Annotation of src/usr.bin/mandoc/main.c, Revision 1.121
1.121 ! schwarze 1: /* $OpenBSD: main.c,v 1.120 2015/01/14 21:27:01 schwarze Exp $ */
1.1 kristaps 2: /*
1.95 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.118 schwarze 4: * Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.86 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.2 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19:
1.95 schwarze 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.95 schwarze 23: #include <ctype.h>
24: #include <errno.h>
25: #include <fcntl.h>
1.1 kristaps 26: #include <stdio.h>
1.17 schwarze 27: #include <stdint.h>
1.1 kristaps 28: #include <stdlib.h>
29: #include <string.h>
30: #include <unistd.h>
31:
1.30 schwarze 32: #include "mandoc.h"
1.89 schwarze 33: #include "mandoc_aux.h"
1.38 schwarze 34: #include "main.h"
1.1 kristaps 35: #include "mdoc.h"
36: #include "man.h"
1.95 schwarze 37: #include "manpath.h"
38: #include "mansearch.h"
39:
40: enum outmode {
41: OUTMODE_DEF = 0,
42: OUTMODE_FLN,
43: OUTMODE_LST,
44: OUTMODE_ALL,
45: OUTMODE_INT,
46: OUTMODE_ONE
47: };
1.1 kristaps 48:
1.16 schwarze 49: typedef void (*out_mdoc)(void *, const struct mdoc *);
50: typedef void (*out_man)(void *, const struct man *);
1.1 kristaps 51: typedef void (*out_free)(void *);
52:
53: enum outt {
1.76 schwarze 54: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 55: OUTT_LOCALE, /* -Tlocale */
56: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 57: OUTT_TREE, /* -Ttree */
1.78 schwarze 58: OUTT_MAN, /* -Tman */
1.76 schwarze 59: OUTT_HTML, /* -Thtml */
60: OUTT_LINT, /* -Tlint */
61: OUTT_PS, /* -Tps */
62: OUTT_PDF /* -Tpdf */
1.1 kristaps 63: };
64:
65: struct curparse {
1.76 schwarze 66: struct mparse *mp;
1.102 schwarze 67: struct mchars *mchars; /* character table */
1.75 schwarze 68: enum mandoclevel wlevel; /* ignore messages below this */
69: int wstop; /* stop after a file with a warning */
1.90 schwarze 70: enum outt outtype; /* which output to use */
1.33 schwarze 71: out_mdoc outmdoc; /* mdoc output ptr */
1.90 schwarze 72: out_man outman; /* man output ptr */
1.33 schwarze 73: out_free outfree; /* free output ptr */
74: void *outdata; /* data for output */
75: char outopts[BUFSIZ]; /* buf of output opts */
76: };
77:
1.119 schwarze 78: static int fs_lookup(const struct manpaths *,
79: size_t ipath, const char *,
80: const char *, const char *,
81: struct manpage **, size_t *);
82: static void fs_search(const struct mansearch *,
83: const struct manpaths *, int, char**,
84: struct manpage **, size_t *);
1.103 schwarze 85: static int koptions(int *, char *);
1.79 schwarze 86: int mandocdb(int, char**);
1.87 schwarze 87: static int moptions(int *, char *);
1.76 schwarze 88: static void mmsg(enum mandocerr, enum mandoclevel,
89: const char *, int, int, const char *);
1.90 schwarze 90: static void parse(struct curparse *, int,
1.76 schwarze 91: const char *, enum mandoclevel *);
1.105 schwarze 92: static enum mandoclevel passthrough(const char *, int, int);
1.95 schwarze 93: static void spawn_pager(void);
1.27 schwarze 94: static int toptions(struct curparse *, char *);
1.95 schwarze 95: static void usage(enum argmode) __attribute__((noreturn));
1.20 schwarze 96: static void version(void) __attribute__((noreturn));
1.45 schwarze 97: static int woptions(struct curparse *, char *);
1.1 kristaps 98:
1.95 schwarze 99: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.110 schwarze 100: static char help_arg[] = "help";
101: static char *help_argv[] = {help_arg, NULL};
1.19 schwarze 102: static const char *progname;
1.1 kristaps 103:
1.90 schwarze 104:
1.1 kristaps 105: int
106: main(int argc, char *argv[])
107: {
108: struct curparse curp;
1.95 schwarze 109: struct mansearch search;
110: struct manpaths paths;
1.111 schwarze 111: char *auxpaths;
1.95 schwarze 112: char *defos;
1.113 schwarze 113: unsigned char *uc;
1.95 schwarze 114: struct manpage *res, *resp;
1.111 schwarze 115: char *conf_file, *defpaths;
1.95 schwarze 116: size_t isec, i, sz;
1.111 schwarze 117: int prio, best_prio, synopsis_only;
1.95 schwarze 118: char sec;
1.120 schwarze 119: enum mandoclevel rc, rctmp;
1.95 schwarze 120: enum outmode outmode;
1.100 schwarze 121: int fd;
1.95 schwarze 122: int show_usage;
123: int use_pager;
1.87 schwarze 124: int options;
1.95 schwarze 125: int c;
1.1 kristaps 126:
1.19 schwarze 127: progname = strrchr(argv[0], '/');
128: if (progname == NULL)
129: progname = argv[0];
130: else
131: ++progname;
1.79 schwarze 132:
1.82 schwarze 133: if (0 == strncmp(progname, "mandocdb", 8) ||
134: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 135: return(mandocdb(argc, argv));
1.19 schwarze 136:
1.95 schwarze 137: /* Search options. */
138:
139: memset(&paths, 0, sizeof(struct manpaths));
1.111 schwarze 140: conf_file = defpaths = NULL;
141: auxpaths = NULL;
1.95 schwarze 142:
143: memset(&search, 0, sizeof(struct mansearch));
144: search.outkey = "Nd";
145:
146: if (strcmp(progname, "man") == 0)
147: search.argmode = ARG_NAME;
148: else if (strncmp(progname, "apropos", 7) == 0)
149: search.argmode = ARG_EXPR;
150: else if (strncmp(progname, "whatis", 6) == 0)
151: search.argmode = ARG_WORD;
1.110 schwarze 152: else if (strncmp(progname, "help", 4) == 0)
153: search.argmode = ARG_NAME;
1.95 schwarze 154: else
155: search.argmode = ARG_FILE;
156:
157: /* Parser and formatter options. */
158:
1.19 schwarze 159: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 160: curp.outtype = OUTT_LOCALE;
1.121 ! schwarze 161: curp.wlevel = MANDOCLEVEL_BADARG;
1.103 schwarze 162: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 163: defos = NULL;
1.1 kristaps 164:
1.95 schwarze 165: use_pager = 1;
166: show_usage = 0;
1.105 schwarze 167: synopsis_only = 0;
1.95 schwarze 168: outmode = OUTMODE_DEF;
169:
1.103 schwarze 170: while (-1 != (c = getopt(argc, argv,
171: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 172: switch (c) {
1.95 schwarze 173: case 'a':
174: outmode = OUTMODE_ALL;
175: break;
176: case 'C':
177: conf_file = optarg;
178: break;
179: case 'c':
180: use_pager = 0;
181: break;
182: case 'f':
183: search.argmode = ARG_WORD;
184: break;
1.98 schwarze 185: case 'h':
186: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 187: synopsis_only = 1;
1.106 schwarze 188: use_pager = 0;
1.98 schwarze 189: outmode = OUTMODE_ALL;
190: break;
1.90 schwarze 191: case 'I':
1.83 schwarze 192: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 193: fprintf(stderr,
1.115 schwarze 194: "%s: -I %s: Bad argument\n",
1.93 schwarze 195: progname, optarg);
1.83 schwarze 196: return((int)MANDOCLEVEL_BADARG);
197: }
198: if (defos) {
1.90 schwarze 199: fprintf(stderr,
1.115 schwarze 200: "%s: -I %s: Duplicate argument\n",
1.93 schwarze 201: progname, optarg);
1.83 schwarze 202: return((int)MANDOCLEVEL_BADARG);
