X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/53beca6323818e3247d4b1602f92addf87fb3f69..23aaffb26a660f26e8329ced71925e731c86a7ce:/mandocdb.c?ds=inline

diff --git a/mandocdb.c b/mandocdb.c
index 337a815a..2a8ab7a0 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1,33 +1,44 @@
-/*	$Id: mandocdb.c,v 1.77 2013/12/26 19:02:04 schwarze Exp $ */
+/*	$Id: mandocdb.c,v 1.251 2017/06/24 14:38:32 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2016 Ed Maste <emaste@freebsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
+#include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
 
 #include <assert.h>
 #include <ctype.h>
+#if HAVE_ERR
+#include <err.h>
+#endif
 #include <errno.h>
 #include <fcntl.h>
+#if HAVE_FTS
 #include <fts.h>
-#include <getopt.h>
+#else
+#include "compat_fts.h"
+#endif
 #include <limits.h>
+#if HAVE_SANDBOX_INIT
+#include <sandbox.h>
+#endif
+#include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdint.h>
@@ -35,37 +46,18 @@
 #include <string.h>
 #include <unistd.h>
 
-#ifdef HAVE_OHASH
-#include <ohash.h>
-#else
-#include "compat_ohash.h"
-#endif
-#include <sqlite3.h>
-
+#include "mandoc_aux.h"
+#include "mandoc_ohash.h"
+#include "mandoc.h"
+#include "roff.h"
 #include "mdoc.h"
 #include "man.h"
-#include "mandoc.h"
-#include "manpath.h"
+#include "manconf.h"
 #include "mansearch.h"
+#include "dba_array.h"
+#include "dba.h"
 
-#define	SQL_EXEC(_v) \
-	if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
-		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
-#define	SQL_BIND_TEXT(_s, _i, _v) \
-	if (SQLITE_OK != sqlite3_bind_text \
-		((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \
-		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
-#define	SQL_BIND_INT(_s, _i, _v) \
-	if (SQLITE_OK != sqlite3_bind_int \
-		((_s), (_i)++, (_v))) \
-		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
-#define	SQL_BIND_INT64(_s, _i, _v) \
-	if (SQLITE_OK != sqlite3_bind_int64 \
-		((_s), (_i)++, (_v))) \
-		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
-#define SQL_STEP(_s) \
-	if (SQLITE_DONE != sqlite3_step((_s))) \
-		fprintf(stderr, "%s\n", sqlite3_errmsg(db))
+extern const char *const mansearch_keynames[];
 
 enum	op {
 	OP_DEFAULT = 0, /* new dbs from dir list or default config */
@@ -75,312 +67,335 @@ enum	op {
 	OP_TEST /* change no databases, report potential problems */
 };
 
-enum	form {
-	FORM_SRC, /* format is -man or -mdoc */
-	FORM_CAT, /* format is cat */
-	FORM_NONE /* format is unknown */
-};
-
 struct	str {
-	char		*utf8; /* key in UTF-8 form */
-	const struct of *of; /* if set, the owning parse */
+	const struct mpage *mpage; /* if set, the owning parse */
 	uint64_t	 mask; /* bitmask in sequence */
-	char		 key[]; /* the string itself */
+	char		 key[]; /* rendered text */
 };
 
-struct	id {
-	ino_t		 ino;
-	dev_t		 dev;
-};
-
-struct	of {
-	struct id	 id; /* used for hashing routine */
-	struct of	*next; /* next in ofs */
-	enum form	 dform; /* path-cued form */
-	enum form	 sform; /* suffix-cued form */
-	char		 file[PATH_MAX]; /* filename rel. to manpath */
-	char		*desc; /* parsed description */
-	char		*name; /* name (from filename) (not empty) */
-	char		*sec; /* suffix-cued section (or empty) */
-	char		*dsec; /* path-cued section (or empty) */
-	char		*arch; /* path-cued arch. (or empty) */
+struct	inodev {
+	ino_t		 st_ino;
+	dev_t		 st_dev;
 };
 
-struct	title {
-	char		*title; /* name(sec/arch) given inside the file */
-	char		*file; /* file name in case of mismatch */
+struct	mpage {
+	struct inodev	 inodev;  /* used for hashing routine */
+	struct dba_array *dba;
+	char		*sec;     /* section from file content */
+	char		*arch;    /* architecture from file content */
+	char		*title;   /* title from file content */
+	char		*desc;    /* description from file content */
+	struct mpage	*next;    /* singly linked list */
+	struct mlink	*mlinks;  /* singly linked list */
+	int		 name_head_done;
+	enum form	 form;    /* format from file content */
 };
 
-enum	stmt {
-	STMT_DELETE = 0, /* delete manpage */
-	STMT_INSERT_DOC, /* insert manpage */
-	STMT_INSERT_KEY, /* insert parsed key */
-	STMT__MAX
+struct	mlink {
+	char		 file[PATH_MAX]; /* filename rel. to manpath */
+	char		*dsec;    /* section from directory */
+	char		*arch;    /* architecture from directory */
+	char		*name;    /* name from file name (not empty) */
+	char		*fsec;    /* section from file name suffix */
+	struct mlink	*next;    /* singly linked list */
+	struct mpage	*mpage;   /* parent */
+	int		 gzip;	  /* filename has a .gz suffix */
+	enum form	 dform;   /* format from directory */
+	enum form	 fform;   /* format from file name suffix */
 };
 
-typedef	int (*mdoc_fp)(struct of *, const struct mdoc_node *);
+typedef	int (*mdoc_fp)(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
 
 struct	mdoc_handler {
 	mdoc_fp		 fp; /* optional handler */
 	uint64_t	 mask;  /* set unless handler returns 0 */
+	int		 taboo;  /* node flags that must not be set */
 };
 
-static	void	 dbclose(int);
-static	void	 dbindex(struct mchars *, int, const struct of *);
-static	int	 dbopen(int);
-static	void	 dbprune(void);
-static	void	 fileadd(struct of *);
-static	int	 filecheck(const char *);
+
+int		 mandocdb(int, char *[]);
+
+static	void	 dbadd(struct dba *, struct mpage *);
+static	void	 dbadd_mlink(const struct mlink *mlink);
+static	void	 dbprune(struct dba *);
+static	void	 dbwrite(struct dba *);
 static	void	 filescan(const char *);
-static	void	*hash_alloc(size_t, void *);
-static	void	 hash_free(void *, size_t, void *);
-static	void	*hash_halloc(size_t, void *);
-static	void	 inoadd(const struct stat *, struct of *);
-static	int	 inocheck(const struct stat *);
-static	void	 ofadd(int, const char *, const char *, const char *,
-			const char *, const char *, const struct stat *);
-static	void	 offree(void);
-static	void	 ofmerge(struct mchars *, struct mparse *, int);
-static	void	 parse_catpage(struct of *);
-static	void	 parse_man(struct of *, const struct man_node *);
-static	void	 parse_mdoc(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_body(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_head(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Fd(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Fn(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_In(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Nd(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Nm(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Sh(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_St(struct of *, const struct mdoc_node *);
-static	int	 parse_mdoc_Xr(struct of *, const struct mdoc_node *);
-static	int	 set_basedir(const char *);
-static	void	 putkey(const struct of *, 
-			const char *, uint64_t);
-static	void	 putkeys(const struct of *, 
-			const char *, size_t, uint64_t);
-static	void	 putmdockey(const struct of *,
-			const struct mdoc_node *, uint64_t);
-static	void	 say(const char *, const char *, ...);
+#if HAVE_FTS_COMPARE_CONST
+static	int	 fts_compare(const FTSENT *const *, const FTSENT *const *);
+#else
+static	int	 fts_compare(const FTSENT **, const FTSENT **);
+#endif
+static	void	 mlink_add(struct mlink *, const struct stat *);
+static	void	 mlink_check(struct mpage *, struct mlink *);
+static	void	 mlink_free(struct mlink *);
+static	void	 mlinks_undupe(struct mpage *);
+static	void	 mpages_free(void);
+static	void	 mpages_merge(struct dba *, struct mparse *);
+static	void	 parse_cat(struct mpage *, int);
+static	void	 parse_man(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	void	 parse_mdoc(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_head(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Fd(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	void	 parse_mdoc_fname(struct mpage *, const struct roff_node *);
+static	int	 parse_mdoc_Fn(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Fo(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Nd(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Nm(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Sh(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Va(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	int	 parse_mdoc_Xr(struct mpage *, const struct roff_meta *,
+			const struct roff_node *);
+static	void	 putkey(const struct mpage *, char *, uint64_t);
+static	void	 putkeys(const struct mpage *, char *, size_t, uint64_t);
+static	void	 putmdockey(const struct mpage *,
+			const struct roff_node *, uint64_t, int);
+static	int	 render_string(char **, size_t *);
+static	void	 say(const char *, const char *, ...)
+			__attribute__((__format__ (__printf__, 2, 3)));
+static	int	 set_basedir(const char *, int);
 static	int	 treescan(void);
 static	size_t	 utf8(unsigned int, char [7]);
-static	void	 utf8key(struct mchars *, struct str *);
 
