Annotation of src/usr.bin/mandoc/main.c, Revision 1.112
1.112 ! schwarze 1: /* $OpenBSD: main.c,v 1.111 2014/12/11 19:50:04 schwarze Exp $ */
1.1 kristaps 2: /*
1.95 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.87 schwarze 4: * Copyright (c) 2010, 2011, 2012, 2014 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:
1.103 schwarze 78: static int koptions(int *, char *);
1.79 schwarze 79: int mandocdb(int, char**);
1.87 schwarze 80: static int moptions(int *, char *);
1.76 schwarze 81: static void mmsg(enum mandocerr, enum mandoclevel,
82: const char *, int, int, const char *);
1.90 schwarze 83: static void parse(struct curparse *, int,
1.76 schwarze 84: const char *, enum mandoclevel *);
1.105 schwarze 85: static enum mandoclevel passthrough(const char *, int, int);
1.95 schwarze 86: static void spawn_pager(void);
1.27 schwarze 87: static int toptions(struct curparse *, char *);
1.95 schwarze 88: static void usage(enum argmode) __attribute__((noreturn));
1.20 schwarze 89: static void version(void) __attribute__((noreturn));
1.45 schwarze 90: static int woptions(struct curparse *, char *);
1.1 kristaps 91:
1.95 schwarze 92: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.110 schwarze 93: static char help_arg[] = "help";
94: static char *help_argv[] = {help_arg, NULL};
1.19 schwarze 95: static const char *progname;
1.1 kristaps 96:
1.90 schwarze 97:
1.1 kristaps 98: int
99: main(int argc, char *argv[])
100: {
101: struct curparse curp;
1.95 schwarze 102: struct mansearch search;
103: struct manpaths paths;
1.111 schwarze 104: char *auxpaths;
1.95 schwarze 105: char *defos;
106: struct manpage *res, *resp;
1.111 schwarze 107: char *conf_file, *defpaths;
1.95 schwarze 108: size_t isec, i, sz;
1.111 schwarze 109: int prio, best_prio, synopsis_only;
1.95 schwarze 110: char sec;
111: enum mandoclevel rc;
112: enum outmode outmode;
1.100 schwarze 113: int fd;
1.95 schwarze 114: int show_usage;
115: int use_pager;
1.87 schwarze 116: int options;
1.95 schwarze 117: int c;
1.1 kristaps 118:
1.19 schwarze 119: progname = strrchr(argv[0], '/');
120: if (progname == NULL)
121: progname = argv[0];
122: else
123: ++progname;
1.79 schwarze 124:
1.82 schwarze 125: if (0 == strncmp(progname, "mandocdb", 8) ||
126: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 127: return(mandocdb(argc, argv));
1.19 schwarze 128:
1.95 schwarze 129: /* Search options. */
130:
131: memset(&paths, 0, sizeof(struct manpaths));
1.111 schwarze 132: conf_file = defpaths = NULL;
133: auxpaths = NULL;
1.95 schwarze 134:
135: memset(&search, 0, sizeof(struct mansearch));
136: search.outkey = "Nd";
137:
138: if (strcmp(progname, "man") == 0)
139: search.argmode = ARG_NAME;
140: else if (strncmp(progname, "apropos", 7) == 0)
141: search.argmode = ARG_EXPR;
142: else if (strncmp(progname, "whatis", 6) == 0)
143: search.argmode = ARG_WORD;
1.110 schwarze 144: else if (strncmp(progname, "help", 4) == 0)
145: search.argmode = ARG_NAME;
1.95 schwarze 146: else
147: search.argmode = ARG_FILE;
148:
149: /* Parser and formatter options. */
150:
1.19 schwarze 151: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 152: curp.outtype = OUTT_LOCALE;
1.45 schwarze 153: curp.wlevel = MANDOCLEVEL_FATAL;
1.103 schwarze 154: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 155: defos = NULL;
1.1 kristaps 156:
1.95 schwarze 157: use_pager = 1;
158: show_usage = 0;
1.105 schwarze 159: synopsis_only = 0;
1.95 schwarze 160: outmode = OUTMODE_DEF;
161:
1.103 schwarze 162: while (-1 != (c = getopt(argc, argv,
163: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 164: switch (c) {
1.95 schwarze 165: case 'a':
166: outmode = OUTMODE_ALL;
167: break;
168: case 'C':
169: conf_file = optarg;
170: break;
171: case 'c':
172: use_pager = 0;
173: break;
174: case 'f':
175: search.argmode = ARG_WORD;
176: break;
1.98 schwarze 177: case 'h':
178: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 179: synopsis_only = 1;
1.106 schwarze 180: use_pager = 0;
1.98 schwarze 181: outmode = OUTMODE_ALL;
182: break;
1.90 schwarze 183: case 'I':
1.83 schwarze 184: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 185: fprintf(stderr,
1.93 schwarze 186: "%s: -I%s: Bad argument\n",
187: progname, optarg);
1.83 schwarze 188: return((int)MANDOCLEVEL_BADARG);
189: }
190: if (defos) {
1.90 schwarze 191: fprintf(stderr,
1.93 schwarze 192: "%s: -I%s: Duplicate argument\n",
193: progname, optarg);
1.83 schwarze 194: return((int)MANDOCLEVEL_BADARG);
195: }
196: defos = mandoc_strdup(optarg + 3);
197: break;
1.95 schwarze 198: case 'i':
199: outmode = OUTMODE_INT;
200: break;
1.103 schwarze 201: case 'K':
202: if ( ! koptions(&options, optarg))
203: return((int)MANDOCLEVEL_BADARG);
204: break;
1.95 schwarze 205: case 'k':
206: search.argmode = ARG_EXPR;
207: break;
1.96 schwarze 208: case 'l':
209: search.argmode = ARG_FILE;
210: outmode = OUTMODE_ALL;
211: break;
1.95 schwarze 212: case 'M':
213: defpaths = optarg;
214: break;
1.90 schwarze 215: case 'm':
1.95 schwarze 216: auxpaths = optarg;
1.1 kristaps 217: break;
1.90 schwarze 218: case 'O':
1.95 schwarze 219: search.outkey = optarg;
1.18 schwarze 220: (void)strlcat(curp.outopts, optarg, BUFSIZ);
221: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 222: break;
1.95 schwarze 223: case 'S':
224: search.arch = optarg;
225: break;
226: case 's':
227: search.sec = optarg;
228: break;
1.90 schwarze 229: case 'T':
1.22 schwarze 230: if ( ! toptions(&curp, optarg))
1.47 schwarze 231: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 232: break;
1.90 schwarze 233: case 'W':
1.45 schwarze 234: if ( ! woptions(&curp, optarg))
1.47 schwarze 235: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 236: break;
1.95 schwarze 237: case 'w':
238: outmode = OUTMODE_FLN;
239: break;
1.90 schwarze 240: case 'V':
1.3 schwarze 241: version();
242: /* NOTREACHED */
1.1 kristaps 243: default:
1.95 schwarze 244: show_usage = 1;
245: break;
246: }
247: }
248:
249: if (show_usage)
250: usage(search.argmode);
251:
252: /* Postprocess options. */
253:
254: if (outmode == OUTMODE_DEF) {
255: switch (search.argmode) {
256: case ARG_FILE:
257: outmode = OUTMODE_ALL;
258: use_pager = 0;
259: break;
260: case ARG_NAME:
261: outmode = OUTMODE_ONE;
262: break;
263: default:
264: outmode = OUTMODE_LST;
265: break;
266: }
267: }
268:
269: /* Parse arguments. */
270:
271: argc -= optind;
272: argv += optind;
273: resp = NULL;
274:
1.110 schwarze 275: /*
276: * Quirks for help(1)
277: * and for a man(1) section argument without -s.
278: */
279:
280: if (search.argmode == ARG_NAME) {
281: if (*progname == 'h') {
282: if (argc == 0) {
283: argv = help_argv;
284: argc = 1;
285: }
1.112 ! schwarze 286: } else if (argv[0] != NULL && (
! 287: (isdigit((unsigned char)argv[0][0]) &&
! 288: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) ||
! 289: (argv[0][0] == 'n' && argv[0][1] == '\0'))) {
1.110 schwarze 290: search.sec = argv[0];
291: argv++;
292: argc--;
293: }
1.95 schwarze 294: }
295:
296: rc = MANDOCLEVEL_OK;
297:
298: /* man(1), whatis(1), apropos(1) */
299:
300: if (search.argmode != ARG_FILE) {
301: if (argc == 0)
302: usage(search.argmode);
1.107 schwarze 303:
304: if (search.argmode == ARG_NAME &&
305: outmode == OUTMODE_ONE)
306: search.firstmatch = 1;
1.95 schwarze 307:
308: /* Access the mandoc database. */
309:
310: manpath_parse(&paths, conf_file, defpaths, auxpaths);
311: mansearch_setup(1);
312: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
313: usage(search.argmode);
314: resp = res;
315:
316: if (sz == 0) {
317: if (search.argmode == ARG_NAME)
318: fprintf(stderr, "%s: No entry for %s "
319: "in the manual.\n", progname, argv[0]);
320: rc = MANDOCLEVEL_BADARG;
321: goto out;
322: }
323:
324: /*
325: * For standard man(1) and -a output mode,
326: * prepare for copying filename pointers
327: * into the program parameter array.
328: */
329:
330: if (outmode == OUTMODE_ONE) {
331: argc = 1;
332: best_prio = 10;
333: } else if (outmode == OUTMODE_ALL)
334: argc = (int)sz;
335:
336: /* Iterate all matching manuals. */
337:
338: for (i = 0; i < sz; i++) {
339: if (outmode == OUTMODE_FLN)
340: puts(res[i].file);
341: else if (outmode == OUTMODE_LST)
342: printf("%s - %s\n", res[i].names,
343: res[i].output == NULL ? "" :
344: res[i].output);
345: else if (outmode == OUTMODE_ONE) {
346: /* Search for the best section. */
347: isec = strcspn(res[i].file, "123456789");
348: sec = res[i].file[isec];
349: if ('\0' == sec)
350: continue;
351: prio = sec_prios[sec - '1'];
352: if (prio >= best_prio)
353: continue;
354: best_prio = prio;
355: resp = res + i;
356: }
1.1 kristaps 357: }
358:
1.95 schwarze 359: /*
360: * For man(1), -a and -i output mode, fall through
361: * to the main mandoc(1) code iterating files
362: * and running the parsers on each of them.
363: */
364:
365: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
366: goto out;
367: }
368:
369: /* mandoc(1) */
370:
371: if ( ! moptions(&options, auxpaths))
372: return((int)MANDOCLEVEL_BADARG);
373:
374: if (use_pager && isatty(STDOUT_FILENO))
375: spawn_pager();
376:
1.102 schwarze 377: curp.mchars = mchars_alloc();
378: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
379: curp.mchars, defos);
1.76 schwarze 380:
1.80 schwarze 381: /*
382: * Conditionally start up the lookaside buffer before parsing.
