ddtoul_t :: ddtoul_t( char const *dotted )
: netOrder_( 0 ),
hostOrder_( 0 ),
worked_( true )
{
//
// build in network order, then convert
//
unsigned char byteId = 0 ;
unsigned char *netBytes = (unsigned char *)&netOrder_ ;
for( ; ( byteId < 4 ) && ( worked_ ) ; byteId++, netBytes++ )
{
unsigned long byteValue = 0 ;
while( worked_ )
{
char const dig = *dotted++ ;
if( ( '0' <= dig ) && ( '9' >= dig ) )
{
byteValue *= 10 ;
byteValue += ( dig - '0' );
}
else if( '\0' == dig )
{
worked_ = ( 3 == byteId );
break;
}
else if( '.' == dig )
{
worked_ = ( 3 > byteId );
break;
}
else
worked_ = false ;
} // process segment
if( worked_ )
{
worked_ = ( byteValue < 256 );
if( worked_ )
*netBytes = (unsigned char)byteValue ;
}
} // for each byte
if( worked_ )
{
hostOrder_ = networkToHost( netOrder_ );
}
else
{
netOrder_ = 0 ;
}
}
uint32_t hostToNetwork(uint32_t value)
{
return networkToHost(value);
}
