mandoc-db.c

   1 /*      $Id: mandoc-db.c,v 1.6 2011/04/05 13:09:33 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifdef HAVE_CONFIG_H
  18 #include "config.h"
  19 #endif
  20
  21 #include <sys/param.h>
  22
  23 #include <assert.h>
  24 #ifdef __linux__
  25 # include <db_185.h>
  26 #else
  27 # include <db.h>
  28 #endif
  29 #include <fcntl.h>
  30 #include <getopt.h>
  31 #include <stdio.h>
  32 #include <stdint.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #include "man.h"
  37 #include "mdoc.h"
  38 #include "mandoc.h"
  39
  40 #define MANDOC_DB        "mandoc.db"
  41 #define MANDOC_IDX       "mandoc.index"
  42 #define MANDOC_BUFSZ      BUFSIZ
  43 #define MANDOC_FLAGS      O_CREAT|O_TRUNC|O_RDWR
  44
  45 enum    type {
  46         MANDOC_NONE = 0,
  47         MANDOC_NAME,
  48         MANDOC_FUNCTION,
  49         MANDOC_UTILITY,
  50         MANDOC_INCLUDES,
  51         MANDOC_VARIABLE
  52 };
  53
  54 #define MAN_ARGS          DB *db, \
  55                           const char *dbn, \
  56                           DBT *key, size_t *ksz, \
  57                           DBT *val, \
  58                           const struct man_node *n
  59 #define MDOC_ARGS         DB *db, \
  60                           const char *dbn, \
  61                           DBT *key, size_t *ksz, \
  62                           DBT *val, \
  63                           const struct mdoc_node *n
  64
  65 static  void              dbt_append(DBT *, size_t *, const char *);
  66 static  void              dbt_appendb(DBT *, size_t *,
  67                                 const void *, size_t);
  68 static  void              dbt_init(DBT *, size_t *);
  69 static  void              usage(void);
  70 static  void              pman(DB *, const char *,
  71                                 DBT *, size_t *, DBT *,
  72                                 const char *, struct man *);
  73 static  int               pman_node(MAN_ARGS);
  74 static  void              pmdoc(DB *, const char *,
  75                                 DBT *, size_t *, DBT *,
  76                                 const char *, struct mdoc *);
  77 static  void              pmdoc_node(MDOC_ARGS);
  78 static  void              pmdoc_Fd(MDOC_ARGS);
  79 static  void              pmdoc_In(MDOC_ARGS);
  80 static  void              pmdoc_Fn(MDOC_ARGS);
  81 static  void              pmdoc_Fo(MDOC_ARGS);
  82 static  void              pmdoc_Nm(MDOC_ARGS);
  83 static  void              pmdoc_Vt(MDOC_ARGS);
  84
  85 typedef void            (*pmdoc_nf)(MDOC_ARGS);
  86
  87 static  const char       *progname;
  88
  89 static  const pmdoc_nf    mdocs[MDOC_MAX] = {
  90         NULL, /* Ap */
  91         NULL, /* Dd */
  92         NULL, /* Dt */
  93         NULL, /* Os */
  94         NULL, /* Sh */
  95         NULL, /* Ss */
  96         NULL, /* Pp */
  97         NULL, /* D1 */
  98         NULL, /* Dl */
  99         NULL, /* Bd */
 100         NULL, /* Ed */
 101         NULL, /* Bl */
 102         NULL, /* El */
 103         NULL, /* It */
 104         NULL, /* Ad */
 105         NULL, /* An */
 106         NULL, /* Ar */
 107         NULL, /* Cd */
 108         NULL, /* Cm */
 109         NULL, /* Dv */
 110         NULL, /* Er */
 111         NULL, /* Ev */
 112         NULL, /* Ex */
 113         NULL, /* Fa */
 114         pmdoc_Fd, /* Fd */
 115         NULL, /* Fl */
 116         pmdoc_Fn, /* Fn */
 117         NULL, /* Ft */
 118         NULL, /* Ic */
 119         pmdoc_In, /* In */
 120         NULL, /* Li */
 121         NULL, /* Nd */
 122         pmdoc_Nm, /* Nm */
 123         NULL, /* Op */
 124         NULL, /* Ot */
 125         NULL, /* Pa */
 126         NULL, /* Rv */
 127         NULL, /* St */
 128         pmdoc_Vt, /* Va */
 129         pmdoc_Vt, /* Vt */
 130         NULL, /* Xr */
 131         NULL, /* %A */
 132         NULL, /* %B */
 133         NULL, /* %D */
 134         NULL, /* %I */
 135         NULL, /* %J */
 136         NULL, /* %N */
 137         NULL, /* %O */
 138         NULL, /* %P */
 139         NULL, /* %R */
