Annotation of mandoc/mandocdb.c, Revision 1.128
1.128 ! schwarze 1: /* $Id: mandocdb.c,v 1.127 2014/04/03 21:45:31 schwarze Exp $ */
1.1 kristaps 2: /*
1.48 schwarze 3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.95 schwarze 4: * Copyright (c) 2011, 2012, 2013, 2014 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>
1.115 schwarze 23: #include <sys/wait.h>
1.1 kristaps 24:
25: #include <assert.h>
1.43 kristaps 26: #include <ctype.h>
1.63 schwarze 27: #include <errno.h>
1.1 kristaps 28: #include <fcntl.h>
1.50 kristaps 29: #include <fts.h>
1.1 kristaps 30: #include <getopt.h>
1.58 schwarze 31: #include <limits.h>
1.50 kristaps 32: #include <stddef.h>
1.59 schwarze 33: #include <stdio.h>
1.1 kristaps 34: #include <stdint.h>
35: #include <stdlib.h>
36: #include <string.h>
1.17 schwarze 37: #include <unistd.h>
1.1 kristaps 38:
1.53 kristaps 39: #ifdef HAVE_OHASH
1.50 kristaps 40: #include <ohash.h>
1.53 kristaps 41: #else
42: #include "compat_ohash.h"
43: #endif
1.50 kristaps 44: #include <sqlite3.h>
1.1 kristaps 45:
1.50 kristaps 46: #include "mdoc.h"
1.1 kristaps 47: #include "man.h"
48: #include "mandoc.h"
1.119 schwarze 49: #include "mandoc_aux.h"
1.10 kristaps 50: #include "manpath.h"
1.55 kristaps 51: #include "mansearch.h"
1.1 kristaps 52:
1.111 schwarze 53: extern int mansearch_keymax;
54: extern const char *const mansearch_keynames[];
55:
1.52 kristaps 56: #define SQL_EXEC(_v) \
57: if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
58: fprintf(stderr, "%s\n", sqlite3_errmsg(db))
59: #define SQL_BIND_TEXT(_s, _i, _v) \
60: if (SQLITE_OK != sqlite3_bind_text \
61: ((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \
62: fprintf(stderr, "%s\n", sqlite3_errmsg(db))
63: #define SQL_BIND_INT(_s, _i, _v) \
64: if (SQLITE_OK != sqlite3_bind_int \
65: ((_s), (_i)++, (_v))) \
66: fprintf(stderr, "%s\n", sqlite3_errmsg(db))
67: #define SQL_BIND_INT64(_s, _i, _v) \
68: if (SQLITE_OK != sqlite3_bind_int64 \
69: ((_s), (_i)++, (_v))) \
70: fprintf(stderr, "%s\n", sqlite3_errmsg(db))
71: #define SQL_STEP(_s) \
72: if (SQLITE_DONE != sqlite3_step((_s))) \
73: fprintf(stderr, "%s\n", sqlite3_errmsg(db))
74:
1.50 kristaps 75: enum op {
76: OP_DEFAULT = 0, /* new dbs from dir list or default config */
77: OP_CONFFILE, /* new databases from custom config file */
78: OP_UPDATE, /* delete/add entries in existing database */
79: OP_DELETE, /* delete entries from existing database */
80: OP_TEST /* change no databases, report potential problems */
1.38 schwarze 81: };
82:
1.50 kristaps 83: enum form {
1.84 schwarze 84: FORM_NONE, /* format is unknown */
85: FORM_SRC, /* format is -man or -mdoc */
86: FORM_CAT /* format is cat */
1.50 kristaps 87: };
1.38 schwarze 88:
1.50 kristaps 89: struct str {
1.96 schwarze 90: char *rendered; /* key in UTF-8 or ASCII form */
1.78 schwarze 91: const struct mpage *mpage; /* if set, the owning parse */
1.50 kristaps 92: uint64_t mask; /* bitmask in sequence */
1.96 schwarze 93: char key[]; /* may contain escape sequences */
1.38 schwarze 94: };
95:
1.79 schwarze 96: struct inodev {
97: ino_t st_ino;
98: dev_t st_dev;
1.50 kristaps 99: };
1.5 kristaps 100:
1.78 schwarze 101: struct mpage {
1.79 schwarze 102: struct inodev inodev; /* used for hashing routine */
1.118 schwarze 103: int64_t recno; /* id in mpages SQL table */
1.82 schwarze 104: enum form form; /* format from file content */
105: char *sec; /* section from file content */
106: char *arch; /* architecture from file content */
107: char *title; /* title from file content */
108: char *desc; /* description from file content */
109: struct mlink *mlinks; /* singly linked list */
110: };
111:
112: struct mlink {
1.58 schwarze 113: char file[PATH_MAX]; /* filename rel. to manpath */
1.82 schwarze 114: enum form dform; /* format from directory */
1.84 schwarze 115: enum form fform; /* format from file name suffix */
1.82 schwarze 116: char *dsec; /* section from directory */
117: char *arch; /* architecture from directory */
118: char *name; /* name from file name (not empty) */
119: char *fsec; /* section from file name suffix */
1.85 schwarze 120: struct mlink *next; /* singly linked list */
1.118 schwarze 121: struct mpage *mpage; /* parent */
1.124 schwarze 122: int gzip; /* filename has a .gz suffix */
1.3 kristaps 123: };
124:
1.50 kristaps 125: enum stmt {
1.81 schwarze 126: STMT_DELETE_PAGE = 0, /* delete mpage */
127: STMT_INSERT_PAGE, /* insert mpage */
128: STMT_INSERT_LINK, /* insert mlink */
129: STMT_INSERT_KEY, /* insert parsed key */
1.50 kristaps 130: STMT__MAX
1.1 kristaps 131: };
132:
1.78 schwarze 133: typedef int (*mdoc_fp)(struct mpage *, const struct mdoc_node *);
1.1 kristaps 134:
1.50 kristaps 135: struct mdoc_handler {
136: mdoc_fp fp; /* optional handler */
137: uint64_t mask; /* set unless handler returns 0 */
1.1 kristaps 138: };
139:
1.59 schwarze 140: static void dbclose(int);
1.118 schwarze 141: static void dbadd(struct mpage *, struct mchars *);
142: static void dbadd_mlink(const struct mlink *mlink);
1.59 schwarze 143: static int dbopen(int);
144: static void dbprune(void);
145: static void filescan(const char *);
1.50 kristaps 146: static void *hash_alloc(size_t, void *);
147: static void hash_free(void *, size_t, void *);
148: static void *hash_halloc(size_t, void *);
1.84 schwarze 149: static void mlink_add(struct mlink *, const struct stat *);
1.93 schwarze 150: static int mlink_check(struct mpage *, struct mlink *);
1.82 schwarze 151: static void mlink_free(struct mlink *);
1.89 schwarze 152: static void mlinks_undupe(struct mpage *);
1.78 schwarze 153: static void mpages_free(void);
1.101 schwarze 154: static void mpages_merge(struct mchars *, struct mparse *);
1.124 schwarze 155: static void parse_cat(struct mpage *, int);
1.78 schwarze 156: static void parse_man(struct mpage *, const struct man_node *);
157: static void parse_mdoc(struct mpage *, const struct mdoc_node *);
158: static int parse_mdoc_body(struct mpage *, const struct mdoc_node *);
159: static int parse_mdoc_head(struct mpage *, const struct mdoc_node *);
160: static int parse_mdoc_Fd(struct mpage *, const struct mdoc_node *);
161: static int parse_mdoc_Fn(struct mpage *, const struct mdoc_node *);
162: static int parse_mdoc_Nd(struct mpage *, const struct mdoc_node *);
163: static int parse_mdoc_Nm(struct mpage *, const struct mdoc_node *);
164: static int parse_mdoc_Sh(struct mpage *, const struct mdoc_node *);
165: static int parse_mdoc_Xr(struct mpage *, const struct mdoc_node *);
1.112 schwarze 166: static void putkey(const struct mpage *, char *, uint64_t);
1.78 schwarze 167: static void putkeys(const struct mpage *,
1.64 schwarze 168: const char *, size_t, uint64_t);
1.78 schwarze 169: static void putmdockey(const struct mpage *,
1.50 kristaps 170: const struct mdoc_node *, uint64_t);
1.96 schwarze 171: static void render_key(struct mchars *, struct str *);
1.59 schwarze 172: static void say(const char *, const char *, ...);
1.80 schwarze 173: static int set_basedir(const char *);
1.59 schwarze 174: static int treescan(void);
1.50 kristaps 175: static size_t utf8(unsigned int, char [7]);
176:
1.115 schwarze 177: static char tempfilename[32];
1.50 kristaps 178: static char *progname;
1.102 schwarze 179: static int nodb; /* no database changes */
1.116 schwarze 180: static int mparse_options; /* abort the parse early */
1.50 kristaps 181: static int use_all; /* use all found files */
1.125 schwarze 182: static int debug; /* print what we're doing */
1.50 kristaps 183: static int warnings; /* warn about crap */
1.95 schwarze 184: static int write_utf8; /* write UTF-8 output; else ASCII */
1.59 schwarze 185: static int exitcode; /* to be returned by main */
1.50 kristaps 186: static enum op op; /* operational mode */
1.59 schwarze 187: static char basedir[PATH_MAX]; /* current base directory */
1.78 schwarze 188: static struct ohash mpages; /* table of distinct manual pages */
1.83 schwarze 189: static struct ohash mlinks; /* table of directory entries */
1.50 kristaps 190: static struct ohash strings; /* table of all strings */
191: static sqlite3 *db = NULL; /* current database */
192: static sqlite3_stmt *stmts[STMT__MAX]; /* current statements */
1.25 schwarze 193:
194: static const struct mdoc_handler mdocs[MDOC_MAX] = {
1.68 schwarze 195: { NULL, 0 }, /* Ap */
196: { NULL, 0 }, /* Dd */
197: { NULL, 0 }, /* Dt */
198: { NULL, 0 }, /* Os */
199: { parse_mdoc_Sh, TYPE_Sh }, /* Sh */
200: { parse_mdoc_head, TYPE_Ss }, /* Ss */
201: { NULL, 0 }, /* Pp */
202: { NULL, 0 }, /* D1 */
203: { NULL, 0 }, /* Dl */
204: { NULL, 0 }, /* Bd */
205: { NULL, 0 }, /* Ed */
206: { NULL, 0 }, /* Bl */
207: { NULL, 0 }, /* El */
208: { NULL, 0 }, /* It */
209: { NULL, 0 }, /* Ad */
210: { NULL, TYPE_An }, /* An */
211: { NULL, TYPE_Ar }, /* Ar */
212: { NULL, TYPE_Cd }, /* Cd */
213: { NULL, TYPE_Cm }, /* Cm */
214: { NULL, TYPE_Dv }, /* Dv */
215: { NULL, TYPE_Er }, /* Er */
216: { NULL, TYPE_Ev }, /* Ev */
217: { NULL, 0 }, /* Ex */
