977ea352a0
These SPDX license identifiers are deprecated ([1]). Update them. [1] https://spdx.org/licenses/ sed \ -e '1 s%^/\* SPDX-License-Identifier: \(GPL-2.0\|LGPL-2.1\)+ \*/$%/* SPDX-License-Identifier: \1-or-later */%' \ -e '1,2 s%^\(--\|#\|//\) SPDX-License-Identifier: \(GPL-2.0\|LGPL-2.1\)+$%\1 SPDX-License-Identifier: \2-or-later%' \ -i \ $(git grep -l SPDX-License-Identifier -- \ ':(exclude)shared/c-*/' \ ':(exclude)shared/n-*/' \ ':(exclude)shared/systemd/src' \ ':(exclude)src/systemd/src')
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2017 Red Hat, Inc.
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*/
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#ifndef __C_LIST_UTIL_H__
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#define __C_LIST_UTIL_H__
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#include "c-list/src/c-list.h"
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/*****************************************************************************/
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void c_list_relink(CList *lst);
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typedef int (*CListSortCmp)(const CList *a, const CList *b, const void *user_data);
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CList *c_list_sort_headless(CList *lst, CListSortCmp cmp, const void *user_data);
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void c_list_sort(CList *head, CListSortCmp cmp, const void *user_data);
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/* c_list_length_is:
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* @list: the #CList list head
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* @check_len: the length to compare
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*
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* Returns: basically the same as (c_list_length (@list) == @check_len),
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* but does not require to iterate the entire list first. There is only
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* one real use: to find out whether there is exactly one element in the
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* list, by passing @check_len as 1.
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*/
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static inline int
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c_list_length_is(const CList *list, unsigned long check_len)
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{
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unsigned long n = 0;
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const CList * iter;
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c_list_for_each (iter, list) {
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++n;
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if (n > check_len)
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return 0;
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}
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return n == check_len;
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}
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#define c_list_for_each_prev(_iter, _list) \
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for (_iter = (_list)->prev; (_iter) != (_list); _iter = (_iter)->prev)
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#define c_list_for_each_prev_safe(_iter, _safe, _list) \
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for (_iter = (_list)->prev, _safe = (_iter)->prev; (_iter) != (_list); \
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_iter = (_safe), _safe = (_safe)->prev)
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#define c_list_for_each_entry_prev(_iter, _list, _m) \
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for (_iter = c_list_entry((_list)->prev, __typeof__(*_iter), _m); &(_iter)->_m != (_list); \
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_iter = c_list_entry((_iter)->_m.prev, __typeof__(*_iter), _m))
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#endif /* __C_LIST_UTIL_H__ */
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