 140         NULL, /* %T */
 141         NULL, /* %V */
 142         NULL, /* Ac */
 143         NULL, /* Ao */
 144         NULL, /* Aq */
 145         NULL, /* At */
 146         NULL, /* Bc */
 147         NULL, /* Bf */
 148         NULL, /* Bo */
 149         NULL, /* Bq */
 150         NULL, /* Bsx */
 151         NULL, /* Bx */
 152         NULL, /* Db */
 153         NULL, /* Dc */
 154         NULL, /* Do */
 155         NULL, /* Dq */
 156         NULL, /* Ec */
 157         NULL, /* Ef */
 158         NULL, /* Em */
 159         NULL, /* Eo */
 160         NULL, /* Fx */
 161         NULL, /* Ms */
 162         NULL, /* No */
 163         NULL, /* Ns */
 164         NULL, /* Nx */
 165         NULL, /* Ox */
 166         NULL, /* Pc */
 167         NULL, /* Pf */
 168         NULL, /* Po */
 169         NULL, /* Pq */
 170         NULL, /* Qc */
 171         NULL, /* Ql */
 172         NULL, /* Qo */
 173         NULL, /* Qq */
 174         NULL, /* Re */
 175         NULL, /* Rs */
 176         NULL, /* Sc */
 177         NULL, /* So */
 178         NULL, /* Sq */
 179         NULL, /* Sm */
 180         NULL, /* Sx */
 181         NULL, /* Sy */
 182         NULL, /* Tn */
 183         NULL, /* Ux */
 184         NULL, /* Xc */
 185         NULL, /* Xo */
 186         pmdoc_Fo, /* Fo */
 187         NULL, /* Fc */
 188         NULL, /* Oo */
 189         NULL, /* Oc */
 190         NULL, /* Bk */
 191         NULL, /* Ek */
 192         NULL, /* Bt */
 193         NULL, /* Hf */
 194         NULL, /* Fr */
 195         NULL, /* Ud */
 196         NULL, /* Lb */
 197         NULL, /* Lp */
 198         NULL, /* Lk */
 199         NULL, /* Mt */
 200         NULL, /* Brq */
 201         NULL, /* Bro */
 202         NULL, /* Brc */
 203         NULL, /* %C */
 204         NULL, /* Es */
 205         NULL, /* En */
 206         NULL, /* Dx */
 207         NULL, /* %Q */
 208         NULL, /* br */
 209         NULL, /* sp */
 210         NULL, /* %U */
 211         NULL, /* Ta */
 212 };
 213
 214 int
 215 main(int argc, char *argv[])
 216 {
 217         struct mparse   *mp; /* parse sequence */
 218         struct mdoc     *mdoc; /* resulting mdoc */
 219         struct man      *man; /* resulting man */
 220         char            *fn;
 221         const char      *dir; /* result dir (default: cwd) */
 222         char             ibuf[MAXPATHLEN], /* index fname */
 223                          ibbuf[MAXPATHLEN], /* index backup fname */
 224                          fbuf[MAXPATHLEN],  /* btree fname */
 225                          fbbuf[MAXPATHLEN]; /* btree backup fname */
 226         int              c;
 227         DB              *index, /* index database */
 228                         *db; /* keyword database */
 229         DBT              rkey, rval, /* recno entries */
 230                          key, val; /* persistent keyword entries */
 231         size_t           ksz; /* entry buffer size */
 232         char             vbuf[8];
 233         BTREEINFO        info; /* btree configuration */
 234         recno_t          rec;
 235         extern int       optind;
 236         extern char     *optarg;
 237
 238         progname = strrchr(argv[0], '/');
 239         if (progname == NULL)
 240                 progname = argv[0];
 241         else
 242                 ++progname;
 243
 244         dir = "";
 245
 246         while (-1 != (c = getopt(argc, argv, "d:")))
 247                 switch (c) {
 248                 case ('d'):
 249                         dir = optarg;
 250                         break;
 251                 default:
 252                         usage();
 253                         return((int)MANDOCLEVEL_BADARG);
 254                 }
 255
 256         argc -= optind;
 257         argv += optind;
 258
 259         /*
 260          * Set up temporary file-names into which we're going to write
 261          * all of our data (both for the index and database).  These
 262          * will be securely renamed to the real file-names after we've
 263          * written all of our data.
