Annotation of mandoc/mandocdb.c, Revision 1.124
1.124 ! schwarze 1: /* $Id: mandocdb.c,v 1.123 2014/03/26 20:53:36 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 */
182: static int verb; /* print what we're doing */
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:
1.102 schwarze 360: while (-1 != (ch = getopt(argc, argv, "aC:d:nQT:tu: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;
1.102 schwarze 378: case ('Q'):
1.116 schwarze 379: mparse_options |= MPARSE_QUICK;
1.102 schwarze 380: break;
1.95 schwarze 381: case ('T'):
382: if (strcmp(optarg, "utf8")) {
383: fprintf(stderr, "-T%s: Unsupported "
384: "output format\n", optarg);
385: goto usage;
386: }
387: write_utf8 = 1;
388: break;
1.38 schwarze 389: case ('t'):
1.50 kristaps 390: CHECKOP(op, ch);
1.38 schwarze 391: dup2(STDOUT_FILENO, STDERR_FILENO);
392: op = OP_TEST;
1.50 kristaps 393: nodb = warnings = 1;
1.38 schwarze 394: break;
1.5 kristaps 395: case ('u'):
1.50 kristaps 396: CHECKOP(op, ch);
1.59 schwarze 397: path_arg = optarg;
1.5 kristaps 398: op = OP_DELETE;
399: break;
400: case ('v'):
401: verb++;
402: break;
1.38 schwarze 403: case ('W'):
404: warnings = 1;
405: break;
1.1 kristaps 406: default:
1.38 schwarze 407: goto usage;
1.1 kristaps 408: }
409:
410: argc -= optind;
411: argv += optind;
412:
1.38 schwarze 413: if (OP_CONFFILE == op && argc > 0) {
1.50 kristaps 414: fprintf(stderr, "-C: Too many arguments\n");
1.38 schwarze 415: goto usage;
416: }
417:
1.59 schwarze 418: exitcode = (int)MANDOCLEVEL_OK;
1.116 schwarze 419: mp = mparse_alloc(mparse_options, MANDOCLEVEL_FATAL, NULL, NULL);
1.50 kristaps 420: mc = mchars_alloc();
421:
1.78 schwarze 422: ohash_init(&mpages, 6, &mpages_info);
1.83 schwarze 423: ohash_init(&mlinks, 6, &mlinks_info);
1.50 kristaps 424:
425: if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
426: /*
427: * Force processing all files.
428: */
429: use_all = 1;
1.59 schwarze 430:
1.50 kristaps 431: /*
432: * All of these deal with a specific directory.
433: * Jump into that directory then collect files specified
434: * on the command-line.
435: */
1.59 schwarze 436: if (0 == set_basedir(path_arg))
1.50 kristaps 437: goto out;
438: for (i = 0; i < argc; i++)
1.59 schwarze 439: filescan(argv[i]);
440: if (0 == dbopen(1))
1.50 kristaps 441: goto out;
442: if (OP_TEST != op)
1.59 schwarze 443: dbprune();
1.50 kristaps 444: if (OP_DELETE != op)
1.101 schwarze 445: mpages_merge(mc, mp);
1.59 schwarze 446: dbclose(1);
1.50 kristaps 447: } else {
448: /*
449: * If we have arguments, use them as our manpaths.
450: * If we don't, grok from manpath(1) or however else
451: * manpath_parse() wants to do it.
452: */
453: if (argc > 0) {
454: dirs.paths = mandoc_calloc
455: (argc, sizeof(char *));
456: dirs.sz = (size_t)argc;
457: for (i = 0; i < argc; i++)
458: dirs.paths[i] = mandoc_strdup(argv[i]);
459: } else
1.59 schwarze 460: manpath_parse(&dirs, path_arg, NULL, NULL);
1.50 kristaps 461:
462: /*
1.69 schwarze 463: * First scan the tree rooted at a base directory, then
464: * build a new database and finally move it into place.
1.50 kristaps 465: * Ignore zero-length directories and strip trailing
466: * slashes.
467: */
468: for (j = 0; j < dirs.sz; j++) {
469: sz = strlen(dirs.paths[j]);
470: if (sz && '/' == dirs.paths[j][sz - 1])
471: dirs.paths[j][--sz] = '\0';
472: if (0 == sz)
473: continue;
1.66 schwarze 474:
475: if (j) {
1.78 schwarze 476: ohash_init(&mpages, 6, &mpages_info);
1.83 schwarze 477: ohash_init(&mlinks, 6, &mlinks_info);
1.66 schwarze 478: }
479:
1.59 schwarze 480: if (0 == set_basedir(dirs.paths[j]))
1.50 kristaps 481: goto out;
1.59 schwarze 482: if (0 == treescan())
1.50 kristaps 483: goto out;
1.59 schwarze 484: if (0 == set_basedir(dirs.paths[j]))
1.50 kristaps 485: goto out;
1.59 schwarze 486: if (0 == dbopen(0))
1.50 kristaps 487: goto out;
1.52 kristaps 488:
1.101 schwarze 489: mpages_merge(mc, mp);
1.59 schwarze 490: dbclose(0);
1.66 schwarze 491:
492: if (j + 1 < dirs.sz) {
1.80 schwarze 493: mpages_free();
1.78 schwarze 494: ohash_delete(&mpages);
1.83 schwarze 495: ohash_delete(&mlinks);
1.66 schwarze 496: }
1.50 kristaps 497: }
498: }
499: out:
1.59 schwarze 500: set_basedir(NULL);
1.50 kristaps 501: manpath_free(&dirs);
502: mchars_free(mc);
503: mparse_free(mp);
1.80 schwarze 504: mpages_free();
1.78 schwarze 505: ohash_delete(&mpages);
1.83 schwarze 506: ohash_delete(&mlinks);
1.59 schwarze 507: return(exitcode);
1.50 kristaps 508: usage:
1.102 schwarze 509: fprintf(stderr, "usage: %s [-anQvW] [-C file] [-Tutf8]\n"
510: " %s [-anQvW] [-Tutf8] dir ...\n"
511: " %s [-nQvW] [-Tutf8] -d dir [file ...]\n"
1.50 kristaps 512: " %s [-nvW] -u dir [file ...]\n"
1.102 schwarze 513: " %s [-Q] -t file ...\n",
1.50 kristaps 514: progname, progname, progname,
515: progname, progname);
516:
1.59 schwarze 517: return((int)MANDOCLEVEL_BADARG);
1.50 kristaps 518: }
519:
520: /*
1.59 schwarze 521: * Scan a directory tree rooted at "basedir" for manpages.
1.50 kristaps 522: * We use fts(), scanning directory parts along the way for clues to our
523: * section and architecture.
524: *
525: * If use_all has been specified, grok all files.
526: * If not, sanitise paths to the following:
527: *
528: * [./]man*[/<arch>]/<name>.<section>
529: * or
530: * [./]cat<section>[/<arch>]/<name>.0
531: *
532: * TODO: accomodate for multi-language directories.
533: */
534: static int
1.59 schwarze 535: treescan(void)
1.50 kristaps 536: {
537: FTS *f;
538: FTSENT *ff;
1.84 schwarze 539: struct mlink *mlink;
1.124 ! schwarze 540: int dform, gzip;
1.94 schwarze 541: char *dsec, *arch, *fsec, *cp;
542: const char *path;
1.50 kristaps 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;
1.123 schwarze 555: say("", "&fts_open");
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: /*
1.83 schwarze 565: * If we're a regular file, add an mlink by using the
1.50 kristaps 566: * stored directory data and handling the filename.
567: */
568: if (FTS_F == ff->fts_info) {
1.60 schwarze 569: if (0 == strcmp(path, MANDOC_DB))
570: continue;
1.50 kristaps 571: if ( ! use_all && ff->fts_level < 2) {
1.56 schwarze 572: if (warnings)
1.59 schwarze 573: say(path, "Extraneous file");
1.50 kristaps 574: continue;
1.124 ! schwarze 575: }
! 576: gzip = 0;
! 577: fsec = NULL;
! 578: while (NULL == fsec) {
! 579: fsec = strrchr(ff->fts_name, '.');
! 580: if (NULL == fsec || strcmp(fsec+1, "gz"))
! 581: break;
! 582: gzip = 1;
! 583: *fsec = '\0';
! 584: fsec = NULL;
! 585: }
! 586: if (NULL == fsec) {
1.60 schwarze 587: if ( ! use_all) {
1.56 schwarze 588: if (warnings)
1.60 schwarze 589: say(path,
590: "No filename suffix");
1.50 kristaps 591: continue;
592: }
1.84 schwarze 593: } else if (0 == strcmp(++fsec, "html")) {
1.60 schwarze 594: if (warnings)
595: say(path, "Skip html");
596: continue;
1.84 schwarze 597: } else if (0 == strcmp(fsec, "ps")) {
1.60 schwarze 598: if (warnings)
599: say(path, "Skip ps");
600: continue;
1.84 schwarze 601: } else if (0 == strcmp(fsec, "pdf")) {
1.60 schwarze 602: if (warnings)
603: say(path, "Skip pdf");
604: continue;
605: } else if ( ! use_all &&
1.84 schwarze 606: ((FORM_SRC == dform && strcmp(fsec, dsec)) ||
607: (FORM_CAT == dform && strcmp(fsec, "0")))) {
1.60 schwarze 608: if (warnings)
609: say(path, "Wrong filename suffix");
610: continue;
1.66 schwarze 611: } else
1.84 schwarze 612: fsec[-1] = '\0';
1.94 schwarze 613:
1.84 schwarze 614: mlink = mandoc_calloc(1, sizeof(struct mlink));
615: strlcpy(mlink->file, path, sizeof(mlink->file));
616: mlink->dform = dform;
1.94 schwarze 617: mlink->dsec = dsec;
618: mlink->arch = arch;
619: mlink->name = ff->fts_name;
620: mlink->fsec = fsec;
1.124 ! schwarze 621: mlink->gzip = gzip;
1.84 schwarze 622: mlink_add(mlink, ff->fts_statp);
1.50 kristaps 623: continue;
1.84 schwarze 624: } else if (FTS_D != ff->fts_info &&
1.60 schwarze 625: FTS_DP != ff->fts_info) {
626: if (warnings)
627: say(path, "Not a regular file");
1.50 kristaps 628: continue;
1.60 schwarze 629: }
1.1 kristaps 630:
1.50 kristaps 631: switch (ff->fts_level) {
632: case (0):
633: /* Ignore the root directory. */
634: break;
635: case (1):
636: /*
637: * This might contain manX/ or catX/.
