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Don't bogusly include <struct.h>

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Bogusly define our own versions of strbase() and fldoff() until we
have sorted out where they live in the kernel.
This commit is contained in:
Poul-Henning Kamp 2000-10-22 19:43:01 +00:00
parent dd98c08d71
commit 5a008b9415
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=67447
1 changed files with 13 additions and 3 deletions
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16
sys/sys/queue.h
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@ -37,8 +37,6 @@
#ifndef _SYS_QUEUE_H_
#define _SYS_QUEUE_H_
#include <struct.h>
/*
* This file defines five types of data structures: singly-linked lists,
* singly-linked tail queues, lists, tail queues, and circular queues.
@ -110,6 +108,18 @@
*
*/
/*
* XXX: temporary, we need to find the real home of these.
*/
/* Offset of the field in the structure. */
#define __qfldoff(name, field) \
((int)&(((struct name *)0)->field))
/* Address of the structure from a field. */
#define __qstrbase(name, addr, field) \
((struct name *)((char *)(addr) - __qfldoff(name, field)))
/*
* Singly-linked List declarations.
*/
@ -226,7 +236,7 @@ struct { \
#define STAILQ_LAST(head, type, field) \
(STAILQ_EMPTY(head) ? \
NULL : \
strbase(type, (head)->stqh_last, field))
__qstrbase(type, (head)->stqh_last, field))
#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)