Annotation of src/usr.bin/mandoc/main.c, Revision 1.104
1.104 ! jmc 1: /* $OpenBSD: main.c,v 1.103 2014/10/30 00:05:02 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 *);
1.100 schwarze 85: static enum mandoclevel passthrough(const char *, 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};
1.19 schwarze 93: static const char *progname;
1.1 kristaps 94:
1.90 schwarze 95:
1.1 kristaps 96: int
97: main(int argc, char *argv[])
98: {
99: struct curparse curp;
1.95 schwarze 100: struct mansearch search;
101: struct manpaths paths;
102: char *conf_file, *defpaths, *auxpaths;
103: char *defos;
104: struct manpage *res, *resp;
105: size_t isec, i, sz;
106: int prio, best_prio;
107: char sec;
108: enum mandoclevel rc;
109: enum outmode outmode;
1.100 schwarze 110: pid_t child_pid;
111: int fd;
1.95 schwarze 112: int show_usage;
113: int use_pager;
1.87 schwarze 114: int options;
1.95 schwarze 115: int c;
1.1 kristaps 116:
1.19 schwarze 117: progname = strrchr(argv[0], '/');
118: if (progname == NULL)
119: progname = argv[0];
120: else
121: ++progname;
1.79 schwarze 122:
1.82 schwarze 123: if (0 == strncmp(progname, "mandocdb", 8) ||
124: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 125: return(mandocdb(argc, argv));
1.19 schwarze 126:
1.95 schwarze 127: /* Search options. */
128:
129: memset(&paths, 0, sizeof(struct manpaths));
130: conf_file = defpaths = auxpaths = NULL;
131:
132: memset(&search, 0, sizeof(struct mansearch));
133: search.outkey = "Nd";
134:
135: if (strcmp(progname, "man") == 0)
136: search.argmode = ARG_NAME;
137: else if (strncmp(progname, "apropos", 7) == 0)
138: search.argmode = ARG_EXPR;
139: else if (strncmp(progname, "whatis", 6) == 0)
140: search.argmode = ARG_WORD;
141: else
142: search.argmode = ARG_FILE;
143:
144: /* Parser and formatter options. */
145:
1.19 schwarze 146: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 147: curp.outtype = OUTT_ASCII;
1.45 schwarze 148: curp.wlevel = MANDOCLEVEL_FATAL;
1.103 schwarze 149: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 150: defos = NULL;
1.1 kristaps 151:
1.95 schwarze 152: use_pager = 1;
153: show_usage = 0;
154: outmode = OUTMODE_DEF;
155:
1.103 schwarze 156: while (-1 != (c = getopt(argc, argv,
157: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 158: switch (c) {
1.95 schwarze 159: case 'a':
160: outmode = OUTMODE_ALL;
161: break;
162: case 'C':
163: conf_file = optarg;
164: break;
165: case 'c':
166: use_pager = 0;
167: break;
168: case 'f':
169: search.argmode = ARG_WORD;
170: break;
1.98 schwarze 171: case 'h':
172: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
173: outmode = OUTMODE_ALL;
174: break;
1.90 schwarze 175: case 'I':
1.83 schwarze 176: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 177: fprintf(stderr,
1.93 schwarze 178: "%s: -I%s: Bad argument\n",
179: progname, optarg);
1.83 schwarze 180: return((int)MANDOCLEVEL_BADARG);
181: }
182: if (defos) {
1.90 schwarze 183: fprintf(stderr,
1.93 schwarze 184: "%s: -I%s: Duplicate argument\n",
185: progname, optarg);
1.83 schwarze 186: return((int)MANDOCLEVEL_BADARG);
187: }
188: defos = mandoc_strdup(optarg + 3);
189: break;
1.95 schwarze 190: case 'i':
191: outmode = OUTMODE_INT;
192: break;
1.103 schwarze 193: case 'K':
194: if ( ! koptions(&options, optarg))
195: return((int)MANDOCLEVEL_BADARG);
196: break;
1.95 schwarze 197: case 'k':
198: search.argmode = ARG_EXPR;
199: break;
1.96 schwarze 200: case 'l':
201: search.argmode = ARG_FILE;
202: outmode = OUTMODE_ALL;
