Annotation of src/usr.bin/mandoc/main.c, Revision 1.99
1.99 ! schwarze 1: /* $OpenBSD: main.c,v 1.98 2014/09/03 05:17:08 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:
1.98 schwarze 153: while (-1 != (c = getopt(argc, argv, "aC:cfhI: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;
1.98 schwarze 167: case 'h':
168: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
169: outmode = OUTMODE_ALL;
170: break;
1.90 schwarze 171: case 'I':
1.83 schwarze 172: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 173: fprintf(stderr,
1.93 schwarze 174: "%s: -I%s: Bad argument\n",
175: progname, optarg);
1.83 schwarze 176: return((int)MANDOCLEVEL_BADARG);
177: }
178: if (defos) {
1.90 schwarze 179: fprintf(stderr,
1.93 schwarze 180: "%s: -I%s: Duplicate argument\n",
181: progname, optarg);
1.83 schwarze 182: return((int)MANDOCLEVEL_BADARG);
183: }
184: defos = mandoc_strdup(optarg + 3);
185: break;
1.95 schwarze 186: case 'i':
187: outmode = OUTMODE_INT;
188: break;
189: case 'k':
190: search.argmode = ARG_EXPR;
191: break;
1.96 schwarze 192: case 'l':
193: search.argmode = ARG_FILE;
194: outmode = OUTMODE_ALL;
195: break;
1.95 schwarze 196: case 'M':
197: defpaths = optarg;
198: break;
1.90 schwarze 199: case 'm':
1.95 schwarze 200: auxpaths = optarg;
1.1 kristaps 201: break;
1.90 schwarze 202: case 'O':
1.95 schwarze 203: search.outkey = optarg;
1.18 schwarze 204: (void)strlcat(curp.outopts, optarg, BUFSIZ);
205: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 206: break;
1.95 schwarze 207: case 'S':
208: search.arch = optarg;
209: break;
210: case 's':
211: search.sec = optarg;
212: break;
1.90 schwarze 213: case 'T':
1.22 schwarze 214: if ( ! toptions(&curp, optarg))
1.47 schwarze 215: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 216: break;
1.90 schwarze 217: case 'W':
1.45 schwarze 218: if ( ! woptions(&curp, optarg))
1.47 schwarze 219: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 220: break;
1.95 schwarze 221: case 'w':
222: outmode = OUTMODE_FLN;
223: break;
1.90 schwarze 224: case 'V':
1.3 schwarze 225: version();
226: /* NOTREACHED */
1.1 kristaps 227: default:
1.95 schwarze 228: show_usage = 1;
229: break;
230: }
231: }
232:
233: if (show_usage)
234: usage(search.argmode);
235:
236: /* Postprocess options. */
237:
238: if (outmode == OUTMODE_DEF) {
239: switch (search.argmode) {
240: case ARG_FILE:
241: outmode = OUTMODE_ALL;
242: use_pager = 0;
243: break;
244: case ARG_NAME:
245: outmode = OUTMODE_ONE;
246: break;
247: default:
248: outmode = OUTMODE_LST;
249: break;
250: }
251: }
252:
253: /* Parse arguments. */
254:
255: argc -= optind;
256: argv += optind;
257: resp = NULL;
258:
259: /* Quirk for a man(1) section argument without -s. */
260:
261: if (search.argmode == ARG_NAME &&
262: argv[0] != NULL &&
263: isdigit((unsigned char)argv[0][0]) &&
264: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
265: search.sec = argv[0];
266: argv++;
267: argc--;
268: }
269:
270: rc = MANDOCLEVEL_OK;
271:
272: /* man(1), whatis(1), apropos(1) */
273:
274: if (search.argmode != ARG_FILE) {
275: if (argc == 0)
276: usage(search.argmode);
277:
278: /* Access the mandoc database. */
279:
280: manpath_parse(&paths, conf_file, defpaths, auxpaths);
281: mansearch_setup(1);
282: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
283: usage(search.argmode);
284: resp = res;
285:
286: if (sz == 0) {
287: if (search.argmode == ARG_NAME)
288: fprintf(stderr, "%s: No entry for %s "
289: "in the manual.\n", progname, argv[0]);
290: rc = MANDOCLEVEL_BADARG;
291: goto out;
292: }
293:
294: /*
295: * For standard man(1) and -a output mode,
296: * prepare for copying filename pointers
297: * into the program parameter array.
