mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-17 23:05:00 -05:00
f7912e9dc6
Add some 'const' keywords all over the code to make it a bit more strict on what you can and can't do with data. This is especially important when we return pointers to the pacman frontend- ideally this would always be untouchable data. Signed-off-by: Dan McGee <dan@archlinux.org>
86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/*
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* alpm_list.h
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*
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#ifndef _ALPM_LIST_H
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#define _ALPM_LIST_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "alpm.h"
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/**
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* @brief Linked list type used by libalpm.
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*
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* It is exposed so front ends can use it to prevent the need to reimplement
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* lists of their own; however, it is not required that the front end uses
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* it.
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*/
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struct __alpm_list_t {
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/** data held by the list node */
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void *data;
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/** pointer to the previous node */
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struct __alpm_list_t *prev;
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/** pointer to the next node */
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struct __alpm_list_t *next;
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};
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#define FREELIST(p) do { alpm_list_free_inner(p, free); alpm_list_free(p); p = NULL; } while(0)
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typedef void (*alpm_list_fn_free)(void *); /* item deallocation callback */
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typedef int (*alpm_list_fn_cmp)(const void *, const void *); /* item comparison callback */
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/* allocation */
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alpm_list_t *alpm_list_new(void);
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void alpm_list_free(alpm_list_t *list);
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void alpm_list_free_inner(alpm_list_t *list, alpm_list_fn_free fn);
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/* item mutators */
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alpm_list_t *alpm_list_add(alpm_list_t *list, void *data);
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alpm_list_t *alpm_list_add_sorted(alpm_list_t *list, void *data, alpm_list_fn_cmp fn);
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alpm_list_t *alpm_list_mmerge(alpm_list_t *left, alpm_list_t *right, alpm_list_fn_cmp fn);
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alpm_list_t *alpm_list_msort(alpm_list_t *list, int n, alpm_list_fn_cmp fn);
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alpm_list_t *alpm_list_remove(alpm_list_t *haystack, const void *needle, alpm_list_fn_cmp fn, void **data);
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alpm_list_t *alpm_list_remove_node(alpm_list_t *node);
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alpm_list_t *alpm_list_remove_dupes(const alpm_list_t *list);
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alpm_list_t *alpm_list_strdup(const alpm_list_t *list);
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alpm_list_t *alpm_list_reverse(alpm_list_t *list);
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/* item accessors */
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alpm_list_t *alpm_list_first(const alpm_list_t *list);
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alpm_list_t *alpm_list_nth(const alpm_list_t *list, int n);
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alpm_list_t *alpm_list_next(const alpm_list_t *list);
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alpm_list_t *alpm_list_last(const alpm_list_t *list);
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void *alpm_list_getdata(const alpm_list_t *entry);
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/* misc */
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int alpm_list_count(const alpm_list_t *list);
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int alpm_list_find(const alpm_list_t *haystack, const void *needle);
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int alpm_list_find_str(const alpm_list_t *haystack,const char *needle);
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alpm_list_t *alpm_list_diff(const alpm_list_t *lhs, const alpm_list_t *rhs, alpm_list_fn_cmp fn);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ALPM_LIST_H */
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/* vim: set ts=2 sw=2 noet: */
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