Annotation of src/usr.bin/mandoc/main.c, Revision 1.97
1.97 ! schwarze 1: /* $OpenBSD: main.c,v 1.96 2014/08/30 18:04:52 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_XHTML, /* -Txhtml */
61: OUTT_LINT, /* -Tlint */
62: OUTT_PS, /* -Tps */
63: OUTT_PDF /* -Tpdf */
1.1 kristaps 64: };
65:
66: struct curparse {
1.76 schwarze 67: struct mparse *mp;
1.75 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:
1.79 schwarze 78: int mandocdb(int, char**);
1.87 schwarze 79: static int moptions(int *, char *);
1.76 schwarze 80: static void mmsg(enum mandocerr, enum mandoclevel,
81: const char *, int, int, const char *);
1.90 schwarze 82: static void parse(struct curparse *, int,
1.76 schwarze 83: const char *, enum mandoclevel *);
1.95 schwarze 84: static enum mandoclevel passthrough(const char *);
85: static void spawn_pager(void);
1.27 schwarze 86: static int toptions(struct curparse *, char *);
1.95 schwarze 87: static void usage(enum argmode) __attribute__((noreturn));
1.20 schwarze 88: static void version(void) __attribute__((noreturn));
1.45 schwarze 89: static int woptions(struct curparse *, char *);
1.1 kristaps 90:
1.95 schwarze 91: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.19 schwarze 92: static const char *progname;
1.1 kristaps 93:
1.90 schwarze 94:
1.1 kristaps 95: int
96: main(int argc, char *argv[])
97: {
98: struct curparse curp;
1.95 schwarze 99: struct mansearch search;
100: struct manpaths paths;
101: char *conf_file, *defpaths, *auxpaths;
102: char *defos;
103: struct manpage *res, *resp;
104: size_t isec, i, sz;
105: int prio, best_prio;
106: char sec;
107: enum mandoclevel rc;
108: enum outmode outmode;
109: int show_usage;
110: int use_pager;
1.87 schwarze 111: int options;
1.95 schwarze 112: int c;
1.1 kristaps 113:
1.19 schwarze 114: progname = strrchr(argv[0], '/');
115: if (progname == NULL)
116: progname = argv[0];
117: else
118: ++progname;
1.79 schwarze 119:
1.82 schwarze 120: if (0 == strncmp(progname, "mandocdb", 8) ||
121: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 122: return(mandocdb(argc, argv));
1.19 schwarze 123:
1.95 schwarze 124: /* Search options. */
125:
126: memset(&paths, 0, sizeof(struct manpaths));
127: conf_file = defpaths = auxpaths = NULL;
128:
129: memset(&search, 0, sizeof(struct mansearch));
130: search.outkey = "Nd";
131:
132: if (strcmp(progname, "man") == 0)
133: search.argmode = ARG_NAME;
134: else if (strncmp(progname, "apropos", 7) == 0)
135: search.argmode = ARG_EXPR;
136: else if (strncmp(progname, "whatis", 6) == 0)
137: search.argmode = ARG_WORD;
138: else
139: search.argmode = ARG_FILE;
140:
141: /* Parser and formatter options. */
142:
1.19 schwarze 143: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 144: curp.outtype = OUTT_ASCII;
1.45 schwarze 145: curp.wlevel = MANDOCLEVEL_FATAL;
1.95 schwarze 146: options = MPARSE_SO;
1.83 schwarze 147: defos = NULL;
1.1 kristaps 148:
1.95 schwarze 149: use_pager = 1;
150: show_usage = 0;
151: outmode = OUTMODE_DEF;
152:
1.96 schwarze 153: while (-1 != (c = getopt(argc, argv, "aC:cfI:iklM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 154: switch (c) {
1.95 schwarze 155: case 'a':
156: outmode = OUTMODE_ALL;
157: break;
158: case 'C':
159: conf_file = optarg;
160: break;
161: case 'c':
162: use_pager = 0;
163: break;
164: case 'f':
