summaryrefslogtreecommitdiff
path: root/include/bitops.h
diff options
context:
space:
mode:
authorroot <root@build-vm.(none)>2010-06-14 15:51:25 -0700
committerroot <root@build-vm.(none)>2010-06-14 15:51:25 -0700
commitc4414d9a8b31bedfb7471cd2365aaf5ea5cf55d5 (patch)
tree86ee5befd8195f56dcd91f9fd4e06368bf507a11 /include/bitops.h
downloadconntrack-tools-c4414d9a8b31bedfb7471cd2365aaf5ea5cf55d5.tar.gz
conntrack-tools-c4414d9a8b31bedfb7471cd2365aaf5ea5cf55d5.zip
debian conntrack 0.9.14-2
Diffstat (limited to 'include/bitops.h')
-rw-r--r--include/bitops.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/bitops.h b/include/bitops.h
new file mode 100644
index 0000000..51f4289
--- /dev/null
+++ b/include/bitops.h
@@ -0,0 +1,36 @@
+#ifndef _BITOPS_H_
+#define _BITOPS_H_
+
+#include <stdlib.h>
+
+static inline void set_bit_u32(int nr, u_int32_t *addr)
+{
+ addr[nr >> 5] |= (1UL << (nr & 31));
+}
+
+static inline void unset_bit_u32(int nr, u_int32_t *addr)
+{
+ addr[nr >> 5] &= ~(1UL << (nr & 31));
+}
+
+static inline int test_bit_u32(int nr, const u_int32_t *addr)
+{
+ return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0;
+}
+
+static inline void set_bit_u16(int nr, u_int16_t *addr)
+{
+ addr[nr >> 4] |= (1UL << (nr & 15));
+}
+
+static inline void unset_bit_u16(int nr, u_int16_t *addr)
+{
+ addr[nr >> 4] &= ~(1UL << (nr & 15));
+}
+
+static inline int test_bit_u16(int nr, const u_int16_t *addr)
+{
+ return ((1UL << (nr & 15)) & (addr[nr >> 4])) != 0;
+}
+
+#endif