638: * Try to infer this from the name.
639: * If we're not in use_all, enforce it.
640: */
641: cp = ff->fts_name;
642: if (FTS_DP == ff->fts_info)
643: break;
1.1 kristaps 644:
1.50 kristaps 645: if (0 == strncmp(cp, "man", 3)) {
646: dform = FORM_SRC;
1.66 schwarze 647: dsec = cp + 3;
1.50 kristaps 648: } else if (0 == strncmp(cp, "cat", 3)) {
649: dform = FORM_CAT;
1.66 schwarze 650: dsec = cp + 3;
1.94 schwarze 651: } else {
652: dform = FORM_NONE;
653: dsec = NULL;
1.50 kristaps 654: }
1.1 kristaps 655:
1.50 kristaps 656: if (NULL != dsec || use_all)
657: break;
1.1 kristaps 658:
1.56 schwarze 659: if (warnings)
1.59 schwarze 660: say(path, "Unknown directory part");
1.50 kristaps 661: fts_set(f, ff, FTS_SKIP);
662: break;
663: case (2):
664: /*
665: * Possibly our architecture.
666: * If we're descending, keep tabs on it.
667: */
668: if (FTS_DP != ff->fts_info && NULL != dsec)
1.66 schwarze 669: arch = ff->fts_name;
1.94 schwarze 670: else
671: arch = NULL;
1.50 kristaps 672: break;
673: default:
674: if (FTS_DP == ff->fts_info || use_all)
675: break;
1.56 schwarze 676: if (warnings)
1.59 schwarze 677: say(path, "Extraneous directory part");
1.50 kristaps 678: fts_set(f, ff, FTS_SKIP);
679: break;
1.5 kristaps 680: }
1.50 kristaps 681: }
682:
683: fts_close(f);
684: return(1);
685: }
1.5 kristaps 686:
1.50 kristaps 687: /*
1.89 schwarze 688: * Add a file to the mlinks table.
1.50 kristaps 689: * Do not verify that it's a "valid" looking manpage (we'll do that
690: * later).
691: *
692: * Try to infer the manual section, architecture, and page name from the
693: * path, assuming it looks like
694: *
695: * [./]man*[/<arch>]/<name>.<section>
696: * or
697: * [./]cat<section>[/<arch>]/<name>.0
698: *
699: * See treescan() for the fts(3) version of this.
700: */
701: static void
1.59 schwarze 702: filescan(const char *file)
1.50 kristaps 703: {
1.59 schwarze 704: char buf[PATH_MAX];
1.84 schwarze 705: struct stat st;
706: struct mlink *mlink;
1.59 schwarze 707: char *p, *start;
1.5 kristaps 708:
1.50 kristaps 709: assert(use_all);
1.5 kristaps 710:
1.50 kristaps 711: if (0 == strncmp(file, "./", 2))
712: file += 2;
1.5 kristaps 713:
1.59 schwarze 714: if (NULL == realpath(file, buf)) {
715: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 716: say(file, "&realpath");
1.59 schwarze 717: return;
1.106 schwarze 718: }
719:
720: if (strstr(buf, basedir) == buf)
721: start = buf + strlen(basedir) + 1;
722: else if (OP_TEST == op)
723: start = buf;
724: else {
1.59 schwarze 725: exitcode = (int)MANDOCLEVEL_BADARG;
726: say("", "%s: outside base directory", buf);
727: return;
1.106 schwarze 728: }
729:
730: if (-1 == stat(buf, &st)) {
1.59 schwarze 731: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 732: say(file, "&stat");
1.50 kristaps 733: return;
734: } else if ( ! (S_IFREG & st.st_mode)) {
1.59 schwarze 735: exitcode = (int)MANDOCLEVEL_BADARG;
736: say(file, "Not a regular file");
1.50 kristaps 737: return;
738: }
1.106 schwarze 739:
1.84 schwarze 740: mlink = mandoc_calloc(1, sizeof(struct mlink));
741: strlcpy(mlink->file, start, sizeof(mlink->file));
1.17 schwarze 742:
1.50 kristaps 743: /*
744: * First try to guess our directory structure.
745: * If we find a separator, try to look for man* or cat*.
746: * If we find one of these and what's underneath is a directory,
747: * assume it's an architecture.
748: */
749: if (NULL != (p = strchr(start, '/'))) {
750: *p++ = '\0';
751: if (0 == strncmp(start, "man", 3)) {
1.84 schwarze 752: mlink->dform = FORM_SRC;
1.94 schwarze 753: mlink->dsec = start + 3;
1.50 kristaps 754: } else if (0 == strncmp(start, "cat", 3)) {
1.84 schwarze 755: mlink->dform = FORM_CAT;
1.94 schwarze 756: mlink->dsec = start + 3;
1.17 schwarze 757: }
1.5 kristaps 758:
1.50 kristaps 759: start = p;
1.84 schwarze 760: if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
1.50 kristaps 761: *p++ = '\0';
1.94 schwarze 762: mlink->arch = start;
1.50 kristaps 763: start = p;
1.84 schwarze 764: }
1.50 kristaps 765: }
766:
767: /*
768: * Now check the file suffix.
769: * Suffix of `.0' indicates a catpage, `.1-9' is a manpage.
770: */
771: p = strrchr(start, '\0');
772: while (p-- > start && '/' != *p && '.' != *p)
773: /* Loop. */ ;
774:
775: if ('.' == *p) {
776: *p++ = '\0';
1.94 schwarze 777: mlink->fsec = p;
1.5 kristaps 778: }
779:
1.10 kristaps 780: /*
1.50 kristaps 781: * Now try to parse the name.
782: * Use the filename portion of the path.
1.10 kristaps 783: */
1.84 schwarze 784: mlink->name = start;
1.50 kristaps 785: if (NULL != (p = strrchr(start, '/'))) {
1.84 schwarze 786: mlink->name = p + 1;
1.50 kristaps 787: *p = '\0';
1.84 schwarze 788: }
789: mlink_add(mlink, &st);
1.50 kristaps 790: }
1.5 kristaps 791:
1.50 kristaps 792: static void
1.84 schwarze 793: mlink_add(struct mlink *mlink, const struct stat *st)
1.50 kristaps 794: {
1.83 schwarze 795: struct inodev inodev;
1.78 schwarze 796: struct mpage *mpage;
1.83 schwarze 797: unsigned int slot;
1.50 kristaps 798:
1.84 schwarze 799: assert(NULL != mlink->file);
1.50 kristaps 800:
1.94 schwarze 801: mlink->dsec = mandoc_strdup(mlink->dsec ? mlink->dsec : "");
802: mlink->arch = mandoc_strdup(mlink->arch ? mlink->arch : "");
803: mlink->name = mandoc_strdup(mlink->name ? mlink->name : "");
804: mlink->fsec = mandoc_strdup(mlink->fsec ? mlink->fsec : "");
1.84 schwarze 805:
806: if ('0' == *mlink->fsec) {
807: free(mlink->fsec);
808: mlink->fsec = mandoc_strdup(mlink->dsec);
809: mlink->fform = FORM_CAT;
810: } else if ('1' <= *mlink->fsec && '9' >= *mlink->fsec)
811: mlink->fform = FORM_SRC;
1.74 schwarze 812: else
1.84 schwarze 813: mlink->fform = FORM_NONE;
1.82 schwarze 814:
1.83 schwarze 815: slot = ohash_qlookup(&mlinks, mlink->file);
816: assert(NULL == ohash_find(&mlinks, slot));
817: ohash_insert(&mlinks, slot, mlink);
818:
819: inodev.st_ino = st->st_ino;
820: inodev.st_dev = st->st_dev;
821: slot = ohash_lookup_memory(&mpages, (char *)&inodev,
822: sizeof(struct inodev), inodev.st_ino);
823: mpage = ohash_find(&mpages, slot);
824: if (NULL == mpage) {
825: mpage = mandoc_calloc(1, sizeof(struct mpage));
826: mpage->inodev.st_ino = inodev.st_ino;
827: mpage->inodev.st_dev = inodev.st_dev;
828: ohash_insert(&mpages, slot, mpage);
829: } else
1.85 schwarze 830: mlink->next = mpage->mlinks;
1.82 schwarze 831: mpage->mlinks = mlink;
1.118 schwarze 832: mlink->mpage = mpage;
1.82 schwarze 833: }
834:
835: static void
836: mlink_free(struct mlink *mlink)
837: {
838:
839: free(mlink->dsec);
840: free(mlink->arch);
841: free(mlink->name);
842: free(mlink->fsec);
843: free(mlink);
1.50 kristaps 844: }
1.3 kristaps 845:
1.50 kristaps 846: static void
1.78 schwarze 847: mpages_free(void)
1.50 kristaps 848: {
1.78 schwarze 849: struct mpage *mpage;
1.82 schwarze 850: struct mlink *mlink;
1.80 schwarze 851: unsigned int slot;
1.3 kristaps 852:
1.80 schwarze 853: mpage = ohash_first(&mpages, &slot);
854: while (NULL != mpage) {
1.82 schwarze 855: while (NULL != (mlink = mpage->mlinks)) {
1.85 schwarze 856: mpage->mlinks = mlink->next;
1.82 schwarze 857: mlink_free(mlink);
858: }
1.78 schwarze 859: free(mpage->sec);
860: free(mpage->arch);
1.82 schwarze 861: free(mpage->title);
862: free(mpage->desc);
1.78 schwarze 863: free(mpage);
1.80 schwarze 864: mpage = ohash_next(&mpages, &slot);
1.50 kristaps 865: }
866: }
1.38 schwarze 867:
1.50 kristaps 868: /*
1.89 schwarze 869: * For each mlink to the mpage, check whether the path looks like
870: * it is formatted, and if it does, check whether a source manual
871: * exists by the same name, ignoring the suffix.