 264          */
 265
 266         ibuf[0] = ibuf[MAXPATHLEN - 2] =
 267                 ibbuf[0] = ibbuf[MAXPATHLEN - 2] =
 268                 fbuf[0] = fbuf[MAXPATHLEN - 2] =
 269                 fbbuf[0] = fbbuf[MAXPATHLEN - 2] = '\0';
 270
 271         strlcat(fbuf, dir, MAXPATHLEN);
 272         strlcat(fbuf, MANDOC_DB, MAXPATHLEN);
 273
 274         strlcat(fbbuf, fbuf, MAXPATHLEN);
 275         strlcat(fbbuf, "~", MAXPATHLEN);
 276
 277         strlcat(ibuf, dir, MAXPATHLEN);
 278         strlcat(ibuf, MANDOC_IDX, MAXPATHLEN);
 279
 280         strlcat(ibbuf, ibuf, MAXPATHLEN);
 281         strlcat(ibbuf, "~", MAXPATHLEN);
 282
 283         if ('\0' != fbuf[MAXPATHLEN - 2] ||
 284                         '\0' != fbbuf[MAXPATHLEN - 2] ||
 285                         '\0' != ibuf[MAXPATHLEN - 2] ||
 286                         '\0' != ibbuf[MAXPATHLEN - 2]) {
 287                 fprintf(stderr, "%s: Path too long\n", progname);
 288                 exit((int)MANDOCLEVEL_SYSERR);
 289         }
 290
 291         /*
 292          * For the keyword database, open a BTREE database that allows
 293          * duplicates.  For the index database, use a standard RECNO
 294          * database type.
 295          */
 296
 297         memset(&info, 0, sizeof(BTREEINFO));
 298         info.flags = R_DUP;
 299         db = dbopen(fbbuf, MANDOC_FLAGS, 0644, DB_BTREE, &info);
 300
 301         if (NULL == db) {
 302                 perror(fbbuf);
 303                 exit((int)MANDOCLEVEL_SYSERR);
 304         }
 305
 306         index = dbopen(ibbuf, MANDOC_FLAGS, 0644, DB_RECNO, NULL);
 307
 308         if (NULL == db) {
 309                 perror(ibbuf);
 310                 (*db->close)(db);
 311                 exit((int)MANDOCLEVEL_SYSERR);
 312         }
 313
 314         /*
 315          * Try parsing the manuals given on the command line.  If we
 316          * totally fail, then just keep on going.  Take resulting trees
 317          * and push them down into the database code.
 318          * Use the auto-parser and don't report any errors.
