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- #include "Arduino.h"
- #include "IPAddress.h"
-
- size_t IPAddress::printTo(Print& p) const
- {
- int i=0;
- while (1) {
- p.print(_address.bytes[i], DEC);
- if (++i >= 4) return 4;
- p.write('.');
- }
- }
-
- bool IPAddress::fromString(const char *address)
- {
- unsigned int acc = 0; // Accumulator
- unsigned int 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;
- }
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