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https://github.com/openvswitch/ovs
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bcac5b7c1d
Add utility functions to the simap structure. These are used by future patches in this seris. The functions added are. Signed-off-by: Kyle Mestery <kmestery@cisco.com> Acked-by: Ethan Jackson <ethan@nicira.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*
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* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
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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 SIMAP_H
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#define SIMAP_H 1
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#include "hmap.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* A map from strings to unsigned integers. */
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struct simap {
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struct hmap map; /* Contains "struct simap_node"s. */
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};
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struct simap_node {
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struct hmap_node node; /* In struct simap's 'map' hmap. */
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char *name;
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unsigned int data;
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};
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#define SIMAP_INITIALIZER(SIMAP) { HMAP_INITIALIZER(&(SIMAP)->map) }
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#define SIMAP_FOR_EACH(SIMAP_NODE, SIMAP) \
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HMAP_FOR_EACH (SIMAP_NODE, node, &(SIMAP)->map)
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#define SIMAP_FOR_EACH_SAFE(SIMAP_NODE, NEXT, SIMAP) \
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HMAP_FOR_EACH_SAFE (SIMAP_NODE, NEXT, node, &(SIMAP)->map)
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void simap_init(struct simap *);
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void simap_destroy(struct simap *);
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void simap_swap(struct simap *, struct simap *);
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void simap_moved(struct simap *);
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void simap_clear(struct simap *);
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bool simap_is_empty(const struct simap *);
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size_t simap_count(const struct simap *);
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bool simap_put(struct simap *, const char *, unsigned int);
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unsigned int simap_increase(struct simap *, const char *, unsigned int);
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unsigned int simap_get(const struct simap *, const char *);
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struct simap_node *simap_find(const struct simap *, const char *);
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struct simap_node *simap_find_len(const struct simap *,
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const char *, size_t len);
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bool simap_contains(const struct simap *, const char *);
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void simap_delete(struct simap *, struct simap_node *);
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bool simap_find_and_delete(struct simap *, const char *);
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const struct simap_node **simap_sort(const struct simap *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* simap.h */
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