mirror of
https://github.com/morgan9e/systemd
synced 2026-04-14 16:37:19 +09:00
3b21af5234
As preparation for #37344, let's split out iterator.h so we can avoid including the entirety of hashmap.h where it's not needed.
20 lines
871 B
C
20 lines
871 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
#pragma once
|
|
|
|
/* Ideally the Iterator would be an opaque struct, but it is instantiated
|
|
* by hashmap users, so the definition has to be here. Do not use its fields
|
|
* directly. */
|
|
typedef struct Iterator {
|
|
const void *next_key; /* expected value of that entry's key pointer */
|
|
unsigned idx; /* index of an entry to be iterated next */
|
|
#if ENABLE_DEBUG_HASHMAP
|
|
unsigned put_count; /* hashmap's put_count recorded at start of iteration */
|
|
unsigned rem_count; /* hashmap's rem_count in previous iteration */
|
|
unsigned prev_idx; /* idx in previous iteration */
|
|
#endif
|
|
} Iterator;
|
|
|
|
#define _IDX_ITERATOR_FIRST (UINT_MAX - 1)
|
|
#define ITERATOR_FIRST ((Iterator) { .idx = _IDX_ITERATOR_FIRST, .next_key = NULL })
|
|
#define ITERATOR_IS_FIRST(i) ((i).idx == _IDX_ITERATOR_FIRST)
|