218: { NULL, TYPE_Fa }, /* Fa */
219: { parse_mdoc_Fd, 0 }, /* Fd */
220: { NULL, TYPE_Fl }, /* Fl */
221: { parse_mdoc_Fn, 0 }, /* Fn */
222: { NULL, TYPE_Ft }, /* Ft */
223: { NULL, TYPE_Ic }, /* Ic */
1.92 schwarze 224: { NULL, TYPE_In }, /* In */
1.68 schwarze 225: { NULL, TYPE_Li }, /* Li */
226: { parse_mdoc_Nd, TYPE_Nd }, /* Nd */
227: { parse_mdoc_Nm, TYPE_Nm }, /* Nm */
228: { NULL, 0 }, /* Op */
229: { NULL, 0 }, /* Ot */
230: { NULL, TYPE_Pa }, /* Pa */
231: { NULL, 0 }, /* Rv */
1.92 schwarze 232: { NULL, TYPE_St }, /* St */
1.68 schwarze 233: { NULL, TYPE_Va }, /* Va */
234: { parse_mdoc_body, TYPE_Va }, /* Vt */
235: { parse_mdoc_Xr, 0 }, /* Xr */
236: { NULL, 0 }, /* %A */
237: { NULL, 0 }, /* %B */
238: { NULL, 0 }, /* %D */
239: { NULL, 0 }, /* %I */
240: { NULL, 0 }, /* %J */
241: { NULL, 0 }, /* %N */
242: { NULL, 0 }, /* %O */
243: { NULL, 0 }, /* %P */
244: { NULL, 0 }, /* %R */
245: { NULL, 0 }, /* %T */
246: { NULL, 0 }, /* %V */
247: { NULL, 0 }, /* Ac */
248: { NULL, 0 }, /* Ao */
249: { NULL, 0 }, /* Aq */
250: { NULL, TYPE_At }, /* At */
251: { NULL, 0 }, /* Bc */
252: { NULL, 0 }, /* Bf */
253: { NULL, 0 }, /* Bo */
254: { NULL, 0 }, /* Bq */
255: { NULL, TYPE_Bsx }, /* Bsx */
256: { NULL, TYPE_Bx }, /* Bx */
257: { NULL, 0 }, /* Db */
258: { NULL, 0 }, /* Dc */
259: { NULL, 0 }, /* Do */
260: { NULL, 0 }, /* Dq */
261: { NULL, 0 }, /* Ec */
262: { NULL, 0 }, /* Ef */
263: { NULL, TYPE_Em }, /* Em */
264: { NULL, 0 }, /* Eo */
265: { NULL, TYPE_Fx }, /* Fx */
266: { NULL, TYPE_Ms }, /* Ms */
267: { NULL, 0 }, /* No */
268: { NULL, 0 }, /* Ns */
269: { NULL, TYPE_Nx }, /* Nx */
270: { NULL, TYPE_Ox }, /* Ox */
271: { NULL, 0 }, /* Pc */
272: { NULL, 0 }, /* Pf */
273: { NULL, 0 }, /* Po */
274: { NULL, 0 }, /* Pq */
275: { NULL, 0 }, /* Qc */
276: { NULL, 0 }, /* Ql */
277: { NULL, 0 }, /* Qo */
278: { NULL, 0 }, /* Qq */
279: { NULL, 0 }, /* Re */
280: { NULL, 0 }, /* Rs */
281: { NULL, 0 }, /* Sc */
282: { NULL, 0 }, /* So */
283: { NULL, 0 }, /* Sq */
284: { NULL, 0 }, /* Sm */
285: { NULL, 0 }, /* Sx */
286: { NULL, TYPE_Sy }, /* Sy */
287: { NULL, TYPE_Tn }, /* Tn */
288: { NULL, 0 }, /* Ux */
289: { NULL, 0 }, /* Xc */
290: { NULL, 0 }, /* Xo */
291: { parse_mdoc_head, 0 }, /* Fo */
292: { NULL, 0 }, /* Fc */
293: { NULL, 0 }, /* Oo */
294: { NULL, 0 }, /* Oc */
295: { NULL, 0 }, /* Bk */
296: { NULL, 0 }, /* Ek */
297: { NULL, 0 }, /* Bt */
298: { NULL, 0 }, /* Hf */
299: { NULL, 0 }, /* Fr */
300: { NULL, 0 }, /* Ud */
301: { NULL, TYPE_Lb }, /* Lb */
302: { NULL, 0 }, /* Lp */
303: { NULL, TYPE_Lk }, /* Lk */
304: { NULL, TYPE_Mt }, /* Mt */
305: { NULL, 0 }, /* Brq */
306: { NULL, 0 }, /* Bro */
307: { NULL, 0 }, /* Brc */
308: { NULL, 0 }, /* %C */
309: { NULL, 0 }, /* Es */
310: { NULL, 0 }, /* En */
311: { NULL, TYPE_Dx }, /* Dx */
312: { NULL, 0 }, /* %Q */
313: { NULL, 0 }, /* br */
314: { NULL, 0 }, /* sp */
315: { NULL, 0 }, /* %U */
316: { NULL, 0 }, /* Ta */
1.1 kristaps 317: };
318:
319: int
320: main(int argc, char *argv[])
321: {
1.59 schwarze 322: int ch, i;
1.50 kristaps 323: size_t j, sz;
1.59 schwarze 324: const char *path_arg;
1.50 kristaps 325: struct mchars *mc;
326: struct manpaths dirs;
327: struct mparse *mp;
1.83 schwarze 328: struct ohash_info mpages_info, mlinks_info;
1.50 kristaps 329:
330: memset(stmts, 0, STMT__MAX * sizeof(sqlite3_stmt *));
331: memset(&dirs, 0, sizeof(struct manpaths));
332:
1.83 schwarze 333: mpages_info.alloc = mlinks_info.alloc = hash_alloc;
334: mpages_info.halloc = mlinks_info.halloc = hash_halloc;
335: mpages_info.hfree = mlinks_info.hfree = hash_free;
1.50 kristaps 336:
1.79 schwarze 337: mpages_info.key_offset = offsetof(struct mpage, inodev);
1.83 schwarze 338: mlinks_info.key_offset = offsetof(struct mlink, file);
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:
1.126 schwarze 360: while (-1 != (ch = getopt(argc, argv, "aC:Dd:npQT:tu:v")))
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;
1.125 schwarze 370: case ('D'):
371: debug++;
372: break;
1.5 kristaps 373: case ('d'):
1.50 kristaps 374: CHECKOP(op, ch);
1.59 schwarze 375: path_arg = optarg;
1.5 kristaps 376: op = OP_UPDATE;
377: break;
1.50 kristaps 378: case ('n'):
379: nodb = 1;
380: break;
1.126 schwarze 381: case ('p'):
382: warnings = 1;
383: break;
1.102 schwarze 384: case ('Q'):
1.116 schwarze 385: mparse_options |= MPARSE_QUICK;
1.102 schwarze 386: break;
1.95 schwarze 387: case ('T'):
388: if (strcmp(optarg, "utf8")) {
389: fprintf(stderr, "-T%s: Unsupported "
390: "output format\n", optarg);
391: goto usage;
392: }
393: write_utf8 = 1;
394: break;
1.38 schwarze 395: case ('t'):
1.50 kristaps 396: CHECKOP(op, ch);
1.38 schwarze 397: dup2(STDOUT_FILENO, STDERR_FILENO);
398: op = OP_TEST;
1.50 kristaps 399: nodb = warnings = 1;
1.38 schwarze 400: break;
1.5 kristaps 401: case ('u'):
1.50 kristaps 402: CHECKOP(op, ch);
1.59 schwarze 403: path_arg = optarg;
1.5 kristaps 404: op = OP_DELETE;
405: break;
1.126 schwarze 406: case ('v'):
407: /* Compatibility with espie@'s makewhatis. */
1.38 schwarze 408: break;
1.1 kristaps 409: default:
1.38 schwarze 410: goto usage;
1.1 kristaps 411: }
412:
413: argc -= optind;
414: argv += optind;
415:
1.38 schwarze 416: if (OP_CONFFILE == op && argc > 0) {
1.50 kristaps 417: fprintf(stderr, "-C: Too many arguments\n");
1.38 schwarze 418: goto usage;
419: }
420:
1.59 schwarze 421: exitcode = (int)MANDOCLEVEL_OK;
1.116 schwarze 422: mp = mparse_alloc(mparse_options, MANDOCLEVEL_FATAL, NULL, NULL);
1.50 kristaps 423: mc = mchars_alloc();
424:
1.78 schwarze 425: ohash_init(&mpages, 6, &mpages_info);
1.83 schwarze 426: ohash_init(&mlinks, 6, &mlinks_info);
1.50 kristaps 427:
428: if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
429: /*
430: * Force processing all files.
431: */
432: use_all = 1;
1.59 schwarze 433:
1.50 kristaps 434: /*
435: * All of these deal with a specific directory.
436: * Jump into that directory then collect files specified
437: * on the command-line.
438: */
1.59 schwarze 439: if (0 == set_basedir(path_arg))
1.50 kristaps 440: goto out;
441: for (i = 0; i < argc; i++)
1.59 schwarze 442: filescan(argv[i]);
443: if (0 == dbopen(1))
1.50 kristaps 444: goto out;
445: if (OP_TEST != op)
1.59 schwarze 446: dbprune();
1.50 kristaps 447: if (OP_DELETE != op)
1.101 schwarze 448: mpages_merge(mc, mp);
1.59 schwarze 449: dbclose(1);
1.50 kristaps 450: } else {
451: /*
452: * If we have arguments, use them as our manpaths.
453: * If we don't, grok from manpath(1) or however else
454: * manpath_parse() wants to do it.
455: */
456: if (argc > 0) {
457: dirs.paths = mandoc_calloc
458: (argc, sizeof(char *));
459: dirs.sz = (size_t)argc;
460: for (i = 0; i < argc; i++)
461: dirs.paths[i] = mandoc_strdup(argv[i]);
462: } else
1.59 schwarze 463: manpath_parse(&dirs, path_arg, NULL, NULL);
1.127 schwarze 464:
465: if (0 == dirs.sz) {
466: exitcode = (int)MANDOCLEVEL_BADARG;
467: say("", "Empty manpath");
468: }
1.50 kristaps 469:
470: /*
1.69 schwarze 471: * First scan the tree rooted at a base directory, then
472: * build a new database and finally move it into place.
1.50 kristaps 473: * Ignore zero-length directories and strip trailing
474: * slashes.
475: */
476: for (j = 0; j < dirs.sz; j++) {
477: sz = strlen(dirs.paths[j]);
478: if (sz && '/' == dirs.paths[j][sz - 1])
479: dirs.paths[j][--sz] = '\0';
480: if (0 == sz)
481: continue;
1.66 schwarze 482:
483: if (j) {
1.78 schwarze 484: ohash_init(&mpages, 6, &mpages_info);
1.83 schwarze 485: ohash_init(&mlinks, 6, &mlinks_info);
1.66 schwarze 486: }
487:
1.59 schwarze 488: if (0 == set_basedir(dirs.paths[j]))
1.50 kristaps 489: goto out;
1.59 schwarze 490: if (0 == treescan())
1.50 kristaps 491: goto out;
1.59 schwarze 492: if (0 == set_basedir(dirs.paths[j]))
1.50 kristaps 493: goto out;
1.59 schwarze 494: if (0 == dbopen(0))
1.50 kristaps 495: goto out;
1.52 kristaps 496:
1.101 schwarze 497: mpages_merge(mc, mp);
1.59 schwarze 498: dbclose(0);
1.66 schwarze 499:
500: if (j + 1 < dirs.sz) {
1.80 schwarze 501: mpages_free();
1.78 schwarze 502: ohash_delete(&mpages);
1.83 schwarze 503: ohash_delete(&mlinks);
1.66 schwarze 504: }
1.50 kristaps 505: }
506: }
507: out:
1.59 schwarze 508: set_basedir(NULL);
1.50 kristaps 509: manpath_free(&dirs);
510: mchars_free(mc);
511: mparse_free(mp);
1.80 schwarze 512: mpages_free();
1.78 schwarze 513: ohash_delete(&mpages);
1.83 schwarze 514: ohash_delete(&mlinks);
1.59 schwarze 515: return(exitcode);
1.50 kristaps 516: usage:
1.126 schwarze 517: fprintf(stderr, "usage: %s [-aDnpQ] [-C file] [-Tutf8]\n"
518: " %s [-aDnpQ] [-Tutf8] dir ...\n"
519: " %s [-DnpQ] [-Tutf8] -d dir [file ...]\n"
520: " %s [-Dnp] -u dir [file ...]\n"
1.102 schwarze 521: " %s [-Q] -t file ...\n",
1.50 kristaps 522: progname, progname, progname,
523: progname, progname);
524:
1.59 schwarze 525: return((int)MANDOCLEVEL_BADARG);
1.50 kristaps 526: }
527:
528: /*
1.59 schwarze 529: * Scan a directory tree rooted at "basedir" for manpages.
