===================================================================
RCS file: /cvs/mandoc/mandocdb.c,v
retrieving revision 1.150
retrieving revision 1.175
diff -u -p -r1.150 -r1.175
--- mandoc/mandocdb.c	2014/06/19 00:45:37	1.150
+++ mandoc/mandocdb.c	2014/12/04 21:48:48	1.175
@@ -1,4 +1,4 @@
-/*	$Id: mandocdb.c,v 1.150 2014/06/19 00:45:37 schwarze Exp $ */
+/*	$Id: mandocdb.c,v 1.175 2014/12/04 21:48:48 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,10 +15,9 @@
  * 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>
 
@@ -26,7 +25,11 @@
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
+#if HAVE_FTS
 #include <fts.h>
+#else
+#include "compat_fts.h"
+#endif
 #include <getopt.h>
 #include <limits.h>
 #include <stddef.h>
@@ -36,7 +39,7 @@
 #include <string.h>
 #include <unistd.h>
 
-#ifdef HAVE_OHASH
+#if HAVE_OHASH
 #include <ohash.h>
 #else
 #include "compat_ohash.h"
@@ -80,12 +83,6 @@ enum	op {
 	OP_TEST /* change no databases, report potential problems */
 };
 
-enum	form {
-	FORM_NONE,  /* format is unknown */
-	FORM_SRC,   /* format is -man or -mdoc */
-	FORM_CAT    /* format is cat */
-};
-
 struct	str {
 	char		*rendered; /* key in UTF-8 or ASCII form */
 	const struct mpage *mpage; /* if set, the owning parse */
@@ -101,24 +98,25 @@ struct	inodev {
 struct	mpage {
 	struct inodev	 inodev;  /* used for hashing routine */
 	int64_t		 pageid;  /* pageid in mpages SQL table */
-	enum form	 form;    /* format from file content */
 	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 mlink	*mlinks;  /* singly linked list */
+	int		 form;    /* format from file content */
+	int		 name_head_done;
 };
 
 struct	mlink {
 	char		 file[PATH_MAX]; /* filename rel. to manpath */
-	enum form	 dform;   /* format from directory */
-	enum form	 fform;   /* format from file name suffix */
 	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		 dform;   /* format from directory */
+	int		 fform;   /* format from file name suffix */
 	int		 gzip;	  /* filename has a .gz suffix */
 };
 
@@ -127,11 +125,13 @@ enum	stmt {
 	STMT_INSERT_PAGE,	/* insert mpage */
 	STMT_INSERT_LINK,	/* insert mlink */
 	STMT_INSERT_NAME,	/* insert name */
+	STMT_SELECT_NAME,	/* retrieve existing name flags */
 	STMT_INSERT_KEY,	/* insert parsed key */
 	STMT__MAX
 };
 
-typedef	int (*mdoc_fp)(struct mpage *, const struct mdoc_node *);
+typedef	int (*mdoc_fp)(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
 
 struct	mdoc_handler {
 	mdoc_fp		 fp; /* optional handler */
@@ -141,12 +141,13 @@ struct	mdoc_handler {
 static	void	 dbclose(int);
 static	void	 dbadd(struct mpage *, struct mchars *);
 static	void	 dbadd_mlink(const struct mlink *mlink);
+static	void	 dbadd_mlink_name(const struct mlink *mlink);
 static	int	 dbopen(int);
 static	void	 dbprune(void);
 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	 hash_free(void *, void *);
+static	void	*hash_calloc(size_t, size_t, void *);
 static	void	 mlink_add(struct mlink *, const struct stat *);
 static	void	 mlink_check(struct mpage *, struct mlink *);
 static	void	 mlink_free(struct mlink *);
@@ -155,16 +156,28 @@ static	void	 mpages_free(void);
 static	void	 mpages_merge(struct mchars *, struct mparse *);
 static	void	 names_check(void);
 static	void	 parse_cat(struct mpage *, int);
-static	void	 parse_man(struct mpage *, const struct man_node *);
-static	void	 parse_mdoc(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_body(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_head(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Fd(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Fn(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Nd(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Nm(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Sh(struct mpage *, const struct mdoc_node *);
-static	int	 parse_mdoc_Xr(struct mpage *, const struct mdoc_node *);
+static	void	 parse_man(struct mpage *, const struct man_meta *,
+			const struct man_node *);
+static	void	 parse_mdoc(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_body(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_head(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Fd(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Fn(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Fo(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Nd(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Nm(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Sh(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
+static	int	 parse_mdoc_Xr(struct mpage *, const struct mdoc_meta *,
+			const struct mdoc_node *);
 static	void	 putkey(const struct mpage *, char *, uint64_t);
 static	void	 putkeys(const struct mpage *,
 			const char *, size_t, uint64_t);
@@ -172,7 +185,7 @@ static	void	 putmdockey(const struct mpage *,
 			const struct mdoc_node *, uint64_t);
 static	void	 render_key(struct mchars *, struct str *);
 static	void	 say(const char *, const char *, ...);
-static	int	 set_basedir(const char *);
+static	int	 set_basedir(const char *, int);
 static	int	 treescan(void);
 static	size_t	 utf8(unsigned int, char [7]);
 
