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Annotation of mandoc/mandocdb.c, Revision 1.60

1.60    ! schwarze    1: /*     $Id: mandocdb.c,v 1.59 2013/06/05 17:48:14 schwarze Exp $ */
1.1       kristaps    2: /*
1.48      schwarze    3:  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.56      schwarze    4:  * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.50      kristaps   22: #include <sys/stat.h>
1.1       kristaps   23:
                     24: #include <assert.h>
1.43      kristaps   25: #include <ctype.h>
1.1       kristaps   26: #include <fcntl.h>
1.50      kristaps   27: #include <fts.h>
1.1       kristaps   28: #include <getopt.h>
1.58      schwarze   29: #include <limits.h>
1.50      kristaps   30: #include <stddef.h>
1.59      schwarze   31: #include <stdio.h>
1.1       kristaps   32: #include <stdint.h>
                     33: #include <stdlib.h>
                     34: #include <string.h>
1.17      schwarze   35: #include <unistd.h>
1.1       kristaps   36:
1.53      kristaps   37: #ifdef HAVE_OHASH
1.50      kristaps   38: #include <ohash.h>
1.53      kristaps   39: #else
                     40: #include "compat_ohash.h"
                     41: #endif
1.50      kristaps   42: #include <sqlite3.h>
1.1       kristaps   43:
1.50      kristaps   44: #include "mdoc.h"
1.1       kristaps   45: #include "man.h"
                     46: #include "mandoc.h"
1.10      kristaps   47: #include "manpath.h"
1.55      kristaps   48: #include "mansearch.h"
1.1       kristaps   49:
1.52      kristaps   50: #define        SQL_EXEC(_v) \
                     51:        if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
                     52:                fprintf(stderr, "%s\n", sqlite3_errmsg(db))
                     53: #define        SQL_BIND_TEXT(_s, _i, _v) \
                     54:        if (SQLITE_OK != sqlite3_bind_text \
                     55:                ((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \
                     56:                fprintf(stderr, "%s\n", sqlite3_errmsg(db))
                     57: #define        SQL_BIND_INT(_s, _i, _v) \
                     58:        if (SQLITE_OK != sqlite3_bind_int \
                     59:                ((_s), (_i)++, (_v))) \
                     60:                fprintf(stderr, "%s\n", sqlite3_errmsg(db))
                     61: #define        SQL_BIND_INT64(_s, _i, _v) \
                     62:        if (SQLITE_OK != sqlite3_bind_int64 \
                     63:                ((_s), (_i)++, (_v))) \
                     64:                fprintf(stderr, "%s\n", sqlite3_errmsg(db))
                     65: #define SQL_STEP(_s) \
                     66:        if (SQLITE_DONE != sqlite3_step((_s))) \
                     67:                fprintf(stderr, "%s\n", sqlite3_errmsg(db))
                     68:
1.50      kristaps   69: enum   op {
                     70:        OP_DEFAULT = 0, /* new dbs from dir list or default config */
                     71:        OP_CONFFILE, /* new databases from custom config file */
                     72:        OP_UPDATE, /* delete/add entries in existing database */
                     73:        OP_DELETE, /* delete entries from existing database */
                     74:        OP_TEST /* change no databases, report potential problems */
1.38      schwarze   75: };
                     76:
1.50      kristaps   77: enum   form {
                     78:        FORM_SRC, /* format is -man or -mdoc */
                     79:        FORM_CAT, /* format is cat */
                     80:        FORM_NONE /* format is unknown */
                     81: };
1.38      schwarze   82:
1.50      kristaps   83: struct str {
                     84:        char            *utf8; /* key in UTF-8 form */
                     85:        const struct of *of; /* if set, the owning parse */
                     86:        struct str      *next; /* next in owning parse sequence */
                     87:        uint64_t         mask; /* bitmask in sequence */
1.51      kristaps   88:        char             key[]; /* the string itself */
1.38      schwarze   89: };
                     90:
1.50      kristaps   91: struct id {
                     92:        ino_t            ino;
                     93:        dev_t            dev;
                     94: };
1.5       kristaps   95:
1.3       kristaps   96: struct of {
1.50      kristaps   97:        struct id        id; /* used for hashing routine */
                     98:        struct of       *next; /* next in ofs */
                     99:        enum form        dform; /* path-cued form */
                    100:        enum form        sform; /* suffix-cued form */
1.58      schwarze  101:        char             file[PATH_MAX]; /* filename rel. to manpath */
1.50      kristaps  102:        const char      *desc; /* parsed description */
                    103:        const char      *sec; /* suffix-cued section (or empty) */
                    104:        const char      *dsec; /* path-cued section (or empty) */
                    105:        const char      *arch; /* path-cued arch. (or empty) */
                    106:        const char      *name; /* name (from filename) (not empty) */
1.3       kristaps  107: };
                    108:
1.50      kristaps  109: enum   stmt {
                    110:        STMT_DELETE = 0, /* delete manpage */
                    111:        STMT_INSERT_DOC, /* insert manpage */
                    112:        STMT_INSERT_KEY, /* insert parsed key */
                    113:        STMT__MAX
1.1       kristaps  114: };
                    115:
1.50      kristaps  116: typedef        int (*mdoc_fp)(struct of *, const struct mdoc_node *);
1.1       kristaps  117:
1.50      kristaps  118: struct mdoc_handler {
                    119:        mdoc_fp          fp; /* optional handler */
                    120:        uint64_t         mask;  /* set unless handler returns 0 */
                    121:        int              flags;  /* for use by pmdoc_node */
                    122: #define        MDOCF_CHILD      0x01  /* automatically index child nodes */
1.1       kristaps  123: };
                    124:
1.59      schwarze  125: static void     dbclose(int);
                    126: static void     dbindex(struct mchars *, int, const struct of *);
                    127: static int      dbopen(int);
                    128: static void     dbprune(void);
1.50      kristaps  129: static void     fileadd(struct of *);
                    130: static int      filecheck(const char *);
1.59      schwarze  131: static void     filescan(const char *);
1.50      kristaps  132: static struct str *hashget(const char *, size_t);
                    133: static void    *hash_alloc(size_t, void *);
                    134: static void     hash_free(void *, size_t, void *);
                    135: static void    *hash_halloc(size_t, void *);
                    136: static void     inoadd(const struct stat *, struct of *);
                    137: static int      inocheck(const struct stat *);
1.59      schwarze  138: static void     ofadd(int, const char *, const char *, const char *,
                    139:                        const char *, const char *, const struct stat *);
1.50      kristaps  140: static void     offree(void);
1.59      schwarze  141: static void     ofmerge(struct mchars *, struct mparse *);
                    142: static void     parse_catpage(struct of *);
1.50      kristaps  143: static int      parse_man(struct of *,
                    144:                        const struct man_node *);
                    145: static void     parse_mdoc(struct of *, const struct mdoc_node *);
                    146: static int      parse_mdoc_body(struct of *, const struct mdoc_node *);
                    147: static int      parse_mdoc_head(struct of *, const struct mdoc_node *);
                    148: static int      parse_mdoc_Fd(struct of *, const struct mdoc_node *);
                    149: static int      parse_mdoc_Fn(struct of *, const struct mdoc_node *);
                    150: static int      parse_mdoc_In(struct of *, const struct mdoc_node *);
                    151: static int      parse_mdoc_Nd(struct of *, const struct mdoc_node *);
                    152: static int      parse_mdoc_Nm(struct of *, const struct mdoc_node *);
                    153: static int      parse_mdoc_Sh(struct of *, const struct mdoc_node *);
                    154: static int      parse_mdoc_St(struct of *, const struct mdoc_node *);
                    155: static int      parse_mdoc_Xr(struct of *, const struct mdoc_node *);
1.59      schwarze  156: static int      set_basedir(const char *);
1.50      kristaps  157: static void     putkey(const struct of *,
                    158:                        const char *, uint64_t);
                    159: static void     putkeys(const struct of *,
                    160:                        const char *, int, uint64_t);
                    161: static void     putmdockey(const struct of *,
                    162:                        const struct mdoc_node *, uint64_t);
1.59      schwarze  163: static void     say(const char *, const char *, ...);
1.50      kristaps  164: static char    *stradd(const char *);
                    165: static char    *straddbuf(const char *, size_t);
1.59      schwarze  166: static int      treescan(void);
1.50      kristaps  167: static size_t   utf8(unsigned int, char [7]);
                    168: static void     utf8key(struct mchars *, struct str *);
                    169: static void     wordaddbuf(const struct of *,
                    170:                        const char *, size_t, uint64_t);
                    171:
                    172: static char            *progname;
                    173: static int              use_all; /* use all found files */
                    174: static int              nodb; /* no database changes */
                    175: static int              verb; /* print what we're doing */
                    176: static int              warnings; /* warn about crap */
1.59      schwarze  177: static int              exitcode; /* to be returned by main */
1.50      kristaps  178: static enum op          op; /* operational mode */
1.59      schwarze  179: static char             basedir[PATH_MAX]; /* current base directory */
1.50      kristaps  180: static struct ohash     inos; /* table of inodes/devices */
                    181: static struct ohash     filenames; /* table of filenames */
                    182: static struct ohash     strings; /* table of all strings */
                    183: static struct of       *ofs = NULL; /* vector of files to parse */
                    184: static struct str      *words = NULL; /* word list in current parse */
                    185: static sqlite3         *db = NULL; /* current database */
                    186: static sqlite3_stmt    *stmts[STMT__MAX]; /* current statements */
1.25      schwarze  187:
                    188: static const struct mdoc_handler mdocs[MDOC_MAX] = {
                    189:        { NULL, 0, 0 },  /* Ap */
                    190:        { NULL, 0, 0 },  /* Dd */
                    191:        { NULL, 0, 0 },  /* Dt */
                    192:        { NULL, 0, 0 },  /* Os */
1.50      kristaps  193:        { parse_mdoc_Sh, TYPE_Sh, MDOCF_CHILD }, /* Sh */
                    194:        { parse_mdoc_head, TYPE_Ss, MDOCF_CHILD }, /* Ss */
1.25      schwarze  195:        { NULL, 0, 0 },  /* Pp */
                    196:        { NULL, 0, 0 },  /* D1 */
                    197:        { NULL, 0, 0 },  /* Dl */
                    198:        { NULL, 0, 0 },  /* Bd */
                    199:        { NULL, 0, 0 },  /* Ed */
                    200:        { NULL, 0, 0 },  /* Bl */
                    201:        { NULL, 0, 0 },  /* El */
                    202:        { NULL, 0, 0 },  /* It */
                    203:        { NULL, 0, 0 },  /* Ad */
                    204:        { NULL, TYPE_An, MDOCF_CHILD },  /* An */
                    205:        { NULL, TYPE_Ar, MDOCF_CHILD },  /* Ar */
                    206:        { NULL, TYPE_Cd, MDOCF_CHILD },  /* Cd */
                    207:        { NULL, TYPE_Cm, MDOCF_CHILD },  /* Cm */
                    208:        { NULL, TYPE_Dv, MDOCF_CHILD },  /* Dv */
                    209:        { NULL, TYPE_Er, MDOCF_CHILD },  /* Er */
                    210:        { NULL, TYPE_Ev, MDOCF_CHILD },  /* Ev */
                    211:        { NULL, 0, 0 },  /* Ex */
                    212:        { NULL, TYPE_Fa, MDOCF_CHILD },  /* Fa */
1.50      kristaps  213:        { parse_mdoc_Fd, TYPE_In, 0 },  /* Fd */
1.25      schwarze  214:        { NULL, TYPE_Fl, MDOCF_CHILD },  /* Fl */
1.50      kristaps  215:        { parse_mdoc_Fn, 0, 0 },  /* Fn */
1.25      schwarze  216:        { NULL, TYPE_Ft, MDOCF_CHILD },  /* Ft */
                    217:        { NULL, TYPE_Ic, MDOCF_CHILD },  /* Ic */