383: */
384: if (OUTT_MAN == curp.outtype)
385: mparse_keep(curp.mp);
386:
1.95 schwarze 387: if (argc == 0)
1.76 schwarze 388: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 389:
1.95 schwarze 390: while (argc) {
391: if (resp != NULL) {
1.108 schwarze 392: rc = mparse_open(curp.mp, &fd, resp->file);
1.100 schwarze 393: if (fd == -1)
394: /* nothing */;
395: else if (resp->form & FORM_SRC) {
1.97 schwarze 396: /* For .so only; ignore failure. */
397: chdir(paths.paths[resp->ipath]);
1.100 schwarze 398: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 399: } else
1.105 schwarze 400: rc = passthrough(resp->file, fd,
401: synopsis_only);
1.95 schwarze 402: resp++;
1.100 schwarze 403: } else {
1.108 schwarze 404: rc = mparse_open(curp.mp, &fd, *argv++);
1.100 schwarze 405: if (fd != -1)
406: parse(&curp, fd, argv[-1], &rc);
407: }
408:
1.108 schwarze 409: if (mparse_wait(curp.mp) != MANDOCLEVEL_OK)
1.100 schwarze 410: rc = MANDOCLEVEL_SYSERR;
411:
1.76 schwarze 412: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 413: break;
1.95 schwarze 414: argc--;
1.1 kristaps 415: }
416:
417: if (curp.outfree)
418: (*curp.outfree)(curp.outdata);
1.102 schwarze 419: mparse_free(curp.mp);
420: mchars_free(curp.mchars);
1.95 schwarze 421:
422: out:
423: if (search.argmode != ARG_FILE) {
1.97 schwarze 424: manpath_free(&paths);
1.95 schwarze 425: mansearch_free(res, sz);
426: mansearch_setup(0);
427: }
428:
1.83 schwarze 429: free(defos);
1.1 kristaps 430:
1.76 schwarze 431: return((int)rc);
1.1 kristaps 432: }
433:
1.20 schwarze 434: static void
1.3 schwarze 435: version(void)
436: {
437:
1.95 schwarze 438: printf("mandoc %s\n", VERSION);
1.47 schwarze 439: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 440: }
441:
1.20 schwarze 442: static void
1.95 schwarze 443: usage(enum argmode argmode)
1.1 kristaps 444: {
445:
1.95 schwarze 446: switch (argmode) {
447: case ARG_FILE:
1.98 schwarze 448: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 jmc 449: "[-Kencoding] [-mformat] [-Ooption]\n"
450: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 451: break;
452: case ARG_NAME:
1.96 schwarze 453: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 454: "[-M path] [-m path] [-S arch] [-s section]\n"
455: "\t [section] name ...\n", stderr);
456: break;
457: case ARG_WORD:
1.98 schwarze 458: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 459: "[-M path] [-m path] [-O outkey] [-S arch]\n"
460: "\t [-s section] name ...\n", stderr);
1.95 schwarze 461: break;
462: case ARG_EXPR:
1.98 schwarze 463: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 464: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 465: "\t [-s section] expression ...\n", stderr);
466: break;
467: }
1.47 schwarze 468: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 469: }
470:
1.27 schwarze 471: static void
1.90 schwarze 472: parse(struct curparse *curp, int fd, const char *file,
473: enum mandoclevel *level)
1.52 schwarze 474: {
1.76 schwarze 475: enum mandoclevel rc;
476: struct mdoc *mdoc;
477: struct man *man;
1.52 schwarze 478:
1.76 schwarze 479: /* Begin by parsing the file itself. */
1.52 schwarze 480:
1.76 schwarze 481: assert(file);
482: assert(fd >= -1);
1.52 schwarze 483:
1.76 schwarze 484: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 485:
1.76 schwarze 486: /* Stop immediately if the parse has failed. */
1.1 kristaps 487:
1.76 schwarze 488: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 489: goto cleanup;
490:
491: /*
1.76 schwarze 492: * With -Wstop and warnings or errors of at least the requested
493: * level, do not produce output.
