Annotation of src/usr.bin/mandoc/main.c, Revision 1.110
1.110 ! schwarze 1: /* $OpenBSD: main.c,v 1.109 2014/12/02 11:31:46 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;
104: char *conf_file, *defpaths, *auxpaths;
105: char *defos;
106: struct manpage *res, *resp;
107: size_t isec, i, sz;
108: int prio, best_prio;
109: char sec;
110: enum mandoclevel rc;
111: enum outmode outmode;
1.100 schwarze 112: int fd;
1.95 schwarze 113: int show_usage;
114: int use_pager;
1.105 schwarze 115: int synopsis_only;
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));
132: conf_file = defpaths = auxpaths = NULL;
133:
134: memset(&search, 0, sizeof(struct mansearch));
135: search.outkey = "Nd";
136:
137: if (strcmp(progname, "man") == 0)
138: search.argmode = ARG_NAME;
139: else if (strncmp(progname, "apropos", 7) == 0)
140: search.argmode = ARG_EXPR;
141: else if (strncmp(progname, "whatis", 6) == 0)
142: search.argmode = ARG_WORD;
1.110 ! schwarze 143: else if (strncmp(progname, "help", 4) == 0)
! 144: search.argmode = ARG_NAME;
1.95 schwarze 145: else
146: search.argmode = ARG_FILE;
147:
148: /* Parser and formatter options. */
149:
1.19 schwarze 150: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 151: curp.outtype = OUTT_LOCALE;
1.45 schwarze 152: curp.wlevel = MANDOCLEVEL_FATAL;
1.103 schwarze 153: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 154: defos = NULL;
1.1 kristaps 155:
1.95 schwarze 156: use_pager = 1;
157: show_usage = 0;
1.105 schwarze 158: synopsis_only = 0;
1.95 schwarze 159: outmode = OUTMODE_DEF;
160:
1.103 schwarze 161: while (-1 != (c = getopt(argc, argv,
162: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 163: switch (c) {
1.95 schwarze 164: case 'a':
165: outmode = OUTMODE_ALL;
166: break;
167: case 'C':
168: conf_file = optarg;
169: break;
170: case 'c':
171: use_pager = 0;
172: break;
173: case 'f':
174: search.argmode = ARG_WORD;
175: break;
1.98 schwarze 176: case 'h':
177: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 178: synopsis_only = 1;
1.106 schwarze 179: use_pager = 0;
1.98 schwarze 180: outmode = OUTMODE_ALL;
181: break;
1.90 schwarze 182: case 'I':
1.83 schwarze 183: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 184: fprintf(stderr,
1.93 schwarze 185: "%s: -I%s: Bad argument\n",
186: progname, optarg);
1.83 schwarze 187: return((int)MANDOCLEVEL_BADARG);
188: }
189: if (defos) {
1.90 schwarze 190: fprintf(stderr,
1.93 schwarze 191: "%s: -I%s: Duplicate argument\n",
192: progname, optarg);
1.83 schwarze 193: return((int)MANDOCLEVEL_BADARG);
194: }
195: defos = mandoc_strdup(optarg + 3);
196: break;
1.95 schwarze 197: case 'i':
198: outmode = OUTMODE_INT;
199: break;
1.103 schwarze 200: case 'K':
201: if ( ! koptions(&options, optarg))
202: return((int)MANDOCLEVEL_BADARG);
203: break;
1.95 schwarze 204: case 'k':
205: search.argmode = ARG_EXPR;
206: break;
1.96 schwarze 207: case 'l':
208: search.argmode = ARG_FILE;
209: outmode = OUTMODE_ALL;
210: break;
1.95 schwarze 211: case 'M':
212: defpaths = optarg;
213: break;
1.90 schwarze 214: case 'm':
1.95 schwarze 215: auxpaths = optarg;
1.1 kristaps 216: break;
1.90 schwarze 217: case 'O':
1.95 schwarze 218: search.outkey = optarg;
1.18 schwarze 219: (void)strlcat(curp.outopts, optarg, BUFSIZ);
220: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 221: break;
1.95 schwarze 222: case 'S':
223: search.arch = optarg;
224: break;