298: */
299:
300: if (outmode == OUTMODE_ONE) {
301: argc = 1;
302: best_prio = 10;
303: } else if (outmode == OUTMODE_ALL)
304: argc = (int)sz;
305:
306: /* Iterate all matching manuals. */
307:
308: for (i = 0; i < sz; i++) {
309: if (outmode == OUTMODE_FLN)
310: puts(res[i].file);
311: else if (outmode == OUTMODE_LST)
312: printf("%s - %s\n", res[i].names,
313: res[i].output == NULL ? "" :
314: res[i].output);
315: else if (outmode == OUTMODE_ONE) {
316: /* Search for the best section. */
317: isec = strcspn(res[i].file, "123456789");
318: sec = res[i].file[isec];
319: if ('\0' == sec)
320: continue;
321: prio = sec_prios[sec - '1'];
322: if (prio >= best_prio)
323: continue;
324: best_prio = prio;
325: resp = res + i;
326: }
1.1 kristaps 327: }
328:
1.95 schwarze 329: /*
330: * For man(1), -a and -i output mode, fall through
331: * to the main mandoc(1) code iterating files
332: * and running the parsers on each of them.
333: */
334:
335: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
336: goto out;
337: }
338:
339: /* mandoc(1) */
340:
341: if ( ! moptions(&options, auxpaths))
342: return((int)MANDOCLEVEL_BADARG);
343:
344: if (use_pager && isatty(STDOUT_FILENO))
345: spawn_pager();
346:
1.87 schwarze 347: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.76 schwarze 348:
1.80 schwarze 349: /*
350: * Conditionally start up the lookaside buffer before parsing.
351: */
352: if (OUTT_MAN == curp.outtype)
353: mparse_keep(curp.mp);
354:
1.95 schwarze 355: if (argc == 0)
1.76 schwarze 356: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 357:
1.95 schwarze 358: while (argc) {
359: if (resp != NULL) {
1.99 ! schwarze 360: if (resp->form & FORM_SRC) {
1.97 schwarze 361: /* For .so only; ignore failure. */
362: chdir(paths.paths[resp->ipath]);
1.95 schwarze 363: parse(&curp, -1, resp->file, &rc);
1.97 schwarze 364: } else
1.95 schwarze 365: rc = passthrough(resp->file);
366: resp++;
367: } else
368: parse(&curp, -1, *argv++, &rc);
1.76 schwarze 369: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 370: break;
1.95 schwarze 371: argc--;
1.1 kristaps 372: }
373:
374: if (curp.outfree)
375: (*curp.outfree)(curp.outdata);
1.76 schwarze 376: if (curp.mp)
377: mparse_free(curp.mp);
1.95 schwarze 378:
379: out:
380: if (search.argmode != ARG_FILE) {
1.97 schwarze 381: manpath_free(&paths);
1.95 schwarze 382: mansearch_free(res, sz);
383: mansearch_setup(0);
384: }
385:
1.83 schwarze 386: free(defos);
1.1 kristaps 387:
1.76 schwarze 388: return((int)rc);
1.1 kristaps 389: }
390:
1.20 schwarze 391: static void
1.3 schwarze 392: version(void)
393: {
394:
1.95 schwarze 395: printf("mandoc %s\n", VERSION);
1.47 schwarze 396: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 397: }
398:
1.20 schwarze 399: static void
1.95 schwarze 400: usage(enum argmode argmode)
1.1 kristaps 401: {
402:
1.95 schwarze 403: switch (argmode) {
404: case ARG_FILE:
1.98 schwarze 405: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.96 schwarze 406: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.95 schwarze 407: "\t [file ...]\n", stderr);
408: break;
409: case ARG_NAME:
1.96 schwarze 410: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 411: "[-M path] [-m path] [-S arch] [-s section]\n"
412: "\t [section] name ...\n", stderr);
413: break;
414: case ARG_WORD:
1.98 schwarze 415: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 416: "[-M path] [-m path] [-O outkey] [-S arch]\n"
417: "\t [-s section] name ...\n", stderr);
1.95 schwarze 418: break;
419: case ARG_EXPR:
1.98 schwarze 420: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 421: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 422: "\t [-s section] expression ...\n", stderr);
423: break;
424: }
1.47 schwarze 425: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 426: }
427:
1.27 schwarze 428: static void
1.90 schwarze 429: parse(struct curparse *curp, int fd, const char *file,
430: enum mandoclevel *level)
1.52 schwarze 431: {
1.76 schwarze 432: enum mandoclevel rc;
433: struct mdoc *mdoc;
434: struct man *man;
1.52 schwarze 435:
1.76 schwarze 436: /* Begin by parsing the file itself. */
1.52 schwarze 437:
1.76 schwarze 438: assert(file);
439: assert(fd >= -1);
1.52 schwarze 440:
1.76 schwarze 441: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 442:
1.76 schwarze 443: /* Stop immediately if the parse has failed. */
1.1 kristaps 444:
1.76 schwarze 445: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 446: goto cleanup;
447:
448: /*
1.76 schwarze 449: * With -Wstop and warnings or errors of at least the requested
450: * level, do not produce output.
