The other code did not work, and ((void)0) is actually specified in the standard.

diff --git a/includes/assert.h b/includes/assert.h
index e2618a0e964a32ec5e947acf4aafc2ccb5d2fcde..44b30b87b7bdbe98281ad086afed1162fb623a4c 100644 (file)
--- a/includes/assert.h
+++ b/includes/assert.h
@@ -42,10 +42,7 @@ void _PDCLIB_assert89( char const * const );
 #undef assert
 
 #ifdef NDEBUG
-#define assert( ignore ) do { \
-        if(!(expression)) { _PDCLIB_UNREACHABLE; } \
-    } while(0)
-
+#define assert( ignore ) ( (void) 0 )
 #elif _PDCLIB_C_MIN(99)
 #define assert(expression) \
     do { if(!(expression)) { \