Annotation of src/usr.bin/mandoc/main.c, Revision 1.126
1.126 ! schwarze 1: /* $OpenBSD: main.c,v 1.125 2015/02/10 08:05:07 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>
1.122 schwarze 21: #include <sys/param.h> /* MACHINE */
1.95 schwarze 22:
1.1 kristaps 23: #include <assert.h>
1.95 schwarze 24: #include <ctype.h>
25: #include <errno.h>
26: #include <fcntl.h>
1.1 kristaps 27: #include <stdio.h>
1.17 schwarze 28: #include <stdint.h>
1.1 kristaps 29: #include <stdlib.h>
30: #include <string.h>
31: #include <unistd.h>
32:
1.30 schwarze 33: #include "mandoc.h"
1.89 schwarze 34: #include "mandoc_aux.h"
1.38 schwarze 35: #include "main.h"
1.1 kristaps 36: #include "mdoc.h"
37: #include "man.h"
1.95 schwarze 38: #include "manpath.h"
39: #include "mansearch.h"
40:
41: enum outmode {
42: OUTMODE_DEF = 0,
43: OUTMODE_FLN,
44: OUTMODE_LST,
45: OUTMODE_ALL,
46: OUTMODE_INT,
47: OUTMODE_ONE
48: };
1.1 kristaps 49:
1.16 schwarze 50: typedef void (*out_mdoc)(void *, const struct mdoc *);
51: typedef void (*out_man)(void *, const struct man *);
1.1 kristaps 52: typedef void (*out_free)(void *);
53:
54: enum outt {
1.76 schwarze 55: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 56: OUTT_LOCALE, /* -Tlocale */
57: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 58: OUTT_TREE, /* -Ttree */
1.78 schwarze 59: OUTT_MAN, /* -Tman */
1.76 schwarze 60: OUTT_HTML, /* -Thtml */
61: OUTT_LINT, /* -Tlint */
62: OUTT_PS, /* -Tps */
63: OUTT_PDF /* -Tpdf */
1.1 kristaps 64: };
65:
66: struct curparse {
1.76 schwarze 67: struct mparse *mp;
1.102 schwarze 68: struct mchars *mchars; /* character table */
1.75 schwarze 69: enum mandoclevel wlevel; /* ignore messages below this */
70: int wstop; /* stop after a file with a warning */
1.90 schwarze 71: enum outt outtype; /* which output to use */
1.33 schwarze 72: out_mdoc outmdoc; /* mdoc output ptr */
1.90 schwarze 73: out_man outman; /* man output ptr */
1.33 schwarze 74: out_free outfree; /* free output ptr */
75: void *outdata; /* data for output */
76: char outopts[BUFSIZ]; /* buf of output opts */
77: };
78:
1.119 schwarze 79: static int fs_lookup(const struct manpaths *,
80: size_t ipath, const char *,
81: const char *, const char *,
82: struct manpage **, size_t *);
83: static void fs_search(const struct mansearch *,
84: const struct manpaths *, int, char**,
85: struct manpage **, size_t *);
1.103 schwarze 86: static int koptions(int *, char *);
1.79 schwarze 87: int mandocdb(int, char**);
1.87 schwarze 88: static int moptions(int *, char *);
1.76 schwarze 89: static void mmsg(enum mandocerr, enum mandoclevel,
90: const char *, int, int, const char *);
1.90 schwarze 91: static void parse(struct curparse *, int,
1.76 schwarze 92: const char *, enum mandoclevel *);
1.105 schwarze 93: static enum mandoclevel passthrough(const char *, int, int);
1.95 schwarze 94: static void spawn_pager(void);
1.27 schwarze 95: static int toptions(struct curparse *, char *);
1.95 schwarze 96: static void usage(enum argmode) __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:
1.124 schwarze 127: if (argc < 1)
128: progname = "mandoc";
129: else if ((progname = strrchr(argv[0], '/')) == NULL)
1.19 schwarze 130: progname = argv[0];
131: else
132: ++progname;
1.79 schwarze 133:
1.82 schwarze 134: if (0 == strncmp(progname, "mandocdb", 8) ||
