Diff: internal/common.h

Revision:

2:05e20e184e7e

Parent:

1:6ec9998427ad

Child:

3:2dc2592bae5e

--- a/internal/common.h	Mon Aug 11 03:29:30 2014 -0700
+++ b/internal/common.h	Mon Aug 11 03:38:27 2014 -0700
@@ -28,6 +28,8 @@
 #define CHECK_CALLBACK_AVAILABLE(cb)
 #endif
 
+#define UNUSED(expr)  do { (void)(expr); } while (0)
+
 #define CHECK_CLEANUP_COMMAND()                                     \
     if(result != WICONNECT_PROCESSING)                              \
     {                                                               \
@@ -58,7 +60,8 @@
 #define SET_STR_BUFFER(_buffer, size)                               \
     char *ptr, *buf;                                                \
     static char defaultBuffer[size];                                \
-    ptr = buf = (_buffer == NULL) ? defaultBuffer : _buffer;
+    ptr = buf = (_buffer == NULL) ? defaultBuffer : _buffer;        \
+    UNUSED(buf)
 #else
 #define SET_STR_BUFFER(_buffer, size)                               \
     char *ptr, *buf;                                                \
@@ -66,5 +69,6 @@
     {                                                               \
         return "<null>";                                            \
     }                                                               \
-    ptr = buf = _buffer;
+    ptr = buf = _buffer;                                            \
+    UNUSED(buf)
 #endif