 319          */
 320
 321         mp = mparse_alloc(MPARSE_AUTO, MANDOCLEVEL_FATAL, NULL, NULL);
 322
 323         memset(&key, 0, sizeof(DBT));
 324         memset(&val, 0, sizeof(DBT));
 325         memset(&rkey, 0, sizeof(DBT));
 326         memset(&rval, 0, sizeof(DBT));
 327
 328         val.size = sizeof(vbuf);
 329         val.data = vbuf;
 330         rkey.size = sizeof(recno_t);
 331
 332         rec = 1;
 333         ksz = 0;
 334
 335         while (NULL != (fn = *argv++)) {
 336                 mparse_reset(mp);
 337
 338                 if (mparse_readfd(mp, -1, fn) >= MANDOCLEVEL_FATAL) {
 339                         fprintf(stderr, "%s: Parse failure\n", fn);
 340                         continue;
 341                 }
 342
 343                 mparse_result(mp, &mdoc, &man);
 344                 if (NULL == mdoc && NULL == man)
 345                         continue;
 346
 347                 rkey.data = &rec;
 348                 rval.data = fn;
 349                 rval.size = strlen(fn) + 1;
 350
 351                 if (-1 == (*index->put)(index, &rkey, &rval, 0)) {
 352                         perror(ibbuf);
 353                         break;
 354                 }
 355
 356                 memset(val.data, 0, sizeof(uint32_t));
 357                 memcpy(val.data + 4, &rec, sizeof(uint32_t));
 358
 359                 if (mdoc)
 360                         pmdoc(db, fbbuf, &key, &ksz, &val, fn, mdoc);
 361                 else
 362                         pman(db, fbbuf, &key, &ksz, &val, fn, man);
 363                 rec++;
 364         }
 365
 366         (*db->close)(db);
 367         (*index->close)(index);
 368
 369         mparse_free(mp);
 370
 371         free(key.data);
 372
 373         /* Atomically replace the file with our temporary one. */
 374
 375         if (-1 == rename(fbbuf, fbuf))
 376                 perror(fbuf);
 377         if (-1 == rename(ibbuf, ibuf))
 378                 perror(fbuf);
 379
 380         return((int)MANDOCLEVEL_OK);
 381 }
 382
 383 /*
 384  * Initialise the stored database key whose data buffer is shared
 385  * between uses (as the key must sometimes be constructed from an array
 386  * of
 387  */
 388 static void
 389 dbt_init(DBT *key, size_t *ksz)
 390 {
 391
 392         if (0 == *ksz) {
 393                 assert(0 == key->size);
 394                 assert(NULL == key->data);
 395                 key->data = mandoc_malloc(MANDOC_BUFSZ);
 396                 *ksz = MANDOC_BUFSZ;
 397         }
 398
 399         key->size = 0;
 400 }
 401
 402 /*
 403  * Append a binary value to a database entry.  This can be invoked
 404  * multiple times; the buffer is automatically resized.
 405  */
 406 static void
 407 dbt_appendb(DBT *key, size_t *ksz, const void *cp, size_t sz)
 408 {
 409
 410         assert(key->data);
 411
 412         /* Overshoot by MANDOC_BUFSZ. */
 413
 414         while (key->size + sz >= *ksz) {
 415                 *ksz = key->size + sz + MANDOC_BUFSZ;
 416                 key->data = mandoc_realloc(key->data, *ksz);
 417         }
 418
 419         memcpy(key->data + (int)key->size, cp, sz);
 420         key->size += sz;
 421 }
 422
 423 /*
 424  * Append a nil-terminated string to the database entry.  This can be
 425  * invoked multiple times.  The database entry will be nil-terminated as
 426  * well; if invoked multiple times, a space is put between strings.
 427  */
 428 static void
 429 dbt_append(DBT *key, size_t *ksz, const char *cp)
 430 {
 431         size_t           sz;
 432
 433         if (0 == (sz = strlen(cp)))
 434                 return;
 435
 436         assert(key->data);
 437
 438         if (key->size)
 439                 ((char *)key->data)[(int)key->size - 1] = ' ';
 440
 441         dbt_appendb(key, ksz, cp, sz + 1);
 442 }
 443
 444 /* ARGSUSED */
 445 static void
 446 pmdoc_Fd(MDOC_ARGS)
 447 {
 448         uint32_t         fl;
 449         const char      *start, *end;
 450         size_t           sz;
 451         char             nil;
 452
 453         if (SEC_SYNOPSIS != n->sec)
 454                 return;
 455         if (NULL == (n = n->child) || MDOC_TEXT != n->type)
 456                 return;
 457
 458         /*
 459          * Only consider those `Fd' macro fields that begin with an
 460          * "inclusion" token (versus, e.g., #define).
 461          */
 462         if (strcmp("#include", n->string))
 463                 return;
 464
 465         if (NULL == (n = n->next) || MDOC_TEXT != n->type)
 466                 return;
 467
 468         /*
 469          * Strip away the enclosing angle brackets and make sure we're
 470          * not zero-length.