135: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 136: return(mandocdb(argc, argv));
1.19 schwarze 137:
1.95 schwarze 138: /* Search options. */
139:
140: memset(&paths, 0, sizeof(struct manpaths));
1.111 schwarze 141: conf_file = defpaths = NULL;
142: auxpaths = NULL;
1.95 schwarze 143:
144: memset(&search, 0, sizeof(struct mansearch));
145: search.outkey = "Nd";
146:
147: if (strcmp(progname, "man") == 0)
148: search.argmode = ARG_NAME;
149: else if (strncmp(progname, "apropos", 7) == 0)
150: search.argmode = ARG_EXPR;
151: else if (strncmp(progname, "whatis", 6) == 0)
152: search.argmode = ARG_WORD;
1.110 schwarze 153: else if (strncmp(progname, "help", 4) == 0)
154: search.argmode = ARG_NAME;
1.95 schwarze 155: else
156: search.argmode = ARG_FILE;
157:
158: /* Parser and formatter options. */
159:
1.19 schwarze 160: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 161: curp.outtype = OUTT_LOCALE;
1.121 schwarze 162: curp.wlevel = MANDOCLEVEL_BADARG;
1.103 schwarze 163: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 164: defos = NULL;
1.1 kristaps 165:
1.95 schwarze 166: use_pager = 1;
167: show_usage = 0;
1.105 schwarze 168: synopsis_only = 0;
1.95 schwarze 169: outmode = OUTMODE_DEF;
170:
1.103 schwarze 171: while (-1 != (c = getopt(argc, argv,
172: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 173: switch (c) {
1.95 schwarze 174: case 'a':
175: outmode = OUTMODE_ALL;
176: break;
177: case 'C':
178: conf_file = optarg;
179: break;
180: case 'c':
181: use_pager = 0;
182: break;
183: case 'f':
184: search.argmode = ARG_WORD;
185: break;
1.98 schwarze 186: case 'h':
187: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 188: synopsis_only = 1;
1.106 schwarze 189: use_pager = 0;
1.98 schwarze 190: outmode = OUTMODE_ALL;
191: break;
1.90 schwarze 192: case 'I':
1.83 schwarze 193: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 194: fprintf(stderr,
1.115 schwarze 195: "%s: -I %s: Bad argument\n",
1.93 schwarze 196: progname, optarg);
1.83 schwarze 197: return((int)MANDOCLEVEL_BADARG);
198: }
199: if (defos) {
1.90 schwarze 200: fprintf(stderr,
1.115 schwarze 201: "%s: -I %s: Duplicate argument\n",
1.93 schwarze 202: progname, optarg);
1.83 schwarze 203: return((int)MANDOCLEVEL_BADARG);
204: }
205: defos = mandoc_strdup(optarg + 3);
206: break;
1.95 schwarze 207: case 'i':
208: outmode = OUTMODE_INT;
209: break;
1.103 schwarze 210: case 'K':
211: if ( ! koptions(&options, optarg))
212: return((int)MANDOCLEVEL_BADARG);
213: break;
1.95 schwarze 214: case 'k':
215: search.argmode = ARG_EXPR;
216: break;
1.96 schwarze 217: case 'l':
218: search.argmode = ARG_FILE;
219: outmode = OUTMODE_ALL;
220: break;
1.95 schwarze 221: case 'M':
222: defpaths = optarg;
223: break;
1.90 schwarze 224: case 'm':
1.95 schwarze 225: auxpaths = optarg;
1.1 kristaps 226: break;
1.90 schwarze 227: case 'O':
1.95 schwarze 228: search.outkey = optarg;
1.18 schwarze 229: (void)strlcat(curp.outopts, optarg, BUFSIZ);
230: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 231: break;
1.95 schwarze 232: case 'S':
233: search.arch = optarg;
234: break;
235: case 's':
236: search.sec = optarg;
237: break;
1.90 schwarze 238: case 'T':
1.22 schwarze 239: if ( ! toptions(&curp, optarg))
1.47 schwarze 240: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 241: break;
1.90 schwarze 242: case 'W':
1.45 schwarze 243: if ( ! woptions(&curp, optarg))
1.47 schwarze 244: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 245: break;
1.95 schwarze 246: case 'w':
247: outmode = OUTMODE_FLN;
248: break;
1.1 kristaps 249: default:
1.95 schwarze 250: show_usage = 1;
251: break;
252: }
253: }
254:
255: if (show_usage)
256: usage(search.argmode);
257:
258: /* Postprocess options. */
259:
260: if (outmode == OUTMODE_DEF) {
261: switch (search.argmode) {
262: case ARG_FILE:
263: outmode = OUTMODE_ALL;
264: use_pager = 0;
265: break;
266: case ARG_NAME:
267: outmode = OUTMODE_ONE;
268: break;
269: default:
270: outmode = OUTMODE_LST;
271: break;
272: }
273: }
274:
275: /* Parse arguments. */
276:
1.124 schwarze 277: if (argc > 0) {
278: argc -= optind;
279: argv += optind;
280: }
1.95 schwarze 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: }
1.122 schwarze 303: if (search.arch == NULL)
304: search.arch = getenv("MACHINE");
305: if (search.arch == NULL)
306: search.arch = MACHINE;
1.95 schwarze 307: }
308:
309: rc = MANDOCLEVEL_OK;
310:
311: /* man(1), whatis(1), apropos(1) */
312:
313: if (search.argmode != ARG_FILE) {
314: if (argc == 0)
315: usage(search.argmode);
1.107 schwarze 316:
317: if (search.argmode == ARG_NAME &&
318: outmode == OUTMODE_ONE)
319: search.firstmatch = 1;
1.95 schwarze 320:
321: /* Access the mandoc database. */
322:
323: manpath_parse(&paths, conf_file, defpaths, auxpaths);
324: mansearch_setup(1);
325: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
326: usage(search.argmode);
1.119 schwarze 327:
328: if (sz == 0 && search.argmode == ARG_NAME)
329: fs_search(&search, &paths, argc, argv, &res, &sz);
1.95 schwarze 330:
331: if (sz == 0) {
332: rc = MANDOCLEVEL_BADARG;
333: goto out;
334: }
335:
336: /*
337: * For standard man(1) and -a output mode,
338: * prepare for copying filename pointers
339: * into the program parameter array.
340: */
341:
342: if (outmode == OUTMODE_ONE) {
343: argc = 1;
344: best_prio = 10;
345: } else if (outmode == OUTMODE_ALL)
346: argc = (int)sz;
347:
348: /* Iterate all matching manuals. */
349:
1.119 schwarze 350: resp = res;
1.95 schwarze 351: for (i = 0; i < sz; i++) {
352: if (outmode == OUTMODE_FLN)
353: puts(res[i].file);
354: else if (outmode == OUTMODE_LST)
355: printf("%s - %s\n", res[i].names,
356: res[i].output == NULL ? "" :
357: res[i].output);
358: else if (outmode == OUTMODE_ONE) {
359: /* Search for the best section. */
360: isec = strcspn(res[i].file, "123456789");
361: sec = res[i].file[isec];
362: if ('\0' == sec)
363: continue;
364: prio = sec_prios[sec - '1'];
365: if (prio >= best_prio)
366: continue;
367: best_prio = prio;
368: resp = res + i;
369: }
1.1 kristaps 370: }
371:
1.95 schwarze 372: /*
373: * For man(1), -a and -i output mode, fall through
374: * to the main mandoc(1) code iterating files
375: * and running the parsers on each of them.
376: */
377:
378: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
379: goto out;
380: }
381:
382: /* mandoc(1) */
383:
1.115 schwarze 384: if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
1.95 schwarze 385: return((int)MANDOCLEVEL_BADARG);
386:
1.102 schwarze 387: curp.mchars = mchars_alloc();
388: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
389: curp.mchars, defos);
1.76 schwarze 390:
1.80 schwarze 391: /*
392: * Conditionally start up the lookaside buffer before parsing.
393: */
394: if (OUTT_MAN == curp.outtype)
395: mparse_keep(curp.mp);
396:
1.124 schwarze 397: if (argc < 1) {
1.118 schwarze 398: if (use_pager && isatty(STDOUT_FILENO))
399: spawn_pager();
1.76 schwarze 400: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.118 schwarze 401: }
1.27 schwarze 402:
1.124 schwarze 403: while (argc > 0) {
1.120 schwarze 404: rctmp = mparse_open(curp.mp, &fd,
1.118 schwarze 405: resp != NULL ? resp->file : *argv);
1.120 schwarze 406: if (rc < rctmp)
407: rc = rctmp;
1.118 schwarze 408:
409: if (fd != -1) {
410: if (use_pager && isatty(STDOUT_FILENO))
411: spawn_pager();
412: use_pager = 0;
413:
414: if (resp == NULL)
415: parse(&curp, fd, *argv, &rc);
1.100 schwarze 416: else if (resp->form & FORM_SRC) {
1.97 schwarze 417: /* For .so only; ignore failure. */
418: chdir(paths.paths[resp->ipath]);
1.100 schwarze 419: parse(&curp, fd, resp->file, &rc);
1.120 schwarze 420: } else {
421: rctmp = passthrough(resp->file, fd,
1.105 schwarze 422: synopsis_only);
1.120 schwarze 423: if (rc < rctmp)
424: rc = rctmp;
425: }
1.118 schwarze 426:
1.120 schwarze 427: rctmp = mparse_wait(curp.mp);
428: if (rc < rctmp)
429: rc = rctmp;
1.118 schwarze 430:
431: if (argc > 1 && curp.outtype <= OUTT_UTF8)
432: ascii_sepline(curp.outdata);
1.100 schwarze 433: }
434:
1.76 schwarze 435: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 436: break;
1.116 schwarze 437:
1.118 schwarze 438: if (resp != NULL)
439: resp++;
440: else
441: argv++;
442: if (--argc)
443: mparse_reset(curp.mp);
1.1 kristaps 444: }
445:
446: if (curp.outfree)
447: (*curp.outfree)(curp.outdata);
1.102 schwarze 448: mparse_free(curp.mp);
449: mchars_free(curp.mchars);
1.95 schwarze 450:
451: out:
452: if (search.argmode != ARG_FILE) {
1.97 schwarze 453: manpath_free(&paths);
1.95 schwarze 454: mansearch_free(res, sz);
455: mansearch_setup(0);
456: }
457:
1.83 schwarze 458: free(defos);
1.1 kristaps 459:
1.76 schwarze 460: return((int)rc);
1.1 kristaps 461: }
462:
1.20 schwarze 463: static void
1.95 schwarze 464: usage(enum argmode argmode)
1.1 kristaps 465: {
466:
1.95 schwarze 467: switch (argmode) {
468: case ARG_FILE:
1.126 ! schwarze 469: fputs("usage: mandoc [-acfhkl] [-Ios=name] "
1.104 jmc 470: "[-Kencoding] [-mformat] [-Ooption]\n"
471: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 472: break;
473: case ARG_NAME:
1.126 ! schwarze 474: fputs("usage: man [-acfhklw] [-C file] [-I os=name] "
1.114 jmc 475: "[-K encoding] [-M path] [-m path]\n"
476: "\t [-O option=value] [-S subsection] [-s section] "
477: "[-T output] [-W level]\n"
1.95 schwarze 478: "\t [section] name ...\n", stderr);
479: break;
480: case ARG_WORD:
1.126 ! schwarze 481: fputs("usage: whatis [-acfhklw] [-C file] "
1.96 schwarze 482: "[-M path] [-m path] [-O outkey] [-S arch]\n"
483: "\t [-s section] name ...\n", stderr);
1.95 schwarze 484: break;
485: case ARG_EXPR:
1.126 ! schwarze 486: fputs("usage: apropos [-acfhklw] [-C file] "
1.96 schwarze 487: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 488: "\t [-s section] expression ...\n", stderr);
489: break;
490: }
1.47 schwarze 491: exit((int)MANDOCLEVEL_BADARG);
