RtlIpv6StringToAddressExA

NTSTATUS __stdcall RtlIpv6StringToAddressExA(PCSTR AddressString, in6_addr *Address, PULONG ScopeId, PUSHORT Port){
  char v7; 
  bool v8; 
  INT8 *v9; 
  unsigned __int16 v10; 
  unsigned int v11; 
  INT8 *v12; 
  unsigned int v13; 
  bool v14; 
  unsigned __int16 v15; 
  INT8 *v16; 
  char v17; 
  INT8 v18; 
  __int16 v19; 
  __int16 v20; 
  NTSTATUS v21; 
  int v22; 
  NTSTATUS v23; 
  __int16 v24; 
  NTSTATUS result; 
  INT8 *v26; 
  bool v27; 

  v26 = 0i64;
  if( !AddressString || !Address || !ScopeId || !Port )
    return -1073741811;
  v7 = *AddressString;
  v8 = *AddressString == 91;
  v9 = (INT8 *)(AddressString + 1);
  v10 = 0;
  if( !v8 )
    v9 = (INT8 *)AddressString;
  v11 = 0;
  v27 = v8;
  if( RtlIpv6StringToAddressA(v9, &v26, Address) < 0 )
    return -1073741811;
  v12 = v26;
  if( *v26 == 37 )
  {
    v12 = v26 + 1;
    v13 = v26[1];
    if( !_isascii(v13) || !isdigit(v13) )
      return -1073741811;
    while( (_BYTE)v13 && (_BYTE)v13 != 93 )
    {
      if( !_isascii((char)v13)
        || !isdigit((unsigned int)(char)v13)
        || (char)v13 + 2 * (5 * (unsigned __int64)v11 - 24) > 0xFFFFFFFF )
      {
        return -1073741811;
      }
      v11 = (char)v13 + 10 * v11 - 48;
      LOBYTE(v13) = *++v12;
    }
  }
  if( *v12 == 93 )
  {
    if( v7 != 91 )
      return -1073741811;
    ++v12;
    v14 = 0;
    v27 = 0;
    if( *v12 == 58 )
    {
      ++v12;
      v15 = 10;
      if( *v12 == 48 )
      {
        v16 = v12 + 1;
        v15 = 8;
        v17 = *++v12 - 88;
        if( (v17 & 0xDF) == 0 )
        {
          v15 = 16;
          v12 = v16 + 1;
        }
      }
      v18 = *v12;
      if( *v12 )
      {
        while( 1 )
        {
          if( _isascii(v18) && isdigit((unsigned int)v18) && v18 - 48 < v15 )
          {
            if( v18 + v15 * (unsigned int)v10 - 48 > 0xFFFF )
              return -1073741811;
            v19 = v18;
            v20 = v10 * v15 - 48;
          }
          else
          {
            if( v15 != 16 || !_isascii(v18) || !isxdigit((unsigned int)v18) )
              return -1073741811;
            if( !_isascii(v18) || (v21 = islower((unsigned int)v18), v22 = 97, !v21) )
              v22 = 65;
            if( v18 + 16 * (unsigned int)v10 - v22 + 10 > 0xFFFF )
              return -1073741811;
            v20 = 16 * v10;
            if( !_isascii(v18) || (v23 = islower((unsigned int)v18), v24 = 97, !v23) )
              v24 = 65;
            v19 = v18 - v24 + 10;
          }
          ++v12;
          v10 = v19 + v20;
          v18 = *v12;
          if( !*v12 )
            goto LABEL_41;
        }
      }
    }
  }
  else
  {
LABEL_41:
    v14 = v27;
  }
  if( !*v12 && !v14 )
  {
    *Port = __ROR2__(v10, 8);
    result = 0;
    *ScopeId = v11;
    return result;
  }
  return -1073741811;
}

Referenced by: