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authorPablo Neira Ayuso <pablo@netfilter.org>2008-07-25 13:05:12 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2008-07-25 13:05:12 +0200
commite5cb42249f7fd5b730667150c9c19f10d2f215fd (patch)
tree36ddd7112093f6cee0ea09b1bc57848dba42c79d /include/internal/bitops.h
parent96a2418c082e6ebdf76a3dbf0c277398221c78e3 (diff)
cleanup: split internal.h into several internal header files
This patch cleanups the internal headers by splitting them into several logical pieces. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/internal/bitops.h')
-rw-r--r--include/internal/bitops.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/internal/bitops.h b/include/internal/bitops.h
new file mode 100644
index 0000000..b1bd848
--- /dev/null
+++ b/include/internal/bitops.h
@@ -0,0 +1,32 @@
+/*
+ * WARNING: Do *NOT* ever include this file, only for internal use!
+ */
+#ifndef _NFCT_BITOPS_H_
+#define _NFCT_BITOPS_H_
+
+static inline void set_bit(int nr, u_int32_t *addr)
+{
+ addr[nr >> 5] |= (1UL << (nr & 31));
+}
+
+static inline void unset_bit(int nr, u_int32_t *addr)
+{
+ addr[nr >> 5] &= ~(1UL << (nr & 31));
+}
+
+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(int nr, const u_int32_t *addr)
+{
+ return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0;
+}
+
+#endif