Annotation of src/usr.bin/mandoc/main.c, Revision 1.107
1.107 ! schwarze 1: /* $OpenBSD: main.c,v 1.106 2014/11/11 02:43:11 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};
1.19 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;
1.105 schwarze 114: int synopsis_only;
1.87 schwarze 115: int options;
1.95 schwarze 116: int c;
1.1 kristaps 117:
1.19 schwarze 118: progname = strrchr(argv[0], '/');
119: if (progname == NULL)
120: progname = argv[0];
121: else
122: ++progname;
1.79 schwarze 123:
1.82 schwarze 124: if (0 == strncmp(progname, "mandocdb", 8) ||
125: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 126: return(mandocdb(argc, argv));
1.19 schwarze 127:
1.95 schwarze 128: /* Search options. */
129:
130: memset(&paths, 0, sizeof(struct manpaths));
131: conf_file = defpaths = auxpaths = NULL;
132:
133: memset(&search, 0, sizeof(struct mansearch));
134: search.outkey = "Nd";
135:
136: if (strcmp(progname, "man") == 0)
137: search.argmode = ARG_NAME;
138: else if (strncmp(progname, "apropos", 7) == 0)
139: search.argmode = ARG_EXPR;
140: else if (strncmp(progname, "whatis", 6) == 0)
141: search.argmode = ARG_WORD;
142: else
143: search.argmode = ARG_FILE;
144:
145: /* Parser and formatter options. */
146:
1.19 schwarze 147: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 148: curp.outtype = OUTT_ASCII;
1.45 schwarze 149: curp.wlevel = MANDOCLEVEL_FATAL;
1.103 schwarze 150: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 151: defos = NULL;
1.1 kristaps 152:
1.95 schwarze 153: use_pager = 1;
154: show_usage = 0;
1.105 schwarze 155: synopsis_only = 0;
1.95 schwarze 156: outmode = OUTMODE_DEF;
157:
1.103 schwarze 158: while (-1 != (c = getopt(argc, argv,
159: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 160: switch (c) {
1.95 schwarze 161: case 'a':
162: outmode = OUTMODE_ALL;
163: break;
164: case 'C':
165: conf_file = optarg;
166: break;
167: case 'c':
168: use_pager = 0;
169: break;
170: case 'f':
171: search.argmode = ARG_WORD;
172: break;
1.98 schwarze 173: case 'h':
174: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 175: synopsis_only = 1;
1.106 schwarze 176: use_pager = 0;
1.98 schwarze 177: outmode = OUTMODE_ALL;
178: break;
1.90 schwarze 179: case 'I':
1.83 schwarze 180: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 181: fprintf(stderr,
1.93 schwarze 182: "%s: -I%s: Bad argument\n",
183: progname, optarg);
1.83 schwarze 184: return((int)MANDOCLEVEL_BADARG);
185: }
186: if (defos) {
1.90 schwarze 187: fprintf(stderr,
1.93 schwarze 188: "%s: -I%s: Duplicate argument\n",
189: progname, optarg);
1.83 schwarze 190: return((int)MANDOCLEVEL_BADARG);
191: }
192: defos = mandoc_strdup(optarg + 3);
193: break;
1.95 schwarze 194: case 'i':
195: outmode = OUTMODE_INT;
196: break;
1.103 schwarze 197: case 'K':
198: if ( ! koptions(&options, optarg))
199: return((int)MANDOCLEVEL_BADARG);
200: break;
1.95 schwarze 201: case 'k':
202: search.argmode = ARG_EXPR;
203: break;
1.96 schwarze 204: case 'l':
205: search.argmode = ARG_FILE;
206: outmode = OUTMODE_ALL;
207: break;
1.95 schwarze 208: case 'M':
209: defpaths = optarg;
210: break;
1.90 schwarze 211: case 'm':
1.95 schwarze 212: auxpaths = optarg;
1.1 kristaps 213: break;
1.90 schwarze 214: case 'O':
1.95 schwarze 215: search.outkey = optarg;
1.18 schwarze 216: (void)strlcat(curp.outopts, optarg, BUFSIZ);
217: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 218: break;
1.95 schwarze 219: case 'S':
220: search.arch = optarg;
221: break;
222: case 's':
223: search.sec = optarg;
224: break;
1.90 schwarze 225: case 'T':
1.22 schwarze 226: if ( ! toptions(&curp, optarg))
1.47 schwarze 227: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 228: break;
1.90 schwarze 229: case 'W':
1.45 schwarze 230: if ( ! woptions(&curp, optarg))
1.47 schwarze 231: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 232: break;
1.95 schwarze 233: case 'w':
234: outmode = OUTMODE_FLN;
235: break;
1.90 schwarze 236: case 'V':
1.3 schwarze 237: version();
238: /* NOTREACHED */
1.1 kristaps 239: default:
1.95 schwarze 240: show_usage = 1;
241: break;
242: }
243: }
244:
245: if (show_usage)
246: usage(search.argmode);
247:
248: /* Postprocess options. */
249:
250: if (outmode == OUTMODE_DEF) {
251: switch (search.argmode) {
252: case ARG_FILE:
253: outmode = OUTMODE_ALL;
254: use_pager = 0;
255: break;
256: case ARG_NAME:
257: outmode = OUTMODE_ONE;
258: break;
259: default:
260: outmode = OUTMODE_LST;
261: break;
262: }
263: }
264:
265: /* Parse arguments. */
266:
267: argc -= optind;
268: argv += optind;
269: resp = NULL;
270:
271: /* Quirk for a man(1) section argument without -s. */
272:
273: if (search.argmode == ARG_NAME &&
274: argv[0] != NULL &&
275: isdigit((unsigned char)argv[0][0]) &&
276: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
277: search.sec = argv[0];
278: argv++;
279: argc--;
280: }
281:
282: rc = MANDOCLEVEL_OK;
283:
284: /* man(1), whatis(1), apropos(1) */
285:
286: if (search.argmode != ARG_FILE) {
287: if (argc == 0)
288: usage(search.argmode);
1.107 ! schwarze 289:
! 290: if (search.argmode == ARG_NAME &&
! 291: outmode == OUTMODE_ONE)
! 292: search.firstmatch = 1;
1.95 schwarze 293:
294: /* Access the mandoc database. */
295:
296: manpath_parse(&paths, conf_file, defpaths, auxpaths);
297: mansearch_setup(1);
298: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
299: usage(search.argmode);
300: resp = res;
301:
302: if (sz == 0) {
303: if (search.argmode == ARG_NAME)
304: fprintf(stderr, "%s: No entry for %s "
305: "in the manual.\n", progname, argv[0]);
306: rc = MANDOCLEVEL_BADARG;
307: goto out;
308: }
309:
310: /*
311: * For standard man(1) and -a output mode,
312: * prepare for copying filename pointers
313: * into the program parameter array.
314: */
315:
316: if (outmode == OUTMODE_ONE) {
317: argc = 1;
318: best_prio = 10;
319: } else if (outmode == OUTMODE_ALL)
320: argc = (int)sz;
321:
322: /* Iterate all matching manuals. */
323:
324: for (i = 0; i < sz; i++) {
325: if (outmode == OUTMODE_FLN)
326: puts(res[i].file);
327: else if (outmode == OUTMODE_LST)
328: printf("%s - %s\n", res[i].names,
329: res[i].output == NULL ? "" :
330: res[i].output);
331: else if (outmode == OUTMODE_ONE) {
332: /* Search for the best section. */
333: isec = strcspn(res[i].file, "123456789");
334: sec = res[i].file[isec];
335: if ('\0' == sec)
336: continue;
337: prio = sec_prios[sec - '1'];
338: if (prio >= best_prio)
339: continue;
340: best_prio = prio;
341: resp = res + i;
342: }
1.1 kristaps 343: }
344:
1.95 schwarze 345: /*
346: * For man(1), -a and -i output mode, fall through
347: * to the main mandoc(1) code iterating files
348: * and running the parsers on each of them.
349: */
350:
351: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
352: goto out;
353: }
354:
355: /* mandoc(1) */
356:
357: if ( ! moptions(&options, auxpaths))
358: return((int)MANDOCLEVEL_BADARG);
359:
360: if (use_pager && isatty(STDOUT_FILENO))
361: spawn_pager();
362:
1.102 schwarze 363: curp.mchars = mchars_alloc();
364: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
365: curp.mchars, defos);
1.76 schwarze 366:
1.80 schwarze 367: /*
368: * Conditionally start up the lookaside buffer before parsing.
369: */
370: if (OUTT_MAN == curp.outtype)
371: mparse_keep(curp.mp);
372:
1.95 schwarze 373: if (argc == 0)
1.76 schwarze 374: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 375:
1.95 schwarze 376: while (argc) {
377: if (resp != NULL) {
1.100 schwarze 378: rc = mparse_open(curp.mp, &fd, resp->file,
379: &child_pid);
380: if (fd == -1)
381: /* nothing */;
382: else if (resp->form & FORM_SRC) {
1.97 schwarze 383: /* For .so only; ignore failure. */
384: chdir(paths.paths[resp->ipath]);
1.100 schwarze 385: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 386: } else
1.105 schwarze 387: rc = passthrough(resp->file, fd,
388: synopsis_only);
1.95 schwarze 389: resp++;
1.100 schwarze 390: } else {
391: rc = mparse_open(curp.mp, &fd, *argv++,
392: &child_pid);
393: if (fd != -1)
394: parse(&curp, fd, argv[-1], &rc);
395: }
396:
397: if (child_pid &&
398: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
399: rc = MANDOCLEVEL_SYSERR;
400:
1.76 schwarze 401: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 402: break;
1.95 schwarze 403: argc--;
1.1 kristaps 404: }
405:
406: if (curp.outfree)
407: (*curp.outfree)(curp.outdata);
1.102 schwarze 408: mparse_free(curp.mp);
409: mchars_free(curp.mchars);
1.95 schwarze 410:
411: out:
412: if (search.argmode != ARG_FILE) {
1.97 schwarze 413: manpath_free(&paths);
1.95 schwarze 414: mansearch_free(res, sz);
415: mansearch_setup(0);
416: }
417:
1.83 schwarze 418: free(defos);
1.1 kristaps 419:
1.76 schwarze 420: return((int)rc);
1.1 kristaps 421: }
422:
1.20 schwarze 423: static void
1.3 schwarze 424: version(void)
425: {
426:
1.95 schwarze 427: printf("mandoc %s\n", VERSION);
1.47 schwarze 428: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 429: }
430:
1.20 schwarze 431: static void
1.95 schwarze 432: usage(enum argmode argmode)
1.1 kristaps 433: {
434:
1.95 schwarze 435: switch (argmode) {
436: case ARG_FILE:
1.98 schwarze 437: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 jmc 438: "[-Kencoding] [-mformat] [-Ooption]\n"
439: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 440: break;
441: case ARG_NAME:
1.96 schwarze 442: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 443: "[-M path] [-m path] [-S arch] [-s section]\n"
444: "\t [section] name ...\n", stderr);
445: break;
446: case ARG_WORD:
1.98 schwarze 447: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 448: "[-M path] [-m path] [-O outkey] [-S arch]\n"
449: "\t [-s section] name ...\n", stderr);
1.95 schwarze 450: break;
451: case ARG_EXPR:
1.98 schwarze 452: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 453: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 454: "\t [-s section] expression ...\n", stderr);
455: break;
456: }
1.47 schwarze 457: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 458: }
459:
1.27 schwarze 460: static void
1.90 schwarze 461: parse(struct curparse *curp, int fd, const char *file,
462: enum mandoclevel *level)
1.52 schwarze 463: {
1.76 schwarze 464: enum mandoclevel rc;
465: struct mdoc *mdoc;
466: struct man *man;
1.52 schwarze 467:
1.76 schwarze 468: /* Begin by parsing the file itself. */
1.52 schwarze 469:
1.76 schwarze 470: assert(file);
471: assert(fd >= -1);
1.52 schwarze 472:
1.76 schwarze 473: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 474:
1.76 schwarze 475: /* Stop immediately if the parse has failed. */
1.1 kristaps 476:
1.76 schwarze 477: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 478: goto cleanup;
479:
480: /*
1.76 schwarze 481: * With -Wstop and warnings or errors of at least the requested
482: * level, do not produce output.
1.51 schwarze 483: */
484:
1.76 schwarze 485: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 486: goto cleanup;
487:
488: /* If unset, allocate output dev now (if applicable). */
489:
490: if ( ! (curp->outman && curp->outmdoc)) {
491: switch (curp->outtype) {
1.90 schwarze 492: case OUTT_HTML:
1.102 schwarze 493: curp->outdata = html_alloc(curp->mchars,
494: curp->outopts);
1.77 schwarze 495: curp->outfree = html_free;
496: break;
1.90 schwarze 497: case OUTT_UTF8:
1.102 schwarze 498: curp->outdata = utf8_alloc(curp->mchars,
499: curp->outopts);
1.77 schwarze 500: curp->outfree = ascii_free;
501: break;
1.90 schwarze 502: case OUTT_LOCALE:
1.102 schwarze 503: curp->outdata = locale_alloc(curp->mchars,
504: curp->outopts);
1.77 schwarze 505: curp->outfree = ascii_free;
1.51 schwarze 506: break;
1.90 schwarze 507: case OUTT_ASCII:
1.102 schwarze 508: curp->outdata = ascii_alloc(curp->mchars,
509: curp->outopts);
1.51 schwarze 510: curp->outfree = ascii_free;
511: break;
1.90 schwarze 512: case OUTT_PDF:
1.102 schwarze 513: curp->outdata = pdf_alloc(curp->mchars,
514: curp->outopts);
1.51 schwarze 515: curp->outfree = pspdf_free;
516: break;
1.90 schwarze 517: case OUTT_PS:
1.102 schwarze 518: curp->outdata = ps_alloc(curp->mchars,
519: curp->outopts);
1.51 schwarze 520: curp->outfree = pspdf_free;
521: break;
522: default:
523: break;
524: }
525:
526: switch (curp->outtype) {
1.90 schwarze 527: case OUTT_HTML:
1.51 schwarze 528: curp->outman = html_man;
529: curp->outmdoc = html_mdoc;
530: break;
1.90 schwarze 531: case OUTT_TREE:
1.51 schwarze 532: curp->outman = tree_man;
533: curp->outmdoc = tree_mdoc;
534: break;
1.90 schwarze 535: case OUTT_MAN:
1.78 schwarze 536: curp->outmdoc = man_mdoc;
1.80 schwarze 537: curp->outman = man_man;
1.78 schwarze 538: break;
1.90 schwarze 539: case OUTT_PDF:
1.51 schwarze 540: /* FALLTHROUGH */
1.90 schwarze 541: case OUTT_ASCII:
1.51 schwarze 542: /* FALLTHROUGH */
1.90 schwarze 543: case OUTT_UTF8:
1.77 schwarze 544: /* FALLTHROUGH */
1.90 schwarze 545: case OUTT_LOCALE:
1.77 schwarze 546: /* FALLTHROUGH */
1.90 schwarze 547: case OUTT_PS:
1.51 schwarze 548: curp->outman = terminal_man;
549: curp->outmdoc = terminal_mdoc;
550: break;
551: default:
552: break;
553: }
554: }
555:
1.88 schwarze 556: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 557:
1.51 schwarze 558: /* Execute the out device, if it exists. */
559:
1.76 schwarze 560: if (man && curp->outman)
561: (*curp->outman)(curp->outdata, man);
562: if (mdoc && curp->outmdoc)
563: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 564:
565: cleanup:
1.59 schwarze 566:
1.76 schwarze 567: mparse_reset(curp->mp);
1.59 schwarze 568:
1.76 schwarze 569: if (*level < rc)
570: *level = rc;
1.1 kristaps 571: }
572:
1.95 schwarze 573: static enum mandoclevel
1.105 schwarze 574: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 575: {
1.105 schwarze 576: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
577: const char synr[] = "SYNOPSIS";
578:
579: FILE *stream;
1.95 schwarze 580: const char *syscall;
1.105 schwarze 581: char *line;
582: size_t len, off;
583: ssize_t nw;
584: int print;
585:
586: if ((stream = fdopen(fd, "r")) == NULL) {
587: close(fd);
588: syscall = "fdopen";
589: goto fail;
590: }
1.95 schwarze 591:
1.105 schwarze 592: print = 0;
593: while ((line = fgetln(stream, &len)) != NULL) {
594: if (synopsis_only) {
595: if (print) {
596: if ( ! isspace((unsigned char)*line))
597: goto done;
598: while (len &&