203: }
204: defos = mandoc_strdup(optarg + 3);
205: break;
1.95 schwarze 206: case 'i':
207: outmode = OUTMODE_INT;
208: break;
1.103 schwarze 209: case 'K':
210: if ( ! koptions(&options, optarg))
211: return((int)MANDOCLEVEL_BADARG);
212: break;
1.95 schwarze 213: case 'k':
214: search.argmode = ARG_EXPR;
215: break;
1.96 schwarze 216: case 'l':
217: search.argmode = ARG_FILE;
218: outmode = OUTMODE_ALL;
219: break;
1.95 schwarze 220: case 'M':
221: defpaths = optarg;
222: break;
1.90 schwarze 223: case 'm':
1.95 schwarze 224: auxpaths = optarg;
1.1 kristaps 225: break;
1.90 schwarze 226: case 'O':
1.95 schwarze 227: search.outkey = optarg;
1.18 schwarze 228: (void)strlcat(curp.outopts, optarg, BUFSIZ);
229: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 230: break;
1.95 schwarze 231: case 'S':
232: search.arch = optarg;
233: break;
234: case 's':
235: search.sec = optarg;
236: break;
1.90 schwarze 237: case 'T':
1.22 schwarze 238: if ( ! toptions(&curp, optarg))
1.47 schwarze 239: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 240: break;
1.90 schwarze 241: case 'W':
1.45 schwarze 242: if ( ! woptions(&curp, optarg))
1.47 schwarze 243: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 244: break;
1.95 schwarze 245: case 'w':
246: outmode = OUTMODE_FLN;
247: break;
1.90 schwarze 248: case 'V':
1.3 schwarze 249: version();
250: /* NOTREACHED */
1.1 kristaps 251: default:
1.95 schwarze 252: show_usage = 1;
253: break;
254: }
255: }
256:
257: if (show_usage)
258: usage(search.argmode);
259:
260: /* Postprocess options. */
261:
262: if (outmode == OUTMODE_DEF) {
263: switch (search.argmode) {
264: case ARG_FILE:
265: outmode = OUTMODE_ALL;
266: use_pager = 0;
267: break;
268: case ARG_NAME:
269: outmode = OUTMODE_ONE;
270: break;
271: default:
272: outmode = OUTMODE_LST;
273: break;
274: }
275: }
276:
277: /* Parse arguments. */
278:
279: argc -= optind;
280: argv += optind;
281: resp = NULL;
282:
1.110 schwarze 283: /*
284: * Quirks for help(1)
285: * and for a man(1) section argument without -s.
286: */
287:
288: if (search.argmode == ARG_NAME) {
289: if (*progname == 'h') {
290: if (argc == 0) {
291: argv = help_argv;
292: argc = 1;
293: }
1.117 schwarze 294: } else if (argc > 1 &&
295: ((uc = argv[0]) != NULL) &&
1.113 schwarze 296: ((isdigit(uc[0]) && (uc[1] == '\0' ||
297: (isalpha(uc[1]) && uc[2] == '\0'))) ||
298: (uc[0] == 'n' && uc[1] == '\0'))) {
299: search.sec = uc;
1.110 schwarze 300: argv++;
301: argc--;
302: }
1.95 schwarze 303: }
304:
305: rc = MANDOCLEVEL_OK;
306:
307: /* man(1), whatis(1), apropos(1) */
308:
309: if (search.argmode != ARG_FILE) {
310: if (argc == 0)
311: usage(search.argmode);
1.107 schwarze 312:
313: if (search.argmode == ARG_NAME &&
314: outmode == OUTMODE_ONE)
315: search.firstmatch = 1;
1.95 schwarze 316:
317: /* Access the mandoc database. */
318:
319: manpath_parse(&paths, conf_file, defpaths, auxpaths);
320: mansearch_setup(1);
321: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
322: usage(search.argmode);
1.119 schwarze 323:
324: if (sz == 0 && search.argmode == ARG_NAME)
325: fs_search(&search, &paths, argc, argv, &res, &sz);
1.95 schwarze 326:
327: if (sz == 0) {
328: rc = MANDOCLEVEL_BADARG;
329: goto out;
330: }
331:
332: /*
333: * For standard man(1) and -a output mode,
334: * prepare for copying filename pointers
335: * into the program parameter array.