-static	char		*progname;
-static	int	 	 use_all; /* use all found files */
 static	int		 nodb; /* no database changes */
-static	int	  	 verb; /* print what we're doing */
-static	int	  	 warnings; /* warn about crap */
+static	int		 mparse_options; /* abort the parse early */
+static	int		 use_all; /* use all found files */
+static	int		 debug; /* print what we're doing */
+static	int		 warnings; /* warn about crap */
+static	int		 write_utf8; /* write UTF-8 output; else ASCII */
 static	int		 exitcode; /* to be returned by main */
-static	enum op	  	 op; /* operational mode */
+static	enum op		 op; /* operational mode */
 static	char		 basedir[PATH_MAX]; /* current base directory */
-static	struct ohash	 inos; /* table of inodes/devices */
-static	struct ohash	 filenames; /* table of filenames */
+static	struct mpage	*mpage_head; /* list of distinct manual pages */
+static	struct ohash	 mpages; /* table of distinct manual pages */
+static	struct ohash	 mlinks; /* table of directory entries */
+static	struct ohash	 names; /* table of all names */
 static	struct ohash	 strings; /* table of all strings */
-static	struct of	*ofs = NULL; /* vector of files to parse */
-static	sqlite3		*db = NULL; /* current database */
-static	sqlite3_stmt	*stmts[STMT__MAX]; /* current statements */
-
-static	const struct mdoc_handler mdocs[MDOC_MAX] = {
-	{ NULL, 0 },  /* Ap */
-	{ NULL, 0 },  /* Dd */
-	{ NULL, 0 },  /* Dt */
-	{ NULL, 0 },  /* Os */
-	{ parse_mdoc_Sh, TYPE_Sh }, /* Sh */
-	{ parse_mdoc_head, TYPE_Ss }, /* Ss */
-	{ NULL, 0 },  /* Pp */
-	{ NULL, 0 },  /* D1 */
-	{ NULL, 0 },  /* Dl */
-	{ NULL, 0 },  /* Bd */
-	{ NULL, 0 },  /* Ed */
-	{ NULL, 0 },  /* Bl */
-	{ NULL, 0 },  /* El */
-	{ NULL, 0 },  /* It */
-	{ NULL, 0 },  /* Ad */
-	{ NULL, TYPE_An },  /* An */
-	{ NULL, TYPE_Ar },  /* Ar */
-	{ NULL, TYPE_Cd },  /* Cd */
-	{ NULL, TYPE_Cm },  /* Cm */
-	{ NULL, TYPE_Dv },  /* Dv */
-	{ NULL, TYPE_Er },  /* Er */
-	{ NULL, TYPE_Ev },  /* Ev */
-	{ NULL, 0 },  /* Ex */
-	{ NULL, TYPE_Fa },  /* Fa */
-	{ parse_mdoc_Fd, 0 },  /* Fd */
-	{ NULL, TYPE_Fl },  /* Fl */
-	{ parse_mdoc_Fn, 0 },  /* Fn */
-	{ NULL, TYPE_Ft },  /* Ft */
-	{ NULL, TYPE_Ic },  /* Ic */
-	{ parse_mdoc_In, TYPE_In },  /* In */
-	{ NULL, TYPE_Li },  /* Li */
-	{ parse_mdoc_Nd, TYPE_Nd },  /* Nd */
-	{ parse_mdoc_Nm, TYPE_Nm },  /* Nm */
-	{ NULL, 0 },  /* Op */
-	{ NULL, 0 },  /* Ot */
-	{ NULL, TYPE_Pa },  /* Pa */
-	{ NULL, 0 },  /* Rv */
-	{ parse_mdoc_St, 0 },  /* St */
-	{ NULL, TYPE_Va },  /* Va */
-	{ parse_mdoc_body, TYPE_Va },  /* Vt */
-	{ parse_mdoc_Xr, 0 },  /* Xr */
-	{ NULL, 0 },  /* %A */
-	{ NULL, 0 },  /* %B */
-	{ NULL, 0 },  /* %D */
-	{ NULL, 0 },  /* %I */
-	{ NULL, 0 },  /* %J */
-	{ NULL, 0 },  /* %N */
-	{ NULL, 0 },  /* %O */
-	{ NULL, 0 },  /* %P */
-	{ NULL, 0 },  /* %R */
-	{ NULL, 0 },  /* %T */
-	{ NULL, 0 },  /* %V */
-	{ NULL, 0 },  /* Ac */
-	{ NULL, 0 },  /* Ao */
-	{ NULL, 0 },  /* Aq */
-	{ NULL, TYPE_At },  /* At */
-	{ NULL, 0 },  /* Bc */
-	{ NULL, 0 },  /* Bf */
-	{ NULL, 0 },  /* Bo */
-	{ NULL, 0 },  /* Bq */
-	{ NULL, TYPE_Bsx },  /* Bsx */
-	{ NULL, TYPE_Bx },  /* Bx */
-	{ NULL, 0 },  /* Db */
-	{ NULL, 0 },  /* Dc */
-	{ NULL, 0 },  /* Do */
-	{ NULL, 0 },  /* Dq */
-	{ NULL, 0 },  /* Ec */
-	{ NULL, 0 },  /* Ef */
-	{ NULL, TYPE_Em },  /* Em */
-	{ NULL, 0 },  /* Eo */
-	{ NULL, TYPE_Fx },  /* Fx */
-	{ NULL, TYPE_Ms },  /* Ms */
-	{ NULL, 0 },  /* No */
-	{ NULL, 0 },  /* Ns */
-	{ NULL, TYPE_Nx },  /* Nx */
-	{ NULL, TYPE_Ox },  /* Ox */
-	{ NULL, 0 },  /* Pc */
-	{ NULL, 0 },  /* Pf */
-	{ NULL, 0 },  /* Po */
-	{ NULL, 0 },  /* Pq */
-	{ NULL, 0 },  /* Qc */
-	{ NULL, 0 },  /* Ql */
-	{ NULL, 0 },  /* Qo */
-	{ NULL, 0 },  /* Qq */
-	{ NULL, 0 },  /* Re */
-	{ NULL, 0 },  /* Rs */
-	{ NULL, 0 },  /* Sc */
-	{ NULL, 0 },  /* So */
-	{ NULL, 0 },  /* Sq */
-	{ NULL, 0 },  /* Sm */
-	{ NULL, 0 },  /* Sx */
-	{ NULL, TYPE_Sy },  /* Sy */
-	{ NULL, TYPE_Tn },  /* Tn */
-	{ NULL, 0 },  /* Ux */
-	{ NULL, 0 },  /* Xc */
-	{ NULL, 0 },  /* Xo */
-	{ parse_mdoc_head, 0 },  /* Fo */
-	{ NULL, 0 },  /* Fc */
-	{ NULL, 0 },  /* Oo */
-	{ NULL, 0 },  /* Oc */
-	{ NULL, 0 },  /* Bk */
-	{ NULL, 0 },  /* Ek */
-	{ NULL, 0 },  /* Bt */
-	{ NULL, 0 },  /* Hf */
-	{ NULL, 0 },  /* Fr */
-	{ NULL, 0 },  /* Ud */
-	{ NULL, TYPE_Lb },  /* Lb */
-	{ NULL, 0 },  /* Lp */
-	{ NULL, TYPE_Lk },  /* Lk */
-	{ NULL, TYPE_Mt },  /* Mt */
-	{ NULL, 0 },  /* Brq */
-	{ NULL, 0 },  /* Bro */
-	{ NULL, 0 },  /* Brc */
-	{ NULL, 0 },  /* %C */
-	{ NULL, 0 },  /* Es */
-	{ NULL, 0 },  /* En */
-	{ NULL, TYPE_Dx },  /* Dx */
-	{ NULL, 0 },  /* %Q */
-	{ NULL, 0 },  /* br */
-	{ NULL, 0 },  /* sp */
-	{ NULL, 0 },  /* %U */
-	{ NULL, 0 },  /* Ta */
+static	uint64_t	 name_mask;
+
+static	const struct mdoc_handler __mdocs[MDOC_MAX - MDOC_Dd] = {
+	{ NULL, 0, NODE_NOPRT },  /* Dd */
+	{ NULL, 0, NODE_NOPRT },  /* Dt */
+	{ NULL, 0, NODE_NOPRT },  /* Os */
+	{ parse_mdoc_Sh, TYPE_Sh, 0 }, /* Sh */
+	{ parse_mdoc_head, TYPE_Ss, 0 }, /* Ss */
+	{ NULL, 0, 0 },  /* Pp */
+	{ NULL, 0, 0 },  /* D1 */
+	{ NULL, 0, 0 },  /* Dl */
+	{ NULL, 0, 0 },  /* Bd */
+	{ NULL, 0, 0 },  /* Ed */
+	{ NULL, 0, 0 },  /* Bl */
+	{ NULL, 0, 0 },  /* El */
+	{ NULL, 0, 0 },  /* It */
+	{ NULL, 0, 0 },  /* Ad */
+	{ NULL, TYPE_An, 0 },  /* An */
+	{ NULL, 0, 0 },  /* Ap */
+	{ NULL, TYPE_Ar, 0 },  /* Ar */
+	{ NULL, TYPE_Cd, 0 },  /* Cd */
+	{ NULL, TYPE_Cm, 0 },  /* Cm */
+	{ NULL, TYPE_Dv, 0 },  /* Dv */
+	{ NULL, TYPE_Er, 0 },  /* Er */
+	{ NULL, TYPE_Ev, 0 },  /* Ev */
+	{ NULL, 0, 0 },  /* Ex */
+	{ NULL, TYPE_Fa, 0 },  /* Fa */
+	{ parse_mdoc_Fd, 0, 0 },  /* Fd */
+	{ NULL, TYPE_Fl, 0 },  /* Fl */
+	{ parse_mdoc_Fn, 0, 0 },  /* Fn */
+	{ NULL, TYPE_Ft, 0 },  /* Ft */
+	{ NULL, TYPE_Ic, 0 },  /* Ic */
+	{ NULL, TYPE_In, 0 },  /* In */
+	{ NULL, TYPE_Li, 0 },  /* Li */
+	{ parse_mdoc_Nd, 0, 0 },  /* Nd */
+	{ parse_mdoc_Nm, 0, 0 },  /* Nm */
+	{ NULL, 0, 0 },  /* Op */
+	{ NULL, 0, 0 },  /* Ot */
+	{ NULL, TYPE_Pa, NODE_NOSRC },  /* Pa */
+	{ NULL, 0, 0 },  /* Rv */
+	{ NULL, TYPE_St, 0 },  /* St */
+	{ parse_mdoc_Va, TYPE_Va, 0 },  /* Va */
+	{ parse_mdoc_Va, TYPE_Vt, 0 },  /* Vt */
+	{ parse_mdoc_Xr, 0, 0 },  /* Xr */
+	{ NULL, 0, 0 },  /* %A */
+	{ NULL, 0, 0 },  /* %B */
+	{ NULL, 0, 0 },  /* %D */
+	{ NULL, 0, 0 },  /* %I */
+	{ NULL, 0, 0 },  /* %J */
+	{ NULL, 0, 0 },  /* %N */
+	{ NULL, 0, 0 },  /* %O */
+	{ NULL, 0, 0 },  /* %P */
+	{ NULL, 0, 0 },  /* %R */
+	{ NULL, 0, 0 },  /* %T */
+	{ NULL, 0, 0 },  /* %V */
+	{ NULL, 0, 0 },  /* Ac */
+	{ NULL, 0, 0 },  /* Ao */
+	{ NULL, 0, 0 },  /* Aq */
+	{ NULL, TYPE_At, 0 },  /* At */
+	{ NULL, 0, 0 },  /* Bc */
+	{ NULL, 0, 0 },  /* Bf */
+	{ NULL, 0, 0 },  /* Bo */
+	{ NULL, 0, 0 },  /* Bq */
+	{ NULL, TYPE_Bsx, NODE_NOSRC },  /* Bsx */
+	{ NULL, TYPE_Bx, NODE_NOSRC },  /* Bx */
+	{ NULL, 0, 0 },  /* Db */
+	{ NULL, 0, 0 },  /* Dc */
+	{ NULL, 0, 0 },  /* Do */
+	{ NULL, 0, 0 },  /* Dq */
+	{ NULL, 0, 0 },  /* Ec */
+	{ NULL, 0, 0 },  /* Ef */
+	{ NULL, TYPE_Em, 0 },  /* Em */
+	{ NULL, 0, 0 },  /* Eo */
+	{ NULL, TYPE_Fx, NODE_NOSRC },  /* Fx */
+	{ NULL, TYPE_Ms, 0 },  /* Ms */
+	{ NULL, 0, 0 },  /* No */
+	{ NULL, 0, 0 },  /* Ns */
+	{ NULL, TYPE_Nx, NODE_NOSRC },  /* Nx */
+	{ NULL, TYPE_Ox, NODE_NOSRC },  /* Ox */
+	{ NULL, 0, 0 },  /* Pc */
+	{ NULL, 0, 0 },  /* Pf */
+	{ NULL, 0, 0 },  /* Po */
+	{ NULL, 0, 0 },  /* Pq */
+	{ NULL, 0, 0 },  /* Qc */
+	{ NULL, 0, 0 },  /* Ql */
+	{ NULL, 0, 0 },  /* Qo */
+	{ NULL, 0, 0 },  /* Qq */
+	{ NULL, 0, 0 },  /* Re */
+	{ NULL, 0, 0 },  /* Rs */
+	{ NULL, 0, 0 },  /* Sc */
+	{ NULL, 0, 0 },  /* So */
+	{ NULL, 0, 0 },  /* Sq */
+	{ NULL, 0, 0 },  /* Sm */
+	{ NULL, 0, 0 },  /* Sx */
+	{ NULL, TYPE_Sy, 0 },  /* Sy */
+	{ NULL, TYPE_Tn, 0 },  /* Tn */
+	{ NULL, 0, NODE_NOSRC },  /* Ux */
+	{ NULL, 0, 0 },  /* Xc */
+	{ NULL, 0, 0 },  /* Xo */
+	{ parse_mdoc_Fo, 0, 0 },  /* Fo */
+	{ NULL, 0, 0 },  /* Fc */
+	{ NULL, 0, 0 },  /* Oo */
+	{ NULL, 0, 0 },  /* Oc */
+	{ NULL, 0, 0 },  /* Bk */
+	{ NULL, 0, 0 },  /* Ek */
+	{ NULL, 0, 0 },  /* Bt */
+	{ NULL, 0, 0 },  /* Hf */
+	{ NULL, 0, 0 },  /* Fr */
+	{ NULL, 0, 0 },  /* Ud */
+	{ NULL, TYPE_Lb, NODE_NOSRC },  /* Lb */
+	{ NULL, 0, 0 },  /* Lp */
+	{ NULL, TYPE_Lk, 0 },  /* Lk */
+	{ NULL, TYPE_Mt, NODE_NOSRC },  /* Mt */
+	{ NULL, 0, 0 },  /* Brq */
+	{ NULL, 0, 0 },  /* Bro */
+	{ NULL, 0, 0 },  /* Brc */
+	{ NULL, 0, 0 },  /* %C */
+	{ NULL, 0, 0 },  /* Es */
+	{ NULL, 0, 0 },  /* En */
+	{ NULL, TYPE_Dx, NODE_NOSRC },  /* Dx */
+	{ NULL, 0, 0 },  /* %Q */
+	{ NULL, 0, 0 },  /* %U */
+	{ NULL, 0, 0 },  /* Ta */
 };
+static	const struct mdoc_handler *const mdocs = __mdocs - MDOC_Dd;
+
 
 int
-main(int argc, char *argv[])
+mandocdb(int argc, char *argv[])
 {
-	int		  ch, i;
-	size_t		  j, sz;
-	const char	 *path_arg;
-	struct mchars	 *mc;
-	struct manpaths	  dirs;
+	struct manconf	  conf;
 	struct mparse	 *mp;
-	struct ohash_info ino_info, filename_info;
-
-	memset(stmts, 0, STMT__MAX * sizeof(sqlite3_stmt *));
-	memset(&dirs, 0, sizeof(struct manpaths));
+	struct dba	 *dba;
+	const char	 *path_arg, *progname;
+	size_t		  j, sz;
+	int		  ch, i;
 
-	ino_info.alloc  = filename_info.alloc  = hash_alloc;
-	ino_info.halloc = filename_info.halloc = hash_halloc;
-	ino_info.hfree  = filename_info.hfree  = hash_free;
+#if HAVE_PLEDGE
+	if (pledge("stdio rpath wpath cpath fattr flock proc exec", NULL) == -1) {
+		warn("pledge");
+		return (int)MANDOCLEVEL_SYSERR;
+	}
+#endif
 
-	ino_info.key_offset = offsetof(struct of, id);
-	filename_info.key_offset = offsetof(struct of, file);
+#if HAVE_SANDBOX_INIT
+	if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1) {
+		warnx("sandbox_init");
+		return (int)MANDOCLEVEL_SYSERR;
+	}
+#endif
 
-	progname = strrchr(argv[0], '/');
-	if (progname == NULL)
-		progname = argv[0];
-	else
-		++progname;
+	memset(&conf, 0, sizeof(conf));
 
 	/*
-	 * We accept a few different invocations.  
+	 * We accept a few different invocations.
 	 * The CHECKOP macro makes sure that invocation styles don't
 	 * clobber each other.
 	 */
 #define	CHECKOP(_op, _ch) do \
 	if (OP_DEFAULT != (_op)) { \
-		fprintf(stderr, "-%c: Conflicting option\n", (_ch)); \
+		warnx("-%c: Conflicting option", (_ch)); \
 		goto usage; \
 	} while (/*CONSTCOND*/0)
 
 	path_arg = NULL;
 	op = OP_DEFAULT;
 
-	while (-1 != (ch = getopt(argc, argv, "aC:d:ntu:vW")))
+	while (-1 != (ch = getopt(argc, argv, "aC:Dd:npQT:tu:v")))
 		switch (ch) {
-		case ('a'):
+		case 'a':
 			use_all = 1;
 			break;
-		case ('C'):
+		case 'C':
 			CHECKOP(op, ch);
 			path_arg = optarg;
 			op = OP_CONFFILE;
 			break;
-		case ('d'):
+		case 'D':
+			debug++;
+			break;
+		case 'd':
 			CHECKOP(op, ch);
 			path_arg = optarg;
 			op = OP_UPDATE;
 			break;
-		case ('n'):
+		case 'n':
 			nodb = 1;
 			break;
-		case ('t'):
+		case 'p':
+			warnings = 1;
+			break;
+		case 'Q':
+			mparse_options |= MPARSE_QUICK;
+			break;
+		case 'T':
+			if (strcmp(optarg, "utf8")) {
+				warnx("-T%s: Unsupported output format",
+				    optarg);
+				goto usage;
+			}
+			write_utf8 = 1;
+			break;
+		case 't':
 			CHECKOP(op, ch);
 			dup2(STDOUT_FILENO, STDERR_FILENO);
 			op = OP_TEST;
 			nodb = warnings = 1;
 			break;
-		case ('u'):
+		case 'u':
 			CHECKOP(op, ch);
 			path_arg = optarg;
 			op = OP_DELETE;
 			break;
-		case ('v'):
-			verb++;
-			break;
-		case ('W'):
-			warnings = 1;
+		case 'v':
+			/* Compatibility with espie@'s makewhatis. */
 			break;
 		default:
 			goto usage;
@@ -389,55 +404,90 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+#if HAVE_PLEDGE
+	if (nodb) {
+		if (pledge("stdio rpath", NULL) == -1) {
+			warn("pledge");
+			return (int)MANDOCLEVEL_SYSERR;
+		}
+	}
+#endif
+
 	if (OP_CONFFILE == op && argc > 0) {
-		fprintf(stderr, "-C: Too many arguments\n");
+		warnx("-C: Too many arguments");
 		goto usage;
 	}
 
 	exitcode = (int)MANDOCLEVEL_OK;
-	mp = mparse_alloc(MPARSE_AUTO, 
-		MANDOCLEVEL_FATAL, NULL, NULL, NULL);
-	mc = mchars_alloc();
-
-	ohash_init(&inos, 6, &ino_info);
-	ohash_init(&filenames, 6, &filename_info);
+	mchars_alloc();
+	mp = mparse_alloc(mparse_options, MANDOCLEVEL_BADARG, NULL,
+	    MANDOC_OS_OTHER, NULL);
+	mandoc_ohash_init(&mpages, 6, offsetof(struct mpage, inodev));
+	mandoc_ohash_init(&mlinks, 6, offsetof(struct mlink, file));
 
 	if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
-		/* 
-		 * Force processing all files.
-		 */
-		use_all = 1;
 
