Version to make it easier to reuse without source modifications

Revision:
0:5cd4781e0c88
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MQTTLogging.h	Tue Mar 27 17:26:35 2018 +0000
@@ -0,0 +1,39 @@
+#if !defined(MQTT_LOGGING_H)
+#define MQTT_LOGGING_H
+
+#define STREAM      stdout
+#if !defined(DEBUG)
+#define DEBUG(...)    \
+    {\
+    fprintf(STREAM, "DEBUG:   %s L#%d ", __PRETTY_FUNCTION__, __LINE__);  \
+    fprintf(STREAM, ##__VA_ARGS__); \
+    fflush(STREAM); \
+    }
+#endif
+#if !defined(LOG)
+#define LOG(...)    \
+    {\
+    fprintf(STREAM, "LOG:   %s L#%d ", __PRETTY_FUNCTION__, __LINE__);  \
+    fprintf(STREAM, ##__VA_ARGS__); \
+    fflush(STREAM); \
+    }
+#endif
+#if !defined(WARN)
+#define WARN(...)   \
+    { \
+    fprintf(STREAM, "WARN:  %s L#%d ", __PRETTY_FUNCTION__, __LINE__);  \
+    fprintf(STREAM, ##__VA_ARGS__); \
+    fflush(STREAM); \
+    }
+#endif 
+#if !defined(ERROR)
+#define ERROR(...)  \
+    { \
+    fprintf(STREAM, "ERROR: %s L#%d ", __PRETTY_FUNCTION__, __LINE__); \
+    fprintf(STREAM, ##__VA_ARGS__); \
+    fflush(STREAM); \
+    exit(1); \
+    }
+#endif
+
+#endif
\ No newline at end of file