336: */
337:
338: if (outmode == OUTMODE_ONE) {
339: argc = 1;
340: best_prio = 10;
341: } else if (outmode == OUTMODE_ALL)
342: argc = (int)sz;
343:
344: /* Iterate all matching manuals. */
345:
1.119 schwarze 346: resp = res;
1.95 schwarze 347: for (i = 0; i < sz; i++) {
348: if (outmode == OUTMODE_FLN)
349: puts(res[i].file);
350: else if (outmode == OUTMODE_LST)
351: printf("%s - %s\n", res[i].names,
352: res[i].output == NULL ? "" :
353: res[i].output);
354: else if (outmode == OUTMODE_ONE) {
355: /* Search for the best section. */
356: isec = strcspn(res[i].file, "123456789");
357: sec = res[i].file[isec];
358: if ('\0' == sec)
359: continue;
360: prio = sec_prios[sec - '1'];
361: if (prio >= best_prio)
362: continue;
363: best_prio = prio;
364: resp = res + i;
365: }
1.1 kristaps 366: }
367:
1.95 schwarze 368: /*
369: * For man(1), -a and -i output mode, fall through
370: * to the main mandoc(1) code iterating files
371: * and running the parsers on each of them.
372: */
373:
374: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
375: goto out;
376: }
377:
378: /* mandoc(1) */
379:
1.115 schwarze 380: if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
1.95 schwarze 381: return((int)MANDOCLEVEL_BADARG);
382:
1.102 schwarze 383: curp.mchars = mchars_alloc();
384: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
385: curp.mchars, defos);
1.76 schwarze 386:
1.80 schwarze 387: /*
388: * Conditionally start up the lookaside buffer before parsing.
389: */
390: if (OUTT_MAN == curp.outtype)
391: mparse_keep(curp.mp);
392:
1.118 schwarze 393: if (argc == 0) {
394: if (use_pager && isatty(STDOUT_FILENO))
395: spawn_pager();
1.76 schwarze 396: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.118 schwarze 397: }
1.27 schwarze 398:
1.95 schwarze 399: while (argc) {
1.120 schwarze 400: rctmp = mparse_open(curp.mp, &fd,
1.118 schwarze 401: resp != NULL ? resp->file : *argv);
1.120 schwarze 402: if (rc < rctmp)
403: rc = rctmp;
1.118 schwarze 404:
405: if (fd != -1) {
406: if (use_pager && isatty(STDOUT_FILENO))
407: spawn_pager();
408: use_pager = 0;
409:
410: if (resp == NULL)
411: parse(&curp, fd, *argv, &rc);
1.100 schwarze 412: else if (resp->form & FORM_SRC) {
1.97 schwarze 413: /* For .so only; ignore failure. */
414: chdir(paths.paths[resp->ipath]);
1.100 schwarze 415: parse(&curp, fd, resp->file, &rc);
1.120 schwarze 416: } else {
417: rctmp = passthrough(resp->file, fd,
1.105 schwarze 418: synopsis_only);
1.120 schwarze 419: if (rc < rctmp)
420: rc = rctmp;
421: }
1.118 schwarze 422:
1.120 schwarze 423: rctmp = mparse_wait(curp.mp);
424: if (rc < rctmp)
425: rc = rctmp;
1.118 schwarze 426:
427: if (argc > 1 && curp.outtype <= OUTT_UTF8)
428: ascii_sepline(curp.outdata);
1.100 schwarze 429: }
430:
1.76 schwarze 431: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 432: break;
1.116 schwarze 433:
1.118 schwarze 434: if (resp != NULL)
435: resp++;
436: else
437: argv++;
438: if (--argc)
439: mparse_reset(curp.mp);
1.1 kristaps 440: }
441:
442: if (curp.outfree)
443: (*curp.outfree)(curp.outdata);
1.102 schwarze 444: mparse_free(curp.mp);
445: mchars_free(curp.mchars);
1.95 schwarze 446:
447: out:
448: if (search.argmode != ARG_FILE) {
1.97 schwarze 449: manpath_free(&paths);
1.95 schwarze 450: mansearch_free(res, sz);
451: mansearch_setup(0);
452: }
453:
1.83 schwarze 454: free(defos);
1.1 kristaps 455:
1.76 schwarze 456: return((int)rc);
1.1 kristaps 457: }
458:
1.20 schwarze 459: static void
1.3 schwarze 460: version(void)
461: {
462:
1.95 schwarze 463: printf("mandoc %s\n", VERSION);
1.47 schwarze 464: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 465: }
466:
1.20 schwarze 467: static void
1.95 schwarze 468: usage(enum argmode argmode)
1.1 kristaps 469: {
470:
1.95 schwarze 471: switch (argmode) {
472: case ARG_FILE:
1.98 schwarze 473: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 jmc 474: "[-Kencoding] [-mformat] [-Ooption]\n"