225: case 's':
226: search.sec = optarg;
227: break;
1.90 schwarze 228: case 'T':
1.22 schwarze 229: if ( ! toptions(&curp, optarg))
1.47 schwarze 230: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 231: break;
1.90 schwarze 232: case 'W':
1.45 schwarze 233: if ( ! woptions(&curp, optarg))
1.47 schwarze 234: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 235: break;
1.95 schwarze 236: case 'w':
237: outmode = OUTMODE_FLN;
238: break;
1.90 schwarze 239: case 'V':
1.3 schwarze 240: version();
241: /* NOTREACHED */
1.1 kristaps 242: default:
1.95 schwarze 243: show_usage = 1;
244: break;
245: }
246: }
247:
248: if (show_usage)
249: usage(search.argmode);
250:
251: /* Postprocess options. */
252:
253: if (outmode == OUTMODE_DEF) {
254: switch (search.argmode) {
255: case ARG_FILE:
256: outmode = OUTMODE_ALL;
257: use_pager = 0;
258: break;
259: case ARG_NAME:
260: outmode = OUTMODE_ONE;
261: break;
262: default:
263: outmode = OUTMODE_LST;
264: break;
265: }
266: }
267:
268: /* Parse arguments. */
269:
270: argc -= optind;
271: argv += optind;
272: resp = NULL;
273:
1.110 ! schwarze 274: /*
! 275: * Quirks for help(1)
! 276: * and for a man(1) section argument without -s.
! 277: */
! 278:
! 279: if (search.argmode == ARG_NAME) {
! 280: if (*progname == 'h') {
! 281: if (argc == 0) {
! 282: argv = help_argv;
! 283: argc = 1;
! 284: }
! 285: } else if (argv[0] != NULL &&
! 286: isdigit((unsigned char)argv[0][0]) &&
! 287: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
! 288: search.sec = argv[0];
! 289: argv++;
! 290: argc--;
! 291: }
1.95 schwarze 292: }
293:
294: rc = MANDOCLEVEL_OK;
295:
296: /* man(1), whatis(1), apropos(1) */
297:
298: if (search.argmode != ARG_FILE) {
299: if (argc == 0)
300: usage(search.argmode);
1.107 schwarze 301:
302: if (search.argmode == ARG_NAME &&
303: outmode == OUTMODE_ONE)
304: search.firstmatch = 1;
1.95 schwarze 305:
306: /* Access the mandoc database. */
307:
308: manpath_parse(&paths, conf_file, defpaths, auxpaths);
309: mansearch_setup(1);
310: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
311: usage(search.argmode);
312: resp = res;
313:
314: if (sz == 0) {
315: if (search.argmode == ARG_NAME)
316: fprintf(stderr, "%s: No entry for %s "
317: "in the manual.\n", progname, argv[0]);
318: rc = MANDOCLEVEL_BADARG;
319: goto out;
320: }
321:
322: /*
323: * For standard man(1) and -a output mode,
324: * prepare for copying filename pointers
325: * into the program parameter array.
326: */
327:
328: if (outmode == OUTMODE_ONE) {
329: argc = 1;
330: best_prio = 10;
331: } else if (outmode == OUTMODE_ALL)
332: argc = (int)sz;
333:
334: /* Iterate all matching manuals. */
335:
336: for (i = 0; i < sz; i++) {
337: if (outmode == OUTMODE_FLN)
338: puts(res[i].file);
339: else if (outmode == OUTMODE_LST)
340: printf("%s - %s\n", res[i].names,
341: res[i].output == NULL ? "" :
342: res[i].output);
343: else if (outmode == OUTMODE_ONE) {
344: /* Search for the best section. */
345: isec = strcspn(res[i].file, "123456789");
346: sec = res[i].file[isec];
347: if ('\0' == sec)
348: continue;
349: prio = sec_prios[sec - '1'];
350: if (prio >= best_prio)
351: continue;
352: best_prio = prio;
353: resp = res + i;
354: }
1.1 kristaps 355: }
356:
1.95 schwarze 357: /*
358: * For man(1), -a and -i output mode, fall through
359: * to the main mandoc(1) code iterating files
360: * and running the parsers on each of them.
361: */
362:
363: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
364: goto out;
365: }
366:
367: /* mandoc(1) */
368:
369: if ( ! moptions(&options, auxpaths))
370: return((int)MANDOCLEVEL_BADARG);
371:
372: if (use_pager && isatty(STDOUT_FILENO))
373: spawn_pager();
374:
1.102 schwarze 375: curp.mchars = mchars_alloc();
376: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
377: curp.mchars, defos);
1.76 schwarze 378:
1.80 schwarze 379: /*
380: * Conditionally start up the lookaside buffer before parsing.
381: */
382: if (OUTT_MAN == curp.outtype)
383: mparse_keep(curp.mp);
384:
1.95 schwarze 385: if (argc == 0)
1.76 schwarze 386: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 387:
1.95 schwarze 388: while (argc) {
389: if (resp != NULL) {
1.108 schwarze 390: rc = mparse_open(curp.mp, &fd, resp->file);
1.100 schwarze 391: if (fd == -1)
392: /* nothing */;
393: else if (resp->form & FORM_SRC) {
1.97 schwarze 394: /* For .so only; ignore failure. */
395: chdir(paths.paths[resp->ipath]);
1.100 schwarze 396: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 397: } else
1.105 schwarze 398: rc = passthrough(resp->file, fd,
399: synopsis_only);
1.95 schwarze 400: resp++;
1.100 schwarze 401: } else {
1.108 schwarze 402: rc = mparse_open(curp.mp, &fd, *argv++);
1.100 schwarze 403: if (fd != -1)
404: parse(&curp, fd, argv[-1], &rc);
405: }
406:
1.108 schwarze 407: if (mparse_wait(curp.mp) != MANDOCLEVEL_OK)
1.100 schwarze 408: rc = MANDOCLEVEL_SYSERR;
409:
1.76 schwarze 410: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 411: break;
1.95 schwarze 412: argc--;
1.1 kristaps 413: }
414:
415: if (curp.outfree)
416: (*curp.outfree)(curp.outdata);
1.102 schwarze 417: mparse_free(curp.mp);
418: mchars_free(curp.mchars);
1.95 schwarze 419:
420: out:
421: if (search.argmode != ARG_FILE) {
1.97 schwarze 422: manpath_free(&paths);
1.95 schwarze 423: mansearch_free(res, sz);
424: mansearch_setup(0);
425: }
426:
1.83 schwarze 427: free(defos);
1.1 kristaps 428:
1.76 schwarze 429: return((int)rc);
1.1 kristaps 430: }
431:
1.20 schwarze 432: static void
1.3 schwarze 433: version(void)
434: {
435:
1.95 schwarze 436: printf("mandoc %s\n", VERSION);
1.47 schwarze 437: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 438: }
439:
1.20 schwarze 440: static void
1.95 schwarze 441: usage(enum argmode argmode)
1.1 kristaps 442: {
443:
1.95 schwarze 444: switch (argmode) {
445: case ARG_FILE:
1.98 schwarze 446: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 jmc 447: "[-Kencoding] [-mformat] [-Ooption]\n"
448: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 449: break;
450: case ARG_NAME:
1.96 schwarze 451: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 452: "[-M path] [-m path] [-S arch] [-s section]\n"
453: "\t [section] name ...\n", stderr);
454: break;
455: case ARG_WORD:
1.98 schwarze 456: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 457: "[-M path] [-m path] [-O outkey] [-S arch]\n"
458: "\t [-s section] name ...\n", stderr);
1.95 schwarze 459: break;
460: case ARG_EXPR:
1.98 schwarze 461: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 462: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 463: "\t [-s section] expression ...\n", stderr);
464: break;
465: }
1.47 schwarze 466: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 467: }
468:
1.27 schwarze 469: static void
1.90 schwarze 470: parse(struct curparse *curp, int fd, const char *file,
471: enum mandoclevel *level)
1.52 schwarze 472: {
1.76 schwarze 473: enum mandoclevel rc;
474: struct mdoc *mdoc;
475: struct man *man;
1.52 schwarze 476:
1.76 schwarze 477: /* Begin by parsing the file itself. */
1.52 schwarze 478:
1.76 schwarze 479: assert(file);
480: assert(fd >= -1);
1.52 schwarze 481:
1.76 schwarze 482: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 483:
1.76 schwarze 484: /* Stop immediately if the parse has failed. */
1.1 kristaps 485:
1.76 schwarze 486: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 487: goto cleanup;
488:
489: /*
1.76 schwarze 490: * With -Wstop and warnings or errors of at least the requested
491: * level, do not produce output.