@@ -292,7 +305,7 @@ static	const struct mdoc_handler mdocs[MDOC_MAX] = {
 	{ NULL, 0 },  /* Ux */
 	{ NULL, 0 },  /* Xc */
 	{ NULL, 0 },  /* Xo */
-	{ parse_mdoc_head, 0 },  /* Fo */
+	{ parse_mdoc_Fo, 0 },  /* Fo */
 	{ NULL, 0 },  /* Fc */
 	{ NULL, 0 },  /* Oo */
 	{ NULL, 0 },  /* Oc */
@@ -318,6 +331,7 @@ static	const struct mdoc_handler mdocs[MDOC_MAX] = {
 	{ NULL, 0 },  /* sp */
 	{ NULL, 0 },  /* %U */
 	{ NULL, 0 },  /* Ta */
+	{ NULL, 0 },  /* ll */
 };
 
 
@@ -336,8 +350,8 @@ main(int argc, char *argv[])
 	memset(&dirs, 0, sizeof(struct manpaths));
 
 	mpages_info.alloc  = mlinks_info.alloc  = hash_alloc;
-	mpages_info.halloc = mlinks_info.halloc = hash_halloc;
-	mpages_info.hfree  = mlinks_info.hfree  = hash_free;
+	mpages_info.calloc = mlinks_info.calloc = hash_calloc;
+	mpages_info.free  = mlinks_info.free  = hash_free;
 
 	mpages_info.key_offset = offsetof(struct mpage, inodev);
 	mlinks_info.key_offset = offsetof(struct mlink, file);
@@ -355,7 +369,8 @@ main(int argc, char *argv[])
 	 */
 #define	CHECKOP(_op, _ch) do \
 	if (OP_DEFAULT != (_op)) { \
-		fprintf(stderr, "-%c: Conflicting option\n", (_ch)); \
+		fprintf(stderr, "%s: -%c: Conflicting option\n", \
+		    progname, (_ch)); \
 		goto usage; \
 	} while (/*CONSTCOND*/0)
 
@@ -391,8 +406,9 @@ main(int argc, char *argv[])
 			break;
 		case 'T':
 			if (strcmp(optarg, "utf8")) {
-				fprintf(stderr, "-T%s: Unsupported "
-				    "output format\n", optarg);
+				fprintf(stderr, "%s: -T%s: "
+				    "Unsupported output format\n",
+				    progname, optarg);
 				goto usage;
 			}
 			write_utf8 = 1;
@@ -419,14 +435,15 @@ main(int argc, char *argv[])
 	argv += optind;
 
 	if (OP_CONFFILE == op && argc > 0) {
-		fprintf(stderr, "-C: Too many arguments\n");
+		fprintf(stderr, "%s: -C: Too many arguments\n",
+		    progname);
 		goto usage;
 	}
 
 	exitcode = (int)MANDOCLEVEL_OK;
-	mp = mparse_alloc(mparse_options, MANDOCLEVEL_FATAL, NULL, NULL);
 	mc = mchars_alloc();
-
+	mp = mparse_alloc(mparse_options, MANDOCLEVEL_FATAL, NULL,
+	    mc, NULL);
 	ohash_init(&mpages, 6, &mpages_info);
 	ohash_init(&mlinks, 6, &mlinks_info);
 
