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Arduino/libraries/Ethernet/IPAddress.cpp
David A. Mellis 8059abe581 write(), print(), and println() now return number of bytes written.
The type is long, and negative values indicate errors.  Needs more testing.
http://code.google.com/p/arduino/issues/detail?id=551
2011-08-23 19:12:03 -04:00

57 lines
1.2 KiB
C++

#include <Arduino.h>
#include <IPAddress.h>
IPAddress::IPAddress()
{
memset(_address, 0, sizeof(_address));
}
IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet)
{
_address[0] = first_octet;
_address[1] = second_octet;
_address[2] = third_octet;
_address[3] = fourth_octet;
}
IPAddress::IPAddress(uint32_t address)
{
memcpy(_address, &address, sizeof(_address));
}
IPAddress::IPAddress(const uint8_t *address)
{
memcpy(_address, address, sizeof(_address));
}
IPAddress& IPAddress::operator=(const uint8_t *address)
{
memcpy(_address, address, sizeof(_address));
return *this;
}
IPAddress& IPAddress::operator=(uint32_t address)
{
memcpy(_address, (const uint8_t *)&address, sizeof(_address));
return *this;
}
bool IPAddress::operator==(const uint8_t* addr)
{
return memcmp(addr, _address, sizeof(_address)) == 0;
}
long IPAddress::printTo(Print& p) const
{
long n = 0, t;
for (int i =0; i < 3; i++)
{
if ((t = p.print(_address[i], DEC)) > 0) n += t;
if ((t = p.print('.')) > 0) n+= t;
}
if ((t = p.print(_address[3], DEC)) > 0) n += t;
return n;
}