1.119 schwarze 492: }
493:
494: static int
495: fs_lookup(const struct manpaths *paths, size_t ipath,
496: const char *sec, const char *arch, const char *name,
497: struct manpage **res, size_t *ressz)
498: {
499: struct manpage *page;
500: char *file;
501: int form;
502:
503: mandoc_asprintf(&file, "%s/man%s/%s.%s",
504: paths->paths[ipath], sec, name, sec);
505: if (access(file, R_OK) != -1) {
506: form = FORM_SRC;
507: goto found;
508: }
509: free(file);
510:
511: mandoc_asprintf(&file, "%s/cat%s/%s.0",
512: paths->paths[ipath], sec, name);
513: if (access(file, R_OK) != -1) {
514: form = FORM_CAT;
515: goto found;
516: }
517: free(file);
518:
519: if (arch != NULL) {
520: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
521: paths->paths[ipath], sec, arch, name, sec);
522: if (access(file, R_OK) != -1) {
523: form = FORM_SRC;
524: goto found;
525: }
526: free(file);
527: }
528: return(0);
529:
530: found:
531: fprintf(stderr, "%s: outdated mandoc.db lacks %s(%s) entry,\n"
532: " consider running # makewhatis %s\n",
533: progname, name, sec, paths->paths[ipath]);
1.125 schwarze 534:
1.119 schwarze 535: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
536: page = *res + (*ressz - 1);
537: page->file = file;
538: page->names = NULL;
539: page->output = NULL;
540: page->ipath = ipath;
541: page->bits = NAME_FILE & NAME_MASK;
542: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
543: page->form = form;
544: return(1);
545: }
546:
547: static void
548: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
549: int argc, char **argv, struct manpage **res, size_t *ressz)
550: {
551: const char *const sections[] =
552: {"1", "8", "6", "2", "3", "3p", "5", "7", "4", "9"};
553: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
554:
555: size_t ipath, isec, lastsz;
556:
557: assert(cfg->argmode == ARG_NAME);
558:
559: *res = NULL;
560: *ressz = lastsz = 0;
561: while (argc) {
562: for (ipath = 0; ipath < paths->sz; ipath++) {
563: if (cfg->sec != NULL) {
564: if (fs_lookup(paths, ipath, cfg->sec,
565: cfg->arch, *argv, res, ressz) &&
566: cfg->firstmatch)
567: return;
568: } else for (isec = 0; isec < nsec; isec++)
569: if (fs_lookup(paths, ipath, sections[isec],
570: cfg->arch, *argv, res, ressz) &&
571: cfg->firstmatch)
572: return;
573: }
574: if (*ressz == lastsz)
575: fprintf(stderr,
576: "%s: No entry for %s in the manual.\n",
577: progname, *argv);
578: lastsz = *ressz;
579: argv++;
580: argc--;
581: }
1.1 kristaps 582: }
583:
1.27 schwarze 584: static void
1.90 schwarze 585: parse(struct curparse *curp, int fd, const char *file,
586: enum mandoclevel *level)
1.52 schwarze 587: {
1.76 schwarze 588: enum mandoclevel rc;
589: struct mdoc *mdoc;
590: struct man *man;
1.52 schwarze 591:
1.76 schwarze 592: /* Begin by parsing the file itself. */
1.52 schwarze 593:
1.76 schwarze 594: assert(file);
595: assert(fd >= -1);
1.52 schwarze 596:
1.76 schwarze 597: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 598:
1.51 schwarze 599: /*
1.76 schwarze 600: * With -Wstop and warnings or errors of at least the requested
601: * level, do not produce output.
