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pacman/lib/libalpm/list.h
Aaron Griffin 2a457c5319 * Jürgen Hötzel <juergen@hoetzel.info>
_alpm_db_load_pkgcache: use mergesort to improve performance
2007-01-11 17:44:39 +00:00

61 lines
2.2 KiB
C

/*
* list.h
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef _ALPM_LIST_H
#define _ALPM_LIST_H
#include "alpm.h"
/* Chained list struct */
struct __pmlist_t {
void *data;
struct __pmlist_t *prev;
struct __pmlist_t *next;
struct __pmlist_t *last; /* Quick access to last item in list */
};
#define _FREELIST(p, f) do { if(p) { _alpm_list_free(p, f); p = NULL; } } while(0)
#define FREELIST(p) _FREELIST(p, free)
#define FREELISTPTR(p) _FREELIST(p, NULL)
typedef void (*_alpm_fn_free)(void *);
/* Sort comparison callback function declaration */
typedef int (*_alpm_fn_cmp)(const void *, const void *);
pmlist_t *_alpm_list_new(void);
void _alpm_list_free(pmlist_t *list, _alpm_fn_free fn);
pmlist_t *_alpm_list_add(pmlist_t *list, void *data);
pmlist_t *_alpm_list_add_sorted(pmlist_t *list, void *data, _alpm_fn_cmp fn);
pmlist_t* _alpm_list_mmerge(pmlist_t *left, pmlist_t *right, _alpm_fn_cmp fn);
pmlist_t* _alpm_list_msort(pmlist_t *list, int len, _alpm_fn_cmp fn);
pmlist_t* _alpm_list_nth(pmlist_t *list, int n);
pmlist_t *_alpm_list_remove(pmlist_t *haystack, void *needle, _alpm_fn_cmp fn, void **data);
int _alpm_list_count(const pmlist_t *list);
int _alpm_list_is_in(void *needle, pmlist_t *haystack);
int _alpm_list_is_strin(char *needle, pmlist_t *haystack);
pmlist_t *_alpm_list_last(pmlist_t *list);
pmlist_t *_alpm_list_remove_dupes(pmlist_t *list);
pmlist_t *_alpm_list_reverse(pmlist_t *list);
pmlist_t *_alpm_list_strdup(pmlist_t *list);
#endif /* _ALPM_LIST_H */
/* vim: set ts=2 sw=2 noet: */