1.51 schwarze 494: */
495:
1.76 schwarze 496: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 497: goto cleanup;
498:
499: /* If unset, allocate output dev now (if applicable). */
500:
501: if ( ! (curp->outman && curp->outmdoc)) {
502: switch (curp->outtype) {
1.90 schwarze 503: case OUTT_HTML:
1.102 schwarze 504: curp->outdata = html_alloc(curp->mchars,
505: curp->outopts);
1.77 schwarze 506: curp->outfree = html_free;
507: break;
1.90 schwarze 508: case OUTT_UTF8:
1.102 schwarze 509: curp->outdata = utf8_alloc(curp->mchars,
510: curp->outopts);
1.77 schwarze 511: curp->outfree = ascii_free;
512: break;
1.90 schwarze 513: case OUTT_LOCALE:
1.102 schwarze 514: curp->outdata = locale_alloc(curp->mchars,
515: curp->outopts);
1.77 schwarze 516: curp->outfree = ascii_free;
1.51 schwarze 517: break;
1.90 schwarze 518: case OUTT_ASCII:
1.102 schwarze 519: curp->outdata = ascii_alloc(curp->mchars,
520: curp->outopts);
1.51 schwarze 521: curp->outfree = ascii_free;
522: break;
1.90 schwarze 523: case OUTT_PDF:
1.102 schwarze 524: curp->outdata = pdf_alloc(curp->mchars,
525: curp->outopts);
1.51 schwarze 526: curp->outfree = pspdf_free;
527: break;
1.90 schwarze 528: case OUTT_PS:
1.102 schwarze 529: curp->outdata = ps_alloc(curp->mchars,
530: curp->outopts);
1.51 schwarze 531: curp->outfree = pspdf_free;
532: break;
533: default:
534: break;
535: }
536:
537: switch (curp->outtype) {
1.90 schwarze 538: case OUTT_HTML:
1.51 schwarze 539: curp->outman = html_man;
540: curp->outmdoc = html_mdoc;
541: break;
1.90 schwarze 542: case OUTT_TREE:
1.51 schwarze 543: curp->outman = tree_man;
544: curp->outmdoc = tree_mdoc;
545: break;
1.90 schwarze 546: case OUTT_MAN:
1.78 schwarze 547: curp->outmdoc = man_mdoc;
1.80 schwarze 548: curp->outman = man_man;
1.78 schwarze 549: break;
1.90 schwarze 550: case OUTT_PDF:
1.51 schwarze 551: /* FALLTHROUGH */
1.90 schwarze 552: case OUTT_ASCII:
1.51 schwarze 553: /* FALLTHROUGH */
1.90 schwarze 554: case OUTT_UTF8:
1.77 schwarze 555: /* FALLTHROUGH */
1.90 schwarze 556: case OUTT_LOCALE:
1.77 schwarze 557: /* FALLTHROUGH */
1.90 schwarze 558: case OUTT_PS:
1.51 schwarze 559: curp->outman = terminal_man;
560: curp->outmdoc = terminal_mdoc;
561: break;
562: default:
563: break;
564: }
565: }
566:
1.88 schwarze 567: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 568:
1.51 schwarze 569: /* Execute the out device, if it exists. */
570:
1.76 schwarze 571: if (man && curp->outman)
572: (*curp->outman)(curp->outdata, man);
573: if (mdoc && curp->outmdoc)
574: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 575:
576: cleanup:
1.59 schwarze 577:
1.76 schwarze 578: mparse_reset(curp->mp);
1.59 schwarze 579:
1.76 schwarze 580: if (*level < rc)
581: *level = rc;
1.1 kristaps 582: }
583:
1.95 schwarze 584: static enum mandoclevel
1.105 schwarze 585: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 586: {
1.105 schwarze 587: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
588: const char synr[] = "SYNOPSIS";
589:
590: FILE *stream;
1.95 schwarze 591: const char *syscall;
1.105 schwarze 592: char *line;
593: size_t len, off;
594: ssize_t nw;
595: int print;
596:
597: if ((stream = fdopen(fd, "r")) == NULL) {
598: close(fd);
599: syscall = "fdopen";
600: goto fail;
601: }
1.95 schwarze 602:
1.105 schwarze 603: print = 0;
604: while ((line = fgetln(stream, &len)) != NULL) {
605: if (synopsis_only) {
606: if (print) {
607: if ( ! isspace((unsigned char)*line))
608: goto done;
609: while (len &&