1.51 schwarze 451: */
452:
1.76 schwarze 453: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 454: goto cleanup;
455:
456: /* If unset, allocate output dev now (if applicable). */
457:
458: if ( ! (curp->outman && curp->outmdoc)) {
459: switch (curp->outtype) {
1.90 schwarze 460: case OUTT_XHTML:
1.51 schwarze 461: curp->outdata = xhtml_alloc(curp->outopts);
1.77 schwarze 462: curp->outfree = html_free;
1.51 schwarze 463: break;
1.90 schwarze 464: case OUTT_HTML:
1.51 schwarze 465: curp->outdata = html_alloc(curp->outopts);
1.77 schwarze 466: curp->outfree = html_free;
467: break;
1.90 schwarze 468: case OUTT_UTF8:
1.77 schwarze 469: curp->outdata = utf8_alloc(curp->outopts);
470: curp->outfree = ascii_free;
471: break;
1.90 schwarze 472: case OUTT_LOCALE:
1.77 schwarze 473: curp->outdata = locale_alloc(curp->outopts);
474: curp->outfree = ascii_free;
1.51 schwarze 475: break;
1.90 schwarze 476: case OUTT_ASCII:
1.51 schwarze 477: curp->outdata = ascii_alloc(curp->outopts);
478: curp->outfree = ascii_free;
479: break;
1.90 schwarze 480: case OUTT_PDF:
1.51 schwarze 481: curp->outdata = pdf_alloc(curp->outopts);
482: curp->outfree = pspdf_free;
483: break;
1.90 schwarze 484: case OUTT_PS:
1.51 schwarze 485: curp->outdata = ps_alloc(curp->outopts);
486: curp->outfree = pspdf_free;
487: break;
488: default:
489: break;
490: }
491:
492: switch (curp->outtype) {
1.90 schwarze 493: case OUTT_HTML:
1.51 schwarze 494: /* FALLTHROUGH */
1.90 schwarze 495: case OUTT_XHTML:
1.51 schwarze 496: curp->outman = html_man;
497: curp->outmdoc = html_mdoc;
498: break;
1.90 schwarze 499: case OUTT_TREE:
1.51 schwarze 500: curp->outman = tree_man;
501: curp->outmdoc = tree_mdoc;
502: break;
1.90 schwarze 503: case OUTT_MAN:
1.78 schwarze 504: curp->outmdoc = man_mdoc;
1.80 schwarze 505: curp->outman = man_man;
1.78 schwarze 506: break;
1.90 schwarze 507: case OUTT_PDF:
1.51 schwarze 508: /* FALLTHROUGH */
1.90 schwarze 509: case OUTT_ASCII:
1.51 schwarze 510: /* FALLTHROUGH */
1.90 schwarze 511: case OUTT_UTF8:
1.77 schwarze 512: /* FALLTHROUGH */
1.90 schwarze 513: case OUTT_LOCALE:
1.77 schwarze 514: /* FALLTHROUGH */
1.90 schwarze 515: case OUTT_PS:
1.51 schwarze 516: curp->outman = terminal_man;
517: curp->outmdoc = terminal_mdoc;
518: break;
519: default:
520: break;
521: }
522: }
523:
1.88 schwarze 524: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 525:
1.51 schwarze 526: /* Execute the out device, if it exists. */
527:
1.76 schwarze 528: if (man && curp->outman)
529: (*curp->outman)(curp->outdata, man);
530: if (mdoc && curp->outmdoc)
531: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 532:
533: cleanup:
1.59 schwarze 534:
1.76 schwarze 535: mparse_reset(curp->mp);
1.59 schwarze 536:
1.76 schwarze 537: if (*level < rc)
538: *level = rc;
1.1 kristaps 539: }
540:
1.95 schwarze 541: static enum mandoclevel
542: passthrough(const char *file)
543: {
544: char buf[BUFSIZ];
545: const char *syscall;
546: ssize_t nr, nw, off;
547: int fd;
548:
549: fd = open(file, O_RDONLY);
550: if (fd == -1) {