165: search.argmode = ARG_WORD;
166: break;
1.90 schwarze 167: case 'I':
1.83 schwarze 168: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 169: fprintf(stderr,
1.93 schwarze 170: "%s: -I%s: Bad argument\n",
171: progname, optarg);
1.83 schwarze 172: return((int)MANDOCLEVEL_BADARG);
173: }
174: if (defos) {
1.90 schwarze 175: fprintf(stderr,
1.93 schwarze 176: "%s: -I%s: Duplicate argument\n",
177: progname, optarg);
1.83 schwarze 178: return((int)MANDOCLEVEL_BADARG);
179: }
180: defos = mandoc_strdup(optarg + 3);
181: break;
1.95 schwarze 182: case 'i':
183: outmode = OUTMODE_INT;
184: break;
185: case 'k':
186: search.argmode = ARG_EXPR;
187: break;
1.96 schwarze 188: case 'l':
189: search.argmode = ARG_FILE;
190: outmode = OUTMODE_ALL;
191: break;
1.95 schwarze 192: case 'M':
193: defpaths = optarg;
194: break;
1.90 schwarze 195: case 'm':
1.95 schwarze 196: auxpaths = optarg;
1.1 kristaps 197: break;
1.90 schwarze 198: case 'O':
1.95 schwarze 199: search.outkey = optarg;
1.18 schwarze 200: (void)strlcat(curp.outopts, optarg, BUFSIZ);
201: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 202: break;
1.95 schwarze 203: case 'S':
204: search.arch = optarg;
205: break;
206: case 's':
207: search.sec = optarg;
208: break;
1.90 schwarze 209: case 'T':
1.22 schwarze 210: if ( ! toptions(&curp, optarg))
1.47 schwarze 211: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 212: break;
1.90 schwarze 213: case 'W':
1.45 schwarze 214: if ( ! woptions(&curp, optarg))
1.47 schwarze 215: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 216: break;
1.95 schwarze 217: case 'w':
218: outmode = OUTMODE_FLN;
219: break;
1.90 schwarze 220: case 'V':
1.3 schwarze 221: version();
222: /* NOTREACHED */
1.1 kristaps 223: default:
1.95 schwarze 224: show_usage = 1;
225: break;
226: }
227: }
228:
229: if (show_usage)
230: usage(search.argmode);
231:
232: /* Postprocess options. */
233:
234: if (outmode == OUTMODE_DEF) {
235: switch (search.argmode) {
236: case ARG_FILE:
237: outmode = OUTMODE_ALL;
238: use_pager = 0;
239: break;
240: case ARG_NAME:
241: outmode = OUTMODE_ONE;
242: break;
243: default:
244: outmode = OUTMODE_LST;
245: break;
246: }
247: }
248:
249: /* Parse arguments. */
250:
251: argc -= optind;
252: argv += optind;
253: resp = NULL;
254:
255: /* Quirk for a man(1) section argument without -s. */
256:
257: if (search.argmode == ARG_NAME &&
258: argv[0] != NULL &&
259: isdigit((unsigned char)argv[0][0]) &&
260: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
261: search.sec = argv[0];
262: argv++;
263: argc--;
264: }
265:
266: rc = MANDOCLEVEL_OK;
267:
268: /* man(1), whatis(1), apropos(1) */
269:
270: if (search.argmode != ARG_FILE) {
271: if (argc == 0)
272: usage(search.argmode);
273:
274: /* Access the mandoc database. */
275:
276: manpath_parse(&paths, conf_file, defpaths, auxpaths);
277: mansearch_setup(1);
278: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
279: usage(search.argmode);
280: resp = res;
281:
282: if (sz == 0) {
283: if (search.argmode == ARG_NAME)
284: fprintf(stderr, "%s: No entry for %s "
285: "in the manual.\n", progname, argv[0]);
286: rc = MANDOCLEVEL_BADARG;
287: goto out;
288: }
289:
290: /*
291: * For standard man(1) and -a output mode,
292: * prepare for copying filename pointers
293: * into the program parameter array.