 		/*
-		 * All of these deal with a specific directory.
-		 * Jump into that directory then collect files specified
-		 * on the command-line.
+		 * Most of these deal with a specific directory.
+		 * Jump into that directory first.
 		 */
-		if (0 == set_basedir(path_arg))
-			goto out;
-		for (i = 0; i < argc; i++)
-			filescan(argv[i]);
-		if (0 == dbopen(1))
+		if (OP_TEST != op && 0 == set_basedir(path_arg, 1))
 			goto out;
-		if (OP_TEST != op)
-			dbprune();
+
+		dba = nodb ? dba_new(128) : dba_read(MANDOC_DB);
+		if (dba != NULL) {
+			/*
+			 * The existing database is usable.  Process
+			 * all files specified on the command-line.
+			 */
+#if HAVE_PLEDGE
+			if (!nodb) {
+				if (pledge("stdio rpath wpath cpath fattr flock", NULL) == -1) {
+					warn("pledge");
+					exitcode = (int)MANDOCLEVEL_SYSERR;
+					goto out;
+				}
+			}
+#endif
+			use_all = 1;
+			for (i = 0; i < argc; i++)
+				filescan(argv[i]);
+			if (nodb == 0)
+				dbprune(dba);
+		} else {
+			/* Database missing or corrupt. */
+			if (op != OP_UPDATE || errno != ENOENT)
+				say(MANDOC_DB, "%s: Automatically recreating"
+				    " from scratch", strerror(errno));
+			exitcode = (int)MANDOCLEVEL_OK;
+			op = OP_DEFAULT;
+			if (0 == treescan())
+				goto out;
+			dba = dba_new(128);
+		}
 		if (OP_DELETE != op)
-			ofmerge(mc, mp, 0);
-		dbclose(1);
+			mpages_merge(dba, mp);
+		if (nodb == 0)
+			dbwrite(dba);
+		dba_free(dba);
 	} else {
 		/*
 		 * If we have arguments, use them as our manpaths.
-		 * If we don't, grok from manpath(1) or however else
-		 * manpath_parse() wants to do it.
+		 * If we don't, use man.conf(5).
 		 */
 		if (argc > 0) {
-			dirs.paths = mandoc_calloc
-				(argc, sizeof(char *));
-			dirs.sz = (size_t)argc;
+			conf.manpath.paths = mandoc_reallocarray(NULL,
+			    argc, sizeof(char *));
+			conf.manpath.sz = (size_t)argc;
 			for (i = 0; i < argc; i++)
-				dirs.paths[i] = mandoc_strdup(argv[i]);
+				conf.manpath.paths[i] = mandoc_strdup(argv[i]);
 		} else
-			manpath_parse(&dirs, path_arg, NULL, NULL);
+			manconf_parse(&conf, path_arg, NULL, NULL);
+
+		if (conf.manpath.sz == 0) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "Empty manpath");
+		}
 
 		/*
 		 * First scan the tree rooted at a base directory, then
@@ -445,56 +495,69 @@ main(int argc, char *argv[])
 		 * Ignore zero-length directories and strip trailing
 		 * slashes.
 		 */
-		for (j = 0; j < dirs.sz; j++) {
-			sz = strlen(dirs.paths[j]);
-			if (sz && '/' == dirs.paths[j][sz - 1])
-				dirs.paths[j][--sz] = '\0';
+		for (j = 0; j < conf.manpath.sz; j++) {
+			sz = strlen(conf.manpath.paths[j]);
+			if (sz && conf.manpath.paths[j][sz - 1] == '/')
+				conf.manpath.paths[j][--sz] = '\0';
 			if (0 == sz)
 				continue;
 
 			if (j) {
-				ohash_init(&inos, 6, &ino_info);
-				ohash_init(&filenames, 6, &filename_info);
+				mandoc_ohash_init(&mpages, 6,
+				    offsetof(struct mpage, inodev));
+				mandoc_ohash_init(&mlinks, 6,
+				    offsetof(struct mlink, file));
 			}
 
-			if (0 == set_basedir(dirs.paths[j]))
-				goto out;
+			if ( ! set_basedir(conf.manpath.paths[j], argc > 0))
+				continue;
 			if (0 == treescan())
-				goto out;
-			if (0 == set_basedir(dirs.paths[j]))
-				goto out;
-			if (0 == dbopen(0))
-				goto out;
-
-			ofmerge(mc, mp, warnings && !use_all);
-			dbclose(0);
-
-			if (j + 1 < dirs.sz) {
-				ohash_delete(&inos);
-				ohash_delete(&filenames);
-				offree();
+				continue;
+			dba = dba_new(128);
+			mpages_merge(dba, mp);
+			if (nodb == 0)
+				dbwrite(dba);
+			dba_free(dba);
+
+			if (j + 1 < conf.manpath.sz) {
+				mpages_free();
+				ohash_delete(&mpages);
+				ohash_delete(&mlinks);
 			}
 		}
 	}
 out:
-	set_basedir(NULL);
-	manpath_free(&dirs);
-	mchars_free(mc);
+	manconf_free(&conf);
 	mparse_free(mp);
-	ohash_delete(&inos);
-	ohash_delete(&filenames);
-	offree();
-	return(exitcode);
+	mchars_free();
+	mpages_free();
+	ohash_delete(&mpages);
+	ohash_delete(&mlinks);
+	return exitcode;
 usage:
-	fprintf(stderr, "usage: %s [-anvW] [-C file]\n"
-			"       %s [-anvW] dir ...\n"
-			"       %s [-nvW] -d dir [file ...]\n"
-			"       %s [-nvW] -u dir [file ...]\n"
-			"       %s -t file ...\n",
-		       progname, progname, progname, 
-		       progname, progname);
-
-	return((int)MANDOCLEVEL_BADARG);
+	progname = getprogname();
+	fprintf(stderr, "usage: %s [-aDnpQ] [-C file] [-Tutf8]\n"
+			"       %s [-aDnpQ] [-Tutf8] dir ...\n"
+			"       %s [-DnpQ] [-Tutf8] -d dir [file ...]\n"
+			"       %s [-Dnp] -u dir [file ...]\n"
+			"       %s [-Q] -t file ...\n",
+		        progname, progname, progname, progname, progname);
+
+	return (int)MANDOCLEVEL_BADARG;
+}
+
+/*
+ * To get a singly linked list in alpha order while inserting entries
+ * at the beginning, process directory entries in reverse alpha order.
+ */
+static int
+#if HAVE_FTS_COMPARE_CONST
+fts_compare(const FTSENT *const *a, const FTSENT *const *b)
+#else
+fts_compare(const FTSENT **a, const FTSENT **b)
+#endif
+{
+	return -strcmp((*a)->fts_name, (*b)->fts_name);
 }
 
 /*
@@ -505,141 +568,195 @@ usage:
  * If use_all has been specified, grok all files.
  * If not, sanitise paths to the following:
  *
- *   [./]man*[/<arch>]/<name>.<section> 
+ *   [./]man*[/<arch>]/<name>.<section>
  *   or
  *   [./]cat<section>[/<arch>]/<name>.0
  *
- * TODO: accomodate for multi-language directories.
+ * TODO: accommodate for multi-language directories.
  */
 static int
 treescan(void)
 {
+	char		 buf[PATH_MAX];
 	FTS		*f;
 	FTSENT		*ff;
-	int		 dform;
-	char		*sec;
-	const char	*dsec, *arch, *cp, *path;
+	struct mlink	*mlink;
+	int		 gzip;
+	enum form	 dform;
+	char		*dsec, *arch, *fsec, *cp;
+	const char	*path;
 	const char	*argv[2];
 
 	argv[0] = ".";
-	argv[1] = (char *)NULL;
+	argv[1] = NULL;
 
-	/*
-	 * Walk through all components under the directory, using the
-	 * logical descent of files.
-	 */
-	f = fts_open((char * const *)argv, FTS_LOGICAL, NULL);
-	if (NULL == f) {
+	f = fts_open((char * const *)argv, FTS_PHYSICAL | FTS_NOCHDIR,
+	    fts_compare);
+	if (f == NULL) {
 		exitcode = (int)MANDOCLEVEL_SYSERR;
-		say("", NULL);
-		return(0);
+		say("", "&fts_open");
+		return 0;
 	}
 
 	dsec = arch = NULL;
 	dform = FORM_NONE;
 
-	while (NULL != (ff = fts_read(f))) {
+	while ((ff = fts_read(f)) != NULL) {
 		path = ff->fts_path + 2;
+		switch (ff->fts_info) {
+
+		/*
+		 * Symbolic links require various sanity checks,
+		 * then get handled just like regular files.
+		 */
+		case FTS_SL:
+			if (realpath(path, buf) == NULL) {
+				if (warnings)
+					say(path, "&realpath");
+				continue;
+			}
+			if (strstr(buf, basedir) != buf
+#ifdef HOMEBREWDIR
+			    && strstr(buf, HOMEBREWDIR) != buf
+#endif
+			) {
+				if (warnings) say("",
+				    "%s: outside base directory", buf);
+				continue;
+			}
+			/* Use logical inode to avoid mpages dupe. */
+			if (stat(path, ff->fts_statp) == -1) {
+				if (warnings)
+					say(path, "&stat");
+				continue;
+			}
+			/* FALLTHROUGH */
+
 		/*
-		 * If we're a regular file, add an "of" by using the
+		 * If we're a regular file, add an mlink by using the
 		 * stored directory data and handling the filename.
-		 * Disallow duplicate (hard-linked) files.
 		 */
-		if (FTS_F == ff->fts_info) {
-			if (0 == strcmp(path, MANDOC_DB))
+		case FTS_F:
+			if ( ! strcmp(path, MANDOC_DB))
 				continue;
 			if ( ! use_all && ff->fts_level < 2) {
 				if (warnings)
 					say(path, "Extraneous file");
 				continue;
-			} else if (inocheck(ff->fts_statp)) {
-				if (warnings)
-					say(path, "Duplicate file");
-				continue;
-			} else if (NULL == (sec =
-					strrchr(ff->fts_name, '.'))) {
+			}
+			gzip = 0;
+			fsec = NULL;
+			while (fsec == NULL) {
+				fsec = strrchr(ff->fts_name, '.');
+				if (fsec == NULL || strcmp(fsec+1, "gz"))
+					break;
+				gzip = 1;
+				*fsec = '\0';
+				fsec = NULL;
+			}
+			if (fsec == NULL) {
 				if ( ! use_all) {
 					if (warnings)
 						say(path,
 						    "No filename suffix");
 					continue;
 				}
-			} else if (0 == strcmp(++sec, "html")) {
+			} else if ( ! strcmp(++fsec, "html")) {
 				if (warnings)
 					say(path, "Skip html");
 				continue;
-			} else if (0 == strcmp(sec, "gz")) {
-				if (warnings)
-					say(path, "Skip gz");
-				continue;
-			} else if (0 == strcmp(sec, "ps")) {
+			} else if ( ! strcmp(fsec, "ps")) {
 				if (warnings)
 					say(path, "Skip ps");
 				continue;
-			} else if (0 == strcmp(sec, "pdf")) {
+			} else if ( ! strcmp(fsec, "pdf")) {
 				if (warnings)
 					say(path, "Skip pdf");
 				continue;
 			} else if ( ! use_all &&
-			    ((FORM_SRC == dform && strcmp(sec, dsec)) ||
-			     (FORM_CAT == dform && strcmp(sec, "0")))) {
+			    ((dform == FORM_SRC &&
+			      strncmp(fsec, dsec, strlen(dsec))) ||
+			     (dform == FORM_CAT && strcmp(fsec, "0")))) {
 				if (warnings)
 					say(path, "Wrong filename suffix");
 				continue;
 			} else
-				sec[-1] = '\0';
-			ofadd(dform, path, ff->fts_name, dsec, sec,
-					arch, ff->fts_statp);
+				fsec[-1] = '\0';
+
+			mlink = mandoc_calloc(1, sizeof(struct mlink));
+			if (strlcpy(mlink->file, path,
+			    sizeof(mlink->file)) >=
+			    sizeof(mlink->file)) {
+				say(path, "Filename too long");
+				free(mlink);
+				continue;
+			}
+			mlink->dform = dform;
+			mlink->dsec = dsec;
+			mlink->arch = arch;
+			mlink->name = ff->fts_name;
+			mlink->fsec = fsec;
+			mlink->gzip = gzip;
+			mlink_add(mlink, ff->fts_statp);
 			continue;
-		} else if (FTS_D != ff->fts_info && 
-				FTS_DP != ff->fts_info) {
+
+		case FTS_D:
+		case FTS_DP:
+			break;
+
+		default:
 			if (warnings)
 				say(path, "Not a regular file");
 			continue;
 		}
 
 		switch (ff->fts_level) {
-		case (0):
+		case 0:
 			/* Ignore the root directory. */
 			break;
-		case (1):
+		case 1:
 			/*
 			 * This might contain manX/ or catX/.
 			 * Try to infer this from the name.
 			 * If we're not in use_all, enforce it.
 			 */
-			dsec = NULL;
-			dform = FORM_NONE;
 			cp = ff->fts_name;
-			if (FTS_DP == ff->fts_info)
+			if (ff->fts_info == FTS_DP) {
+				dform = FORM_NONE;
+				dsec = NULL;
 				break;
+			}
 
-			if (0 == strncmp(cp, "man", 3)) {
+			if ( ! strncmp(cp, "man", 3)) {
 				dform = FORM_SRC;
 				dsec = cp + 3;
-			} else if (0 == strncmp(cp, "cat", 3)) {
+			} else if ( ! strncmp(cp, "cat", 3)) {
 				dform = FORM_CAT;
 				dsec = cp + 3;
+			} else {
+				dform = FORM_NONE;
+				dsec = NULL;
 			}
 