1.51 schwarze 492: */
493:
1.76 schwarze 494: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 495: goto cleanup;
496:
497: /* If unset, allocate output dev now (if applicable). */
498:
499: if ( ! (curp->outman && curp->outmdoc)) {
500: switch (curp->outtype) {
1.90 schwarze 501: case OUTT_HTML:
1.102 schwarze 502: curp->outdata = html_alloc(curp->mchars,
503: curp->outopts);
1.77 schwarze 504: curp->outfree = html_free;
505: break;
1.90 schwarze 506: case OUTT_UTF8:
1.102 schwarze 507: curp->outdata = utf8_alloc(curp->mchars,
508: curp->outopts);
1.77 schwarze 509: curp->outfree = ascii_free;
510: break;
1.90 schwarze 511: case OUTT_LOCALE:
1.102 schwarze 512: curp->outdata = locale_alloc(curp->mchars,
513: curp->outopts);
1.77 schwarze 514: curp->outfree = ascii_free;
1.51 schwarze 515: break;
1.90 schwarze 516: case OUTT_ASCII:
1.102 schwarze 517: curp->outdata = ascii_alloc(curp->mchars,
518: curp->outopts);
1.51 schwarze 519: curp->outfree = ascii_free;
520: break;
1.90 schwarze 521: case OUTT_PDF:
1.102 schwarze 522: curp->outdata = pdf_alloc(curp->mchars,
523: curp->outopts);
1.51 schwarze 524: curp->outfree = pspdf_free;
525: break;
1.90 schwarze 526: case OUTT_PS:
1.102 schwarze 527: curp->outdata = ps_alloc(curp->mchars,
528: curp->outopts);
1.51 schwarze 529: curp->outfree = pspdf_free;
530: break;
531: default:
532: break;
533: }
534:
535: switch (curp->outtype) {
1.90 schwarze 536: case OUTT_HTML:
1.51 schwarze 537: curp->outman = html_man;
538: curp->outmdoc = html_mdoc;
539: break;
1.90 schwarze 540: case OUTT_TREE:
1.51 schwarze 541: curp->outman = tree_man;
542: curp->outmdoc = tree_mdoc;
543: break;
1.90 schwarze 544: case OUTT_MAN:
1.78 schwarze 545: curp->outmdoc = man_mdoc;
1.80 schwarze 546: curp->outman = man_man;
1.78 schwarze 547: break;
1.90 schwarze 548: case OUTT_PDF:
1.51 schwarze 549: /* FALLTHROUGH */
1.90 schwarze 550: case OUTT_ASCII:
1.51 schwarze 551: /* FALLTHROUGH */
1.90 schwarze 552: case OUTT_UTF8:
1.77 schwarze 553: /* FALLTHROUGH */
1.90 schwarze 554: case OUTT_LOCALE:
1.77 schwarze 555: /* FALLTHROUGH */
1.90 schwarze 556: case OUTT_PS:
1.51 schwarze 557: curp->outman = terminal_man;
558: curp->outmdoc = terminal_mdoc;
559: break;
560: default:
561: break;
562: }
563: }
564:
1.88 schwarze 565: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 566:
1.51 schwarze 567: /* Execute the out device, if it exists. */
568:
1.76 schwarze 569: if (man && curp->outman)
570: (*curp->outman)(curp->outdata, man);
571: if (mdoc && curp->outmdoc)
572: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 573:
574: cleanup:
1.59 schwarze 575:
1.76 schwarze 576: mparse_reset(curp->mp);
1.59 schwarze 577:
1.76 schwarze 578: if (*level < rc)
579: *level = rc;
1.1 kristaps 580: }
581:
1.95 schwarze 582: static enum mandoclevel
1.105 schwarze 583: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 584: {
1.105 schwarze 585: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
586: const char synr[] = "SYNOPSIS";
587:
588: FILE *stream;
1.95 schwarze 589: const char *syscall;
1.105 schwarze 590: char *line;
591: size_t len, off;
592: ssize_t nw;
593: int print;
594:
595: if ((stream = fdopen(fd, "r")) == NULL) {
596: close(fd);
597: syscall = "fdopen";
598: goto fail;
599: }
1.95 schwarze 600:
1.105 schwarze 601: print = 0;
602: while ((line = fgetln(stream, &len)) != NULL) {
603: if (synopsis_only) {
604: if (print) {
605: if ( ! isspace((unsigned char)*line))
606: goto done;
607: while (len &&