1.50 kristaps 530: * We use fts(), scanning directory parts along the way for clues to our
531: * section and architecture.
532: *
533: * If use_all has been specified, grok all files.
534: * If not, sanitise paths to the following:
535: *
536: * [./]man*[/<arch>]/<name>.<section>
537: * or
538: * [./]cat<section>[/<arch>]/<name>.0
539: *
540: * TODO: accomodate for multi-language directories.
541: */
542: static int
1.59 schwarze 543: treescan(void)
1.50 kristaps 544: {
545: FTS *f;
546: FTSENT *ff;
1.84 schwarze 547: struct mlink *mlink;
1.124 schwarze 548: int dform, gzip;
1.94 schwarze 549: char *dsec, *arch, *fsec, *cp;
550: const char *path;
1.50 kristaps 551: const char *argv[2];
552:
553: argv[0] = ".";
554: argv[1] = (char *)NULL;
555:
556: /*
557: * Walk through all components under the directory, using the
558: * logical descent of files.
559: */
560: f = fts_open((char * const *)argv, FTS_LOGICAL, NULL);
561: if (NULL == f) {
1.59 schwarze 562: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 563: say("", "&fts_open");
1.50 kristaps 564: return(0);
565: }
566:
567: dsec = arch = NULL;
568: dform = FORM_NONE;
569:
570: while (NULL != (ff = fts_read(f))) {
571: path = ff->fts_path + 2;
572: /*
1.83 schwarze 573: * If we're a regular file, add an mlink by using the
1.50 kristaps 574: * stored directory data and handling the filename.
575: */
576: if (FTS_F == ff->fts_info) {
1.60 schwarze 577: if (0 == strcmp(path, MANDOC_DB))
578: continue;
1.50 kristaps 579: if ( ! use_all && ff->fts_level < 2) {
1.56 schwarze 580: if (warnings)
1.59 schwarze 581: say(path, "Extraneous file");
1.50 kristaps 582: continue;
1.124 schwarze 583: }
584: gzip = 0;
585: fsec = NULL;
586: while (NULL == fsec) {
587: fsec = strrchr(ff->fts_name, '.');
588: if (NULL == fsec || strcmp(fsec+1, "gz"))
589: break;
590: gzip = 1;
591: *fsec = '\0';
592: fsec = NULL;
593: }
594: if (NULL == fsec) {
1.60 schwarze 595: if ( ! use_all) {
1.56 schwarze 596: if (warnings)
1.60 schwarze 597: say(path,
598: "No filename suffix");
1.50 kristaps 599: continue;
600: }
1.84 schwarze 601: } else if (0 == strcmp(++fsec, "html")) {
1.60 schwarze 602: if (warnings)
603: say(path, "Skip html");
604: continue;
1.84 schwarze 605: } else if (0 == strcmp(fsec, "ps")) {
1.60 schwarze 606: if (warnings)
607: say(path, "Skip ps");
608: continue;
1.84 schwarze 609: } else if (0 == strcmp(fsec, "pdf")) {
1.60 schwarze 610: if (warnings)
611: say(path, "Skip pdf");
612: continue;
613: } else if ( ! use_all &&
1.84 schwarze 614: ((FORM_SRC == dform && strcmp(fsec, dsec)) ||
615: (FORM_CAT == dform && strcmp(fsec, "0")))) {
1.60 schwarze 616: if (warnings)
617: say(path, "Wrong filename suffix");
618: continue;
1.66 schwarze 619: } else
1.84 schwarze 620: fsec[-1] = '\0';
1.94 schwarze 621:
1.84 schwarze 622: mlink = mandoc_calloc(1, sizeof(struct mlink));
623: strlcpy(mlink->file, path, sizeof(mlink->file));
624: mlink->dform = dform;
1.94 schwarze 625: mlink->dsec = dsec;
626: mlink->arch = arch;
627: mlink->name = ff->fts_name;
628: mlink->fsec = fsec;
1.124 schwarze 629: mlink->gzip = gzip;
1.84 schwarze 630: mlink_add(mlink, ff->fts_statp);
1.50 kristaps 631: continue;
1.84 schwarze 632: } else if (FTS_D != ff->fts_info &&
1.60 schwarze 633: FTS_DP != ff->fts_info) {
634: if (warnings)
635: say(path, "Not a regular file");
1.50 kristaps 636: continue;
1.60 schwarze 637: }
1.1 kristaps 638:
1.50 kristaps 639: switch (ff->fts_level) {
640: case (0):
641: /* Ignore the root directory. */
642: break;
643: case (1):
644: /*
645: * This might contain manX/ or catX/.
646: * Try to infer this from the name.
647: * If we're not in use_all, enforce it.
648: */
649: cp = ff->fts_name;
650: if (FTS_DP == ff->fts_info)
651: break;
1.1 kristaps 652:
1.50 kristaps 653: if (0 == strncmp(cp, "man", 3)) {
654: dform = FORM_SRC;
1.66 schwarze 655: dsec = cp + 3;
1.50 kristaps 656: } else if (0 == strncmp(cp, "cat", 3)) {
657: dform = FORM_CAT;
1.66 schwarze 658: dsec = cp + 3;
1.94 schwarze 659: } else {
660: dform = FORM_NONE;
661: dsec = NULL;
1.50 kristaps 662: }
1.1 kristaps 663:
1.50 kristaps 664: if (NULL != dsec || use_all)
665: break;
1.1 kristaps 666:
1.56 schwarze 667: if (warnings)
1.59 schwarze 668: say(path, "Unknown directory part");
1.50 kristaps 669: fts_set(f, ff, FTS_SKIP);
670: break;
671: case (2):
672: /*
673: * Possibly our architecture.
674: * If we're descending, keep tabs on it.
675: */
676: if (FTS_DP != ff->fts_info && NULL != dsec)
1.66 schwarze 677: arch = ff->fts_name;
1.94 schwarze 678: else
679: arch = NULL;
1.50 kristaps 680: break;
681: default:
682: if (FTS_DP == ff->fts_info || use_all)
683: break;
1.56 schwarze 684: if (warnings)
1.59 schwarze 685: say(path, "Extraneous directory part");
1.50 kristaps 686: fts_set(f, ff, FTS_SKIP);
687: break;
1.5 kristaps 688: }
1.50 kristaps 689: }
690:
691: fts_close(f);
692: return(1);
693: }
1.5 kristaps 694:
1.50 kristaps 695: /*
1.89 schwarze 696: * Add a file to the mlinks table.
1.50 kristaps 697: * Do not verify that it's a "valid" looking manpage (we'll do that
698: * later).
699: *
700: * Try to infer the manual section, architecture, and page name from the
701: * path, assuming it looks like
702: *
703: * [./]man*[/<arch>]/<name>.<section>
704: * or
705: * [./]cat<section>[/<arch>]/<name>.0
706: *
707: * See treescan() for the fts(3) version of this.
708: */
709: static void
1.59 schwarze 710: filescan(const char *file)
1.50 kristaps 711: {
1.59 schwarze 712: char buf[PATH_MAX];
1.84 schwarze 713: struct stat st;
714: struct mlink *mlink;
1.59 schwarze 715: char *p, *start;
1.5 kristaps 716:
1.50 kristaps 717: assert(use_all);
1.5 kristaps 718:
1.50 kristaps 719: if (0 == strncmp(file, "./", 2))
720: file += 2;
1.5 kristaps 721:
1.59 schwarze 722: if (NULL == realpath(file, buf)) {
723: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 724: say(file, "&realpath");
1.59 schwarze 725: return;
1.106 schwarze 726: }
727:
728: if (strstr(buf, basedir) == buf)
729: start = buf + strlen(basedir) + 1;
730: else if (OP_TEST == op)
731: start = buf;
732: else {
1.59 schwarze 733: exitcode = (int)MANDOCLEVEL_BADARG;
734: say("", "%s: outside base directory", buf);
735: return;
1.106 schwarze 736: }
737:
738: if (-1 == stat(buf, &st)) {
1.59 schwarze 739: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 740: say(file, "&stat");
1.50 kristaps 741: return;
742: } else if ( ! (S_IFREG & st.st_mode)) {
1.59 schwarze 743: exitcode = (int)MANDOCLEVEL_BADARG;
744: say(file, "Not a regular file");
1.50 kristaps 745: return;
746: }
1.106 schwarze 747:
1.84 schwarze 748: mlink = mandoc_calloc(1, sizeof(struct mlink));
749: strlcpy(mlink->file, start, sizeof(mlink->file));
1.17 schwarze 750:
1.50 kristaps 751: /*
752: * First try to guess our directory structure.
753: * If we find a separator, try to look for man* or cat*.
754: * If we find one of these and what's underneath is a directory,
755: * assume it's an architecture.
756: */
757: if (NULL != (p = strchr(start, '/'))) {
758: *p++ = '\0';
759: if (0 == strncmp(start, "man", 3)) {
1.84 schwarze 760: mlink->dform = FORM_SRC;
1.94 schwarze 761: mlink->dsec = start + 3;
1.50 kristaps 762: } else if (0 == strncmp(start, "cat", 3)) {
1.84 schwarze 763: mlink->dform = FORM_CAT;
1.94 schwarze 764: mlink->dsec = start + 3;
1.17 schwarze 765: }
1.5 kristaps 766:
1.50 kristaps 767: start = p;
1.84 schwarze 768: if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
1.50 kristaps 769: *p++ = '\0';
1.94 schwarze 770: mlink->arch = start;
1.50 kristaps 771: start = p;
1.84 schwarze 772: }
1.50 kristaps 773: }
774:
775: /*
776: * Now check the file suffix.
777: * Suffix of `.0' indicates a catpage, `.1-9' is a manpage.
778: */
779: p = strrchr(start, '\0');
780: while (p-- > start && '/' != *p && '.' != *p)
781: /* Loop. */ ;
782:
783: if ('.' == *p) {
784: *p++ = '\0';
1.94 schwarze 785: mlink->fsec = p;
1.5 kristaps 786: }
787:
1.10 kristaps 788: /*
1.50 kristaps 789: * Now try to parse the name.
790: * Use the filename portion of the path.