1.50      kristaps  218:        { parse_mdoc_In, TYPE_In, MDOCF_CHILD },  /* In */
1.25      schwarze  219:        { NULL, TYPE_Li, MDOCF_CHILD },  /* Li */
1.50      kristaps  220:        { parse_mdoc_Nd, TYPE_Nd, MDOCF_CHILD },  /* Nd */
                    221:        { parse_mdoc_Nm, TYPE_Nm, MDOCF_CHILD },  /* Nm */
1.25      schwarze  222:        { NULL, 0, 0 },  /* Op */
                    223:        { NULL, 0, 0 },  /* Ot */
                    224:        { NULL, TYPE_Pa, MDOCF_CHILD },  /* Pa */
                    225:        { NULL, 0, 0 },  /* Rv */
1.50      kristaps  226:        { parse_mdoc_St, TYPE_St, 0 },  /* St */
1.25      schwarze  227:        { NULL, TYPE_Va, MDOCF_CHILD },  /* Va */
1.50      kristaps  228:        { parse_mdoc_body, TYPE_Va, MDOCF_CHILD },  /* Vt */
                    229:        { parse_mdoc_Xr, TYPE_Xr, 0 },  /* Xr */
1.25      schwarze  230:        { NULL, 0, 0 },  /* %A */
                    231:        { NULL, 0, 0 },  /* %B */
                    232:        { NULL, 0, 0 },  /* %D */
                    233:        { NULL, 0, 0 },  /* %I */
                    234:        { NULL, 0, 0 },  /* %J */
                    235:        { NULL, 0, 0 },  /* %N */
                    236:        { NULL, 0, 0 },  /* %O */
                    237:        { NULL, 0, 0 },  /* %P */
                    238:        { NULL, 0, 0 },  /* %R */
                    239:        { NULL, 0, 0 },  /* %T */
                    240:        { NULL, 0, 0 },  /* %V */
                    241:        { NULL, 0, 0 },  /* Ac */
                    242:        { NULL, 0, 0 },  /* Ao */
                    243:        { NULL, 0, 0 },  /* Aq */
                    244:        { NULL, TYPE_At, MDOCF_CHILD },  /* At */
                    245:        { NULL, 0, 0 },  /* Bc */
                    246:        { NULL, 0, 0 },  /* Bf */
                    247:        { NULL, 0, 0 },  /* Bo */
                    248:        { NULL, 0, 0 },  /* Bq */
                    249:        { NULL, TYPE_Bsx, MDOCF_CHILD },  /* Bsx */
                    250:        { NULL, TYPE_Bx, MDOCF_CHILD },  /* Bx */
                    251:        { NULL, 0, 0 },  /* Db */
                    252:        { NULL, 0, 0 },  /* Dc */
                    253:        { NULL, 0, 0 },  /* Do */
                    254:        { NULL, 0, 0 },  /* Dq */
                    255:        { NULL, 0, 0 },  /* Ec */
                    256:        { NULL, 0, 0 },  /* Ef */
                    257:        { NULL, TYPE_Em, MDOCF_CHILD },  /* Em */
                    258:        { NULL, 0, 0 },  /* Eo */
                    259:        { NULL, TYPE_Fx, MDOCF_CHILD },  /* Fx */
                    260:        { NULL, TYPE_Ms, MDOCF_CHILD },  /* Ms */
                    261:        { NULL, 0, 0 },  /* No */
                    262:        { NULL, 0, 0 },  /* Ns */
                    263:        { NULL, TYPE_Nx, MDOCF_CHILD },  /* Nx */
                    264:        { NULL, TYPE_Ox, MDOCF_CHILD },  /* Ox */
                    265:        { NULL, 0, 0 },  /* Pc */
                    266:        { NULL, 0, 0 },  /* Pf */
                    267:        { NULL, 0, 0 },  /* Po */
                    268:        { NULL, 0, 0 },  /* Pq */
                    269:        { NULL, 0, 0 },  /* Qc */
                    270:        { NULL, 0, 0 },  /* Ql */
                    271:        { NULL, 0, 0 },  /* Qo */
                    272:        { NULL, 0, 0 },  /* Qq */
                    273:        { NULL, 0, 0 },  /* Re */
                    274:        { NULL, 0, 0 },  /* Rs */
                    275:        { NULL, 0, 0 },  /* Sc */
                    276:        { NULL, 0, 0 },  /* So */
                    277:        { NULL, 0, 0 },  /* Sq */
                    278:        { NULL, 0, 0 },  /* Sm */
                    279:        { NULL, 0, 0 },  /* Sx */
                    280:        { NULL, TYPE_Sy, MDOCF_CHILD },  /* Sy */
                    281:        { NULL, TYPE_Tn, MDOCF_CHILD },  /* Tn */
                    282:        { NULL, 0, 0 },  /* Ux */
                    283:        { NULL, 0, 0 },  /* Xc */
                    284:        { NULL, 0, 0 },  /* Xo */
1.50      kristaps  285:        { parse_mdoc_head, TYPE_Fn, 0 },  /* Fo */
1.25      schwarze  286:        { NULL, 0, 0 },  /* Fc */
                    287:        { NULL, 0, 0 },  /* Oo */
                    288:        { NULL, 0, 0 },  /* Oc */
                    289:        { NULL, 0, 0 },  /* Bk */
                    290:        { NULL, 0, 0 },  /* Ek */
                    291:        { NULL, 0, 0 },  /* Bt */
                    292:        { NULL, 0, 0 },  /* Hf */
                    293:        { NULL, 0, 0 },  /* Fr */
                    294:        { NULL, 0, 0 },  /* Ud */
                    295:        { NULL, TYPE_Lb, MDOCF_CHILD },  /* Lb */
                    296:        { NULL, 0, 0 },  /* Lp */
                    297:        { NULL, TYPE_Lk, MDOCF_CHILD },  /* Lk */
                    298:        { NULL, TYPE_Mt, MDOCF_CHILD },  /* Mt */
                    299:        { NULL, 0, 0 },  /* Brq */
                    300:        { NULL, 0, 0 },  /* Bro */
                    301:        { NULL, 0, 0 },  /* Brc */
                    302:        { NULL, 0, 0 },  /* %C */
                    303:        { NULL, 0, 0 },  /* Es */
                    304:        { NULL, 0, 0 },  /* En */
                    305:        { NULL, TYPE_Dx, MDOCF_CHILD },  /* Dx */
                    306:        { NULL, 0, 0 },  /* %Q */
                    307:        { NULL, 0, 0 },  /* br */
                    308:        { NULL, 0, 0 },  /* sp */
                    309:        { NULL, 0, 0 },  /* %U */
                    310:        { NULL, 0, 0 },  /* Ta */
1.1       kristaps  311: };
                    312:
                    313: int
                    314: main(int argc, char *argv[])
                    315: {
1.59      schwarze  316:        int               ch, i;
1.53      kristaps  317:        unsigned int      index;
1.50      kristaps  318:        size_t            j, sz;
1.59      schwarze  319:        const char       *path_arg;
1.50      kristaps  320:        struct str       *s;
                    321:        struct mchars    *mc;
                    322:        struct manpaths   dirs;
                    323:        struct mparse    *mp;
                    324:        struct ohash_info ino_info, filename_info, str_info;
                    325:
                    326:        memset(stmts, 0, STMT__MAX * sizeof(sqlite3_stmt *));
                    327:        memset(&dirs, 0, sizeof(struct manpaths));
                    328:
                    329:        ino_info.halloc = filename_info.halloc =
                    330:                str_info.halloc = hash_halloc;
                    331:        ino_info.hfree = filename_info.hfree =
                    332:                str_info.hfree = hash_free;
                    333:        ino_info.alloc = filename_info.alloc =
                    334:                str_info.alloc = hash_alloc;
                    335:
                    336:        ino_info.key_offset = offsetof(struct of, id);
                    337:        filename_info.key_offset = offsetof(struct of, file);
                    338:        str_info.key_offset = offsetof(struct str, key);
1.1       kristaps  339:
                    340:        progname = strrchr(argv[0], '/');
                    341:        if (progname == NULL)
                    342:                progname = argv[0];
                    343:        else
                    344:                ++progname;
                    345:
1.50      kristaps  346:        /*
                    347:         * We accept a few different invocations.
                    348:         * The CHECKOP macro makes sure that invocation styles don't
                    349:         * clobber each other.
                    350:         */
                    351: #define        CHECKOP(_op, _ch) do \
                    352:        if (OP_DEFAULT != (_op)) { \
                    353:                fprintf(stderr, "-%c: Conflicting option\n", (_ch)); \
                    354:                goto usage; \
                    355:        } while (/*CONSTCOND*/0)
1.10      kristaps  356:
1.59      schwarze  357:        path_arg = NULL;
1.38      schwarze  358:        op = OP_DEFAULT;
1.1       kristaps  359:
1.50      kristaps  360:        while (-1 != (ch = getopt(argc, argv, "aC:d:ntu:vW")))
1.1       kristaps  361:                switch (ch) {
1.12      schwarze  362:                case ('a'):
                    363:                        use_all = 1;
                    364:                        break;
1.34      schwarze  365:                case ('C'):
1.50      kristaps  366:                        CHECKOP(op, ch);
1.59      schwarze  367:                        path_arg = optarg;
1.38      schwarze  368:                        op = OP_CONFFILE;
1.34      schwarze  369:                        break;
1.5       kristaps  370:                case ('d'):
1.50      kristaps  371:                        CHECKOP(op, ch);
1.59      schwarze  372:                        path_arg = optarg;
1.5       kristaps  373:                        op = OP_UPDATE;
                    374:                        break;
1.50      kristaps  375:                case ('n'):
                    376:                        nodb = 1;
                    377:                        break;
1.38      schwarze  378:                case ('t'):
1.50      kristaps  379:                        CHECKOP(op, ch);
1.38      schwarze  380:                        dup2(STDOUT_FILENO, STDERR_FILENO);
                    381:                        op = OP_TEST;
1.50      kristaps  382:                        nodb = warnings = 1;
1.38      schwarze  383:                        break;
1.5       kristaps  384:                case ('u'):
1.50      kristaps  385:                        CHECKOP(op, ch);
1.59      schwarze  386:                        path_arg = optarg;
1.5       kristaps  387:                        op = OP_DELETE;
                    388:                        break;
                    389:                case ('v'):
                    390:                        verb++;
                    391:                        break;
1.38      schwarze  392:                case ('W'):
                    393:                        warnings = 1;
                    394:                        break;
1.1       kristaps  395:                default:
1.38      schwarze  396:                        goto usage;
1.1       kristaps  397:                }
                    398:
                    399:        argc -= optind;
                    400:        argv += optind;
                    401:
1.38      schwarze  402:        if (OP_CONFFILE == op && argc > 0) {
1.50      kristaps  403:                fprintf(stderr, "-C: Too many arguments\n");
1.38      schwarze  404:                goto usage;
                    405:        }
                    406:
1.59      schwarze  407:        exitcode = (int)MANDOCLEVEL_OK;
1.50      kristaps  408:        mp = mparse_alloc(MPARSE_AUTO,
                    409:                MANDOCLEVEL_FATAL, NULL, NULL, NULL);
                    410:        mc = mchars_alloc();
                    411:
                    412:        ohash_init(&strings, 6, &str_info);
                    413:        ohash_init(&inos, 6, &ino_info);
                    414:        ohash_init(&filenames, 6, &filename_info);
                    415:
                    416:        if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
                    417:                /*
                    418:                 * Force processing all files.
                    419:                 */
                    420:                use_all = 1;
1.59      schwarze  421:
1.50      kristaps  422:                /*
                    423:                 * All of these deal with a specific directory.
                    424:                 * Jump into that directory then collect files specified
                    425:                 * on the command-line.
                    426:                 */
1.59      schwarze  427:                if (0 == set_basedir(path_arg))
1.50      kristaps  428:                        goto out;
                    429:                for (i = 0; i < argc; i++)
1.59      schwarze  430:                        filescan(argv[i]);
                    431:                if (0 == dbopen(1))
1.50      kristaps  432:                        goto out;
                    433:                if (OP_TEST != op)
1.59      schwarze  434:                        dbprune();
1.50      kristaps  435:                if (OP_DELETE != op)
1.59      schwarze  436:                        ofmerge(mc, mp);
                    437:                dbclose(1);
1.50      kristaps  438:        } else {
                    439:                /*
                    440:                 * If we have arguments, use them as our manpaths.
