uLUt: UL_NOPSTATEMENT defined

This construct can be used as macro parameter,
when macro argument is used as C language statement
inserted into generated code and in concrete
macro instantiation is no use for the functionality.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

diff --git a/ulut/ul_utdefs.h b/ulut/ul_utdefs.h
index d0ff65363177b461bd02b53174132f8a2b4d8e7a..f319ea193ae2f439a152f89c6a994920a598dc77 100644 (file)
--- a/ulut/ul_utdefs.h
+++ b/ulut/ul_utdefs.h
@@ -34,6 +34,10 @@ extern "C" {
 #endif /*__GNUC__*/
 #endif /*UL_CONTAINEROF*/
 
+#ifndef UL_NOPSTATEMENT
+#define UL_NOPSTATEMENT do { } while(0)
+#endif
+
 #ifndef ul_cyclic_gt
 #define ul_cyclic_gt(x,y) \
        ((sizeof(x)>=sizeof(long long))&&(sizeof(y)>=sizeof(long long))? \