1.10 kristaps 791: */
1.84 schwarze 792: mlink->name = start;
1.50 kristaps 793: if (NULL != (p = strrchr(start, '/'))) {
1.84 schwarze 794: mlink->name = p + 1;
1.50 kristaps 795: *p = '\0';
1.84 schwarze 796: }
797: mlink_add(mlink, &st);
1.50 kristaps 798: }
1.5 kristaps 799:
1.50 kristaps 800: static void
1.84 schwarze 801: mlink_add(struct mlink *mlink, const struct stat *st)
1.50 kristaps 802: {
1.83 schwarze 803: struct inodev inodev;
1.78 schwarze 804: struct mpage *mpage;
1.83 schwarze 805: unsigned int slot;
1.50 kristaps 806:
1.84 schwarze 807: assert(NULL != mlink->file);
1.50 kristaps 808:
1.94 schwarze 809: mlink->dsec = mandoc_strdup(mlink->dsec ? mlink->dsec : "");
810: mlink->arch = mandoc_strdup(mlink->arch ? mlink->arch : "");
811: mlink->name = mandoc_strdup(mlink->name ? mlink->name : "");
812: mlink->fsec = mandoc_strdup(mlink->fsec ? mlink->fsec : "");
1.84 schwarze 813:
814: if ('0' == *mlink->fsec) {
815: free(mlink->fsec);
816: mlink->fsec = mandoc_strdup(mlink->dsec);
817: mlink->fform = FORM_CAT;
818: } else if ('1' <= *mlink->fsec && '9' >= *mlink->fsec)
819: mlink->fform = FORM_SRC;
1.74 schwarze 820: else
1.84 schwarze 821: mlink->fform = FORM_NONE;
1.82 schwarze 822:
1.83 schwarze 823: slot = ohash_qlookup(&mlinks, mlink->file);
824: assert(NULL == ohash_find(&mlinks, slot));
825: ohash_insert(&mlinks, slot, mlink);
826:
827: inodev.st_ino = st->st_ino;
828: inodev.st_dev = st->st_dev;
829: slot = ohash_lookup_memory(&mpages, (char *)&inodev,
830: sizeof(struct inodev), inodev.st_ino);
831: mpage = ohash_find(&mpages, slot);
832: if (NULL == mpage) {
833: mpage = mandoc_calloc(1, sizeof(struct mpage));
834: mpage->inodev.st_ino = inodev.st_ino;
835: mpage->inodev.st_dev = inodev.st_dev;
836: ohash_insert(&mpages, slot, mpage);
837: } else
1.85 schwarze 838: mlink->next = mpage->mlinks;
1.82 schwarze 839: mpage->mlinks = mlink;
1.118 schwarze 840: mlink->mpage = mpage;
1.82 schwarze 841: }
842:
843: static void
844: mlink_free(struct mlink *mlink)
845: {
846:
847: free(mlink->dsec);
848: free(mlink->arch);
849: free(mlink->name);
850: free(mlink->fsec);
851: free(mlink);
1.50 kristaps 852: }
1.3 kristaps 853:
1.50 kristaps 854: static void
1.78 schwarze 855: mpages_free(void)
1.50 kristaps 856: {
1.78 schwarze 857: struct mpage *mpage;
1.82 schwarze 858: struct mlink *mlink;
1.80 schwarze 859: unsigned int slot;
1.3 kristaps 860:
1.80 schwarze 861: mpage = ohash_first(&mpages, &slot);
862: while (NULL != mpage) {
1.82 schwarze 863: while (NULL != (mlink = mpage->mlinks)) {
1.85 schwarze 864: mpage->mlinks = mlink->next;
1.82 schwarze 865: mlink_free(mlink);
866: }
1.78 schwarze 867: free(mpage->sec);
868: free(mpage->arch);
1.82 schwarze 869: free(mpage->title);
870: free(mpage->desc);
1.78 schwarze 871: free(mpage);
1.80 schwarze 872: mpage = ohash_next(&mpages, &slot);
1.50 kristaps 873: }
874: }
1.38 schwarze 875:
1.50 kristaps 876: /*
1.89 schwarze 877: * For each mlink to the mpage, check whether the path looks like
878: * it is formatted, and if it does, check whether a source manual
879: * exists by the same name, ignoring the suffix.
880: * If both conditions hold, drop the mlink.
881: */
882: static void
883: mlinks_undupe(struct mpage *mpage)
884: {
885: char buf[PATH_MAX];
886: struct mlink **prev;
887: struct mlink *mlink;
888: char *bufp;
889:
890: mpage->form = FORM_CAT;
1.90 schwarze 891: prev = &mpage->mlinks;
892: while (NULL != (mlink = *prev)) {
1.89 schwarze 893: if (FORM_CAT != mlink->dform) {
894: mpage->form = FORM_NONE;
1.90 schwarze 895: goto nextlink;
1.89 schwarze 896: }
897: if (strlcpy(buf, mlink->file, PATH_MAX) >= PATH_MAX) {
898: if (warnings)
899: say(mlink->file, "Filename too long");
1.90 schwarze 900: goto nextlink;
1.89 schwarze 901: }
902: bufp = strstr(buf, "cat");
903: assert(NULL != bufp);
904: memcpy(bufp, "man", 3);
905: if (NULL != (bufp = strrchr(buf, '.')))
906: *++bufp = '\0';
907: strlcat(buf, mlink->dsec, PATH_MAX);
908: if (NULL == ohash_find(&mlinks,
909: ohash_qlookup(&mlinks, buf)))
1.90 schwarze 910: goto nextlink;
1.89 schwarze 911: if (warnings)
912: say(mlink->file, "Man source exists: %s", buf);
913: if (use_all)
1.90 schwarze 914: goto nextlink;
1.89 schwarze 915: *prev = mlink->next;
916: mlink_free(mlink);
1.90 schwarze 917: continue;
918: nextlink:
919: prev = &(*prev)->next;
1.89 schwarze 920: }
921: }
922:
1.93 schwarze 923: static int
924: mlink_check(struct mpage *mpage, struct mlink *mlink)
925: {
926: int match;
927:
928: match = 1;
929:
930: /*
931: * Check whether the manual section given in a file
932: * agrees with the directory where the file is located.
933: * Some manuals have suffixes like (3p) on their
934: * section number either inside the file or in the
935: * directory name, some are linked into more than one
936: * section, like encrypt(1) = makekey(8).
937: */
938:
939: if (FORM_SRC == mpage->form &&
940: strcasecmp(mpage->sec, mlink->dsec)) {
941: match = 0;
942: say(mlink->file, "Section \"%s\" manual in %s directory",
943: mpage->sec, mlink->dsec);
944: }
945:
946: /*
947: * Manual page directories exist for each kernel
948: * architecture as returned by machine(1).
949: * However, many manuals only depend on the
950: * application architecture as returned by arch(1).
951: * For example, some (2/ARM) manuals are shared
952: * across the "armish" and "zaurus" kernel
953: * architectures.
954: * A few manuals are even shared across completely
955: * different architectures, for example fdformat(1)
956: * on amd64, i386, sparc, and sparc64.
957: */
958:
959: if (strcasecmp(mpage->arch, mlink->arch)) {
960: match = 0;
961: say(mlink->file, "Architecture \"%s\" manual in "
962: "\"%s\" directory", mpage->arch, mlink->arch);
963: }
964:
965: if (strcasecmp(mpage->title, mlink->name))
966: match = 0;
967:
968: return(match);
969: }
970:
1.89 schwarze 971: /*
1.80 schwarze 972: * Run through the files in the global vector "mpages"
973: * and add them to the database specified in "basedir".
1.50 kristaps 974: *
975: * This handles the parsing scheme itself, using the cues of directory
976: * and filename to determine whether the file is parsable or not.
977: */
1.59 schwarze 978: static void
1.101 schwarze 979: mpages_merge(struct mchars *mc, struct mparse *mp)
1.50 kristaps 980: {
1.113 schwarze 981: char any[] = "any";
1.101 schwarze 982: struct ohash_info str_info;
1.124 schwarze 983: int fd[2];
1.118 schwarze 984: struct mpage *mpage, *mpage_dest;
985: struct mlink *mlink, *mlink_dest;
1.69 schwarze 986: struct mdoc *mdoc;
987: struct man *man;
1.118 schwarze 988: char *sodest;
1.112 schwarze 989: char *cp;
1.124 schwarze 990: pid_t child_pid;
991: int match, status;
1.101 schwarze 992: unsigned int pslot;
1.69 schwarze 993: enum mandoclevel lvl;
994:
1.71 schwarze 995: str_info.alloc = hash_alloc;
996: str_info.halloc = hash_halloc;
997: str_info.hfree = hash_free;
998: str_info.key_offset = offsetof(struct str, key);
999:
1.107 schwarze 1000: if (0 == nodb)
1001: SQL_EXEC("BEGIN TRANSACTION");
1002:
1.80 schwarze 1003: mpage = ohash_first(&mpages, &pslot);
1004: while (NULL != mpage) {
1.89 schwarze 1005: mlinks_undupe(mpage);
1006: if (NULL == mpage->mlinks) {
1007: mpage = ohash_next(&mpages, &pslot);
1008: continue;
1.50 kristaps 1009: }
1010:
1.71 schwarze 1011: ohash_init(&strings, 6, &str_info);
1.50 kristaps 1012: mparse_reset(mp);
1013: mdoc = NULL;
1014: man = NULL;
1.124 schwarze 1015: sodest = NULL;
1016: child_pid = 0;
1017: fd[0] = -1;
1018: fd[1] = -1;
1019:
1020: if (mpage->mlinks->gzip) {
1021: if (-1 == pipe(fd)) {
1022: exitcode = (int)MANDOCLEVEL_SYSERR;
1023: say(mpage->mlinks->file, "&pipe gunzip");
1024: goto nextpage;
1025: }
1026: switch (child_pid = fork()) {
1027: case (-1):
1028: exitcode = (int)MANDOCLEVEL_SYSERR;
1029: say(mpage->mlinks->file, "&fork gunzip");
1030: child_pid = 0;
1031: close(fd[1]);
1032: close(fd[0]);
1033: goto nextpage;
1034: case (0):
1035: close(fd[0]);
1036: if (-1 == dup2(fd[1], STDOUT_FILENO)) {
1037: say(mpage->mlinks->file,
1038: "&dup gunzip");
1039: exit(1);
1040: }
1041: execlp("gunzip", "gunzip", "-c",
1042: mpage->mlinks->file, NULL);
1043: say(mpage->mlinks->file, "&exec gunzip");
1044: exit(1);
1045: default:
1046: close(fd[1]);
1047: break;
1048: }
1049: }
1.14 schwarze 1050:
1051: /*
1.33 schwarze 1052: * Try interpreting the file as mdoc(7) or man(7)
1053: * source code, unless it is already known to be
1054: * formatted. Fall back to formatted mode.
1.14 schwarze 1055: */
1.82 schwarze 1056: if (FORM_CAT != mpage->mlinks->dform ||
1.84 schwarze 1057: FORM_CAT != mpage->mlinks->fform) {
1.124 schwarze 1058: lvl = mparse_readfd(mp, fd[0], mpage->mlinks->file);
1.50 kristaps 1059: if (lvl < MANDOCLEVEL_FATAL)
1.118 schwarze 1060: mparse_result(mp, &mdoc, &man, &sodest);
1.76 schwarze 1061: }
1.14 schwarze 1062:
1.118 schwarze 1063: if (NULL != sodest) {
1064: mlink_dest = ohash_find(&mlinks,
1065: ohash_qlookup(&mlinks, sodest));
1066: if (NULL != mlink_dest) {
1067:
1068: /* The .so target exists. */
1069:
1070: mpage_dest = mlink_dest->mpage;
1071: mlink = mpage->mlinks;
1072: while (1) {
1073: mlink->mpage = mpage_dest;
1074:
1075: /*
1076: * If the target was already
1077: * processed, add the links
1078: * to the database now.
1079: * Otherwise, this will
1080: * happen when we come
1081: * to the target.
1082: */
1083:
1084: if (mpage_dest->recno)
1085: dbadd_mlink(mlink);
1086:
1087: if (NULL == mlink->next)
1088: break;
1089: mlink = mlink->next;
1090: }
1091:
1092: /* Move all links to the target. */
1093:
1094: mlink->next = mlink_dest->next;
1095: mlink_dest->next = mpage->mlinks;
1096: mpage->mlinks = NULL;
1097: }
1.124 schwarze 1098: goto nextpage;
1.118 schwarze 1099: } else if (NULL != mdoc) {
1.82 schwarze 1100: mpage->form = FORM_SRC;
1101: mpage->sec =
1102: mandoc_strdup(mdoc_meta(mdoc)->msec);
1103: mpage->arch = mdoc_meta(mdoc)->arch;
1.84 schwarze 1104: mpage->arch = mandoc_strdup(
1105: NULL == mpage->arch ? "" : mpage->arch);
1.82 schwarze 1106: mpage->title =
1107: mandoc_strdup(mdoc_meta(mdoc)->title);
1.14 schwarze 1108: } else if (NULL != man) {
1.82 schwarze 1109: mpage->form = FORM_SRC;
1110: mpage->sec =
1111: mandoc_strdup(man_meta(man)->msec);
1112: mpage->arch =
1113: mandoc_strdup(mpage->mlinks->arch);
1114: mpage->title =
1115: mandoc_strdup(man_meta(man)->title);
1.76 schwarze 1116: } else {
1.82 schwarze 1117: mpage->form = FORM_CAT;
1118: mpage->sec =
1119: mandoc_strdup(mpage->mlinks->dsec);
1120: mpage->arch =
1121: mandoc_strdup(mpage->mlinks->arch);
1122: mpage->title =
1123: mandoc_strdup(mpage->mlinks->name);
1.76 schwarze 1124: }
1.97 schwarze 1125: putkey(mpage, mpage->sec, TYPE_sec);
1.98 schwarze 1126: putkey(mpage, '\0' == *mpage->arch ?
