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/*
* Copyright 2016 Garrett D'Amore <garrett@damore.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"),
* to deal in the Software 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.
*/
#ifndef CORE_LIST_H
#define CORE_LIST_H
#include "core/nng_impl.h"
/*
* In order to make life easy, we just define the list structures
* directly, and let consumers directly inline structures.
*/
typedef struct nni_list_node {
struct nni_list_node *ln_next;
struct nni_list_node *ln_prev;
} nni_list_node_t;
typedef struct nni_list {
struct nni_list_node ll_head;
size_t ll_offset;
} nni_list_t;
extern void nni_list_init_offset(nni_list_t *list, size_t offset);
#define NNI_LIST_INIT(list, type, field) \
nni_list_init_offset(list, offsetof (type, field))
extern void *nni_list_first(nni_list_t *);
extern void *nni_list_last(nni_list_t *);
extern void nni_list_append(nni_list_t *, void *);
extern void nni_list_prepend(nni_list_t *, void *);
extern void *nni_list_next(nni_list_t *, void *);
extern void *nni_list_prev(nni_list_t *, void *);
extern void nni_list_remove(nni_list_t *, void *);
extern void nni_list_node_init(nni_list_t *, void *);
#define NNI_LIST_FOREACH(l, it) \
for (it = nni_list_first(l); it != NULL; it = nni_list_next(l, it))
#endif /* CORE_LIST_H */
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