872: * If both conditions hold, drop the mlink.
873: */
874: static void
875: mlinks_undupe(struct mpage *mpage)
876: {
877: char buf[PATH_MAX];
878: struct mlink **prev;
879: struct mlink *mlink;
880: char *bufp;
881:
882: mpage->form = FORM_CAT;
1.90 schwarze 883: prev = &mpage->mlinks;
884: while (NULL != (mlink = *prev)) {
1.89 schwarze 885: if (FORM_CAT != mlink->dform) {
886: mpage->form = FORM_NONE;
1.90 schwarze 887: goto nextlink;
1.89 schwarze 888: }
889: if (strlcpy(buf, mlink->file, PATH_MAX) >= PATH_MAX) {
890: if (warnings)
891: say(mlink->file, "Filename too long");
1.90 schwarze 892: goto nextlink;
1.89 schwarze 893: }
894: bufp = strstr(buf, "cat");
895: assert(NULL != bufp);
896: memcpy(bufp, "man", 3);
897: if (NULL != (bufp = strrchr(buf, '.')))
898: *++bufp = '\0';
899: strlcat(buf, mlink->dsec, PATH_MAX);
900: if (NULL == ohash_find(&mlinks,
901: ohash_qlookup(&mlinks, buf)))
1.90 schwarze 902: goto nextlink;
1.89 schwarze 903: if (warnings)
904: say(mlink->file, "Man source exists: %s", buf);
905: if (use_all)
1.90 schwarze 906: goto nextlink;
1.89 schwarze 907: *prev = mlink->next;
908: mlink_free(mlink);
1.90 schwarze 909: continue;
910: nextlink:
911: prev = &(*prev)->next;
1.89 schwarze 912: }
913: }
914:
1.93 schwarze 915: static int
916: mlink_check(struct mpage *mpage, struct mlink *mlink)
917: {
918: int match;
919:
920: match = 1;
921:
922: /*
923: * Check whether the manual section given in a file
924: * agrees with the directory where the file is located.
925: * Some manuals have suffixes like (3p) on their
926: * section number either inside the file or in the
927: * directory name, some are linked into more than one
928: * section, like encrypt(1) = makekey(8).
929: */
930:
931: if (FORM_SRC == mpage->form &&
932: strcasecmp(mpage->sec, mlink->dsec)) {
933: match = 0;
934: say(mlink->file, "Section \"%s\" manual in %s directory",
935: mpage->sec, mlink->dsec);
936: }
937:
938: /*
939: * Manual page directories exist for each kernel
940: * architecture as returned by machine(1).
941: * However, many manuals only depend on the
942: * application architecture as returned by arch(1).
943: * For example, some (2/ARM) manuals are shared
944: * across the "armish" and "zaurus" kernel
945: * architectures.
946: * A few manuals are even shared across completely
947: * different architectures, for example fdformat(1)
948: * on amd64, i386, sparc, and sparc64.
949: */
950:
951: if (strcasecmp(mpage->arch, mlink->arch)) {
952: match = 0;
953: say(mlink->file, "Architecture \"%s\" manual in "
954: "\"%s\" directory", mpage->arch, mlink->arch);
955: }
956:
957: if (strcasecmp(mpage->title, mlink->name))
958: match = 0;
959:
960: return(match);
961: }
962:
1.89 schwarze 963: /*
1.80 schwarze 964: * Run through the files in the global vector "mpages"
965: * and add them to the database specified in "basedir".
1.50 kristaps 966: *
967: * This handles the parsing scheme itself, using the cues of directory
968: * and filename to determine whether the file is parsable or not.
969: */
1.59 schwarze 970: static void
1.101 schwarze 971: mpages_merge(struct mchars *mc, struct mparse *mp)
1.50 kristaps 972: {
1.113 schwarze 973: char any[] = "any";
1.101 schwarze 974: struct ohash_info str_info;
1.124 ! schwarze 975: int fd[2];
1.118 schwarze 976: struct mpage *mpage, *mpage_dest;
977: struct mlink *mlink, *mlink_dest;
1.69 schwarze 978: struct mdoc *mdoc;
979: struct man *man;
1.118 schwarze 980: char *sodest;
1.112 schwarze 981: char *cp;
1.124 ! schwarze 982: pid_t child_pid;
! 983: int match, status;
1.101 schwarze 984: unsigned int pslot;
1.69 schwarze 985: enum mandoclevel lvl;
986:
1.71 schwarze 987: str_info.alloc = hash_alloc;
988: str_info.halloc = hash_halloc;
989: str_info.hfree = hash_free;
990: str_info.key_offset = offsetof(struct str, key);
991:
1.107 schwarze 992: if (0 == nodb)
993: SQL_EXEC("BEGIN TRANSACTION");
994:
1.80 schwarze 995: mpage = ohash_first(&mpages, &pslot);
996: while (NULL != mpage) {
1.89 schwarze 997: mlinks_undupe(mpage);
998: if (NULL == mpage->mlinks) {
999: mpage = ohash_next(&mpages, &pslot);
1000: continue;
1.50 kristaps 1001: }
1002:
1.71 schwarze 1003: ohash_init(&strings, 6, &str_info);
1.50 kristaps 1004: mparse_reset(mp);
1005: mdoc = NULL;
1006: man = NULL;
1.124 ! schwarze 1007: sodest = NULL;
! 1008: child_pid = 0;
! 1009: fd[0] = -1;
! 1010: fd[1] = -1;
! 1011:
! 1012: if (mpage->mlinks->gzip) {
! 1013: if (-1 == pipe(fd)) {
! 1014: exitcode = (int)MANDOCLEVEL_SYSERR;
! 1015: say(mpage->mlinks->file, "&pipe gunzip");
! 1016: goto nextpage;
! 1017: }
! 1018: switch (child_pid = fork()) {
! 1019: case (-1):
! 1020: exitcode = (int)MANDOCLEVEL_SYSERR;
! 1021: say(mpage->mlinks->file, "&fork gunzip");
! 1022: child_pid = 0;
! 1023: close(fd[1]);
! 1024: close(fd[0]);
! 1025: goto nextpage;
! 1026: case (0):
! 1027: close(fd[0]);
! 1028: if (-1 == dup2(fd[1], STDOUT_FILENO)) {
! 1029: say(mpage->mlinks->file,
! 1030: "&dup gunzip");
! 1031: exit(1);
! 1032: }
! 1033: execlp("gunzip", "gunzip", "-c",
! 1034: mpage->mlinks->file, NULL);
! 1035: say(mpage->mlinks->file, "&exec gunzip");
! 1036: exit(1);
! 1037: default:
! 1038: close(fd[1]);
! 1039: break;
! 1040: }
! 1041: }
1.14 schwarze 1042:
1043: /*
1.33 schwarze 1044: * Try interpreting the file as mdoc(7) or man(7)
1045: * source code, unless it is already known to be
1046: * formatted. Fall back to formatted mode.
1.14 schwarze 1047: */
1.82 schwarze 1048: if (FORM_CAT != mpage->mlinks->dform ||
1.84 schwarze 1049: FORM_CAT != mpage->mlinks->fform) {
1.124 ! schwarze 1050: lvl = mparse_readfd(mp, fd[0], mpage->mlinks->file);
1.50 kristaps 1051: if (lvl < MANDOCLEVEL_FATAL)
1.118 schwarze 1052: mparse_result(mp, &mdoc, &man, &sodest);
1.76 schwarze 1053: }
1.14 schwarze 1054:
1.118 schwarze 1055: if (NULL != sodest) {
1056: mlink_dest = ohash_find(&mlinks,
1057: ohash_qlookup(&mlinks, sodest));
1058: if (NULL != mlink_dest) {
1059:
1060: /* The .so target exists. */
1061:
1062: mpage_dest = mlink_dest->mpage;
1063: mlink = mpage->mlinks;
1064: while (1) {
1065: mlink->mpage = mpage_dest;
1066:
1067: /*
1068: * If the target was already
1069: * processed, add the links
1070: * to the database now.
1071: * Otherwise, this will
1072: * happen when we come
1073: * to the target.