1.113 schwarze 1127: any : mpage->arch, TYPE_arch);
1.50 kristaps 1128:
1.97 schwarze 1129: for (mlink = mpage->mlinks; mlink; mlink = mlink->next) {
1130: if ('\0' != *mlink->dsec)
1131: putkey(mpage, mlink->dsec, TYPE_sec);
1132: if ('\0' != *mlink->fsec)
1133: putkey(mpage, mlink->fsec, TYPE_sec);
1.98 schwarze 1134: putkey(mpage, '\0' == *mlink->arch ?
1.113 schwarze 1135: any : mlink->arch, TYPE_arch);
1.93 schwarze 1136: putkey(mpage, mlink->name, TYPE_Nm);
1.97 schwarze 1137: }
1.12 schwarze 1138:
1.93 schwarze 1139: if (warnings && !use_all) {
1.69 schwarze 1140: match = 0;
1.93 schwarze 1141: for (mlink = mpage->mlinks; mlink;
1142: mlink = mlink->next)
1143: if (mlink_check(mpage, mlink))
1144: match = 1;
1145: } else
1146: match = 1;
1.12 schwarze 1147:
1.50 kristaps 1148: if (NULL != mdoc) {
1149: if (NULL != (cp = mdoc_meta(mdoc)->name))
1.78 schwarze 1150: putkey(mpage, cp, TYPE_Nm);
1151: assert(NULL == mpage->desc);
1152: parse_mdoc(mpage, mdoc_node(mdoc));
1153: putkey(mpage, NULL != mpage->desc ?
1.82 schwarze 1154: mpage->desc : mpage->mlinks->name, TYPE_Nd);
1.50 kristaps 1155: } else if (NULL != man)
1.78 schwarze 1156: parse_man(mpage, man_node(man));
1.50 kristaps 1157: else
1.124 schwarze 1158: parse_cat(mpage, fd[0]);
1.44 kristaps 1159:
1.105 schwarze 1160: dbadd(mpage, mc);
1.124 schwarze 1161:
1162: nextpage:
1163: if (child_pid) {
1164: if (-1 == waitpid(child_pid, &status, 0)) {
1165: exitcode = (int)MANDOCLEVEL_SYSERR;
1166: say(mpage->mlinks->file, "&wait gunzip");
1167: } else if (WIFSIGNALED(status)) {
1168: exitcode = (int)MANDOCLEVEL_SYSERR;
1169: say(mpage->mlinks->file,
1170: "gunzip died from signal %d",
1171: WTERMSIG(status));
1172: } else if (WEXITSTATUS(status)) {
1173: exitcode = (int)MANDOCLEVEL_SYSERR;
1174: say(mpage->mlinks->file,
1175: "gunzip failed with code %d",
1176: WEXITSTATUS(status));
1177: }
1178: }
1.66 schwarze 1179: ohash_delete(&strings);
1.80 schwarze 1180: mpage = ohash_next(&mpages, &pslot);
1.50 kristaps 1181: }
1.107 schwarze 1182:
1183: if (0 == nodb)
1184: SQL_EXEC("END TRANSACTION");
1.50 kristaps 1185: }
1.12 schwarze 1186:
1.50 kristaps 1187: static void
1.124 schwarze 1188: parse_cat(struct mpage *mpage, int fd)
1.50 kristaps 1189: {
1190: FILE *stream;
1191: char *line, *p, *title;
1192: size_t len, plen, titlesz;
1.12 schwarze 1193:
1.124 schwarze 1194: stream = (-1 == fd) ?
1195: fopen(mpage->mlinks->file, "r") :
1196: fdopen(fd, "r");
1197: if (NULL == stream) {
1.56 schwarze 1198: if (warnings)
1.123 schwarze 1199: say(mpage->mlinks->file, "&fopen");
1.50 kristaps 1200: return;
1201: }
1.1 kristaps 1202:
1.50 kristaps 1203: /* Skip to first blank line. */
1.1 kristaps 1204:
1.50 kristaps 1205: while (NULL != (line = fgetln(stream, &len)))
1206: if ('\n' == *line)
1207: break;
1.1 kristaps 1208:
1.50 kristaps 1209: /*
1210: * Assume the first line that is not indented
1211: * is the first section header. Skip to it.
1212: */
1.1 kristaps 1213:
1.50 kristaps 1214: while (NULL != (line = fgetln(stream, &len)))
1215: if ('\n' != *line && ' ' != *line)
1216: break;
1217:
1218: /*
1219: * Read up until the next section into a buffer.
1220: * Strip the leading and trailing newline from each read line,
1221: * appending a trailing space.
1222: * Ignore empty (whitespace-only) lines.
1223: */
1.1 kristaps 1224:
1.50 kristaps 1225: titlesz = 0;
1226: title = NULL;
1.38 schwarze 1227:
1.50 kristaps 1228: while (NULL != (line = fgetln(stream, &len))) {
1229: if (' ' != *line || '\n' != line[len - 1])
1230: break;
1231: while (len > 0 && isspace((unsigned char)*line)) {
1232: line++;
1233: len--;
1234: }
1235: if (1 == len)
1.38 schwarze 1236: continue;
1.50 kristaps 1237: title = mandoc_realloc(title, titlesz + len);
1238: memcpy(title + titlesz, line, len);
1239: titlesz += len;
1240: title[titlesz - 1] = ' ';
1241: }
1.38 schwarze 1242:
1.50 kristaps 1243: /*
1244: * If no page content can be found, or the input line
1245: * is already the next section header, or there is no
1246: * trailing newline, reuse the page title as the page
1247: * description.
1248: */
1.44 kristaps 1249:
1.50 kristaps 1250: if (NULL == title || '\0' == *title) {
1.56 schwarze 1251: if (warnings)
1.82 schwarze 1252: say(mpage->mlinks->file,
1253: "Cannot find NAME section");
1.78 schwarze 1254: assert(NULL == mpage->desc);
1.82 schwarze 1255: mpage->desc = mandoc_strdup(mpage->mlinks->name);
1256: putkey(mpage, mpage->mlinks->name, TYPE_Nd);
1.50 kristaps 1257: fclose(stream);
1258: free(title);
1259: return;
1260: }
1.1 kristaps 1261:
1.50 kristaps 1262: title = mandoc_realloc(title, titlesz + 1);
1263: title[titlesz] = '\0';
1.33 schwarze 1264:
1.50 kristaps 1265: /*
1266: * Skip to the first dash.
1267: * Use the remaining line as the description (no more than 70
1268: * bytes).
1269: */
1.33 schwarze 1270:
1.50 kristaps 1271: if (NULL != (p = strstr(title, "- "))) {
1272: for (p += 2; ' ' == *p || '\b' == *p; p++)
1273: /* Skip to next word. */ ;
1274: } else {
1.56 schwarze 1275: if (warnings)
1.82 schwarze 1276: say(mpage->mlinks->file,
1277: "No dash in title line");
1.50 kristaps 1278: p = title;
1279: }
1.38 schwarze 1280:
1.50 kristaps 1281: plen = strlen(p);
1.1 kristaps 1282:
1.50 kristaps 1283: /* Strip backspace-encoding from line. */
1.1 kristaps 1284:
1.50 kristaps 1285: while (NULL != (line = memchr(p, '\b', plen))) {
1286: len = line - p;
1287: if (0 == len) {
1288: memmove(line, line + 1, plen--);
1289: continue;
1290: }
1291: memmove(line - 1, line + 1, plen - len);
1292: plen -= 2;
1293: }
1.1 kristaps 1294:
1.78 schwarze 1295: assert(NULL == mpage->desc);
1296: mpage->desc = mandoc_strdup(p);
1297: putkey(mpage, mpage->desc, TYPE_Nd);
1.50 kristaps 1298: fclose(stream);
1299: free(title);
1300: }
1.1 kristaps 1301:
1.50 kristaps 1302: /*
1303: * Put a type/word pair into the word database for this particular file.
1304: */
1305: static void
1.112 schwarze 1306: putkey(const struct mpage *mpage, char *value, uint64_t type)
1.50 kristaps 1307: {
1.112 schwarze 1308: char *cp;
1.18 kristaps 1309:
1.50 kristaps 1310: assert(NULL != value);
1.112 schwarze 1311: if (TYPE_arch == type)
1312: for (cp = value; *cp; cp++)
1313: if (isupper((unsigned char)*cp))
1314: *cp = _tolower((unsigned char)*cp);
1.78 schwarze 1315: putkeys(mpage, value, strlen(value), type);
1.3 kristaps 1316: }
1317:
1318: /*
1.50 kristaps 1319: * Grok all nodes at or below a certain mdoc node into putkey().
1.3 kristaps 1320: */
1321: static void
1.78 schwarze 1322: putmdockey(const struct mpage *mpage,
1323: const struct mdoc_node *n, uint64_t m)
1.3 kristaps 1324: {
1.18 kristaps 1325:
1.50 kristaps 1326: for ( ; NULL != n; n = n->next) {
1327: if (NULL != n->child)
1.78 schwarze 1328: putmdockey(mpage, n->child, m);
1.50 kristaps 1329: if (MDOC_TEXT == n->type)
1.78 schwarze 1330: putkey(mpage, n->string, m);
1.50 kristaps 1331: }
1332: }
1.18 kristaps 1333:
1.61 schwarze 1334: static void
1.78 schwarze 1335: parse_man(struct mpage *mpage, const struct man_node *n)
1.50 kristaps 1336: {
1337: const struct man_node *head, *body;
1.121 schwarze 1338: char *start, *title;
1.50 kristaps 1339: char byte;
1.121 schwarze 1340: size_t sz;
1.18 kristaps 1341:
1.50 kristaps 1342: if (NULL == n)
1.61 schwarze 1343: return;
1.18 kristaps 1344:
1.50 kristaps 1345: /*
1346: * We're only searching for one thing: the first text child in
1347: * the BODY of a NAME section. Since we don't keep track of
1348: * sections in -man, run some hoops to find out whether we're in
1349: * the correct section or not.
1350: */
1.18 kristaps 1351:
1.50 kristaps 1352: if (MAN_BODY == n->type && MAN_SH == n->tok) {
1353: body = n;
1354: assert(body->parent);
1355: if (NULL != (head = body->parent->head) &&
1356: 1 == head->nchild &&
1357: NULL != (head = (head->child)) &&
1358: MAN_TEXT == head->type &&
1359: 0 == strcmp(head->string, "NAME") &&
1.121 schwarze 1360: NULL != body->child) {
1.3 kristaps 1361:
1.50 kristaps 1362: /*
1363: * Suck the entire NAME section into memory.
1364: * Yes, we might run away.
1365: * But too many manuals have big, spread-out
1366: * NAME sections over many lines.
1367: */
1.3 kristaps 1368:
1.121 schwarze 1369: title = NULL;
1370: man_deroff(&title, body);
1.50 kristaps 1371: if (NULL == title)
1.61 schwarze 1372: return;
1.18 kristaps 1373:
1.50 kristaps 1374: /*
1375: * Go through a special heuristic dance here.
1376: * Conventionally, one or more manual names are
1377: * comma-specified prior to a whitespace, then a
1378: * dash, then a description. Try to puzzle out
1379: * the name parts here.
1380: */
1.18 kristaps 1381:
1.121 schwarze 1382: start = title;
1.50 kristaps 1383: for ( ;; ) {
1384: sz = strcspn(start, " ,");
1385: if ('\0' == start[sz])
1386: break;
1.1 kristaps 1387:
1.50 kristaps 1388: byte = start[sz];
1389: start[sz] = '\0';
1.110 schwarze 1390:
1391: /*
1392: * Assume a stray trailing comma in the
1393: * name list if a name begins with a dash.
