diff options
Diffstat (limited to 'cores/arduino/IPAddress.h')
| -rw-r--r-- | cores/arduino/IPAddress.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/cores/arduino/IPAddress.h b/cores/arduino/IPAddress.h index 6ea8127..94acdc4 100644 --- a/cores/arduino/IPAddress.h +++ b/cores/arduino/IPAddress.h @@ -27,12 +27,16 @@ class IPAddress : public Printable { private: - uint8_t _address[4]; // IPv4 address + union { + uint8_t bytes[4]; // IPv4 address + uint32_t dword; + } _address; + // Access the raw byte array containing the address. Because this returns a pointer // to the internal structure rather than a copy of the address this function should only // be used when you know that the usage of the returned uint8_t* will be transient and not // stored. - uint8_t* raw_address() { return _address; }; + uint8_t* raw_address() { return _address.bytes; }; public: // Constructors @@ -43,13 +47,13 @@ public: // Overloaded cast operator to allow IPAddress objects to be used where a pointer // to a four-byte uint8_t array is expected - operator uint32_t() const { return *((uint32_t*)_address); }; - bool operator==(const IPAddress& addr) const { return (*((uint32_t*)_address)) == (*((uint32_t*)addr._address)); }; + operator uint32_t() const { return _address.dword; }; + bool operator==(const IPAddress& addr) const { return _address.dword == addr._address.dword; }; bool operator==(const uint8_t* addr) const; // Overloaded index operator to allow getting and setting individual octets of the address - uint8_t operator[](int index) const { return _address[index]; }; - uint8_t& operator[](int index) { return _address[index]; }; + uint8_t operator[](int index) const { return _address.bytes[index]; }; + uint8_t& operator[](int index) { return _address.bytes[index]; }; // Overloaded copy operators to allow initialisation of IPAddress objects from other types IPAddress& operator=(const uint8_t *address); |