475: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 476: break;
477: case ARG_NAME:
1.114 jmc 478: fputs("usage: man [-acfhklVw] [-C file] [-I os=name] "
479: "[-K encoding] [-M path] [-m path]\n"
480: "\t [-O option=value] [-S subsection] [-s section] "
481: "[-T output] [-W level]\n"
1.95 schwarze 482: "\t [section] name ...\n", stderr);
483: break;
484: case ARG_WORD:
1.98 schwarze 485: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 486: "[-M path] [-m path] [-O outkey] [-S arch]\n"
487: "\t [-s section] name ...\n", stderr);
1.95 schwarze 488: break;
489: case ARG_EXPR:
1.98 schwarze 490: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 491: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 492: "\t [-s section] expression ...\n", stderr);
493: break;
494: }
1.47 schwarze 495: exit((int)MANDOCLEVEL_BADARG);
1.119 schwarze 496: }
497:
498: static int
499: fs_lookup(const struct manpaths *paths, size_t ipath,
500: const char *sec, const char *arch, const char *name,
501: struct manpage **res, size_t *ressz)
502: {
503: struct manpage *page;
504: char *file;
505: int form;
506:
507: mandoc_asprintf(&file, "%s/man%s/%s.%s",
508: paths->paths[ipath], sec, name, sec);
509: if (access(file, R_OK) != -1) {
510: form = FORM_SRC;
511: goto found;
512: }
513: free(file);
514:
515: mandoc_asprintf(&file, "%s/cat%s/%s.0",
516: paths->paths[ipath], sec, name);
517: if (access(file, R_OK) != -1) {
518: form = FORM_CAT;
519: goto found;
520: }
521: free(file);
522:
523: if (arch != NULL) {
524: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
525: paths->paths[ipath], sec, arch, name, sec);
526: if (access(file, R_OK) != -1) {
527: form = FORM_SRC;
528: goto found;
529: }
530: free(file);
531: }
532: return(0);
533:
534: found:
535: fprintf(stderr, "%s: outdated mandoc.db lacks %s(%s) entry,\n"
536: " consider running # makewhatis %s\n",
537: progname, name, sec, paths->paths[ipath]);
538:
539: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
540: page = *res + (*ressz - 1);
541: page->file = file;
542: page->names = NULL;
543: page->output = NULL;
544: page->ipath = ipath;
545: page->bits = NAME_FILE & NAME_MASK;
546: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
547: page->form = form;
548: return(1);
549: }
550:
551: static void
552: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
553: int argc, char **argv, struct manpage **res, size_t *ressz)
554: {
555: const char *const sections[] =
556: {"1", "8", "6", "2", "3", "3p", "5", "7", "4", "9"};
557: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
558:
559: size_t ipath, isec, lastsz;
560:
561: assert(cfg->argmode == ARG_NAME);
562:
563: *res = NULL;
564: *ressz = lastsz = 0;
565: while (argc) {
566: for (ipath = 0; ipath < paths->sz; ipath++) {
567: if (cfg->sec != NULL) {
568: if (fs_lookup(paths, ipath, cfg->sec,
569: cfg->arch, *argv, res, ressz) &&
570: cfg->firstmatch)
571: return;
572: } else for (isec = 0; isec < nsec; isec++)
573: if (fs_lookup(paths, ipath, sections[isec],
574: cfg->arch, *argv, res, ressz) &&
575: cfg->firstmatch)
576: return;
577: }
578: if (*ressz == lastsz)
579: fprintf(stderr,
580: "%s: No entry for %s in the manual.\n",
581: progname, *argv);
582: lastsz = *ressz;
583: argv++;
584: argc--;
585: }
1.1 kristaps 586: }
587:
1.27 schwarze 588: static void
1.90 schwarze 589: parse(struct curparse *curp, int fd, const char *file,
590: enum mandoclevel *level)
1.52 schwarze 591: {
1.76 schwarze 592: enum mandoclevel rc;
593: struct mdoc *mdoc;
594: struct man *man;
1.52 schwarze 595:
1.76 schwarze 596: /* Begin by parsing the file itself. */
1.52 schwarze 597:
1.76 schwarze 598: assert(file);
599: assert(fd >= -1);
1.52 schwarze 600:
1.76 schwarze 601: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 602:
1.51 schwarze 603: /*
1.76 schwarze 604: * With -Wstop and warnings or errors of at least the requested
605: * level, do not produce output.