                    441:                 * If we don't, grok from manpath(1) or however else
                    442:                 * manpath_parse() wants to do it.
                    443:                 */
                    444:                if (argc > 0) {
                    445:                        dirs.paths = mandoc_calloc
                    446:                                (argc, sizeof(char *));
                    447:                        dirs.sz = (size_t)argc;
                    448:                        for (i = 0; i < argc; i++)
                    449:                                dirs.paths[i] = mandoc_strdup(argv[i]);
                    450:                } else
1.59      schwarze  451:                        manpath_parse(&dirs, path_arg, NULL, NULL);
1.50      kristaps  452:
                    453:                /*
                    454:                 * First scan the tree rooted at a base directory.
                    455:                 * Then whak its database (if one exists), parse, and
                    456:                 * build up the database.
                    457:                 * Ignore zero-length directories and strip trailing
                    458:                 * slashes.
                    459:                 */
                    460:                for (j = 0; j < dirs.sz; j++) {
                    461:                        sz = strlen(dirs.paths[j]);
                    462:                        if (sz && '/' == dirs.paths[j][sz - 1])
                    463:                                dirs.paths[j][--sz] = '\0';
                    464:                        if (0 == sz)
                    465:                                continue;
1.59      schwarze  466:                        if (0 == set_basedir(dirs.paths[j]))
1.50      kristaps  467:                                goto out;
1.59      schwarze  468:                        if (0 == treescan())
1.50      kristaps  469:                                goto out;
1.59      schwarze  470:                        if (0 == set_basedir(dirs.paths[j]))
1.50      kristaps  471:                                goto out;
1.59      schwarze  472:                        if (0 == dbopen(0))
1.50      kristaps  473:                                goto out;
1.52      kristaps  474:
                    475:                        /*
                    476:                         * Since we're opening up a new database, we can
                    477:                         * turn off synchronous mode for much better
                    478:                         * performance.
                    479:                         */
1.54      kristaps  480: #ifndef __APPLE__
1.52      kristaps  481:                        SQL_EXEC("PRAGMA synchronous = OFF");
1.54      kristaps  482: #endif
1.52      kristaps  483:
1.59      schwarze  484:                        ofmerge(mc, mp);
                    485:                        dbclose(0);
1.50      kristaps  486:                        offree();
                    487:                        ohash_delete(&inos);
                    488:                        ohash_init(&inos, 6, &ino_info);
                    489:                        ohash_delete(&filenames);
                    490:                        ohash_init(&filenames, 6, &filename_info);
                    491:                }
                    492:        }
                    493: out:
1.59      schwarze  494:        set_basedir(NULL);
1.50      kristaps  495:        manpath_free(&dirs);
                    496:        mchars_free(mc);
                    497:        mparse_free(mp);
1.53      kristaps  498:        for (s = ohash_first(&strings, &index);
                    499:                        NULL != s; s = ohash_next(&strings, &index)) {
1.50      kristaps  500:                if (s->utf8 != s->key)
                    501:                        free(s->utf8);
                    502:                free(s);
                    503:        }
                    504:        ohash_delete(&strings);
                    505:        ohash_delete(&inos);
                    506:        ohash_delete(&filenames);
                    507:        offree();
1.59      schwarze  508:        return(exitcode);
1.50      kristaps  509: usage:
                    510:        fprintf(stderr, "usage: %s [-anvW] [-C file]\n"
                    511:                        "       %s [-anvW] dir ...\n"
                    512:                        "       %s [-nvW] -d dir [file ...]\n"
                    513:                        "       %s [-nvW] -u dir [file ...]\n"
                    514:                        "       %s -t file ...\n",
                    515:                       progname, progname, progname,
                    516:                       progname, progname);
                    517:
1.59      schwarze  518:        return((int)MANDOCLEVEL_BADARG);
1.50      kristaps  519: }
                    520:
                    521: /*
1.59      schwarze  522:  * Scan a directory tree rooted at "basedir" for manpages.
1.50      kristaps  523:  * We use fts(), scanning directory parts along the way for clues to our
                    524:  * section and architecture.
                    525:  *
                    526:  * If use_all has been specified, grok all files.
                    527:  * If not, sanitise paths to the following:
                    528:  *
                    529:  *   [./]man*[/<arch>]/<name>.<section>
                    530:  *   or
                    531:  *   [./]cat<section>[/<arch>]/<name>.0
                    532:  *
                    533:  * TODO: accomodate for multi-language directories.
                    534:  */
                    535: static int
1.59      schwarze  536: treescan(void)
1.50      kristaps  537: {
                    538:        FTS             *f;
                    539:        FTSENT          *ff;
                    540:        int              dform;
                    541:        char            *sec;
                    542:        const char      *dsec, *arch, *cp, *name, *path;
                    543:        const char      *argv[2];
                    544:
                    545:        argv[0] = ".";
                    546:        argv[1] = (char *)NULL;
                    547:
                    548:        /*
                    549:         * Walk through all components under the directory, using the
                    550:         * logical descent of files.
                    551:         */
                    552:        f = fts_open((char * const *)argv, FTS_LOGICAL, NULL);
                    553:        if (NULL == f) {
1.59      schwarze  554:                exitcode = (int)MANDOCLEVEL_SYSERR;
                    555:                say("", NULL);
1.50      kristaps  556:                return(0);
                    557:        }
                    558:
                    559:        dsec = arch = NULL;
                    560:        dform = FORM_NONE;
                    561:
                    562:        while (NULL != (ff = fts_read(f))) {
                    563:                path = ff->fts_path + 2;
                    564:                /*
                    565:                 * If we're a regular file, add an "of" by using the
                    566:                 * stored directory data and handling the filename.
                    567:                 * Disallow duplicate (hard-linked) files.
                    568:                 */
                    569:                if (FTS_F == ff->fts_info) {
1.60    ! schwarze  570:                        if (0 == strcmp(path, MANDOC_DB))
        !           571:                                continue;
1.50      kristaps  572:                        if ( ! use_all && ff->fts_level < 2) {
1.56      schwarze  573:                                if (warnings)
1.59      schwarze  574:                                        say(path, "Extraneous file");
1.50      kristaps  575:                                continue;
                    576:                        } else if (inocheck(ff->fts_statp)) {
1.56      schwarze  577:                                if (warnings)
1.59      schwarze  578:                                        say(path, "Duplicate file");
1.50      kristaps  579:                                continue;
1.60    ! schwarze  580:                        } else if (NULL == (sec =
        !           581:                                        strrchr(ff->fts_name, '.'))) {
        !           582:                                if ( ! use_all) {
1.56      schwarze  583:                                        if (warnings)
1.60    ! schwarze  584:                                                say(path,
        !           585:                                                    "No filename suffix");
1.50      kristaps  586:                                        continue;
                    587:                                }
1.60    ! schwarze  588:                        } else if (0 == strcmp(++sec, "html")) {
        !           589:                                if (warnings)
        !           590:                                        say(path, "Skip html");
        !           591:                                continue;
        !           592:                        } else if (0 == strcmp(sec, "gz")) {
        !           593:                                if (warnings)
        !           594:                                        say(path, "Skip gz");
        !           595:                                continue;
        !           596:                        } else if (0 == strcmp(sec, "ps")) {
        !           597:                                if (warnings)
        !           598:                                        say(path, "Skip ps");
        !           599:                                continue;
        !           600:                        } else if (0 == strcmp(sec, "pdf")) {
        !           601:                                if (warnings)
        !           602:                                        say(path, "Skip pdf");
        !           603:                                continue;
        !           604:                        } else if ( ! use_all &&
        !           605:                            ((FORM_SRC == dform && strcmp(sec, dsec)) ||
        !           606:                             (FORM_CAT == dform && strcmp(sec, "0")))) {
        !           607:                                if (warnings)
        !           608:                                        say(path, "Wrong filename suffix");
        !           609:                                continue;
        !           610:                        } else {
        !           611:                                sec[-1] = '\0';
        !           612:                                sec = stradd(sec);
1.50      kristaps  613:                        }
                    614:                        name = stradd(ff->fts_name);
1.59      schwarze  615:                        ofadd(dform, path,
1.50      kristaps  616:                                name, dsec, sec, arch, ff->fts_statp);
                    617:                        continue;
                    618:                } else if (FTS_D != ff->fts_info &&
1.60    ! schwarze  619:                                FTS_DP != ff->fts_info) {
        !           620:                        if (warnings)
        !           621:                                say(path, "Not a regular file");
1.50      kristaps  622:                        continue;
1.60    ! schwarze  623:                }
1.1       kristaps  624:
1.50      kristaps  625:                switch (ff->fts_level) {
                    626:                case (0):
                    627:                        /* Ignore the root directory. */
                    628:                        break;
                    629:                case (1):
                    630:                        /*
                    631:                         * This might contain manX/ or catX/.
                    632:                         * Try to infer this from the name.
                    633:                         * If we're not in use_all, enforce it.
                    634:                         */
                    635:                        dsec = NULL;
                    636:                        dform = FORM_NONE;
                    637:                        cp = ff->fts_name;
                    638:                        if (FTS_DP == ff->fts_info)
                    639:                                break;
1.1       kristaps  640:
1.50      kristaps  641:                        if (0 == strncmp(cp, "man", 3)) {
                    642:                                dform = FORM_SRC;
                    643:                                dsec = stradd(cp + 3);
                    644:                        } else if (0 == strncmp(cp, "cat", 3)) {
                    645:                                dform = FORM_CAT;
                    646:                                dsec = stradd(cp + 3);
                    647:                        }
1.1       kristaps  648:
1.50      kristaps  649:                        if (NULL != dsec || use_all)
                    650:                                break;
1.1       kristaps  651:
1.56      schwarze  652:                        if (warnings)
1.59      schwarze  653:                                say(path, "Unknown directory part");
1.50      kristaps  654:                        fts_set(f, ff, FTS_SKIP);
                    655:                        break;
                    656:                case (2):
                    657:                        /*
                    658:                         * Possibly our architecture.
                    659:                         * If we're descending, keep tabs on it.
                    660:                         */
                    661:                        arch = NULL;
                    662:                        if (FTS_DP != ff->fts_info && NULL != dsec)
                    663:                                arch = stradd(ff->fts_name);
                    664:                        break;
                    665:                default:
                    666:                        if (FTS_DP == ff->fts_info || use_all)
                    667:                                break;
1.56      schwarze  668:                        if (warnings)
1.59      schwarze  669:                                say(path, "Extraneous directory part");
1.50      kristaps  670:                        fts_set(f, ff, FTS_SKIP);
                    671:                        break;
1.5       kristaps  672:                }
1.50      kristaps  673:        }
                    674:
                    675:        fts_close(f);
                    676:        return(1);
                    677: }
1.5       kristaps  678:
1.50      kristaps  679: /*
                    680:  * Add a file to the file vector.
                    681:  * Do not verify that it's a "valid" looking manpage (we'll do that
                    682:  * later).
                    683:  *
                    684:  * Try to infer the manual section, architecture, and page name from the
                    685:  * path, assuming it looks like
                    686:  *
                    687:  *   [./]man*[/<arch>]/<name>.<section>
                    688:  *   or
                    689:  *   [./]cat<section>[/<arch>]/<name>.0
                    690:  *
                    691:  * Stuff this information directly into the "of" vector.
                    692:  * See treescan() for the fts(3) version of this.