610: isspace((unsigned char)*line)) {
611: line++;
612: len--;
613: }
614: } else {
615: if ((len == sizeof(synb) &&
616: ! strncmp(line, synb, len - 1)) ||
617: (len == sizeof(synr) &&
618: ! strncmp(line, synr, len - 1)))
619: print = 1;
620: continue;
621: }
622: }
623: for (off = 0; off < len; off += nw)
624: if ((nw = write(STDOUT_FILENO, line + off,
625: len - off)) == -1 || nw == 0) {
626: fclose(stream);
1.95 schwarze 627: syscall = "write";
628: goto fail;
629: }
1.105 schwarze 630: }
1.95 schwarze 631:
1.105 schwarze 632: if (ferror(stream)) {
633: fclose(stream);
634: syscall = "fgetln";
635: goto fail;
636: }
1.101 schwarze 637:
1.105 schwarze 638: done:
639: fclose(stream);
640: return(MANDOCLEVEL_OK);
1.95 schwarze 641:
642: fail:
643: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
644: progname, file, syscall, strerror(errno));
645: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 646: }
647:
648: static int
649: koptions(int *options, char *arg)
650: {
651:
652: if ( ! strcmp(arg, "utf-8")) {
653: *options |= MPARSE_UTF8;
654: *options &= ~MPARSE_LATIN1;
655: } else if ( ! strcmp(arg, "iso-8859-1")) {
656: *options |= MPARSE_LATIN1;
657: *options &= ~MPARSE_UTF8;
658: } else if ( ! strcmp(arg, "us-ascii")) {
659: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
660: } else {
661: fprintf(stderr, "%s: -K%s: Bad argument\n",
662: progname, arg);
663: return(0);
664: }
665: return(1);
1.95 schwarze 666: }
667:
1.1 kristaps 668: static int
1.87 schwarze 669: moptions(int *options, char *arg)
1.1 kristaps 670: {
671:
1.95 schwarze 672: if (arg == NULL)
673: /* nothing to do */;
674: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 675: *options |= MPARSE_MDOC;
1.1 kristaps 676: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 677: /* nothing to do */;
1.1 kristaps 678: else if (0 == strcmp(arg, "an"))
1.87 schwarze 679: *options |= MPARSE_MAN;
1.1 kristaps 680: else {
1.93 schwarze 681: fprintf(stderr, "%s: -m%s: Bad argument\n",
682: progname, arg);
1.1 kristaps 683: return(0);
684: }
685:
686: return(1);
687: }
688:
689: static int
1.22 schwarze 690: toptions(struct curparse *curp, char *arg)
1.1 kristaps 691: {
692:
693: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 694: curp->outtype = OUTT_ASCII;
695: else if (0 == strcmp(arg, "lint")) {
696: curp->outtype = OUTT_LINT;
1.45 schwarze 697: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 698: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 699: curp->outtype = OUTT_TREE;
1.78 schwarze 700: else if (0 == strcmp(arg, "man"))
701: curp->outtype = OUTT_MAN;
1.17 schwarze 702: else if (0 == strcmp(arg, "html"))
1.22 schwarze 703: curp->outtype = OUTT_HTML;
1.77 schwarze 704: else if (0 == strcmp(arg, "utf8"))
705: curp->outtype = OUTT_UTF8;
706: else if (0 == strcmp(arg, "locale"))
707: curp->outtype = OUTT_LOCALE;
1.21 schwarze 708: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 709: curp->outtype = OUTT_HTML;
1.36 schwarze 710: else if (0 == strcmp(arg, "ps"))
711: curp->outtype = OUTT_PS;
1.43 schwarze 712: else if (0 == strcmp(arg, "pdf"))
713: curp->outtype = OUTT_PDF;
1.1 kristaps 714: else {
1.93 schwarze 715: fprintf(stderr, "%s: -T%s: Bad argument\n",
716: progname, arg);
1.1 kristaps 717: return(0);
718: }
719:
720: return(1);
721: }
722:
723: static int
1.45 schwarze 724: woptions(struct curparse *curp, char *arg)
1.1 kristaps 725: {
1.10 schwarze 726: char *v, *o;
1.90 schwarze 727: const char *toks[6];
1.1 kristaps 728:
1.45 schwarze 729: toks[0] = "stop";
730: toks[1] = "all";
731: toks[2] = "warning";
732: toks[3] = "error";
733: toks[4] = "fatal";
734: toks[5] = NULL;
1.1 kristaps 735:
1.10 schwarze 736: while (*arg) {
737: o = arg;
1.17 schwarze 738: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 739: case 0:
1.45 schwarze 740: curp->wstop = 1;
1.1 kristaps 741: break;
1.90 schwarze 742: case 1:
1.45 schwarze 743: /* FALLTHROUGH */
1.90 schwarze 744: case 2:
1.45 schwarze 745: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 746: break;
1.90 schwarze 747: case 3:
1.45 schwarze 748: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 749: break;
1.90 schwarze 750: case 4:
1.45 schwarze 751: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 752: break;
1.1 kristaps 753: default:
1.93 schwarze 754: fprintf(stderr, "%s: -W%s: Bad argument\n",
755: progname, o);
1.1 kristaps 756: return(0);
757: }
1.10 schwarze 758: }
1.1 kristaps 759:
760: return(1);
761: }
762:
1.75 schwarze 763: static void
1.90 schwarze 764: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 765: const char *file, int line, int col, const char *msg)
1.30 schwarze 766: {
1.94 schwarze 767: const char *mparse_msg;
1.45 schwarze 768:
1.92 schwarze 769: fprintf(stderr, "%s: %s:", progname, file);
770:
771: if (line)
772: fprintf(stderr, "%d:%d:", line, col + 1);
773:
1.94 schwarze 774: fprintf(stderr, " %s", mparse_strlevel(lvl));
775:
776: if (NULL != (mparse_msg = mparse_strerror(t)))
777: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 778:
779: if (msg)
780: fprintf(stderr, ": %s", msg);
1.76 schwarze 781:
1.30 schwarze 782: fputc('\n', stderr);
1.95 schwarze 783: }
784:
785: static void
786: spawn_pager(void)
787: {
788: #define MAX_PAGER_ARGS 16
789: char *argv[MAX_PAGER_ARGS];
790: const char *pager;
791: char *cp;
792: int fildes[2];
793: int argc;
794:
795: if (pipe(fildes) == -1) {
796: fprintf(stderr, "%s: pipe: %s\n",
797: progname, strerror(errno));
798: return;
799: }
800:
801: switch (fork()) {
802: case -1:
803: fprintf(stderr, "%s: fork: %s\n",
804: progname, strerror(errno));
805: exit((int)MANDOCLEVEL_SYSERR);
806: case 0:
807: close(fildes[0]);
808: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
809: fprintf(stderr, "%s: dup output: %s\n",
810: progname, strerror(errno));
811: exit((int)MANDOCLEVEL_SYSERR);
812: }
813: return;
814: default:
815: break;
816: }
817:
818: /* The original process becomes the pager. */
819:
820: close(fildes[1]);
821: if (dup2(fildes[0], STDIN_FILENO) == -1) {
822: fprintf(stderr, "%s: dup input: %s\n",
823: progname, strerror(errno));
824: exit((int)MANDOCLEVEL_SYSERR);
825: }
826:
827: pager = getenv("MANPAGER");
828: if (pager == NULL || *pager == '\0')
829: pager = getenv("PAGER");
830: if (pager == NULL || *pager == '\0')
831: pager = "/usr/bin/more -s";
832: cp = mandoc_strdup(pager);
833:
834: /*
835: * Parse the pager command into words.
836: * Intentionally do not do anything fancy here.
837: */
838:
839: argc = 0;
840: while (argc + 1 < MAX_PAGER_ARGS) {
841: argv[argc++] = cp;
842: cp = strchr(cp, ' ');
843: if (cp == NULL)
844: break;
845: *cp++ = '\0';
846: while (*cp == ' ')
847: cp++;
848: if (*cp == '\0')
849: break;
850: }
851: argv[argc] = NULL;
852:
853: /* Hand over to the pager. */
854:
855: execvp(argv[0], argv);
856: fprintf(stderr, "%s: exec: %s\n",
857: progname, strerror(errno));
858: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 859: }
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