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authorphk <phk@FreeBSD.org>2009-09-08 20:45:40 +0000
committerphk <phk@FreeBSD.org>2009-09-08 20:45:40 +0000
commite645b495eda0a345c1b9caa5f932817c25234633 (patch)
treee7b582548488a3ceddf28413807147ffef4e2857 /sys/i386/include/_align.h
parentaead28d158d987de2bf0e3069685beb09741b21f (diff)
downloadFreeBSD-src-e645b495eda0a345c1b9caa5f932817c25234633.zip
FreeBSD-src-e645b495eda0a345c1b9caa5f932817c25234633.tar.gz
Get rid of the _NO_NAMESPACE_POLLUTION kludge by creating an
architecture specific include file containing the _ALIGN* stuff which <sys/socket.h> needs.
Diffstat (limited to 'sys/i386/include/_align.h')
-rw-r--r--sys/i386/include/_align.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/i386/include/_align.h b/sys/i386/include/_align.h
new file mode 100644
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--- /dev/null
+++ b/sys/i386/include/_align.h
@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * from: @(#)param.h 5.8 (Berkeley) 6/28/91
+ * $FreeBSD$
+ */
+
+#ifndef _I386_INCLUDE__ALIGN_H_
+#define _I386_INCLUDE__ALIGN_H_
+
+/*
+ * Round p (pointer or byte index) up to a correctly-aligned value
+ * for all data types (int, long, ...). The result is unsigned int
+ * and must be cast to any desired pointer type.
+ */
+#define _ALIGNBYTES (sizeof(int) - 1)
+#define _ALIGN(p) (((unsigned)(p) + _ALIGNBYTES) & ~_ALIGNBYTES)
+
+#endif /* !_I386_INCLUDE__ALIGN_H_ */
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