                    693:  */
                    694: static void
1.59      schwarze  695: filescan(const char *file)
1.50      kristaps  696: {
1.59      schwarze  697:        char             buf[PATH_MAX];
1.50      kristaps  698:        const char      *sec, *arch, *name, *dsec;
1.59      schwarze  699:        char            *p, *start;
1.50      kristaps  700:        int              dform;
                    701:        struct stat      st;
1.5       kristaps  702:
1.50      kristaps  703:        assert(use_all);
1.5       kristaps  704:
1.50      kristaps  705:        if (0 == strncmp(file, "./", 2))
                    706:                file += 2;
1.5       kristaps  707:
1.59      schwarze  708:        if (NULL == realpath(file, buf)) {
                    709:                exitcode = (int)MANDOCLEVEL_BADARG;
                    710:                say(file, NULL);
                    711:                return;
                    712:        } else if (strstr(buf, basedir) != buf) {
                    713:                exitcode = (int)MANDOCLEVEL_BADARG;
                    714:                say("", "%s: outside base directory", buf);
                    715:                return;
                    716:        } else if (-1 == stat(buf, &st)) {
                    717:                exitcode = (int)MANDOCLEVEL_BADARG;
                    718:                say(file, NULL);
1.50      kristaps  719:                return;
                    720:        } else if ( ! (S_IFREG & st.st_mode)) {
1.59      schwarze  721:                exitcode = (int)MANDOCLEVEL_BADARG;
                    722:                say(file, "Not a regular file");
1.50      kristaps  723:                return;
                    724:        } else if (inocheck(&st)) {
1.56      schwarze  725:                if (warnings)
1.59      schwarze  726:                        say(file, "Duplicate file");
1.50      kristaps  727:                return;
                    728:        }
1.59      schwarze  729:        start = buf + strlen(basedir);
1.50      kristaps  730:        sec = arch = name = dsec = NULL;
                    731:        dform = FORM_NONE;
1.17      schwarze  732:
1.50      kristaps  733:        /*
                    734:         * First try to guess our directory structure.
                    735:         * If we find a separator, try to look for man* or cat*.
                    736:         * If we find one of these and what's underneath is a directory,
                    737:         * assume it's an architecture.
                    738:         */
                    739:        if (NULL != (p = strchr(start, '/'))) {
                    740:                *p++ = '\0';
                    741:                if (0 == strncmp(start, "man", 3)) {
                    742:                        dform = FORM_SRC;
                    743:                        dsec = start + 3;
                    744:                } else if (0 == strncmp(start, "cat", 3)) {
                    745:                        dform = FORM_CAT;
                    746:                        dsec = start + 3;
1.17      schwarze  747:                }
1.5       kristaps  748:
1.50      kristaps  749:                start = p;
                    750:                if (NULL != dsec && NULL != (p = strchr(start, '/'))) {
                    751:                        *p++ = '\0';
                    752:                        arch = start;
                    753:                        start = p;
                    754:                }
                    755:        }
                    756:
                    757:        /*
                    758:         * Now check the file suffix.
                    759:         * Suffix of `.0' indicates a catpage, `.1-9' is a manpage.
                    760:         */
                    761:        p = strrchr(start, '\0');
                    762:        while (p-- > start && '/' != *p && '.' != *p)
                    763:                /* Loop. */ ;
                    764:
                    765:        if ('.' == *p) {
                    766:                *p++ = '\0';
                    767:                sec = p;
1.5       kristaps  768:        }
                    769:
1.10      kristaps  770:        /*
1.50      kristaps  771:         * Now try to parse the name.
                    772:         * Use the filename portion of the path.
1.10      kristaps  773:         */
1.50      kristaps  774:        name = start;
                    775:        if (NULL != (p = strrchr(start, '/'))) {
                    776:                name = p + 1;
                    777:                *p = '\0';
                    778:        }
                    779:
1.59      schwarze  780:        ofadd(dform, file, name, dsec, sec, arch, &st);
1.50      kristaps  781: }
                    782:
                    783: /*
                    784:  * See fileadd().
                    785:  */
                    786: static int
                    787: filecheck(const char *name)
                    788: {
                    789:        unsigned int     index;
1.10      kristaps  790:
1.50      kristaps  791:        index = ohash_qlookup(&filenames, name);
                    792:        return(NULL != ohash_find(&filenames, index));
                    793: }
1.10      kristaps  794:
1.50      kristaps  795: /*
                    796:  * Use the standard hashing mechanism (K&R) to see if the given filename
                    797:  * already exists.
                    798:  */
                    799: static void
                    800: fileadd(struct of *of)
                    801: {
                    802:        unsigned int     index;
1.1       kristaps  803:
1.50      kristaps  804:        index = ohash_qlookup(&filenames, of->file);
                    805:        assert(NULL == ohash_find(&filenames, index));
                    806:        ohash_insert(&filenames, index, of);
                    807: }
1.3       kristaps  808:
1.50      kristaps  809: /*
                    810:  * See inoadd().
                    811:  */
                    812: static int
                    813: inocheck(const struct stat *st)
                    814: {
                    815:        struct id        id;
                    816:        uint32_t         hash;
                    817:        unsigned int     index;
                    818:
                    819:        memset(&id, 0, sizeof(id));
                    820:        id.ino = hash = st->st_ino;
                    821:        id.dev = st->st_dev;
                    822:        index = ohash_lookup_memory
                    823:                (&inos, (char *)&id, sizeof(id), hash);
1.13      schwarze  824:
1.50      kristaps  825:        return(NULL != ohash_find(&inos, index));
                    826: }
1.5       kristaps  827:
1.50      kristaps  828: /*
                    829:  * The hashing function used here is quite simple: simply take the inode
                    830:  * and use uint32_t of its bits.
                    831:  * Then when we do the lookup, use both the inode and device identifier.
                    832:  */
                    833: static void
                    834: inoadd(const struct stat *st, struct of *of)
                    835: {
                    836:        uint32_t         hash;
                    837:        unsigned int     index;
1.1       kristaps  838:
1.50      kristaps  839:        of->id.ino = hash = st->st_ino;
                    840:        of->id.dev = st->st_dev;
                    841:        index = ohash_lookup_memory
                    842:                (&inos, (char *)&of->id, sizeof(of->id), hash);
1.1       kristaps  843:
1.50      kristaps  844:        assert(NULL == ohash_find(&inos, index));
                    845:        ohash_insert(&inos, index, of);
                    846: }
1.35      kristaps  847:
1.50      kristaps  848: static void
1.59      schwarze  849: ofadd(int dform, const char *file, const char *name, const char *dsec,
                    850:        const char *sec, const char *arch, const struct stat *st)
1.50      kristaps  851: {
                    852:        struct of       *of;
                    853:        int              sform;
                    854:
                    855:        assert(NULL != file);
                    856:
                    857:        if (NULL == name)
                    858:                name = "";
                    859:        if (NULL == sec)
                    860:                sec = "";
                    861:        if (NULL == dsec)
                    862:                dsec = "";
                    863:        if (NULL == arch)
                    864:                arch = "";
                    865:
                    866:        sform = FORM_NONE;
                    867:        if (NULL != sec && *sec <= '9' && *sec >= '1')
                    868:                sform = FORM_SRC;
                    869:        else if (NULL != sec && *sec == '0') {
                    870:                sec = dsec;
                    871:                sform = FORM_CAT;
                    872:        }
                    873:
                    874:        of = mandoc_calloc(1, sizeof(struct of));
1.58      schwarze  875:        strlcpy(of->file, file, PATH_MAX);
1.50      kristaps  876:        of->name = name;
                    877:        of->sec = sec;
                    878:        of->dsec = dsec;
                    879:        of->arch = arch;
                    880:        of->sform = sform;
                    881:        of->dform = dform;
                    882:        of->next = ofs;
                    883:        ofs = of;
1.3       kristaps  884:
1.50      kristaps  885:        /*
                    886:         * Add to unique identifier hash.
                    887:         * Then if it's a source manual and we're going to use source in
                    888:         * favour of catpages, add it to that hash.
                    889:         */
                    890:        inoadd(st, of);
                    891:        fileadd(of);
                    892: }
1.3       kristaps  893:
1.50      kristaps  894: static void
                    895: offree(void)
                    896: {
                    897:        struct of       *of;
1.3       kristaps  898:
1.50      kristaps  899:        while (NULL != (of = ofs)) {
                    900:                ofs = of->next;
                    901:                free(of);
                    902:        }
                    903: }
1.38      schwarze  904:
1.50      kristaps  905: /*
                    906:  * Run through the files in the global vector "ofs" and add them to the
1.59      schwarze  907:  * database specified in "basedir".
1.50      kristaps  908:  *
                    909:  * This handles the parsing scheme itself, using the cues of directory
                    910:  * and filename to determine whether the file is parsable or not.
                    911:  */
1.59      schwarze  912: static void
                    913: ofmerge(struct mchars *mc, struct mparse *mp)
1.50      kristaps  914: {
                    915:        int              form;
                    916:        size_t           sz;
1.3       kristaps  917:        struct mdoc     *mdoc;
                    918:        struct man      *man;
1.58      schwarze  919:        char             buf[PATH_MAX];
1.50      kristaps  920:        char            *bufp;
                    921:        const char      *msec, *march, *mtitle, *cp;
                    922:        struct of       *of;
                    923:        enum mandoclevel lvl;
                    924:
                    925:        for (of = ofs; NULL != of; of = of->next) {
                    926:                /*
                    927:                 * If we're a catpage (as defined by our path), then see
                    928:                 * if a manpage exists by the same name (ignoring the
                    929:                 * suffix).
                    930:                 * If it does, then we want to use it instead of our
                    931:                 * own.
                    932:                 */
                    933:                if ( ! use_all && FORM_CAT == of->dform) {
1.58      schwarze  934:                        sz = strlcpy(buf, of->file, PATH_MAX);
                    935:                        if (sz >= PATH_MAX) {
1.56      schwarze  936:                                if (warnings)
1.59      schwarze  937:                                        say(of->file, "Filename too long");
1.50      kristaps  938:                                continue;
                    939:                        }
                    940:                        bufp = strstr(buf, "cat");
                    941:                        assert(NULL != bufp);
                    942:                        memcpy(bufp, "man", 3);
                    943:                        if (NULL != (bufp = strrchr(buf, '.')))
                    944:                                *++bufp = '\0';
1.58      schwarze  945:                        strlcat(buf, of->dsec, PATH_MAX);
1.50      kristaps  946:                        if (filecheck(buf)) {
1.56      schwarze  947:                                if (warnings)
1.59      schwarze  948:                                        say(of->file, "Man "
1.56      schwarze  949:                                            "source exists: %s", buf);
1.50      kristaps  950:                                continue;
                    951:                        }
                    952:                }
                    953:
                    954:                words = NULL;
                    955:                mparse_reset(mp);
                    956:                mdoc = NULL;
                    957:                man = NULL;
                    958:                form = 0;
                    959:                msec = of->dsec;
                    960:                march = of->arch;
                    961:                mtitle = of->name;
1.14      schwarze  962:
                    963:                /*
1.33      schwarze  964:                 * Try interpreting the file as mdoc(7) or man(7)
                    965:                 * source code, unless it is already known to be
                    966:                 * formatted.  Fall back to formatted mode.
1.14      schwarze  967:                 */
1.50      kristaps  968:                if (FORM_SRC == of->dform || FORM_SRC == of->sform) {
                    969:                        lvl = mparse_readfd(mp, -1, of->file);
                    970:                        if (lvl < MANDOCLEVEL_FATAL)
                    971:                                mparse_result(mp, &mdoc, &man);
                    972:                }
1.14      schwarze  973:
                    974:                if (NULL != mdoc) {
1.50      kristaps  975:                        form = 1;
1.14      schwarze  976:                        msec = mdoc_meta(mdoc)->msec;
1.38      schwarze  977:                        march = mdoc_meta(mdoc)->arch;
1.14      schwarze  978:                        mtitle = mdoc_meta(mdoc)->title;
                    979:                } else if (NULL != man) {
1.50      kristaps  980:                        form = 1;
1.14      schwarze  981:                        msec = man_meta(man)->msec;
1.38      schwarze  982:                        march = "";
1.14      schwarze  983:                        mtitle = man_meta(man)->title;
1.50      kristaps  984:                }
                    985:
                    986:                if (NULL == msec)
                    987:                        msec = "";
                    988:                if (NULL == march)
                    989:                        march = "";
                    990:                if (NULL == mtitle)
                    991:                        mtitle = "";
1.1       kristaps  992:
1.12      schwarze  993:                /*
1.44      kristaps  994:                 * Check whether the manual section given in a file
                    995:                 * agrees with the directory where the file is located.
                    996:                 * Some manuals have suffixes like (3p) on their
                    997:                 * section number either inside the file or in the
                    998:                 * directory name, some are linked into more than one
                    999:                 * section, like encrypt(1) = makekey(8).  Do not skip
                   1000:                 * manuals for such reasons.