203: break;
1.95 schwarze 204: case 'M':
205: defpaths = optarg;
206: break;
1.90 schwarze 207: case 'm':
1.95 schwarze 208: auxpaths = optarg;
1.1 kristaps 209: break;
1.90 schwarze 210: case 'O':
1.95 schwarze 211: search.outkey = optarg;
1.18 schwarze 212: (void)strlcat(curp.outopts, optarg, BUFSIZ);
213: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 214: break;
1.95 schwarze 215: case 'S':
216: search.arch = optarg;
217: break;
218: case 's':
219: search.sec = optarg;
220: break;
1.90 schwarze 221: case 'T':
1.22 schwarze 222: if ( ! toptions(&curp, optarg))
1.47 schwarze 223: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 224: break;
1.90 schwarze 225: case 'W':
1.45 schwarze 226: if ( ! woptions(&curp, optarg))
1.47 schwarze 227: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 228: break;
1.95 schwarze 229: case 'w':
230: outmode = OUTMODE_FLN;
231: break;
1.90 schwarze 232: case 'V':
1.3 schwarze 233: version();
234: /* NOTREACHED */
1.1 kristaps 235: default:
1.95 schwarze 236: show_usage = 1;
237: break;
238: }
239: }
240:
241: if (show_usage)
242: usage(search.argmode);
243:
244: /* Postprocess options. */
245:
246: if (outmode == OUTMODE_DEF) {
247: switch (search.argmode) {
248: case ARG_FILE:
249: outmode = OUTMODE_ALL;
250: use_pager = 0;
251: break;
252: case ARG_NAME:
253: outmode = OUTMODE_ONE;
254: break;
255: default:
256: outmode = OUTMODE_LST;
257: break;
258: }
259: }
260:
261: /* Parse arguments. */
262:
263: argc -= optind;
264: argv += optind;
265: resp = NULL;
266:
267: /* Quirk for a man(1) section argument without -s. */
268:
269: if (search.argmode == ARG_NAME &&
270: argv[0] != NULL &&
271: isdigit((unsigned char)argv[0][0]) &&
272: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
273: search.sec = argv[0];
274: argv++;
275: argc--;
276: }
277:
278: rc = MANDOCLEVEL_OK;
279:
280: /* man(1), whatis(1), apropos(1) */
281:
282: if (search.argmode != ARG_FILE) {
283: if (argc == 0)
284: usage(search.argmode);
285:
286: /* Access the mandoc database. */
287:
288: manpath_parse(&paths, conf_file, defpaths, auxpaths);
289: mansearch_setup(1);
290: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
291: usage(search.argmode);
292: resp = res;
293:
294: if (sz == 0) {
295: if (search.argmode == ARG_NAME)
296: fprintf(stderr, "%s: No entry for %s "
297: "in the manual.\n", progname, argv[0]);
298: rc = MANDOCLEVEL_BADARG;
299: goto out;
300: }
301:
302: /*
303: * For standard man(1) and -a output mode,
304: * prepare for copying filename pointers
305: * into the program parameter array.
306: */
307:
308: if (outmode == OUTMODE_ONE) {
309: argc = 1;
310: best_prio = 10;
311: } else if (outmode == OUTMODE_ALL)
312: argc = (int)sz;
313:
314: /* Iterate all matching manuals. */
315:
316: for (i = 0; i < sz; i++) {
317: if (outmode == OUTMODE_FLN)
318: puts(res[i].file);
319: else if (outmode == OUTMODE_LST)
320: printf("%s - %s\n", res[i].names,
321: res[i].output == NULL ? "" :
322: res[i].output);
323: else if (outmode == OUTMODE_ONE) {
324: /* Search for the best section. */
325: isec = strcspn(res[i].file, "123456789");
326: sec = res[i].file[isec];
327: if ('\0' == sec)
328: continue;
329: prio = sec_prios[sec - '1'];
330: if (prio >= best_prio)
331: continue;
332: best_prio = prio;
333: resp = res + i;
334: }
1.1 kristaps 335: }
336:
1.95 schwarze 337: /*
338: * For man(1), -a and -i output mode, fall through
339: * to the main mandoc(1) code iterating files
340: * and running the parsers on each of them.
341: */
342:
343: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
344: goto out;
345: }
346:
347: /* mandoc(1) */
348:
349: if ( ! moptions(&options, auxpaths))
350: return((int)MANDOCLEVEL_BADARG);
351:
352: if (use_pager && isatty(STDOUT_FILENO))
353: spawn_pager();
354:
1.102 schwarze 355: curp.mchars = mchars_alloc();
356: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
357: curp.mchars, defos);
1.76 schwarze 358:
1.80 schwarze 359: /*
360: * Conditionally start up the lookaside buffer before parsing.
361: */
362: if (OUTT_MAN == curp.outtype)
363: mparse_keep(curp.mp);
364:
1.95 schwarze 365: if (argc == 0)
1.76 schwarze 366: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 367:
1.95 schwarze 368: while (argc) {
369: if (resp != NULL) {
1.100 schwarze 370: rc = mparse_open(curp.mp, &fd, resp->file,
371: &child_pid);
372: if (fd == -1)
373: /* nothing */;
374: else if (resp->form & FORM_SRC) {
1.97 schwarze 375: /* For .so only; ignore failure. */
376: chdir(paths.paths[resp->ipath]);
1.100 schwarze 377: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 378: } else
1.100 schwarze 379: rc = passthrough(resp->file, fd);
1.95 schwarze 380: resp++;
1.100 schwarze 381: } else {
382: rc = mparse_open(curp.mp, &fd, *argv++,
383: &child_pid);
384: if (fd != -1)
385: parse(&curp, fd, argv[-1], &rc);
386: }
387:
388: if (child_pid &&
389: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
390: rc = MANDOCLEVEL_SYSERR;
391:
1.76 schwarze 392: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 393: break;
1.95 schwarze 394: argc--;
1.1 kristaps 395: }
396:
397: if (curp.outfree)
398: (*curp.outfree)(curp.outdata);
1.102 schwarze 399: mparse_free(curp.mp);
400: mchars_free(curp.mchars);
1.95 schwarze 401:
402: out:
403: if (search.argmode != ARG_FILE) {
1.97 schwarze 404: manpath_free(&paths);
1.95 schwarze 405: mansearch_free(res, sz);
406: mansearch_setup(0);
407: }
408:
1.83 schwarze 409: free(defos);
1.1 kristaps 410:
1.76 schwarze 411: return((int)rc);
1.1 kristaps 412: }
413:
1.20 schwarze 414: static void
1.3 schwarze 415: version(void)
416: {
417:
1.95 schwarze 418: printf("mandoc %s\n", VERSION);
1.47 schwarze 419: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 420: }
421:
1.20 schwarze 422: static void
1.95 schwarze 423: usage(enum argmode argmode)
1.1 kristaps 424: {
425:
1.95 schwarze 426: switch (argmode) {
427: case ARG_FILE:
1.98 schwarze 428: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 ! jmc 429: "[-Kencoding] [-mformat] [-Ooption]\n"
! 430: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 431: break;
432: case ARG_NAME:
1.96 schwarze 433: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 434: "[-M path] [-m path] [-S arch] [-s section]\n"
435: "\t [section] name ...\n", stderr);
436: break;
437: case ARG_WORD:
1.98 schwarze 438: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 439: "[-M path] [-m path] [-O outkey] [-S arch]\n"
440: "\t [-s section] name ...\n", stderr);
1.95 schwarze 441: break;
442: case ARG_EXPR:
1.98 schwarze 443: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 444: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 445: "\t [-s section] expression ...\n", stderr);
446: break;
447: }
1.47 schwarze 448: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 449: }
450:
1.27 schwarze 451: static void
1.90 schwarze 452: parse(struct curparse *curp, int fd, const char *file,
453: enum mandoclevel *level)
1.52 schwarze 454: {
1.76 schwarze 455: enum mandoclevel rc;
456: struct mdoc *mdoc;
457: struct man *man;
1.52 schwarze 458:
1.76 schwarze 459: /* Begin by parsing the file itself. */
1.52 schwarze 460:
1.76 schwarze 461: assert(file);
462: assert(fd >= -1);
1.52 schwarze 463:
1.76 schwarze 464: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 465:
1.76 schwarze 466: /* Stop immediately if the parse has failed. */
1.1 kristaps 467:
1.76 schwarze 468: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 469: goto cleanup;
470:
471: /*
1.76 schwarze 472: * With -Wstop and warnings or errors of at least the requested
473: * level, do not produce output.
1.51 schwarze 474: */
475:
1.76 schwarze 476: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 477: goto cleanup;
478:
479: /* If unset, allocate output dev now (if applicable). */
480:
481: if ( ! (curp->outman && curp->outmdoc)) {
482: switch (curp->outtype) {
1.90 schwarze 483: case OUTT_HTML:
1.102 schwarze 484: curp->outdata = html_alloc(curp->mchars,
485: curp->outopts);
1.77 schwarze 486: curp->outfree = html_free;
487: break;
1.90 schwarze 488: case OUTT_UTF8:
1.102 schwarze 489: curp->outdata = utf8_alloc(curp->mchars,
490: curp->outopts);
1.77 schwarze 491: curp->outfree = ascii_free;
492: break;
1.90 schwarze 493: case OUTT_LOCALE:
1.102 schwarze 494: curp->outdata = locale_alloc(curp->mchars,
495: curp->outopts);
1.77 schwarze 496: curp->outfree = ascii_free;
1.51 schwarze 497: break;
1.90 schwarze 498: case OUTT_ASCII:
1.102 schwarze 499: curp->outdata = ascii_alloc(curp->mchars,
500: curp->outopts);
1.51 schwarze 501: curp->outfree = ascii_free;
502: break;
1.90 schwarze 503: case OUTT_PDF:
1.102 schwarze 504: curp->outdata = pdf_alloc(curp->mchars,
505: curp->outopts);
1.51 schwarze 506: curp->outfree = pspdf_free;
507: break;
1.90 schwarze 508: case OUTT_PS:
1.102 schwarze 509: curp->outdata = ps_alloc(curp->mchars,
510: curp->outopts);
1.51 schwarze 511: curp->outfree = pspdf_free;
512: break;
513: default:
514: break;
515: }
516:
517: switch (curp->outtype) {
1.90 schwarze 518: case OUTT_HTML:
1.51 schwarze 519: curp->outman = html_man;
520: curp->outmdoc = html_mdoc;
521: break;
1.90 schwarze 522: case OUTT_TREE:
1.51 schwarze 523: curp->outman = tree_man;
524: curp->outmdoc = tree_mdoc;
525: break;
1.90 schwarze 526: case OUTT_MAN:
1.78 schwarze 527: curp->outmdoc = man_mdoc;
1.80 schwarze 528: curp->outman = man_man;
1.78 schwarze 529: break;
1.90 schwarze 530: case OUTT_PDF:
1.51 schwarze 531: /* FALLTHROUGH */
1.90 schwarze 532: case OUTT_ASCII:
1.51 schwarze 533: /* FALLTHROUGH */
1.90 schwarze 534: case OUTT_UTF8:
1.77 schwarze 535: /* FALLTHROUGH */
1.90 schwarze 536: case OUTT_LOCALE:
1.77 schwarze 537: /* FALLTHROUGH */
1.90 schwarze 538: case OUTT_PS:
1.51 schwarze 539: curp->outman = terminal_man;
540: curp->outmdoc = terminal_mdoc;
541: break;
542: default:
543: break;
544: }
545: }
546:
1.88 schwarze 547: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 548:
1.51 schwarze 549: /* Execute the out device, if it exists. */
550:
1.76 schwarze 551: if (man && curp->outman)
552: (*curp->outman)(curp->outdata, man);
553: if (mdoc && curp->outmdoc)
554: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 555:
556: cleanup:
1.59 schwarze 557:
1.76 schwarze 558: mparse_reset(curp->mp);
1.59 schwarze 559:
1.76 schwarze 560: if (*level < rc)
561: *level = rc;
1.1 kristaps 562: }
563:
1.95 schwarze 564: static enum mandoclevel
1.100 schwarze 565: passthrough(const char *file, int fd)
1.95 schwarze 566: {
567: char buf[BUFSIZ];
568: const char *syscall;
569: ssize_t nr, nw, off;
570:
571: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
572: for (off = 0; off < nr; off += nw)
573: if ((nw = write(STDOUT_FILENO, buf + off,
574: (size_t)(nr - off))) == -1 || nw == 0) {
1.101 schwarze 575: close(fd);
1.95 schwarze 576: syscall = "write";
577: goto fail;
578: }
579:
1.101 schwarze 580: close(fd);
581:
582: if (nr == 0)
1.95 schwarze 583: return(MANDOCLEVEL_OK);
584:
585: syscall = "read";
586: fail:
587: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
588: progname, file, syscall, strerror(errno));
589: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 590: }
591:
592: static int
593: koptions(int *options, char *arg)
594: {
595:
596: if ( ! strcmp(arg, "utf-8")) {
597: *options |= MPARSE_UTF8;
598: *options &= ~MPARSE_LATIN1;
599: } else if ( ! strcmp(arg, "iso-8859-1")) {
600: *options |= MPARSE_LATIN1;
601: *options &= ~MPARSE_UTF8;
602: } else if ( ! strcmp(arg, "us-ascii")) {
603: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
604: } else {
605: fprintf(stderr, "%s: -K%s: Bad argument\n",
606: progname, arg);
607: return(0);
608: }
609: return(1);
1.95 schwarze 610: }
611:
1.1 kristaps 612: static int
1.87 schwarze 613: moptions(int *options, char *arg)
1.1 kristaps 614: {
615:
1.95 schwarze 616: if (arg == NULL)
617: /* nothing to do */;
618: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 619: *options |= MPARSE_MDOC;
1.1 kristaps 620: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 621: /* nothing to do */;
1.1 kristaps 622: else if (0 == strcmp(arg, "an"))
1.87 schwarze 623: *options |= MPARSE_MAN;
1.1 kristaps 624: else {
1.93 schwarze 625: fprintf(stderr, "%s: -m%s: Bad argument\n",
626: progname, arg);
1.1 kristaps 627: return(0);
628: }
629:
630: return(1);
631: }
632:
633: static int
1.22 schwarze 634: toptions(struct curparse *curp, char *arg)
1.1 kristaps 635: {
636:
637: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 638: curp->outtype = OUTT_ASCII;
639: else if (0 == strcmp(arg, "lint")) {
640: curp->outtype = OUTT_LINT;
1.45 schwarze 641: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 642: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 643: curp->outtype = OUTT_TREE;
1.78 schwarze 644: else if (0 == strcmp(arg, "man"))
645: curp->outtype = OUTT_MAN;
1.17 schwarze 646: else if (0 == strcmp(arg, "html"))
1.22 schwarze 647: curp->outtype = OUTT_HTML;
1.77 schwarze 648: else if (0 == strcmp(arg, "utf8"))
649: curp->outtype = OUTT_UTF8;
650: else if (0 == strcmp(arg, "locale"))
651: curp->outtype = OUTT_LOCALE;
1.21 schwarze 652: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 653: curp->outtype = OUTT_HTML;
1.36 schwarze 654: else if (0 == strcmp(arg, "ps"))
655: curp->outtype = OUTT_PS;
1.43 schwarze 656: else if (0 == strcmp(arg, "pdf"))
657: curp->outtype = OUTT_PDF;
1.1 kristaps 658: else {
1.93 schwarze 659: fprintf(stderr, "%s: -T%s: Bad argument\n",
660: progname, arg);
1.1 kristaps 661: return(0);
662: }
663:
664: return(1);
665: }
666:
667: static int
1.45 schwarze 668: woptions(struct curparse *curp, char *arg)
1.1 kristaps 669: {
1.10 schwarze 670: char *v, *o;
1.90 schwarze 671: const char *toks[6];
1.1 kristaps 672:
1.45 schwarze 673: toks[0] = "stop";
674: toks[1] = "all";
675: toks[2] = "warning";
676: toks[3] = "error";
677: toks[4] = "fatal";
678: toks[5] = NULL;
1.1 kristaps 679:
1.10 schwarze 680: while (*arg) {
681: o = arg;
1.17 schwarze 682: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 683: case 0:
1.45 schwarze 684: curp->wstop = 1;
1.1 kristaps 685: break;
1.90 schwarze 686: case 1:
1.45 schwarze 687: /* FALLTHROUGH */
1.90 schwarze 688: case 2:
1.45 schwarze 689: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 690: break;
1.90 schwarze 691: case 3:
1.45 schwarze 692: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 693: break;
1.90 schwarze 694: case 4:
1.45 schwarze 695: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 696: break;
1.1 kristaps 697: default:
1.93 schwarze 698: fprintf(stderr, "%s: -W%s: Bad argument\n",
699: progname, o);
1.1 kristaps 700: return(0);
701: }
1.10 schwarze 702: }
1.1 kristaps 703:
704: return(1);
705: }
706:
1.75 schwarze 707: static void
1.90 schwarze 708: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 709: const char *file, int line, int col, const char *msg)
1.30 schwarze 710: {
1.94 schwarze 711: const char *mparse_msg;
1.45 schwarze 712:
1.92 schwarze 713: fprintf(stderr, "%s: %s:", progname, file);
714:
715: if (line)
716: fprintf(stderr, "%d:%d:", line, col + 1);
717:
1.94 schwarze 718: fprintf(stderr, " %s", mparse_strlevel(lvl));
719:
720: if (NULL != (mparse_msg = mparse_strerror(t)))
721: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 722:
723: if (msg)
724: fprintf(stderr, ": %s", msg);
1.76 schwarze 725:
1.30 schwarze 726: fputc('\n', stderr);
1.95 schwarze 727: }
728:
729: static void
730: spawn_pager(void)
731: {
732: #define MAX_PAGER_ARGS 16
733: char *argv[MAX_PAGER_ARGS];
734: const char *pager;
735: char *cp;
736: int fildes[2];
737: int argc;
738:
739: if (pipe(fildes) == -1) {
740: fprintf(stderr, "%s: pipe: %s\n",
741: progname, strerror(errno));
742: return;
743: }
744:
745: switch (fork()) {
746: case -1:
747: fprintf(stderr, "%s: fork: %s\n",
748: progname, strerror(errno));
749: exit((int)MANDOCLEVEL_SYSERR);
750: case 0:
751: close(fildes[0]);
752: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
753: fprintf(stderr, "%s: dup output: %s\n",
754: progname, strerror(errno));
755: exit((int)MANDOCLEVEL_SYSERR);
756: }
757: return;
758: default:
759: break;
760: }
761:
762: /* The original process becomes the pager. */
763:
764: close(fildes[1]);
765: if (dup2(fildes[0], STDIN_FILENO) == -1) {
766: fprintf(stderr, "%s: dup input: %s\n",
767: progname, strerror(errno));
768: exit((int)MANDOCLEVEL_SYSERR);
769: }
770:
771: pager = getenv("MANPAGER");
772: if (pager == NULL || *pager == '\0')
773: pager = getenv("PAGER");
774: if (pager == NULL || *pager == '\0')
775: pager = "/usr/bin/more -s";
776: cp = mandoc_strdup(pager);
777:
778: /*
779: * Parse the pager command into words.
780: * Intentionally do not do anything fancy here.
781: */
782:
783: argc = 0;
784: while (argc + 1 < MAX_PAGER_ARGS) {
785: argv[argc++] = cp;
786: cp = strchr(cp, ' ');
787: if (cp == NULL)
788: break;
789: *cp++ = '\0';
790: while (*cp == ' ')
791: cp++;
792: if (*cp == '\0')
793: break;
794: }
795: argv[argc] = NULL;
796:
797: /* Hand over to the pager. */
798:
799: execvp(argv[0], argv);
800: fprintf(stderr, "%s: exec: %s\n",
801: progname, strerror(errno));
802: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 803: }
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