@@ -436,7 +453,7 @@ main(int argc, char *argv[])
 		 * Most of these deal with a specific directory.
 		 * Jump into that directory first.
 		 */
-		if (OP_TEST != op && 0 == set_basedir(path_arg))
+		if (OP_TEST != op && 0 == set_basedir(path_arg, 1))
 			goto out;
 
 		if (dbopen(1)) {
@@ -502,14 +519,12 @@ main(int argc, char *argv[])
 				ohash_init(&mlinks, 6, &mlinks_info);
 			}
 
-			if (0 == set_basedir(dirs.paths[j]))
-				goto out;
+			if (0 == set_basedir(dirs.paths[j], argc > 0))
+				continue;
 			if (0 == treescan())
-				goto out;
-			if (0 == set_basedir(dirs.paths[j]))
-				goto out;
+				continue;
 			if (0 == dbopen(0))
-				goto out;
+				continue;
 
 			mpages_merge(mc, mp);
 			if (warnings && !nodb &&
@@ -526,8 +541,8 @@ main(int argc, char *argv[])
 	}
 out:
 	manpath_free(&dirs);
-	mchars_free(mc);
 	mparse_free(mp);
+	mchars_free(mc);
 	mpages_free();
 	ohash_delete(&mpages);
 	ohash_delete(&mlinks);
@@ -834,6 +849,7 @@ filescan(const char *file)
 	}
 
 	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");
@@ -1077,30 +1093,28 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 {
 	char			 any[] = "any";
 	struct ohash_info	 str_info;
-	int			 fd[2];
 	struct mpage		*mpage, *mpage_dest;
 	struct mlink		*mlink, *mlink_dest;
 	struct mdoc		*mdoc;
 	struct man		*man;
 	char			*sodest;
 	char			*cp;
-	pid_t			 child_pid;
-	int			 status;
+	int			 fd;
 	unsigned int		 pslot;
 	enum mandoclevel	 lvl;
 
 	str_info.alloc = hash_alloc;
-	str_info.halloc = hash_halloc;
-	str_info.hfree = hash_free;
+	str_info.calloc = hash_calloc;
+	str_info.free = hash_free;
 	str_info.key_offset = offsetof(struct str, key);
 
-	if (0 == nodb)
+	if ( ! nodb)
 		SQL_EXEC("BEGIN TRANSACTION");
 
 	mpage = ohash_first(&mpages, &pslot);
-	while (NULL != mpage) {
+	while (mpage != NULL) {
 		mlinks_undupe(mpage);
-		if (NULL == mpage->mlinks) {
+		if (mpage->mlinks == NULL) {
 			mpage = ohash_next(&mpages, &pslot);
 			continue;
 		}
@@ -1112,39 +1126,11 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 		mdoc = NULL;
 		man = NULL;
 		sodest = NULL;
-		child_pid = 0;
-		fd[0] = -1;
-		fd[1] = -1;
 
-		if (mpage->mlinks->gzip) {
-			if (-1 == pipe(fd)) {
-				exitcode = (int)MANDOCLEVEL_SYSERR;
-				say(mpage->mlinks->file, "&pipe gunzip");
-				goto nextpage;
-			}
-			switch (child_pid = fork()) {
-			case -1:
-				exitcode = (int)MANDOCLEVEL_SYSERR;
-				say(mpage->mlinks->file, "&fork gunzip");
-				child_pid = 0;
-				close(fd[1]);
-				close(fd[0]);
-				goto nextpage;
-			case 0:
-				close(fd[0]);
-				if (-1 == dup2(fd[1], STDOUT_FILENO)) {
-					say(mpage->mlinks->file,
-					    "&dup gunzip");
-					exit(1);
-				}
-				execlp("gunzip", "gunzip", "-c",
-				    mpage->mlinks->file, NULL);
-				say(mpage->mlinks->file, "&exec gunzip");
-				exit(1);
-			default:
-				close(fd[1]);
-				break;
-			}
+		mparse_open(mp, &fd, mpage->mlinks->file);
+		if (fd == -1) {
+			say(mpage->mlinks->file, "&open");
+			goto nextpage;
 		}
 
 		/*
@@ -1152,17 +1138,23 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 		 * source code, unless it is already known to be
 		 * formatted.  Fall back to formatted mode.
 		 */
-		if (FORM_CAT != mpage->mlinks->dform ||
-		    FORM_CAT != mpage->mlinks->fform) {
-			lvl = mparse_readfd(mp, fd[0], mpage->mlinks->file);
+		if (mpage->mlinks->dform != FORM_CAT ||
+		    mpage->mlinks->fform != FORM_CAT) {
+			lvl = mparse_readfd(mp, fd, mpage->mlinks->file);
 			if (lvl < MANDOCLEVEL_FATAL)
 				mparse_result(mp, &mdoc, &man, &sodest);
 		}
 
-		if (NULL != sodest) {
+		if (sodest != NULL) {
 			mlink_dest = ohash_find(&mlinks,
 			    ohash_qlookup(&mlinks, sodest));
-			if (NULL != mlink_dest) {
+			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) {
 
 				/* The .so target exists. */
 
@@ -1181,9 +1173,9 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 					 */
 
 					if (mpage_dest->pageid)
-						dbadd_mlink(mlink);
+						dbadd_mlink_name(mlink);
 
-					if (NULL == mlink->next)
+					if (mlink->next == NULL)
 						break;
 					mlink = mlink->next;
 				}
@@ -1195,16 +1187,17 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 				mpage->mlinks = NULL;
 			}
 			goto nextpage;
-		} else if (NULL != mdoc) {
+		} else if (mdoc != NULL) {
 			mpage->form = FORM_SRC;
-			mpage->sec =
-			    mandoc_strdup(mdoc_meta(mdoc)->msec);
+			mpage->sec = mdoc_meta(mdoc)->msec;
+			mpage->sec = mandoc_strdup(
+			    mpage->sec == NULL ? "" : mpage->sec);
 			mpage->arch = mdoc_meta(mdoc)->arch;
 			mpage->arch = mandoc_strdup(
-			    NULL == mpage->arch ? "" : mpage->arch);
+			    mpage->arch == NULL ? "" : mpage->arch);
 			mpage->title =
 			    mandoc_strdup(mdoc_meta(mdoc)->title);
-		} else if (NULL != man) {
+		} else if (man != NULL) {
 			mpage->form = FORM_SRC;
 			mpage->sec =
 			    mandoc_strdup(man_meta(man)->msec);
@@ -1222,8 +1215,8 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 			    mandoc_strdup(mpage->mlinks->name);
 		}
 		putkey(mpage, mpage->sec, TYPE_sec);
-		putkey(mpage, '\0' == *mpage->arch ?
-		    any : mpage->arch, TYPE_arch);
+		if (*mpage->arch != '\0')
+			putkey(mpage, mpage->arch, TYPE_arch);
 
 		for (mlink = mpage->mlinks; mlink; mlink = mlink->next) {
 			if ('\0' != *mlink->dsec)
@@ -1235,16 +1228,14 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 			putkey(mpage, mlink->name, NAME_FILE);
 		}
 
-		assert(NULL == mpage->desc);
-		if (NULL != mdoc) {
-			if (NULL != (cp = mdoc_meta(mdoc)->name))
-				putkey(mpage, cp, NAME_HEAD);
-			parse_mdoc(mpage, mdoc_node(mdoc));
-		} else if (NULL != man)
-			parse_man(mpage, man_node(man));
+		assert(mpage->desc == NULL);
+		if (mdoc != NULL)
+			parse_mdoc(mpage, mdoc_meta(mdoc), mdoc_node(mdoc));
+		else if (man != NULL)
+			parse_man(mpage, man_meta(man), man_node(man));
 		else
-			parse_cat(mpage, fd[0]);
-		if (NULL == mpage->desc)
+			parse_cat(mpage, fd);
+		if (mpage->desc == NULL)
 			mpage->desc = mandoc_strdup(mpage->mlinks->name);
 
 		if (warnings && !use_all)
@@ -1255,21 +1246,9 @@ mpages_merge(struct mchars *mc, struct mparse *mp)
 		dbadd(mpage, mc);
 
 nextpage:
-		if (child_pid) {
-			if (-1 == waitpid(child_pid, &status, 0)) {
-				exitcode = (int)MANDOCLEVEL_SYSERR;
-				say(mpage->mlinks->file, "&wait gunzip");
-			} else if (WIFSIGNALED(status)) {
-				exitcode = (int)MANDOCLEVEL_SYSERR;
-				say(mpage->mlinks->file,
-				    "gunzip died from signal %d",
-				    WTERMSIG(status));
-			} else if (WEXITSTATUS(status)) {
-				exitcode = (int)MANDOCLEVEL_SYSERR;
-				say(mpage->mlinks->file,
-				    "gunzip failed with code %d",
-				    WEXITSTATUS(status));
-			}
+		if (mparse_wait(mp) != MANDOCLEVEL_OK) {
+			exitcode = (int)MANDOCLEVEL_SYSERR;
+			say(mpage->mlinks->file, "&wait gunzip");
 		}
 		ohash_delete(&strings);
 		ohash_delete(&names);
@@ -1305,10 +1284,10 @@ names_check(void)
 		say("", "%s", sqlite3_errmsg(db));
 
 	while (SQLITE_ROW == (irc = sqlite3_step(stmt))) {
-		name = sqlite3_column_text(stmt, 0);
-		sec  = sqlite3_column_text(stmt, 1);
-		arch = sqlite3_column_text(stmt, 2);
-		key  = sqlite3_column_text(stmt, 3);
+		name = (const char *)sqlite3_column_text(stmt, 0);
+		sec  = (const char *)sqlite3_column_text(stmt, 1);
+		arch = (const char *)sqlite3_column_text(stmt, 2);
+		key  = (const char *)sqlite3_column_text(stmt, 3);
 		say("", "%s(%s%s%s) lacks mlink \"%s\"", name, sec,
 		    '\0' == *arch ? "" : "/",
 		    '\0' == *arch ? "" : arch, key);
@@ -1327,6 +1306,8 @@ parse_cat(struct mpage *mpage, int fd)
 	    fopen(mpage->mlinks->file, "r") :
 	    fdopen(fd, "r");
 	if (NULL == stream) {
+		if (-1 != fd)
+			close(fd);
 		if (warnings)
 			say(mpage->mlinks->file, "&fopen");
 		return;
@@ -1459,7 +1440,8 @@ putmdockey(const struct mpage *mpage,
 }
 
 static void
-parse_man(struct mpage *mpage, const struct man_node *n)
+parse_man(struct mpage *mpage, const struct man_meta *meta,
+	const struct man_node *n)
 {
 	const struct man_node *head, *body;
 	char		*start, *title;
@@ -1525,6 +1507,11 @@ parse_man(struct mpage *mpage, const struct man_node *
 					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;
@@ -1539,6 +1526,11 @@ parse_man(struct mpage *mpage, const struct man_node *
 
 			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;
 			}
@@ -1569,12 +1561,13 @@ parse_man(struct mpage *mpage, const struct man_node *
 	for (n = n->child; n; n = n->next) {
 		if (NULL != mpage->desc)
 			break;
-		parse_man(mpage, n);
+		parse_man(mpage, meta, n);
 	}
 }
 
 static void
-parse_mdoc(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	assert(NULL != n);
@@ -1590,7 +1583,7 @@ parse_mdoc(struct mpage *mpage, const struct mdoc_node
 			/* FALLTHROUGH */
 		case MDOC_TAIL:
 			if (NULL != mdocs[n->tok].fp)
-			       if (0 == (*mdocs[n->tok].fp)(mpage, n))
+			       if (0 == (*mdocs[n->tok].fp)(mpage, meta, n))
 				       break;
 			if (mdocs[n->tok].mask)
 				putmdockey(mpage, n->child,
@@ -1601,12 +1594,13 @@ parse_mdoc(struct mpage *mpage, const struct mdoc_node
 			continue;
 		}
 		if (NULL != n->child)
-			parse_mdoc(mpage, n);
+			parse_mdoc(mpage, meta, n);
 	}
 }
 
 static int
-parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 	const char	*start, *end;
 	size_t		 sz;
@@ -1649,7 +1643,8 @@ parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_n
 }
 
 static int
-parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 	char	*cp;
 