1.51 schwarze 606: */
607:
1.76 schwarze 608: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 609: goto cleanup;
610:
611: /* If unset, allocate output dev now (if applicable). */
612:
613: if ( ! (curp->outman && curp->outmdoc)) {
614: switch (curp->outtype) {
1.90 schwarze 615: case OUTT_HTML:
1.102 schwarze 616: curp->outdata = html_alloc(curp->mchars,
617: curp->outopts);
1.77 schwarze 618: curp->outfree = html_free;
619: break;
1.90 schwarze 620: case OUTT_UTF8:
1.102 schwarze 621: curp->outdata = utf8_alloc(curp->mchars,
622: curp->outopts);
1.77 schwarze 623: curp->outfree = ascii_free;
624: break;
1.90 schwarze 625: case OUTT_LOCALE:
1.102 schwarze 626: curp->outdata = locale_alloc(curp->mchars,
627: curp->outopts);
1.77 schwarze 628: curp->outfree = ascii_free;
1.51 schwarze 629: break;
1.90 schwarze 630: case OUTT_ASCII:
1.102 schwarze 631: curp->outdata = ascii_alloc(curp->mchars,
632: curp->outopts);
1.51 schwarze 633: curp->outfree = ascii_free;
634: break;
1.90 schwarze 635: case OUTT_PDF:
1.102 schwarze 636: curp->outdata = pdf_alloc(curp->mchars,
637: curp->outopts);
1.51 schwarze 638: curp->outfree = pspdf_free;
639: break;
1.90 schwarze 640: case OUTT_PS:
1.102 schwarze 641: curp->outdata = ps_alloc(curp->mchars,
642: curp->outopts);
1.51 schwarze 643: curp->outfree = pspdf_free;
644: break;
645: default:
646: break;
647: }
648:
649: switch (curp->outtype) {
1.90 schwarze 650: case OUTT_HTML:
1.51 schwarze 651: curp->outman = html_man;
652: curp->outmdoc = html_mdoc;
653: break;
1.90 schwarze 654: case OUTT_TREE:
1.51 schwarze 655: curp->outman = tree_man;
656: curp->outmdoc = tree_mdoc;
657: break;
1.90 schwarze 658: case OUTT_MAN:
1.78 schwarze 659: curp->outmdoc = man_mdoc;
1.80 schwarze 660: curp->outman = man_man;
1.78 schwarze 661: break;
1.90 schwarze 662: case OUTT_PDF:
1.51 schwarze 663: /* FALLTHROUGH */
1.90 schwarze 664: case OUTT_ASCII:
1.51 schwarze 665: /* FALLTHROUGH */
1.90 schwarze 666: case OUTT_UTF8:
1.77 schwarze 667: /* FALLTHROUGH */
1.90 schwarze 668: case OUTT_LOCALE:
1.77 schwarze 669: /* FALLTHROUGH */
1.90 schwarze 670: case OUTT_PS:
1.51 schwarze 671: curp->outman = terminal_man;
672: curp->outmdoc = terminal_mdoc;
673: break;
674: default:
675: break;
676: }
677: }
678:
1.88 schwarze 679: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 680:
1.51 schwarze 681: /* Execute the out device, if it exists. */
682:
1.76 schwarze 683: if (man && curp->outman)
684: (*curp->outman)(curp->outdata, man);
685: if (mdoc && curp->outmdoc)
686: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 687:
1.118 schwarze 688: cleanup:
1.76 schwarze 689: if (*level < rc)
690: *level = rc;
1.1 kristaps 691: }
692:
1.95 schwarze 693: static enum mandoclevel
1.105 schwarze 694: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 695: {
1.105 schwarze 696: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
697: const char synr[] = "SYNOPSIS";
698:
699: FILE *stream;
1.95 schwarze 700: const char *syscall;
1.105 schwarze 701: char *line;
702: size_t len, off;
703: ssize_t nw;
704: int print;
1.116 schwarze 705:
706: fflush(stdout);
1.105 schwarze 707:
708: if ((stream = fdopen(fd, "r")) == NULL) {
709: close(fd);
710: syscall = "fdopen";
711: goto fail;
712: }
1.95 schwarze 713:
1.105 schwarze 714: print = 0;
715: while ((line = fgetln(stream, &len)) != NULL) {
716: if (synopsis_only) {
717: if (print) {
718: if ( ! isspace((unsigned char)*line))
719: goto done;
720: while (len &&
721: isspace((unsigned char)*line)) {
