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author | Poul-Henning Kamp <phk@FreeBSD.org> | 2009-09-08 20:45:40 +0000 |
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committer | Poul-Henning Kamp <phk@FreeBSD.org> | 2009-09-08 20:45:40 +0000 |
commit | a254d1f16dd367b6ebb0e9dca50a29bb1ec33c31 (patch) | |
tree | e7b582548488a3ceddf28413807147ffef4e2857 /sys/i386/include/_align.h | |
parent | 57cf46fea3e69a793bec67cdfef72a71496508b6 (diff) | |
download | src-a254d1f16dd367b6ebb0e9dca50a29bb1ec33c31.tar.gz src-a254d1f16dd367b6ebb0e9dca50a29bb1ec33c31.zip |
Get rid of the _NO_NAMESPACE_POLLUTION kludge by creating an
architecture specific include file containing the _ALIGN*
stuff which <sys/socket.h> needs.
Notes
Notes:
svn path=/head/; revision=196994
Diffstat (limited to 'sys/i386/include/_align.h')
-rw-r--r-- | sys/i386/include/_align.h | 47 |
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 index 000000000000..20df0b8f85ad --- /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_ */ |