@@ -1670,6 +1665,8 @@ parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_n
 		cp++;
 
 	putkey(mpage, cp, TYPE_Fn);
+	if (n->sec == SEC_SYNOPSIS)
+		putkey(mpage, cp, NAME_SYN);
 
 	if (n->string < cp)
 		putkeys(mpage, n->string, cp - n->string, TYPE_Ft);
@@ -1682,8 +1679,20 @@ parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_n
 }
 
 static int
-parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Fo(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
+
+	putmdockey(mpage, n->child, TYPE_Fn);
+	if (n->sec == SEC_SYNOPSIS)
+		putmdockey(mpage, n->child, NAME_SYN);
+	return(0);
+}
+
+static int
+parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
+{
 	char	*cp;
 
 	if (NULL == (n = n->child))
@@ -1701,7 +1710,8 @@ parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_n
 }
 
 static int
-parse_mdoc_Nd(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Nd(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	if (MDOC_BODY == n->type)
@@ -1710,32 +1720,46 @@ parse_mdoc_Nd(struct mpage *mpage, const struct mdoc_n
 }
 
 static int
-parse_mdoc_Nm(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Nm(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	if (SEC_NAME == n->sec)
 		putmdockey(mpage, n->child, NAME_TITLE);
-	else if (SEC_SYNOPSIS == n->sec && MDOC_HEAD == n->type)
-		putmdockey(mpage, n->child, NAME_SYN);
+	else if (SEC_SYNOPSIS == n->sec && MDOC_HEAD == n->type) {
+		if (n->child == NULL)
+			putkey(mpage, meta->name, NAME_SYN);
+		else
+			putmdockey(mpage, n->child, NAME_SYN);
+	}
+	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_Sh(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Sh(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	return(SEC_CUSTOM == n->sec && MDOC_HEAD == n->type);
 }
 
 static int
-parse_mdoc_head(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_head(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	return(MDOC_HEAD == n->type);
 }
 
 static int
-parse_mdoc_body(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_body(struct mpage *mpage, const struct mdoc_meta *meta,
+	const struct mdoc_node *n)
 {
 
 	return(MDOC_BODY == n->type);
@@ -1762,15 +1786,16 @@ putkeys(const struct mpage *mpage,
 	if (TYPE_Nm & v) {
 		htab = &names;
 		v &= name_mask;
-		name_mask &= ~NAME_FIRST;
+		if (v & NAME_FIRST)
+			name_mask &= ~NAME_FIRST;
 		if (debug > 1)
 			say(mpage->mlinks->file,
-			    "Adding name %*s", sz, cp);
+			    "Adding name %*s, bits=%d", sz, cp, v);
 	} else {
 		htab = &strings;
 		if (debug > 1)
 		    for (i = 0; i < mansearch_keymax; i++)
-			if (1 << i & v)
+			if ((uint64_t)1 << i & v)
 			    say(mpage->mlinks->file,
 				"Adding key %s=%*s",
 				mansearch_keynames[i], sz, cp);
@@ -1937,7 +1962,7 @@ render_key(struct mchars *mc, struct str *key)
 		 */
 
 		if (write_utf8) {
-			if (0 == (u = mchars_spec2cp(mc, seq, len)))
+			if ((u = mchars_spec2cp(mc, seq, len)) <= 0)
 				continue;
 			cpp = utfbuf;
 			if (0 == (sz = utf8(u, utfbuf)))
@@ -1979,6 +2004,30 @@ dbadd_mlink(const struct mlink *mlink)
 	sqlite3_reset(stmts[STMT_INSERT_LINK]);
 }
 