 471          */
 472
 473         start = n->string;
 474         if ('<' == *start || '"' == *start)
 475                 start++;
 476
 477         if (0 == (sz = strlen(start)))
 478                 return;
 479
 480         end = &start[(int)sz - 1];
 481         if ('>' == *end || '"' == *end)
 482                 end--;
 483
 484         nil = '\0';
 485         dbt_appendb(key, ksz, start, end - start + 1);
 486         dbt_appendb(key, ksz, &nil, 1);
 487
 488         fl = MANDOC_INCLUDES;
 489         memcpy(val->data, &fl, 4);
 490 }
 491
 492 /* ARGSUSED */
 493 static void
 494 pmdoc_In(MDOC_ARGS)
 495 {
 496         uint32_t         fl;
 497
 498         if (SEC_SYNOPSIS != n->sec)
 499                 return;
 500         if (NULL == n->child || MDOC_TEXT != n->child->type)
 501                 return;
 502
 503         dbt_append(key, ksz, n->child->string);
 504         fl = MANDOC_INCLUDES;
 505         memcpy(val->data, &fl, 4);
 506 }
 507
 508 /* ARGSUSED */
 509 static void
 510 pmdoc_Fn(MDOC_ARGS)
 511 {
 512         uint32_t         fl;
 513         const char      *cp;
 514
 515         if (SEC_SYNOPSIS != n->sec)
 516                 return;
 517         if (NULL == n->child || MDOC_TEXT != n->child->type)
 518                 return;
 519
 520         /* .Fn "struct type *arg" "foo" */
 521
 522         cp = strrchr(n->child->string, ' ');
 523         if (NULL == cp)
 524                 cp = n->child->string;
 525
 526         /* Strip away pointer symbol. */
 527
 528         while ('*' == *cp)
 529                 cp++;
 530
 531         dbt_append(key, ksz, cp);
 532         fl = MANDOC_FUNCTION;
 533         memcpy(val->data, &fl, 4);
 534 }
 535
 536 /* ARGSUSED */
 537 static void
 538 pmdoc_Vt(MDOC_ARGS)
 539 {
 540         uint32_t         fl;
 541         const char      *start, *end;
 542         size_t           sz;
 543         char             nil;
 544
 545         if (SEC_SYNOPSIS != n->sec)
 546                 return;
 547         if (MDOC_Vt == n->tok && MDOC_BODY != n->type)
 548                 return;
 549         if (NULL == n->child || MDOC_TEXT != n->child->type)
 550                 return;
 551
 552         /*
 553          * Strip away leading pointer symbol '*' and trailing ';'.
 554          */
 555
 556         start = n->last->string;
 557
 558         while ('*' == *start)
 559                 start++;
 560
 561         if (0 == (sz = strlen(start)))
 562                 return;
 563
 564         end = &start[sz - 1];
 565         while (end > start && ';' == *end)
 566                 end--;
 567
 568         if (end == start)
 569                 return;
 570
 571         nil = '\0';
 572         dbt_appendb(key, ksz, start, end - start + 1);
 573         dbt_appendb(key, ksz, &nil, 1);
 574         fl = MANDOC_VARIABLE;
 575         memcpy(val->data, &fl, 4);
 576 }
 577
 578 /* ARGSUSED */
 579 static void
 580 pmdoc_Fo(MDOC_ARGS)
 581 {
 582         uint32_t         fl;
 583
 584         if (SEC_SYNOPSIS != n->sec || MDOC_HEAD != n->type)
 585                 return;
 586         if (NULL == n->child || MDOC_TEXT != n->child->type)
 587                 return;
 588
 589         dbt_append(key, ksz, n->child->string);
 590         fl = MANDOC_FUNCTION;
 591         memcpy(val->data, &fl, 4);
 592 }
 593
 594 /* ARGSUSED */
 595 static void
 596 pmdoc_Nm(MDOC_ARGS)
 597 {
 598         uint32_t         fl;
 599
 600         if (SEC_NAME == n->sec) {
 601                 for (n = n->child; n; n = n->next) {
 602                         if (MDOC_TEXT != n->type)
 603                                 continue;
 604                         dbt_append(key, ksz, n->string);
 605                 }
 606                 fl = MANDOC_NAME;
 607                 memcpy(val->data, &fl, 4);
 608                 return;
 609         } else if (SEC_SYNOPSIS != n->sec || MDOC_HEAD != n->type)
 610                 return;
 611
 612         for (n = n->child; n; n = n->next) {
 613                 if (MDOC_TEXT != n->type)
 614                         continue;
 615                 dbt_append(key, ksz, n->string);
 616         }
 617
 618         fl = MANDOC_UTILITY;
 619         memcpy(val->data, &fl, 4);
 620 }
 621
 622 /*
 623  * Call out to per-macro handlers after clearing the persistent database
 624  * key.  If the macro sets the database key, flush it to the database.
