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/* Copyright (c) 2012, 2014, 2015 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. */
#ifndef SMAP_H
#define SMAP_H 1
#include "hmap.h"
struct json;
struct uuid;
/* A map from string to string. */
struct smap {
struct hmap map; /* Contains "struct smap_node"s. */
};
struct smap_node {
struct hmap_node node; /* In struct smap's 'map' hmap. */
char *key;
char *value;
};
#define SMAP_INITIALIZER(SMAP) { HMAP_INITIALIZER(&(SMAP)->map) }
#define SMAP_FOR_EACH(SMAP_NODE, SMAP) \
HMAP_FOR_EACH (SMAP_NODE, node, &(SMAP)->map)
#define SMAP_FOR_EACH_SAFE(SMAP_NODE, NEXT, SMAP) \
HMAP_FOR_EACH_SAFE (SMAP_NODE, NEXT, node, &(SMAP)->map)
/* Initializer for an immutable struct smap 'SMAP' that contains a single
* 'KEY'-'VALUE' pair, e.g.
*
* const struct smap smap = SMAP1_CONST1(&smap, "key", "value");
*
* An smap initialized this way must not be modified or destroyed.
*
* The 'KEY' argument is evaluated multiple times.
*/
#define SMAP_CONST1(SMAP, KEY, VALUE) { \
HMAP_CONST1(&(SMAP)->map, \
(&(struct smap_node) SMAP_NODE_INIT(KEY, VALUE).node)) \
}
#define SMAP_NODE_INIT(KEY, VALUE) { \
HMAP_NODE_INIT(hash_string(KEY, 0)), \
CONST_CAST(char *, KEY), \
CONST_CAST(char *, VALUE) }
void smap_init(struct smap *);
void smap_destroy(struct smap *);
struct smap_node *smap_add(struct smap *, const char *, const char *);
struct smap_node *smap_add_nocopy(struct smap *, char *, char *);
bool smap_add_once(struct smap *, const char *, const char *);
void smap_add_format(struct smap *, const char *key, const char *, ...)
OVS_PRINTF_FORMAT(3, 4);
void smap_add_ipv6(struct smap *, const char *, struct in6_addr *);
void smap_replace(struct smap *, const char *, const char *);
void smap_remove(struct smap *, const char *);
void smap_remove_node(struct smap *, struct smap_node *);
void smap_steal(struct smap *, struct smap_node *, char **keyp, char **valuep);
void smap_clear(struct smap *);
const char *smap_get(const struct smap *, const char *);
struct smap_node *smap_get_node(const struct smap *, const char *);
bool smap_get_bool(const struct smap *smap, const char *key, bool def);
int smap_get_int(const struct smap *smap, const char *key, int def);
bool smap_get_uuid(const struct smap *, const char *key, struct uuid *);
bool smap_is_empty(const struct smap *);
size_t smap_count(const struct smap *);
void smap_clone(struct smap *dst, const struct smap *src);
const struct smap_node **smap_sort(const struct smap *);
void smap_from_json(struct smap *, const struct json *);
struct json *smap_to_json(const struct smap *);
bool smap_equal(const struct smap *, const struct smap *);
#endif /* smap.h */
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