextBlockPos-Arc.NewLhd.FullPackSize,SEEK_SET);
}
#ifndef GUI
if (ShowFileName)
{
char OutName[NM];
IntToExt(Arc.NewLhd.FileName,OutName);
#ifdef UNICODE_SUPPORTED
bool WideName=(Arc.NewLhd.Flags & LHD_UNICODE) && UnicodeEnabled();
if (WideName)
{
wchar NameW[NM];
ConvertPath(Arc.NewLhd.FileNameW,NameW);
char Name[NM];
if (WideToChar(NameW,Name) && IsNameUsable(Name))
strcpy(OutName,Name);
}
#endif
mprintf(St(MExtrPoints),OutName);
if (!Cmd->DisablePercentage)
mprintf(" ");
}
#endif
if (DataIO!=NULL)
{
if (HeaderType==ENDARC_HEAD)
DataIO->UnpVolume=false;
else
{
DataIO->UnpVolume=(hd->Flags & LHD_SPLIT_AFTER)!=0;
DataIO->SetPackedSizeToRead(hd->FullPackSize);
}
#ifdef SFX_MODULE
DataIO->UnpArcSize=Arc.FileLength();
#endif
// Reset the size of packed data read from current volume. It is used
// to display the total progress and preceding volumes are already
// compensated with ProcessedArcSize, so we need to reset this variable.
DataIO->CurUnpRead=0;
DataIO->PackedCRC=0xffffffff;
// DataIO->SetFiles(&Arc,NULL);
}
return(true);
}
#if defined(RARDLL) && defined(_MSC_VER) && !defined(_WIN_64)
// Restore the run time stack check for unrar.dll.
#pragma runtime_checks( "s", restore )
#endif
#ifndef SILENT
bool AskNextVol(char *ArcName,wchar *ArcNameW)
{
eprintf(St(MAskNextVol),ArcName);
if (Ask(St(MContinueQuit))==2)
return(false);
return(true);
}
#endif
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