Similar to getpwnam(3) and getnetgrent(3), it is better to call

libc-private __hash_open() than the generic dbopen(3) which pulls
in all 3 database backends.
ok millert

Author: deraadt

lib/libc/gen/devname.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: devname.c,v 1.13 2016/07/06 04:35:12 guenther Exp $ */
+/*	$OpenBSD: devname.c,v 1.14 2024/01/22 17:22:58 deraadt Exp $ */
 /*
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -83,7 +83,7 @@ devname(dev_t dev, mode_t type)
 	char *name = NULL;
 
 	if (!db && !failure) {
-		if (!(db = dbopen(_PATH_DEVDB, O_RDONLY, 0, DB_HASH, NULL)))
+		if (!(db = __hash_open(_PATH_DEVDB, O_RDONLY, 0, NULL, 0)))
 			failure = true;
 	}
 	if (!failure) {

lib/libc/gen/getcap.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: getcap.c,v 1.36 2022/05/14 05:06:32 guenther Exp $	*/
+/*	$OpenBSD: getcap.c,v 1.37 2024/01/22 17:22:58 deraadt Exp $	*/
 /*-
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -252,7 +252,7 @@ getent(char **cap, u_int *len, char **db_array, FILE *fp,
 
 			clen = snprintf(pbuf, sizeof(pbuf), "%s.db", *db_p);
 			if (clen >= 0 && clen < sizeof(pbuf) && usedb &&
-			    (capdbp = dbopen(pbuf, O_RDONLY, 0, DB_HASH, 0))) {
+			    (capdbp = __hash_open(pbuf, O_RDONLY, 0, NULL, 0))) {
 				opened++;
 				retval = cdbget(capdbp, &dbrecord, name);
 				if (retval < 0) {

lib/libc/gen/ttyname.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: ttyname.c,v 1.20 2017/04/14 15:02:51 deraadt Exp $ */
+/*	$OpenBSD: ttyname.c,v 1.21 2024/01/22 17:22:58 deraadt Exp $ */
 /*
  * Copyright (c) 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -87,7 +87,7 @@ ttyname_r(int fd, char *buf, size_t len)
 
 	memcpy(buf, _PATH_DEV, sizeof(_PATH_DEV));
 
-	if ((db = dbopen(_PATH_DEVDB, O_RDONLY, 0, DB_HASH, NULL))) {
+	if ((db = __hash_open(_PATH_DEVDB, O_RDONLY, 0, NULL, 0))) {
 		memset(&bkey, 0, sizeof(bkey));
 		bkey.type = S_IFCHR;
 		bkey.dev = sb.st_rdev;