1074: */
1075:
1076: if (mpage_dest->recno)
1077: dbadd_mlink(mlink);
1078:
1079: if (NULL == mlink->next)
1080: break;
1081: mlink = mlink->next;
1082: }
1083:
1084: /* Move all links to the target. */
1085:
1086: mlink->next = mlink_dest->next;
1087: mlink_dest->next = mpage->mlinks;
1088: mpage->mlinks = NULL;
1089: }
1.124 ! schwarze 1090: goto nextpage;
1.118 schwarze 1091: } else if (NULL != mdoc) {
1.82 schwarze 1092: mpage->form = FORM_SRC;
1093: mpage->sec =
1094: mandoc_strdup(mdoc_meta(mdoc)->msec);
1095: mpage->arch = mdoc_meta(mdoc)->arch;
1.84 schwarze 1096: mpage->arch = mandoc_strdup(
1097: NULL == mpage->arch ? "" : mpage->arch);
1.82 schwarze 1098: mpage->title =
1099: mandoc_strdup(mdoc_meta(mdoc)->title);
1.14 schwarze 1100: } else if (NULL != man) {
1.82 schwarze 1101: mpage->form = FORM_SRC;
1102: mpage->sec =
1103: mandoc_strdup(man_meta(man)->msec);
1104: mpage->arch =
1105: mandoc_strdup(mpage->mlinks->arch);
1106: mpage->title =
1107: mandoc_strdup(man_meta(man)->title);
1.76 schwarze 1108: } else {
1.82 schwarze 1109: mpage->form = FORM_CAT;
1110: mpage->sec =
1111: mandoc_strdup(mpage->mlinks->dsec);
1112: mpage->arch =
1113: mandoc_strdup(mpage->mlinks->arch);
1114: mpage->title =
1115: mandoc_strdup(mpage->mlinks->name);
1.76 schwarze 1116: }
1.97 schwarze 1117: putkey(mpage, mpage->sec, TYPE_sec);
1.98 schwarze 1118: putkey(mpage, '\0' == *mpage->arch ?
1.113 schwarze 1119: any : mpage->arch, TYPE_arch);
1.50 kristaps 1120:
1.97 schwarze 1121: for (mlink = mpage->mlinks; mlink; mlink = mlink->next) {
1122: if ('\0' != *mlink->dsec)
1123: putkey(mpage, mlink->dsec, TYPE_sec);
1124: if ('\0' != *mlink->fsec)
1125: putkey(mpage, mlink->fsec, TYPE_sec);
1.98 schwarze 1126: putkey(mpage, '\0' == *mlink->arch ?
1.113 schwarze 1127: any : mlink->arch, TYPE_arch);
1.93 schwarze 1128: putkey(mpage, mlink->name, TYPE_Nm);
1.97 schwarze 1129: }
1.12 schwarze 1130:
1.93 schwarze 1131: if (warnings && !use_all) {
1.69 schwarze 1132: match = 0;
1.93 schwarze 1133: for (mlink = mpage->mlinks; mlink;
1134: mlink = mlink->next)
1135: if (mlink_check(mpage, mlink))
1136: match = 1;
1137: } else
1138: match = 1;
1.12 schwarze 1139:
1.50 kristaps 1140: if (NULL != mdoc) {
1141: if (NULL != (cp = mdoc_meta(mdoc)->name))
1.78 schwarze 1142: putkey(mpage, cp, TYPE_Nm);
1143: assert(NULL == mpage->desc);
1144: parse_mdoc(mpage, mdoc_node(mdoc));
1145: putkey(mpage, NULL != mpage->desc ?
1.82 schwarze 1146: mpage->desc : mpage->mlinks->name, TYPE_Nd);
1.50 kristaps 1147: } else if (NULL != man)
1.78 schwarze 1148: parse_man(mpage, man_node(man));
1.50 kristaps 1149: else
1.124 ! schwarze 1150: parse_cat(mpage, fd[0]);
1.44 kristaps 1151:
1.105 schwarze 1152: dbadd(mpage, mc);
1.124 ! schwarze 1153:
! 1154: nextpage:
! 1155: if (child_pid) {
! 1156: if (-1 == waitpid(child_pid, &status, 0)) {
! 1157: exitcode = (int)MANDOCLEVEL_SYSERR;
! 1158: say(mpage->mlinks->file, "&wait gunzip");
! 1159: } else if (WIFSIGNALED(status)) {
! 1160: exitcode = (int)MANDOCLEVEL_SYSERR;
! 1161: say(mpage->mlinks->file,
! 1162: "gunzip died from signal %d",
! 1163: WTERMSIG(status));
! 1164: } else if (WEXITSTATUS(status)) {
! 1165: exitcode = (int)MANDOCLEVEL_SYSERR;
! 1166: say(mpage->mlinks->file,
! 1167: "gunzip failed with code %d",
! 1168: WEXITSTATUS(status));
! 1169: }
! 1170: }
1.66 schwarze 1171: ohash_delete(&strings);
1.80 schwarze 1172: mpage = ohash_next(&mpages, &pslot);
1.50 kristaps 1173: }
1.107 schwarze 1174:
1175: if (0 == nodb)
1176: SQL_EXEC("END TRANSACTION");
1.50 kristaps 1177: }
1.12 schwarze 1178:
1.50 kristaps 1179: static void
1.124 ! schwarze 1180: parse_cat(struct mpage *mpage, int fd)
1.50 kristaps 1181: {
1182: FILE *stream;
1183: char *line, *p, *title;
1184: size_t len, plen, titlesz;
1.12 schwarze 1185:
1.124 ! schwarze 1186: stream = (-1 == fd) ?
! 1187: fopen(mpage->mlinks->file, "r") :
! 1188: fdopen(fd, "r");
! 1189: if (NULL == stream) {
1.56 schwarze 1190: if (warnings)
1.123 schwarze 1191: say(mpage->mlinks->file, "&fopen");
1.50 kristaps 1192: return;
1193: }
1.1 kristaps 1194:
1.50 kristaps 1195: /* Skip to first blank line. */
1.1 kristaps 1196:
1.50 kristaps 1197: while (NULL != (line = fgetln(stream, &len)))
1198: if ('\n' == *line)
1199: break;
1.1 kristaps 1200:
1.50 kristaps 1201: /*
1202: * Assume the first line that is not indented
1203: * is the first section header. Skip to it.
1204: */
1.1 kristaps 1205:
1.50 kristaps 1206: while (NULL != (line = fgetln(stream, &len)))
1207: if ('\n' != *line && ' ' != *line)
1208: break;
1209:
1210: /*
1211: * Read up until the next section into a buffer.
1212: * Strip the leading and trailing newline from each read line,
1213: * appending a trailing space.
1214: * Ignore empty (whitespace-only) lines.
1215: */
1.1 kristaps 1216:
1.50 kristaps 1217: titlesz = 0;
1218: title = NULL;
1.38 schwarze 1219:
1.50 kristaps 1220: while (NULL != (line = fgetln(stream, &len))) {
1221: if (' ' != *line || '\n' != line[len - 1])
1222: break;
1223: while (len > 0 && isspace((unsigned char)*line)) {
1224: line++;
1225: len--;
1226: }
1227: if (1 == len)
1.38 schwarze 1228: continue;
1.50 kristaps 1229: title = mandoc_realloc(title, titlesz + len);
1230: memcpy(title + titlesz, line, len);
1231: titlesz += len;
1232: title[titlesz - 1] = ' ';
1233: }
1.38 schwarze 1234:
1.50 kristaps 1235: /*
1236: * If no page content can be found, or the input line
1237: * is already the next section header, or there is no
1238: * trailing newline, reuse the page title as the page
1239: * description.
1240: */
1.44 kristaps 1241:
1.50 kristaps 1242: if (NULL == title || '\0' == *title) {
1.56 schwarze 1243: if (warnings)
1.82 schwarze 1244: say(mpage->mlinks->file,
1245: "Cannot find NAME section");
1.78 schwarze 1246: assert(NULL == mpage->desc);
1.82 schwarze 1247: mpage->desc = mandoc_strdup(mpage->mlinks->name);
1248: putkey(mpage, mpage->mlinks->name, TYPE_Nd);
1.50 kristaps 1249: fclose(stream);
1250: free(title);
1251: return;
1252: }
1.1 kristaps 1253:
1.50 kristaps 1254: title = mandoc_realloc(title, titlesz + 1);
1255: title[titlesz] = '\0';
1.33 schwarze 1256:
1.50 kristaps 1257: /*
1258: * Skip to the first dash.
1259: * Use the remaining line as the description (no more than 70
1260: * bytes).
1261: */
1.33 schwarze 1262:
1.50 kristaps 1263: if (NULL != (p = strstr(title, "- "))) {
1264: for (p += 2; ' ' == *p || '\b' == *p; p++)
1265: /* Skip to next word. */ ;
1266: } else {
1.56 schwarze 1267: if (warnings)
1.82 schwarze 1268: say(mpage->mlinks->file,
1269: "No dash in title line");
1.50 kristaps 1270: p = title;
1271: }
1.38 schwarze 1272:
1.50 kristaps 1273: plen = strlen(p);
1.1 kristaps 1274:
1.50 kristaps 1275: /* Strip backspace-encoding from line. */
1.1 kristaps 1276:
1.50 kristaps 1277: while (NULL != (line = memchr(p, '\b', plen))) {
1278: len = line - p;
1279: if (0 == len) {
1280: memmove(line, line + 1, plen--);
1281: continue;
1282: }
1283: memmove(line - 1, line + 1, plen - len);
1284: plen -= 2;
1285: }
1.1 kristaps 1286:
1.78 schwarze 1287: assert(NULL == mpage->desc);
1288: mpage->desc = mandoc_strdup(p);
1289: putkey(mpage, mpage->desc, TYPE_Nd);
1.50 kristaps 1290: fclose(stream);
1291: free(title);
1292: }
1.1 kristaps 1293:
1.50 kristaps 1294: /*
1295: * Put a type/word pair into the word database for this particular file.
1296: */
1297: static void
1.112 schwarze 1298: putkey(const struct mpage *mpage, char *value, uint64_t type)
1.50 kristaps 1299: {
1.112 schwarze 1300: char *cp;
1.18 kristaps 1301:
1.50 kristaps 1302: assert(NULL != value);
1.112 schwarze 1303: if (TYPE_arch == type)
1304: for (cp = value; *cp; cp++)
1305: if (isupper((unsigned char)*cp))
1306: *cp = _tolower((unsigned char)*cp);
1.78 schwarze 1307: putkeys(mpage, value, strlen(value), type);
1.3 kristaps 1308: }
1309:
1310: /*
1.50 kristaps 1311: * Grok all nodes at or below a certain mdoc node into putkey().
