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llist/llist.h

52 lines
1.8 KiB
C

/*
* This file is part of corelibs. (https://git.redxen.eu/corelibs)
* Copyright (c) 2021 Alex-David Denes
*
* corelibs is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* corelibs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with corelibs. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef CORELIBS_GUARD_LLIST
#define CORELIBS_GUARD_LLIST
typedef struct llist_t llist_t;
typedef signed short int llist_err;
struct corelibs_llist_interface {
llist_err (*const create)(void* content, void (*const free_function)(void*), llist_t** save);
llist_err (*const link)(llist_t* element_a, llist_t* element_b);
llist_err (*const free)(llist_t* element);
const struct {
llist_err (*const cont)(llist_t* element, void* content);
llist_err (*const free)(llist_t* element, void (*const free_function)(void*));
} set;
const struct {
llist_err (*const prev)(const llist_t* element, llist_t** save);
llist_err (*const next)(const llist_t* element, llist_t** save);
llist_err (*const cont)(const llist_t* element, void** save);
} get;
const struct {
const llist_err ok, // No error
unknown, // Unknown error
undef; // Fetched element is undefined
const struct {
const llist_err null, // NULL address was passed
alloc; // Allocation failed
} mem;
} err;
};
extern const struct corelibs_llist_interface llist;
#endif /* CORELIBS_GUARD_LLIST */