-			if (NULL != dsec || use_all) 
+			if (dsec != NULL || use_all)
 				break;
 
 			if (warnings)
 				say(path, "Unknown directory part");
 			fts_set(f, ff, FTS_SKIP);
 			break;
-		case (2):
+		case 2:
 			/*
 			 * Possibly our architecture.
 			 * If we're descending, keep tabs on it.
 			 */
-			arch = NULL;
-			if (FTS_DP != ff->fts_info && NULL != dsec)
+			if (ff->fts_info != FTS_DP && dsec != NULL)
 				arch = ff->fts_name;
+			else
+				arch = NULL;
 			break;
 		default:
-			if (FTS_DP == ff->fts_info || use_all)
+			if (ff->fts_info == FTS_DP || use_all)
 				break;
 			if (warnings)
 				say(path, "Extraneous directory part");
@@ -649,62 +766,123 @@ treescan(void)
 	}
 
 	fts_close(f);
-	return(1);
+	return 1;
 }
 
 /*
- * Add a file to the file vector.
+ * Add a file to the mlinks table.
  * Do not verify that it's a "valid" looking manpage (we'll do that
  * later).
  *
  * Try to infer the manual section, architecture, and page name from the
  * path, assuming it looks like
  *
- *   [./]man*[/<arch>]/<name>.<section> 
+ *   [./]man*[/<arch>]/<name>.<section>
  *   or
  *   [./]cat<section>[/<arch>]/<name>.0
  *
- * Stuff this information directly into the "of" vector.
  * See treescan() for the fts(3) version of this.
  */
 static void
 filescan(const char *file)
 {
 	char		 buf[PATH_MAX];
-	const char	*sec, *arch, *name, *dsec;
-	char		*p, *start;
-	int		 dform;
 	struct stat	 st;
+	struct mlink	*mlink;
+	char		*p, *start;
 
 	assert(use_all);
 
 	if (0 == strncmp(file, "./", 2))
 		file += 2;
 
-	if (NULL == realpath(file, buf)) {
+	/*
+	 * We have to do lstat(2) before realpath(3) loses
+	 * the information whether this is a symbolic link.
+	 * We need to know that because for symbolic links,
+	 * we want to use the orginal file name, while for
+	 * regular files, we want to use the real path.
+	 */
+	if (-1 == lstat(file, &st)) {
 		exitcode = (int)MANDOCLEVEL_BADARG;
-		say(file, NULL);
+		say(file, "&lstat");
 		return;
-	} else if (OP_TEST != op && strstr(buf, basedir) != buf) {
+	} else if (0 == ((S_IFREG | S_IFLNK) & st.st_mode)) {
 		exitcode = (int)MANDOCLEVEL_BADARG;
-		say("", "%s: outside base directory", buf);
+		say(file, "Not a regular file");
 		return;
-	} else if (-1 == stat(buf, &st)) {
+	}
+
+	/*
+	 * We have to resolve the file name to the real path
+	 * in any case for the base directory check.
+	 */
+	if (NULL == realpath(file, buf)) {
 		exitcode = (int)MANDOCLEVEL_BADARG;
-		say(file, NULL);
+		say(file, "&realpath");
 		return;
-	} else if ( ! (S_IFREG & st.st_mode)) {
+	}
+
+	if (OP_TEST == op)
+		start = buf;
+	else if (strstr(buf, basedir) == buf)
+		start = buf + strlen(basedir);
+#ifdef HOMEBREWDIR
+	else if (strstr(buf, HOMEBREWDIR) == buf)
+		start = buf;
+#endif
+	else {
 		exitcode = (int)MANDOCLEVEL_BADARG;
-		say(file, "Not a regular file");
+		say("", "%s: outside base directory", buf);
 		return;
-	} else if (inocheck(&st)) {
-		if (warnings)
-			say(file, "Duplicate file");
+	}
+
+	/*
+	 * Now we are sure the file is inside our tree.
+	 * If it is a symbolic link, ignore the real path
+	 * and use the original name.
+	 * This implies passing stuff like "cat1/../man1/foo.1"
+	 * on the command line won't work.  So don't do that.
+	 * Note the stat(2) can still fail if the link target
+	 * doesn't exist.
+	 */
+	if (S_IFLNK & st.st_mode) {
+		if (-1 == stat(buf, &st)) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say(file, "&stat");
+			return;
+		}
+		if (strlcpy(buf, file, sizeof(buf)) >= sizeof(buf)) {
+			say(file, "Filename too long");
+			return;
+		}
+		start = buf;
+		if (OP_TEST != op && strstr(buf, basedir) == buf)
+			start += strlen(basedir);
+	}
+
+	mlink = mandoc_calloc(1, sizeof(struct mlink));
+	mlink->dform = FORM_NONE;
+	if (strlcpy(mlink->file, start, sizeof(mlink->file)) >=
+	    sizeof(mlink->file)) {
+		say(start, "Filename too long");
+		free(mlink);
 		return;
 	}
-	start = buf + strlen(basedir);
-	sec = arch = name = dsec = NULL;
-	dform = FORM_NONE;
+
+	/*
+	 * In test mode or when the original name is absolute
+	 * but outside our tree, guess the base directory.
+	 */
+
+	if (op == OP_TEST || (start == buf && *start == '/')) {
+		if (strncmp(buf, "man/", 4) == 0)
+			start = buf + 4;
+		else if ((start = strstr(buf, "/man/")) != NULL)
+			start += 5;
+		else
+			start = buf;
+	}
 
 	/*
 	 * First try to guess our directory structure.
@@ -715,19 +893,19 @@ filescan(const char *file)
 	if (NULL != (p = strchr(start, '/'))) {
 		*p++ = '\0';
 		if (0 == strncmp(start, "man", 3)) {
-			dform = FORM_SRC;
-			dsec = start + 3;
+			mlink->dform = FORM_SRC;
+			mlink->dsec = start + 3;
 		} else if (0 == strncmp(start, "cat", 3)) {
-			dform = FORM_CAT;
-			dsec = start + 3;
+			mlink->dform = FORM_CAT;
+			mlink->dsec = start + 3;
 		}
 
 		start = p;
-		if (NULL != dsec && NULL != (p = strchr(start, '/'))) {
+		if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
 			*p++ = '\0';
-			arch = start;
+			mlink->arch = start;
 			start = p;
-		} 
+		}
 	}
 
 	/*
@@ -740,373 +918,387 @@ filescan(const char *file)
 
 	if ('.' == *p) {
 		*p++ = '\0';
-		sec = p;
+		mlink->fsec = p;
 	}
 
 	/*
 	 * Now try to parse the name.
 	 * Use the filename portion of the path.
 	 */
-	name = start;
+	mlink->name = start;
 	if (NULL != (p = strrchr(start, '/'))) {
-		name = p + 1;
+		mlink->name = p + 1;
 		*p = '\0';
-	} 
-
-	ofadd(dform, file, name, dsec, sec, arch, &st);
+	}
+	mlink_add(mlink, &st);
 }
 
-/*
- * See fileadd(). 
- */
-static int
-filecheck(const char *name)
+static void
+mlink_add(struct mlink *mlink, const struct stat *st)
 {
+	struct inodev	 inodev;
+	struct mpage	*mpage;
+	unsigned int	 slot;
+
+	assert(NULL != mlink->file);
+
+	mlink->dsec = mandoc_strdup(mlink->dsec ? mlink->dsec : "");
+	mlink->arch = mandoc_strdup(mlink->arch ? mlink->arch : "");
+	mlink->name = mandoc_strdup(mlink->name ? mlink->name : "");
+	mlink->fsec = mandoc_strdup(mlink->fsec ? mlink->fsec : "");
 
-	return(NULL != ohash_find(&filenames,
-			ohash_qlookup(&filenames, name)));
+	if ('0' == *mlink->fsec) {
+		free(mlink->fsec);
+		mlink->fsec = mandoc_strdup(mlink->dsec);
+		mlink->fform = FORM_CAT;
+	} else if ('1' <= *mlink->fsec && '9' >= *mlink->fsec)
+		mlink->fform = FORM_SRC;
+	else
+		mlink->fform = FORM_NONE;
+
+	slot = ohash_qlookup(&mlinks, mlink->file);
+	assert(NULL == ohash_find(&mlinks, slot));
+	ohash_insert(&mlinks, slot, mlink);
+
+	memset(&inodev, 0, sizeof(inodev));  /* Clear padding. */
+	inodev.st_ino = st->st_ino;
+	inodev.st_dev = st->st_dev;
+	slot = ohash_lookup_memory(&mpages, (char *)&inodev,
+	    sizeof(struct inodev), inodev.st_ino);
+	mpage = ohash_find(&mpages, slot);
+	if (NULL == mpage) {
+		mpage = mandoc_calloc(1, sizeof(struct mpage));
+		mpage->inodev.st_ino = inodev.st_ino;
+		mpage->inodev.st_dev = inodev.st_dev;
+		mpage->form = FORM_NONE;
+		mpage->next = mpage_head;
+		mpage_head = mpage;
+		ohash_insert(&mpages, slot, mpage);
+	} else
+		mlink->next = mpage->mlinks;
+	mpage->mlinks = mlink;
+	mlink->mpage = mpage;
 }
 
-/*
- * Use the standard hashing mechanism (K&R) to see if the given filename
- * already exists.
- */
 static void
-fileadd(struct of *of)
+mlink_free(struct mlink *mlink)
 {
-	unsigned int	 slot;
 
-	slot = ohash_qlookup(&filenames, of->file);
-	assert(NULL == ohash_find(&filenames, slot));
-	ohash_insert(&filenames, slot, of);
+	free(mlink->dsec);
+	free(mlink->arch);
+	free(mlink->name);
+	free(mlink->fsec);
+	free(mlink);
 }
 
-/*
- * See inoadd().
- */
-static int
-inocheck(const struct stat *st)
+static void
+mpages_free(void)
 {
-	struct id	 id;
-	uint32_t	 hash;
+	struct mpage	*mpage;
+	struct mlink	*mlink;
 
-	memset(&id, 0, sizeof(id));
-	id.ino = hash = st->st_ino;
-	id.dev = st->st_dev;
-
-	return(NULL != ohash_find(&inos, ohash_lookup_memory(
-			&inos, (char *)&id, sizeof(id), hash)));
+	while ((mpage = mpage_head) != NULL) {
+		while ((mlink = mpage->mlinks) != NULL) {
+			mpage->mlinks = mlink->next;
+			mlink_free(mlink);
+		}
+		mpage_head = mpage->next;
+		free(mpage->sec);
+		free(mpage->arch);
+		free(mpage->title);
+		free(mpage->desc);
+		free(mpage);
+	}
 }
 
 /*
- * The hashing function used here is quite simple: simply take the inode
- * and use uint32_t of its bits.
- * Then when we do the lookup, use both the inode and device identifier.
+ * For each mlink to the mpage, check whether the path looks like
+ * it is formatted, and if it does, check whether a source manual
+ * exists by the same name, ignoring the suffix.
+ * If both conditions hold, drop the mlink.
  */
 static void
-inoadd(const struct stat *st, struct of *of)
+mlinks_undupe(struct mpage *mpage)
 {
-	uint32_t	 hash;
-	unsigned int	 slot;
-
-	of->id.ino = hash = st->st_ino;
-	of->id.dev = st->st_dev;
-	slot = ohash_lookup_memory
-		(&inos, (char *)&of->id, sizeof(of->id), hash);
-
-	assert(NULL == ohash_find(&inos, slot));
-	ohash_insert(&inos, slot, of);
+	char		  buf[PATH_MAX];
+	struct mlink	**prev;
+	struct mlink	 *mlink;
+	char		 *bufp;
+
+	mpage->form = FORM_CAT;
+	prev = &mpage->mlinks;
+	while (NULL != (mlink = *prev)) {
+		if (FORM_CAT != mlink->dform) {
+			mpage->form = FORM_NONE;
+			goto nextlink;
+		}
+		(void)strlcpy(buf, mlink->file, sizeof(buf));
+		bufp = strstr(buf, "cat");
+		assert(NULL != bufp);
+		memcpy(bufp, "man", 3);
+		if (NULL != (bufp = strrchr(buf, '.')))
+			*++bufp = '\0';
+		(void)strlcat(buf, mlink->dsec, sizeof(buf));
+		if (NULL == ohash_find(&mlinks,
+		    ohash_qlookup(&mlinks, buf)))
+			goto nextlink;
+		if (warnings)
+			say(mlink->file, "Man source exists: %s", buf);
+		if (use_all)
+			goto nextlink;
+		*prev = mlink->next;
+		mlink_free(mlink);
+		continue;
+nextlink:
+		prev = &(*prev)->next;
+	}
 }
 
 static void
-ofadd(int dform, const char *file, const char *name, const char *dsec,
-	const char *sec, const char *arch, const struct stat *st)
+mlink_check(struct mpage *mpage, struct mlink *mlink)
 {
-	struct of	*of;
-	int		 sform;
-
-	assert(NULL != file);
-
-	if (NULL == name)
-		name = "";
-	if (NULL == sec)
-		sec = "";
-	if (NULL == dsec)
-		dsec = "";
-	if (NULL == arch)
-		arch = "";
-
-	if ('0' == *sec) {
-		sec = dsec;
-		sform = FORM_CAT;
-	} else if ('1' <= *sec && '9' >= *sec)
-		sform = FORM_SRC;
-	else
-		sform = FORM_NONE;
-
-	of = mandoc_calloc(1, sizeof(struct of));
-	strlcpy(of->file, file, PATH_MAX);
-	of->name = mandoc_strdup(name);
-	of->sec = mandoc_strdup(sec);
-	of->dsec = mandoc_strdup(dsec);
-	of->arch = mandoc_strdup(arch);
-	of->sform = sform;
-	of->dform = dform;
-	of->next = ofs;
-	ofs = of;
+	struct str	*str;
+	unsigned int	 slot;
 
 	/*
-	 * Add to unique identifier hash.
-	 * Then if it's a source manual and we're going to use source in
-	 * favour of catpages, add it to that hash.
+	 * Check whether the manual section given in a file
+	 * agrees with the directory where the file is located.
+	 * Some manuals have suffixes like (3p) on their
+	 * section number either inside the file or in the
+	 * directory name, some are linked into more than one
+	 * section, like encrypt(1) = makekey(8).
 	 */
-	inoadd(st, of);
-	fileadd(of);
-}
 
-static void
-offree(void)
-{
-	struct of	*of;
-
-	while (NULL != (of = ofs)) {
-		ofs = of->next;
-		free(of->name);
-		free(of->sec);
-		free(of->dsec);
-		free(of->arch);
-		free(of);
-	}
+	if (FORM_SRC == mpage->form &&
+	    strcasecmp(mpage->sec, mlink->dsec))
+		say(mlink->file, "Section \"%s\" manual in %s directory",
+		    mpage->sec, mlink->dsec);
+
+	/*
+	 * Manual page directories exist for each kernel
+	 * architecture as returned by machine(1).
+	 * However, many manuals only depend on the
+	 * application architecture as returned by arch(1).
+	 * For example, some (2/ARM) manuals are shared
+	 * across the "armish" and "zaurus" kernel
+	 * architectures.
+	 * A few manuals are even shared across completely
+	 * different architectures, for example fdformat(1)
+	 * on amd64, i386, and sparc64.
+	 */
+
+	if (strcasecmp(mpage->arch, mlink->arch))
+		say(mlink->file, "Architecture \"%s\" manual in "
+		    "\"%s\" directory", mpage->arch, mlink->arch);
+
+	/*
+	 * XXX
+	 * parse_cat() doesn't set NAME_TITLE yet.
+	 */
+
+	if (FORM_CAT == mpage->form)
+		return;
+
+	/*
+	 * Check whether this mlink
+	 * appears as a name in the NAME section.
+	 */
+
+	slot = ohash_qlookup(&names, mlink->name);
+	str = ohash_find(&names, slot);
+	assert(NULL != str);
+	if ( ! (NAME_TITLE & str->mask))
+		say(mlink->file, "Name missing in NAME section");
 }
 
