Function ProcessFile

Libraries/unrar/dll.cpp:325–417

int PASCAL ProcessFile(HANDLE hArcData,int Operation,char *DestPath,char *DestName,wchar *DestPathW,wchar *DestNameW)
{
  DataSet *Data=(DataSet *)hArcData;
  try
  {
    Data->Cmd.DllError=0;
    if (Data->OpenMode==RAR_OM_LIST || Data->OpenMode==RAR_OM_LIST_INCSPLIT ||
        Operation==RAR_SKIP && !Data->Arc.Solid)
    {
      if (Data->Arc.Volume && Data->Arc.GetHeaderType()==HEAD_FILE &&
          Data->Arc.FileHead.SplitAfter)
        if (MergeArchive(Data->Arc,NULL,false,'L'))
        {
          Data->Arc.Seek(Data->Arc.CurBlockPos,SEEK_SET);
          return ERAR_SUCCESS;
        }
        else
          return ERAR_EOPEN;
      Data->Arc.SeekToNext();
    }
    else
    {
      Data->Cmd.DllOpMode=Operation;

      *Data->Cmd.ExtrPath=0;
      *Data->Cmd.DllDestName=0;

      if (DestPath!=NULL)
      {
        char ExtrPathA[NM];
        strncpyz(ExtrPathA,DestPath,ASIZE(ExtrPathA)-2);
#ifdef _WIN_ALL
        // We must not apply OemToCharBuffA directly to DestPath,
        // because we do not know DestPath length and OemToCharBuffA
        // does not stop at 0.
        OemToCharA(ExtrPathA,ExtrPathA);
#endif
        CharToWide(ExtrPathA,Data->Cmd.ExtrPath,ASIZE(Data->Cmd.ExtrPath));
        AddEndSlash(Data->Cmd.ExtrPath,ASIZE(Data->Cmd.ExtrPath));
      }
      if (DestName!=NULL)
      {
        char DestNameA[NM];
        strncpyz(DestNameA,DestName,ASIZE(DestNameA)-2);
#ifdef _WIN_ALL
        // We must not apply OemToCharBuffA directly to DestName,
        // because we do not know DestName length and OemToCharBuffA
        // does not stop at 0.
        OemToCharA(DestNameA,DestNameA);
#endif
        CharToWide(DestNameA,Data->Cmd.DllDestName,ASIZE(Data->Cmd.DllDestName));
      }

      if (DestPathW!=NULL)
      {
        wcsncpy(Data->Cmd.ExtrPath,DestPathW,ASIZE(Data->Cmd.ExtrPath));
        AddEndSlash(Data->Cmd.ExtrPath,ASIZE(Data->Cmd.ExtrPath));
      }