294: */
295:
296: if (outmode == OUTMODE_ONE) {
297: argc = 1;
298: best_prio = 10;
299: } else if (outmode == OUTMODE_ALL)
300: argc = (int)sz;
301:
302: /* Iterate all matching manuals. */
303:
304: for (i = 0; i < sz; i++) {
305: if (outmode == OUTMODE_FLN)
306: puts(res[i].file);
307: else if (outmode == OUTMODE_LST)
308: printf("%s - %s\n", res[i].names,
309: res[i].output == NULL ? "" :
310: res[i].output);
311: else if (outmode == OUTMODE_ONE) {
312: /* Search for the best section. */
313: isec = strcspn(res[i].file, "123456789");
314: sec = res[i].file[isec];
315: if ('\0' == sec)
316: continue;
317: prio = sec_prios[sec - '1'];
318: if (prio >= best_prio)
319: continue;
320: best_prio = prio;
321: resp = res + i;
322: }
1.1 kristaps 323: }
324:
1.95 schwarze 325: /*
326: * For man(1), -a and -i output mode, fall through
327: * to the main mandoc(1) code iterating files
328: * and running the parsers on each of them.
329: */
330:
331: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
332: goto out;
333: }
334:
335: /* mandoc(1) */
336:
337: if ( ! moptions(&options, auxpaths))
338: return((int)MANDOCLEVEL_BADARG);
339:
340: if (use_pager && isatty(STDOUT_FILENO))
341: spawn_pager();
342:
1.87 schwarze 343: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.76 schwarze 344:
1.80 schwarze 345: /*
346: * Conditionally start up the lookaside buffer before parsing.
347: */
348: if (OUTT_MAN == curp.outtype)
349: mparse_keep(curp.mp);
350:
1.95 schwarze 351: if (argc == 0)
1.76 schwarze 352: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 353:
1.95 schwarze 354: while (argc) {
355: if (resp != NULL) {
1.97 ! schwarze 356: if (resp->form) {
! 357: /* For .so only; ignore failure. */
! 358: chdir(paths.paths[resp->ipath]);
1.95 schwarze 359: parse(&curp, -1, resp->file, &rc);
1.97 ! schwarze 360: } else
1.95 schwarze 361: rc = passthrough(resp->file);
362: resp++;
363: } else
364: parse(&curp, -1, *argv++, &rc);
1.76 schwarze 365: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 366: break;
1.95 schwarze 367: argc--;
1.1 kristaps 368: }
369:
370: if (curp.outfree)
371: (*curp.outfree)(curp.outdata);
1.76 schwarze 372: if (curp.mp)
373: mparse_free(curp.mp);
1.95 schwarze 374:
375: out:
376: if (search.argmode != ARG_FILE) {
1.97 ! schwarze 377: manpath_free(&paths);
1.95 schwarze 378: mansearch_free(res, sz);
379: mansearch_setup(0);
380: }
381:
1.83 schwarze 382: free(defos);
1.1 kristaps 383:
1.76 schwarze 384: return((int)rc);
1.1 kristaps 385: }
386:
1.20 schwarze 387: static void
1.3 schwarze 388: version(void)
389: {
390:
1.95 schwarze 391: printf("mandoc %s\n", VERSION);
1.47 schwarze 392: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 393: }
394:
1.20 schwarze 395: static void
1.95 schwarze 396: usage(enum argmode argmode)
1.1 kristaps 397: {
398:
1.95 schwarze 399: switch (argmode) {
400: case ARG_FILE:
1.96 schwarze 401: fputs("usage: mandoc [-acfklV] [-Ios=name] "
402: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.95 schwarze 403: "\t [file ...]\n", stderr);
404: break;
405: case ARG_NAME:
1.96 schwarze 406: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 407: "[-M path] [-m path] [-S arch] [-s section]\n"
408: "\t [section] name ...\n", stderr);
409: break;
410: case ARG_WORD:
1.96 schwarze 411: fputs("usage: whatis [-acfklVw] [-C file] "
412: "[-M path] [-m path] [-O outkey] [-S arch]\n"
413: "\t [-s section] name ...\n", stderr);
1.95 schwarze 414: break;
415: case ARG_EXPR:
1.96 schwarze 416: fputs("usage: apropos [-acfklVw] [-C file] "
417: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 418: "\t [-s section] expression ...\n", stderr);
419: break;
420: }
1.47 schwarze 421: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 422: }
423:
1.27 schwarze 424: static void
1.90 schwarze 425: parse(struct curparse *curp, int fd, const char *file,
426: enum mandoclevel *level)
1.52 schwarze 427: {
1.76 schwarze 428: enum mandoclevel rc;
429: struct mdoc *mdoc;
430: struct man *man;
1.52 schwarze 431:
1.76 schwarze 432: /* Begin by parsing the file itself. */
1.52 schwarze 433:
1.76 schwarze 434: assert(file);
435: assert(fd >= -1);
1.52 schwarze 436:
1.76 schwarze 437: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 438:
1.76 schwarze 439: /* Stop immediately if the parse has failed. */
1.1 kristaps 440:
1.76 schwarze 441: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 442: goto cleanup;
443:
444: /*
1.76 schwarze 445: * With -Wstop and warnings or errors of at least the requested
446: * level, do not produce output.
1.51 schwarze 447: */
448:
1.76 schwarze 449: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 450: goto cleanup;
451:
452: /* If unset, allocate output dev now (if applicable). */
453:
454: if ( ! (curp->outman && curp->outmdoc)) {
455: switch (curp->outtype) {
1.90 schwarze 456: case OUTT_XHTML:
1.51 schwarze 457: curp->outdata = xhtml_alloc(curp->outopts);
1.77 schwarze 458: curp->outfree = html_free;
1.51 schwarze 459: break;
1.90 schwarze 460: case OUTT_HTML:
1.51 schwarze 461: curp->outdata = html_alloc(curp->outopts);
1.77 schwarze 462: curp->outfree = html_free;
463: break;
1.90 schwarze 464: case OUTT_UTF8:
1.77 schwarze 465: curp->outdata = utf8_alloc(curp->outopts);
466: curp->outfree = ascii_free;
467: break;
1.90 schwarze 468: case OUTT_LOCALE:
1.77 schwarze 469: curp->outdata = locale_alloc(curp->outopts);
470: curp->outfree = ascii_free;
1.51 schwarze 471: break;
1.90 schwarze 472: case OUTT_ASCII:
1.51 schwarze 473: curp->outdata = ascii_alloc(curp->outopts);
474: curp->outfree = ascii_free;
475: break;
1.90 schwarze 476: case OUTT_PDF:
1.51 schwarze 477: curp->outdata = pdf_alloc(curp->outopts);
478: curp->outfree = pspdf_free;
479: break;
1.90 schwarze 480: case OUTT_PS:
1.51 schwarze 481: curp->outdata = ps_alloc(curp->outopts);
482: curp->outfree = pspdf_free;
483: break;
484: default:
485: break;
486: }
487:
488: switch (curp->outtype) {
1.90 schwarze 489: case OUTT_HTML:
1.51 schwarze 490: /* FALLTHROUGH */
1.90 schwarze 491: case OUTT_XHTML:
1.51 schwarze 492: curp->outman = html_man;
493: curp->outmdoc = html_mdoc;
494: break;
1.90 schwarze 495: case OUTT_TREE:
1.51 schwarze 496: curp->outman = tree_man;
497: curp->outmdoc = tree_mdoc;
498: break;
1.90 schwarze 499: case OUTT_MAN:
1.78 schwarze 500: curp->outmdoc = man_mdoc;
1.80 schwarze 501: curp->outman = man_man;
1.78 schwarze 502: break;
1.90 schwarze 503: case OUTT_PDF:
1.51 schwarze 504: /* FALLTHROUGH */
1.90 schwarze 505: case OUTT_ASCII:
1.51 schwarze 506: /* FALLTHROUGH */
1.90 schwarze 507: case OUTT_UTF8:
1.77 schwarze 508: /* FALLTHROUGH */
1.90 schwarze 509: case OUTT_LOCALE:
1.77 schwarze 510: /* FALLTHROUGH */
1.90 schwarze 511: case OUTT_PS:
1.51 schwarze 512: curp->outman = terminal_man;
513: curp->outmdoc = terminal_mdoc;
514: break;
515: default:
516: break;
517: }
518: }
519:
1.88 schwarze 520: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 521:
1.51 schwarze 522: /* Execute the out device, if it exists. */
523:
1.76 schwarze 524: if (man && curp->outman)
525: (*curp->outman)(curp->outdata, man);
526: if (mdoc && curp->outmdoc)
527: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 528:
529: cleanup:
1.59 schwarze 530:
1.76 schwarze 531: mparse_reset(curp->mp);
1.59 schwarze 532:
1.76 schwarze 533: if (*level < rc)
534: *level = rc;
1.1 kristaps 535: }
536:
1.95 schwarze 537: static enum mandoclevel
538: passthrough(const char *file)
539: {
540: char buf[BUFSIZ];
541: const char *syscall;
542: ssize_t nr, nw, off;
543: int fd;
544:
545: fd = open(file, O_RDONLY);
546: if (fd == -1) {