 /*
- * Run through the files in the global vector "ofs" and add them to the
- * database specified in "basedir".
+ * Run through the files in the global vector "mpages"
+ * and add them to the database specified in "basedir".
  *
  * This handles the parsing scheme itself, using the cues of directory
  * and filename to determine whether the file is parsable or not.
  */
 static void
-ofmerge(struct mchars *mc, struct mparse *mp, int check_reachable)
+mpages_merge(struct dba *dba, struct mparse *mp)
 {
-	struct ohash		 title_table;
-	struct ohash_info	 title_info, str_info;
-	char			 buf[PATH_MAX];
-	struct of		*of;
-	struct mdoc		*mdoc;
-	struct man		*man;
-	struct title		*title_entry;
-	char			*bufp, *title_str;
-	const char		*msec, *march, *mtitle, *cp;
-	size_t			 sz;
-	int			 form;
-	int			 match;
-	unsigned int		 slot;
-	enum mandoclevel	 lvl;
-
-	str_info.alloc = hash_alloc;
-	str_info.halloc = hash_halloc;
-	str_info.hfree = hash_free;
-	str_info.key_offset = offsetof(struct str, key);
-
-	if (check_reachable) {
-		title_info.alloc = hash_alloc;
-		title_info.halloc = hash_halloc;
-		title_info.hfree = hash_free;
-		title_info.key_offset = offsetof(struct title, title);
-		ohash_init(&title_table, 6, &title_info);
-	}
-
-	for (of = ofs; NULL != of; of = of->next) {
-		/*
-		 * If we're a catpage (as defined by our path), then see
-		 * if a manpage exists by the same name (ignoring the
-		 * suffix).
-		 * If it does, then we want to use it instead of our
-		 * own.
-		 */
-		if ( ! use_all && FORM_CAT == of->dform) {
-			sz = strlcpy(buf, of->file, PATH_MAX);
-			if (sz >= PATH_MAX) {
-				if (warnings)
-					say(of->file, "Filename too long");
-				continue;
-			}
-			bufp = strstr(buf, "cat");
-			assert(NULL != bufp);
-			memcpy(bufp, "man", 3);
-			if (NULL != (bufp = strrchr(buf, '.')))
-				*++bufp = '\0';
-			strlcat(buf, of->dsec, PATH_MAX);
-			if (filecheck(buf)) {
-				if (warnings)
-					say(of->file, "Man "
-					    "source exists: %s", buf);
-				continue;
-			}
-		}
+	struct mpage		*mpage, *mpage_dest;
+	struct mlink		*mlink, *mlink_dest;
+	struct roff_man		*man;
+	char			*sodest;
+	char			*cp;
+	int			 fd;
+
+	for (mpage = mpage_head; mpage != NULL; mpage = mpage->next) {
+		mlinks_undupe(mpage);
+		if ((mlink = mpage->mlinks) == NULL)
+			continue;
 
-		ohash_init(&strings, 6, &str_info);
+		name_mask = NAME_MASK;
+		mandoc_ohash_init(&names, 4, offsetof(struct str, key));
+		mandoc_ohash_init(&strings, 6, offsetof(struct str, key));
 		mparse_reset(mp);
-		mdoc = NULL;
 		man = NULL;
-		match = 1;
+		sodest = NULL;
+
+		if ((fd = mparse_open(mp, mlink->file)) == -1) {
+			say(mlink->file, "&open");
+			goto nextpage;
+		}
 
 		/*
-		 * Try interpreting the file as mdoc(7) or man(7)
-		 * source code, unless it is already known to be
-		 * formatted.  Fall back to formatted mode.
+		 * Interpret the file as mdoc(7) or man(7) source
+		 * code, unless it is known to be formatted.
 		 */
-		if (FORM_CAT != of->dform || FORM_CAT != of->sform) {
-			lvl = mparse_readfd(mp, -1, of->file);
-			if (lvl < MANDOCLEVEL_FATAL)
-				mparse_result(mp, &mdoc, &man);
+		if (mlink->dform != FORM_CAT || mlink->fform != FORM_CAT) {
+			mparse_readfd(mp, fd, mlink->file);
+			close(fd);
+			fd = -1;
+			mparse_result(mp, &man, &sodest);
 		}
 
-		if (NULL != mdoc) {
-			form = 1;
-			msec = mdoc_meta(mdoc)->msec;
-			march = mdoc_meta(mdoc)->arch;
-			mtitle = mdoc_meta(mdoc)->title;
-		} else if (NULL != man) {
-			form = 1;
-			msec = man_meta(man)->msec;
-			march = of->arch;
-			mtitle = man_meta(man)->title;
-		} else {
-			form = 0;
-			msec = of->dsec;
-			march = of->arch;
-			mtitle = of->name;
-		}
+		if (sodest != NULL) {
+			mlink_dest = ohash_find(&mlinks,
+			    ohash_qlookup(&mlinks, sodest));
+			if (mlink_dest == NULL) {
+				mandoc_asprintf(&cp, "%s.gz", sodest);
+				mlink_dest = ohash_find(&mlinks,
+				    ohash_qlookup(&mlinks, cp));
+				free(cp);
+			}
+			if (mlink_dest != NULL) {
 
-		if (NULL == msec)
-			msec = "";
-		if (NULL == march)
-			march = "";
-		if (NULL == mtitle)
-			mtitle = "";
+				/* The .so target exists. */
 
-		/*
-		 * Check whether the manual section given in a file
-		 * agrees with the directory where the file is located.
-		 * Some manuals have suffixes like (3p) on their
-		 * section number either inside the file or in the
-		 * directory name, some are linked into more than one
-		 * section, like encrypt(1) = makekey(8).  Do not skip
-		 * manuals for such reasons.
-		 */
-		if (warnings && !use_all && form &&
-				strcasecmp(msec, of->dsec)) {
-			match = 0;
-			say(of->file, "Section \"%s\" "
-				"manual in %s directory", 
-				msec, of->dsec);
-		}
+				mpage_dest = mlink_dest->mpage;
+				while (1) {
+					mlink->mpage = mpage_dest;
 
-		/*
-		 * Manual page directories exist for each kernel
-		 * architecture as returned by machine(1).
-		 * However, many manuals only depend on the
-		 * application architecture as returned by arch(1).
-		 * For example, some (2/ARM) manuals are shared
-		 * across the "armish" and "zaurus" kernel
-		 * architectures.
-		 * A few manuals are even shared across completely
-		 * different architectures, for example fdformat(1)
-		 * on amd64, i386, sparc, and sparc64.
-		 * Thus, warn about architecture mismatches,
-		 * but don't skip manuals for this reason.
-		 */
-		if (warnings && !use_all && strcasecmp(march, of->arch)) {
-			match = 0;
-			say(of->file, "Architecture \"%s\" "
-				"manual in \"%s\" directory",
-				march, of->arch);
-		}
-		if (warnings && !use_all && strcasecmp(mtitle, of->name))
-			match = 0;
-
-		putkey(of, of->name, TYPE_Nm);
-
-		if (NULL != mdoc) {
-			if (NULL != (cp = mdoc_meta(mdoc)->name))
-				putkey(of, cp, TYPE_Nm);
-			assert(NULL == of->desc);
-			parse_mdoc(of, mdoc_node(mdoc));
-			putkey(of, NULL != of->desc ?
-				of->desc : of->name, TYPE_Nd);
-		} else if (NULL != man)
-			parse_man(of, man_node(man));
-		else
-			parse_catpage(of);
+					/*
+					 * If the target was already
+					 * processed, add the links
+					 * to the database now.
+					 * Otherwise, this will
+					 * happen when we come
+					 * to the target.
+					 */
 
-		/*
-		 * Build a title string for the file.  If it matches
-		 * the location of the file, remember the title as
-		 * found; else, remember it as missing.
-		 */
+					if (mpage_dest->dba != NULL)
+						dbadd_mlink(mlink);
 
-		if (check_reachable) {
-			if (-1 == asprintf(&title_str, "%s(%s%s%s)", mtitle,
-			    msec, '\0' == *march ? "" : "/", march)) {
-				perror(NULL);
-				exit((int)MANDOCLEVEL_SYSERR);
-			}
-			slot = ohash_qlookup(&title_table, title_str);
-			title_entry = ohash_find(&title_table, slot);
-			if (NULL == title_entry) {
-				title_entry = mandoc_malloc(
-						sizeof(struct title));
-				title_entry->title = title_str;
-				title_entry->file = mandoc_strdup(
-				    match ? "" : of->file);
-				ohash_insert(&title_table, slot,
-						title_entry);
-			} else {
-				if (match)
-					*title_entry->file = '\0';
-				free(title_str);
+					if (mlink->next == NULL)
+						break;
+					mlink = mlink->next;
+				}
+
+				/* Move all links to the target. */
+
+				mlink->next = mlink_dest->next;
+				mlink_dest->next = mpage->mlinks;
+				mpage->mlinks = NULL;
 			}
+			goto nextpage;
+		} else if (man != NULL && man->macroset == MACROSET_MDOC) {
+			mdoc_validate(man);
+			mpage->form = FORM_SRC;
+			mpage->sec = man->meta.msec;
+			mpage->sec = mandoc_strdup(
+			    mpage->sec == NULL ? "" : mpage->sec);
+			mpage->arch = man->meta.arch;
+			mpage->arch = mandoc_strdup(
+			    mpage->arch == NULL ? "" : mpage->arch);
+			mpage->title = mandoc_strdup(man->meta.title);
+		} else if (man != NULL && man->macroset == MACROSET_MAN) {
+			man_validate(man);
+			if (*man->meta.msec != '\0' ||
+			    *man->meta.title != '\0') {
+				mpage->form = FORM_SRC;
+				mpage->sec = mandoc_strdup(man->meta.msec);
+				mpage->arch = mandoc_strdup(mlink->arch);
+				mpage->title = mandoc_strdup(man->meta.title);
+			} else
+				man = NULL;
 		}
 
-		dbindex(mc, form, of);
-		ohash_delete(&strings);
-	}
+		assert(mpage->desc == NULL);
+		if (man == NULL) {
+			mpage->form = FORM_CAT;
+			mpage->sec = mandoc_strdup(mlink->dsec);
+			mpage->arch = mandoc_strdup(mlink->arch);
+			mpage->title = mandoc_strdup(mlink->name);
+			parse_cat(mpage, fd);
+		} else if (man->macroset == MACROSET_MDOC)
+			parse_mdoc(mpage, &man->meta, man->first);
+		else
+			parse_man(mpage, &man->meta, man->first);
+		if (mpage->desc == NULL) {
+			mpage->desc = mandoc_strdup(mlink->name);
+			if (warnings)
+				say(mlink->file, "No one-line description, "
+				    "using filename \"%s\"", mlink->name);
+		}
 
-	if (check_reachable) {
-		title_entry = ohash_first(&title_table, &slot);
-		while (NULL != title_entry) {
-			if ('\0' != *title_entry->file)
-				say(title_entry->file,
-			    	    "Probably unreachable, title is %s",
-				    title_entry->title);
-			free(title_entry->title);
-			free(title_entry->file);
-			free(title_entry);
-			title_entry = ohash_next(&title_table, &slot);
+		for (mlink = mpage->mlinks;
+		     mlink != NULL;
+		     mlink = mlink->next) {
+			putkey(mpage, mlink->name, NAME_FILE);
+			if (warnings && !use_all)
+				mlink_check(mpage, mlink);
 		}
-		ohash_delete(&title_table);
+
+		dbadd(dba, mpage);
+
+nextpage:
+		ohash_delete(&strings);
+		ohash_delete(&names);
 	}
 }
 
 static void
-parse_catpage(struct of *of)
+parse_cat(struct mpage *mpage, int fd)
 {
 	FILE		*stream;
-	char		*line, *p, *title;
-	size_t		 len, plen, titlesz;
-
-	if (NULL == (stream = fopen(of->file, "r"))) {
+	struct mlink	*mlink;
+	char		*line, *p, *title, *sec;
+	size_t		 linesz, plen, titlesz;
+	ssize_t		 len;
+	int		 offs;
+
+	mlink = mpage->mlinks;
+	stream = fd == -1 ? fopen(mlink->file, "r") : fdopen(fd, "r");
+	if (stream == NULL) {
+		if (fd != -1)
+			close(fd);
 		if (warnings)
-			say(of->file, NULL);
+			say(mlink->file, "&fopen");
 		return;
 	}
 
+	line = NULL;
+	linesz = 0;
+
+	/* Parse the section number from the header line. */
+
+	while (getline(&line, &linesz, stream) != -1) {
+		if (*line == '\n')
+			continue;
+		if ((sec = strchr(line, '(')) == NULL)
+			break;
+		if ((p = strchr(++sec, ')')) == NULL)
+			break;
+		free(mpage->sec);
+		mpage->sec = mandoc_strndup(sec, p - sec);
+		if (warnings && *mlink->dsec != '\0' &&
+		    strcasecmp(mpage->sec, mlink->dsec))
+			say(mlink->file,
+			    "Section \"%s\" manual in %s directory",
+			    mpage->sec, mlink->dsec);
+		break;
+	}
+
 	/* Skip to first blank line. */
 
-	while (NULL != (line = fgetln(stream, &len)))
-		if ('\n' == *line)
+	while (line == NULL || *line != '\n')
+		if (getline(&line, &linesz, stream) == -1)
 			break;
 
 	/*
@@ -1114,10 +1306,10 @@ parse_catpage(struct of *of)
 	 * is the first section header.  Skip to it.
 	 */
 
-	while (NULL != (line = fgetln(stream, &len)))
-		if ('\n' != *line && ' ' != *line)
+	while (getline(&line, &linesz, stream) != -1)
+		if (*line != '\n' && *line != ' ')
 			break;
-	
+
 	/*
 	 * Read up until the next section into a buffer.
 	 * Strip the leading and trailing newline from each read line,
@@ -1128,20 +1320,20 @@ parse_catpage(struct of *of)
 	titlesz = 0;
 	title = NULL;
 
