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authorAlexander Wirt <formorer@debian.org>2012-06-03 08:49:55 +0200
committerAlexander Wirt <formorer@debian.org>2012-06-03 08:49:55 +0200
commitceecc8855af313c14e8a164f1cd0399716174398 (patch)
tree0d58f5cf7075dea5ff7ddeff6f9a3c89d9eb6352 /include/bitops.h
parent10f2c00aa6ef875e7998838c200681c6ea5eeebe (diff)
parentea27bb406e3d8fe9466ba274af38e6f540ff5bfc (diff)
downloadconntrack-tools-ceecc8855af313c14e8a164f1cd0399716174398.tar.gz
conntrack-tools-ceecc8855af313c14e8a164f1cd0399716174398.zip
Merge tag 'upstream/1.2.1'
Upstream version 1.2.1
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