+#else
+void _PDCLIB_assert( char const * const message )
+{
+ fputs( message, stderr );
+ abort();
+}
+#endif
+
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+#include <signal.h>
+
+static int rc = 0;
+static int EXPECTED_ABORT = 0;
+
+void aborthandler( int signal )
+{
+ TESTCASE( ! EXPECTED_ABORT );
+ exit( rc );
+}
+
+#define NDEBUG
+#include <assert.h>
+
+int disabled_test()
+{
+ int i = 0;
+ assert( i == 0 ); /* NDEBUG set, condition met */
+ assert( i == 1 ); /* NDEBUG set, condition fails */
+ return i;
+}
+
+#undef NDEBUG
+#include <assert.h>
+
+int main()
+{
+ int i = 0;
+ BEGIN_TESTS;
+ TESTCASE( signal( SIGABRT, &aborthandler ) != SIG_ERR );
+ assert( i == 0 ); /* NDEBUG not set, condition met */
+ puts( "Expecting failed assert() message here:" );
+ assert( i == 1 ); /* NDEBUG not set, condition fails - should abort */
+ return TEST_RESULTS;
+}
+
+#endif