1394: */
1395:
1396: if ('-' == start[0] ||
1397: ('\\' == start[0] && '-' == start[1]))
1398: break;
1.1 kristaps 1399:
1.78 schwarze 1400: putkey(mpage, start, TYPE_Nm);
1.1 kristaps 1401:
1.50 kristaps 1402: if (' ' == byte) {
1403: start += sz + 1;
1404: break;
1405: }
1.1 kristaps 1406:
1.50 kristaps 1407: assert(',' == byte);
1408: start += sz + 1;
1409: while (' ' == *start)
1410: start++;
1411: }
1.1 kristaps 1412:
1.121 schwarze 1413: if (start == title) {
1.78 schwarze 1414: putkey(mpage, start, TYPE_Nm);
1.50 kristaps 1415: free(title);
1.61 schwarze 1416: return;
1.50 kristaps 1417: }
1.1 kristaps 1418:
1.50 kristaps 1419: while (isspace((unsigned char)*start))
1420: start++;
1.1 kristaps 1421:
1.50 kristaps 1422: if (0 == strncmp(start, "-", 1))
1423: start += 1;
1424: else if (0 == strncmp(start, "\\-\\-", 4))
1425: start += 4;
1426: else if (0 == strncmp(start, "\\-", 2))
1427: start += 2;
1428: else if (0 == strncmp(start, "\\(en", 4))
1429: start += 4;
1430: else if (0 == strncmp(start, "\\(em", 4))
1431: start += 4;
1.1 kristaps 1432:
1.50 kristaps 1433: while (' ' == *start)
1434: start++;
1.1 kristaps 1435:
1.78 schwarze 1436: assert(NULL == mpage->desc);
1437: mpage->desc = mandoc_strdup(start);
1438: putkey(mpage, mpage->desc, TYPE_Nd);
1.50 kristaps 1439: free(title);
1.61 schwarze 1440: return;
1.50 kristaps 1441: }
1442: }
1.1 kristaps 1443:
1.77 schwarze 1444: for (n = n->child; n; n = n->next) {
1.78 schwarze 1445: if (NULL != mpage->desc)
1.77 schwarze 1446: break;
1.78 schwarze 1447: parse_man(mpage, n);
1.77 schwarze 1448: }
1.1 kristaps 1449: }
1450:
1451: static void
1.78 schwarze 1452: parse_mdoc(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1453: {
1454:
1.50 kristaps 1455: assert(NULL != n);
1456: for (n = n->child; NULL != n; n = n->next) {
1457: switch (n->type) {
1458: case (MDOC_ELEM):
1459: /* FALLTHROUGH */
1460: case (MDOC_BLOCK):
1461: /* FALLTHROUGH */
1462: case (MDOC_HEAD):
1463: /* FALLTHROUGH */
1464: case (MDOC_BODY):
1465: /* FALLTHROUGH */
1466: case (MDOC_TAIL):
1467: if (NULL != mdocs[n->tok].fp)
1.78 schwarze 1468: if (0 == (*mdocs[n->tok].fp)(mpage, n))
1.50 kristaps 1469: break;
1.68 schwarze 1470: if (mdocs[n->tok].mask)
1.78 schwarze 1471: putmdockey(mpage, n->child,
1472: mdocs[n->tok].mask);
1.50 kristaps 1473: break;
1474: default:
1475: assert(MDOC_ROOT != n->type);
1476: continue;
1477: }
1478: if (NULL != n->child)
1.78 schwarze 1479: parse_mdoc(mpage, n);
1.1 kristaps 1480: }
1481: }
1482:
1.25 schwarze 1483: static int
1.78 schwarze 1484: parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1485: {
1486: const char *start, *end;
1487: size_t sz;
1.25 schwarze 1488:
1.50 kristaps 1489: if (SEC_SYNOPSIS != n->sec ||
1490: NULL == (n = n->child) ||
1491: MDOC_TEXT != n->type)
1.25 schwarze 1492: return(0);
1.1 kristaps 1493:
1494: /*
1495: * Only consider those `Fd' macro fields that begin with an
1496: * "inclusion" token (versus, e.g., #define).
1497: */
1.50 kristaps 1498:
1.1 kristaps 1499: if (strcmp("#include", n->string))
1.25 schwarze 1500: return(0);
1.1 kristaps 1501:
1502: if (NULL == (n = n->next) || MDOC_TEXT != n->type)
1.25 schwarze 1503: return(0);
1.1 kristaps 1504:
1505: /*
1506: * Strip away the enclosing angle brackets and make sure we're
1507: * not zero-length.
1508: */
1509:
1510: start = n->string;
1511: if ('<' == *start || '"' == *start)
1512: start++;
1513:
1514: if (0 == (sz = strlen(start)))
1.25 schwarze 1515: return(0);
1.1 kristaps 1516:
1517: end = &start[(int)sz - 1];
1518: if ('>' == *end || '"' == *end)
1519: end--;
1520:
1.50 kristaps 1521: if (end > start)
1.78 schwarze 1522: putkeys(mpage, start, end - start + 1, TYPE_In);
1.92 schwarze 1523: return(0);
1.1 kristaps 1524: }
1525:
1.25 schwarze 1526: static int
1.78 schwarze 1527: parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1528: {
1.112 schwarze 1529: char *cp;
1.1 kristaps 1530:
1.50 kristaps 1531: if (NULL == (n = n->child) || MDOC_TEXT != n->type)
1.25 schwarze 1532: return(0);
1533:
1.50 kristaps 1534: /*
1535: * Parse: .Fn "struct type *name" "char *arg".
1536: * First strip away pointer symbol.
1537: * Then store the function name, then type.
1538: * Finally, store the arguments.
1539: */
1.1 kristaps 1540:
1.50 kristaps 1541: if (NULL == (cp = strrchr(n->string, ' ')))
1542: cp = n->string;
1.1 kristaps 1543:
1544: while ('*' == *cp)
1545: cp++;
1546:
1.78 schwarze 1547: putkey(mpage, cp, TYPE_Fn);
1.25 schwarze 1548:
1.50 kristaps 1549: if (n->string < cp)
1.78 schwarze 1550: putkeys(mpage, n->string, cp - n->string, TYPE_Ft);
1.25 schwarze 1551:
1.50 kristaps 1552: for (n = n->next; NULL != n; n = n->next)
1553: if (MDOC_TEXT == n->type)
1.78 schwarze 1554: putkey(mpage, n->string, TYPE_Fa);
1.25 schwarze 1555:
1556: return(0);
1.1 kristaps 1557: }
1558:
1.25 schwarze 1559: static int
1.78 schwarze 1560: parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1561: {
1.67 schwarze 1562: char *cp;
1.1 kristaps 1563:
1564: if (NULL == (n = n->child))
1.25 schwarze 1565: return(0);
1.1 kristaps 1566:
1.67 schwarze 1567: if (NULL == n->next) {
1.78 schwarze 1568: putkey(mpage, n->string, TYPE_Xr);
1.67 schwarze 1569: return(0);
1570: }
1571:
1.120 schwarze 1572: mandoc_asprintf(&cp, "%s(%s)", n->string, n->next->string);
1.78 schwarze 1573: putkey(mpage, cp, TYPE_Xr);
1.67 schwarze 1574: free(cp);
1575: return(0);
1.1 kristaps 1576: }
1577:
1.25 schwarze 1578: static int
1.78 schwarze 1579: parse_mdoc_Nd(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1580: {
1581:
1.122 schwarze 1582: if (MDOC_BODY == n->type)
1583: mdoc_deroff(&mpage->desc, n);
1584: return(0);
1.1 kristaps 1585: }
1586:
1.25 schwarze 1587: static int
1.78 schwarze 1588: parse_mdoc_Nm(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1589: {
1590:
1.92 schwarze 1591: return(SEC_NAME == n->sec ||
1592: (SEC_SYNOPSIS == n->sec && MDOC_HEAD == n->type));
1.1 kristaps 1593: }
1594:
1.25 schwarze 1595: static int
1.78 schwarze 1596: parse_mdoc_Sh(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1597: {
1598:
1.25 schwarze 1599: return(SEC_CUSTOM == n->sec && MDOC_HEAD == n->type);
1.1 kristaps 1600: }
1601:
1.50 kristaps 1602: static int
1.78 schwarze 1603: parse_mdoc_head(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1604: {
1605:
1.50 kristaps 1606: return(MDOC_HEAD == n->type);
1607: }
1.1 kristaps 1608:
1.50 kristaps 1609: static int
1.78 schwarze 1610: parse_mdoc_body(struct mpage *mpage, const struct mdoc_node *n)
1.50 kristaps 1611: {
1.1 kristaps 1612:
1.50 kristaps 1613: return(MDOC_BODY == n->type);
1.1 kristaps 1614: }
1615:
1.50 kristaps 1616: /*
1.66 schwarze 1617: * Add a string to the hash table for the current manual.
1618: * Each string has a bitmask telling which macros it belongs to.
1619: * When we finish the manual, we'll dump the table.
1.50 kristaps 1620: */
1621: static void
1.78 schwarze 1622: putkeys(const struct mpage *mpage,
1623: const char *cp, size_t sz, uint64_t v)
1.50 kristaps 1624: {
1625: struct str *s;
1.111 schwarze 1626: const char *end;
1627: uint64_t mask;
1.65 schwarze 1628: unsigned int slot;
1.111 schwarze 1629: int i;
1.25 schwarze 1630:
1.50 kristaps 1631: if (0 == sz)
1632: return;
1.111 schwarze 1633:
1.125 schwarze 1634: if (debug > 1) {
1.111 schwarze 1635: for (i = 0, mask = 1;
1636: i < mansearch_keymax;
1637: i++, mask <<= 1)
1638: if (mask & v)
1639: break;
1640: say(mpage->mlinks->file, "Adding key %s=%*s",
1641: mansearch_keynames[i], sz, cp);
1642: }
1.25 schwarze 1643:
1.65 schwarze 1644: end = cp + sz;
1645: slot = ohash_qlookupi(&strings, cp, &end);
1646: s = ohash_find(&strings, slot);
1.25 schwarze 1647:
1.78 schwarze 1648: if (NULL != s && mpage == s->mpage) {
1.50 kristaps 1649: s->mask |= v;
1650: return;
1651: } else if (NULL == s) {
1.51 kristaps 1652: s = mandoc_calloc(sizeof(struct str) + sz + 1, 1);
1.50 kristaps 1653: memcpy(s->key, cp, sz);
1.65 schwarze 1654: ohash_insert(&strings, slot, s);
1.1 kristaps 1655: }
1.78 schwarze 1656: s->mpage = mpage;
1.50 kristaps 1657: s->mask = v;
1.1 kristaps 1658: }
1659:
1.50 kristaps 1660: /*
1661: * Take a Unicode codepoint and produce its UTF-8 encoding.
1662: * This isn't the best way to do this, but it works.
1663: * The magic numbers are from the UTF-8 packaging.
1664: * They're not as scary as they seem: read the UTF-8 spec for details.
1665: */
1666: static size_t
1667: utf8(unsigned int cp, char out[7])
1.1 kristaps 1668: {
1.50 kristaps 1669: size_t rc;
1.1 kristaps 1670:
1.50 kristaps 1671: rc = 0;
1672: if (cp <= 0x0000007F) {
1673: rc = 1;
1674: out[0] = (char)cp;
1675: } else if (cp <= 0x000007FF) {
1676: rc = 2;
1677: out[0] = (cp >> 6 & 31) | 192;
1678: out[1] = (cp & 63) | 128;
1679: } else if (cp <= 0x0000FFFF) {
1680: rc = 3;
1681: out[0] = (cp >> 12 & 15) | 224;
1682: out[1] = (cp >> 6 & 63) | 128;
1683: out[2] = (cp & 63) | 128;
1684: } else if (cp <= 0x001FFFFF) {
1685: rc = 4;
1686: out[0] = (cp >> 18 & 7) | 240;
1687: out[1] = (cp >> 12 & 63) | 128;
1688: out[2] = (cp >> 6 & 63) | 128;
1689: out[3] = (cp & 63) | 128;
1690: } else if (cp <= 0x03FFFFFF) {
1691: rc = 5;
1692: out[0] = (cp >> 24 & 3) | 248;
1693: out[1] = (cp >> 18 & 63) | 128;
1694: out[2] = (cp >> 12 & 63) | 128;
1695: out[3] = (cp >> 6 & 63) | 128;
1696: out[4] = (cp & 63) | 128;
1697: } else if (cp <= 0x7FFFFFFF) {
1698: rc = 6;
1699: out[0] = (cp >> 30 & 1) | 252;
1700: out[1] = (cp >> 24 & 63) | 128;
1701: out[2] = (cp >> 18 & 63) | 128;
1702: out[3] = (cp >> 12 & 63) | 128;
1703: out[4] = (cp >> 6 & 63) | 128;
1704: out[5] = (cp & 63) | 128;
1705: } else
1.1 kristaps 1706: return(0);
1707:
1.50 kristaps 1708: out[rc] = '\0';
1709: return(rc);
1710: }
1.1 kristaps 1711:
1.50 kristaps 1712: /*
1.96 schwarze 1713: * Store the rendered version of a key, or alias the pointer
1714: * if the key contains no escape sequences.