-	while (NULL != (line = fgetln(stream, &len))) {
-		if (' ' != *line || '\n' != line[len - 1])
+	while ((len = getline(&line, &linesz, stream)) != -1) {
+		if (*line != ' ')
 			break;
-		while (len > 0 && isspace((unsigned char)*line)) {
-			line++;
-			len--;
-		}
-		if (1 == len)
+		offs = 0;
+		while (isspace((unsigned char)line[offs]))
+			offs++;
+		if (line[offs] == '\0')
 			continue;
-		title = mandoc_realloc(title, titlesz + len);
-		memcpy(title + titlesz, line, len);
-		titlesz += len;
+		title = mandoc_realloc(title, titlesz + len - offs);
+		memcpy(title + titlesz, line + offs, len - offs);
+		titlesz += len - offs;
 		title[titlesz - 1] = ' ';
 	}
+	free(line);
 
 	/*
 	 * If no page content can be found, or the input line
@@ -1152,17 +1344,13 @@ parse_catpage(struct of *of)
 
 	if (NULL == title || '\0' == *title) {
 		if (warnings)
-			say(of->file, "Cannot find NAME section");
-		assert(NULL == of->desc);
-		of->desc = mandoc_strdup(of->name);
-		putkey(of, of->name, TYPE_Nd);
+			say(mlink->file, "Cannot find NAME section");
 		fclose(stream);
 		free(title);
 		return;
 	}
 
-	title = mandoc_realloc(title, titlesz + 1);
-	title[titlesz] = '\0';
+	title[titlesz - 1] = '\0';
 
 	/*
 	 * Skip to the first dash.
@@ -1175,7 +1363,8 @@ parse_catpage(struct of *of)
 			/* Skip to next word. */ ;
 	} else {
 		if (warnings)
-			say(of->file, "No dash in title line");
+			say(mlink->file, "No dash in title line, "
+			    "reusing \"%s\" as one-line description", title);
 		p = title;
 	}
 
@@ -1188,14 +1377,12 @@ parse_catpage(struct of *of)
 		if (0 == len) {
 			memmove(line, line + 1, plen--);
 			continue;
-		} 
+		}
 		memmove(line - 1, line + 1, plen - len);
 		plen -= 2;
 	}
 
-	assert(NULL == of->desc);
-	of->desc = mandoc_strdup(p);
-	putkey(of, of->desc, TYPE_Nd);
+	mpage->desc = mandoc_strdup(p);
 	fclose(stream);
 	free(title);
 }
@@ -1204,37 +1391,39 @@ parse_catpage(struct of *of)
  * Put a type/word pair into the word database for this particular file.
  */
 static void
-putkey(const struct of *of, const char *value, uint64_t type)
+putkey(const struct mpage *mpage, char *value, uint64_t type)
 {
-
-	assert(NULL != value);
-	putkeys(of, value, strlen(value), type);
+	putkeys(mpage, value, strlen(value), type);
 }
 
 /*
  * Grok all nodes at or below a certain mdoc node into putkey().
  */
 static void
-putmdockey(const struct of *of, const struct mdoc_node *n, uint64_t m)
+putmdockey(const struct mpage *mpage,
+	const struct roff_node *n, uint64_t m, int taboo)
 {
 
 	for ( ; NULL != n; n = n->next) {
+		if (n->flags & taboo)
+			continue;
 		if (NULL != n->child)
-			putmdockey(of, n->child, m);
-		if (MDOC_TEXT == n->type)
-			putkey(of, n->string, m);
+			putmdockey(mpage, n->child, m, taboo);
+		if (n->type == ROFFT_TEXT)
+			putkey(mpage, n->string, m);
 	}
 }
 
 static void
-parse_man(struct of *of, const struct man_node *n)
+parse_man(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
-	const struct man_node *head, *body;
-	char		*start, *sv, *title;
+	const struct roff_node *head, *body;
+	char		*start, *title;
 	char		 byte;
-	size_t		 sz, titlesz;
+	size_t		 sz;
 
-	if (NULL == n)
+	if (n == NULL)
 		return;
 
 	/*
@@ -1244,19 +1433,14 @@ parse_man(struct of *of, const struct man_node *n)
 	 * the correct section or not.
 	 */
 
-	if (MAN_BODY == n->type && MAN_SH == n->tok) {
+	if (n->type == ROFFT_BODY && n->tok == MAN_SH) {
 		body = n;
-		assert(body->parent);
-		if (NULL != (head = body->parent->head) &&
-				1 == head->nchild &&
-				NULL != (head = (head->child)) &&
-				MAN_TEXT == head->type &&
-				0 == strcmp(head->string, "NAME") &&
-				NULL != (body = body->child) &&
-				MAN_TEXT == body->type) {
-
-			title = NULL;
-			titlesz = 0;
+		if ((head = body->parent->head) != NULL &&
+		    (head = head->child) != NULL &&
+		    head->next == NULL &&
+		    head->type == ROFFT_TEXT &&
+		    strcmp(head->string, "NAME") == 0 &&
+		    body->child != NULL) {
 
 			/*
 			 * Suck the entire NAME section into memory.
@@ -1265,48 +1449,12 @@ parse_man(struct of *of, const struct man_node *n)
 			 * NAME sections over many lines.
 			 */
 
-			for ( ; NULL != body; body = body->next) {
-				if (MAN_TEXT != body->type)
-					break;
-				if (0 == (sz = strlen(body->string)))
-					continue;
-				title = mandoc_realloc
-					(title, titlesz + sz + 1);
-				memcpy(title + titlesz, body->string, sz);
-				titlesz += sz + 1;
-				title[titlesz - 1] = ' ';
-			}
+			title = NULL;
+			deroff(&title, body);
 			if (NULL == title)
 				return;
 
-			title = mandoc_realloc(title, titlesz + 1);
-			title[titlesz] = '\0';
-
-			/* Skip leading space.  */
-
-			sv = title;
-			while (isspace((unsigned char)*sv))
-				sv++;
-
-			if (0 == (sz = strlen(sv))) {
-				free(title);
-				return;
-			}
-
-			/* Erase trailing space. */
-
-			start = &sv[sz - 1];
-			while (start > sv && isspace((unsigned char)*start))
-				*start-- = '\0';
-
-			if (start == sv) {
-				free(title);
-				return;
-			}
-
-			start = sv;
-
-			/* 
+			/*
 			 * Go through a special heuristic dance here.
 			 * Conventionally, one or more manual names are
 			 * comma-specified prior to a whitespace, then a
@@ -1314,6 +1462,7 @@ parse_man(struct of *of, const struct man_node *n)
 			 * the name parts here.
 			 */
 
+			start = title;
 			for ( ;; ) {
 				sz = strcspn(start, " ,");
 				if ('\0' == start[sz])
@@ -1322,7 +1471,21 @@ parse_man(struct of *of, const struct man_node *n)
 				byte = start[sz];
 				start[sz] = '\0';
 
-				putkey(of, start, TYPE_Nm);
+				/*
+				 * Assume a stray trailing comma in the
+				 * name list if a name begins with a dash.
+				 */
+
+				if ('-' == start[0] ||
+				    ('\\' == start[0] && '-' == start[1]))
+					break;
+
+				putkey(mpage, start, NAME_TITLE);
+				if ( ! (mpage->name_head_done ||
+				    strcasecmp(start, meta->title))) {
+					putkey(mpage, start, NAME_HEAD);
+					mpage->name_head_done = 1;
+				}
 
 				if (' ' == byte) {
 					start += sz + 1;
@@ -1335,8 +1498,13 @@ parse_man(struct of *of, const struct man_node *n)
 					start++;
 			}
 
-			if (sv == start) {
-				putkey(of, start, TYPE_Nm);
+			if (start == title) {
+				putkey(mpage, start, NAME_TITLE);
+				if ( ! (mpage->name_head_done ||
+				    strcasecmp(start, meta->title))) {
+					putkey(mpage, start, NAME_HEAD);
+					mpage->name_head_done = 1;
+				}
 				free(title);
 				return;
 			}
@@ -1358,62 +1526,62 @@ parse_man(struct of *of, const struct man_node *n)
 			while (' ' == *start)
 				start++;
 
-			assert(NULL == of->desc);
-			of->desc = mandoc_strdup(start);
-			putkey(of, of->desc, TYPE_Nd);
+			mpage->desc = mandoc_strdup(start);
 			free(title);
 			return;
 		}
 	}
 
 	for (n = n->child; n; n = n->next) {
-		if (NULL != of->desc)
+		if (NULL != mpage->desc)
 			break;
-		parse_man(of, n);
+		parse_man(mpage, meta, n);
 	}
 }
 
 static void
-parse_mdoc(struct of *of, const struct mdoc_node *n)
+parse_mdoc(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
 
-	assert(NULL != n);
-	for (n = n->child; NULL != n; n = n->next) {
+	for (n = n->child; n != NULL; n = n->next) {
+		if (n->tok == TOKEN_NONE ||
+		    n->tok < ROFF_MAX ||
+		    n->flags & mdocs[n->tok].taboo)
+			continue;
+		assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
 		switch (n->type) {
-		case (MDOC_ELEM):
-			/* FALLTHROUGH */
-		case (MDOC_BLOCK):
-			/* FALLTHROUGH */
-		case (MDOC_HEAD):
-			/* FALLTHROUGH */
-		case (MDOC_BODY):
-			/* FALLTHROUGH */
-		case (MDOC_TAIL):
-			if (NULL != mdocs[n->tok].fp)
-			       if (0 == (*mdocs[n->tok].fp)(of, n))
-				       break;
+		case ROFFT_ELEM:
+		case ROFFT_BLOCK:
+		case ROFFT_HEAD:
+		case ROFFT_BODY:
+		case ROFFT_TAIL:
+			if (mdocs[n->tok].fp != NULL &&
+			    (*mdocs[n->tok].fp)(mpage, meta, n) == 0)
+				break;
 			if (mdocs[n->tok].mask)
-				putmdockey(of, n->child, mdocs[n->tok].mask);
+				putmdockey(mpage, n->child,
+				    mdocs[n->tok].mask, mdocs[n->tok].taboo);
 			break;
 		default:
-			assert(MDOC_ROOT != n->type);
 			continue;
 		}
 		if (NULL != n->child)
-			parse_mdoc(of, n);
+			parse_mdoc(mpage, meta, n);
 	}
 }
 
 static int
-parse_mdoc_Fd(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Fd(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
-	const char	*start, *end;
+	char		*start, *end;
 	size_t		 sz;
 
 	if (SEC_SYNOPSIS != n->sec ||
-			NULL == (n = n->child) || 
-			MDOC_TEXT != n->type)
-		return(0);
+	    NULL == (n = n->child) ||
+	    n->type != ROFFT_TEXT)
+		return 0;
 
 	/*
 	 * Only consider those `Fd' macro fields that begin with an
@@ -1421,10 +1589,10 @@ parse_mdoc_Fd(struct of *of, const struct mdoc_node *n)
 	 */
 
 	if (strcmp("#include", n->string))
-		return(0);
+		return 0;
 
-	if (NULL == (n = n->next) || MDOC_TEXT != n->type)
-		return(0);
+	if ((n = n->next) == NULL || n->type != ROFFT_TEXT)
+		return 0;
 
 	/*
 	 * Strip away the enclosing angle brackets and make sure we're
@@ -1436,155 +1604,160 @@ parse_mdoc_Fd(struct of *of, const struct mdoc_node *n)
 		start++;
 
 	if (0 == (sz = strlen(start)))
-		return(0);
+		return 0;
 
 	end = &start[(int)sz - 1];
 	if ('>' == *end || '"' == *end)
 		end--;
 
 	if (end > start)
-		putkeys(of, start, end - start + 1, TYPE_In);
-	return(1);
+		putkeys(mpage, start, end - start + 1, TYPE_In);
+	return 0;
 }
 
-static int
-parse_mdoc_In(struct of *of, const struct mdoc_node *n)
+static void
+parse_mdoc_fname(struct mpage *mpage, const struct roff_node *n)
 {
+	char	*cp;
+	size_t	 sz;
+
+	if (n->type != ROFFT_TEXT)
+		return;
 
-	if (NULL != n->child && MDOC_TEXT == n->child->type)
-		return(0);
+	/* Skip function pointer punctuation. */
 
-	putkey(of, n->child->string, TYPE_In);
-	return(1);
+	cp = n->string;
+	while (*cp == '(' || *cp == '*')
+		cp++;
+	sz = strcspn(cp, "()");
+
+	putkeys(mpage, cp, sz, TYPE_Fn);
+	if (n->sec == SEC_SYNOPSIS)
+		putkeys(mpage, cp, sz, NAME_SYN);
 }
 
 static int
-parse_mdoc_Fn(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Fn(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
-	const char	*cp;
 
-	if (NULL == (n = n->child) || MDOC_TEXT != n->type)
-		return(0);
+	if (n->child == NULL)
+		return 0;
 
-	/* 
-	 * Parse: .Fn "struct type *name" "char *arg".
-	 * First strip away pointer symbol. 
-	 * Then store the function name, then type.
-	 * Finally, store the arguments. 
-	 */
+	parse_mdoc_fname(mpage, n->child);
 
-	if (NULL == (cp = strrchr(n->string, ' ')))
-		cp = n->string;
+	for (n = n->child->next; n != NULL; n = n->next)
+		if (n->type == ROFFT_TEXT)
+			putkey(mpage, n->string, TYPE_Fa);
 
-	while ('*' == *cp)
-		cp++;
+	return 0;
+}
 
-	putkey(of, cp, TYPE_Fn);
+static int
+parse_mdoc_Fo(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
+{
 
-	if (n->string < cp)
-		putkeys(of, n->string, cp - n->string, TYPE_Ft);
+	if (n->type != ROFFT_HEAD)
+		return 1;
 
-	for (n = n->next; NULL != n; n = n->next)
-		if (MDOC_TEXT == n->type)
-			putkey(of, n->string, TYPE_Fa);
+	if (n->child != NULL)
+		parse_mdoc_fname(mpage, n->child);
 
-	return(0);
+	return 0;
 }
 
 static int
-parse_mdoc_St(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Va(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
+	char *cp;
+
+	if (n->type != ROFFT_ELEM && n->type != ROFFT_BODY)
+		return 0;
+
+	if (n->child != NULL &&
+	    n->child->next == NULL &&
+	    n->child->type == ROFFT_TEXT)
+		return 1;
+
+	cp = NULL;
+	deroff(&cp, n);
+	if (cp != NULL) {
+		putkey(mpage, cp, TYPE_Vt | (n->tok == MDOC_Va ||
+		    n->type == ROFFT_BODY ? TYPE_Va : 0));
+		free(cp);
+	}
 
