Files
openflow/lib/type-props.h
T
Ben Pfaff 6b617bac12 Move exported headers to include/openflow, private headers to lib/.
This makes it easier to install the headers, or to use them directly from
another software package with -I$(openflow)/include, without invading
the top-level include file namespace.
2008-10-29 15:15:45 -07:00

50 lines
2.3 KiB
C

/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
* Junior University
*
* We are making the OpenFlow specification and associated documentation
* (Software) available for public use and benefit with the expectation
* that others will use, modify and enhance the Software and contribute
* those enhancements back to the community. However, since we would
* like to make the Software available for broadest use, with as few
* restrictions as possible permission is hereby granted, free of
* charge, to any person obtaining a copy of this Software to deal in
* the Software under the copyrights without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* The name and trademarks of copyright holder(s) may NOT be used in
* advertising or publicity pertaining to the Software or any
* derivatives without specific, written prior permission.
*/
#ifndef TYPE_PROPS_H
#define TYPE_PROPS_H 1
#include <limits.h>
#define TYPE_IS_INTEGER(TYPE) ((TYPE) 1.5 == (TYPE) 1)
#define TYPE_IS_SIGNED(TYPE) ((TYPE) 0 > (TYPE) -1)
#define TYPE_VALUE_BITS(TYPE) (sizeof(TYPE) * CHAR_BIT - TYPE_IS_SIGNED(TYPE))
#define TYPE_MINIMUM(TYPE) (TYPE_IS_SIGNED(TYPE) \
? ~(TYPE)0 << TYPE_VALUE_BITS(TYPE) \
: 0)
#define TYPE_MAXIMUM(TYPE) (TYPE_IS_SIGNED(TYPE) \
? ~(~(TYPE)0 << TYPE_VALUE_BITS(TYPE)) \
: (TYPE)-1)
#endif /* type-props.h */