[src/trunk]: src/usr.sbin/ypserv/ypserv Convert the CIRCLEQ (from sys/queue.h...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4634f20f4c32
branches:  trunk
changeset: 944847:4634f20f4c32
user:      kamil <kamil%NetBSD.org@localhost>
date:      Tue Oct 13 13:56:34 2020 +0000

description:
Convert the CIRCLEQ (from sys/queue.h) usage to TAILQ

The CIRCLEQ API from sys/queue.h is deprecated since NetBSD 7 and is
already gone from FreeBSD and OpenBSD.

diffstat:

 usr.sbin/ypserv/ypserv/ypserv_db.c |  25 +++++++++++++------------
 1 files changed, 13 insertions(+), 12 deletions(-)

diffs (100 lines):

diff -r 5a4ebdae74af -r 4634f20f4c32 usr.sbin/ypserv/ypserv/ypserv_db.c
--- a/usr.sbin/ypserv/ypserv/ypserv_db.c        Tue Oct 13 13:15:39 2020 +0000
+++ b/usr.sbin/ypserv/ypserv/ypserv_db.c        Tue Oct 13 13:56:34 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ypserv_db.c,v 1.22 2011/02/01 21:00:25 chuck Exp $     */
+/*     $NetBSD: ypserv_db.c,v 1.23 2020/10/13 13:56:34 kamil Exp $     */
 
 /*
  * Copyright (c) 1994 Mats O Jansson <moj%stacken.kth.se@localhost>
@@ -29,7 +29,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: ypserv_db.c,v 1.22 2011/02/01 21:00:25 chuck Exp $");
+__RCSID("$NetBSD: ypserv_db.c,v 1.23 2020/10/13 13:56:34 kamil Exp $");
 #endif
 
 /*
@@ -65,7 +65,7 @@
 
 LIST_HEAD(domainlist, opt_domain);     /* LIST of domains */
 LIST_HEAD(maplist, opt_map);           /* LIST of maps (in a domain) */
-CIRCLEQ_HEAD(mapq, opt_map);           /* CIRCLEQ of maps (LRU) */
+TAILQ_HEAD(mapq, opt_map);             /* TAILQ of maps (LRU) */
 
 struct opt_map {
        char    *map;                   /* map name (malloc'd) */
@@ -76,7 +76,7 @@
        dev_t   dbdev;                  /* device db is on */
        ino_t   dbino;                  /* inode of db */
        time_t  dbmtime;                /* time of last db modification */
-       CIRCLEQ_ENTRY(opt_map) mapsq;   /* map queue pointers */
+       TAILQ_ENTRY(opt_map) mapsq;     /* map queue pointers */
        LIST_ENTRY(opt_map) mapsl;      /* map list pointers */
 };
 
@@ -106,7 +106,7 @@
 {
 
        LIST_INIT(&doms);
-       CIRCLEQ_INIT(&maps);
+       TAILQ_INIT(&maps);
 }
 
 /*
@@ -161,7 +161,7 @@
 void
 ypdb_close_map(struct opt_map *map)
 {
-       CIRCLEQ_REMOVE(&maps, map, mapsq);      /* remove from LRU circleq */
+       TAILQ_REMOVE(&maps, map, mapsq);        /* remove from LRU tailq */
        LIST_REMOVE(map, mapsl);                /* remove from domain list */
 
 #ifdef DEBUG
@@ -182,13 +182,14 @@
 void
 ypdb_close_last(void)
 {
-       struct opt_map *last = maps.cqh_last;
+       struct opt_map *last;
 
-       if (last == (void *) &maps) {
+       if (TAILQ_EMPTY(&maps)) {
                syslog(LOG_ERR,
                    "ypdb_close_last: LRU list is empty!");
                return;
        }
+       last = TAILQ_LAST(&maps, mapq);
        ypdb_close_map(last);
 }
 
@@ -203,7 +204,7 @@
        syslog(LOG_DEBUG, "ypdb_close_all(): start");
 #endif
 
-       while (maps.cqh_first != (void *) &maps)
+       while (!TAILQ_EMPTY(&maps))
                ypdb_close_last();
 
 #ifdef DEBUG
@@ -326,8 +327,8 @@
                 */
                if (finfo.st_dev == m->dbdev && finfo.st_ino == m->dbino &&
                    finfo.st_mtime == m->dbmtime) {
-                       CIRCLEQ_REMOVE(&maps, m, mapsq); /* adjust LRU queue */
-                       CIRCLEQ_INSERT_HEAD(&maps, m, mapsq);
+                       TAILQ_REMOVE(&maps, m, mapsq); /* adjust LRU queue */
+                       TAILQ_INSERT_HEAD(&maps, m, mapsq);
                        if (map_info)
                                *map_info = m;
                        return (m->db);
@@ -423,7 +424,7 @@
        m->dbdev = finfo.st_dev;
        m->dbino = finfo.st_ino;
        m->dbmtime = finfo.st_mtime;
-       CIRCLEQ_INSERT_HEAD(&maps, m, mapsq);
+       TAILQ_INSERT_HEAD(&maps, m, mapsq);
        LIST_INSERT_HEAD(&d->dmaps, m, mapsl);
        if (strcmp(map, YP_HOSTNAME) == 0 || strcmp(map, YP_HOSTADDR) == 0) {
                if (!usedns) {