-	if (NULL == n->child || MDOC_TEXT != n->child->type)
-		return(0);
-
-	putkey(of, n->child->string, TYPE_St);
-	return(1);
+	return 0;
 }
 
 static int
-parse_mdoc_Xr(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Xr(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
 	char	*cp;
 
 	if (NULL == (n = n->child))
-		return(0);
+		return 0;
 
 	if (NULL == n->next) {
-		putkey(of, n->string, TYPE_Xr);
-		return(0);
+		putkey(mpage, n->string, TYPE_Xr);
+		return 0;
 	}
 
-	if (-1 == asprintf(&cp, "%s(%s)", n->string, n->next->string)) {
-		perror(NULL);
-		exit((int)MANDOCLEVEL_SYSERR);
-	}
-	putkey(of, cp, TYPE_Xr);
+	mandoc_asprintf(&cp, "%s(%s)", n->string, n->next->string);
+	putkey(mpage, cp, TYPE_Xr);
 	free(cp);
-	return(0);
+	return 0;
 }
 
 static int
-parse_mdoc_Nd(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Nd(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
-	size_t		 sz;
 
-	if (MDOC_BODY != n->type)
-		return(0);
-
-	/*
-	 * Special-case the `Nd' because we need to put the description
-	 * into the document table.
-	 */
-
-	for (n = n->child; NULL != n; n = n->next) {
-		if (MDOC_TEXT == n->type) {
-			if (NULL != of->desc) {
-				sz = strlen(of->desc) +
-				     strlen(n->string) + 2;
-				of->desc = mandoc_realloc(of->desc, sz);
-				strlcat(of->desc, " ", sz);
-				strlcat(of->desc, n->string, sz);
-			} else
-				of->desc = mandoc_strdup(n->string);
-		}
-		if (NULL != n->child)
-			parse_mdoc_Nd(of, n);
-	}
-	return(1);
+	if (n->type == ROFFT_BODY)
+		deroff(&mpage->desc, n);
+	return 0;
 }
 
 static int
-parse_mdoc_Nm(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Nm(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
 
 	if (SEC_NAME == n->sec)
-		return(1);
-	else if (SEC_SYNOPSIS != n->sec || MDOC_HEAD != n->type)
-		return(0);
-
-	return(1);
-}
-
-static int
-parse_mdoc_Sh(struct of *of, const struct mdoc_node *n)
-{
-
-	return(SEC_CUSTOM == n->sec && MDOC_HEAD == n->type);
+		putmdockey(mpage, n->child, NAME_TITLE, 0);
+	else if (n->sec == SEC_SYNOPSIS && n->type == ROFFT_HEAD) {
+		if (n->child == NULL)
+			putkey(mpage, meta->name, NAME_SYN);
+		else
+			putmdockey(mpage, n->child, NAME_SYN, 0);
+	}
+	if ( ! (mpage->name_head_done ||
+	    n->child == NULL || n->child->string == NULL ||
+	    strcasecmp(n->child->string, meta->title))) {
+		putkey(mpage, n->child->string, NAME_HEAD);
+		mpage->name_head_done = 1;
+	}
+	return 0;
 }
 
 static int
-parse_mdoc_head(struct of *of, const struct mdoc_node *n)
+parse_mdoc_Sh(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
 
-	return(MDOC_HEAD == n->type);
+	return n->sec == SEC_CUSTOM && n->type == ROFFT_HEAD;
 }
 
 static int
-parse_mdoc_body(struct of *of, const struct mdoc_node *n)
+parse_mdoc_head(struct mpage *mpage, const struct roff_meta *meta,
+	const struct roff_node *n)
 {
 
-	return(MDOC_BODY == n->type);
+	return n->type == ROFFT_HEAD;
 }
 
 /*
@@ -1593,29 +1766,55 @@ parse_mdoc_body(struct of *of, const struct mdoc_node *n)
  * When we finish the manual, we'll dump the table.
  */
 static void
-putkeys(const struct of *of, const char *cp, size_t sz, uint64_t v)
+putkeys(const struct mpage *mpage, char *cp, size_t sz, uint64_t v)
 {
+	struct ohash	*htab;
 	struct str	*s;
-	unsigned int	 slot;
 	const char	*end;
+	unsigned int	 slot;
+	int		 i, mustfree;
 
 	if (0 == sz)
 		return;
 
+	mustfree = render_string(&cp, &sz);
+
+	if (TYPE_Nm & v) {
+		htab = &names;
+		v &= name_mask;
+		if (v & NAME_FIRST)
+			name_mask &= ~NAME_FIRST;
+		if (debug > 1)
+			say(mpage->mlinks->file,
+			    "Adding name %*s, bits=0x%llx", (int)sz, cp,
+			    (unsigned long long)v);
+	} else {
+		htab = &strings;
+		if (debug > 1)
+		    for (i = 0; i < KEY_MAX; i++)
+			if ((uint64_t)1 << i & v)
+			    say(mpage->mlinks->file,
+				"Adding key %s=%*s",
+				mansearch_keynames[i], (int)sz, cp);
+	}
+
 	end = cp + sz;
-	slot = ohash_qlookupi(&strings, cp, &end);
-	s = ohash_find(&strings, slot);
+	slot = ohash_qlookupi(htab, cp, &end);
+	s = ohash_find(htab, slot);
 
-	if (NULL != s && of == s->of) {
+	if (NULL != s && mpage == s->mpage) {
 		s->mask |= v;
 		return;
 	} else if (NULL == s) {
-		s = mandoc_calloc(sizeof(struct str) + sz + 1, 1);
+		s = mandoc_calloc(1, sizeof(struct str) + sz + 1);
 		memcpy(s->key, cp, sz);
-		ohash_insert(&strings, slot, s);
+		ohash_insert(htab, slot, s);
 	}
-	s->of = of;
+	s->mpage = mpage;
 	s->mask = v;
+
+	if (mustfree)
+		free(cp);
 }
 
 /*
@@ -1664,418 +1863,476 @@ utf8(unsigned int cp, char out[7])
 		out[4] = (cp >> 6  & 63) | 128;
 		out[5] = (cp       & 63) | 128;
 	} else
-		return(0);
+		return 0;
 
 	out[rc] = '\0';
-	return(rc);
+	return rc;
 }
 
 /*
- * Store the UTF-8 version of a key, or alias the pointer if the key has
- * no UTF-8 transcription marks in it.
+ * If the string contains escape sequences,
+ * replace it with an allocated rendering and return 1,
+ * such that the caller can free it after use.
+ * Otherwise, do nothing and return 0.
  */
-static void
-utf8key(struct mchars *mc, struct str *key)
+static int
+render_string(char **public, size_t *psz)
 {
-	size_t		 sz, bsz, pos;
-	char		 utfbuf[7], res[5];
-	char		*buf;
-	const char	*seq, *cpp, *val;
-	int		 len, u;
-	enum mandoc_esc	 esc;
-
-	assert(NULL == key->utf8);
+	const char	*src, *scp, *addcp, *seq;
+	char		*dst;
+	size_t		 ssz, dsz, addsz;
+	char		 utfbuf[7], res[6];
+	int		 seqlen, unicode;
 
 	res[0] = '\\';
 	res[1] = '\t';
 	res[2] = ASCII_NBRSP;
 	res[3] = ASCII_HYPH;
-	res[4] = '\0';
+	res[4] = ASCII_BREAK;
+	res[5] = '\0';
 
-	val = key->key;
-	bsz = strlen(val);
+	src = scp = *public;
+	ssz = *psz;
+	dst = NULL;
+	dsz = 0;
 
-	/*
-	 * Pre-check: if we have no stop-characters, then set the
-	 * pointer as ourselvse and get out of here.
-	 */
-	if (strcspn(val, res) == bsz) {
-		key->utf8 = key->key;
-		return;
-	} 
+	while (scp < src + *psz) {
 
-	/* Pre-allocate by the length of the input */
+		/* Leave normal characters unchanged. */
 
-	buf = mandoc_malloc(++bsz);
-	pos = 0;
+		if (strchr(res, *scp) == NULL) {
+			if (dst != NULL)
+				dst[dsz++] = *scp;
+			scp++;
+			continue;
+		}
 
-	while ('\0' != *val) {
 		/*
-		 * Halt on the first escape sequence.
-		 * This also halts on the end of string, in which case
-		 * we just copy, fallthrough, and exit the loop.
+		 * Found something that requires replacing,
+		 * make sure we have a destination buffer.
 		 */
-		if ((sz = strcspn(val, res)) > 0) {
-			memcpy(&buf[pos], val, sz);
-			pos += sz;
-			val += sz;
+
+		if (dst == NULL) {
+			dst = mandoc_malloc(ssz + 1);
+			dsz = scp - src;
+			memcpy(dst, src, dsz);
 		}
 
-		if (ASCII_HYPH == *val) {
-			buf[pos++] = '-';
-			val++;
+		/* Handle single-char special characters. */
+
+		switch (*scp) {
+		case '\\':
+			break;
+		case '\t':
+		case ASCII_NBRSP:
+			dst[dsz++] = ' ';
+			scp++;
 			continue;
-		} else if ('\t' == *val || ASCII_NBRSP == *val) {
-			buf[pos++] = ' ';
-			val++;
+		case ASCII_HYPH:
+			dst[dsz++] = '-';
+			/* FALLTHROUGH */
+		case ASCII_BREAK:
+			scp++;
 			continue;
-		} else if ('\\' != *val)
-			break;
-
-		/* Read past the slash. */
-
-		val++;
-		u = 0;
+		default:
+			abort();
+		}
 
 		/*
-		 * Parse the escape sequence and see if it's a
-		 * predefined character or special character.
+		 * Found an escape sequence.
+		 * Read past the slash, then parse it.
+		 * Ignore everything except characters.
 		 */
-		esc = mandoc_escape
-			((const char **)&val, &seq, &len);
-		if (ESCAPE_ERROR == esc)
-			break;
 
-		if (ESCAPE_SPECIAL != esc)
-			continue;
-		if (0 == (u = mchars_spec2cp(mc, seq, len)))
+		scp++;
+		if (mandoc_escape(&scp, &seq, &seqlen) != ESCAPE_SPECIAL)
 			continue;
 
 		/*
-		 * If we have a Unicode codepoint, try to convert that
-		 * to a UTF-8 byte string.
+		 * Render the special character
+		 * as either UTF-8 or ASCII.
 		 */
-		cpp = utfbuf;
-		if (0 == (sz = utf8(u, utfbuf)))
-			continue;
+
+		if (write_utf8) {
+			unicode = mchars_spec2cp(seq, seqlen);
+			if (unicode <= 0)
+				continue;
+			addsz = utf8(unicode, utfbuf);
+			if (addsz == 0)
+				continue;
+			addcp = utfbuf;
+		} else {
+			addcp = mchars_spec2str(seq, seqlen, &addsz);
+			if (addcp == NULL)
+				continue;
+			if (*addcp == ASCII_NBRSP) {
+				addcp = " ";
+				addsz = 1;
+			}
+		}
 
 		/* Copy the rendered glyph into the stream. */
 
-		sz = strlen(cpp);
-		bsz += sz;
+		ssz += addsz;
+		dst = mandoc_realloc(dst, ssz + 1);
+		memcpy(dst + dsz, addcp, addsz);
+		dsz += addsz;
+	}
+	if (dst != NULL) {
+		*public = dst;
+		*psz = dsz;
+	}
 
-		buf = mandoc_realloc(buf, bsz);
+	/* Trim trailing whitespace and NUL-terminate. */
 
-		memcpy(&buf[pos], cpp, sz);
-		pos += sz;
-	}
+	while (*psz > 0 && (*public)[*psz - 1] == ' ')
+		--*psz;
+	if (dst != NULL) {
+		(*public)[*psz] = '\0';
+		return 1;
+	} else
+		return 0;
+}
 
-	buf[pos] = '\0';
-	key->utf8 = buf;
+static void
+dbadd_mlink(const struct mlink *mlink)
+{
+	dba_page_alias(mlink->mpage->dba, mlink->name, NAME_FILE);
+	dba_page_add(mlink->mpage->dba, DBP_SECT, mlink->dsec);
+	dba_page_add(mlink->mpage->dba, DBP_SECT, mlink->fsec);
+	dba_page_add(mlink->mpage->dba, DBP_ARCH, mlink->arch);
+	dba_page_add(mlink->mpage->dba, DBP_FILE, mlink->file);
 }
 
 /*
  * Flush the current page's terms (and their bits) into the database.
- * Wrap the entire set of additions in a transaction to make sqlite be a
- * little faster.
- * Also, UTF-8-encode the description at the last possible moment.
+ * Also, handle escape sequences at the last possible moment.
  */
 static void
-dbindex(struct mchars *mc, int form, const struct of *of)
+dbadd(struct dba *dba, struct mpage *mpage)
 {
+	struct mlink	*mlink;
 	struct str	*key;
-	const char	*desc;
-	int64_t		 recno;
+	char		*cp;
+	uint64_t	 mask;
 	size_t		 i;
 	unsigned int	 slot;
-
-	if (verb)
-		say(of->file, "Adding to index");
-
-	if (nodb)
+	int		 mustfree;
+
+	mlink = mpage->mlinks;
+
+	if (nodb) {
+		for (key = ohash_first(&names, &slot); NULL != key;
+		     key = ohash_next(&names, &slot))
+			free(key);
+		for (key = ohash_first(&strings, &slot); NULL != key;
+		     key = ohash_next(&strings, &slot))
+			free(key);
+		if (0 == debug)
+			return;
+		while (NULL != mlink) {
+			fputs(mlink->name, stdout);
+			if (NULL == mlink->next ||
+			    strcmp(mlink->dsec, mlink->next->dsec) ||
+			    strcmp(mlink->fsec, mlink->next->fsec) ||
+			    strcmp(mlink->arch, mlink->next->arch)) {
+				putchar('(');
+				if ('\0' == *mlink->dsec)
+					fputs(mlink->fsec, stdout);
+				else
+					fputs(mlink->dsec, stdout);
+				if ('\0' != *mlink->arch)
+					printf("/%s", mlink->arch);
+				putchar(')');
+			}
+			mlink = mlink->next;
+			if (NULL != mlink)
+				fputs(", ", stdout);
+		}
+		printf(" - %s\n", mpage->desc);
 		return;
-
-	desc = "";
-	if (NULL != of->desc && '\0' != *of->desc) {
-		key = ohash_find(&strings,
-			ohash_qlookup(&strings, of->desc));
-		assert(NULL != key);
-		if (NULL == key->utf8)
-			utf8key(mc, key);
-		desc = key->utf8;
 	}
 