722: line++;
723: len--;
724: }
725: } else {
726: if ((len == sizeof(synb) &&
727: ! strncmp(line, synb, len - 1)) ||
728: (len == sizeof(synr) &&
729: ! strncmp(line, synr, len - 1)))
730: print = 1;
731: continue;
732: }
733: }
734: for (off = 0; off < len; off += nw)
735: if ((nw = write(STDOUT_FILENO, line + off,
736: len - off)) == -1 || nw == 0) {
737: fclose(stream);
1.95 schwarze 738: syscall = "write";
739: goto fail;
740: }
1.105 schwarze 741: }
1.95 schwarze 742:
1.105 schwarze 743: if (ferror(stream)) {
744: fclose(stream);
745: syscall = "fgetln";
746: goto fail;
747: }
1.101 schwarze 748:
1.105 schwarze 749: done:
750: fclose(stream);
751: return(MANDOCLEVEL_OK);
1.95 schwarze 752:
753: fail:
754: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
755: progname, file, syscall, strerror(errno));
756: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 757: }
758:
759: static int
760: koptions(int *options, char *arg)
761: {
762:
763: if ( ! strcmp(arg, "utf-8")) {
764: *options |= MPARSE_UTF8;
765: *options &= ~MPARSE_LATIN1;
766: } else if ( ! strcmp(arg, "iso-8859-1")) {
767: *options |= MPARSE_LATIN1;
768: *options &= ~MPARSE_UTF8;
769: } else if ( ! strcmp(arg, "us-ascii")) {
770: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
771: } else {
1.115 schwarze 772: fprintf(stderr, "%s: -K %s: Bad argument\n",
1.103 schwarze 773: progname, arg);
774: return(0);
775: }
776: return(1);
1.95 schwarze 777: }
778:
1.1 kristaps 779: static int
1.87 schwarze 780: moptions(int *options, char *arg)
1.1 kristaps 781: {
782:
1.95 schwarze 783: if (arg == NULL)
784: /* nothing to do */;
785: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 786: *options |= MPARSE_MDOC;
1.1 kristaps 787: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 788: /* nothing to do */;
1.1 kristaps 789: else if (0 == strcmp(arg, "an"))
1.87 schwarze 790: *options |= MPARSE_MAN;
1.1 kristaps 791: else {
1.115 schwarze 792: fprintf(stderr, "%s: -m %s: Bad argument\n",
1.93 schwarze 793: progname, arg);
1.1 kristaps 794: return(0);
795: }
796:
797: return(1);
798: }
799:
800: static int
1.22 schwarze 801: toptions(struct curparse *curp, char *arg)
1.1 kristaps 802: {
803:
804: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 805: curp->outtype = OUTT_ASCII;
806: else if (0 == strcmp(arg, "lint")) {
807: curp->outtype = OUTT_LINT;
1.45 schwarze 808: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 809: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 810: curp->outtype = OUTT_TREE;
1.78 schwarze 811: else if (0 == strcmp(arg, "man"))
812: curp->outtype = OUTT_MAN;
1.17 schwarze 813: else if (0 == strcmp(arg, "html"))
1.22 schwarze 814: curp->outtype = OUTT_HTML;
1.77 schwarze 815: else if (0 == strcmp(arg, "utf8"))
816: curp->outtype = OUTT_UTF8;
817: else if (0 == strcmp(arg, "locale"))
818: curp->outtype = OUTT_LOCALE;
1.21 schwarze 819: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 820: curp->outtype = OUTT_HTML;
1.36 schwarze 821: else if (0 == strcmp(arg, "ps"))
822: curp->outtype = OUTT_PS;
1.43 schwarze 823: else if (0 == strcmp(arg, "pdf"))
824: curp->outtype = OUTT_PDF;
1.1 kristaps 825: else {
1.115 schwarze 826: fprintf(stderr, "%s: -T %s: Bad argument\n",
1.93 schwarze 827: progname, arg);
1.1 kristaps 828: return(0);
829: }
830:
831: return(1);
832: }
833:
834: static int
1.45 schwarze 835: woptions(struct curparse *curp, char *arg)
1.1 kristaps 836: {
1.10 schwarze 837: char *v, *o;
1.90 schwarze 838: const char *toks[6];
1.1 kristaps 839:
1.45 schwarze 840: toks[0] = "stop";
841: toks[1] = "all";
842: toks[2] = "warning";
843: toks[3] = "error";
844: toks[4] = "fatal";
845: toks[5] = NULL;
1.1 kristaps 846:
1.10 schwarze 847: while (*arg) {
848: o = arg;
1.17 schwarze 849: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 850: case 0:
1.45 schwarze 851: curp->wstop = 1;
1.1 kristaps 852: break;
1.90 schwarze 853: case 1:
1.45 schwarze 854: /* FALLTHROUGH */
1.90 schwarze 855: case 2:
1.45 schwarze 856: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 857: break;
1.90 schwarze 858: case 3:
1.45 schwarze 859: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 860: break;
1.90 schwarze 861: case 4:
1.121 ! schwarze 862: curp->wlevel = MANDOCLEVEL_BADARG;
1.19 schwarze 863: break;
1.1 kristaps 864: default:
1.115 schwarze 865: fprintf(stderr, "%s: -W %s: Bad argument\n",
1.93 schwarze 866: progname, o);
1.1 kristaps 867: return(0);
868: }
1.10 schwarze 869: }
1.1 kristaps 870:
871: return(1);
872: }
873:
1.75 schwarze 874: static void
1.90 schwarze 875: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 876: const char *file, int line, int col, const char *msg)
1.30 schwarze 877: {
1.94 schwarze 878: const char *mparse_msg;
1.45 schwarze 879:
1.92 schwarze 880: fprintf(stderr, "%s: %s:", progname, file);
881:
882: if (line)
883: fprintf(stderr, "%d:%d:", line, col + 1);
884:
1.94 schwarze 885: fprintf(stderr, " %s", mparse_strlevel(lvl));
886:
887: if (NULL != (mparse_msg = mparse_strerror(t)))
888: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 889:
890: if (msg)
891: fprintf(stderr, ": %s", msg);
1.76 schwarze 892:
1.30 schwarze 893: fputc('\n', stderr);
1.95 schwarze 894: }
895:
896: static void
897: spawn_pager(void)
898: {
899: #define MAX_PAGER_ARGS 16
900: char *argv[MAX_PAGER_ARGS];
901: const char *pager;
902: char *cp;
903: int fildes[2];
904: int argc;
905:
906: if (pipe(fildes) == -1) {
907: fprintf(stderr, "%s: pipe: %s\n",
908: progname, strerror(errno));
909: return;
910: }
911:
912: switch (fork()) {
913: case -1:
914: fprintf(stderr, "%s: fork: %s\n",
915: progname, strerror(errno));
916: exit((int)MANDOCLEVEL_SYSERR);
917: case 0:
918: close(fildes[0]);
919: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
920: fprintf(stderr, "%s: dup output: %s\n",
921: progname, strerror(errno));
922: exit((int)MANDOCLEVEL_SYSERR);
923: }
924: return;
925: default:
926: break;
927: }
928:
929: /* The original process becomes the pager. */
930:
931: close(fildes[1]);
932: if (dup2(fildes[0], STDIN_FILENO) == -1) {
933: fprintf(stderr, "%s: dup input: %s\n",
934: progname, strerror(errno));
935: exit((int)MANDOCLEVEL_SYSERR);
936: }
937:
938: pager = getenv("MANPAGER");
939: if (pager == NULL || *pager == '\0')
940: pager = getenv("PAGER");
941: if (pager == NULL || *pager == '\0')
942: pager = "/usr/bin/more -s";
943: cp = mandoc_strdup(pager);
944:
945: /*
946: * Parse the pager command into words.
947: * Intentionally do not do anything fancy here.
948: */
949:
950: argc = 0;
951: while (argc + 1 < MAX_PAGER_ARGS) {
952: argv[argc++] = cp;
953: cp = strchr(cp, ' ');
954: if (cp == NULL)
955: break;
956: *cp++ = '\0';
957: while (*cp == ' ')
958: cp++;
959: if (*cp == '\0')
960: break;
961: }
962: argv[argc] = NULL;
963:
964: /* Hand over to the pager. */
965:
966: execvp(argv[0], argv);
967: fprintf(stderr, "%s: exec: %s\n",
968: progname, strerror(errno));
969: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 970: }
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