1.12      schwarze 1001:                 */
1.56      schwarze 1002:                if (warnings && !use_all && form &&
                   1003:                                strcasecmp(msec, of->dsec))
1.59      schwarze 1004:                        say(of->file, "Section \"%s\" "
1.50      kristaps 1005:                                "manual in %s directory",
                   1006:                                msec, of->dsec);
1.12      schwarze 1007:
1.42      schwarze 1008:                /*
                   1009:                 * Manual page directories exist for each kernel
                   1010:                 * architecture as returned by machine(1).
                   1011:                 * However, many manuals only depend on the
                   1012:                 * application architecture as returned by arch(1).
                   1013:                 * For example, some (2/ARM) manuals are shared
                   1014:                 * across the "armish" and "zaurus" kernel
                   1015:                 * architectures.
                   1016:                 * A few manuals are even shared across completely
                   1017:                 * different architectures, for example fdformat(1)
                   1018:                 * on amd64, i386, sparc, and sparc64.
                   1019:                 * Thus, warn about architecture mismatches,
                   1020:                 * but don't skip manuals for this reason.
                   1021:                 */
1.56      schwarze 1022:                if (warnings && !use_all && strcasecmp(march, of->arch))
1.59      schwarze 1023:                        say(of->file, "Architecture \"%s\" "
1.47      schwarze 1024:                                "manual in \"%s\" directory",
1.45      kristaps 1025:                                march, of->arch);
1.12      schwarze 1026:
1.50      kristaps 1027:                putkey(of, of->name, TYPE_Nm);
1.12      schwarze 1028:
1.50      kristaps 1029:                if (NULL != mdoc) {
                   1030:                        if (NULL != (cp = mdoc_meta(mdoc)->name))
                   1031:                                putkey(of, cp, TYPE_Nm);
                   1032:                        parse_mdoc(of, mdoc_node(mdoc));
                   1033:                } else if (NULL != man)
                   1034:                        parse_man(of, man_node(man));
                   1035:                else
1.59      schwarze 1036:                        parse_catpage(of);
1.44      kristaps 1037:
1.59      schwarze 1038:                dbindex(mc, form, of);
1.50      kristaps 1039:        }
                   1040: }
1.12      schwarze 1041:
1.50      kristaps 1042: static void
1.59      schwarze 1043: parse_catpage(struct of *of)
1.50      kristaps 1044: {
                   1045:        FILE            *stream;
                   1046:        char            *line, *p, *title;
                   1047:        size_t           len, plen, titlesz;
1.12      schwarze 1048:
1.50      kristaps 1049:        if (NULL == (stream = fopen(of->file, "r"))) {
1.56      schwarze 1050:                if (warnings)
1.59      schwarze 1051:                        say(of->file, NULL);
1.50      kristaps 1052:                return;
                   1053:        }
1.1       kristaps 1054:
1.50      kristaps 1055:        /* Skip to first blank line. */
1.1       kristaps 1056:
1.50      kristaps 1057:        while (NULL != (line = fgetln(stream, &len)))
                   1058:                if ('\n' == *line)
                   1059:                        break;
1.1       kristaps 1060:
1.50      kristaps 1061:        /*
                   1062:         * Assume the first line that is not indented
                   1063:         * is the first section header.  Skip to it.
                   1064:         */
1.1       kristaps 1065:
1.50      kristaps 1066:        while (NULL != (line = fgetln(stream, &len)))
                   1067:                if ('\n' != *line && ' ' != *line)
                   1068:                        break;
                   1069:
                   1070:        /*
                   1071:         * Read up until the next section into a buffer.
                   1072:         * Strip the leading and trailing newline from each read line,
                   1073:         * appending a trailing space.
                   1074:         * Ignore empty (whitespace-only) lines.
                   1075:         */
1.1       kristaps 1076:
1.50      kristaps 1077:        titlesz = 0;
                   1078:        title = NULL;
1.38      schwarze 1079:
1.50      kristaps 1080:        while (NULL != (line = fgetln(stream, &len))) {
                   1081:                if (' ' != *line || '\n' != line[len - 1])
                   1082:                        break;
                   1083:                while (len > 0 && isspace((unsigned char)*line)) {
                   1084:                        line++;
                   1085:                        len--;
                   1086:                }
                   1087:                if (1 == len)
1.38      schwarze 1088:                        continue;
1.50      kristaps 1089:                title = mandoc_realloc(title, titlesz + len);
                   1090:                memcpy(title + titlesz, line, len);
                   1091:                titlesz += len;
                   1092:                title[titlesz - 1] = ' ';
                   1093:        }
1.38      schwarze 1094:
1.50      kristaps 1095:        /*
                   1096:         * If no page content can be found, or the input line
                   1097:         * is already the next section header, or there is no
                   1098:         * trailing newline, reuse the page title as the page
                   1099:         * description.
                   1100:         */
1.44      kristaps 1101:
1.50      kristaps 1102:        if (NULL == title || '\0' == *title) {
1.56      schwarze 1103:                if (warnings)
1.59      schwarze 1104:                        say(of->file, "Cannot find NAME section");
1.50      kristaps 1105:                fclose(stream);
                   1106:                free(title);
                   1107:                return;
                   1108:        }
1.1       kristaps 1109:
1.50      kristaps 1110:        title = mandoc_realloc(title, titlesz + 1);
                   1111:        title[titlesz] = '\0';
1.33      schwarze 1112:
1.50      kristaps 1113:        /*
                   1114:         * Skip to the first dash.
                   1115:         * Use the remaining line as the description (no more than 70
                   1116:         * bytes).
                   1117:         */
1.33      schwarze 1118:
1.50      kristaps 1119:        if (NULL != (p = strstr(title, "- "))) {
                   1120:                for (p += 2; ' ' == *p || '\b' == *p; p++)
                   1121:                        /* Skip to next word. */ ;
                   1122:        } else {
1.56      schwarze 1123:                if (warnings)
1.59      schwarze 1124:                        say(of->file, "No dash in title line");
1.50      kristaps 1125:                p = title;
                   1126:        }
1.38      schwarze 1127:
1.50      kristaps 1128:        plen = strlen(p);
1.1       kristaps 1129:
1.50      kristaps 1130:        /* Strip backspace-encoding from line. */
1.1       kristaps 1131:
1.50      kristaps 1132:        while (NULL != (line = memchr(p, '\b', plen))) {
                   1133:                len = line - p;
                   1134:                if (0 == len) {
                   1135:                        memmove(line, line + 1, plen--);
                   1136:                        continue;
                   1137:                }
                   1138:                memmove(line - 1, line + 1, plen - len);
                   1139:                plen -= 2;
                   1140:        }
1.1       kristaps 1141:
1.50      kristaps 1142:        of->desc = stradd(p);
                   1143:        putkey(of, p, TYPE_Nd);
                   1144:        fclose(stream);
                   1145:        free(title);
                   1146: }
1.1       kristaps 1147:
1.50      kristaps 1148: /*
                   1149:  * Put a type/word pair into the word database for this particular file.
                   1150:  */
                   1151: static void
                   1152: putkey(const struct of *of, const char *value, uint64_t type)
                   1153: {
1.18      kristaps 1154:
1.50      kristaps 1155:        assert(NULL != value);
                   1156:        wordaddbuf(of, value, strlen(value), type);
                   1157: }
1.44      kristaps 1158:
1.50      kristaps 1159: /*
                   1160:  * Like putkey() but for unterminated strings.
                   1161:  */
                   1162: static void
                   1163: putkeys(const struct of *of, const char *value, int sz, uint64_t type)
                   1164: {
1.44      kristaps 1165:
1.50      kristaps 1166:        wordaddbuf(of, value, sz, type);
1.3       kristaps 1167: }
                   1168:
                   1169: /*
1.50      kristaps 1170:  * Grok all nodes at or below a certain mdoc node into putkey().
1.3       kristaps 1171:  */
                   1172: static void
1.50      kristaps 1173: putmdockey(const struct of *of, const struct mdoc_node *n, uint64_t m)
1.3       kristaps 1174: {
1.18      kristaps 1175:
1.50      kristaps 1176:        for ( ; NULL != n; n = n->next) {
                   1177:                if (NULL != n->child)
                   1178:                        putmdockey(of, n->child, m);
                   1179:                if (MDOC_TEXT == n->type)
                   1180:                        putkey(of, n->string, m);
                   1181:        }
                   1182: }
1.18      kristaps 1183:
1.50      kristaps 1184: static int
                   1185: parse_man(struct of *of, const struct man_node *n)
                   1186: {
                   1187:        const struct man_node *head, *body;
                   1188:        char            *start, *sv, *title;
                   1189:        char             byte;
                   1190:        size_t           sz, titlesz;
1.18      kristaps 1191:
1.50      kristaps 1192:        if (NULL == n)
                   1193:                return(0);
1.18      kristaps 1194:
1.50      kristaps 1195:        /*
                   1196:         * We're only searching for one thing: the first text child in
                   1197:         * the BODY of a NAME section.  Since we don't keep track of
                   1198:         * sections in -man, run some hoops to find out whether we're in
                   1199:         * the correct section or not.
                   1200:         */
1.18      kristaps 1201:
1.50      kristaps 1202:        if (MAN_BODY == n->type && MAN_SH == n->tok) {
                   1203:                body = n;
                   1204:                assert(body->parent);
                   1205:                if (NULL != (head = body->parent->head) &&
                   1206:                                1 == head->nchild &&
                   1207:                                NULL != (head = (head->child)) &&
                   1208:                                MAN_TEXT == head->type &&
                   1209:                                0 == strcmp(head->string, "NAME") &&
                   1210:                                NULL != (body = body->child) &&
                   1211:                                MAN_TEXT == body->type) {
1.3       kristaps 1212:
1.50      kristaps 1213:                        title = NULL;
                   1214:                        titlesz = 0;
1.3       kristaps 1215:
1.50      kristaps 1216:                        /*
                   1217:                         * Suck the entire NAME section into memory.
                   1218:                         * Yes, we might run away.
                   1219:                         * But too many manuals have big, spread-out
                   1220:                         * NAME sections over many lines.
                   1221:                         */
1.3       kristaps 1222:
1.50      kristaps 1223:                        for ( ; NULL != body; body = body->next) {
                   1224:                                if (MAN_TEXT != body->type)
                   1225:                                        break;
                   1226:                                if (0 == (sz = strlen(body->string)))
                   1227:                                        continue;
                   1228:                                title = mandoc_realloc
                   1229:                                        (title, titlesz + sz + 1);
                   1230:                                memcpy(title + titlesz, body->string, sz);
                   1231:                                titlesz += sz + 1;
                   1232:                                title[titlesz - 1] = ' ';
                   1233:                        }
                   1234:                        if (NULL == title)
                   1235:                                return(1);
1.18      kristaps 1236:
1.50      kristaps 1237:                        title = mandoc_realloc(title, titlesz + 1);
                   1238:                        title[titlesz] = '\0';
1.18      kristaps 1239:
1.50      kristaps 1240:                        /* Skip leading space.  */
1.18      kristaps 1241:
1.50      kristaps 1242:                        sv = title;
                   1243:                        while (isspace((unsigned char)*sv))
                   1244:                                sv++;
1.18      kristaps 1245:
1.50      kristaps 1246:                        if (0 == (sz = strlen(sv))) {
                   1247:                                free(title);
                   1248:                                return(1);
                   1249:                        }
1.1       kristaps 1250:
1.50      kristaps 1251:                        /* Erase trailing space. */
1.1       kristaps 1252:
1.50      kristaps 1253:                        start = &sv[sz - 1];
                   1254:                        while (start > sv && isspace((unsigned char)*start))
                   1255:                                *start-- = '\0';
1.1       kristaps 1256:
1.50      kristaps 1257:                        if (start == sv) {
                   1258:                                free(title);
                   1259:                                return(1);
                   1260:                        }
1.1       kristaps 1261:
1.50      kristaps 1262:                        start = sv;
1.18      kristaps 1263:
1.50      kristaps 1264:                        /*
                   1265:                         * Go through a special heuristic dance here.
                   1266:                         * Conventionally, one or more manual names are
                   1267:                         * comma-specified prior to a whitespace, then a
                   1268:                         * dash, then a description.  Try to puzzle out
                   1269:                         * the name parts here.