1.50 kristaps 1715: */
1716: static void
1.96 schwarze 1717: render_key(struct mchars *mc, struct str *key)
1.50 kristaps 1718: {
1719: size_t sz, bsz, pos;
1.114 schwarze 1720: char utfbuf[7], res[6];
1.50 kristaps 1721: char *buf;
1722: const char *seq, *cpp, *val;
1723: int len, u;
1724: enum mandoc_esc esc;
1725:
1.96 schwarze 1726: assert(NULL == key->rendered);
1.50 kristaps 1727:
1728: res[0] = '\\';
1729: res[1] = '\t';
1730: res[2] = ASCII_NBRSP;
1731: res[3] = ASCII_HYPH;
1.114 schwarze 1732: res[4] = ASCII_BREAK;
1733: res[5] = '\0';
1.1 kristaps 1734:
1.50 kristaps 1735: val = key->key;
1736: bsz = strlen(val);
1.46 kristaps 1737:
1.50 kristaps 1738: /*
1739: * Pre-check: if we have no stop-characters, then set the
1740: * pointer as ourselvse and get out of here.
1741: */
1742: if (strcspn(val, res) == bsz) {
1.96 schwarze 1743: key->rendered = key->key;
1.50 kristaps 1744: return;
1745: }
1.46 kristaps 1746:
1.50 kristaps 1747: /* Pre-allocate by the length of the input */
1.46 kristaps 1748:
1.50 kristaps 1749: buf = mandoc_malloc(++bsz);
1750: pos = 0;
1.46 kristaps 1751:
1.50 kristaps 1752: while ('\0' != *val) {
1753: /*
1754: * Halt on the first escape sequence.
1755: * This also halts on the end of string, in which case
1756: * we just copy, fallthrough, and exit the loop.
1757: */
1758: if ((sz = strcspn(val, res)) > 0) {
1759: memcpy(&buf[pos], val, sz);
1760: pos += sz;
1761: val += sz;
1762: }
1.46 kristaps 1763:
1.114 schwarze 1764: switch (*val) {
1765: case (ASCII_HYPH):
1.50 kristaps 1766: buf[pos++] = '-';
1767: val++;
1768: continue;
1.114 schwarze 1769: case ('\t'):
1770: /* FALLTHROUGH */
1771: case (ASCII_NBRSP):
1.50 kristaps 1772: buf[pos++] = ' ';
1773: val++;
1.114 schwarze 1774: /* FALLTHROUGH */
1775: case (ASCII_BREAK):
1.50 kristaps 1776: continue;
1.114 schwarze 1777: default:
1778: break;
1779: }
1780: if ('\\' != *val)
1.50 kristaps 1781: break;
1.46 kristaps 1782:
1.50 kristaps 1783: /* Read past the slash. */
1.46 kristaps 1784:
1.50 kristaps 1785: val++;
1.46 kristaps 1786:
1.50 kristaps 1787: /*
1788: * Parse the escape sequence and see if it's a
1789: * predefined character or special character.
1790: */
1.95 schwarze 1791:
1.50 kristaps 1792: esc = mandoc_escape
1793: ((const char **)&val, &seq, &len);
1794: if (ESCAPE_ERROR == esc)
1795: break;
1796: if (ESCAPE_SPECIAL != esc)
1797: continue;
1.1 kristaps 1798:
1.50 kristaps 1799: /*
1.95 schwarze 1800: * Render the special character
1801: * as either UTF-8 or ASCII.
1.50 kristaps 1802: */
1.95 schwarze 1803:
1804: if (write_utf8) {
1805: if (0 == (u = mchars_spec2cp(mc, seq, len)))
1806: continue;
1807: cpp = utfbuf;
1808: if (0 == (sz = utf8(u, utfbuf)))
1809: continue;
1810: sz = strlen(cpp);
1811: } else {
1812: cpp = mchars_spec2str(mc, seq, len, &sz);
1813: if (NULL == cpp)
1814: continue;
1815: if (ASCII_NBRSP == *cpp) {
1816: cpp = " ";
1817: sz = 1;
1818: }
1819: }
1.1 kristaps 1820:
1.50 kristaps 1821: /* Copy the rendered glyph into the stream. */
1.1 kristaps 1822:
1.50 kristaps 1823: bsz += sz;
1824: buf = mandoc_realloc(buf, bsz);
1825: memcpy(&buf[pos], cpp, sz);
1826: pos += sz;
1.1 kristaps 1827: }
1828:
1.50 kristaps 1829: buf[pos] = '\0';
1.96 schwarze 1830: key->rendered = buf;
1.1 kristaps 1831: }
1832:
1.118 schwarze 1833: static void
1834: dbadd_mlink(const struct mlink *mlink)
1835: {
1836: size_t i;
1837:
1838: i = 1;
1839: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->dsec);
1840: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->arch);
1841: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->name);
1842: SQL_BIND_INT64(stmts[STMT_INSERT_LINK], i, mlink->mpage->recno);
1843: SQL_STEP(stmts[STMT_INSERT_LINK]);
1844: sqlite3_reset(stmts[STMT_INSERT_LINK]);
1845: }
1846:
1.14 schwarze 1847: /*
1.50 kristaps 1848: * Flush the current page's terms (and their bits) into the database.
1849: * Wrap the entire set of additions in a transaction to make sqlite be a
1850: * little faster.
1.96 schwarze 1851: * Also, handle escape sequences at the last possible moment.
1.14 schwarze 1852: */
1853: static void
1.118 schwarze 1854: dbadd(struct mpage *mpage, struct mchars *mc)
1.14 schwarze 1855: {
1.87 schwarze 1856: struct mlink *mlink;
1.50 kristaps 1857: struct str *key;
1.52 kristaps 1858: size_t i;
1.66 schwarze 1859: unsigned int slot;
1.14 schwarze 1860:
1.128 ! schwarze 1861: mlink = mpage->mlinks;
1.43 kristaps 1862:
1.128 ! schwarze 1863: if (nodb) {
! 1864: while (NULL != mlink) {
! 1865: fputs(mlink->name, stdout);
! 1866: if (NULL == mlink->next ||
! 1867: strcmp(mlink->dsec, mlink->next->dsec) ||
! 1868: strcmp(mlink->fsec, mlink->next->fsec) ||
! 1869: strcmp(mlink->arch, mlink->next->arch)) {
! 1870: putchar('(');
! 1871: if ('\0' == *mlink->dsec)
! 1872: fputs(mlink->fsec, stdout);
! 1873: else
! 1874: fputs(mlink->dsec, stdout);
! 1875: if ('\0' != *mlink->arch)
! 1876: printf("/%s", mlink->arch);
! 1877: putchar(')');
! 1878: }
! 1879: mlink = mlink->next;
! 1880: if (NULL != mlink)
! 1881: fputs(", ", stdout);
! 1882: }
! 1883: for (key = ohash_first(&strings, &slot); NULL != key;
! 1884: key = ohash_next(&strings, &slot)) {
! 1885: if (TYPE_Nd & key->mask) {
! 1886: if (NULL == key->rendered)
! 1887: render_key(mc, key);
! 1888: printf(" - %s", key->rendered);
! 1889: break;
! 1890: }
! 1891: }
! 1892: putchar('\n');
1.14 schwarze 1893: return;
1.128 ! schwarze 1894: }
! 1895:
! 1896: if (debug)
! 1897: say(mlink->file, "Adding to database");
1.28 kristaps 1898:
1.52 kristaps 1899: i = 1;
1.82 schwarze 1900: SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, FORM_SRC == mpage->form);
1.81 schwarze 1901: SQL_STEP(stmts[STMT_INSERT_PAGE]);
1.118 schwarze 1902: mpage->recno = sqlite3_last_insert_rowid(db);
1.81 schwarze 1903: sqlite3_reset(stmts[STMT_INSERT_PAGE]);
1904:
1.128 ! schwarze 1905: while (NULL != mlink) {
1.118 schwarze 1906: dbadd_mlink(mlink);
1.128 ! schwarze 1907: mlink = mlink->next;
! 1908: }
1.50 kristaps 1909:
1.66 schwarze 1910: for (key = ohash_first(&strings, &slot); NULL != key;
1911: key = ohash_next(&strings, &slot)) {
1.78 schwarze 1912: assert(key->mpage == mpage);
1.96 schwarze 1913: if (NULL == key->rendered)
1914: render_key(mc, key);
1.52 kristaps 1915: i = 1;
1916: SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
1.96 schwarze 1917: SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->rendered);
1.118 schwarze 1918: SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, mpage->recno);
1.52 kristaps 1919: SQL_STEP(stmts[STMT_INSERT_KEY]);
1.50 kristaps 1920: sqlite3_reset(stmts[STMT_INSERT_KEY]);
1.96 schwarze 1921: if (key->rendered != key->key)
1922: free(key->rendered);
1.66 schwarze 1923: free(key);
1.38 schwarze 1924: }
1.14 schwarze 1925: }
1926:
1.5 kristaps 1927: static void
1.59 schwarze 1928: dbprune(void)
1.5 kristaps 1929: {
1.78 schwarze 1930: struct mpage *mpage;
1.82 schwarze 1931: struct mlink *mlink;
1.52 kristaps 1932: size_t i;
1.80 schwarze 1933: unsigned int slot;
1.5 kristaps 1934:
1.106 schwarze 1935: if (0 == nodb)
1936: SQL_EXEC("BEGIN TRANSACTION");
1.12 schwarze 1937:
1.106 schwarze 1938: for (mpage = ohash_first(&mpages, &slot); NULL != mpage;
1939: mpage = ohash_next(&mpages, &slot)) {
1.82 schwarze 1940: mlink = mpage->mlinks;
1.125 schwarze 1941: if (debug)
1.106 schwarze 1942: say(mlink->file, "Deleting from database");
1943: if (nodb)
1944: continue;
1945: for ( ; NULL != mlink; mlink = mlink->next) {
1946: i = 1;
1947: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1948: i, mlink->dsec);
1949: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1950: i, mlink->arch);
1951: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1952: i, mlink->name);
1953: SQL_STEP(stmts[STMT_DELETE_PAGE]);
1954: sqlite3_reset(stmts[STMT_DELETE_PAGE]);
1955: }
1.5 kristaps 1956: }
1.106 schwarze 1957:
1958: if (0 == nodb)
1959: SQL_EXEC("END TRANSACTION");
1.5 kristaps 1960: }
1961:
1.4 kristaps 1962: /*
1.50 kristaps 1963: * Close an existing database and its prepared statements.
1964: * If "real" is not set, rename the temporary file into the real one.
