X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fcommon%2Ffirm_common.c;h=6922cefca7b899a7dff592f928d53966c37146ad;hb=f710ccc214eac12711b686ce8878c2e48a52fc70;hp=ef3e6eed899db4b1387f47288bb86d5495643488;hpb=a30e04ba46be95dab4cdf4fe058f4106dd6ac592;p=libfirm

diff --git a/ir/common/firm_common.c b/ir/common/firm_common.c
index ef3e6eed8..6922cefca 100644
--- 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;
 }