get_kind() did not assert anymore, instead returns k_BAD.

[libfirm] / ir / common / firm_common.c

diff --git a/ir/common/firm_common.c b/ir/common/firm_common.c
index ef3e6ee..6922cef 100644 (file)
--- a/ir/common/firm_common.c
+++ b/ir/common/firm_common.c
@@ -19,11 +19,16 @@
 #include "irgraph.h"
 #include "irloop.h"
 
+/**
+ * Ideally, this macro would check if size bytes could be read at
+ * pointer p. No generic solution.
+ */
+#define POINTER_READ(p, size) (p)
+
 /* returns the kind of the thing */
 firm_kind
 get_kind (const void *firm_thing) {
-  assert (firm_thing);
-  return *(firm_kind *)firm_thing;
+  return POINTER_READ(firm_thing, sizeof(firm_kind)) ? *(firm_kind *)firm_thing : k_BAD;
 }