1.3 kristaps 1312: */
1313: static void
1.78 schwarze 1314: putmdockey(const struct mpage *mpage,
1315: const struct mdoc_node *n, uint64_t m)
1.3 kristaps 1316: {
1.18 kristaps 1317:
1.50 kristaps 1318: for ( ; NULL != n; n = n->next) {
1319: if (NULL != n->child)
1.78 schwarze 1320: putmdockey(mpage, n->child, m);
1.50 kristaps 1321: if (MDOC_TEXT == n->type)
1.78 schwarze 1322: putkey(mpage, n->string, m);
1.50 kristaps 1323: }
1324: }
1.18 kristaps 1325:
1.61 schwarze 1326: static void
1.78 schwarze 1327: parse_man(struct mpage *mpage, const struct man_node *n)
1.50 kristaps 1328: {
1329: const struct man_node *head, *body;
1.121 schwarze 1330: char *start, *title;
1.50 kristaps 1331: char byte;
1.121 schwarze 1332: size_t sz;
1.18 kristaps 1333:
1.50 kristaps 1334: if (NULL == n)
1.61 schwarze 1335: return;
1.18 kristaps 1336:
1.50 kristaps 1337: /*
1338: * We're only searching for one thing: the first text child in
1339: * the BODY of a NAME section. Since we don't keep track of
1340: * sections in -man, run some hoops to find out whether we're in
1341: * the correct section or not.
1342: */
1.18 kristaps 1343:
1.50 kristaps 1344: if (MAN_BODY == n->type && MAN_SH == n->tok) {
1345: body = n;
1346: assert(body->parent);
1347: if (NULL != (head = body->parent->head) &&
1348: 1 == head->nchild &&
1349: NULL != (head = (head->child)) &&
1350: MAN_TEXT == head->type &&
1351: 0 == strcmp(head->string, "NAME") &&
1.121 schwarze 1352: NULL != body->child) {
1.3 kristaps 1353:
1.50 kristaps 1354: /*
1355: * Suck the entire NAME section into memory.
1356: * Yes, we might run away.
1357: * But too many manuals have big, spread-out
1358: * NAME sections over many lines.
1359: */
1.3 kristaps 1360:
1.121 schwarze 1361: title = NULL;
1362: man_deroff(&title, body);
1.50 kristaps 1363: if (NULL == title)
1.61 schwarze 1364: return;
1.18 kristaps 1365:
1.50 kristaps 1366: /*
1367: * Go through a special heuristic dance here.
1368: * Conventionally, one or more manual names are
1369: * comma-specified prior to a whitespace, then a
1370: * dash, then a description. Try to puzzle out
1371: * the name parts here.
1372: */
1.18 kristaps 1373:
1.121 schwarze 1374: start = title;
1.50 kristaps 1375: for ( ;; ) {
1376: sz = strcspn(start, " ,");
1377: if ('\0' == start[sz])
1378: break;
1.1 kristaps 1379:
1.50 kristaps 1380: byte = start[sz];
1381: start[sz] = '\0';
1.110 schwarze 1382:
1383: /*
1384: * Assume a stray trailing comma in the
1385: * name list if a name begins with a dash.
1386: */
1387:
1388: if ('-' == start[0] ||
1389: ('\\' == start[0] && '-' == start[1]))
1390: break;
1.1 kristaps 1391:
1.78 schwarze 1392: putkey(mpage, start, TYPE_Nm);
1.1 kristaps 1393:
1.50 kristaps 1394: if (' ' == byte) {
1395: start += sz + 1;
1396: break;
1397: }
1.1 kristaps 1398:
1.50 kristaps 1399: assert(',' == byte);
1400: start += sz + 1;
1401: while (' ' == *start)
1402: start++;
1403: }
1.1 kristaps 1404:
1.121 schwarze 1405: if (start == title) {
1.78 schwarze 1406: putkey(mpage, start, TYPE_Nm);
1.50 kristaps 1407: free(title);
1.61 schwarze 1408: return;
1.50 kristaps 1409: }
1.1 kristaps 1410:
1.50 kristaps 1411: while (isspace((unsigned char)*start))
1412: start++;
1.1 kristaps 1413:
1.50 kristaps 1414: if (0 == strncmp(start, "-", 1))
1415: start += 1;
1416: else if (0 == strncmp(start, "\\-\\-", 4))
1417: start += 4;
1418: else if (0 == strncmp(start, "\\-", 2))
1419: start += 2;
1420: else if (0 == strncmp(start, "\\(en", 4))
1421: start += 4;
1422: else if (0 == strncmp(start, "\\(em", 4))
1423: start += 4;
1.1 kristaps 1424:
1.50 kristaps 1425: while (' ' == *start)
1426: start++;
1.1 kristaps 1427:
1.78 schwarze 1428: assert(NULL == mpage->desc);
1429: mpage->desc = mandoc_strdup(start);
1430: putkey(mpage, mpage->desc, TYPE_Nd);
1.50 kristaps 1431: free(title);
1.61 schwarze 1432: return;
1.50 kristaps 1433: }
1434: }
1.1 kristaps 1435:
1.77 schwarze 1436: for (n = n->child; n; n = n->next) {
1.78 schwarze 1437: if (NULL != mpage->desc)
1.77 schwarze 1438: break;
1.78 schwarze 1439: parse_man(mpage, n);
1.77 schwarze 1440: }
1.1 kristaps 1441: }
1442:
1443: static void
1.78 schwarze 1444: parse_mdoc(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1445: {
1446:
1.50 kristaps 1447: assert(NULL != n);
1448: for (n = n->child; NULL != n; n = n->next) {
1449: switch (n->type) {
1450: case (MDOC_ELEM):
1451: /* FALLTHROUGH */
1452: case (MDOC_BLOCK):
1453: /* FALLTHROUGH */
1454: case (MDOC_HEAD):
1455: /* FALLTHROUGH */
1456: case (MDOC_BODY):
1457: /* FALLTHROUGH */
1458: case (MDOC_TAIL):
1459: if (NULL != mdocs[n->tok].fp)
1.78 schwarze 1460: if (0 == (*mdocs[n->tok].fp)(mpage, n))
1.50 kristaps 1461: break;
1.68 schwarze 1462: if (mdocs[n->tok].mask)
1.78 schwarze 1463: putmdockey(mpage, n->child,
1464: mdocs[n->tok].mask);
1.50 kristaps 1465: break;
1466: default:
1467: assert(MDOC_ROOT != n->type);
1468: continue;
1469: }
1470: if (NULL != n->child)
1.78 schwarze 1471: parse_mdoc(mpage, n);
1.1 kristaps 1472: }
1473: }
1474:
1.25 schwarze 1475: static int
1.78 schwarze 1476: parse_mdoc_Fd(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1477: {
1478: const char *start, *end;
1479: size_t sz;
1.25 schwarze 1480:
1.50 kristaps 1481: if (SEC_SYNOPSIS != n->sec ||
1482: NULL == (n = n->child) ||
1483: MDOC_TEXT != n->type)
1.25 schwarze 1484: return(0);
1.1 kristaps 1485:
1486: /*
1487: * Only consider those `Fd' macro fields that begin with an
1488: * "inclusion" token (versus, e.g., #define).
1489: */
1.50 kristaps 1490:
1.1 kristaps 1491: if (strcmp("#include", n->string))
1.25 schwarze 1492: return(0);
1.1 kristaps 1493:
1494: if (NULL == (n = n->next) || MDOC_TEXT != n->type)
1.25 schwarze 1495: return(0);
1.1 kristaps 1496:
1497: /*
1498: * Strip away the enclosing angle brackets and make sure we're
1499: * not zero-length.
1500: */
1501:
1502: start = n->string;
1503: if ('<' == *start || '"' == *start)
1504: start++;
1505:
1506: if (0 == (sz = strlen(start)))
1.25 schwarze 1507: return(0);
1.1 kristaps 1508:
1509: end = &start[(int)sz - 1];
1510: if ('>' == *end || '"' == *end)
1511: end--;
1512:
1.50 kristaps 1513: if (end > start)
1.78 schwarze 1514: putkeys(mpage, start, end - start + 1, TYPE_In);
1.92 schwarze 1515: return(0);
1.1 kristaps 1516: }
1517:
1.25 schwarze 1518: static int
1.78 schwarze 1519: parse_mdoc_Fn(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1520: {
1.112 schwarze 1521: char *cp;
1.1 kristaps 1522:
1.50 kristaps 1523: if (NULL == (n = n->child) || MDOC_TEXT != n->type)
1.25 schwarze 1524: return(0);
1525:
1.50 kristaps 1526: /*
1527: * Parse: .Fn "struct type *name" "char *arg".
1528: * First strip away pointer symbol.
1529: * Then store the function name, then type.
1530: * Finally, store the arguments.