551: syscall = "open";
552: goto fail;
553: }
554:
555: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
556: for (off = 0; off < nr; off += nw)
557: if ((nw = write(STDOUT_FILENO, buf + off,
558: (size_t)(nr - off))) == -1 || nw == 0) {
559: syscall = "write";
560: goto fail;
561: }
562:
563: if (nr == 0) {
564: close(fd);
565: return(MANDOCLEVEL_OK);
566: }
567:
568: syscall = "read";
569: fail:
570: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
571: progname, file, syscall, strerror(errno));
572: return(MANDOCLEVEL_SYSERR);
573: }
574:
1.1 kristaps 575: static int
1.87 schwarze 576: moptions(int *options, char *arg)
1.1 kristaps 577: {
578:
1.95 schwarze 579: if (arg == NULL)
580: /* nothing to do */;
581: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 582: *options |= MPARSE_MDOC;
1.1 kristaps 583: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 584: /* nothing to do */;
1.1 kristaps 585: else if (0 == strcmp(arg, "an"))
1.87 schwarze 586: *options |= MPARSE_MAN;
1.1 kristaps 587: else {
1.93 schwarze 588: fprintf(stderr, "%s: -m%s: Bad argument\n",
589: progname, arg);
1.1 kristaps 590: return(0);
591: }
592:
593: return(1);
594: }
595:
596: static int
1.22 schwarze 597: toptions(struct curparse *curp, char *arg)
1.1 kristaps 598: {
599:
600: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 601: curp->outtype = OUTT_ASCII;
602: else if (0 == strcmp(arg, "lint")) {
603: curp->outtype = OUTT_LINT;
1.45 schwarze 604: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 605: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 606: curp->outtype = OUTT_TREE;
1.78 schwarze 607: else if (0 == strcmp(arg, "man"))
608: curp->outtype = OUTT_MAN;
1.17 schwarze 609: else if (0 == strcmp(arg, "html"))
1.22 schwarze 610: curp->outtype = OUTT_HTML;
1.77 schwarze 611: else if (0 == strcmp(arg, "utf8"))
612: curp->outtype = OUTT_UTF8;
613: else if (0 == strcmp(arg, "locale"))
614: curp->outtype = OUTT_LOCALE;
1.21 schwarze 615: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 616: curp->outtype = OUTT_XHTML;
1.36 schwarze 617: else if (0 == strcmp(arg, "ps"))
618: curp->outtype = OUTT_PS;
1.43 schwarze 619: else if (0 == strcmp(arg, "pdf"))
620: curp->outtype = OUTT_PDF;
1.1 kristaps 621: else {
1.93 schwarze 622: fprintf(stderr, "%s: -T%s: Bad argument\n",
623: progname, arg);
1.1 kristaps 624: return(0);
625: }
626:
627: return(1);
628: }
629:
630: static int
1.45 schwarze 631: woptions(struct curparse *curp, char *arg)
1.1 kristaps 632: {
1.10 schwarze 633: char *v, *o;
1.90 schwarze 634: const char *toks[6];
1.1 kristaps 635:
1.45 schwarze 636: toks[0] = "stop";
637: toks[1] = "all";
638: toks[2] = "warning";
639: toks[3] = "error";
640: toks[4] = "fatal";
641: toks[5] = NULL;
1.1 kristaps 642:
1.10 schwarze 643: while (*arg) {
644: o = arg;
1.17 schwarze 645: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 646: case 0:
1.45 schwarze 647: curp->wstop = 1;
1.1 kristaps 648: break;
1.90 schwarze 649: case 1:
1.45 schwarze 650: /* FALLTHROUGH */
1.90 schwarze 651: case 2:
1.45 schwarze 652: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 653: break;
1.90 schwarze 654: case 3:
1.45 schwarze 655: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 656: break;
1.90 schwarze 657: case 4:
1.45 schwarze 658: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 659: break;
1.1 kristaps 660: default:
1.93 schwarze 661: fprintf(stderr, "%s: -W%s: Bad argument\n",
662: progname, o);
1.1 kristaps 663: return(0);
664: }
1.10 schwarze 665: }
1.1 kristaps 666:
667: return(1);
668: }
669:
1.75 schwarze 670: static void
1.90 schwarze 671: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 672: const char *file, int line, int col, const char *msg)
1.30 schwarze 673: {
1.94 schwarze 674: const char *mparse_msg;
1.45 schwarze 675:
1.92 schwarze 676: fprintf(stderr, "%s: %s:", progname, file);
677:
678: if (line)
679: fprintf(stderr, "%d:%d:", line, col + 1);
680:
1.94 schwarze 681: fprintf(stderr, " %s", mparse_strlevel(lvl));
682:
683: if (NULL != (mparse_msg = mparse_strerror(t)))
684: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 685:
686: if (msg)
687: fprintf(stderr, ": %s", msg);
1.76 schwarze 688:
1.30 schwarze 689: fputc('\n', stderr);
1.95 schwarze 690: }
691:
692: static void
693: spawn_pager(void)
694: {
695: #define MAX_PAGER_ARGS 16
696: char *argv[MAX_PAGER_ARGS];
697: const char *pager;
698: char *cp;
699: int fildes[2];
700: int argc;
701:
702: if (pipe(fildes) == -1) {
703: fprintf(stderr, "%s: pipe: %s\n",
704: progname, strerror(errno));
705: return;
706: }
707:
708: switch (fork()) {
709: case -1:
710: fprintf(stderr, "%s: fork: %s\n",
711: progname, strerror(errno));
712: exit((int)MANDOCLEVEL_SYSERR);
713: case 0:
714: close(fildes[0]);
715: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
716: fprintf(stderr, "%s: dup output: %s\n",
717: progname, strerror(errno));
718: exit((int)MANDOCLEVEL_SYSERR);
719: }
720: return;
721: default:
722: break;
723: }
724:
725: /* The original process becomes the pager. */
726:
727: close(fildes[1]);
728: if (dup2(fildes[0], STDIN_FILENO) == -1) {
729: fprintf(stderr, "%s: dup input: %s\n",
730: progname, strerror(errno));
731: exit((int)MANDOCLEVEL_SYSERR);
732: }
733:
734: pager = getenv("MANPAGER");
735: if (pager == NULL || *pager == '\0')
736: pager = getenv("PAGER");
737: if (pager == NULL || *pager == '\0')
738: pager = "/usr/bin/more -s";
739: cp = mandoc_strdup(pager);
740:
741: /*
742: * Parse the pager command into words.
743: * Intentionally do not do anything fancy here.
744: */
745:
746: argc = 0;
747: while (argc + 1 < MAX_PAGER_ARGS) {
748: argv[argc++] = cp;
749: cp = strchr(cp, ' ');
750: if (cp == NULL)
751: break;
752: *cp++ = '\0';
753: while (*cp == ' ')
754: cp++;
755: if (*cp == '\0')
756: break;
757: }
758: argv[argc] = NULL;
759:
760: /* Hand over to the pager. */
761:
762: execvp(argv[0], argv);
763: fprintf(stderr, "%s: exec: %s\n",
764: progname, strerror(errno));
765: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 766: }
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