update to iptables-1.3.8

[iptables.git] / ipset / ipset.h

diff --git a/ipset/ipset.h b/ipset/ipset.h
index 50a3476..4ac2da9 100644 (file)
--- a/ipset/ipset.h
+++ b/ipset/ipset.h
@@ -184,4 +184,9 @@ extern void *ipset_malloc(size_t size);
 extern char *ipset_strdup(const char *);
 extern void ipset_free(void **data);
 
+#define BITSPERBYTE    (8*sizeof(char))
+#define ID2BYTE(id)    ((id)/BITSPERBYTE)
+#define ID2MASK(id)    (1 << ((id)%BITSPERBYTE))
+#define test_bit(id, heap)     ((((char *)(heap))[ID2BYTE(id)] & ID2MASK(id)) != 0)
+
 #endif /* __IPSET_H */