diff --git a/qpms/qpms_error.h b/qpms/qpms_error.h
index af5fdc5..1347acd 100644
--- a/qpms/qpms_error.h
+++ b/qpms/qpms_error.h
@@ -41,7 +41,6 @@ qpms_dbgmsg_flags qpms_dbgmsg_disable(qpms_dbgmsg_flags types);
 qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
 
 
-
 #define QPMS_WARN(msg, ...) qpms_warn_at_flf(__FILE__,__LINE__,__func__,msg, ##__VA_ARGS__)
 
 #define QPMS_DEBUG(type, msg, ...) qpms_debug_at_flf(__FILE__,__LINE__,__func__,type,msg, ##__VA_ARGS__)
@@ -52,6 +51,14 @@ qpms_dbgmsg_flags qpms_dbgmsg_enable(qpms_dbgmsg_flags types);
 
 #define QPMS_WTF qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,"Unexpected error.")
 
+#define QPMS_UNTESTED {\
+	static bool already_bitched = false; \
+	if (!already_bitched) {\
+		qpms_warn_at_flf(__FILE__,__LINE__,__func__,"Warning: untested function/feature!")\
+		already_bitched = true;\
+	}\
+}
+
 #define QPMS_PR_ERROR(msg, ...) qpms_pr_error_at_flf(__FILE__,__LINE__,__func__,msg, ##__VA_ARGS__)
 
 #define QPMS_ENSURE_SUCCESS(x) {if(x) QPMS_WTF;}