From 4643c616c81fb1198b29c3eaff4d697392c8dc4b Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Tue, 11 Sep 2001 18:55:53 +0000
Subject: sendmail 8.12.0 with $Id tags converted to $Sendmail

---
 gnu/usr.sbin/sendmail/include/sm/bitops.h | 54 +++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 gnu/usr.sbin/sendmail/include/sm/bitops.h

(limited to 'gnu/usr.sbin/sendmail/include/sm/bitops.h')

diff --git a/gnu/usr.sbin/sendmail/include/sm/bitops.h b/gnu/usr.sbin/sendmail/include/sm/bitops.h
new file mode 100644
index 00000000000..20cf5d0337c
--- /dev/null
+++ b/gnu/usr.sbin/sendmail/include/sm/bitops.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
+ *	All rights reserved.
+ * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ *
+ *
+ *	$Sendmail: bitops.h,v 1.1 2001/01/29 07:38:16 gshapiro Exp $
+ */
+
+#ifndef	SM_BITOPS_H
+# define SM_BITOPS_H
+
+/*
+**  Data structure for bit maps.
+**
+**	Each bit in this map can be referenced by an ascii character.
+**	This is 256 possible bits, or 32 8-bit bytes.
+*/
+
+# define BITMAPBITS	256	/* number of bits in a bit map */
+# define BYTEBITS	8	/* number of bits in a byte */
+# define BITMAPBYTES	(BITMAPBITS / BYTEBITS)	/* number of bytes in bit map */
+
+/* internal macros */
+# define _BITWORD(bit)	((bit) / (BYTEBITS * sizeof (int)))
+# define _BITBIT(bit)	((unsigned int)1 << ((bit) % (BYTEBITS * sizeof (int))))
+
+typedef unsigned int	BITMAP256[BITMAPBYTES / sizeof (int)];
+
+/* properly case and truncate bit */
+# define bitidx(bit)		((unsigned int) (bit) & 0xff)
+
+/* test bit number N */
+# define bitnset(bit, map)	((map)[_BITWORD(bit)] & _BITBIT(bit))
+
+/* set bit number N */
+# define setbitn(bit, map)	(map)[_BITWORD(bit)] |= _BITBIT(bit)
+
+/* clear bit number N */
+# define clrbitn(bit, map)	(map)[_BITWORD(bit)] &= ~_BITBIT(bit)
+
+/* clear an entire bit map */
+# define clrbitmap(map)		memset((char *) map, '\0', BITMAPBYTES)
+
+/* bit hacking */
+# define bitset(bit, word)	(((word) & (bit)) != 0)
+
+#endif /* ! SM_BITOPS_H */
-- 
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