                   1270:                         */
1.18      kristaps 1271:
1.50      kristaps 1272:                        for ( ;; ) {
                   1273:                                sz = strcspn(start, " ,");
                   1274:                                if ('\0' == start[sz])
                   1275:                                        break;
1.1       kristaps 1276:
1.50      kristaps 1277:                                byte = start[sz];
                   1278:                                start[sz] = '\0';
1.1       kristaps 1279:
1.50      kristaps 1280:                                putkey(of, start, TYPE_Nm);
1.1       kristaps 1281:
1.50      kristaps 1282:                                if (' ' == byte) {
                   1283:                                        start += sz + 1;
                   1284:                                        break;
                   1285:                                }
1.1       kristaps 1286:
1.50      kristaps 1287:                                assert(',' == byte);
                   1288:                                start += sz + 1;
                   1289:                                while (' ' == *start)
                   1290:                                        start++;
                   1291:                        }
1.1       kristaps 1292:
1.50      kristaps 1293:                        if (sv == start) {
                   1294:                                putkey(of, start, TYPE_Nm);
                   1295:                                free(title);
                   1296:                                return(1);
                   1297:                        }
1.1       kristaps 1298:
1.50      kristaps 1299:                        while (isspace((unsigned char)*start))
                   1300:                                start++;
1.1       kristaps 1301:
1.50      kristaps 1302:                        if (0 == strncmp(start, "-", 1))
                   1303:                                start += 1;
                   1304:                        else if (0 == strncmp(start, "\\-\\-", 4))
                   1305:                                start += 4;
                   1306:                        else if (0 == strncmp(start, "\\-", 2))
                   1307:                                start += 2;
                   1308:                        else if (0 == strncmp(start, "\\(en", 4))
                   1309:                                start += 4;
                   1310:                        else if (0 == strncmp(start, "\\(em", 4))
                   1311:                                start += 4;
1.1       kristaps 1312:
1.50      kristaps 1313:                        while (' ' == *start)
                   1314:                                start++;
1.1       kristaps 1315:
1.50      kristaps 1316:                        assert(NULL == of->desc);
                   1317:                        of->desc = stradd(start);
                   1318:                        putkey(of, start, TYPE_Nd);
                   1319:                        free(title);
                   1320:                        return(1);
                   1321:                }
                   1322:        }
1.1       kristaps 1323:
1.50      kristaps 1324:        for (n = n->child; n; n = n->next)
                   1325:                if (parse_man(of, n))
                   1326:                        return(1);
1.1       kristaps 1327:
1.50      kristaps 1328:        return(0);
1.1       kristaps 1329: }
                   1330:
                   1331: static void
1.50      kristaps 1332: parse_mdoc(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1333: {
                   1334:
1.50      kristaps 1335:        assert(NULL != n);
                   1336:        for (n = n->child; NULL != n; n = n->next) {
                   1337:                switch (n->type) {
                   1338:                case (MDOC_ELEM):
                   1339:                        /* FALLTHROUGH */
                   1340:                case (MDOC_BLOCK):
                   1341:                        /* FALLTHROUGH */
                   1342:                case (MDOC_HEAD):
                   1343:                        /* FALLTHROUGH */
                   1344:                case (MDOC_BODY):
                   1345:                        /* FALLTHROUGH */
                   1346:                case (MDOC_TAIL):
                   1347:                        if (NULL != mdocs[n->tok].fp)
                   1348:                               if (0 == (*mdocs[n->tok].fp)(of, n))
                   1349:                                       break;
1.1       kristaps 1350:
1.50      kristaps 1351:                        if (MDOCF_CHILD & mdocs[n->tok].flags)
                   1352:                                putmdockey(of, n->child, mdocs[n->tok].mask);
                   1353:                        break;
                   1354:                default:
                   1355:                        assert(MDOC_ROOT != n->type);
                   1356:                        continue;
                   1357:                }
                   1358:                if (NULL != n->child)
                   1359:                        parse_mdoc(of, n);
1.1       kristaps 1360:        }
                   1361: }
                   1362:
1.25      schwarze 1363: static int
1.50      kristaps 1364: parse_mdoc_Fd(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1365: {
                   1366:        const char      *start, *end;
                   1367:        size_t           sz;
1.25      schwarze 1368:
1.50      kristaps 1369:        if (SEC_SYNOPSIS != n->sec ||
                   1370:                        NULL == (n = n->child) ||
                   1371:                        MDOC_TEXT != n->type)
1.25      schwarze 1372:                return(0);
1.1       kristaps 1373:
                   1374:        /*
                   1375:         * Only consider those `Fd' macro fields that begin with an
                   1376:         * "inclusion" token (versus, e.g., #define).
                   1377:         */
1.50      kristaps 1378:
1.1       kristaps 1379:        if (strcmp("#include", n->string))
1.25      schwarze 1380:                return(0);
1.1       kristaps 1381:
                   1382:        if (NULL == (n = n->next) || MDOC_TEXT != n->type)
1.25      schwarze 1383:                return(0);
1.1       kristaps 1384:
                   1385:        /*
                   1386:         * Strip away the enclosing angle brackets and make sure we're
                   1387:         * not zero-length.
                   1388:         */
                   1389:
                   1390:        start = n->string;
                   1391:        if ('<' == *start || '"' == *start)
                   1392:                start++;
                   1393:
                   1394:        if (0 == (sz = strlen(start)))
1.25      schwarze 1395:                return(0);
1.1       kristaps 1396:
                   1397:        end = &start[(int)sz - 1];
                   1398:        if ('>' == *end || '"' == *end)
                   1399:                end--;
                   1400:
1.50      kristaps 1401:        if (end > start)
                   1402:                putkeys(of, start, end - start + 1, TYPE_In);
1.25      schwarze 1403:        return(1);
1.1       kristaps 1404: }
                   1405:
1.25      schwarze 1406: static int
1.50      kristaps 1407: parse_mdoc_In(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1408: {
                   1409:
1.50      kristaps 1410:        if (NULL != n->child && MDOC_TEXT == n->child->type)
1.25      schwarze 1411:                return(0);
1.1       kristaps 1412:
1.50      kristaps 1413:        putkey(of, n->child->string, TYPE_In);
1.25      schwarze 1414:        return(1);
1.1       kristaps 1415: }
                   1416:
1.25      schwarze 1417: static int
1.50      kristaps 1418: parse_mdoc_Fn(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1419: {
                   1420:        const char      *cp;
                   1421:
1.50      kristaps 1422:        if (NULL == (n = n->child) || MDOC_TEXT != n->type)
1.25      schwarze 1423:                return(0);
                   1424:
1.50      kristaps 1425:        /*
                   1426:         * Parse: .Fn "struct type *name" "char *arg".
                   1427:         * First strip away pointer symbol.
                   1428:         * Then store the function name, then type.
                   1429:         * Finally, store the arguments.
                   1430:         */
1.1       kristaps 1431:
1.50      kristaps 1432:        if (NULL == (cp = strrchr(n->string, ' ')))
                   1433:                cp = n->string;
1.1       kristaps 1434:
                   1435:        while ('*' == *cp)
                   1436:                cp++;
                   1437:
1.50      kristaps 1438:        putkey(of, cp, TYPE_Fn);
1.25      schwarze 1439:
1.50      kristaps 1440:        if (n->string < cp)
                   1441:                putkeys(of, n->string, cp - n->string, TYPE_Ft);
1.25      schwarze 1442:
1.50      kristaps 1443:        for (n = n->next; NULL != n; n = n->next)
                   1444:                if (MDOC_TEXT == n->type)
                   1445:                        putkey(of, n->string, TYPE_Fa);
1.25      schwarze 1446:
                   1447:        return(0);
1.1       kristaps 1448: }
                   1449:
1.25      schwarze 1450: static int
1.50      kristaps 1451: parse_mdoc_St(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1452: {
1.25      schwarze 1453:
1.1       kristaps 1454:        if (NULL == n->child || MDOC_TEXT != n->child->type)
1.25      schwarze 1455:                return(0);
1.1       kristaps 1456:
1.50      kristaps 1457:        putkey(of, n->child->string, TYPE_St);
1.25      schwarze 1458:        return(1);
1.1       kristaps 1459: }
                   1460:
1.25      schwarze 1461: static int
1.50      kristaps 1462: parse_mdoc_Xr(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1463: {
                   1464:
                   1465:        if (NULL == (n = n->child))
1.25      schwarze 1466:                return(0);
1.1       kristaps 1467:
1.50      kristaps 1468:        putkey(of, n->string, TYPE_Xr);
1.25      schwarze 1469:        return(1);
1.1       kristaps 1470: }
                   1471:
1.25      schwarze 1472: static int
1.50      kristaps 1473: parse_mdoc_Nd(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1474: {
1.50      kristaps 1475:        size_t           sz;
                   1476:        char            *sv, *desc;
1.1       kristaps 1477:
                   1478:        if (MDOC_BODY != n->type)
1.25      schwarze 1479:                return(0);
1.1       kristaps 1480:
1.50      kristaps 1481:        /*
                   1482:         * Special-case the `Nd' because we need to put the description
                   1483:         * into the document table.
                   1484:         */
                   1485:
                   1486:        desc = NULL;
                   1487:        for (n = n->child; NULL != n; n = n->next) {
                   1488:                if (MDOC_TEXT == n->type) {
                   1489:                        sz = strlen(n->string) + 1;
                   1490:                        if (NULL != (sv = desc))
                   1491:                                sz += strlen(desc) + 1;
                   1492:                        desc = mandoc_realloc(desc, sz);
                   1493:                        if (NULL != sv)
                   1494:                                strlcat(desc, " ", sz);
                   1495:                        else
                   1496:                                *desc = '\0';
                   1497:                        strlcat(desc, n->string, sz);
                   1498:                }
                   1499:                if (NULL != n->child)
                   1500:                        parse_mdoc_Nd(of, n);
                   1501:        }
                   1502:
                   1503:        of->desc = NULL != desc ? stradd(desc) : NULL;
                   1504:        free(desc);
1.25      schwarze 1505:        return(1);
1.1       kristaps 1506: }
                   1507:
1.25      schwarze 1508: static int
1.50      kristaps 1509: parse_mdoc_Nm(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1510: {
                   1511:
1.25      schwarze 1512:        if (SEC_NAME == n->sec)
                   1513:                return(1);
                   1514:        else if (SEC_SYNOPSIS != n->sec || MDOC_HEAD != n->type)
                   1515:                return(0);
1.1       kristaps 1516:
1.25      schwarze 1517:        return(1);
1.1       kristaps 1518: }
                   1519:
1.25      schwarze 1520: static int
1.50      kristaps 1521: parse_mdoc_Sh(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1522: {
                   1523:
1.25      schwarze 1524:        return(SEC_CUSTOM == n->sec && MDOC_HEAD == n->type);
1.1       kristaps 1525: }
                   1526:
1.50      kristaps 1527: static int
                   1528: parse_mdoc_head(struct of *of, const struct mdoc_node *n)
1.1       kristaps 1529: {
                   1530:
1.50      kristaps 1531:        return(MDOC_HEAD == n->type);
                   1532: }
1.1       kristaps 1533:
1.50      kristaps 1534: static int
                   1535: parse_mdoc_body(struct of *of, const struct mdoc_node *n)
                   1536: {
1.1       kristaps 1537:
1.50      kristaps 1538:        return(MDOC_BODY == n->type);
1.1       kristaps 1539: }
                   1540:
1.50      kristaps 1541: /*
                   1542:  * See straddbuf().
                   1543:  */
                   1544: static char *
                   1545: stradd(const char *cp)
1.1       kristaps 1546: {
                   1547:
1.50      kristaps 1548:        return(straddbuf(cp, strlen(cp)));
1.1       kristaps 1549: }
                   1550:
                   1551: /*
1.50      kristaps 1552:  * This looks up or adds a string to the string table.
                   1553:  * The string table is a table of all strings encountered during parse
                   1554:  * or file scan.
                   1555:  * In using it, we avoid having thousands of (e.g.) "cat1" string
                   1556:  * allocations for the "of" table.
                   1557:  * We also have a layer atop the string table for keeping track of words
                   1558:  * in a parse sequence (see wordaddbuf()).
