Earle F. Philhower, III
ab02801d76
Fixes #171 Under Windows, it is very hard to make a symlink and by default git won't make one to the Arduino API directory, causing annoying build errors. Avoid the issue by duplicating the ArduinoAPI directory explicitly and using CI to verify that there are no differences between the two.
128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
/*
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IPAddress.cpp - Base class that provides IPAddress
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Copyright (c) 2011 Adrian McEwen. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "IPAddress.h"
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#include "Print.h"
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using namespace arduino;
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IPAddress::IPAddress()
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{
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_address.dword = 0;
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}
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IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet)
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{
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_address.bytes[0] = first_octet;
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_address.bytes[1] = second_octet;
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_address.bytes[2] = third_octet;
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_address.bytes[3] = fourth_octet;
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}
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IPAddress::IPAddress(uint32_t address)
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{
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_address.dword = address;
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}
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IPAddress::IPAddress(const uint8_t *address)
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{
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memcpy(_address.bytes, address, sizeof(_address.bytes));
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}
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bool IPAddress::fromString(const char *address)
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{
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// TODO: add support for "a", "a.b", "a.b.c" formats
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int16_t acc = -1; // Accumulator
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uint8_t dots = 0;
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while (*address)
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{
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char c = *address++;
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if (c >= '0' && c <= '9')
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{
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acc = (acc < 0) ? (c - '0') : acc * 10 + (c - '0');
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if (acc > 255) {
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// Value out of [0..255] range
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return false;
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}
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}
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else if (c == '.')
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{
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if (dots == 3) {
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// Too much dots (there must be 3 dots)
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return false;
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}
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if (acc < 0) {
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/* No value between dots, e.g. '1..' */
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return false;
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}
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_address.bytes[dots++] = acc;
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acc = -1;
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}
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else
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{
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// Invalid char
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return false;
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}
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}
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if (dots != 3) {
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// Too few dots (there must be 3 dots)
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return false;
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}
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if (acc < 0) {
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/* No value between dots, e.g. '1..' */
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return false;
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}
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_address.bytes[3] = acc;
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return true;
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}
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IPAddress& IPAddress::operator=(const uint8_t *address)
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{
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memcpy(_address.bytes, address, sizeof(_address.bytes));
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return *this;
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}
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IPAddress& IPAddress::operator=(uint32_t address)
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{
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_address.dword = address;
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return *this;
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}
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bool IPAddress::operator==(const uint8_t* addr) const
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{
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return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0;
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}
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size_t IPAddress::printTo(Print& p) const
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{
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size_t n = 0;
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for (int i =0; i < 3; i++)
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{
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n += p.print(_address.bytes[i], DEC);
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n += p.print('.');
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}
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n += p.print(_address.bytes[3], DEC);
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return n;
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}
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const IPAddress arduino::INADDR_NONE(0,0,0,0);
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