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manual merge of IPAddress from Arduino.cc e3909b4e2c

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This commit is contained in:
Martin Ayotte 2016-01-17 09:43:07 -05:00
parent 371c7881c0
commit c1e91c722f
2 changed files with 44 additions and 0 deletions
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41
cores/esp8266/IPAddress.cpp
View File

@ -40,6 +40,47 @@ IPAddress::IPAddress(const uint8_t *address) {
memcpy(_address.bytes, address, sizeof(_address.bytes));
}
bool IPAddress::fromString(const char *address) {
// TODO: add support for "a", "a.b", "a.b.c" formats
uint16_t acc = 0; // Accumulator
uint8_t dots = 0;
while (*address)
{
char c = *address++;
if (c >= '0' && c <= '9')
{
acc = acc * 10 + (c - '0');
if (acc > 255) {
// Value out of [0..255] range
return false;
}
}
else if (c == '.')
{
if (dots == 3) {
// Too much dots (there must be 3 dots)
return false;
}
_address.bytes[dots++] = acc;
acc = 0;
}
else
{
// Invalid char
return false;
}
}
if (dots != 3) {
// Too few dots (there must be 3 dots)
return false;
}
_address.bytes[3] = acc;
return true;
}
IPAddress& IPAddress::operator=(const uint8_t *address) {
memcpy(_address.bytes, address, sizeof(_address.bytes));
return *this;

3
cores/esp8266/IPAddress.h
View File

@ -48,6 +48,9 @@ class IPAddress: public Printable {
IPAddress(uint32_t address);
IPAddress(const uint8_t *address);
bool fromString(const char *address);
bool fromString(const String &address) { return fromString(address.c_str()); }
// 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 {