-	SQL_EXEC("BEGIN TRANSACTION");
-
-	i = 1;
-	SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->file);
-	SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->sec);
-	SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->arch);
-	SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, desc);
-	SQL_BIND_INT(stmts[STMT_INSERT_DOC], i, form);
-	SQL_STEP(stmts[STMT_INSERT_DOC]);
-	recno = sqlite3_last_insert_rowid(db);
-	sqlite3_reset(stmts[STMT_INSERT_DOC]);
+	if (debug)
+		say(mlink->file, "Adding to database");
+
+	cp = mpage->desc;
+	i = strlen(cp);
+	mustfree = render_string(&cp, &i);
+	mpage->dba = dba_page_new(dba->pages,
+	    *mpage->arch == '\0' ? mlink->arch : mpage->arch,
+	    cp, mlink->file, mpage->form);
+	if (mustfree)
+		free(cp);
+	dba_page_add(mpage->dba, DBP_SECT, mpage->sec);
+
+	while (mlink != NULL) {
+		dbadd_mlink(mlink);
+		mlink = mlink->next;
+	}
 
+	for (key = ohash_first(&names, &slot); NULL != key;
+	     key = ohash_next(&names, &slot)) {
+		assert(key->mpage == mpage);
+		dba_page_alias(mpage->dba, key->key, key->mask);
+		free(key);
+	}
 	for (key = ohash_first(&strings, &slot); NULL != key;
 	     key = ohash_next(&strings, &slot)) {
-		assert(key->of == of);
-		if (NULL == key->utf8)
-			utf8key(mc, key);
-		i = 1;
-		SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
-		SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->utf8);
-		SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, recno);
-		SQL_STEP(stmts[STMT_INSERT_KEY]);
-		sqlite3_reset(stmts[STMT_INSERT_KEY]);
-		if (key->utf8 != key->key)
-			free(key->utf8);
+		assert(key->mpage == mpage);
+		i = 0;
+		for (mask = TYPE_Xr; mask <= TYPE_Lb; mask *= 2) {
+			if (key->mask & mask)
+				dba_macro_add(dba->macros, i,
+				    key->key, mpage->dba);
+			i++;
+		}
 		free(key);
 	}
-
-	SQL_EXEC("END TRANSACTION");
 }
 
 static void
-dbprune(void)
+dbprune(struct dba *dba)
 {
-	struct of	*of;
-	size_t		 i;
-
-	if (nodb)
-		return;
-
-	for (of = ofs; NULL != of; of = of->next) {
-		i = 1;
-		SQL_BIND_TEXT(stmts[STMT_DELETE], i, of->file);
-		SQL_STEP(stmts[STMT_DELETE]);
-		sqlite3_reset(stmts[STMT_DELETE]);
-		if (verb)
-			say(of->file, "Deleted from index");
+	struct dba_array	*page, *files;
+	char			*file;
+
+	dba_array_FOREACH(dba->pages, page) {
+		files = dba_array_get(page, DBP_FILE);
+		dba_array_FOREACH(files, file) {
+			if (*file < ' ')
+				file++;
+			if (ohash_find(&mlinks, ohash_qlookup(&mlinks,
+			    file)) != NULL) {
+				if (debug)
+					say(file, "Deleting from database");
+				dba_array_del(dba->pages);
+				break;
+			}
+		}
 	}
 }
 
 /*
- * Close an existing database and its prepared statements.
- * If "real" is not set, rename the temporary file into the real one.
+ * Write the database from memory to disk.
  */
 static void
-dbclose(int real)
+dbwrite(struct dba *dba)
 {
-	size_t		 i;
-
-	if (nodb)
-		return;
-
-	for (i = 0; i < STMT__MAX; i++) {
-		sqlite3_finalize(stmts[i]);
-		stmts[i] = NULL;
-	}
+	char		 tfn[32];
+	int		 status;
+	pid_t		 child;
 
-	sqlite3_close(db);
-	db = NULL;
+	/*
+	 * Do not write empty databases, and delete existing ones
+	 * when makewhatis -u causes them to become empty.
+	 */
 
-	if (real)
+	dba_array_start(dba->pages);
+	if (dba_array_next(dba->pages) == NULL) {
+		if (unlink(MANDOC_DB) == -1)
+			say(MANDOC_DB, "&unlink");
 		return;
-
-	if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) {
-		exitcode = (int)MANDOCLEVEL_SYSERR;
-		say(MANDOC_DB, NULL);
 	}
-}
 
-/*
- * This is straightforward stuff.
- * Open a database connection to a "temporary" database, then open a set
- * of prepared statements we'll use over and over again.
- * If "real" is set, we use the existing database; if not, we truncate a
- * temporary one.
- * Must be matched by dbclose().
- */
-static int
-dbopen(int real)
-{
-	const char	*file, *sql;
-	int		 rc, ofl;
-
-	if (nodb) 
-		return(1);
+	/*
+	 * Build the database in a temporary file,
+	 * then atomically move it into place.
+	 */
 
-	ofl = SQLITE_OPEN_READWRITE;
-	if (0 == real) {
-		file = MANDOC_DB "~";
-		if (-1 == remove(file) && ENOENT != errno) {
+	if (dba_write(MANDOC_DB "~", dba) != -1) {
+		if (rename(MANDOC_DB "~", MANDOC_DB) == -1) {
 			exitcode = (int)MANDOCLEVEL_SYSERR;
-			say(file, NULL);
-			return(0);
+			say(MANDOC_DB, "&rename");
+			unlink(MANDOC_DB "~");
 		}
-		ofl |= SQLITE_OPEN_EXCLUSIVE;
-	} else
-		file = MANDOC_DB;
-
-	rc = sqlite3_open_v2(file, &db, ofl, NULL);
-	if (SQLITE_OK == rc) 
-		goto prepare_statements;
-	if (SQLITE_CANTOPEN != rc) {
-		exitcode = (int)MANDOCLEVEL_SYSERR;
-		say(file, NULL);
-		return(0);
+		return;
 	}
 
-	sqlite3_close(db);
-	db = NULL;
+	/*
+	 * We lack write permission and cannot replace the database
+	 * file, but let's at least check whether the data changed.
+	 */
 
-	if (SQLITE_OK != (rc = sqlite3_open(file, &db))) {
+	(void)strlcpy(tfn, "/tmp/mandocdb.XXXXXXXX", sizeof(tfn));
+	if (mkdtemp(tfn) == NULL) {
 		exitcode = (int)MANDOCLEVEL_SYSERR;
-		say(file, NULL);
-		return(0);
+		say("", "&%s", tfn);
+		return;
 	}
 
-	sql = "CREATE TABLE \"docs\" (\n"
-	      " \"file\" TEXT NOT NULL,\n"
-	      " \"sec\" TEXT NOT NULL,\n"
-	      " \"arch\" TEXT NOT NULL,\n"
-	      " \"desc\" TEXT NOT NULL,\n"
-	      " \"form\" INTEGER NOT NULL,\n"
-	      " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
-	      ");\n"
-	      "\n"
-	      "CREATE TABLE \"keys\" (\n"
-	      " \"bits\" INTEGER NOT NULL,\n"
-	      " \"key\" TEXT NOT NULL,\n"
-	      " \"docid\" INTEGER NOT NULL REFERENCES docs(id) "
-	      	"ON DELETE CASCADE,\n"
-	      " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
-	      ");\n"
-	      "\n"
-	      "CREATE INDEX \"key_index\" ON keys (key);\n";
-
-	if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
+	(void)strlcat(tfn, "/" MANDOC_DB, sizeof(tfn));
+	if (dba_write(tfn, dba) == -1) {
 		exitcode = (int)MANDOCLEVEL_SYSERR;
-		say(file, "%s", sqlite3_errmsg(db));
-		return(0);
+		say(tfn, "&dba_write");
+		goto out;
 	}
 
-prepare_statements:
-	SQL_EXEC("PRAGMA foreign_keys = ON");
-	sql = "DELETE FROM docs where file=?";
-	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE], NULL);
-	sql = "INSERT INTO docs "
-		"(file,sec,arch,desc,form) VALUES (?,?,?,?,?)";
-	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_DOC], NULL);
-	sql = "INSERT INTO keys "
-		"(bits,key,docid) VALUES (?,?,?)";
-	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);
-
-#ifndef __APPLE__
-	/*
-	 * When opening a new database, we can turn off
-	 * synchronous mode for much better performance.
-	 */
-
-	if (real)
-		SQL_EXEC("PRAGMA synchronous = OFF");
-#endif
-
-	return(1);
-}
-
-static void *
-hash_halloc(size_t sz, void *arg)
-{
-
-	return(mandoc_calloc(sz, 1));
-}
-
-static void *
-hash_alloc(size_t sz, void *arg)
-{
-
-	return(mandoc_malloc(sz));
-}
-
-static void
-hash_free(void *p, size_t sz, void *arg)
-{
+	switch (child = fork()) {
+	case -1:
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "&fork cmp");
+		return;
+	case 0:
+		execlp("cmp", "cmp", "-s", tfn, MANDOC_DB, (char *)NULL);
+		say("", "&exec cmp");
+		exit(0);
+	default:
+		break;
+	}
+	if (waitpid(child, &status, 0) == -1) {
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "&wait cmp");
+	} else if (WIFSIGNALED(status)) {
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "cmp died from signal %d", WTERMSIG(status));
+	} else if (WEXITSTATUS(status)) {
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say(MANDOC_DB,
+		    "Data changed, but cannot replace database");
+	}
 
-	free(p);
+out:
+	*strrchr(tfn, '/') = '\0';
+	switch (child = fork()) {
+	case -1:
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "&fork rm");
+		return;
+	case 0:
+		execlp("rm", "rm", "-rf", tfn, (char *)NULL);
+		say("", "&exec rm");
+		exit((int)MANDOCLEVEL_SYSERR);
+	default:
+		break;
+	}
+	if (waitpid(child, &status, 0) == -1) {
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "&wait rm");
+	} else if (WIFSIGNALED(status) || WEXITSTATUS(status)) {
+		exitcode = (int)MANDOCLEVEL_SYSERR;
+		say("", "%s: Cannot remove temporary directory", tfn);
+	}
 }
 
 static int
-set_basedir(const char *targetdir)
+set_basedir(const char *targetdir, int report_baddir)
 {
 	static char	 startdir[PATH_MAX];
-	static int	 fd;
+	static int	 getcwd_status;  /* 1 = ok, 2 = failure */
+	static int	 chdir_status;  /* 1 = changed directory */
+	char		*cp;
 
 	/*
-	 * Remember where we started by keeping a fd open to the origin
-	 * path component: throughout this utility, we chdir() a lot to
-	 * handle relative paths, and by doing this, we can return to
-	 * the starting point.
+	 * Remember the original working directory, if possible.
+	 * This will be needed if the second or a later directory
+	 * on the command line is given as a relative path.
+	 * Do not error out if the current directory is not
+	 * searchable: Maybe it won't be needed after all.
 	 */
-	if ('\0' == *startdir) {
-		if (NULL == getcwd(startdir, PATH_MAX)) {
-			exitcode = (int)MANDOCLEVEL_SYSERR;
-			if (NULL != targetdir)
-				say(".", NULL);
-			return(0);
-		}
-		if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
+	if (0 == getcwd_status) {
+		if (NULL == getcwd(startdir, sizeof(startdir))) {
+			getcwd_status = 2;
+			(void)strlcpy(startdir, strerror(errno),
+			    sizeof(startdir));
+		} else
+			getcwd_status = 1;
+	}
+
+	/*
+	 * We are leaving the old base directory.
+	 * Do not use it any longer, not even for messages.
+	 */
+	*basedir = '\0';
+
+	/*
+	 * If and only if the directory was changed earlier and
+	 * the next directory to process is given as a relative path,
+	 * first go back, or bail out if that is impossible.
+	 */
+	if (chdir_status && '/' != *targetdir) {
+		if (2 == getcwd_status) {
 			exitcode = (int)MANDOCLEVEL_SYSERR;
-			say(startdir, NULL);
-			return(0);
+			say("", "getcwd: %s", startdir);
+			return 0;
 		}
-		if (NULL == targetdir)
-			targetdir = startdir;
-	} else {
-		if (-1 == fd)
-			return(0);
-		if (-1 == fchdir(fd)) {
-			close(fd);
-			basedir[0] = '\0';
+		if (-1 == chdir(startdir)) {
 			exitcode = (int)MANDOCLEVEL_SYSERR;
-			say(startdir, NULL);
-			return(0);
-		}
-		if (NULL == targetdir) {
-			close(fd);
-			return(1);
+			say("", "&chdir %s", startdir);
+			return 0;
 		}
 	}
+
+	/*
+	 * Always resolve basedir to the canonicalized absolute
+	 * pathname and append a trailing slash, such that
+	 * we can reliably check whether files are inside.
+	 */
 	if (NULL == realpath(targetdir, basedir)) {
-		basedir[0] = '\0';
-		exitcode = (int)MANDOCLEVEL_BADARG;
-		say(targetdir, NULL);
-		return(0);
+		if (report_baddir || errno != ENOENT) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "&%s: realpath", targetdir);
+		}
+		return 0;
 	} else if (-1 == chdir(basedir)) {
-		exitcode = (int)MANDOCLEVEL_BADARG;
-		say("", NULL);
-		return(0);
+		if (report_baddir || errno != ENOENT) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "&chdir");
+		}
+		return 0;
 	}
-	return(1);
+	chdir_status = 1;
+	cp = strchr(basedir, '\0');
+	if ('/' != cp[-1]) {
+		if (cp - basedir >= PATH_MAX - 1) {
+			exitcode = (int)MANDOCLEVEL_SYSERR;
+			say("", "Filename too long");
+			return 0;
+		}
+		*cp++ = '/';
+		*cp = '\0';
+	}
+	return 1;
 }
 
 static void
 say(const char *file, const char *format, ...)
 {
 	va_list		 ap;
+	int		 use_errno;
 
 	if ('\0' != *basedir)
 		fprintf(stderr, "%s", basedir);
 	if ('\0' != *basedir && '\0' != *file)
-		fputs("//", stderr);
+		fputc('/', stderr);
 	if ('\0' != *file)
 		fprintf(stderr, "%s", file);
-	fputs(": ", stderr);
 
-	if (NULL == format) {
-		perror(NULL);
-		return;
+	use_errno = 1;
+	if (NULL != format) {
+		switch (*format) {
+		case '&':
+			format++;
+			break;
+		case '\0':
+			format = NULL;
+			break;
+		default:
+			use_errno = 0;
+			break;
+		}
 	}
-
-	va_start(ap, format);
-	vfprintf(stderr, format, ap);
-	va_end(ap);
-
-	fputc('\n', stderr);
+	if (NULL != format) {
+		if ('\0' != *basedir || '\0' != *file)
+			fputs(": ", stderr);
+		va_start(ap, format);
+		vfprintf(stderr, format, ap);
+		va_end(ap);
+	}
+	if (use_errno) {
+		if ('\0' != *basedir || '\0' != *file || NULL != format)
+			fputs(": ", stderr);
+		perror(NULL);
+	} else
+		fputc('\n', stderr);
 }