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Diffstat (limited to 'pkgtools/libnbcompat/files/nbcompat/queue.h')
-rw-r--r-- | pkgtools/libnbcompat/files/nbcompat/queue.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/pkgtools/libnbcompat/files/nbcompat/queue.h b/pkgtools/libnbcompat/files/nbcompat/queue.h new file mode 100644 index 00000000000..84873f99236 --- /dev/null +++ b/pkgtools/libnbcompat/files/nbcompat/queue.h @@ -0,0 +1,166 @@ +/* $NetBSD: queue.h,v 1.1 2004/08/06 16:55:09 jlam Exp $ */ + +/* + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)queue.h 8.5 (Berkeley) 8/20/94 + */ + +#ifndef _NBCOMPAT_QUEUE_H +#define _NBCOMPAT_QUEUE_H + +#ifndef LIST_HEAD +#define LIST_HEAD(name, type) \ +struct name { \ + struct type *lh_first; /* first element */ \ +} +#endif + +#ifndef LIST_HEAD_INITIALIZER +#define LIST_HEAD_INITIALIZER(head) \ + { NULL } +#endif + +#ifndef LIST_ENTRY +#define LIST_ENTRY(type) \ +struct { \ + struct type *le_next; /* next element */ \ + struct type **le_prev; /* address of previous next element */ \ +} +#endif + +#ifndef LIST_INSERT_HEAD +#define LIST_INSERT_HEAD(head, elm, field) do { \ + if (((elm)->field.le_next = (head)->lh_first) != NULL) \ + (head)->lh_first->field.le_prev = &(elm)->field.le_next;\ + (head)->lh_first = (elm); \ + (elm)->field.le_prev = &(head)->lh_first; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef LIST_INIT +#define LIST_INIT(head) do { \ + (head)->lh_first = NULL; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef LIST_EMPTY +#define LIST_EMPTY(head) ((head)->lh_first == NULL) +#endif +#ifndef LIST_FIRST +#define LIST_FIRST(head) ((head)->lh_first) +#endif +#ifndef LIST_NEXT +#define LIST_NEXT(elm, field) ((elm)->field.le_next) +#endif + +#ifndef TAILQ_HEAD +#define TAILQ_HEAD(name, type) \ +struct name { \ + struct type *tqh_first; /* first element */ \ + struct type **tqh_last; /* addr of last next element */ \ +} +#endif + +#ifndef TAILQ_HEAD_INITIALIZER +#define TAILQ_HEAD_INITIALIZER(head) \ + { NULL, &(head).tqh_first } +#endif + +#ifndef TAILQ_ENTRY +#define TAILQ_ENTRY(type) \ +struct { \ + struct type *tqe_next; /* next element */ \ + struct type **tqe_prev; /* address of previous next element */ \ +} +#endif + +#ifndef TAILQ_INIT +#define TAILQ_INIT(head) do { \ + (head)->tqh_first = NULL; \ + (head)->tqh_last = &(head)->tqh_first; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef TAILQ_INSERT_HEAD +#define TAILQ_INSERT_HEAD(head, elm, field) do { \ + if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \ + (head)->tqh_first->field.tqe_prev = \ + &(elm)->field.tqe_next; \ + else \ + (head)->tqh_last = &(elm)->field.tqe_next; \ + (head)->tqh_first = (elm); \ + (elm)->field.tqe_prev = &(head)->tqh_first; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef TAILQ_INSERT_TAIL +#define TAILQ_INSERT_TAIL(head, elm, field) do { \ + (elm)->field.tqe_next = NULL; \ + (elm)->field.tqe_prev = (head)->tqh_last; \ + *(head)->tqh_last = (elm); \ + (head)->tqh_last = &(elm)->field.tqe_next; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef TAILQ_REMOVE +#define TAILQ_REMOVE(head, elm, field) do { \ + if (((elm)->field.tqe_next) != NULL) \ + (elm)->field.tqe_next->field.tqe_prev = \ + (elm)->field.tqe_prev; \ + else \ + (head)->tqh_last = (elm)->field.tqe_prev; \ + *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ +} while (/*CONSTCOND*/0) +#endif + +#ifndef TAILQ_HEAD_INITIALIZER +#define TAILQ_HEAD_INITIALIZER(head) \ + { NULL, &(head).tqh_first } +#endif +#ifndef TAILQ_EMPTY +#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) +#endif +#ifndef TAILQ_FIRST +#define TAILQ_FIRST(head) ((head)->tqh_first) +#endif +#ifndef TAILQ_NEXT +#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next) +#endif +#ifndef TAILQ_FOREACH +#define TAILQ_FOREACH(var, head, field) \ + for ((var) = ((head)->tqh_first); \ + (var); \ + (var) = ((var)->field.tqe_next)) +#endif + +#endif /* !_NBCOMPAT_QUEUE_H */ |