1531: */
1.1 kristaps 1532:
1.50 kristaps 1533: if (NULL == (cp = strrchr(n->string, ' ')))
1534: cp = n->string;
1.1 kristaps 1535:
1536: while ('*' == *cp)
1537: cp++;
1538:
1.78 schwarze 1539: putkey(mpage, cp, TYPE_Fn);
1.25 schwarze 1540:
1.50 kristaps 1541: if (n->string < cp)
1.78 schwarze 1542: putkeys(mpage, n->string, cp - n->string, TYPE_Ft);
1.25 schwarze 1543:
1.50 kristaps 1544: for (n = n->next; NULL != n; n = n->next)
1545: if (MDOC_TEXT == n->type)
1.78 schwarze 1546: putkey(mpage, n->string, TYPE_Fa);
1.25 schwarze 1547:
1548: return(0);
1.1 kristaps 1549: }
1550:
1.25 schwarze 1551: static int
1.78 schwarze 1552: parse_mdoc_Xr(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1553: {
1.67 schwarze 1554: char *cp;
1.1 kristaps 1555:
1556: if (NULL == (n = n->child))
1.25 schwarze 1557: return(0);
1.1 kristaps 1558:
1.67 schwarze 1559: if (NULL == n->next) {
1.78 schwarze 1560: putkey(mpage, n->string, TYPE_Xr);
1.67 schwarze 1561: return(0);
1562: }
1563:
1.120 schwarze 1564: mandoc_asprintf(&cp, "%s(%s)", n->string, n->next->string);
1.78 schwarze 1565: putkey(mpage, cp, TYPE_Xr);
1.67 schwarze 1566: free(cp);
1567: return(0);
1.1 kristaps 1568: }
1569:
1.25 schwarze 1570: static int
1.78 schwarze 1571: parse_mdoc_Nd(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1572: {
1573:
1.122 schwarze 1574: if (MDOC_BODY == n->type)
1575: mdoc_deroff(&mpage->desc, n);
1576: return(0);
1.1 kristaps 1577: }
1578:
1.25 schwarze 1579: static int
1.78 schwarze 1580: parse_mdoc_Nm(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1581: {
1582:
1.92 schwarze 1583: return(SEC_NAME == n->sec ||
1584: (SEC_SYNOPSIS == n->sec && MDOC_HEAD == n->type));
1.1 kristaps 1585: }
1586:
1.25 schwarze 1587: static int
1.78 schwarze 1588: parse_mdoc_Sh(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1589: {
1590:
1.25 schwarze 1591: return(SEC_CUSTOM == n->sec && MDOC_HEAD == n->type);
1.1 kristaps 1592: }
1593:
1.50 kristaps 1594: static int
1.78 schwarze 1595: parse_mdoc_head(struct mpage *mpage, const struct mdoc_node *n)
1.1 kristaps 1596: {
1597:
1.50 kristaps 1598: return(MDOC_HEAD == n->type);
1599: }
1.1 kristaps 1600:
1.50 kristaps 1601: static int
1.78 schwarze 1602: parse_mdoc_body(struct mpage *mpage, const struct mdoc_node *n)
1.50 kristaps 1603: {
1.1 kristaps 1604:
1.50 kristaps 1605: return(MDOC_BODY == n->type);
1.1 kristaps 1606: }
1607:
1.50 kristaps 1608: /*
1.66 schwarze 1609: * Add a string to the hash table for the current manual.
1610: * Each string has a bitmask telling which macros it belongs to.
1611: * When we finish the manual, we'll dump the table.
1.50 kristaps 1612: */
1613: static void
1.78 schwarze 1614: putkeys(const struct mpage *mpage,
1615: const char *cp, size_t sz, uint64_t v)
1.50 kristaps 1616: {
1617: struct str *s;
1.111 schwarze 1618: const char *end;
1619: uint64_t mask;
1.65 schwarze 1620: unsigned int slot;
1.111 schwarze 1621: int i;
1.25 schwarze 1622:
1.50 kristaps 1623: if (0 == sz)
1624: return;
1.111 schwarze 1625:
1626: if (verb > 1) {
1627: for (i = 0, mask = 1;
1628: i < mansearch_keymax;
1629: i++, mask <<= 1)
1630: if (mask & v)
1631: break;
1632: say(mpage->mlinks->file, "Adding key %s=%*s",
1633: mansearch_keynames[i], sz, cp);
1634: }
1.25 schwarze 1635:
1.65 schwarze 1636: end = cp + sz;
1637: slot = ohash_qlookupi(&strings, cp, &end);
1638: s = ohash_find(&strings, slot);
1.25 schwarze 1639:
1.78 schwarze 1640: if (NULL != s && mpage == s->mpage) {
1.50 kristaps 1641: s->mask |= v;
1642: return;
1643: } else if (NULL == s) {
1.51 kristaps 1644: s = mandoc_calloc(sizeof(struct str) + sz + 1, 1);
1.50 kristaps 1645: memcpy(s->key, cp, sz);
1.65 schwarze 1646: ohash_insert(&strings, slot, s);
1.1 kristaps 1647: }
1.78 schwarze 1648: s->mpage = mpage;
1.50 kristaps 1649: s->mask = v;
1.1 kristaps 1650: }
1651:
1.50 kristaps 1652: /*
1653: * Take a Unicode codepoint and produce its UTF-8 encoding.
1654: * This isn't the best way to do this, but it works.
1655: * The magic numbers are from the UTF-8 packaging.
1656: * They're not as scary as they seem: read the UTF-8 spec for details.
1657: */
1658: static size_t
1659: utf8(unsigned int cp, char out[7])
1.1 kristaps 1660: {
1.50 kristaps 1661: size_t rc;
1.1 kristaps 1662:
1.50 kristaps 1663: rc = 0;
1664: if (cp <= 0x0000007F) {
1665: rc = 1;
1666: out[0] = (char)cp;
1667: } else if (cp <= 0x000007FF) {
1668: rc = 2;
1669: out[0] = (cp >> 6 & 31) | 192;
1670: out[1] = (cp & 63) | 128;
1671: } else if (cp <= 0x0000FFFF) {
1672: rc = 3;
1673: out[0] = (cp >> 12 & 15) | 224;
1674: out[1] = (cp >> 6 & 63) | 128;
1675: out[2] = (cp & 63) | 128;
1676: } else if (cp <= 0x001FFFFF) {
1677: rc = 4;
1678: out[0] = (cp >> 18 & 7) | 240;
1679: out[1] = (cp >> 12 & 63) | 128;
1680: out[2] = (cp >> 6 & 63) | 128;
1681: out[3] = (cp & 63) | 128;
1682: } else if (cp <= 0x03FFFFFF) {
1683: rc = 5;
1684: out[0] = (cp >> 24 & 3) | 248;
1685: out[1] = (cp >> 18 & 63) | 128;
1686: out[2] = (cp >> 12 & 63) | 128;
1687: out[3] = (cp >> 6 & 63) | 128;
1688: out[4] = (cp & 63) | 128;
1689: } else if (cp <= 0x7FFFFFFF) {
1690: rc = 6;
1691: out[0] = (cp >> 30 & 1) | 252;
1692: out[1] = (cp >> 24 & 63) | 128;
1693: out[2] = (cp >> 18 & 63) | 128;
1694: out[3] = (cp >> 12 & 63) | 128;
1695: out[4] = (cp >> 6 & 63) | 128;
1696: out[5] = (cp & 63) | 128;
1697: } else
1.1 kristaps 1698: return(0);
1699:
1.50 kristaps 1700: out[rc] = '\0';
1701: return(rc);
1702: }
1.1 kristaps 1703:
1.50 kristaps 1704: /*
1.96 schwarze 1705: * Store the rendered version of a key, or alias the pointer
1706: * if the key contains no escape sequences.
1.50 kristaps 1707: */
1708: static void
1.96 schwarze 1709: render_key(struct mchars *mc, struct str *key)
1.50 kristaps 1710: {
1711: size_t sz, bsz, pos;
1.114 schwarze 1712: char utfbuf[7], res[6];
1.50 kristaps 1713: char *buf;
1714: const char *seq, *cpp, *val;
1715: int len, u;
1716: enum mandoc_esc esc;
1717:
1.96 schwarze 1718: assert(NULL == key->rendered);
1.50 kristaps 1719:
1720: res[0] = '\\';
1721: res[1] = '\t';
1722: res[2] = ASCII_NBRSP;
1723: res[3] = ASCII_HYPH;
1.114 schwarze 1724: res[4] = ASCII_BREAK;
1725: res[5] = '\0';
1.1 kristaps 1726:
1.50 kristaps 1727: val = key->key;
1728: bsz = strlen(val);
1.46 kristaps 1729:
1.50 kristaps 1730: /*
1731: * Pre-check: if we have no stop-characters, then set the
1732: * pointer as ourselvse and get out of here.
1733: */
1734: if (strcspn(val, res) == bsz) {
1.96 schwarze 1735: key->rendered = key->key;
1.50 kristaps 1736: return;
1737: }
1.46 kristaps 1738:
1.50 kristaps 1739: /* Pre-allocate by the length of the input */
1.46 kristaps 1740:
1.50 kristaps 1741: buf = mandoc_malloc(++bsz);
1742: pos = 0;
1.46 kristaps 1743:
1.50 kristaps 1744: while ('\0' != *val) {
1745: /*
1746: * Halt on the first escape sequence.
1747: * This also halts on the end of string, in which case
1748: * we just copy, fallthrough, and exit the loop.
1749: */
1750: if ((sz = strcspn(val, res)) > 0) {
1751: memcpy(&buf[pos], val, sz);
1752: pos += sz;
1753: val += sz;
1754: }
1.46 kristaps 1755:
1.114 schwarze 1756: switch (*val) {
1757: case (ASCII_HYPH):
1.50 kristaps 1758: buf[pos++] = '-';
1759: val++;
1760: continue;
1.114 schwarze 1761: case ('\t'):
1762: /* FALLTHROUGH */
1763: case (ASCII_NBRSP):
1.50 kristaps 1764: buf[pos++] = ' ';
1765: val++;
1.114 schwarze 1766: /* FALLTHROUGH */
1767: case (ASCII_BREAK):
1.50 kristaps 1768: continue;
1.114 schwarze 1769: default:
1770: break;
1771: }
1772: if ('\\' != *val)
1.50 kristaps 1773: break;
1.46 kristaps 1774:
1.50 kristaps 1775: /* Read past the slash. */
1.46 kristaps 1776:
1.50 kristaps 1777: val++;
1.46 kristaps 1778:
1.50 kristaps 1779: /*
1780: * Parse the escape sequence and see if it's a
1781: * predefined character or special character.