1.1       kristaps 1559:  */
1.50      kristaps 1560: static char *
                   1561: straddbuf(const char *cp, size_t sz)
1.1       kristaps 1562: {
1.50      kristaps 1563:        struct str      *s;
                   1564:        unsigned int     index;
                   1565:        const char      *end;
                   1566:
                   1567:        if (NULL != (s = hashget(cp, sz)))
                   1568:                return(s->key);
1.1       kristaps 1569:
1.51      kristaps 1570:        s = mandoc_calloc(sizeof(struct str) + sz + 1, 1);
1.50      kristaps 1571:        memcpy(s->key, cp, sz);
1.1       kristaps 1572:
1.50      kristaps 1573:        end = cp + sz;
                   1574:        index = ohash_qlookupi(&strings, cp, &end);
                   1575:        assert(NULL == ohash_find(&strings, index));
                   1576:        ohash_insert(&strings, index, s);
                   1577:        return(s->key);
                   1578: }
1.25      schwarze 1579:
1.50      kristaps 1580: static struct str *
                   1581: hashget(const char *cp, size_t sz)
                   1582: {
                   1583:        unsigned int     index;
                   1584:        const char      *end;
1.25      schwarze 1585:
1.50      kristaps 1586:        end = cp + sz;
                   1587:        index = ohash_qlookupi(&strings, cp, &end);
                   1588:        return(ohash_find(&strings, index));
                   1589: }
1.1       kristaps 1590:
1.50      kristaps 1591: /*
                   1592:  * Add a word to the current parse sequence.
                   1593:  * Within the hashtable of strings, we maintain a list of strings that
                   1594:  * are currently indexed.
                   1595:  * Each of these ("words") has a bitmask modified within the parse.
                   1596:  * When we finish a parse, we'll dump the list, then remove the head
                   1597:  * entry -- since the next parse will have a new "of", it can keep track
                   1598:  * of its entries without conflict.
                   1599:  */
                   1600: static void
                   1601: wordaddbuf(const struct of *of,
                   1602:                const char *cp, size_t sz, uint64_t v)
                   1603: {
                   1604:        struct str      *s;
                   1605:        unsigned int     index;
                   1606:        const char      *end;
1.25      schwarze 1607:
1.50      kristaps 1608:        if (0 == sz)
                   1609:                return;
1.25      schwarze 1610:
1.50      kristaps 1611:        s = hashget(cp, sz);
1.25      schwarze 1612:
1.50      kristaps 1613:        if (NULL != s && of == s->of) {
                   1614:                s->mask |= v;
                   1615:                return;
                   1616:        } else if (NULL == s) {
1.51      kristaps 1617:                s = mandoc_calloc(sizeof(struct str) + sz + 1, 1);
1.50      kristaps 1618:                memcpy(s->key, cp, sz);
                   1619:                end = cp + sz;
                   1620:                index = ohash_qlookupi(&strings, cp, &end);
                   1621:                assert(NULL == ohash_find(&strings, index));
                   1622:                ohash_insert(&strings, index, s);
1.1       kristaps 1623:        }
                   1624:
1.50      kristaps 1625:        s->next = words;
                   1626:        s->of = of;
                   1627:        s->mask = v;
                   1628:        words = s;
1.1       kristaps 1629: }
                   1630:
1.50      kristaps 1631: /*
                   1632:  * Take a Unicode codepoint and produce its UTF-8 encoding.
                   1633:  * This isn't the best way to do this, but it works.
                   1634:  * The magic numbers are from the UTF-8 packaging.
                   1635:  * They're not as scary as they seem: read the UTF-8 spec for details.
                   1636:  */
                   1637: static size_t
                   1638: utf8(unsigned int cp, char out[7])
1.1       kristaps 1639: {
1.50      kristaps 1640:        size_t           rc;
1.1       kristaps 1641:
1.50      kristaps 1642:        rc = 0;
                   1643:        if (cp <= 0x0000007F) {
                   1644:                rc = 1;
                   1645:                out[0] = (char)cp;
                   1646:        } else if (cp <= 0x000007FF) {
                   1647:                rc = 2;
                   1648:                out[0] = (cp >> 6  & 31) | 192;
                   1649:                out[1] = (cp       & 63) | 128;
                   1650:        } else if (cp <= 0x0000FFFF) {
                   1651:                rc = 3;
                   1652:                out[0] = (cp >> 12 & 15) | 224;
                   1653:                out[1] = (cp >> 6  & 63) | 128;
                   1654:                out[2] = (cp       & 63) | 128;
                   1655:        } else if (cp <= 0x001FFFFF) {
                   1656:                rc = 4;
                   1657:                out[0] = (cp >> 18 &  7) | 240;
                   1658:                out[1] = (cp >> 12 & 63) | 128;
                   1659:                out[2] = (cp >> 6  & 63) | 128;
                   1660:                out[3] = (cp       & 63) | 128;
                   1661:        } else if (cp <= 0x03FFFFFF) {
                   1662:                rc = 5;
                   1663:                out[0] = (cp >> 24 &  3) | 248;
                   1664:                out[1] = (cp >> 18 & 63) | 128;
                   1665:                out[2] = (cp >> 12 & 63) | 128;
                   1666:                out[3] = (cp >> 6  & 63) | 128;
                   1667:                out[4] = (cp       & 63) | 128;
                   1668:        } else if (cp <= 0x7FFFFFFF) {
                   1669:                rc = 6;
                   1670:                out[0] = (cp >> 30 &  1) | 252;
                   1671:                out[1] = (cp >> 24 & 63) | 128;
                   1672:                out[2] = (cp >> 18 & 63) | 128;
                   1673:                out[3] = (cp >> 12 & 63) | 128;
                   1674:                out[4] = (cp >> 6  & 63) | 128;
                   1675:                out[5] = (cp       & 63) | 128;
                   1676:        } else
1.1       kristaps 1677:                return(0);
                   1678:
1.50      kristaps 1679:        out[rc] = '\0';
                   1680:        return(rc);
                   1681: }
1.1       kristaps 1682:
1.50      kristaps 1683: /*
                   1684:  * Store the UTF-8 version of a key, or alias the pointer if the key has
                   1685:  * no UTF-8 transcription marks in it.
                   1686:  */
                   1687: static void
                   1688: utf8key(struct mchars *mc, struct str *key)
                   1689: {
                   1690:        size_t           sz, bsz, pos;
                   1691:        char             utfbuf[7], res[5];
                   1692:        char            *buf;
                   1693:        const char      *seq, *cpp, *val;
                   1694:        int              len, u;
                   1695:        enum mandoc_esc  esc;
                   1696:
                   1697:        assert(NULL == key->utf8);
                   1698:
                   1699:        res[0] = '\\';
                   1700:        res[1] = '\t';
                   1701:        res[2] = ASCII_NBRSP;
                   1702:        res[3] = ASCII_HYPH;
                   1703:        res[4] = '\0';
1.1       kristaps 1704:
1.50      kristaps 1705:        val = key->key;
                   1706:        bsz = strlen(val);
1.46      kristaps 1707:
1.50      kristaps 1708:        /*
                   1709:         * Pre-check: if we have no stop-characters, then set the
                   1710:         * pointer as ourselvse and get out of here.
                   1711:         */
                   1712:        if (strcspn(val, res) == bsz) {
                   1713:                key->utf8 = key->key;
                   1714:                return;
                   1715:        }
1.46      kristaps 1716:
1.50      kristaps 1717:        /* Pre-allocate by the length of the input */
1.46      kristaps 1718:
1.50      kristaps 1719:        buf = mandoc_malloc(++bsz);
                   1720:        pos = 0;
1.46      kristaps 1721:
1.50      kristaps 1722:        while ('\0' != *val) {
                   1723:                /*
                   1724:                 * Halt on the first escape sequence.
                   1725:                 * This also halts on the end of string, in which case
                   1726:                 * we just copy, fallthrough, and exit the loop.
                   1727:                 */
                   1728:                if ((sz = strcspn(val, res)) > 0) {
                   1729:                        memcpy(&buf[pos], val, sz);
                   1730:                        pos += sz;
                   1731:                        val += sz;
                   1732:                }
1.46      kristaps 1733:
1.50      kristaps 1734:                if (ASCII_HYPH == *val) {
                   1735:                        buf[pos++] = '-';
                   1736:                        val++;
                   1737:                        continue;
                   1738:                } else if ('\t' == *val || ASCII_NBRSP == *val) {
                   1739:                        buf[pos++] = ' ';
                   1740:                        val++;
                   1741:                        continue;
                   1742:                } else if ('\\' != *val)
                   1743:                        break;
1.46      kristaps 1744:
1.50      kristaps 1745:                /* Read past the slash. */
1.46      kristaps 1746:
1.50      kristaps 1747:                val++;
                   1748:                u = 0;
1.46      kristaps 1749:
1.50      kristaps 1750:                /*
                   1751:                 * Parse the escape sequence and see if it's a
                   1752:                 * predefined character or special character.
                   1753:                 */
                   1754:                esc = mandoc_escape
                   1755:                        ((const char **)&val, &seq, &len);
                   1756:                if (ESCAPE_ERROR == esc)
                   1757:                        break;
1.1       kristaps 1758:
1.50      kristaps 1759:                if (ESCAPE_SPECIAL != esc)
                   1760:                        continue;
                   1761:                if (0 == (u = mchars_spec2cp(mc, seq, len)))
                   1762:                        continue;
1.1       kristaps 1763:
1.50      kristaps 1764:                /*
                   1765:                 * If we have a Unicode codepoint, try to convert that
                   1766:                 * to a UTF-8 byte string.
                   1767:                 */
                   1768:                cpp = utfbuf;
                   1769:                if (0 == (sz = utf8(u, utfbuf)))
                   1770:                        continue;
1.1       kristaps 1771:
1.50      kristaps 1772:                /* Copy the rendered glyph into the stream. */
1.1       kristaps 1773:
1.50      kristaps 1774:                sz = strlen(cpp);
                   1775:                bsz += sz;
1.1       kristaps 1776:
1.50      kristaps 1777:                buf = mandoc_realloc(buf, bsz);
1.1       kristaps 1778:
1.50      kristaps 1779:                memcpy(&buf[pos], cpp, sz);
                   1780:                pos += sz;
1.1       kristaps 1781:        }
                   1782:
1.50      kristaps 1783:        buf[pos] = '\0';
                   1784:        key->utf8 = buf;
1.1       kristaps 1785: }
                   1786:
1.14      schwarze 1787: /*
1.50      kristaps 1788:  * Flush the current page's terms (and their bits) into the database.
                   1789:  * Wrap the entire set of additions in a transaction to make sqlite be a
                   1790:  * little faster.
                   1791:  * Also, UTF-8-encode the description at the last possible moment.