1.51 schwarze 602: */
603:
1.76 schwarze 604: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 605: goto cleanup;
606:
607: /* If unset, allocate output dev now (if applicable). */
608:
609: if ( ! (curp->outman && curp->outmdoc)) {
610: switch (curp->outtype) {
1.90 schwarze 611: case OUTT_HTML:
1.102 schwarze 612: curp->outdata = html_alloc(curp->mchars,
613: curp->outopts);
1.77 schwarze 614: curp->outfree = html_free;
615: break;
1.90 schwarze 616: case OUTT_UTF8:
1.102 schwarze 617: curp->outdata = utf8_alloc(curp->mchars,
618: curp->outopts);
1.77 schwarze 619: curp->outfree = ascii_free;
620: break;
1.90 schwarze 621: case OUTT_LOCALE:
1.102 schwarze 622: curp->outdata = locale_alloc(curp->mchars,
623: curp->outopts);
1.77 schwarze 624: curp->outfree = ascii_free;
1.51 schwarze 625: break;
1.90 schwarze 626: case OUTT_ASCII:
1.102 schwarze 627: curp->outdata = ascii_alloc(curp->mchars,
628: curp->outopts);
1.51 schwarze 629: curp->outfree = ascii_free;
630: break;
1.90 schwarze 631: case OUTT_PDF:
1.102 schwarze 632: curp->outdata = pdf_alloc(curp->mchars,
633: curp->outopts);
1.51 schwarze 634: curp->outfree = pspdf_free;
635: break;
1.90 schwarze 636: case OUTT_PS:
1.102 schwarze 637: curp->outdata = ps_alloc(curp->mchars,
638: curp->outopts);
1.51 schwarze 639: curp->outfree = pspdf_free;
640: break;
641: default:
642: break;
643: }
644:
645: switch (curp->outtype) {
1.90 schwarze 646: case OUTT_HTML:
1.51 schwarze 647: curp->outman = html_man;
648: curp->outmdoc = html_mdoc;
649: break;
1.90 schwarze 650: case OUTT_TREE:
1.51 schwarze 651: curp->outman = tree_man;
652: curp->outmdoc = tree_mdoc;
653: break;
1.90 schwarze 654: case OUTT_MAN:
1.78 schwarze 655: curp->outmdoc = man_mdoc;
1.80 schwarze 656: curp->outman = man_man;
1.78 schwarze 657: break;
1.90 schwarze 658: case OUTT_PDF:
1.51 schwarze 659: /* FALLTHROUGH */
1.90 schwarze 660: case OUTT_ASCII:
1.51 schwarze 661: /* FALLTHROUGH */
1.90 schwarze 662: case OUTT_UTF8:
1.77 schwarze 663: /* FALLTHROUGH */
1.90 schwarze 664: case OUTT_LOCALE:
1.77 schwarze 665: /* FALLTHROUGH */
1.90 schwarze 666: case OUTT_PS:
1.51 schwarze 667: curp->outman = terminal_man;
668: curp->outmdoc = terminal_mdoc;
669: break;
670: default:
671: break;
672: }
673: }
674:
1.88 schwarze 675: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 676:
1.51 schwarze 677: /* Execute the out device, if it exists. */
678:
1.76 schwarze 679: if (man && curp->outman)
680: (*curp->outman)(curp->outdata, man);
681: if (mdoc && curp->outmdoc)
682: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 683:
1.118 schwarze 684: cleanup:
1.76 schwarze 685: if (*level < rc)
686: *level = rc;
1.1 kristaps 687: }
688:
1.95 schwarze 689: static enum mandoclevel
1.105 schwarze 690: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 691: {
1.105 schwarze 692: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
693: const char synr[] = "SYNOPSIS";
694:
695: FILE *stream;
1.95 schwarze 696: const char *syscall;
1.105 schwarze 697: char *line;
698: size_t len, off;
699: ssize_t nw;
700: int print;
1.116 schwarze 701:
702: fflush(stdout);
1.105 schwarze 703:
704: if ((stream = fdopen(fd, "r")) == NULL) {
705: close(fd);
706: syscall = "fdopen";
707: goto fail;
708: }
1.95 schwarze 709:
1.105 schwarze 710: print = 0;
711: while ((line = fgetln(stream, &len)) != NULL) {
712: if (synopsis_only) {
713: if (print) {
714: if ( ! isspace((unsigned char)*line))
715: goto done;
716: while (len &&
717: isspace((unsigned char)*line)) {
718: line++;
719: len--;
720: }
721: } else {
722: if ((len == sizeof(synb) &&
723: ! strncmp(line, synb, len - 1)) ||
724: (len == sizeof(synr) &&
725: ! strncmp(line, synr, len - 1)))
726: print = 1;
727: continue;
728: }
729: }
730: for (off = 0; off < len; off += nw)
731: if ((nw = write(STDOUT_FILENO, line + off,
732: len - off)) == -1 || nw == 0) {
733: fclose(stream);
1.95 schwarze 734: syscall = "write";
735: goto fail;
736: }
1.105 schwarze 737: }
