const-correctness IPAddress::toString()

it doesn't modify any member variables, should be safe to be const.
r3wald · Sep 12, 2016 · 5666ec2 · 5666ec2
1 parent 4897e00
commit 5666ec2
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/cores/esp8266/IPAddress.cpp b/cores/esp8266/IPAddress.cpp
@@ -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]);

diff --git a/cores/esp8266/IPAddress.h b/cores/esp8266/IPAddress.h
@@ -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;