547: syscall = "open";
548: goto fail;
549: }
550:
551: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
552: for (off = 0; off < nr; off += nw)
553: if ((nw = write(STDOUT_FILENO, buf + off,
554: (size_t)(nr - off))) == -1 || nw == 0) {
555: syscall = "write";
556: goto fail;
557: }
558:
559: if (nr == 0) {
560: close(fd);
561: return(MANDOCLEVEL_OK);
562: }
563:
564: syscall = "read";
565: fail:
566: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
567: progname, file, syscall, strerror(errno));
568: return(MANDOCLEVEL_SYSERR);
569: }
570:
1.1 kristaps 571: static int
1.87 schwarze 572: moptions(int *options, char *arg)
1.1 kristaps 573: {
574:
1.95 schwarze 575: if (arg == NULL)
576: /* nothing to do */;
577: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 578: *options |= MPARSE_MDOC;
1.1 kristaps 579: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 580: /* nothing to do */;
1.1 kristaps 581: else if (0 == strcmp(arg, "an"))
1.87 schwarze 582: *options |= MPARSE_MAN;
1.1 kristaps 583: else {
1.93 schwarze 584: fprintf(stderr, "%s: -m%s: Bad argument\n",
585: progname, arg);
1.1 kristaps 586: return(0);
587: }
588:
589: return(1);
590: }
591:
592: static int
1.22 schwarze 593: toptions(struct curparse *curp, char *arg)
1.1 kristaps 594: {
595:
596: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 597: curp->outtype = OUTT_ASCII;
598: else if (0 == strcmp(arg, "lint")) {
599: curp->outtype = OUTT_LINT;
1.45 schwarze 600: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 601: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 602: curp->outtype = OUTT_TREE;
1.78 schwarze 603: else if (0 == strcmp(arg, "man"))
604: curp->outtype = OUTT_MAN;
1.17 schwarze 605: else if (0 == strcmp(arg, "html"))
1.22 schwarze 606: curp->outtype = OUTT_HTML;
1.77 schwarze 607: else if (0 == strcmp(arg, "utf8"))
608: curp->outtype = OUTT_UTF8;
609: else if (0 == strcmp(arg, "locale"))
610: curp->outtype = OUTT_LOCALE;
1.21 schwarze 611: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 612: curp->outtype = OUTT_XHTML;
1.36 schwarze 613: else if (0 == strcmp(arg, "ps"))
614: curp->outtype = OUTT_PS;
1.43 schwarze 615: else if (0 == strcmp(arg, "pdf"))
616: curp->outtype = OUTT_PDF;
1.1 kristaps 617: else {
1.93 schwarze 618: fprintf(stderr, "%s: -T%s: Bad argument\n",
619: progname, arg);
1.1 kristaps 620: return(0);
621: }
622:
623: return(1);
624: }
625:
626: static int
1.45 schwarze 627: woptions(struct curparse *curp, char *arg)
1.1 kristaps 628: {
1.10 schwarze 629: char *v, *o;
1.90 schwarze 630: const char *toks[6];
1.1 kristaps 631:
1.45 schwarze 632: toks[0] = "stop";
633: toks[1] = "all";
634: toks[2] = "warning";
635: toks[3] = "error";
636: toks[4] = "fatal";
637: toks[5] = NULL;
1.1 kristaps 638:
1.10 schwarze 639: while (*arg) {
640: o = arg;
1.17 schwarze 641: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 642: case 0:
1.45 schwarze 643: curp->wstop = 1;
1.1 kristaps 644: break;
1.90 schwarze 645: case 1:
1.45 schwarze 646: /* FALLTHROUGH */
1.90 schwarze 647: case 2:
1.45 schwarze 648: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 649: break;
1.90 schwarze 650: case 3:
1.45 schwarze 651: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 652: break;
1.90 schwarze 653: case 4:
1.45 schwarze 654: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 655: break;
1.1 kristaps 656: default:
1.93 schwarze 657: fprintf(stderr, "%s: -W%s: Bad argument\n",
658: progname, o);
1.1 kristaps 659: return(0);
660: }
1.10 schwarze 661: }
1.1 kristaps 662:
663: return(1);
664: }
665:
1.75 schwarze 666: static void
1.90 schwarze 667: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 668: const char *file, int line, int col, const char *msg)
1.30 schwarze 669: {
1.94 schwarze 670: const char *mparse_msg;
1.45 schwarze 671:
1.92 schwarze 672: fprintf(stderr, "%s: %s:", progname, file);
673:
674: if (line)
675: fprintf(stderr, "%d:%d:", line, col + 1);
676:
1.94 schwarze 677: fprintf(stderr, " %s", mparse_strlevel(lvl));
678:
679: if (NULL != (mparse_msg = mparse_strerror(t)))
680: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 681:
682: if (msg)
683: fprintf(stderr, ": %s", msg);
1.76 schwarze 684:
1.30 schwarze 685: fputc('\n', stderr);
1.95 schwarze 686: }
687:
688: static void
689: spawn_pager(void)
690: {
691: #define MAX_PAGER_ARGS 16
692: char *argv[MAX_PAGER_ARGS];
693: const char *pager;
694: char *cp;
695: int fildes[2];
696: int argc;
697:
698: if (pipe(fildes) == -1) {
699: fprintf(stderr, "%s: pipe: %s\n",
700: progname, strerror(errno));
701: return;
702: }
703:
704: switch (fork()) {
705: case -1:
706: fprintf(stderr, "%s: fork: %s\n",
707: progname, strerror(errno));
708: exit((int)MANDOCLEVEL_SYSERR);
709: case 0:
710: close(fildes[0]);
711: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
712: fprintf(stderr, "%s: dup output: %s\n",
713: progname, strerror(errno));
714: exit((int)MANDOCLEVEL_SYSERR);
715: }
716: return;
717: default:
718: break;
719: }
720:
721: /* The original process becomes the pager. */
722:
723: close(fildes[1]);
724: if (dup2(fildes[0], STDIN_FILENO) == -1) {
725: fprintf(stderr, "%s: dup input: %s\n",
726: progname, strerror(errno));
727: exit((int)MANDOCLEVEL_SYSERR);
728: }
729:
730: pager = getenv("MANPAGER");
731: if (pager == NULL || *pager == '\0')
732: pager = getenv("PAGER");
733: if (pager == NULL || *pager == '\0')
734: pager = "/usr/bin/more -s";
735: cp = mandoc_strdup(pager);
736:
737: /*
738: * Parse the pager command into words.
739: * Intentionally do not do anything fancy here.
740: */
741:
742: argc = 0;
743: while (argc + 1 < MAX_PAGER_ARGS) {
744: argv[argc++] = cp;
745: cp = strchr(cp, ' ');
746: if (cp == NULL)
747: break;
748: *cp++ = '\0';
749: while (*cp == ' ')
750: cp++;
751: if (*cp == '\0')
752: break;
753: }
754: argv[argc] = NULL;
755:
756: /* Hand over to the pager. */
757:
758: execvp(argv[0], argv);
759: fprintf(stderr, "%s: exec: %s\n",
760: progname, strerror(errno));
761: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 762: }
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