1.95 schwarze 738:
1.105 schwarze 739: if (ferror(stream)) {
740: fclose(stream);
741: syscall = "fgetln";
742: goto fail;
743: }
1.101 schwarze 744:
1.105 schwarze 745: done:
746: fclose(stream);
747: return(MANDOCLEVEL_OK);
1.95 schwarze 748:
749: fail:
750: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
751: progname, file, syscall, strerror(errno));
752: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 753: }
754:
755: static int
756: koptions(int *options, char *arg)
757: {
758:
759: if ( ! strcmp(arg, "utf-8")) {
760: *options |= MPARSE_UTF8;
761: *options &= ~MPARSE_LATIN1;
762: } else if ( ! strcmp(arg, "iso-8859-1")) {
763: *options |= MPARSE_LATIN1;
764: *options &= ~MPARSE_UTF8;
765: } else if ( ! strcmp(arg, "us-ascii")) {
766: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
767: } else {
1.115 schwarze 768: fprintf(stderr, "%s: -K %s: Bad argument\n",
1.103 schwarze 769: progname, arg);
770: return(0);
771: }
772: return(1);
1.95 schwarze 773: }
774:
1.1 kristaps 775: static int
1.87 schwarze 776: moptions(int *options, char *arg)
1.1 kristaps 777: {
778:
1.95 schwarze 779: if (arg == NULL)
780: /* nothing to do */;
781: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 782: *options |= MPARSE_MDOC;
1.1 kristaps 783: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 784: /* nothing to do */;
1.1 kristaps 785: else if (0 == strcmp(arg, "an"))
1.87 schwarze 786: *options |= MPARSE_MAN;
1.1 kristaps 787: else {
1.115 schwarze 788: fprintf(stderr, "%s: -m %s: Bad argument\n",
1.93 schwarze 789: progname, arg);
1.1 kristaps 790: return(0);
791: }
792:
793: return(1);
794: }
795:
796: static int
1.22 schwarze 797: toptions(struct curparse *curp, char *arg)
1.1 kristaps 798: {
799:
800: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 801: curp->outtype = OUTT_ASCII;
802: else if (0 == strcmp(arg, "lint")) {
803: curp->outtype = OUTT_LINT;
1.45 schwarze 804: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 805: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 806: curp->outtype = OUTT_TREE;
1.78 schwarze 807: else if (0 == strcmp(arg, "man"))
808: curp->outtype = OUTT_MAN;
1.17 schwarze 809: else if (0 == strcmp(arg, "html"))
1.22 schwarze 810: curp->outtype = OUTT_HTML;
1.77 schwarze 811: else if (0 == strcmp(arg, "utf8"))
812: curp->outtype = OUTT_UTF8;
813: else if (0 == strcmp(arg, "locale"))
814: curp->outtype = OUTT_LOCALE;
1.21 schwarze 815: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 816: curp->outtype = OUTT_HTML;
1.36 schwarze 817: else if (0 == strcmp(arg, "ps"))
818: curp->outtype = OUTT_PS;
1.43 schwarze 819: else if (0 == strcmp(arg, "pdf"))
820: curp->outtype = OUTT_PDF;
1.1 kristaps 821: else {
1.115 schwarze 822: fprintf(stderr, "%s: -T %s: Bad argument\n",
1.93 schwarze 823: progname, arg);
1.1 kristaps 824: return(0);
825: }
826:
827: return(1);
828: }
829:
830: static int
1.45 schwarze 831: woptions(struct curparse *curp, char *arg)
1.1 kristaps 832: {
1.10 schwarze 833: char *v, *o;
1.123 schwarze 834: const char *toks[7];
1.1 kristaps 835:
1.45 schwarze 836: toks[0] = "stop";
837: toks[1] = "all";
838: toks[2] = "warning";
839: toks[3] = "error";
1.123 schwarze 840: toks[4] = "unsupp";
841: toks[5] = "fatal";
842: toks[6] = NULL;
1.1 kristaps 843:
1.10 schwarze 844: while (*arg) {
845: o = arg;
1.17 schwarze 846: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 847: case 0:
1.45 schwarze 848: curp->wstop = 1;
1.1 kristaps 849: break;
1.90 schwarze 850: case 1:
1.45 schwarze 851: /* FALLTHROUGH */
1.90 schwarze 852: case 2:
1.45 schwarze 853: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 854: break;
1.90 schwarze 855: case 3:
1.45 schwarze 856: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 857: break;
1.90 schwarze 858: case 4:
1.123 schwarze 859: curp->wlevel = MANDOCLEVEL_UNSUPP;
860: break;
861: case 5:
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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