 625  */
 626 static void
 627 pmdoc_node(MDOC_ARGS)
 628 {
 629
 630         if (NULL == n)
 631                 return;
 632
 633         switch (n->type) {
 634         case (MDOC_HEAD):
 635                 /* FALLTHROUGH */
 636         case (MDOC_BODY):
 637                 /* FALLTHROUGH */
 638         case (MDOC_TAIL):
 639                 /* FALLTHROUGH */
 640         case (MDOC_BLOCK):
 641                 /* FALLTHROUGH */
 642         case (MDOC_ELEM):
 643                 if (NULL == mdocs[n->tok])
 644                         break;
 645
 646                 dbt_init(key, ksz);
 647                 (*mdocs[n->tok])(db, dbn, key, ksz, val, n);
 648
 649                 if (0 == key->size)
 650                         break;
 651                 if (0 == (*db->put)(db, key, val, 0))
 652                         break;
 653
 654                 perror(dbn);
 655                 exit((int)MANDOCLEVEL_SYSERR);
 656                 /* NOTREACHED */
 657         default:
 658                 break;
 659         }
 660
 661         pmdoc_node(db, dbn, key, ksz, val, n->child);
 662         pmdoc_node(db, dbn, key, ksz, val, n->next);
 663 }
 664
 665 static int
 666 pman_node(MAN_ARGS)
 667 {
 668         const struct man_node *head, *body;
 669         const char      *end, *start;
 670         char             nil;
 671         uint32_t         fl;
 672
 673         if (NULL == n)
 674                 return(0);
 675
 676         /*
 677          * We're only searching for one thing: the first text child in
 678          * the BODY of a NAME section.  Since we don't keep track of
 679          * sections in -man, run some hoops to find out whether we're in
 680          * the correct section or not.
 681          */
 682
 683         if (MAN_BODY == n->type && MAN_SH == n->tok) {
 684                 body = n;
 685                 assert(body->parent);
 686                 if (NULL != (head = body->parent->head) &&
 687                                 1 == head->nchild &&
 688                                 NULL != (head = (head->child)) &&
 689                                 MAN_TEXT == head->type &&
 690                                 0 == strcmp(head->string, "NAME") &&
 691                                 NULL != (body = body->child) &&
 692                                 MAN_TEXT == body->type) {
 693                         nil = '\0';
 694
 695                         start = body->string;
 696                         if (NULL == (end = strchr(start, ' ')))
 697                                 end = start + strlen(start);
 698
 699                         dbt_init(key, ksz);
 700                         dbt_appendb(key, ksz, start, end - start + 1);
 701                         dbt_appendb(key, ksz, &nil, 1);
 702                         fl = MANDOC_NAME;
 703                         memcpy(val->data, &fl, 4);
 704                         return(1);
 705                 }
 706         }
 707
 708         if (pman_node(db, dbn, key, ksz, val, n->child))
 709                 return(1);
 710         if (pman_node(db, dbn, key, ksz, val, n->next))
 711                 return(1);
 712
 713         return(0);
 714 }
 715
 716 static void
 717 pman(DB *db, const char *dbn,
 718                 DBT *key, size_t *ksz, DBT *val,
 719                 const char *path, struct man *m)
 720 {
 721
 722         pman_node(db, dbn, key, ksz, val, man_node(m));
 723 }
 724
 725
 726 static void
 727 pmdoc(DB *db, const char *dbn,
 728                 DBT *key, size_t *ksz, DBT *val,
 729                 const char *path, struct mdoc *m)
 730 {
 731
 732         pmdoc_node(db, dbn, key, ksz, val, mdoc_node(m));
 733 }
 734
 735 static void
 736 usage(void)
 737 {
 738
 739         fprintf(stderr, "usage: %s "
 740                         "[-d path] "
 741                         "[file...]\n",
 742                         progname);
 743 }