1782: */
1.95 schwarze 1783:
1.50 kristaps 1784: esc = mandoc_escape
1785: ((const char **)&val, &seq, &len);
1786: if (ESCAPE_ERROR == esc)
1787: break;
1788: if (ESCAPE_SPECIAL != esc)
1789: continue;
1.1 kristaps 1790:
1.50 kristaps 1791: /*
1.95 schwarze 1792: * Render the special character
1793: * as either UTF-8 or ASCII.
1.50 kristaps 1794: */
1.95 schwarze 1795:
1796: if (write_utf8) {
1797: if (0 == (u = mchars_spec2cp(mc, seq, len)))
1798: continue;
1799: cpp = utfbuf;
1800: if (0 == (sz = utf8(u, utfbuf)))
1801: continue;
1802: sz = strlen(cpp);
1803: } else {
1804: cpp = mchars_spec2str(mc, seq, len, &sz);
1805: if (NULL == cpp)
1806: continue;
1807: if (ASCII_NBRSP == *cpp) {
1808: cpp = " ";
1809: sz = 1;
1810: }
1811: }
1.1 kristaps 1812:
1.50 kristaps 1813: /* Copy the rendered glyph into the stream. */
1.1 kristaps 1814:
1.50 kristaps 1815: bsz += sz;
1816: buf = mandoc_realloc(buf, bsz);
1817: memcpy(&buf[pos], cpp, sz);
1818: pos += sz;
1.1 kristaps 1819: }
1820:
1.50 kristaps 1821: buf[pos] = '\0';
1.96 schwarze 1822: key->rendered = buf;
1.1 kristaps 1823: }
1824:
1.118 schwarze 1825: static void
1826: dbadd_mlink(const struct mlink *mlink)
1827: {
1828: size_t i;
1829:
1830: i = 1;
1831: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->dsec);
1832: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->arch);
1833: SQL_BIND_TEXT(stmts[STMT_INSERT_LINK], i, mlink->name);
1834: SQL_BIND_INT64(stmts[STMT_INSERT_LINK], i, mlink->mpage->recno);
1835: SQL_STEP(stmts[STMT_INSERT_LINK]);
1836: sqlite3_reset(stmts[STMT_INSERT_LINK]);
1837: }
1838:
1.14 schwarze 1839: /*
1.50 kristaps 1840: * Flush the current page's terms (and their bits) into the database.
1841: * Wrap the entire set of additions in a transaction to make sqlite be a
1842: * little faster.
1.96 schwarze 1843: * Also, handle escape sequences at the last possible moment.
1.14 schwarze 1844: */
1845: static void
1.118 schwarze 1846: dbadd(struct mpage *mpage, struct mchars *mc)
1.14 schwarze 1847: {
1.87 schwarze 1848: struct mlink *mlink;
1.50 kristaps 1849: struct str *key;
1.52 kristaps 1850: size_t i;
1.66 schwarze 1851: unsigned int slot;
1.14 schwarze 1852:
1.56 schwarze 1853: if (verb)
1.105 schwarze 1854: say(mpage->mlinks->file, "Adding to database");
1.43 kristaps 1855:
1.50 kristaps 1856: if (nodb)
1.14 schwarze 1857: return;
1.28 kristaps 1858:
1.52 kristaps 1859: i = 1;
1.82 schwarze 1860: SQL_BIND_INT(stmts[STMT_INSERT_PAGE], i, FORM_SRC == mpage->form);
1.81 schwarze 1861: SQL_STEP(stmts[STMT_INSERT_PAGE]);
1.118 schwarze 1862: mpage->recno = sqlite3_last_insert_rowid(db);
1.81 schwarze 1863: sqlite3_reset(stmts[STMT_INSERT_PAGE]);
1864:
1.118 schwarze 1865: for (mlink = mpage->mlinks; mlink; mlink = mlink->next)
1866: dbadd_mlink(mlink);
1.50 kristaps 1867:
1.66 schwarze 1868: for (key = ohash_first(&strings, &slot); NULL != key;
1869: key = ohash_next(&strings, &slot)) {
1.78 schwarze 1870: assert(key->mpage == mpage);
1.96 schwarze 1871: if (NULL == key->rendered)
1872: render_key(mc, key);
1.52 kristaps 1873: i = 1;
1874: SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, key->mask);
1.96 schwarze 1875: SQL_BIND_TEXT(stmts[STMT_INSERT_KEY], i, key->rendered);
1.118 schwarze 1876: SQL_BIND_INT64(stmts[STMT_INSERT_KEY], i, mpage->recno);
1.52 kristaps 1877: SQL_STEP(stmts[STMT_INSERT_KEY]);
1.50 kristaps 1878: sqlite3_reset(stmts[STMT_INSERT_KEY]);
1.96 schwarze 1879: if (key->rendered != key->key)
1880: free(key->rendered);
1.66 schwarze 1881: free(key);
1.38 schwarze 1882: }
1.14 schwarze 1883: }
1884:
1.5 kristaps 1885: static void
1.59 schwarze 1886: dbprune(void)
1.5 kristaps 1887: {
1.78 schwarze 1888: struct mpage *mpage;
1.82 schwarze 1889: struct mlink *mlink;
1.52 kristaps 1890: size_t i;
1.80 schwarze 1891: unsigned int slot;
1.5 kristaps 1892:
1.106 schwarze 1893: if (0 == nodb)
1894: SQL_EXEC("BEGIN TRANSACTION");
1.12 schwarze 1895:
1.106 schwarze 1896: for (mpage = ohash_first(&mpages, &slot); NULL != mpage;
1897: mpage = ohash_next(&mpages, &slot)) {
1.82 schwarze 1898: mlink = mpage->mlinks;
1.56 schwarze 1899: if (verb)
1.106 schwarze 1900: say(mlink->file, "Deleting from database");
1901: if (nodb)
1902: continue;
1903: for ( ; NULL != mlink; mlink = mlink->next) {
1904: i = 1;
1905: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1906: i, mlink->dsec);
1907: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1908: i, mlink->arch);
1909: SQL_BIND_TEXT(stmts[STMT_DELETE_PAGE],
1910: i, mlink->name);
1911: SQL_STEP(stmts[STMT_DELETE_PAGE]);
1912: sqlite3_reset(stmts[STMT_DELETE_PAGE]);
1913: }
1.5 kristaps 1914: }
1.106 schwarze 1915:
1916: if (0 == nodb)
1917: SQL_EXEC("END TRANSACTION");
1.5 kristaps 1918: }
1919:
1.4 kristaps 1920: /*
1.50 kristaps 1921: * Close an existing database and its prepared statements.
1922: * If "real" is not set, rename the temporary file into the real one.
1.4 kristaps 1923: */
1.35 kristaps 1924: static void
1.59 schwarze 1925: dbclose(int real)
1.4 kristaps 1926: {
1.50 kristaps 1927: size_t i;
1.115 schwarze 1928: int status;
1929: pid_t child;
1.4 kristaps 1930:
1.50 kristaps 1931: if (nodb)
1.38 schwarze 1932: return;
1.50 kristaps 1933:
1934: for (i = 0; i < STMT__MAX; i++) {
1935: sqlite3_finalize(stmts[i]);
1936: stmts[i] = NULL;
1.4 kristaps 1937: }
1938:
1.50 kristaps 1939: sqlite3_close(db);
1940: db = NULL;
1.12 schwarze 1941:
1.50 kristaps 1942: if (real)
1943: return;
1.12 schwarze 1944:
1.115 schwarze 1945: if ('\0' == *tempfilename) {
1946: if (-1 == rename(MANDOC_DB "~", MANDOC_DB)) {
1947: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1948: say(MANDOC_DB, "&rename");
1.115 schwarze 1949: }
1950: return;
1951: }
1952:
1953: switch (child = fork()) {
1954: case (-1):
1955: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1956: say("", "&fork cmp");
1.115 schwarze 1957: return;
1958: case (0):
1959: execlp("cmp", "cmp", "-s",
1960: tempfilename, MANDOC_DB, NULL);
1.123 schwarze 1961: say("", "&exec cmp");
1.115 schwarze 1962: exit(0);
1963: default:
1964: break;
1965: }
1966: if (-1 == waitpid(child, &status, 0)) {
1967: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1968: say("", "&wait cmp");
1.115 schwarze 1969: } else if (WIFSIGNALED(status)) {
1970: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1971: say("", "cmp died from signal %d", WTERMSIG(status));
1.115 schwarze 1972: } else if (WEXITSTATUS(status)) {
1.59 schwarze 1973: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 1974: say(MANDOC_DB,
1975: "Data changed, but cannot replace database");
1976: }
1977:
1978: *strrchr(tempfilename, '/') = '\0';
1979: switch (child = fork()) {
1980: case (-1):
1981: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1982: say("", "&fork rm");
1.115 schwarze 1983: return;
1984: case (0):
1985: execlp("rm", "rm", "-rf", tempfilename, NULL);
1.123 schwarze 1986: say("", "&exec rm");
1.115 schwarze 1987: exit((int)MANDOCLEVEL_SYSERR);
1988: default:
1989: break;
1990: }
1991: if (-1 == waitpid(child, &status, 0)) {
1992: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1993: say("", "&wait rm");
1.115 schwarze 1994: } else if (WIFSIGNALED(status) || WEXITSTATUS(status)) {
1995: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 1996: say("", "%s: Cannot remove temporary directory",
1997: tempfilename);
1.59 schwarze 1998: }
1.50 kristaps 1999: }
1.14 schwarze 2000:
1.50 kristaps 2001: /*
2002: * This is straightforward stuff.
2003: * Open a database connection to a "temporary" database, then open a set
2004: * of prepared statements we'll use over and over again.
2005: * If "real" is set, we use the existing database; if not, we truncate a
2006: * temporary one.
2007: * Must be matched by dbclose().
