Merge pull request #402 from adafruit/develop

availableForWrite() return int instead of size_t

Author: hathach

changelog.md

@@ -1,5 +1,9 @@
 # Adafruit nRF52 Arduino Core Changelog
 
+## 0.15.1 - 2019.12.31
+
+- Print::availableForWrite() return int instead of size_t
+
 ## 0.15.0 - 2019.12.30
 
 ### Core

cores/nRF5/Print.h

@@ -58,7 +58,7 @@ class Print
 
     // default to zero, meaning "a single write may block"
     // should be overriden by subclasses with buffering
-    virtual size_t availableForWrite() { return 0; }
+    virtual int availableForWrite() { return 0; }
 
     size_t print(const __FlashStringHelper *);
     size_t print(const String &);