599: isspace((unsigned char)*line)) {
600: line++;
601: len--;
602: }
603: } else {
604: if ((len == sizeof(synb) &&
605: ! strncmp(line, synb, len - 1)) ||
606: (len == sizeof(synr) &&
607: ! strncmp(line, synr, len - 1)))
608: print = 1;
609: continue;
610: }
611: }
612: for (off = 0; off < len; off += nw)
613: if ((nw = write(STDOUT_FILENO, line + off,
614: len - off)) == -1 || nw == 0) {
615: fclose(stream);
1.95 schwarze 616: syscall = "write";
617: goto fail;
618: }
1.105 schwarze 619: }
1.95 schwarze 620:
1.105 schwarze 621: if (ferror(stream)) {
622: fclose(stream);
623: syscall = "fgetln";
624: goto fail;
625: }
1.101 schwarze 626:
1.105 schwarze 627: done:
628: fclose(stream);
629: return(MANDOCLEVEL_OK);
1.95 schwarze 630:
631: fail:
632: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
633: progname, file, syscall, strerror(errno));
634: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 635: }
636:
637: static int
638: koptions(int *options, char *arg)
639: {
640:
641: if ( ! strcmp(arg, "utf-8")) {
642: *options |= MPARSE_UTF8;
643: *options &= ~MPARSE_LATIN1;
644: } else if ( ! strcmp(arg, "iso-8859-1")) {
645: *options |= MPARSE_LATIN1;
646: *options &= ~MPARSE_UTF8;
647: } else if ( ! strcmp(arg, "us-ascii")) {
648: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
649: } else {
650: fprintf(stderr, "%s: -K%s: Bad argument\n",
651: progname, arg);
652: return(0);
653: }
654: return(1);
1.95 schwarze 655: }
656:
1.1 kristaps 657: static int
1.87 schwarze 658: moptions(int *options, char *arg)
1.1 kristaps 659: {
660:
1.95 schwarze 661: if (arg == NULL)
662: /* nothing to do */;
663: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 664: *options |= MPARSE_MDOC;
1.1 kristaps 665: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 666: /* nothing to do */;
1.1 kristaps 667: else if (0 == strcmp(arg, "an"))
1.87 schwarze 668: *options |= MPARSE_MAN;
1.1 kristaps 669: else {
1.93 schwarze 670: fprintf(stderr, "%s: -m%s: Bad argument\n",
671: progname, arg);
1.1 kristaps 672: return(0);
673: }
674:
675: return(1);
676: }
677:
678: static int
1.22 schwarze 679: toptions(struct curparse *curp, char *arg)
1.1 kristaps 680: {
681:
682: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 683: curp->outtype = OUTT_ASCII;
684: else if (0 == strcmp(arg, "lint")) {
685: curp->outtype = OUTT_LINT;
1.45 schwarze 686: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 687: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 688: curp->outtype = OUTT_TREE;
1.78 schwarze 689: else if (0 == strcmp(arg, "man"))
690: curp->outtype = OUTT_MAN;
1.17 schwarze 691: else if (0 == strcmp(arg, "html"))
1.22 schwarze 692: curp->outtype = OUTT_HTML;
1.77 schwarze 693: else if (0 == strcmp(arg, "utf8"))
694: curp->outtype = OUTT_UTF8;
695: else if (0 == strcmp(arg, "locale"))
696: curp->outtype = OUTT_LOCALE;
1.21 schwarze 697: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 698: curp->outtype = OUTT_HTML;
1.36 schwarze 699: else if (0 == strcmp(arg, "ps"))
700: curp->outtype = OUTT_PS;
1.43 schwarze 701: else if (0 == strcmp(arg, "pdf"))
702: curp->outtype = OUTT_PDF;
1.1 kristaps 703: else {
1.93 schwarze 704: fprintf(stderr, "%s: -T%s: Bad argument\n",
705: progname, arg);
1.1 kristaps 706: return(0);
707: }
708:
709: return(1);
710: }
711:
712: static int
1.45 schwarze 713: woptions(struct curparse *curp, char *arg)
1.1 kristaps 714: {
1.10 schwarze 715: char *v, *o;
1.90 schwarze 716: const char *toks[6];
1.1 kristaps 717:
1.45 schwarze 718: toks[0] = "stop";
719: toks[1] = "all";
720: toks[2] = "warning";
721: toks[3] = "error";
722: toks[4] = "fatal";
723: toks[5] = NULL;
1.1 kristaps 724:
1.10 schwarze 725: while (*arg) {
726: o = arg;
1.17 schwarze 727: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 728: case 0:
1.45 schwarze 729: curp->wstop = 1;
1.1 kristaps 730: break;
1.90 schwarze 731: case 1:
1.45 schwarze 732: /* FALLTHROUGH */
1.90 schwarze 733: case 2:
1.45 schwarze 734: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 735: break;
1.90 schwarze 736: case 3:
1.45 schwarze 737: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 738: break;
1.90 schwarze 739: case 4:
1.45 schwarze 740: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 741: break;
1.1 kristaps 742: default:
1.93 schwarze 743: fprintf(stderr, "%s: -W%s: Bad argument\n",
744: progname, o);
1.1 kristaps 745: return(0);
746: }
1.10 schwarze 747: }
1.1 kristaps 748:
749: return(1);
750: }
751:
1.75 schwarze 752: static void
1.90 schwarze 753: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 754: const char *file, int line, int col, const char *msg)
1.30 schwarze 755: {
1.94 schwarze 756: const char *mparse_msg;
1.45 schwarze 757:
1.92 schwarze 758: fprintf(stderr, "%s: %s:", progname, file);
759:
760: if (line)
761: fprintf(stderr, "%d:%d:", line, col + 1);
762:
1.94 schwarze 763: fprintf(stderr, " %s", mparse_strlevel(lvl));
764:
765: if (NULL != (mparse_msg = mparse_strerror(t)))
766: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 767:
768: if (msg)
769: fprintf(stderr, ": %s", msg);
1.76 schwarze 770:
1.30 schwarze 771: fputc('\n', stderr);
1.95 schwarze 772: }
773:
774: static void
775: spawn_pager(void)
776: {
777: #define MAX_PAGER_ARGS 16
778: char *argv[MAX_PAGER_ARGS];
779: const char *pager;
780: char *cp;
781: int fildes[2];
782: int argc;
783:
784: if (pipe(fildes) == -1) {
785: fprintf(stderr, "%s: pipe: %s\n",
786: progname, strerror(errno));
787: return;
788: }
789:
790: switch (fork()) {
791: case -1:
792: fprintf(stderr, "%s: fork: %s\n",
793: progname, strerror(errno));
794: exit((int)MANDOCLEVEL_SYSERR);
795: case 0:
796: close(fildes[0]);
797: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
798: fprintf(stderr, "%s: dup output: %s\n",
799: progname, strerror(errno));
800: exit((int)MANDOCLEVEL_SYSERR);
801: }
802: return;
803: default:
804: break;
805: }
806:
807: /* The original process becomes the pager. */
808:
809: close(fildes[1]);
810: if (dup2(fildes[0], STDIN_FILENO) == -1) {
811: fprintf(stderr, "%s: dup input: %s\n",
812: progname, strerror(errno));
813: exit((int)MANDOCLEVEL_SYSERR);
814: }
815:
816: pager = getenv("MANPAGER");
817: if (pager == NULL || *pager == '\0')
818: pager = getenv("PAGER");
819: if (pager == NULL || *pager == '\0')
820: pager = "/usr/bin/more -s";
821: cp = mandoc_strdup(pager);
822:
823: /*
824: * Parse the pager command into words.
825: * Intentionally do not do anything fancy here.
826: */
827:
828: argc = 0;
829: while (argc + 1 < MAX_PAGER_ARGS) {
830: argv[argc++] = cp;
831: cp = strchr(cp, ' ');
832: if (cp == NULL)
833: break;
834: *cp++ = '\0';
835: while (*cp == ' ')
836: cp++;
837: if (*cp == '\0')
838: break;
839: }
840: argv[argc] = NULL;
841:
842: /* Hand over to the pager. */
843:
844: execvp(argv[0], argv);
845: fprintf(stderr, "%s: exec: %s\n",
846: progname, strerror(errno));
847: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 848: }
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