In mdoc(7), don't mistreat negative .sp arguments as large positive ones.

[mandoc.git] / mandocdb.c

diff --git a/mandocdb.c b/mandocdb.c
index 514ce7aa04fe74dfb2ad92e37bf37955b7fd0533..9270e5cd1afe379ab7a7091ed725f44dba696f32 100644 (file)
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1,7 +1,7 @@
-/*     $Id: mandocdb.c,v 1.91 2013/12/31 18:07:42 schwarze Exp $ */
+/*     $Id: mandocdb.c,v 1.185 2015/02/27 16:22:09 schwarze Exp $ */

 /*
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 /*
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>

- * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -15,17 +15,21 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  * 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"
 #include "config.h"

-#endif

 
 

+#include <sys/types.h>

 #include <sys/stat.h>
 #include <sys/stat.h>

+#include <sys/wait.h>

 
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
 
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>

+#if HAVE_FTS

 #include <fts.h>
 #include <fts.h>

+#else
+#include "compat_fts.h"
+#endif

 #include <getopt.h>
 #include <limits.h>
 #include <stddef.h>
 #include <getopt.h>
 #include <limits.h>
 #include <stddef.h>


@@ -35,7 +39,7 @@
 #include <string.h>
 #include <unistd.h>
 
 #include <string.h>
 #include <unistd.h>
 

-#ifdef HAVE_OHASH
+#if HAVE_OHASH

 #include <ohash.h>
 #else
 #include "compat_ohash.h"
 #include <ohash.h>
 #else
 #include "compat_ohash.h"


@@ -45,27 +49,31 @@
 #include "mdoc.h"
 #include "man.h"
 #include "mandoc.h"
 #include "mdoc.h"
 #include "man.h"
 #include "mandoc.h"

+#include "mandoc_aux.h"

 #include "manpath.h"
 #include "mansearch.h"
 
 #include "manpath.h"
 #include "mansearch.h"
 

+extern int mansearch_keymax;
+extern const char *const mansearch_keynames[];
+

 #define        SQL_EXEC(_v) \
        if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
 #define        SQL_EXEC(_v) \
        if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \

-               fprintf(stderr, "%s\n", sqlite3_errmsg(db))
+               say("", "%s: %s", (_v), sqlite3_errmsg(db))

 #define        SQL_BIND_TEXT(_s, _i, _v) \
        if (SQLITE_OK != sqlite3_bind_text \
                ((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \
 #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))
+               say(mlink->file, "%s", sqlite3_errmsg(db))

 #define        SQL_BIND_INT(_s, _i, _v) \
        if (SQLITE_OK != sqlite3_bind_int \
                ((_s), (_i)++, (_v))) \
 #define        SQL_BIND_INT(_s, _i, _v) \
        if (SQLITE_OK != sqlite3_bind_int \
                ((_s), (_i)++, (_v))) \

-               fprintf(stderr, "%s\n", sqlite3_errmsg(db))
+               say(mlink->file, "%s", sqlite3_errmsg(db))

 #define        SQL_BIND_INT64(_s, _i, _v) \
        if (SQLITE_OK != sqlite3_bind_int64 \
                ((_s), (_i)++, (_v))) \
 #define        SQL_BIND_INT64(_s, _i, _v) \
        if (SQLITE_OK != sqlite3_bind_int64 \
                ((_s), (_i)++, (_v))) \

-               fprintf(stderr, "%s\n", sqlite3_errmsg(db))
+               say(mlink->file, "%s", sqlite3_errmsg(db))

 #define SQL_STEP(_s) \
        if (SQLITE_DONE != sqlite3_step((_s))) \
 #define SQL_STEP(_s) \
        if (SQLITE_DONE != sqlite3_step((_s))) \

-               fprintf(stderr, "%s\n", sqlite3_errmsg(db))
+               say(mlink->file, "%s", sqlite3_errmsg(db))

 
 enum   op {
        OP_DEFAULT = 0, /* new dbs from dir list or default config */
 
 enum   op {
        OP_DEFAULT = 0, /* new dbs from dir list or default config */


@@ -75,17 +83,10 @@ enum        op {
        OP_TEST /* change no databases, report potential problems */
 };
 
        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 {
 struct str {

-       char            *utf8; /* key in UTF-8 form */

        const struct mpage *mpage; /* if set, the owning parse */
        uint64_t         mask; /* bitmask in sequence */
        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 inodev {
 };
 
 struct inodev {


@@ -95,39 +96,41 @@ struct      inodev {
 
 struct mpage {
        struct inodev    inodev;  /* used for hashing routine */
 
 struct mpage {
        struct inodev    inodev;  /* used for hashing routine */

-       enum form        form;    /* format from file content */
+       int64_t          pageid;  /* pageid in mpages SQL table */

        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 */
        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 */
 };
 
 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 */
        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 title {
-       char            *title; /* name(sec/arch) given inside the file */
-       char            *file; /* file name in case of mismatch */
+       struct mpage    *mpage;   /* parent */
+       int              dform;   /* format from directory */
+       int              fform;   /* format from file name suffix */
+       int              gzip;    /* filename has a .gz suffix */

 };
 
 enum   stmt {
        STMT_DELETE_PAGE = 0,   /* delete mpage */
        STMT_INSERT_PAGE,       /* insert mpage */
        STMT_INSERT_LINK,       /* insert mlink */
 };
 
 enum   stmt {
        STMT_DELETE_PAGE = 0,   /* delete mpage */
        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
 };
 
        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 */
 
 struct mdoc_handler {
        mdoc_fp          fp; /* optional handler */


@@ -135,56 +138,75 @@ struct    mdoc_handler {
 };
 
 static void     dbclose(int);
 };
 
 static void     dbclose(int);

-static void     dbindex(const struct mpage *, struct mchars *);
+static void     dbadd(struct mpage *);
+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 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_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     mlink_free(struct mlink *);
 static void     mlinks_undupe(struct mpage *);
 static void     mpages_free(void);

-static void     mpages_merge(struct mchars *, struct mparse *, int);
-static void     parse_cat(struct mpage *);
-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_In(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_St(struct mpage *, const struct mdoc_node *);
-static int      parse_mdoc_Xr(struct mpage *, const struct mdoc_node *);
-static void     putkey(const struct mpage *,
-                       const char *, uint64_t);
-static void     putkeys(const struct mpage *,
-                       const char *, size_t, uint64_t);
+static void     mpages_merge(struct mparse *);
+static void     names_check(void);
+static void     parse_cat(struct mpage *, int);
+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 void     parse_mdoc_fname(struct mpage *, 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 *, char *, size_t, uint64_t);

 static void     putmdockey(const struct mpage *,
                        const struct mdoc_node *, uint64_t);
 static void     putmdockey(const struct mpage *,
                        const struct mdoc_node *, uint64_t);

+static int      render_string(char **, size_t *);

 static void     say(const char *, const char *, ...);
 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]);
 static int      treescan(void);
 static size_t   utf8(unsigned int, char [7]);

-static void     utf8key(struct mchars *, struct str *);

 
 

+static char             tempfilename[32];

 static char            *progname;
 static char            *progname;

-static int              use_all; /* use all found files */

 static int              nodb; /* no database changes */
 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 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 char             basedir[PATH_MAX]; /* current base directory */

+static struct mchars   *mchars; /* table of named characters */

 static struct ohash     mpages; /* table of distinct manual pages */
 static struct ohash     mlinks; /* table of directory entries */
 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 sqlite3         *db = NULL; /* current database */
 static sqlite3_stmt    *stmts[STMT__MAX]; /* current statements */
 static struct ohash     strings; /* table of all strings */
 static sqlite3         *db = NULL; /* current database */
 static sqlite3_stmt    *stmts[STMT__MAX]; /* current statements */

+static uint64_t         name_mask;

 
 static const struct mdoc_handler mdocs[MDOC_MAX] = {
        { NULL, 0 },  /* Ap */
 
 static const struct mdoc_handler mdocs[MDOC_MAX] = {
        { NULL, 0 },  /* Ap */


@@ -216,15 +238,15 @@ static    const struct mdoc_handler mdocs[MDOC_MAX] = {
        { parse_mdoc_Fn, 0 },  /* Fn */
        { NULL, TYPE_Ft },  /* Ft */
        { NULL, TYPE_Ic },  /* Ic */
        { parse_mdoc_Fn, 0 },  /* Fn */
        { NULL, TYPE_Ft },  /* Ft */
        { NULL, TYPE_Ic },  /* Ic */

-       { parse_mdoc_In, TYPE_In },  /* In */
+       { NULL, TYPE_In },  /* In */

        { NULL, TYPE_Li },  /* Li */
        { NULL, TYPE_Li },  /* Li */

-       { parse_mdoc_Nd, TYPE_Nd },  /* Nd */
-       { parse_mdoc_Nm, TYPE_Nm },  /* Nm */
+       { parse_mdoc_Nd, 0 },  /* Nd */
+       { parse_mdoc_Nm, 0 },  /* Nm */

        { NULL, 0 },  /* Op */
        { NULL, 0 },  /* Ot */
        { NULL, TYPE_Pa },  /* Pa */
        { NULL, 0 },  /* Rv */
        { NULL, 0 },  /* Op */
        { NULL, 0 },  /* Ot */
        { NULL, TYPE_Pa },  /* Pa */
        { NULL, 0 },  /* Rv */

-       { parse_mdoc_St, 0 },  /* St */
+       { NULL, TYPE_St },  /* St */

        { NULL, TYPE_Va },  /* Va */
        { parse_mdoc_body, TYPE_Va },  /* Vt */
        { parse_mdoc_Xr, 0 },  /* Xr */
        { NULL, TYPE_Va },  /* Va */
        { parse_mdoc_body, TYPE_Va },  /* Vt */
        { parse_mdoc_Xr, 0 },  /* Xr */


@@ -283,7 +305,7 @@ static      const struct mdoc_handler mdocs[MDOC_MAX] = {
        { NULL, 0 },  /* Ux */
        { NULL, 0 },  /* Xc */
        { NULL, 0 },  /* Xo */
        { 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 */
        { NULL, 0 },  /* Fc */
        { NULL, 0 },  /* Oo */
        { NULL, 0 },  /* Oc */


@@ -309,15 +331,16 @@ static    const struct mdoc_handler mdocs[MDOC_MAX] = {
        { NULL, 0 },  /* sp */
        { NULL, 0 },  /* %U */
        { NULL, 0 },  /* Ta */
        { NULL, 0 },  /* sp */
        { NULL, 0 },  /* %U */
        { NULL, 0 },  /* Ta */

+       { NULL, 0 },  /* ll */

 };
 
 };
 

+

 int
 int

-main(int argc, char *argv[])
+mandocdb(int argc, char *argv[])

 {
        int               ch, i;
        size_t            j, sz;
        const char       *path_arg;
 {
        int               ch, i;
        size_t            j, sz;
        const char       *path_arg;

-       struct mchars    *mc;

        struct manpaths   dirs;
        struct mparse    *mp;
        struct ohash_info mpages_info, mlinks_info;
        struct manpaths   dirs;
        struct mparse    *mp;
        struct ohash_info mpages_info, mlinks_info;


@@ -326,8 +349,9 @@ main(int argc, char *argv[])
        memset(&dirs, 0, sizeof(struct manpaths));
 
        mpages_info.alloc  = mlinks_info.alloc  = hash_alloc;
        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.data   = mlinks_info.data   = NULL;

 
        mpages_info.key_offset = offsetof(struct mpage, inodev);
        mlinks_info.key_offset = offsetof(struct mlink, file);
 
        mpages_info.key_offset = offsetof(struct mpage, inodev);
        mlinks_info.key_offset = offsetof(struct mlink, file);


@@ -339,53 +363,69 @@ main(int argc, char *argv[])
                ++progname;
 
        /*
                ++progname;
 
        /*

-        * 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)) { \
         * 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)); \
+               fprintf(stderr, "%s: -%c: Conflicting option\n", \
+                   progname, (_ch)); \

                goto usage; \
        } while (/*CONSTCOND*/0)
 
        path_arg = NULL;
        op = OP_DEFAULT;
 
                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) {
                switch (ch) {

-               case ('a'):
+               case 'a':

                        use_all = 1;
                        break;
                        use_all = 1;
                        break;

-               case ('C'):
+               case 'C':

                        CHECKOP(op, ch);
                        path_arg = optarg;
                        op = OP_CONFFILE;
                        break;
                        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;
                        CHECKOP(op, ch);
                        path_arg = optarg;
                        op = OP_UPDATE;
                        break;

-               case ('n'):
+               case 'n':

                        nodb = 1;
                        break;
                        nodb = 1;
                        break;

-               case ('t'):
+               case 'p':
+                       warnings = 1;
+                       break;
+               case 'Q':
+                       mparse_options |= MPARSE_QUICK;
+                       break;
+               case 'T':
+                       if (strcmp(optarg, "utf8")) {
+                               fprintf(stderr, "%s: -T%s: "
+                                   "Unsupported output format\n",
+                                   progname, optarg);
+                               goto usage;
+                       }
+                       write_utf8 = 1;
+                       break;
+               case 't':

                        CHECKOP(op, ch);
                        dup2(STDOUT_FILENO, STDERR_FILENO);
                        op = OP_TEST;
                        nodb = warnings = 1;
                        break;
                        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;
                        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;
                        break;
                default:
                        goto usage;


@@ -395,40 +435,52 @@ main(int argc, char *argv[])
        argv += optind;
 
        if (OP_CONFFILE == op && argc > 0) {
        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;
                goto usage;
        }
 
        exitcode = (int)MANDOCLEVEL_OK;

-       mp = mparse_alloc(MPARSE_AUTO, 
-               MANDOCLEVEL_FATAL, NULL, NULL, NULL);
-       mc = mchars_alloc();
-
+       mchars = mchars_alloc();
+       mp = mparse_alloc(mparse_options, MANDOCLEVEL_BADARG, NULL,
+           mchars, NULL);

        ohash_init(&mpages, 6, &mpages_info);
        ohash_init(&mlinks, 6, &mlinks_info);
 
        if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
        ohash_init(&mpages, 6, &mpages_info);
        ohash_init(&mlinks, 6, &mlinks_info);
 
        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;
                        goto out;

-               if (OP_TEST != op)
-                       dbprune();
+
+               if (dbopen(1)) {
+                       /*
+                        * The existing database is usable.  Process
+                        * all files specified on the command-line.
+                        */
+                       use_all = 1;
+                       for (i = 0; i < argc; i++)
+                               filescan(argv[i]);
+                       if (OP_TEST != op)
+                               dbprune();
+               } else {
+                       /*
+                        * Database missing or corrupt.
+                        * Recreate from scratch.
+                        */
+                       exitcode = (int)MANDOCLEVEL_OK;
+                       op = OP_DEFAULT;
+                       if (0 == treescan())
+                               goto out;
+                       if (0 == dbopen(0))
+                               goto out;
+               }

                if (OP_DELETE != op)
                if (OP_DELETE != op)

-                       mpages_merge(mc, mp, 0);
-               dbclose(1);
+                       mpages_merge(mp);
+               dbclose(OP_DEFAULT == op ? 0 : 1);

        } else {
                /*
                 * If we have arguments, use them as our manpaths.
        } else {
                /*
                 * If we have arguments, use them as our manpaths.


@@ -436,14 +488,19 @@ main(int argc, char *argv[])
                 * manpath_parse() wants to do it.
                 */
                if (argc > 0) {
                 * manpath_parse() wants to do it.
                 */
                if (argc > 0) {

-                       dirs.paths = mandoc_calloc
-                               (argc, sizeof(char *));
+                       dirs.paths = mandoc_reallocarray(NULL,
+                           argc, sizeof(char *));

                        dirs.sz = (size_t)argc;
                        for (i = 0; i < argc; i++)
                                dirs.paths[i] = mandoc_strdup(argv[i]);
                } else
                        manpath_parse(&dirs, path_arg, NULL, NULL);
 
                        dirs.sz = (size_t)argc;
                        for (i = 0; i < argc; i++)
                                dirs.paths[i] = mandoc_strdup(argv[i]);
                } else
                        manpath_parse(&dirs, path_arg, NULL, NULL);
 

+               if (0 == dirs.sz) {
+                       exitcode = (int)MANDOCLEVEL_BADARG;
+                       say("", "Empty manpath");
+               }
+

                /*
                 * First scan the tree rooted at a base directory, then
                 * build a new database and finally move it into place.
                /*
                 * First scan the tree rooted at a base directory, then
                 * build a new database and finally move it into place.


@@ -462,16 +519,17 @@ main(int argc, char *argv[])
                                ohash_init(&mlinks, 6, &mlinks_info);
                        }
 
                                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())
                        if (0 == treescan())

-                               goto out;
-                       if (0 == set_basedir(dirs.paths[j]))
-                               goto out;
+                               continue;

                        if (0 == dbopen(0))
                        if (0 == dbopen(0))

-                               goto out;
+                               continue;

 
 

-                       mpages_merge(mc, mp, warnings && !use_all);
+                       mpages_merge(mp);
+                       if (warnings && !nodb &&
+                           ! (MPARSE_QUICK & mparse_options))
+                               names_check();

                        dbclose(0);
 
                        if (j + 1 < dirs.sz) {
                        dbclose(0);
 
                        if (j + 1 < dirs.sz) {


@@ -482,21 +540,20 @@ main(int argc, char *argv[])
                }
        }
 out:
                }
        }
 out:

-       set_basedir(NULL);

        manpath_free(&dirs);
        manpath_free(&dirs);

-       mchars_free(mc);

        mparse_free(mp);
        mparse_free(mp);

+       mchars_free(mchars);

        mpages_free();
        ohash_delete(&mpages);
        ohash_delete(&mlinks);
        return(exitcode);
 usage:
        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, 
+       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);
                       progname, progname);
 
        return((int)MANDOCLEVEL_BADARG);


@@ -510,7 +567,7 @@ usage:
  * If use_all has been specified, grok all files.
  * If not, sanitise paths to the following:
  *
  * 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
  *
  *   or
  *   [./]cat<section>[/<arch>]/<name>.0
  *


@@ -519,25 +576,23 @@ usage:
 static int
 treescan(void)
 {
 static int
 treescan(void)
 {

+       char             buf[PATH_MAX];

        FTS             *f;
        FTSENT          *ff;
        struct mlink    *mlink;
        FTS             *f;
        FTSENT          *ff;
        struct mlink    *mlink;

-       int              dform;
-       char            *fsec;
-       const char      *dsec, *arch, *cp, *path;
+       int              dform, gzip;
+       char            *dsec, *arch, *fsec, *cp;
+       const char      *path;

        const char      *argv[2];
 
        argv[0] = ".";
        argv[1] = (char *)NULL;
 
        const char      *argv[2];
 
        argv[0] = ".";
        argv[1] = (char *)NULL;
 

-       /*
-        * Walk through all components under the directory, using the
-        * logical descent of files.
-        */
-       f = fts_open((char * const *)argv, FTS_LOGICAL, NULL);
+       f = fts_open((char * const *)argv,
+           FTS_PHYSICAL | FTS_NOCHDIR, NULL);

        if (NULL == f) {
                exitcode = (int)MANDOCLEVEL_SYSERR;
        if (NULL == f) {
                exitcode = (int)MANDOCLEVEL_SYSERR;

-               say("", NULL);
+               say("", "&fts_open");

                return(0);
        }
 
                return(0);
        }
 


@@ -546,19 +601,58 @@ treescan(void)
 
        while (NULL != (ff = fts_read(f))) {
                path = ff->fts_path + 2;
 
        while (NULL != (ff = fts_read(f))) {
                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 (NULL == realpath(path, buf)) {
+                               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 (-1 == stat(path, ff->fts_statp)) {
+                               if (warnings)
+                                       say(path, "&stat");
+                               continue;
+                       }
+                       /* FALLTHROUGH */
+

                /*
                 * If we're a regular file, add an mlink by using the
                 * stored directory data and handling the filename.
                 */
                /*
                 * If we're a regular file, add an mlink by using the
                 * stored directory data and handling the filename.
                 */

-               if (FTS_F == ff->fts_info) {
+               case FTS_F:

                        if (0 == strcmp(path, MANDOC_DB))
                                continue;
                        if ( ! use_all && ff->fts_level < 2) {
                                if (warnings)
                                        say(path, "Extraneous file");
                                continue;
                        if (0 == strcmp(path, MANDOC_DB))
                                continue;
                        if ( ! use_all && ff->fts_level < 2) {
                                if (warnings)
                                        say(path, "Extraneous file");
                                continue;

-                       } else if (NULL == (fsec =
-                                       strrchr(ff->fts_name, '.'))) {
+                       }
+                       gzip = 0;
+                       fsec = NULL;
+                       while (NULL == fsec) {
+                               fsec = strrchr(ff->fts_name, '.');
+                               if (NULL == fsec || strcmp(fsec+1, "gz"))
+                                       break;
+                               gzip = 1;
+                               *fsec = '\0';
+                               fsec = NULL;
+                       }
+                       if (NULL == fsec) {

                                if ( ! use_all) {
                                        if (warnings)
                                                say(path,
                                if ( ! use_all) {
                                        if (warnings)
                                                say(path,


@@ -569,10 +663,6 @@ treescan(void)
                                if (warnings)
                                        say(path, "Skip html");
                                continue;
                                if (warnings)
                                        say(path, "Skip html");
                                continue;

-                       } else if (0 == strcmp(fsec, "gz")) {
-                               if (warnings)
-                                       say(path, "Skip gz");
-                               continue;

                        } else if (0 == strcmp(fsec, "ps")) {
                                if (warnings)
                                        say(path, "Skip ps");
                        } else if (0 == strcmp(fsec, "ps")) {
                                if (warnings)
                                        say(path, "Skip ps");


@@ -582,44 +672,53 @@ treescan(void)
                                        say(path, "Skip pdf");
                                continue;
                        } else if ( ! use_all &&
                                        say(path, "Skip pdf");
                                continue;
                        } else if ( ! use_all &&

-                           ((FORM_SRC == dform && strcmp(fsec, dsec)) ||
+                           ((FORM_SRC == dform &&
+                             strncmp(fsec, dsec, strlen(dsec))) ||

                             (FORM_CAT == dform && strcmp(fsec, "0")))) {
                                if (warnings)
                                        say(path, "Wrong filename suffix");
                                continue;
                        } else
                                fsec[-1] = '\0';
                             (FORM_CAT == dform && strcmp(fsec, "0")))) {
                                if (warnings)
                                        say(path, "Wrong filename suffix");
                                continue;
                        } else
                                fsec[-1] = '\0';

+

                        mlink = mandoc_calloc(1, sizeof(struct mlink));
                        mlink = mandoc_calloc(1, sizeof(struct mlink));

-                       strlcpy(mlink->file, path, sizeof(mlink->file));
+                       if (strlcpy(mlink->file, path,
+                           sizeof(mlink->file)) >=
+                           sizeof(mlink->file)) {
+                               say(path, "Filename too long");
+                               free(mlink);
+                               continue;
+                       }

                        mlink->dform = dform;
                        mlink->dform = dform;

-                       if (NULL != dsec)
-                               mlink->dsec = mandoc_strdup(dsec);
-                       if (NULL != arch)
-                               mlink->arch = mandoc_strdup(arch);
-                       mlink->name = mandoc_strdup(ff->fts_name);
-                       if (NULL != fsec)
-                               mlink->fsec = mandoc_strdup(fsec);
+                       mlink->dsec = dsec;
+                       mlink->arch = arch;
+                       mlink->name = ff->fts_name;
+                       mlink->fsec = fsec;
+                       mlink->gzip = gzip;

                        mlink_add(mlink, ff->fts_statp);
                        continue;
                        mlink_add(mlink, ff->fts_statp);
                        continue;

-               } else if (FTS_D != ff->fts_info &&
-                               FTS_DP != ff->fts_info) {
+
+               case FTS_D:
+                       /* FALLTHROUGH */
+               case FTS_DP:
+                       break;
+
+               default:

                        if (warnings)
                                say(path, "Not a regular file");
                        continue;
                }
 
                switch (ff->fts_level) {
                        if (warnings)
                                say(path, "Not a regular file");
                        continue;
                }
 
                switch (ff->fts_level) {

-               case (0):
+               case 0:

                        /* Ignore the root directory. */
                        break;
                        /* 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.
                         */
                        /*
                         * 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)
                                break;
                        cp = ff->fts_name;
                        if (FTS_DP == ff->fts_info)
                                break;


@@ -630,23 +729,27 @@ treescan(void)
                        } else if (0 == strncmp(cp, "cat", 3)) {
                                dform = FORM_CAT;
                                dsec = cp + 3;
                        } else if (0 == strncmp(cp, "cat", 3)) {
                                dform = FORM_CAT;
                                dsec = cp + 3;

+                       } else {
+                               dform = FORM_NONE;
+                               dsec = NULL;

                        }
 
                        }
 

-                       if (NULL != dsec || use_all) 
+                       if (NULL != dsec || use_all)

                                break;
 
                        if (warnings)
                                say(path, "Unknown directory part");
                        fts_set(f, ff, FTS_SKIP);
                        break;
                                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.
                         */
                        /*
                         * Possibly our architecture.
                         * If we're descending, keep tabs on it.
                         */

-                       arch = NULL;

                        if (FTS_DP != ff->fts_info && NULL != dsec)
                                arch = ff->fts_name;
                        if (FTS_DP != ff->fts_info && NULL != dsec)
                                arch = ff->fts_name;

+                       else
+                               arch = NULL;

                        break;
                default:
                        if (FTS_DP == ff->fts_info || use_all)
                        break;
                default:
                        if (FTS_DP == ff->fts_info || use_all)


@@ -670,7 +773,7 @@ treescan(void)
  * Try to infer the manual section, architecture, and page name from the
  * path, assuming it looks like
  *
  * 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
  *
  *   or
  *   [./]cat<section>[/<arch>]/<name>.0
  *


@@ -689,26 +792,79 @@ filescan(const char *file)
        if (0 == strncmp(file, "./", 2))
                file += 2;
 
        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;
                exitcode = (int)MANDOCLEVEL_BADARG;

-               say(file, NULL);
+               say(file, "&lstat");

                return;
                return;

-       } else if (OP_TEST != op && strstr(buf, basedir) != buf) {
+       } else if (0 == ((S_IFREG | S_IFLNK) & st.st_mode)) {

                exitcode = (int)MANDOCLEVEL_BADARG;
                exitcode = (int)MANDOCLEVEL_BADARG;

-               say("", "%s: outside base directory", buf);
+               say(file, "Not a regular file");

                return;
                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;
                exitcode = (int)MANDOCLEVEL_BADARG;

-               say(file, NULL);
+               say(file, "&realpath");

                return;
                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;
                exitcode = (int)MANDOCLEVEL_BADARG;

-               say(file, "Not a regular file");
+               say("", "%s: outside base directory", buf);

                return;
        }
                return;
        }

-       start = buf + strlen(basedir);
+
+       /*
+        * 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 = mandoc_calloc(1, sizeof(struct mlink));

-       strlcpy(mlink->file, start, sizeof(mlink->file));
+       mlink->dform = FORM_NONE;
+       if (strlcpy(mlink->file, start, sizeof(mlink->file)) >=
+           sizeof(mlink->file)) {
+               say(start, "Filename too long");
+               free(mlink);
+               return;
+       }

 
        /*
         * First try to guess our directory structure.
 
        /*
         * First try to guess our directory structure.


@@ -720,16 +876,16 @@ filescan(const char *file)
                *p++ = '\0';
                if (0 == strncmp(start, "man", 3)) {
                        mlink->dform = FORM_SRC;
                *p++ = '\0';
                if (0 == strncmp(start, "man", 3)) {
                        mlink->dform = FORM_SRC;

-                       mlink->dsec = mandoc_strdup(start + 3);
+                       mlink->dsec = start + 3;

                } else if (0 == strncmp(start, "cat", 3)) {
                        mlink->dform = FORM_CAT;
                } else if (0 == strncmp(start, "cat", 3)) {
                        mlink->dform = FORM_CAT;

-                       mlink->dsec = mandoc_strdup(start + 3);
+                       mlink->dsec = start + 3;

                }
 
                start = p;
                if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
                        *p++ = '\0';
                }
 
                start = p;
                if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
                        *p++ = '\0';

-                       mlink->arch = mandoc_strdup(start);
+                       mlink->arch = start;

                        start = p;
                }
        }
                        start = p;
                }
        }


@@ -744,7 +900,7 @@ filescan(const char *file)
 
        if ('.' == *p) {
                *p++ = '\0';
 
        if ('.' == *p) {
                *p++ = '\0';

-               mlink->fsec = mandoc_strdup(p);
+               mlink->fsec = p;

        }
 
        /*
        }
 
        /*


@@ -756,8 +912,6 @@ filescan(const char *file)
                mlink->name = p + 1;
                *p = '\0';
        }
                mlink->name = p + 1;
                *p = '\0';
        }

-       mlink->name = mandoc_strdup(mlink->name);
-

        mlink_add(mlink, &st);
 }
 
        mlink_add(mlink, &st);
 }
 


@@ -770,14 +924,10 @@ mlink_add(struct mlink *mlink, const struct stat *st)
 
        assert(NULL != mlink->file);
 
 
        assert(NULL != mlink->file);
 

-       if (NULL == mlink->dsec)
-               mlink->dsec = mandoc_strdup("");
-       if (NULL == mlink->arch)
-               mlink->arch = mandoc_strdup("");
-       if (NULL == mlink->name)
-               mlink->name = mandoc_strdup("");
-       if (NULL == mlink->fsec)
-               mlink->fsec = mandoc_strdup("");
+       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 : "");

 
        if ('0' == *mlink->fsec) {
                free(mlink->fsec);
 
        if ('0' == *mlink->fsec) {
                free(mlink->fsec);


@@ -805,6 +955,7 @@ mlink_add(struct mlink *mlink, const struct stat *st)
        } else
                mlink->next = mpage->mlinks;
        mpage->mlinks = mlink;
        } else
                mlink->next = mpage->mlinks;
        mpage->mlinks = mlink;

+       mlink->mpage = mpage;

 }
 
 static void
 }
 
 static void


@@ -861,19 +1012,15 @@ mlinks_undupe(struct mpage *mpage)
                        mpage->form = FORM_NONE;
                        goto nextlink;
                }
                        mpage->form = FORM_NONE;
                        goto nextlink;
                }

-               if (strlcpy(buf, mlink->file, PATH_MAX) >= PATH_MAX) {
-                       if (warnings)
-                               say(mlink->file, "Filename too long");
-                       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';
                bufp = strstr(buf, "cat");
                assert(NULL != bufp);
                memcpy(bufp, "man", 3);
                if (NULL != (bufp = strrchr(buf, '.')))
                        *++bufp = '\0';

-               strlcat(buf, mlink->dsec, PATH_MAX);
+               (void)strlcat(buf, mlink->dsec, sizeof(buf));

                if (NULL == ohash_find(&mlinks,
                if (NULL == ohash_find(&mlinks,

-                               ohash_qlookup(&mlinks, buf)))
+                   ohash_qlookup(&mlinks, buf)))

                        goto nextlink;
                if (warnings)
                        say(mlink->file, "Man source exists: %s", buf);
                        goto nextlink;
                if (warnings)
                        say(mlink->file, "Man source exists: %s", buf);


@@ -887,6 +1034,63 @@ nextlink:
        }
 }
 
        }
 }
 

+static void
+mlink_check(struct mpage *mpage, struct mlink *mlink)
+{
+       struct str      *str;
+       unsigned int     slot;
+
+       /*
+        * 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).
+        */
+
+       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, sparc, 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 "mpages"
  * 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".


@@ -895,204 +1099,218 @@ nextlink:
  * and filename to determine whether the file is parsable or not.
  */
 static void
  * and filename to determine whether the file is parsable or not.
  */
 static void

-mpages_merge(struct mchars *mc, struct mparse *mp, int check_reachable)
+mpages_merge(struct mparse *mp)

 {
 {

-       struct ohash             title_table;
-       struct ohash_info        title_info, str_info;
-       struct mpage            *mpage;
+       char                     any[] = "any";
+       struct ohash_info        str_info;
+       struct mpage            *mpage, *mpage_dest;
+       struct mlink            *mlink, *mlink_dest;

        struct mdoc             *mdoc;
        struct man              *man;
        struct mdoc             *mdoc;
        struct man              *man;

-       struct title            *title_entry;
-       char                    *title_str;
-       const char              *cp;
-       int                      match;
-       unsigned int             pslot, tslot;
-       enum mandoclevel         lvl;
+       char                    *sodest;
+       char                    *cp;
+       int                      fd;
+       unsigned int             pslot;

 
        str_info.alloc = hash_alloc;
 
        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.data = NULL;

        str_info.key_offset = offsetof(struct str, key);
 
        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);
-       }
+       if ( ! nodb)
+               SQL_EXEC("BEGIN TRANSACTION");

 
        mpage = ohash_first(&mpages, &pslot);
 
        mpage = ohash_first(&mpages, &pslot);

-       while (NULL != mpage) {
+       while (mpage != NULL) {

                mlinks_undupe(mpage);
                mlinks_undupe(mpage);

-               if (NULL == mpage->mlinks) {
+               if ((mlink = mpage->mlinks) == NULL) {

                        mpage = ohash_next(&mpages, &pslot);
                        continue;
                }
 
                        mpage = ohash_next(&mpages, &pslot);
                        continue;
                }
 

+               name_mask = NAME_MASK;
+               ohash_init(&names, 4, &str_info);

                ohash_init(&strings, 6, &str_info);
                mparse_reset(mp);
                mdoc = NULL;
                man = NULL;
                ohash_init(&strings, 6, &str_info);
                mparse_reset(mp);
                mdoc = NULL;
                man = NULL;

-               match = 1;
+               sodest = NULL;
+
+               mparse_open(mp, &fd, mlink->file);
+               if (fd == -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 != mpage->mlinks->dform ||
-                   FORM_CAT != mpage->mlinks->fform) {
-                       lvl = mparse_readfd(mp, -1, mpage->mlinks->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);
+                       mparse_result(mp, &mdoc, &man, &sodest);

                }
 
                }
 

-               if (NULL != mdoc) {
+               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) {
+
+                               /* The .so target exists. */
+
+                               mpage_dest = mlink_dest->mpage;
+                               while (1) {
+                                       mlink->mpage = mpage_dest;
+
+                                       /*
+                                        * If the target was already
+                                        * processed, add the links
+                                        * to the database now.
+                                        * Otherwise, this will
+                                        * happen when we come
+                                        * to the target.
+                                        */
+
+                                       if (mpage_dest->pageid)
+                                               dbadd_mlink_name(mlink);
+
+                                       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 (mdoc != NULL) {

                        mpage->form = FORM_SRC;
                        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(
                        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);
                        mpage->title =
                            mandoc_strdup(mdoc_meta(mdoc)->title);

-               } else if (NULL != man) {
+               } else if (man != NULL) {

                        mpage->form = FORM_SRC;
                        mpage->form = FORM_SRC;

-                       mpage->sec =
-                           mandoc_strdup(man_meta(man)->msec);
-                       mpage->arch =
-                           mandoc_strdup(mpage->mlinks->arch);
-                       mpage->title =
-                           mandoc_strdup(man_meta(man)->title);
+                       mpage->sec = mandoc_strdup(man_meta(man)->msec);
+                       mpage->arch = mandoc_strdup(mlink->arch);
+                       mpage->title = mandoc_strdup(man_meta(man)->title);

                } else {
                        mpage->form = FORM_CAT;
                } else {
                        mpage->form = FORM_CAT;

-                       mpage->sec =
-                           mandoc_strdup(mpage->mlinks->dsec);
-                       mpage->arch =
-                           mandoc_strdup(mpage->mlinks->arch);
-                       mpage->title =
-                           mandoc_strdup(mpage->mlinks->name);
+                       mpage->sec = mandoc_strdup(mlink->dsec);
+                       mpage->arch = mandoc_strdup(mlink->arch);
+                       mpage->title = mandoc_strdup(mlink->name);

                }
                }

-
-               /*
-                * 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_SRC == mpage->form &&
-                   strcasecmp(mpage->sec, mpage->mlinks->dsec)) {
-                       match = 0;
-                       say(mpage->mlinks->file, "Section \"%s\" "
-                               "manual in %s directory",
-                               mpage->sec, mpage->mlinks->dsec);
+               putkey(mpage, mpage->sec, TYPE_sec);
+               if (*mpage->arch != '\0')
+                       putkey(mpage, mpage->arch, TYPE_arch);
+
+               for ( ; mlink != NULL; mlink = mlink->next) {
+                       if ('\0' != *mlink->dsec)
+                               putkey(mpage, mlink->dsec, TYPE_sec);
+                       if ('\0' != *mlink->fsec)
+                               putkey(mpage, mlink->fsec, TYPE_sec);
+                       putkey(mpage, '\0' == *mlink->arch ?
+                           any : mlink->arch, TYPE_arch);
+                       putkey(mpage, mlink->name, NAME_FILE);

                }
 
                }
 

-               /*
-                * 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(mpage->arch, mpage->mlinks->arch)) {
-                       match = 0;
-                       say(mpage->mlinks->file, "Architecture \"%s\" "
-                               "manual in \"%s\" directory",
-                               mpage->arch, mpage->mlinks->arch);
-               }
-               if (warnings && !use_all &&
-                   strcasecmp(mpage->title, mpage->mlinks->name))
-                       match = 0;
-
-               putkey(mpage, mpage->mlinks->name, TYPE_Nm);
-
-               if (NULL != mdoc) {
-                       if (NULL != (cp = mdoc_meta(mdoc)->name))
-                               putkey(mpage, cp, TYPE_Nm);
-                       assert(NULL == mpage->desc);
-                       parse_mdoc(mpage, mdoc_node(mdoc));
-                       putkey(mpage, NULL != mpage->desc ?
-                           mpage->desc : mpage->mlinks->name, TYPE_Nd);
-               } 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
                else

-                       parse_cat(mpage);
+                       parse_cat(mpage, fd);
+               if (mpage->desc == NULL)
+                       mpage->desc = mandoc_strdup(mpage->mlinks->name);

 
 

-               /*
-                * 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 (warnings && !use_all)
+                       for (mlink = mpage->mlinks; mlink;
+                            mlink = mlink->next)
+                               mlink_check(mpage, mlink);

 
 

-               if (check_reachable) {
-                       if (-1 == asprintf(&title_str, "%s(%s%s%s)",
-                           mpage->title, mpage->sec,
-                           '\0' == *mpage->arch ? "" : "/",
-                           mpage->arch)) {
-                               perror(NULL);
-                               exit((int)MANDOCLEVEL_SYSERR);
-                       }
-                       tslot = ohash_qlookup(&title_table, title_str);
-                       title_entry = ohash_find(&title_table, tslot);
-                       if (NULL == title_entry) {
-                               title_entry = mandoc_malloc(
-                                               sizeof(struct title));
-                               title_entry->title = title_str;
-                               title_entry->file = mandoc_strdup(
-                                   match ? "" : mpage->mlinks->file);
-                               ohash_insert(&title_table, tslot,
-                                               title_entry);
-                       } else {
-                               if (match)
-                                       *title_entry->file = '\0';
-                               free(title_str);
-                       }
-               }
+               dbadd(mpage);
+               mlink = mpage->mlinks;

 
 

-               dbindex(mpage, mc);
+nextpage:
+               if (mparse_wait(mp) != MANDOCLEVEL_OK) {
+                       exitcode = (int)MANDOCLEVEL_SYSERR;
+                       say(mlink->file, "&wait gunzip");
+               }

                ohash_delete(&strings);
                ohash_delete(&strings);

+               ohash_delete(&names);

                mpage = ohash_next(&mpages, &pslot);
        }
 
                mpage = ohash_next(&mpages, &pslot);
        }
 

-       if (check_reachable) {
-               title_entry = ohash_first(&title_table, &tslot);
-               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, &tslot);
-               }
-               ohash_delete(&title_table);
+       if (0 == nodb)
+               SQL_EXEC("END TRANSACTION");
+}
+
+static void
+names_check(void)
+{
+       sqlite3_stmt    *stmt;
+       const char      *name, *sec, *arch, *key;
+       int              irc;
+
+       sqlite3_prepare_v2(db,
+         "SELECT name, sec, arch, key FROM ("
+           "SELECT name AS key, pageid FROM names "
+           "WHERE bits & ? AND NOT EXISTS ("
+             "SELECT pageid FROM mlinks "
+             "WHERE mlinks.pageid == names.pageid "
+             "AND mlinks.name == names.name"
+           ")"
+         ") JOIN ("
+           "SELECT sec, arch, name, pageid FROM mlinks "
+           "GROUP BY pageid"
+         ") USING (pageid);",
+         -1, &stmt, NULL);
+
+       if (SQLITE_OK != sqlite3_bind_int64(stmt, 1, NAME_TITLE))
+               say("", "%s", sqlite3_errmsg(db));
+
+       while (SQLITE_ROW == (irc = sqlite3_step(stmt))) {
+               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);

        }
        }

+       sqlite3_finalize(stmt);

 }
 
 static void
 }
 
 static void

-parse_cat(struct mpage *mpage)
+parse_cat(struct mpage *mpage, int fd)

 {
        FILE            *stream;
        char            *line, *p, *title;
        size_t           len, plen, titlesz;
 
 {
        FILE            *stream;
        char            *line, *p, *title;
        size_t           len, plen, titlesz;
 

-       if (NULL == (stream = fopen(mpage->mlinks->file, "r"))) {
+       stream = (-1 == fd) ?
+           fopen(mpage->mlinks->file, "r") :
+           fdopen(fd, "r");
+       if (NULL == stream) {
+               if (-1 != fd)
+                       close(fd);

                if (warnings)
                if (warnings)

-                       say(mpage->mlinks->file, NULL);
+                       say(mpage->mlinks->file, "&fopen");

                return;
        }
 
                return;
        }
 


@@ -1110,7 +1328,7 @@ parse_cat(struct mpage *mpage)
        while (NULL != (line = fgetln(stream, &len)))
                if ('\n' != *line && ' ' != *line)
                        break;
        while (NULL != (line = fgetln(stream, &len)))
                if ('\n' != *line && ' ' != *line)
                        break;

-       
+

        /*
         * Read up until the next section into a buffer.
         * Strip the leading and trailing newline from each read line,
        /*
         * Read up until the next section into a buffer.
         * Strip the leading and trailing newline from each read line,


@@ -1147,9 +1365,6 @@ parse_cat(struct mpage *mpage)
                if (warnings)
                        say(mpage->mlinks->file,
                            "Cannot find NAME section");
                if (warnings)
                        say(mpage->mlinks->file,
                            "Cannot find NAME section");

-               assert(NULL == mpage->desc);
-               mpage->desc = mandoc_strdup(mpage->mlinks->name);
-               putkey(mpage, mpage->mlinks->name, TYPE_Nd);

                fclose(stream);
                free(title);
                return;
                fclose(stream);
                free(title);
                return;


@@ -1183,14 +1398,12 @@ parse_cat(struct mpage *mpage)
                if (0 == len) {
                        memmove(line, line + 1, plen--);
                        continue;
                if (0 == len) {
                        memmove(line, line + 1, plen--);
                        continue;

-               } 
+               }

                memmove(line - 1, line + 1, plen - len);
                plen -= 2;
        }
 
                memmove(line - 1, line + 1, plen - len);
                plen -= 2;
        }
 

-       assert(NULL == mpage->desc);

        mpage->desc = mandoc_strdup(p);
        mpage->desc = mandoc_strdup(p);

-       putkey(mpage, mpage->desc, TYPE_Nd);

        fclose(stream);
        free(title);
 }
        fclose(stream);
        free(title);
 }


@@ -1199,10 +1412,15 @@ parse_cat(struct mpage *mpage)
  * Put a type/word pair into the word database for this particular file.
  */
 static void
  * Put a type/word pair into the word database for this particular file.
  */
 static void

-putkey(const struct mpage *mpage, const char *value, uint64_t type)
+putkey(const struct mpage *mpage, char *value, uint64_t type)

 {
 {

+       char     *cp;

 
        assert(NULL != value);
 
        assert(NULL != value);

+       if (TYPE_arch == type)
+               for (cp = value; *cp; cp++)
+                       if (isupper((unsigned char)*cp))
+                               *cp = _tolower((unsigned char)*cp);

        putkeys(mpage, value, strlen(value), type);
 }
 
        putkeys(mpage, value, strlen(value), type);
 }
 


@@ -1223,12 +1441,13 @@ putmdockey(const struct mpage *mpage,
 }
 
 static void
 }
 
 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;
 {
        const struct man_node *head, *body;

-       char            *start, *sv, *title;
+       char            *start, *title;

        char             byte;
        char             byte;

-       size_t           sz, titlesz;
+       size_t           sz;

 
        if (NULL == n)
                return;
 
        if (NULL == n)
                return;


@@ -1244,15 +1463,11 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                body = n;
                assert(body->parent);
                if (NULL != (head = body->parent->head) &&
                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;
+                   1 == head->nchild &&
+                   NULL != (head = (head->child)) &&
+                   MAN_TEXT == head->type &&
+                   0 == strcmp(head->string, "NAME") &&
+                   NULL != body->child) {

 
                        /*
                         * Suck the entire NAME section into memory.
 
                        /*
                         * Suck the entire NAME section into memory.


@@ -1261,48 +1476,12 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                         * NAME sections over many lines.
                         */
 
                         * 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;
+                       man_deroff(&title, body);

                        if (NULL == title)
                                return;
 
                        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
                         * Go through a special heuristic dance here.
                         * Conventionally, one or more manual names are
                         * comma-specified prior to a whitespace, then a


@@ -1310,6 +1489,7 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                         * the name parts here.
                         */
 
                         * the name parts here.
                         */
 

+                       start = title;

                        for ( ;; ) {
                                sz = strcspn(start, " ,");
                                if ('\0' == start[sz])
                        for ( ;; ) {
                                sz = strcspn(start, " ,");
                                if ('\0' == start[sz])


@@ -1318,7 +1498,21 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                                byte = start[sz];
                                start[sz] = '\0';
 
                                byte = start[sz];
                                start[sz] = '\0';
 

-                               putkey(mpage, 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;
 
                                if (' ' == byte) {
                                        start += sz + 1;


@@ -1331,8 +1525,13 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                                        start++;
                        }
 
                                        start++;
                        }
 

-                       if (sv == start) {
-                               putkey(mpage, 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;
                        }
                                free(title);
                                return;
                        }


@@ -1354,9 +1553,7 @@ parse_man(struct mpage *mpage, const struct man_node *n)
                        while (' ' == *start)
                                start++;
 
                        while (' ' == *start)
                                start++;
 

-                       assert(NULL == mpage->desc);

                        mpage->desc = mandoc_strdup(start);
                        mpage->desc = mandoc_strdup(start);

-                       putkey(mpage, mpage->desc, TYPE_Nd);

                        free(title);
                        return;
                }
                        free(title);
                        return;
                }


@@ -1365,28 +1562,29 @@ parse_man(struct mpage *mpage, const struct man_node *n)
        for (n = n->child; n; n = n->next) {
                if (NULL != mpage->desc)
                        break;
        for (n = n->child; n; n = n->next) {
                if (NULL != mpage->desc)
                        break;

-               parse_man(mpage, n);
+               parse_man(mpage, meta, n);

        }
 }
 
 static void
        }
 }
 
 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);
        for (n = n->child; NULL != n; n = n->next) {
                switch (n->type) {
 {
 
        assert(NULL != n);
        for (n = n->child; NULL != n; n = n->next) {
                switch (n->type) {

-               case (MDOC_ELEM):
+               case MDOC_ELEM:

                        /* FALLTHROUGH */
                        /* FALLTHROUGH */

-               case (MDOC_BLOCK):
+               case MDOC_BLOCK:

                        /* FALLTHROUGH */
                        /* FALLTHROUGH */

-               case (MDOC_HEAD):
+               case MDOC_HEAD:

                        /* FALLTHROUGH */
                        /* FALLTHROUGH */

-               case (MDOC_BODY):
+               case MDOC_BODY:

                        /* FALLTHROUGH */
                        /* FALLTHROUGH */

-               case (MDOC_TAIL):
+               case MDOC_TAIL:

                        if (NULL != mdocs[n->tok].fp)
                        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,
                                       break;
                        if (mdocs[n->tok].mask)
                                putmdockey(mpage, n->child,


@@ -1397,19 +1595,20 @@ parse_mdoc(struct mpage *mpage, const struct mdoc_node *n)
                        continue;
                }
                if (NULL != n->child)
                        continue;
                }
                if (NULL != n->child)

-                       parse_mdoc(mpage, n);
+                       parse_mdoc(mpage, meta, n);

        }
 }
 
 static int
        }
 }
 
 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;
+       char            *start, *end;

        size_t           sz;
 
        if (SEC_SYNOPSIS != n->sec ||
        size_t           sz;
 
        if (SEC_SYNOPSIS != n->sec ||

-                       NULL == (n = n->child) || 
-                       MDOC_TEXT != n->type)
+           NULL == (n = n->child) ||
+           MDOC_TEXT != n->type)

                return(0);
 
        /*
                return(0);
 
        /*


@@ -1441,66 +1640,64 @@ parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_node *n)
 
        if (end > start)
                putkeys(mpage, start, end - start + 1, TYPE_In);
 
        if (end > start)
                putkeys(mpage, start, end - start + 1, TYPE_In);

-       return(1);
+       return(0);

 }
 
 }
 

-static int
-parse_mdoc_In(struct mpage *mpage, const struct mdoc_node *n)
+static void
+parse_mdoc_fname(struct mpage *mpage, const struct mdoc_node *n)

 {
 {

+       char    *cp;
+       size_t   sz;

 
 

-       if (NULL != n->child && MDOC_TEXT == n->child->type)
-               return(0);
+       if (n->type != MDOC_TEXT)
+               return;

 
 

-       putkey(mpage, n->child->string, TYPE_In);
-       return(1);
+       /* Skip function pointer punctuation. */
+
+       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
 }
 
 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)

 {
 {

-       const char      *cp;

 
 

-       if (NULL == (n = n->child) || MDOC_TEXT != n->type)
+       if (n->child == NULL)

                return(0);
 
                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. 
-        */
-
-       if (NULL == (cp = strrchr(n->string, ' ')))
-               cp = n->string;
+       parse_mdoc_fname(mpage, n->child);

 
 

-       while ('*' == *cp)
-               cp++;
-
-       putkey(mpage, cp, TYPE_Fn);
-
-       if (n->string < cp)
-               putkeys(mpage, n->string, cp - n->string, TYPE_Ft);
-
-       for (n = n->next; NULL != n; n = n->next)
-               if (MDOC_TEXT == n->type)
+       for (n = n->child->next; n != NULL; n = n->next)
+               if (n->type == MDOC_TEXT)

                        putkey(mpage, n->string, TYPE_Fa);
 
        return(0);
 }
 
 static int
                        putkey(mpage, n->string, TYPE_Fa);
 
        return(0);
 }
 
 static int

-parse_mdoc_St(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Fo(struct mpage *mpage, const struct mdoc_meta *meta,
+       const struct mdoc_node *n)

 {
 
 {
 

-       if (NULL == n->child || MDOC_TEXT != n->child->type)
-               return(0);
+       if (n->type != MDOC_HEAD)
+               return(1);

 
 

-       putkey(mpage, n->child->string, TYPE_St);
-       return(1);
+       if (n->child != NULL)
+               parse_mdoc_fname(mpage, n->child);
+
+       return(0);

 }
 
 static int
 }
 
 static int

-parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_node *n)
+parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_meta *meta,
+       const struct mdoc_node *n)

 {
        char    *cp;
 
 {
        char    *cp;
 


@@ -1512,74 +1709,63 @@ parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_node *n)
                return(0);
        }
 
                return(0);
        }
 

-       if (-1 == asprintf(&cp, "%s(%s)", n->string, n->next->string)) {
-               perror(NULL);
-               exit((int)MANDOCLEVEL_SYSERR);
-       }
+       mandoc_asprintf(&cp, "%s(%s)", n->string, n->next->string);

        putkey(mpage, cp, TYPE_Xr);
        free(cp);
        return(0);
 }
 
 static int
        putkey(mpage, cp, TYPE_Xr);
        free(cp);
        return(0);
 }
 
 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)

 {
 {

-       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 != mpage->desc) {
-                               sz = strlen(mpage->desc) +
-                                    strlen(n->string) + 2;
-                               mpage->desc = mandoc_realloc(
-                                   mpage->desc, sz);
-                               strlcat(mpage->desc, " ", sz);
-                               strlcat(mpage->desc, n->string, sz);
-                       } else
-                               mpage->desc = mandoc_strdup(n->string);
-               }
-               if (NULL != n->child)
-                       parse_mdoc_Nd(mpage, n);
-       }
-       return(1);
+       if (MDOC_BODY == n->type)
+               mdoc_deroff(&mpage->desc, n);
+       return(0);

 }
 
 static int
 }
 
 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)
 {
 
        if (SEC_NAME == n->sec)

-               return(1);
-       else if (SEC_SYNOPSIS != n->sec || MDOC_HEAD != n->type)
-               return(0);
-
-       return(1);
+               putmdockey(mpage, n->child, NAME_TITLE);
+       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
 }
 
 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
 {
 
        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
 {
 
        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);
 {
 
        return(MDOC_BODY == n->type);


@@ -1591,30 +1777,54 @@ parse_mdoc_body(struct mpage *mpage, const struct mdoc_node *n)
  * When we finish the manual, we'll dump the table.
  */
 static void
  * When we finish the manual, we'll dump the table.
  */
 static void

-putkeys(const struct mpage *mpage,
-       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;
        struct str      *s;

-       unsigned int     slot;

        const char      *end;
        const char      *end;

+       unsigned int     slot;
+       int              i, mustfree;

 
        if (0 == sz)
                return;
 
 
        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=%d", sz, cp, v);
+       } else {
+               htab = &strings;
+               if (debug > 1)
+                   for (i = 0; i < mansearch_keymax; i++)
+                       if ((uint64_t)1 << i & v)
+                           say(mpage->mlinks->file,
+                               "Adding key %s=%*s",
+                               mansearch_keynames[i], sz, cp);
+       }
+

        end = cp + sz;
        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 && mpage == s->mpage) {
                s->mask |= v;
                return;
        } else if (NULL == s) {
 
        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);
                memcpy(s->key, cp, sz);

-               ohash_insert(&strings, slot, s);
+               ohash_insert(htab, slot, s);

        }
        s->mpage = mpage;
        s->mask = v;
        }
        s->mpage = mpage;
        s->mask = v;

+
+       if (mustfree)
+               free(cp);

 }
 
 /*
 }
 
 /*


@@ -1670,185 +1880,262 @@ utf8(unsigned int cp, char out[7])
 }
 
 /*
 }
 
 /*

- * 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[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':
+                       /* FALLTHROUGH */
+               case ASCII_NBRSP:
+                       dst[dsz++] = ' ';
+                       scp++;

                        continue;
                        continue;

-               } else if ('\t' == *val || ASCII_NBRSP == *val) {
-                       buf[pos++] = ' ';
-                       val++;
+               case ASCII_HYPH:
+                       dst[dsz++] = '-';
+                       /* FALLTHROUGH */
+               case ASCII_BREAK:
+                       scp++;

                        continue;
                        continue;

-               } else if ('\\' != *val)
-                       break;
-
-               /* Read past the slash. */
-
-               val++;
+               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;
 
                /*
                        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(mchars, seq, seqlen);
+                       if (unicode <= 0)
+                               continue;
+                       addsz = utf8(unicode, utfbuf);
+                       if (addsz == 0)
+                               continue;
+                       addcp = utfbuf;
+               } else {
+                       addcp = mchars_spec2str(mchars, seq, seqlen, &addsz);
+                       if (addcp == NULL)
+                               continue;
+                       if (*addcp == ASCII_NBRSP) {
+                               addcp = " ";
+                               addsz = 1;
+                       }
+               }

 
                /* Copy the rendered glyph into the stream. */
 
 
                /* 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;
+       }
+
+       /* Trim trailing whitespace and NUL-terminate. */

 
 

-               buf = mandoc_realloc(buf, bsz);
+       while (*psz > 0 && (*public)[*psz - 1] == ' ')
+               --*psz;
+       if (dst != NULL) {
+               (*public)[*psz] = '\0';
+               return(1);
+       } else
+               return(0);
+}

 
 

-               memcpy(&buf[pos], cpp, sz);
-               pos += sz;
+static void
+dbadd_mlink(const struct mlink *mlink)
+{
+       size_t           i;
+
+       i = 1;
+       SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->dsec);
+       SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->arch);
+       SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->name);
+       SQL_BIND_INT64(stmts[STMT_INSERT_LINK], i, mlink->mpage->pageid);
+       SQL_STEP(stmts[STMT_INSERT_LINK]);
+       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]);

        }
 
        }
 

-       buf[pos] = '\0';
-       key->utf8 = buf;
+       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
  * little faster.
 }
 
 /*
  * 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
  */
 static void

-dbindex(const struct mpage *mpage, struct mchars *mc)
+dbadd(struct mpage *mpage)

 {
        struct mlink    *mlink;
        struct str      *key;
 {
        struct mlink    *mlink;
        struct str      *key;

-       const char      *desc;
-       int64_t          recno;
+       char            *cp;

        size_t           i;
        unsigned int     slot;
        size_t           i;
        unsigned int     slot;

-
-       if (verb)
-               say(mpage->mlinks->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;
                return;

-
-       desc = "";
-       if (NULL != mpage->desc && '\0' != *mpage->desc) {
-               key = ohash_find(&strings,
-                       ohash_qlookup(&strings, mpage->desc));
-               assert(NULL != key);
-               if (NULL == key->utf8)
-                       utf8key(mc, key);
-               desc = key->utf8;

        }
 
        }
 

-       SQL_EXEC("BEGIN TRANSACTION");
+       if (debug)
+               say(mlink->file, "Adding to database");

 
 

+       cp = mpage->desc;
+       i = strlen(cp);
+       mustfree = render_string(&cp, &i);

        i = 1;
        i = 1;

-       /*
-        * XXX The following three lines are obsolete
-        * and only kept for backward compatibility
-        * until apropos(1) and friends have caught up.
-        */
-       SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, mpage->mlinks->file);
-       SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, mpage->mlinks->dsec);
-       SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, mpage->mlinks->arch);
-       SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, desc);
-       SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, FORM_SRC == mpage->form);
+       SQL_BIND_TEXT(stmts[STMT_INSERT_PAGE], i, cp);
+       SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, mpage->form);

        SQL_STEP(stmts[STMT_INSERT_PAGE]);
        SQL_STEP(stmts[STMT_INSERT_PAGE]);

-       recno = sqlite3_last_insert_rowid(db);
+       mpage->pageid = sqlite3_last_insert_rowid(db);

        sqlite3_reset(stmts[STMT_INSERT_PAGE]);
        sqlite3_reset(stmts[STMT_INSERT_PAGE]);

+       if (mustfree)
+               free(cp);

 
 

-       for (mlink = mpage->mlinks; mlink; mlink = mlink->next) {
-               i = 1;
-               SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->file);
-               SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->dsec);
-               SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->arch);
-               SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->name);
-               SQL_BIND_INT64(stmts[STMT_INSERT_LINK], i, recno);
-               SQL_STEP(stmts[STMT_INSERT_LINK]);
-               sqlite3_reset(stmts[STMT_INSERT_LINK]);
+       while (NULL != mlink) {
+               dbadd_mlink(mlink);
+               mlink = mlink->next;

        }
        }

+       mlink = mpage->mlinks;

 
 

+       for (key = ohash_first(&names, &slot); NULL != key;
+            key = ohash_next(&names, &slot)) {
+               assert(key->mpage == mpage);
+               i = 1;
+               SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, key->mask);
+               SQL_BIND_TEXT(stmts[STMT_INSERT_NAME], i, key->key);
+               SQL_BIND_INT64(stmts[STMT_INSERT_NAME], i, mpage->pageid);
+               SQL_STEP(stmts[STMT_INSERT_NAME]);
+               sqlite3_reset(stmts[STMT_INSERT_NAME]);
+               free(key);
+       }

        for (key = ohash_first(&strings, &slot); NULL != key;
             key = ohash_next(&strings, &slot)) {
                assert(key->mpage == mpage);
        for (key = ohash_first(&strings, &slot); NULL != key;
             key = ohash_next(&strings, &slot)) {
                assert(key->mpage == mpage);

-               if (NULL == key->utf8)
-                       utf8key(mc, key);

                i = 1;
                SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
                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_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->key);
+               SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, mpage->pageid);

                SQL_STEP(stmts[STMT_INSERT_KEY]);
                sqlite3_reset(stmts[STMT_INSERT_KEY]);
                SQL_STEP(stmts[STMT_INSERT_KEY]);
                sqlite3_reset(stmts[STMT_INSERT_KEY]);

-               if (key->utf8 != key->key)
-                       free(key->utf8);

                free(key);
        }
                free(key);
        }

-
-       SQL_EXEC("END TRANSACTION");

 }
 
 static void
 }
 
 static void


@@ -1859,20 +2146,31 @@ dbprune(void)
        size_t           i;
        unsigned int     slot;
 
        size_t           i;
        unsigned int     slot;
 

-       if (nodb)
-               return;
+       if (0 == nodb)
+               SQL_EXEC("BEGIN TRANSACTION");

 
 

-       mpage = ohash_first(&mpages, &slot);
-       while (NULL != mpage) {
+       for (mpage = ohash_first(&mpages, &slot); NULL != mpage;
+            mpage = ohash_next(&mpages, &slot)) {

                mlink = mpage->mlinks;
                mlink = mpage->mlinks;

-               i = 1;
-               SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE], i, mlink->file);
-               SQL_STEP(stmts[STMT_DELETE_PAGE]);
-               sqlite3_reset(stmts[STMT_DELETE_PAGE]);
-               if (verb)
-                       say(mlink->file, "Deleted from index");
-               mpage = ohash_next(&mpages, &slot);
+               if (debug)
+                       say(mlink->file, "Deleting from database");
+               if (nodb)
+                       continue;
+               for ( ; NULL != mlink; mlink = mlink->next) {
+                       i = 1;
+                       SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
+                           i, mlink->dsec);
+                       SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
+                           i, mlink->arch);
+                       SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
+                           i, mlink->name);
+                       SQL_STEP(stmts[STMT_DELETE_PAGE]);
+                       sqlite3_reset(stmts[STMT_DELETE_PAGE]);
+               }

        }
        }

+
+       if (0 == nodb)
+               SQL_EXEC("END TRANSACTION");

 }
 
 /*
 }
 
 /*


@@ -1883,6 +2181,8 @@ static void
 dbclose(int real)
 {
        size_t           i;
 dbclose(int real)
 {
        size_t           i;

+       int              status;
+       pid_t            child;

 
        if (nodb)
                return;
 
        if (nodb)
                return;


@@ -1898,9 +2198,59 @@ dbclose(int real)
        if (real)
                return;
 
        if (real)
                return;
 

-       if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) {
+       if ('\0' == *tempfilename) {
+               if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) {
+                       exitcode = (int)MANDOCLEVEL_SYSERR;
+                       say(MANDOC_DB, "&rename");
+               }
+               return;
+       }
+
+       switch (child = fork()) {
+       case -1:

                exitcode = (int)MANDOCLEVEL_SYSERR;
                exitcode = (int)MANDOCLEVEL_SYSERR;

-               say(MANDOC_DB, NULL);
+               say("", "&fork cmp");
+               return;
+       case 0:
+               execlp("cmp", "cmp", "-s",
+                   tempfilename, MANDOC_DB, NULL);
+               say("", "&exec cmp");
+               exit(0);
+       default:
+               break;
+       }
+       if (-1 == waitpid(child, &status, 0)) {
+               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");
+       }
+
+       *strrchr(tempfilename, '/') = '\0';
+       switch (child = fork()) {
+       case -1:
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say("", "&fork rm");
+               return;
+       case 0:
+               execlp("rm", "rm", "-rf", tempfilename, NULL);
+               say("", "&exec rm");
+               exit((int)MANDOCLEVEL_SYSERR);
+       default:
+               break;
+       }
+       if (-1 == waitpid(child, &status, 0)) {
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say("", "&wait rm");
+       } else if (WIFSIGNALED(status) || WEXITSTATUS(status)) {
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say("", "%s: Cannot remove temporary directory",
+                   tempfilename);

        }
 }
 
        }
 }
 


@@ -1915,92 +2265,118 @@ dbclose(int real)
 static int
 dbopen(int real)
 {
 static int
 dbopen(int real)
 {

-       const char      *file, *sql;
+       const char      *sql;

        int              rc, ofl;
 
        int              rc, ofl;
 

-       if (nodb) 
+       if (nodb)

                return(1);
 
                return(1);
 

+       *tempfilename = '\0';

        ofl = SQLITE_OPEN_READWRITE;
        ofl = SQLITE_OPEN_READWRITE;

-       if (0 == real) {
-               file = MANDOC_DB "~";
-               if (-1 == remove(file) && ENOENT != errno) {
+
+       if (real) {
+               rc = sqlite3_open_v2(MANDOC_DB, &db, ofl, NULL);
+               if (SQLITE_OK != rc) {

                        exitcode = (int)MANDOCLEVEL_SYSERR;
                        exitcode = (int)MANDOCLEVEL_SYSERR;

-                       say(file, NULL);
+                       if (SQLITE_CANTOPEN != rc)
+                               say(MANDOC_DB, "%s", sqlite3_errstr(rc));

                        return(0);
                }
                        return(0);
                }

-               ofl |= SQLITE_OPEN_EXCLUSIVE;
-       } else
-               file = MANDOC_DB;
-
-       rc = sqlite3_open_v2(file, &db, ofl, NULL);
-       if (SQLITE_OK == rc) 

                goto prepare_statements;
                goto prepare_statements;

-       if (SQLITE_CANTOPEN != rc) {
+       }
+
+       ofl |= SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE;
+
+       remove(MANDOC_DB "~");
+       rc = sqlite3_open_v2(MANDOC_DB "~", &db, ofl, NULL);
+       if (SQLITE_OK == rc)
+               goto create_tables;
+       if (MPARSE_QUICK & mparse_options) {

                exitcode = (int)MANDOCLEVEL_SYSERR;
                exitcode = (int)MANDOCLEVEL_SYSERR;

-               say(file, NULL);
+               say(MANDOC_DB "~", "%s", sqlite3_errstr(rc));

                return(0);
        }
 
                return(0);
        }
 

-       sqlite3_close(db);
-       db = NULL;
-
-       if (SQLITE_OK != (rc = sqlite3_open(file, &db))) {
+       (void)strlcpy(tempfilename, "/tmp/mandocdb.XXXXXX",
+           sizeof(tempfilename));
+       if (NULL == mkdtemp(tempfilename)) {
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say("", "&%s", tempfilename);
+               return(0);
+       }
+       (void)strlcat(tempfilename, "/" MANDOC_DB,
+           sizeof(tempfilename));
+       rc = sqlite3_open_v2(tempfilename, &db, ofl, NULL);
+       if (SQLITE_OK != rc) {

                exitcode = (int)MANDOCLEVEL_SYSERR;
                exitcode = (int)MANDOCLEVEL_SYSERR;

-               say(file, NULL);
+               say("", "%s: %s", tempfilename, sqlite3_errstr(rc));

                return(0);
        }
 
                return(0);
        }
 

-       /*
-        * XXX The first three columns in table mpages are obsolete
-        * and only kept for backward compatibility
-        * until apropos(1) and friends have caught up.
-        */
+create_tables:

        sql = "CREATE TABLE \"mpages\" (\n"
        sql = "CREATE TABLE \"mpages\" (\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"
              " \"desc\" TEXT NOT NULL,\n"
              " \"form\" INTEGER NOT NULL,\n"

-             " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
+             " \"pageid\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"

              ");\n"
              "\n"
              "CREATE TABLE \"mlinks\" (\n"
              ");\n"
              "\n"
              "CREATE TABLE \"mlinks\" (\n"

-             " \"file\" TEXT NOT NULL,\n"

              " \"sec\" TEXT NOT NULL,\n"
              " \"arch\" TEXT NOT NULL,\n"
              " \"name\" TEXT NOT NULL,\n"
              " \"sec\" TEXT NOT NULL,\n"
              " \"arch\" TEXT NOT NULL,\n"
              " \"name\" TEXT NOT NULL,\n"

-             " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
+             " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) "
+               "ON DELETE CASCADE\n"
+             ");\n"
+             "CREATE INDEX mlinks_pageid_idx ON mlinks (pageid);\n"
+             "\n"
+             "CREATE TABLE \"names\" (\n"
+             " \"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"

-             " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
+             " UNIQUE (\"name\", \"pageid\") ON CONFLICT REPLACE\n"

              ");\n"
              "\n"
              "CREATE TABLE \"keys\" (\n"
              " \"bits\" INTEGER NOT NULL,\n"
              " \"key\" TEXT NOT NULL,\n"
              ");\n"
              "\n"
              "CREATE TABLE \"keys\" (\n"
              " \"bits\" INTEGER NOT NULL,\n"
              " \"key\" TEXT NOT NULL,\n"

-             " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
-               "ON DELETE CASCADE,\n"
-             " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
+             " \"pageid\" INTEGER NOT NULL REFERENCES mpages(pageid) "
+               "ON DELETE CASCADE\n"

              ");\n"
              ");\n"

-             "\n"
-             "CREATE INDEX \"key_index\" ON keys (key);\n";
+             "CREATE INDEX keys_pageid_idx ON keys (pageid);\n";

 
        if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
                exitcode = (int)MANDOCLEVEL_SYSERR;
 
        if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
                exitcode = (int)MANDOCLEVEL_SYSERR;

-               say(file, "%s", sqlite3_errmsg(db));
+               say(MANDOC_DB, "%s", sqlite3_errmsg(db));
+               sqlite3_close(db);

                return(0);
        }
 
 prepare_statements:
                return(0);
        }
 
 prepare_statements:

-       SQL_EXEC("PRAGMA foreign_keys = ON");
-       sql = "DELETE FROM mpages where file=?";
+       if (SQLITE_OK != sqlite3_exec(db,
+           "PRAGMA foreign_keys = ON", NULL, NULL, NULL)) {
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say(MANDOC_DB, "PRAGMA foreign_keys: %s",
+                   sqlite3_errmsg(db));
+               sqlite3_close(db);
+               return(0);
+       }
+
+       sql = "DELETE FROM mpages WHERE pageid IN "
+               "(SELECT pageid FROM mlinks WHERE "
+               "sec=? AND arch=? AND name=?)";

        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE_PAGE], NULL);
        sql = "INSERT INTO mpages "
        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE_PAGE], NULL);
        sql = "INSERT INTO mpages "

-               "(file,sec,arch,desc,form) VALUES (?,?,?,?,?)";
+               "(desc,form) VALUES (?,?)";

        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_PAGE], NULL);
        sql = "INSERT INTO mlinks "
        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_PAGE], NULL);
        sql = "INSERT INTO mlinks "

-               "(file,sec,arch,name,pageid) VALUES (?,?,?,?,?)";
+               "(sec,arch,name,pageid) VALUES (?,?,?,?)";

        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_LINK], NULL);
        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);

        sql = "INSERT INTO keys "
                "(bits,key,pageid) VALUES (?,?,?)";
        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);
        sql = "INSERT INTO keys "
                "(bits,key,pageid) VALUES (?,?,?)";
        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);


@@ -2011,18 +2387,24 @@ prepare_statements:
         * synchronous mode for much better performance.
         */
 
         * synchronous mode for much better performance.
         */
 

-       if (real)
-               SQL_EXEC("PRAGMA synchronous = OFF");
+       if (real && SQLITE_OK != sqlite3_exec(db,
+           "PRAGMA synchronous = OFF", NULL, NULL, NULL)) {
+               exitcode = (int)MANDOCLEVEL_SYSERR;
+               say(MANDOC_DB, "PRAGMA synchronous: %s",
+                   sqlite3_errmsg(db));
+               sqlite3_close(db);
+               return(0);
+       }

 #endif
 
        return(1);
 }
 
 static void *
 #endif
 
        return(1);
 }
 
 static void *

-hash_halloc(size_t sz, void *arg)
+hash_calloc(size_t n, size_t sz, void *arg)

 {
 
 {
 

-       return(mandoc_calloc(sz, 1));
+       return(mandoc_calloc(n, sz));

 }
 
 static void *
 }
 
 static void *


@@ -2033,63 +2415,89 @@ hash_alloc(size_t sz, void *arg)
 }
 
 static void
 }
 
 static void

-hash_free(void *p, size_t sz, void *arg)
+hash_free(void *p, void *arg)

 {
 
        free(p);
 }
 
 static int
 {
 
        free(p);
 }
 
 static int

-set_basedir(const char *targetdir)
+set_basedir(const char *targetdir, int report_baddir)

 {
        static char      startdir[PATH_MAX];
 {
        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;
                        exitcode = (int)MANDOCLEVEL_SYSERR;

-                       say(startdir, NULL);
+                       say("", "getcwd: %s", startdir);

                        return(0);
                }
                        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;
                        exitcode = (int)MANDOCLEVEL_SYSERR;

-                       say(startdir, NULL);
+                       say("", "&chdir %s", startdir);

                        return(0);
                }
                        return(0);
                }

-               if (NULL == targetdir) {
-                       close(fd);
-                       return(1);
-               }

        }
        }

+
+       /*
+        * 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)) {
        if (NULL == realpath(targetdir, basedir)) {

-               basedir[0] = '\0';
-               exitcode = (int)MANDOCLEVEL_BADARG;
-               say(targetdir, NULL);
+               if (report_baddir || errno != ENOENT) {
+                       exitcode = (int)MANDOCLEVEL_BADARG;
+                       say("", "&%s: realpath", targetdir);
+               }

                return(0);
        } else if (-1 == chdir(basedir)) {
                return(0);
        } else if (-1 == chdir(basedir)) {

-               exitcode = (int)MANDOCLEVEL_BADARG;
-               say("", NULL);
+               if (report_baddir || errno != ENOENT) {
+                       exitcode = (int)MANDOCLEVEL_BADARG;
+                       say("", "&chdir");
+               }

                return(0);
        }
                return(0);
        }

+       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);
 }
 
        return(1);
 }
 


@@ -2097,23 +2505,40 @@ static void
 say(const char *file, const char *format, ...)
 {
        va_list          ap;
 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)
 
        if ('\0' != *basedir)
                fprintf(stderr, "%s", basedir);
        if ('\0' != *basedir && '\0' != *file)

-               fputs("//", stderr);
+               fputc('/', stderr);

        if ('\0' != *file)
                fprintf(stderr, "%s", file);
        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);

 }
 }