Function CalcAllowedDepth

Libraries/unrar/extinfo.cpp:78–93

Calculate a number of path components except \. and \..

// Calculate a number of path components except \. and \..
static int CalcAllowedDepth(const wchar *Name)
{
  int AllowedDepth=0;
  while (*Name!=0)
  {
    if (IsPathDiv(Name[0]) && Name[1]!=0 && !IsPathDiv(Name[1]))
    {
      bool Dot=Name[1]=='.' && (IsPathDiv(Name[2]) || Name[2]==0);
      bool Dot2=Name[1]=='.' && Name[2]=='.' && (IsPathDiv(Name[3]) || Name[3]==0);
      if (!Dot && !Dot2)
        AllowedDepth++;
    }
    Name++;
  }
  return AllowedDepth;
}


// Check if all existing path components are directories and not links.