Files
opensbi/include/sbi/sbi_slist.h
Clément Léger 147978f312 include: lib: add a simple singly linked list implementation
Add a simple singly linked list implementation when double linked list
are not needed. This allows to easily have statically defined linked
list that can be extended at runtime.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
2025-01-30 10:35:46 +05:30

34 lines
724 B
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Simple simply-linked list library.
*
* Copyright (c) 2025 Rivos Inc.
*
* Authors:
* Clément Léger <cleger@rivosinc.com>
*/
#ifndef __SBI_SLIST_H__
#define __SBI_SLIST_H__
#include <sbi/sbi_types.h>
#define SBI_SLIST_HEAD_INIT(_ptr) (_ptr)
#define SBI_SLIST_HEAD(_lname, _stype) struct _stype *_lname
#define SBI_SLIST_NODE(_stype) SBI_SLIST_HEAD(next, _stype)
#define SBI_SLIST_NODE_INIT(_ptr) .next = _ptr
#define SBI_INIT_SLIST_HEAD(_head) (_head) = NULL
#define SBI_SLIST_ADD(_ptr, _head) \
do { \
(_ptr)->next = _head; \
(_head) = _ptr; \
} while (0)
#define SBI_SLIST_FOR_EACH_ENTRY(_ptr, _head) \
for (_ptr = _head; _ptr; _ptr = _ptr->next)
#endif