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https://github.com/openvswitch/ovs
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33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/*
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* Copyright (c) 2008 Nicira Networks.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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