From 9365f6d1163f33759b1de831906b977fb9f3b760 Mon Sep 17 00:00:00 2001
From: "Earle F. Philhower, III" <earlephilhower@yahoo.com>
Date: Wed, 13 Mar 2019 18:06:15 -0700
Subject: [PATCH] Fix Serial.write(0) overloading (#5878)

Add missing "using Print::write" to the HWSerial class to get the proper
overrides to make Serial.write(0) and Serial1.write(0) work as expected.
---
 cores/esp8266/HardwareSerial.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/cores/esp8266/HardwareSerial.h b/cores/esp8266/HardwareSerial.h
index 2ede7df43..88130ec7b 100644
--- a/cores/esp8266/HardwareSerial.h
+++ b/cores/esp8266/HardwareSerial.h
@@ -156,10 +156,7 @@ public:
     {
         return uart_write(_uart, (const char*)buffer, size);
     }
-    size_t write(const char *buffer)
-    {
-        return buffer? uart_write(_uart, buffer, strlen(buffer)): 0;
-    }
+    using Print::write; // Import other write() methods to support things like write(0) properly
     operator bool() const
     {
         return _uart != 0;