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https://github.com/openvswitch/ovs
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33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
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/*
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* Copyright (c) 2008 Nicira Networks.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef TYPE_PROPS_H
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#define TYPE_PROPS_H 1
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#include <limits.h>
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#define TYPE_IS_INTEGER(TYPE) ((TYPE) 1.5 == (TYPE) 1)
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#define TYPE_IS_SIGNED(TYPE) ((TYPE) 0 > (TYPE) -1)
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#define TYPE_VALUE_BITS(TYPE) (sizeof(TYPE) * CHAR_BIT - TYPE_IS_SIGNED(TYPE))
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#define TYPE_MINIMUM(TYPE) (TYPE_IS_SIGNED(TYPE) \
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? ~(TYPE)0 << TYPE_VALUE_BITS(TYPE) \
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: 0)
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#define TYPE_MAXIMUM(TYPE) (TYPE_IS_SIGNED(TYPE) \
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? ~(~(TYPE)0 << TYPE_VALUE_BITS(TYPE)) \
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: (TYPE)-1)
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#endif /* type-props.h */
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