C++ (Cpp) CInFile Examples

Example #1

File: 7zUpdate.cpp Project: 0vermind/NeoLoader

static bool IsExeFile(const CUpdateItem &ui)
{
  if (ui.Attrib & FILE_ATTRIBUTE_UNIX_EXTENSION) {
    unsigned short st_mode =  ui.Attrib >> 16;
    if ((st_mode & 00111) && (ui.Size >= 2048))
    {
      // file has the execution flag and it's big enought
      // try to find if the file is a script
      NWindows::NFile::NIO::CInFile file;
      if (file.Open(ui.Name))
      {
        char buffer[512];
        UINT32 processedSize;
        if (file.Read(buffer,sizeof(buffer),processedSize))
        {
          for(UInt32 i = 0; i < processedSize ; i++)
          {
            if (buffer[i] == 0) 
	    {
              return true; // this file is not a text (ascii, utf8, ...) !
	    }
          }
       }
     }
   }
  } 

Example #2

File: Lang.cpp Project: SaketaChalamchala/DisassemblyAccuracy

bool CLang::Open(CFSTR fileName, const wchar_t *id)
{
  Clear();
  NWindows::NFile::NIO::CInFile file;
  if (!file.Open(fileName))
    return false;
  UInt64 length;
  if (!file.GetLength(length))
    return false;
  if (length > (1 << 20))
    return false;
  
  AString s;
  unsigned len = (unsigned)length;
  char *p = s.GetBuf(len);
  UInt32 processed;
  if (!file.Read(p, len, processed))
    return false;
  file.Close();
  if (len != processed)
    return false;

  char *p2 = p;
  for (unsigned i = 0; i < len; i++)
  {
    char c = p[i];
    if (c == 0)
      break;
    if (c != 0x0D)
      *p2++ = c;
  }
  *p2 = 0;
  s.ReleaseBuf_SetLen((unsigned)(p2 - p));
  
  if (OpenFromString(s))
  {
    const wchar_t *name = Get(0);
    if (name && wcscmp(name, id) == 0)
      return true;
  }
  
  Clear();
  return false;
}

Example #3

File: ListFileUtils.cpp Project: MIPS/external-lzma

bool ReadNamesFromListFile(CFSTR fileName, UStringVector &strings, UINT codePage)
{
  NWindows::NFile::NIO::CInFile file;
  if (!file.Open(fileName))
    return false;
  UInt64 fileSize;
  if (!file.GetLength(fileSize))
    return false;
  if (fileSize >= ((UInt32)1 << 31) - 32)
    return false;
  UString u;
  if (codePage == MY__CP_UTF16 || codePage == MY__CP_UTF16BE)
  {
    if ((fileSize & 1) != 0)
      return false;
    CByteArr buf((size_t)fileSize);
    UInt32 processed;
    if (!file.Read(buf, (UInt32)fileSize, processed))
      return false;
    if (processed != fileSize)
      return false;
    file.Close();
    unsigned num = (unsigned)fileSize / 2;
    wchar_t *p = u.GetBuf(num);
    if (codePage == MY__CP_UTF16)
      for (unsigned i = 0; i < num; i++)
      {
        wchar_t c = GetUi16(buf + i * 2);
        if (c == 0)
          return false;
        p[i] = c;
      }
    else
      for (unsigned i = 0; i < num; i++)
      {
        wchar_t c = (wchar_t)GetBe16(buf + i * 2);
        if (c == 0)
          return false;
        p[i] = c;
      }
    p[num] = 0;
    u.ReleaseBuf_SetLen(num);
  }
  else
  {
    AString s;
    char *p = s.GetBuf((unsigned)fileSize);
    UInt32 processed;
    if (!file.Read(p, (UInt32)fileSize, processed))
      return false;
    if (processed != fileSize)
      return false;
    file.Close();
    s.ReleaseBuf_CalcLen((unsigned)processed);
    if (s.Len() != processed)
      return false;
    
    // #ifdef CP_UTF8
    if (codePage == CP_UTF8)
    {
      if (!ConvertUTF8ToUnicode(s, u))
        return false;
    }
    else
    // #endif
      MultiByteToUnicodeString2(u, s, codePage);
  }

  const wchar_t kGoodBOM = 0xFEFF;
  const wchar_t kBadBOM  = 0xFFFE;
  
  UString s;
  unsigned i = 0;
  for (; i < u.Len() && u[i] == kGoodBOM; i++);
  for (; i < u.Len(); i++)
  {
    wchar_t c = u[i];
    if (c == kGoodBOM || c == kBadBOM)
      return false;
    if (c == L'\n' || c == 0xD)
    {
      AddName(strings, s);
      s.Empty();
    }
    else
      s += c;
  }
  AddName(strings, s);
  return true;
}