608: isspace((unsigned char)*line)) {
609: line++;
610: len--;
611: }
612: } else {
613: if ((len == sizeof(synb) &&
614: ! strncmp(line, synb, len - 1)) ||
615: (len == sizeof(synr) &&
616: ! strncmp(line, synr, len - 1)))
617: print = 1;
618: continue;
619: }
620: }
621: for (off = 0; off < len; off += nw)
622: if ((nw = write(STDOUT_FILENO, line + off,
623: len - off)) == -1 || nw == 0) {
624: fclose(stream);
1.95 schwarze 625: syscall = "write";
626: goto fail;
627: }
1.105 schwarze 628: }
1.95 schwarze 629:
1.105 schwarze 630: if (ferror(stream)) {
631: fclose(stream);
632: syscall = "fgetln";
633: goto fail;
634: }
1.101 schwarze 635:
1.105 schwarze 636: done:
637: fclose(stream);
638: return(MANDOCLEVEL_OK);
1.95 schwarze 639:
640: fail:
641: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
642: progname, file, syscall, strerror(errno));
643: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 644: }
645:
646: static int
647: koptions(int *options, char *arg)
648: {
649:
650: if ( ! strcmp(arg, "utf-8")) {
651: *options |= MPARSE_UTF8;
652: *options &= ~MPARSE_LATIN1;
653: } else if ( ! strcmp(arg, "iso-8859-1")) {
654: *options |= MPARSE_LATIN1;
655: *options &= ~MPARSE_UTF8;
656: } else if ( ! strcmp(arg, "us-ascii")) {
657: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
658: } else {
659: fprintf(stderr, "%s: -K%s: Bad argument\n",
660: progname, arg);
661: return(0);
662: }
663: return(1);
1.95 schwarze 664: }
665:
1.1 kristaps 666: static int
1.87 schwarze 667: moptions(int *options, char *arg)
1.1 kristaps 668: {
669:
1.95 schwarze 670: if (arg == NULL)
671: /* nothing to do */;
672: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 673: *options |= MPARSE_MDOC;
1.1 kristaps 674: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 675: /* nothing to do */;
1.1 kristaps 676: else if (0 == strcmp(arg, "an"))
1.87 schwarze 677: *options |= MPARSE_MAN;
1.1 kristaps 678: else {
1.93 schwarze 679: fprintf(stderr, "%s: -m%s: Bad argument\n",
680: progname, arg);
1.1 kristaps 681: return(0);
682: }
683:
684: return(1);
685: }
686:
687: static int
1.22 schwarze 688: toptions(struct curparse *curp, char *arg)
1.1 kristaps 689: {
690:
691: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 692: curp->outtype = OUTT_ASCII;
693: else if (0 == strcmp(arg, "lint")) {
694: curp->outtype = OUTT_LINT;
1.45 schwarze 695: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 696: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 697: curp->outtype = OUTT_TREE;
1.78 schwarze 698: else if (0 == strcmp(arg, "man"))
699: curp->outtype = OUTT_MAN;
1.17 schwarze 700: else if (0 == strcmp(arg, "html"))
1.22 schwarze 701: curp->outtype = OUTT_HTML;
1.77 schwarze 702: else if (0 == strcmp(arg, "utf8"))
703: curp->outtype = OUTT_UTF8;
704: else if (0 == strcmp(arg, "locale"))
705: curp->outtype = OUTT_LOCALE;
1.21 schwarze 706: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 707: curp->outtype = OUTT_HTML;
1.36 schwarze 708: else if (0 == strcmp(arg, "ps"))
709: curp->outtype = OUTT_PS;
1.43 schwarze 710: else if (0 == strcmp(arg, "pdf"))
711: curp->outtype = OUTT_PDF;
1.1 kristaps 712: else {
1.93 schwarze 713: fprintf(stderr, "%s: -T%s: Bad argument\n",
714: progname, arg);
1.1 kristaps 715: return(0);
716: }
717:
718: return(1);
719: }
720:
721: static int
1.45 schwarze 722: woptions(struct curparse *curp, char *arg)
1.1 kristaps 723: {
1.10 schwarze 724: char *v, *o;
1.90 schwarze 725: const char *toks[6];
1.1 kristaps 726:
1.45 schwarze 727: toks[0] = "stop";
728: toks[1] = "all";
729: toks[2] = "warning";
730: toks[3] = "error";
731: toks[4] = "fatal";
732: toks[5] = NULL;
1.1 kristaps 733:
1.10 schwarze 734: while (*arg) {
735: o = arg;
1.17 schwarze 736: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 737: case 0:
1.45 schwarze 738: curp->wstop = 1;
1.1 kristaps 739: break;
1.90 schwarze 740: case 1:
1.45 schwarze 741: /* FALLTHROUGH */
1.90 schwarze 742: case 2:
1.45 schwarze 743: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 744: break;
1.90 schwarze 745: case 3:
1.45 schwarze 746: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 747: break;
1.90 schwarze 748: case 4:
1.45 schwarze 749: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 750: break;
1.1 kristaps 751: default:
1.93 schwarze 752: fprintf(stderr, "%s: -W%s: Bad argument\n",
753: progname, o);
1.1 kristaps 754: return(0);
755: }
1.10 schwarze 756: }
1.1 kristaps 757:
758: return(1);
759: }
760:
1.75 schwarze 761: static void
1.90 schwarze 762: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 763: const char *file, int line, int col, const char *msg)
1.30 schwarze 764: {
1.94 schwarze 765: const char *mparse_msg;
1.45 schwarze 766:
1.92 schwarze 767: fprintf(stderr, "%s: %s:", progname, file);
768:
769: if (line)
770: fprintf(stderr, "%d:%d:", line, col + 1);
771:
1.94 schwarze 772: fprintf(stderr, " %s", mparse_strlevel(lvl));
773:
774: if (NULL != (mparse_msg = mparse_strerror(t)))
775: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 776:
777: if (msg)
778: fprintf(stderr, ": %s", msg);
1.76 schwarze 779:
1.30 schwarze 780: fputc('\n', stderr);
1.95 schwarze 781: }
782:
783: static void
784: spawn_pager(void)
785: {
786: #define MAX_PAGER_ARGS 16
787: char *argv[MAX_PAGER_ARGS];
788: const char *pager;
789: char *cp;
790: int fildes[2];
791: int argc;
792:
793: if (pipe(fildes) == -1) {
794: fprintf(stderr, "%s: pipe: %s\n",
795: progname, strerror(errno));
796: return;
797: }
798:
799: switch (fork()) {
800: case -1:
801: fprintf(stderr, "%s: fork: %s\n",
802: progname, strerror(errno));
803: exit((int)MANDOCLEVEL_SYSERR);
804: case 0:
805: close(fildes[0]);
806: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
807: fprintf(stderr, "%s: dup output: %s\n",
808: progname, strerror(errno));
809: exit((int)MANDOCLEVEL_SYSERR);
810: }
811: return;
812: default:
813: break;
814: }
815:
816: /* The original process becomes the pager. */
817:
818: close(fildes[1]);
819: if (dup2(fildes[0], STDIN_FILENO) == -1) {
820: fprintf(stderr, "%s: dup input: %s\n",
821: progname, strerror(errno));
822: exit((int)MANDOCLEVEL_SYSERR);
823: }
824:
825: pager = getenv("MANPAGER");
826: if (pager == NULL || *pager == '\0')
827: pager = getenv("PAGER");
828: if (pager == NULL || *pager == '\0')
829: pager = "/usr/bin/more -s";
830: cp = mandoc_strdup(pager);
831:
832: /*
833: * Parse the pager command into words.
834: * Intentionally do not do anything fancy here.
835: */
836:
837: argc = 0;
838: while (argc + 1 < MAX_PAGER_ARGS) {
839: argv[argc++] = cp;
840: cp = strchr(cp, ' ');
841: if (cp == NULL)
842: break;
843: *cp++ = '\0';
844: while (*cp == ' ')
845: cp++;
846: if (*cp == '\0')
847: break;
848: }
849: argv[argc] = NULL;
850:
851: /* Hand over to the pager. */
852:
853: execvp(argv[0], argv);
854: fprintf(stderr, "%s: exec: %s\n",
855: progname, strerror(errno));
856: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 857: }
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