1.4 kristaps 1965: */
1.35 kristaps 1966: static void
1.59 schwarze 1967: dbclose(int real)
1.4 kristaps 1968: {
1.50 kristaps 1969: size_t i;
1.115 schwarze 1970: int status;
1971: pid_t child;
1.4 kristaps 1972:
1.50 kristaps 1973: if (nodb)
1.38 schwarze 1974: return;
1.50 kristaps 1975:
1976: for (i = 0; i < STMT__MAX; i++) {
1977: sqlite3_finalize(stmts[i]);
1978: stmts[i] = NULL;
1.4 kristaps 1979: }
1980:
1.50 kristaps 1981: sqlite3_close(db);
1982: db = NULL;
1.12 schwarze 1983:
1.50 kristaps 1984: if (real)
1985: return;
1.12 schwarze 1986:
1.115 schwarze 1987: if ('\0' == *tempfilename) {
1988: if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) {
1989: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1990: say(MANDOC_DB, "&rename");
1.115 schwarze 1991: }
1992: return;
1993: }
1994:
1995: switch (child = fork()) {
1996: case (-1):
1997: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1998: say("", "&fork cmp");
1.115 schwarze 1999: return;
2000: case (0):
2001: execlp("cmp", "cmp", "-s",
2002: tempfilename, MANDOC_DB, NULL);
1.123 schwarze 2003: say("", "&exec cmp");
1.115 schwarze 2004: exit(0);
2005: default:
2006: break;
2007: }
2008: if (-1 == waitpid(child, &status, 0)) {
2009: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2010: say("", "&wait cmp");
1.115 schwarze 2011: } else if (WIFSIGNALED(status)) {
2012: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2013: say("", "cmp died from signal %d", WTERMSIG(status));
1.115 schwarze 2014: } else if (WEXITSTATUS(status)) {
1.59 schwarze 2015: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2016: say(MANDOC_DB,
2017: "Data changed, but cannot replace database");
2018: }
2019:
2020: *strrchr(tempfilename, '/') = '\0';
2021: switch (child = fork()) {
2022: case (-1):
2023: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2024: say("", "&fork rm");
1.115 schwarze 2025: return;
2026: case (0):
2027: execlp("rm", "rm", "-rf", tempfilename, NULL);
1.123 schwarze 2028: say("", "&exec rm");
1.115 schwarze 2029: exit((int)MANDOCLEVEL_SYSERR);
2030: default:
2031: break;
2032: }
2033: if (-1 == waitpid(child, &status, 0)) {
2034: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2035: say("", "&wait rm");
1.115 schwarze 2036: } else if (WIFSIGNALED(status) || WEXITSTATUS(status)) {
2037: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2038: say("", "%s: Cannot remove temporary directory",
2039: tempfilename);
1.59 schwarze 2040: }
1.50 kristaps 2041: }
1.14 schwarze 2042:
1.50 kristaps 2043: /*
2044: * This is straightforward stuff.
2045: * Open a database connection to a "temporary" database, then open a set
2046: * of prepared statements we'll use over and over again.
2047: * If "real" is set, we use the existing database; if not, we truncate a
2048: * temporary one.
2049: * Must be matched by dbclose().
2050: */
2051: static int
1.59 schwarze 2052: dbopen(int real)
1.50 kristaps 2053: {
1.115 schwarze 2054: const char *sql;
1.50 kristaps 2055: int rc, ofl;
1.12 schwarze 2056:
1.50 kristaps 2057: if (nodb)
2058: return(1);
1.12 schwarze 2059:
1.115 schwarze 2060: *tempfilename = '\0';
1.63 schwarze 2061: ofl = SQLITE_OPEN_READWRITE;
1.115 schwarze 2062:
2063: if (real) {
2064: rc = sqlite3_open_v2(MANDOC_DB, &db, ofl, NULL);
2065: if (SQLITE_OK != rc) {
1.63 schwarze 2066: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2067: say(MANDOC_DB, "%s", sqlite3_errmsg(db));
1.63 schwarze 2068: return(0);
2069: }
1.115 schwarze 2070: goto prepare_statements;
2071: }
2072:
2073: ofl |= SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE;
1.45 kristaps 2074:
1.115 schwarze 2075: remove(MANDOC_DB "~");
2076: rc = sqlite3_open_v2(MANDOC_DB "~", &db, ofl, NULL);
1.50 kristaps 2077: if (SQLITE_OK == rc)
1.115 schwarze 2078: goto create_tables;
1.116 schwarze 2079: if (MPARSE_QUICK & mparse_options) {
1.59 schwarze 2080: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2081: say(MANDOC_DB "~", "%s", sqlite3_errmsg(db));
1.50 kristaps 2082: return(0);
2083: }
1.12 schwarze 2084:
1.115 schwarze 2085: if (strlcpy(tempfilename, "/tmp/mandocdb.XXXXXX",
2086: sizeof(tempfilename)) >= sizeof(tempfilename)) {
2087: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2088: say("", "/tmp/mandocdb.XXXXXX: Filename too long");
1.115 schwarze 2089: return(0);
2090: }
2091: if (NULL == mkdtemp(tempfilename)) {
2092: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2093: say("", "&%s", tempfilename);
1.115 schwarze 2094: return(0);
2095: }
2096: if (strlcat(tempfilename, "/" MANDOC_DB,
2097: sizeof(tempfilename)) >= sizeof(tempfilename)) {
2098: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2099: say("", "%s/" MANDOC_DB ": Filename too long",
2100: tempfilename);
1.115 schwarze 2101: return(0);
2102: }
2103: rc = sqlite3_open_v2(tempfilename, &db, ofl, NULL);
2104: if (SQLITE_OK != rc) {
1.59 schwarze 2105: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2106: say("", "%s: %s", tempfilename, sqlite3_errmsg(db));
1.50 kristaps 2107: return(0);
2108: }
1.12 schwarze 2109:
1.115 schwarze 2110: create_tables:
1.81 schwarze 2111: sql = "CREATE TABLE \"mpages\" (\n"
1.50 kristaps 2112: " \"form\" INTEGER NOT NULL,\n"
2113: " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
2114: ");\n"
2115: "\n"
1.81 schwarze 2116: "CREATE TABLE \"mlinks\" (\n"
2117: " \"sec\" TEXT NOT NULL,\n"
2118: " \"arch\" TEXT NOT NULL,\n"
2119: " \"name\" TEXT NOT NULL,\n"
2120: " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
1.109 schwarze 2121: "ON DELETE CASCADE\n"
1.81 schwarze 2122: ");\n"
2123: "\n"
1.50 kristaps 2124: "CREATE TABLE \"keys\" (\n"
2125: " \"bits\" INTEGER NOT NULL,\n"
2126: " \"key\" TEXT NOT NULL,\n"
1.81 schwarze 2127: " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
1.109 schwarze 2128: "ON DELETE CASCADE\n"
1.108 schwarze 2129: ");\n";
1.14 schwarze 2130:
1.50 kristaps 2131: if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
1.59 schwarze 2132: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2133: say(MANDOC_DB, "%s", sqlite3_errmsg(db));
1.50 kristaps 2134: return(0);
2135: }
1.4 kristaps 2136:
1.57 schwarze 2137: prepare_statements:
2138: SQL_EXEC("PRAGMA foreign_keys = ON");
1.106 schwarze 2139: sql = "DELETE FROM mpages WHERE id IN "
2140: "(SELECT pageid FROM mlinks WHERE "
2141: "sec=? AND arch=? AND name=?)";
1.81 schwarze 2142: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE_PAGE], NULL);
2143: sql = "INSERT INTO mpages "
1.103 schwarze 2144: "(form) VALUES (?)";
1.81 schwarze 2145: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_PAGE], NULL);
2146: sql = "INSERT INTO mlinks "
1.104 schwarze 2147: "(sec,arch,name,pageid) VALUES (?,?,?,?)";
1.81 schwarze 2148: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_LINK], NULL);
1.50 kristaps 2149: sql = "INSERT INTO keys "
1.81 schwarze 2150: "(bits,key,pageid) VALUES (?,?,?)";
1.50 kristaps 2151: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);
1.70 schwarze 2152:
2153: #ifndef __APPLE__
2154: /*
2155: * When opening a new database, we can turn off
2156: * synchronous mode for much better performance.
2157: */
2158:
2159: if (real)
2160: SQL_EXEC("PRAGMA synchronous = OFF");
2161: #endif
2162:
1.50 kristaps 2163: return(1);
2164: }
1.5 kristaps 2165:
1.50 kristaps 2166: static void *
2167: hash_halloc(size_t sz, void *arg)
2168: {
1.12 schwarze 2169:
1.50 kristaps 2170: return(mandoc_calloc(sz, 1));
2171: }
1.12 schwarze 2172:
1.50 kristaps 2173: static void *
2174: hash_alloc(size_t sz, void *arg)
2175: {
1.5 kristaps 2176:
1.50 kristaps 2177: return(mandoc_malloc(sz));
2178: }
1.41 kristaps 2179:
1.50 kristaps 2180: static void
2181: hash_free(void *p, size_t sz, void *arg)
2182: {
1.4 kristaps 2183:
1.50 kristaps 2184: free(p);
1.4 kristaps 2185: }
2186:
1.50 kristaps 2187: static int
1.59 schwarze 2188: set_basedir(const char *targetdir)
1.4 kristaps 2189: {
1.59 schwarze 2190: static char startdir[PATH_MAX];
2191: static int fd;
1.4 kristaps 2192:
1.59 schwarze 2193: /*
2194: * Remember where we started by keeping a fd open to the origin
2195: * path component: throughout this utility, we chdir() a lot to
2196: * handle relative paths, and by doing this, we can return to
2197: * the starting point.
2198: */
2199: if ('\0' == *startdir) {
2200: if (NULL == getcwd(startdir, PATH_MAX)) {
2201: exitcode = (int)MANDOCLEVEL_SYSERR;
2202: if (NULL != targetdir)
1.123 schwarze 2203: say("", "&getcwd");
1.59 schwarze 2204: return(0);
2205: }
2206: if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
2207: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2208: say("", "&open %s", startdir);
1.59 schwarze 2209: return(0);
2210: }
2211: if (NULL == targetdir)
2212: targetdir = startdir;
2213: } else {
2214: if (-1 == fd)
2215: return(0);
2216: if (-1 == fchdir(fd)) {
2217: close(fd);
2218: basedir[0] = '\0';
2219: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2220: say("", "&chdir %s", startdir);
1.59 schwarze 2221: return(0);
2222: }
2223: if (NULL == targetdir) {
2224: close(fd);
2225: return(1);
2226: }
2227: }
2228: if (NULL == realpath(targetdir, basedir)) {
2229: basedir[0] = '\0';
2230: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 2231: say("", "&%s: realpath", targetdir);
1.50 kristaps 2232: return(0);
1.59 schwarze 2233: } else if (-1 == chdir(basedir)) {
2234: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 2235: say("", "&chdir");
1.50 kristaps 2236: return(0);
1.4 kristaps 2237: }
1.50 kristaps 2238: return(1);
1.56 schwarze 2239: }
2240:
2241: static void
1.59 schwarze 2242: say(const char *file, const char *format, ...)
1.56 schwarze 2243: {
2244: va_list ap;
1.123 schwarze 2245: int use_errno;
1.56 schwarze 2246:
1.59 schwarze 2247: if ('\0' != *basedir)
2248: fprintf(stderr, "%s", basedir);
2249: if ('\0' != *basedir && '\0' != *file)
2250: fputs("//", stderr);
1.56 schwarze 2251: if ('\0' != *file)
1.59 schwarze 2252: fprintf(stderr, "%s", file);
2253:
1.123 schwarze 2254: use_errno = 1;
2255: if (NULL != format) {
2256: switch (*format) {
2257: case ('&'):
2258: format++;
2259: break;
2260: case ('\0'):
2261: format = NULL;
2262: break;
2263: default:
2264: use_errno = 0;
2265: break;
2266: }
2267: }
2268: if (NULL != format) {
2269: if ('\0' != *basedir || '\0' != *file)
2270: fputs(": ", stderr);
2271: va_start(ap, format);
2272: vfprintf(stderr, format, ap);
2273: va_end(ap);
2274: }
2275: if (use_errno) {
2276: if ('\0' != *basedir || '\0' != *file || NULL != format)
2277: fputs(": ", stderr);
1.59 schwarze 2278: perror(NULL);
1.123 schwarze 2279: } else
2280: fputc('\n', stderr);
1.1 kristaps 2281: }
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