+static void
+dbadd_mlink_name(const struct mlink *mlink)
+{
+	uint64_t	 bits;
+	size_t		 i;
+
+	dbadd_mlink(mlink);
+
+	i = 1;
+	SQL_BIND_INT64(stmts[STMT_SELECT_NAME], i, mlink->mpage->pageid);
+	bits = NAME_FILE & NAME_MASK;
+	if (sqlite3_step(stmts[STMT_SELECT_NAME]) == SQLITE_ROW) {
+		bits |= sqlite3_column_int64(stmts[STMT_SELECT_NAME], 0);
+		sqlite3_reset(stmts[STMT_SELECT_NAME]);
+	}
+
+	i = 1;
+	SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, bits);
+	SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, mlink->name);
+	SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, mlink->mpage->pageid);
+	SQL_STEP(stmts[STMT_INSERT_NAME]);
+	sqlite3_reset(stmts[STMT_INSERT_NAME]);
+}
+
 /*
  * 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
@@ -2043,7 +2092,7 @@ dbadd(struct mpage *mpage, struct mchars *mc)
 
 	i = 1;
 	SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, key->rendered);
-	SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, FORM_SRC == mpage->form);
+	SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, mpage->form);
 	SQL_STEP(stmts[STMT_INSERT_PAGE]);
 	mpage->pageid = sqlite3_last_insert_rowid(db);
 	sqlite3_reset(stmts[STMT_INSERT_PAGE]);
@@ -2285,7 +2334,8 @@ create_tables:
 	      " \"bits\" INTEGER NOT NULL,\n"
 	      " \"name\" TEXT NOT NULL,\n"
 	      " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) "
-		"ON DELETE CASCADE\n"
+		"ON DELETE CASCADE,\n"
+	      " UNIQUE (\"name\", \"pageid\") ON CONFLICT REPLACE\n"
 	      ");\n"
 	      "\n"
 	      "CREATE TABLE \"keys\" (\n"
@@ -2323,6 +2373,8 @@ prepare_statements:
 	sql = "INSERT INTO mlinks "
 		"(sec,arch,name,pageid) VALUES (?,?,?,?)";
 	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_LINK], NULL);
+	sql = "SELECT bits FROM names where pageid = ?";
+	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_SELECT_NAME], NULL);
 	sql = "INSERT INTO names "
 		"(bits,name,pageid) VALUES (?,?,?)";
 	sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_NAME], NULL);
@@ -2340,7 +2392,7 @@ prepare_statements:
 	    "PRAGMA synchronous = OFF", NULL, NULL, NULL)) {
 		exitcode = (int)MANDOCLEVEL_SYSERR;
 		say(MANDOC_DB, "PRAGMA synchronous: %s",
-		sqlite3_errmsg(db));
+		    sqlite3_errmsg(db));
 		sqlite3_close(db);
 		return(0);
 	}
@@ -2350,10 +2402,10 @@ prepare_statements:
 }
 
 static void *
-hash_halloc(size_t sz, void *arg)
+hash_calloc(size_t n, size_t sz, void *arg)
 {
 
-	return(mandoc_calloc(1, sz));
+	return(mandoc_calloc(n, sz));
 }
 
 static void *
@@ -2364,57 +2416,79 @@ hash_alloc(size_t sz, void *arg)
 }
 
 static void
-hash_free(void *p, size_t sz, void *arg)
+hash_free(void *p, void *arg)
 {
 
 	free(p);
 }
 
 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)) {
+	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("", "&getcwd");
+			say("", "getcwd: %s", startdir);
 			return(0);
 		}
-		if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
+		if (-1 == chdir(startdir)) {
 			exitcode = (int)MANDOCLEVEL_SYSERR;
-			say("", "&open %s", startdir);
-			return(0);
-		}
-	} else {
-		if (-1 == fd)
-			return(0);
-		if (-1 == fchdir(fd)) {
-			close(fd);
-			basedir[0] = '\0';
-			exitcode = (int)MANDOCLEVEL_SYSERR;
 			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("", "&%s: realpath", targetdir);
+		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("", "&chdir");
+		if (report_baddir || errno != ENOENT) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "&chdir");
+		}
 		return(0);
 	}
+	chdir_status = 1;
 	cp = strchr(basedir, '\0');
 	if ('/' != cp[-1]) {
 		if (cp - basedir >= PATH_MAX - 1) {
@@ -2437,7 +2511,7 @@ say(const char *file, const char *format, ...)
 	if ('\0' != *basedir)
 		fprintf(stderr, "%s", basedir);
 	if ('\0' != *basedir && '\0' != *file)
-		fputs("//", stderr);
+		fputc('/', stderr);
 	if ('\0' != *file)
 		fprintf(stderr, "%s", file);