Fix cbuf::read and cbuf::peak return types

Fixes #12
esp8266 · Mar 29, 2015 · d703131 · d703131
1 parent d2c9354
commit d703131
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/cores/esp8266/cbuf.h b/cores/esp8266/cbuf.h
@@ -60,23 +60,23 @@ class cbuf
         return _begin == _end;
     }
 
-    char peek()
+    int peek()
     {
         if (_end == _begin)
             return -1;
 
-        return *_begin;
+        return static_cast<int>(*_begin);
     }
 
-    char read()
+    int read()
     {
         if (getSize() == 0)
             return -1;
 
         char result = *_begin;
         if (++_begin == _bufend)
             _begin = _buf;
-        return result;
+        return static_cast<int>(result);
     }
 
     size_t read(char* dst, size_t size)