1.14      schwarze 1792:  */
                   1793: static void
1.59      schwarze 1794: dbindex(struct mchars *mc, int form, const struct of *of)
1.14      schwarze 1795: {
1.50      kristaps 1796:        struct str      *key;
                   1797:        const char      *desc;
                   1798:        int64_t          recno;
1.52      kristaps 1799:        size_t           i;
1.14      schwarze 1800:
1.56      schwarze 1801:        if (verb)
1.59      schwarze 1802:                say(of->file, "Adding to index");
1.43      kristaps 1803:
1.50      kristaps 1804:        if (nodb)
1.14      schwarze 1805:                return;
1.28      kristaps 1806:
1.50      kristaps 1807:        desc = "";
                   1808:        if (NULL != of->desc) {
                   1809:                key = hashget(of->desc, strlen(of->desc));
                   1810:                assert(NULL != key);
                   1811:                if (NULL == key->utf8)
                   1812:                        utf8key(mc, key);
                   1813:                desc = key->utf8;
                   1814:        }
                   1815:
1.52      kristaps 1816:        SQL_EXEC("BEGIN TRANSACTION");
1.50      kristaps 1817:
1.52      kristaps 1818:        i = 1;
                   1819:        SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->file);
                   1820:        SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->sec);
                   1821:        SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, of->arch);
                   1822:        SQL_BIND_TEXT(stmts[STMT_INSERT_DOC], i, desc);
                   1823:        SQL_BIND_INT(stmts[STMT_INSERT_DOC], i, form);
                   1824:        SQL_STEP(stmts[STMT_INSERT_DOC]);
1.50      kristaps 1825:        recno = sqlite3_last_insert_rowid(db);
                   1826:        sqlite3_reset(stmts[STMT_INSERT_DOC]);
                   1827:
                   1828:        for (key = words; NULL != key; key = key->next) {
                   1829:                assert(key->of == of);
                   1830:                if (NULL == key->utf8)
                   1831:                        utf8key(mc, key);
1.52      kristaps 1832:                i = 1;
                   1833:                SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
                   1834:                SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->utf8);
                   1835:                SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, recno);
                   1836:                SQL_STEP(stmts[STMT_INSERT_KEY]);
1.50      kristaps 1837:                sqlite3_reset(stmts[STMT_INSERT_KEY]);
1.38      schwarze 1838:        }
1.28      kristaps 1839:
1.52      kristaps 1840:        SQL_EXEC("END TRANSACTION");
1.14      schwarze 1841: }
                   1842:
1.5       kristaps 1843: static void
1.59      schwarze 1844: dbprune(void)
1.5       kristaps 1845: {
1.50      kristaps 1846:        struct of       *of;
1.52      kristaps 1847:        size_t           i;
1.5       kristaps 1848:
1.50      kristaps 1849:        if (nodb)
                   1850:                return;
1.12      schwarze 1851:
1.50      kristaps 1852:        for (of = ofs; NULL != of; of = of->next) {
1.52      kristaps 1853:                i = 1;
                   1854:                SQL_BIND_TEXT(stmts[STMT_DELETE], i, of->file);
                   1855:                SQL_STEP(stmts[STMT_DELETE]);
1.50      kristaps 1856:                sqlite3_reset(stmts[STMT_DELETE]);
1.56      schwarze 1857:                if (verb)
1.59      schwarze 1858:                        say(of->file, "Deleted from index");
1.5       kristaps 1859:        }
                   1860: }
                   1861:
1.4       kristaps 1862: /*
1.50      kristaps 1863:  * Close an existing database and its prepared statements.
                   1864:  * If "real" is not set, rename the temporary file into the real one.
1.4       kristaps 1865:  */
1.35      kristaps 1866: static void
1.59      schwarze 1867: dbclose(int real)
1.4       kristaps 1868: {
1.50      kristaps 1869:        size_t           i;
1.58      schwarze 1870:        char             file[PATH_MAX];
1.4       kristaps 1871:
1.50      kristaps 1872:        if (nodb)
1.38      schwarze 1873:                return;
1.50      kristaps 1874:
                   1875:        for (i = 0; i < STMT__MAX; i++) {
                   1876:                sqlite3_finalize(stmts[i]);
                   1877:                stmts[i] = NULL;
1.4       kristaps 1878:        }
                   1879:
1.50      kristaps 1880:        sqlite3_close(db);
                   1881:        db = NULL;
1.12      schwarze 1882:
1.50      kristaps 1883:        if (real)
                   1884:                return;
1.12      schwarze 1885:
1.58      schwarze 1886:        strlcpy(file, MANDOC_DB, PATH_MAX);
                   1887:        strlcat(file, "~", PATH_MAX);
1.59      schwarze 1888:        if (-1 == rename(file, MANDOC_DB)) {
                   1889:                exitcode = (int)MANDOCLEVEL_SYSERR;
                   1890:                say(MANDOC_DB, NULL);
                   1891:        }
1.50      kristaps 1892: }
1.14      schwarze 1893:
1.50      kristaps 1894: /*
                   1895:  * This is straightforward stuff.
                   1896:  * Open a database connection to a "temporary" database, then open a set
                   1897:  * of prepared statements we'll use over and over again.
                   1898:  * If "real" is set, we use the existing database; if not, we truncate a
                   1899:  * temporary one.
                   1900:  * Must be matched by dbclose().
                   1901:  */
                   1902: static int
1.59      schwarze 1903: dbopen(int real)
1.50      kristaps 1904: {
1.58      schwarze 1905:        char             file[PATH_MAX];
1.50      kristaps 1906:        const char      *sql;
                   1907:        int              rc, ofl;
                   1908:        size_t           sz;
1.12      schwarze 1909:
1.50      kristaps 1910:        if (nodb)
                   1911:                return(1);
1.12      schwarze 1912:
1.58      schwarze 1913:        sz = strlcpy(file, MANDOC_DB, PATH_MAX);
1.50      kristaps 1914:        if ( ! real)
1.58      schwarze 1915:                sz = strlcat(file, "~", PATH_MAX);
1.5       kristaps 1916:
1.58      schwarze 1917:        if (sz >= PATH_MAX) {
1.50      kristaps 1918:                fprintf(stderr, "%s: Path too long\n", file);
                   1919:                return(0);
                   1920:        }
1.5       kristaps 1921:
1.50      kristaps 1922:        if ( ! real)
                   1923:                remove(file);
1.38      schwarze 1924:
1.52      kristaps 1925:        ofl = SQLITE_OPEN_READWRITE |
1.50      kristaps 1926:                (0 == real ? SQLITE_OPEN_EXCLUSIVE : 0);
1.45      kristaps 1927:
1.50      kristaps 1928:        rc = sqlite3_open_v2(file, &db, ofl, NULL);
                   1929:        if (SQLITE_OK == rc)
1.57      schwarze 1930:                goto prepare_statements;
1.50      kristaps 1931:        if (SQLITE_CANTOPEN != rc) {
1.59      schwarze 1932:                exitcode = (int)MANDOCLEVEL_SYSERR;
                   1933:                say(file, NULL);
1.50      kristaps 1934:                return(0);
                   1935:        }
1.12      schwarze 1936:
1.50      kristaps 1937:        sqlite3_close(db);
                   1938:        db = NULL;
1.12      schwarze 1939:
1.50      kristaps 1940:        if (SQLITE_OK != (rc = sqlite3_open(file, &db))) {
1.59      schwarze 1941:                exitcode = (int)MANDOCLEVEL_SYSERR;
                   1942:                say(file, NULL);
1.50      kristaps 1943:                return(0);
                   1944:        }
1.12      schwarze 1945:
1.50      kristaps 1946:        sql = "CREATE TABLE \"docs\" (\n"
                   1947:              " \"file\" TEXT NOT NULL,\n"
                   1948:              " \"sec\" TEXT NOT NULL,\n"
                   1949:              " \"arch\" TEXT NOT NULL,\n"
                   1950:              " \"desc\" TEXT NOT NULL,\n"
                   1951:              " \"form\" INTEGER NOT NULL,\n"
                   1952:              " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
                   1953:              ");\n"
                   1954:              "\n"
                   1955:              "CREATE TABLE \"keys\" (\n"
                   1956:              " \"bits\" INTEGER NOT NULL,\n"
                   1957:              " \"key\" TEXT NOT NULL,\n"
                   1958:              " \"docid\" INTEGER NOT NULL REFERENCES docs(id) "
                   1959:                "ON DELETE CASCADE,\n"
                   1960:              " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
                   1961:              ");\n"
                   1962:              "\n"
                   1963:              "CREATE INDEX \"key_index\" ON keys (key);\n";
1.14      schwarze 1964:
1.50      kristaps 1965:        if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
1.59      schwarze 1966:                exitcode = (int)MANDOCLEVEL_SYSERR;
                   1967:                say(file, "%s", sqlite3_errmsg(db));
1.50      kristaps 1968:                return(0);
                   1969:        }
1.4       kristaps 1970:
1.57      schwarze 1971: prepare_statements:
                   1972:        SQL_EXEC("PRAGMA foreign_keys = ON");
1.50      kristaps 1973:        sql = "DELETE FROM docs where file=?";
                   1974:        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE], NULL);
                   1975:        sql = "INSERT INTO docs "
                   1976:                "(file,sec,arch,desc,form) VALUES (?,?,?,?,?)";
                   1977:        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_DOC], NULL);
                   1978:        sql = "INSERT INTO keys "
                   1979:                "(bits,key,docid) VALUES (?,?,?)";
                   1980:        sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);
                   1981:        return(1);
                   1982: }
1.5       kristaps 1983:
1.50      kristaps 1984: static void *
                   1985: hash_halloc(size_t sz, void *arg)
                   1986: {
1.12      schwarze 1987:
1.50      kristaps 1988:        return(mandoc_calloc(sz, 1));
                   1989: }
1.12      schwarze 1990:
1.50      kristaps 1991: static void *
                   1992: hash_alloc(size_t sz, void *arg)
                   1993: {
1.5       kristaps 1994:
1.50      kristaps 1995:        return(mandoc_malloc(sz));
                   1996: }
1.41      kristaps 1997:
1.50      kristaps 1998: static void
                   1999: hash_free(void *p, size_t sz, void *arg)
                   2000: {
1.4       kristaps 2001:
1.50      kristaps 2002:        free(p);
1.4       kristaps 2003: }
                   2004:
1.50      kristaps 2005: static int
1.59      schwarze 2006: set_basedir(const char *targetdir)
1.4       kristaps 2007: {
1.59      schwarze 2008:        static char      startdir[PATH_MAX];
                   2009:        static int       fd;
1.4       kristaps 2010:
1.59      schwarze 2011:        /*
                   2012:         * Remember where we started by keeping a fd open to the origin
                   2013:         * path component: throughout this utility, we chdir() a lot to
                   2014:         * handle relative paths, and by doing this, we can return to
                   2015:         * the starting point.
                   2016:         */
                   2017:        if ('\0' == *startdir) {
                   2018:                if (NULL == getcwd(startdir, PATH_MAX)) {
                   2019:                        exitcode = (int)MANDOCLEVEL_SYSERR;
                   2020:                        if (NULL != targetdir)
                   2021:                                say(".", NULL);
                   2022:                        return(0);
                   2023:                }
                   2024:                if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
                   2025:                        exitcode = (int)MANDOCLEVEL_SYSERR;
                   2026:                        say(startdir, NULL);
                   2027:                        return(0);
                   2028:                }
                   2029:                if (NULL == targetdir)
                   2030:                        targetdir = startdir;
                   2031:        } else {
                   2032:                if (-1 == fd)
                   2033:                        return(0);
                   2034:                if (-1 == fchdir(fd)) {
                   2035:                        close(fd);
                   2036:                        basedir[0] = '\0';
                   2037:                        exitcode = (int)MANDOCLEVEL_SYSERR;
                   2038:                        say(startdir, NULL);
                   2039:                        return(0);
                   2040:                }
                   2041:                if (NULL == targetdir) {
                   2042:                        close(fd);
                   2043:                        return(1);
                   2044:                }
                   2045:        }
                   2046:        if (NULL == realpath(targetdir, basedir)) {
                   2047:                basedir[0] = '\0';
                   2048:                exitcode = (int)MANDOCLEVEL_BADARG;
                   2049:                say(targetdir, NULL);
1.50      kristaps 2050:                return(0);
1.59      schwarze 2051:        } else if (-1 == chdir(basedir)) {
                   2052:                exitcode = (int)MANDOCLEVEL_BADARG;
                   2053:                say("", NULL);
1.50      kristaps 2054:                return(0);
1.4       kristaps 2055:        }
1.50      kristaps 2056:        return(1);
1.56      schwarze 2057: }
                   2058:
                   2059: static void
1.59      schwarze 2060: say(const char *file, const char *format, ...)
1.56      schwarze 2061: {
                   2062:        va_list          ap;
                   2063:
1.59      schwarze 2064:        if ('\0' != *basedir)
                   2065:                fprintf(stderr, "%s", basedir);
                   2066:        if ('\0' != *basedir && '\0' != *file)
                   2067:                fputs("//", stderr);
1.56      schwarze 2068:        if ('\0' != *file)
1.59      schwarze 2069:                fprintf(stderr, "%s", file);
1.56      schwarze 2070:        fputs(": ", stderr);
1.59      schwarze 2071:
                   2072:        if (NULL == format) {
                   2073:                perror(NULL);
                   2074:                return;
                   2075:        }
1.56      schwarze 2076:
                   2077:        va_start(ap, format);
                   2078:        vfprintf(stderr, format, ap);
                   2079:        va_end(ap);
                   2080:
                   2081:        fputc('\n', stderr);
1.1       kristaps 2082: }

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