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const-correctness IPAddress::toString()

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it doesn't modify any member variables, should be safe to be const.
This commit is contained in:
Victor Tseng 2016-09-13 00:32:29 +08:00
parent 4897e0006b
commit 5666ec2ec1
2 changed files with 2 additions and 2 deletions
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2
cores/esp8266/IPAddress.cpp
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@ -105,7 +105,7 @@ size_t IPAddress::printTo(Print& p) const {
return n;
}
String IPAddress::toString()
String IPAddress::toString() const
{
char szRet[16];
sprintf(szRet,"%u.%u.%u.%u", _address.bytes[0], _address.bytes[1], _address.bytes[2], _address.bytes[3]);

2
cores/esp8266/IPAddress.h
View File

@ -77,7 +77,7 @@ class IPAddress: public Printable {
IPAddress& operator=(uint32_t address);
virtual size_t printTo(Print& p) const;
String toString();
String toString() const;
friend class EthernetClass;
friend class UDP;