2008: */
2009: static int
1.59 schwarze 2010: dbopen(int real)
1.50 kristaps 2011: {
1.115 schwarze 2012: const char *sql;
1.50 kristaps 2013: int rc, ofl;
1.12 schwarze 2014:
1.50 kristaps 2015: if (nodb)
2016: return(1);
1.12 schwarze 2017:
1.115 schwarze 2018: *tempfilename = '\0';
1.63 schwarze 2019: ofl = SQLITE_OPEN_READWRITE;
1.115 schwarze 2020:
2021: if (real) {
2022: rc = sqlite3_open_v2(MANDOC_DB, &db, ofl, NULL);
2023: if (SQLITE_OK != rc) {
1.63 schwarze 2024: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2025: say(MANDOC_DB, "%s", sqlite3_errmsg(db));
1.63 schwarze 2026: return(0);
2027: }
1.115 schwarze 2028: goto prepare_statements;
2029: }
2030:
2031: ofl |= SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE;
1.45 kristaps 2032:
1.115 schwarze 2033: remove(MANDOC_DB "~");
2034: rc = sqlite3_open_v2(MANDOC_DB "~", &db, ofl, NULL);
1.50 kristaps 2035: if (SQLITE_OK == rc)
1.115 schwarze 2036: goto create_tables;
1.116 schwarze 2037: if (MPARSE_QUICK & mparse_options) {
1.59 schwarze 2038: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2039: say(MANDOC_DB "~", "%s", sqlite3_errmsg(db));
1.50 kristaps 2040: return(0);
2041: }
1.12 schwarze 2042:
1.115 schwarze 2043: if (strlcpy(tempfilename, "/tmp/mandocdb.XXXXXX",
2044: sizeof(tempfilename)) >= sizeof(tempfilename)) {
2045: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2046: say("", "/tmp/mandocdb.XXXXXX: Filename too long");
1.115 schwarze 2047: return(0);
2048: }
2049: if (NULL == mkdtemp(tempfilename)) {
2050: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2051: say("", "&%s", tempfilename);
1.115 schwarze 2052: return(0);
2053: }
2054: if (strlcat(tempfilename, "/" MANDOC_DB,
2055: sizeof(tempfilename)) >= sizeof(tempfilename)) {
2056: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2057: say("", "%s/" MANDOC_DB ": Filename too long",
2058: tempfilename);
1.115 schwarze 2059: return(0);
2060: }
2061: rc = sqlite3_open_v2(tempfilename, &db, ofl, NULL);
2062: if (SQLITE_OK != rc) {
1.59 schwarze 2063: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2064: say("", "%s: %s", tempfilename, sqlite3_errmsg(db));
1.50 kristaps 2065: return(0);
2066: }
1.12 schwarze 2067:
1.115 schwarze 2068: create_tables:
1.81 schwarze 2069: sql = "CREATE TABLE \"mpages\" (\n"
1.50 kristaps 2070: " \"form\" INTEGER NOT NULL,\n"
2071: " \"id\" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL\n"
2072: ");\n"
2073: "\n"
1.81 schwarze 2074: "CREATE TABLE \"mlinks\" (\n"
2075: " \"sec\" TEXT NOT NULL,\n"
2076: " \"arch\" TEXT NOT NULL,\n"
2077: " \"name\" TEXT NOT NULL,\n"
2078: " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
1.109 schwarze 2079: "ON DELETE CASCADE\n"
1.81 schwarze 2080: ");\n"
2081: "\n"
1.50 kristaps 2082: "CREATE TABLE \"keys\" (\n"
2083: " \"bits\" INTEGER NOT NULL,\n"
2084: " \"key\" TEXT NOT NULL,\n"
1.81 schwarze 2085: " \"pageid\" INTEGER NOT NULL REFERENCES mpages(id) "
1.109 schwarze 2086: "ON DELETE CASCADE\n"
1.108 schwarze 2087: ");\n";
1.14 schwarze 2088:
1.50 kristaps 2089: if (SQLITE_OK != sqlite3_exec(db, sql, NULL, NULL, NULL)) {
1.59 schwarze 2090: exitcode = (int)MANDOCLEVEL_SYSERR;
1.115 schwarze 2091: say(MANDOC_DB, "%s", sqlite3_errmsg(db));
1.50 kristaps 2092: return(0);
2093: }
1.4 kristaps 2094:
1.57 schwarze 2095: prepare_statements:
2096: SQL_EXEC("PRAGMA foreign_keys = ON");
1.106 schwarze 2097: sql = "DELETE FROM mpages WHERE id IN "
2098: "(SELECT pageid FROM mlinks WHERE "
2099: "sec=? AND arch=? AND name=?)";
1.81 schwarze 2100: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_DELETE_PAGE], NULL);
2101: sql = "INSERT INTO mpages "
1.103 schwarze 2102: "(form) VALUES (?)";
1.81 schwarze 2103: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_PAGE], NULL);
2104: sql = "INSERT INTO mlinks "
1.104 schwarze 2105: "(sec,arch,name,pageid) VALUES (?,?,?,?)";
1.81 schwarze 2106: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_LINK], NULL);
1.50 kristaps 2107: sql = "INSERT INTO keys "
1.81 schwarze 2108: "(bits,key,pageid) VALUES (?,?,?)";
1.50 kristaps 2109: sqlite3_prepare_v2(db, sql, -1, &stmts[STMT_INSERT_KEY], NULL);
1.70 schwarze 2110:
2111: #ifndef __APPLE__
2112: /*
2113: * When opening a new database, we can turn off
2114: * synchronous mode for much better performance.
2115: */
2116:
2117: if (real)
2118: SQL_EXEC("PRAGMA synchronous = OFF");
2119: #endif
2120:
1.50 kristaps 2121: return(1);
2122: }
1.5 kristaps 2123:
1.50 kristaps 2124: static void *
2125: hash_halloc(size_t sz, void *arg)
2126: {
1.12 schwarze 2127:
1.50 kristaps 2128: return(mandoc_calloc(sz, 1));
2129: }
1.12 schwarze 2130:
1.50 kristaps 2131: static void *
2132: hash_alloc(size_t sz, void *arg)
2133: {
1.5 kristaps 2134:
1.50 kristaps 2135: return(mandoc_malloc(sz));
2136: }
1.41 kristaps 2137:
1.50 kristaps 2138: static void
2139: hash_free(void *p, size_t sz, void *arg)
2140: {
1.4 kristaps 2141:
1.50 kristaps 2142: free(p);
1.4 kristaps 2143: }
2144:
1.50 kristaps 2145: static int
1.59 schwarze 2146: set_basedir(const char *targetdir)
1.4 kristaps 2147: {
1.59 schwarze 2148: static char startdir[PATH_MAX];
2149: static int fd;
1.4 kristaps 2150:
1.59 schwarze 2151: /*
2152: * Remember where we started by keeping a fd open to the origin
2153: * path component: throughout this utility, we chdir() a lot to
2154: * handle relative paths, and by doing this, we can return to
2155: * the starting point.
2156: */
2157: if ('\0' == *startdir) {
2158: if (NULL == getcwd(startdir, PATH_MAX)) {
2159: exitcode = (int)MANDOCLEVEL_SYSERR;
2160: if (NULL != targetdir)
1.123 schwarze 2161: say("", "&getcwd");
1.59 schwarze 2162: return(0);
2163: }
2164: if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
2165: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2166: say("", "&open %s", startdir);
1.59 schwarze 2167: return(0);
2168: }
2169: if (NULL == targetdir)
2170: targetdir = startdir;
2171: } else {
2172: if (-1 == fd)
2173: return(0);
2174: if (-1 == fchdir(fd)) {
2175: close(fd);
2176: basedir[0] = '\0';
2177: exitcode = (int)MANDOCLEVEL_SYSERR;
1.123 schwarze 2178: say("", "&chdir %s", startdir);
1.59 schwarze 2179: return(0);
2180: }
2181: if (NULL == targetdir) {
2182: close(fd);
2183: return(1);
2184: }
2185: }
2186: if (NULL == realpath(targetdir, basedir)) {
2187: basedir[0] = '\0';
2188: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 2189: say("", "&%s: realpath", targetdir);
1.50 kristaps 2190: return(0);
1.59 schwarze 2191: } else if (-1 == chdir(basedir)) {
2192: exitcode = (int)MANDOCLEVEL_BADARG;
1.123 schwarze 2193: say("", "&chdir");
1.50 kristaps 2194: return(0);
1.4 kristaps 2195: }
1.50 kristaps 2196: return(1);
1.56 schwarze 2197: }
2198:
2199: static void
1.59 schwarze 2200: say(const char *file, const char *format, ...)
1.56 schwarze 2201: {
2202: va_list ap;
1.123 schwarze 2203: int use_errno;
1.56 schwarze 2204:
1.59 schwarze 2205: if ('\0' != *basedir)
2206: fprintf(stderr, "%s", basedir);
2207: if ('\0' != *basedir && '\0' != *file)
2208: fputs("//", stderr);
1.56 schwarze 2209: if ('\0' != *file)
1.59 schwarze 2210: fprintf(stderr, "%s", file);
2211:
1.123 schwarze 2212: use_errno = 1;
2213: if (NULL != format) {
2214: switch (*format) {
2215: case ('&'):
2216: format++;
2217: break;
2218: case ('\0'):
2219: format = NULL;
2220: break;
2221: default:
2222: use_errno = 0;
2223: break;
2224: }
2225: }
2226: if (NULL != format) {
2227: if ('\0' != *basedir || '\0' != *file)
2228: fputs(": ", stderr);
2229: va_start(ap, format);
2230: vfprintf(stderr, format, ap);
2231: va_end(ap);
2232: }
2233: if (use_errno) {
2234: if ('\0' != *basedir || '\0' != *file || NULL != format)
2235: fputs(": ", stderr);
1.59 schwarze 2236: perror(NULL);
1.123 schwarze 2237: } else
2238: fputc('\n', stderr);
1.1 kristaps 2239: }
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