make testapp deterministic

[libfirm] / ir / be / test / bf_localinit.c

diff --git a/ir/be/test/bf_localinit.c b/ir/be/test/bf_localinit.c
index f7f56f3..b390b13 100644 (file)
--- a/ir/be/test/bf_localinit.c
+++ b/ir/be/test/bf_localinit.c
@@ -1,25 +1,39 @@
+#include <stdlib.h>
+#include <string.h>
 #include "dumpmem.h"
 
 struct bf {
-  int a;
-  unsigned x:13;
-  unsigned y:17;
-  unsigned z:3;
-  char c;
-  double d;
-  unsigned w:9;
+       int a;
+       unsigned x:13;
+       unsigned y:17;
+       unsigned z:3;
+       char c;
+       double d;
+       unsigned w:9;
 };
 
-#define offsetof(TYPE, MEMB) ((size_t) &((TYPE *)0)->MEMB)
+#ifdef offsetof
+#undef offsetof
+#endif
+#define offsetof(TYPE, MEMB) ((char*) (&((TYPE *)0)->MEMB) - (char*) 0)
 
-int main(void) {
-  struct bf mybf = { 0xffffffff, 4097, 65537, 5, 0xff, 4.5, 257 };
+int main(int argc, char **argv) {
+       struct bf mybf = { 0xffffffff, 4097, 65537, 5, 0xff, 4.5, 257 };
 
-  dumpMem(&mybf, sizeof mybf);
-  printf("sizeof mybf %d\n", sizeof mybf);
-  printf("offset a = %d\n", offsetof(struct bf, a));
-  printf("offset c = %d\n", offsetof(struct bf, c));
-  printf("offset d = %d\n", offsetof(struct bf, d));
+       if(argc > 1)
+               dumpMem(&mybf, sizeof mybf);
+       printf("sizeof mybf %d\n", sizeof mybf);
+       printf("offset a = %d\n", offsetof(struct bf, a));
+       printf("offset c = %d\n", offsetof(struct bf, c));
+       printf("offset d = %d\n", offsetof(struct bf, d));
 
-  return 0;
+       printf("int a (expected -1): %d\n", mybf.a);
+       printf("unsigned x:13 (expected 4097): %u\n", mybf.x);
+       printf("unsigned y:17 (expected 65537): %u\n", mybf.y);
+       printf("unsigned y:3 (expected 5): %u\n", mybf.z);
+       printf("char c (expected ff): %x\n", mybf.c);
+       printf("double d (expected 4.5): %.1f\n", mybf.d);
+       printf("unsigned w:9 (expected 257): %u\n", mybf.w);
+
+       return 0;
 }