Annotation of src/usr.bin/mandoc/main.c, Revision 1.96
1.96 ! schwarze 1: /* $OpenBSD: main.c,v 1.95 2014/08/27 00:06:08 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:
1.96 ! 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: manpath_free(&paths);
281: resp = res;
282:
283: if (sz == 0) {
284: if (search.argmode == ARG_NAME)
285: fprintf(stderr, "%s: No entry for %s "
286: "in the manual.\n", progname, argv[0]);
287: rc = MANDOCLEVEL_BADARG;
288: goto out;
289: }
290:
291: /*
292: * For standard man(1) and -a output mode,
293: * prepare for copying filename pointers
294: * into the program parameter array.
295: */
296:
297: if (outmode == OUTMODE_ONE) {
298: argc = 1;
299: best_prio = 10;
300: } else if (outmode == OUTMODE_ALL)
301: argc = (int)sz;
302:
303: /* Iterate all matching manuals. */
304:
305: for (i = 0; i < sz; i++) {
306: if (outmode == OUTMODE_FLN)
307: puts(res[i].file);
308: else if (outmode == OUTMODE_LST)
309: printf("%s - %s\n", res[i].names,
310: res[i].output == NULL ? "" :
311: res[i].output);
312: else if (outmode == OUTMODE_ONE) {
313: /* Search for the best section. */
314: isec = strcspn(res[i].file, "123456789");
315: sec = res[i].file[isec];
316: if ('\0' == sec)
317: continue;
318: prio = sec_prios[sec - '1'];
319: if (prio >= best_prio)
320: continue;
321: best_prio = prio;
322: resp = res + i;
323: }
1.1 kristaps 324: }
325:
1.95 schwarze 326: /*
327: * For man(1), -a and -i output mode, fall through
328: * to the main mandoc(1) code iterating files
329: * and running the parsers on each of them.
330: */
331:
332: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
333: goto out;
334: }
335:
336: /* mandoc(1) */
337:
338: if ( ! moptions(&options, auxpaths))
339: return((int)MANDOCLEVEL_BADARG);
340:
341: if (use_pager && isatty(STDOUT_FILENO))
342: spawn_pager();
343:
1.87 schwarze 344: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.76 schwarze 345:
1.80 schwarze 346: /*
347: * Conditionally start up the lookaside buffer before parsing.
348: */
349: if (OUTT_MAN == curp.outtype)
350: mparse_keep(curp.mp);
351:
1.95 schwarze 352: if (argc == 0)
1.76 schwarze 353: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 354:
1.95 schwarze 355: while (argc) {
356: if (resp != NULL) {
357: if (resp->form)
358: parse(&curp, -1, resp->file, &rc);
359: else
360: rc = passthrough(resp->file);
361: resp++;
362: } else
363: parse(&curp, -1, *argv++, &rc);
1.76 schwarze 364: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 365: break;
1.95 schwarze 366: argc--;
1.1 kristaps 367: }
368:
369: if (curp.outfree)
370: (*curp.outfree)(curp.outdata);
1.76 schwarze 371: if (curp.mp)
372: mparse_free(curp.mp);
1.95 schwarze 373:
374: out:
375: if (search.argmode != ARG_FILE) {
376: mansearch_free(res, sz);
377: mansearch_setup(0);
378: }
379:
1.83 schwarze 380: free(defos);
1.1 kristaps 381:
1.76 schwarze 382: return((int)rc);
1.1 kristaps 383: }
384:
1.20 schwarze 385: static void
1.3 schwarze 386: version(void)
387: {
388:
1.95 schwarze 389: printf("mandoc %s\n", VERSION);
1.47 schwarze 390: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 391: }
392:
1.20 schwarze 393: static void
1.95 schwarze 394: usage(enum argmode argmode)
1.1 kristaps 395: {
396:
1.95 schwarze 397: switch (argmode) {
398: case ARG_FILE:
1.96 ! schwarze 399: fputs("usage: mandoc [-acfklV] [-Ios=name] "
! 400: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.95 schwarze 401: "\t [file ...]\n", stderr);
402: break;
403: case ARG_NAME:
1.96 ! schwarze 404: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 405: "[-M path] [-m path] [-S arch] [-s section]\n"
406: "\t [section] name ...\n", stderr);
407: break;
408: case ARG_WORD:
1.96 ! schwarze 409: fputs("usage: whatis [-acfklVw] [-C file] "
! 410: "[-M path] [-m path] [-O outkey] [-S arch]\n"
! 411: "\t [-s section] name ...\n", stderr);
1.95 schwarze 412: break;
413: case ARG_EXPR:
1.96 ! schwarze 414: fputs("usage: apropos [-acfklVw] [-C file] "
! 415: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 416: "\t [-s section] expression ...\n", stderr);
417: break;
418: }
1.47 schwarze 419: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 420: }
421:
1.27 schwarze 422: static void
1.90 schwarze 423: parse(struct curparse *curp, int fd, const char *file,
424: enum mandoclevel *level)
1.52 schwarze 425: {
1.76 schwarze 426: enum mandoclevel rc;
427: struct mdoc *mdoc;
428: struct man *man;
1.52 schwarze 429:
1.76 schwarze 430: /* Begin by parsing the file itself. */
1.52 schwarze 431:
1.76 schwarze 432: assert(file);
433: assert(fd >= -1);
1.52 schwarze 434:
1.76 schwarze 435: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 436:
1.76 schwarze 437: /* Stop immediately if the parse has failed. */
1.1 kristaps 438:
1.76 schwarze 439: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 440: goto cleanup;
441:
442: /*
1.76 schwarze 443: * With -Wstop and warnings or errors of at least the requested
444: * level, do not produce output.
1.51 schwarze 445: */
446:
1.76 schwarze 447: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 448: goto cleanup;
449:
450: /* If unset, allocate output dev now (if applicable). */
451:
452: if ( ! (curp->outman && curp->outmdoc)) {
453: switch (curp->outtype) {
1.90 schwarze 454: case OUTT_XHTML:
1.51 schwarze 455: curp->outdata = xhtml_alloc(curp->outopts);
1.77 schwarze 456: curp->outfree = html_free;
1.51 schwarze 457: break;
1.90 schwarze 458: case OUTT_HTML:
1.51 schwarze 459: curp->outdata = html_alloc(curp->outopts);
1.77 schwarze 460: curp->outfree = html_free;
461: break;
1.90 schwarze 462: case OUTT_UTF8:
1.77 schwarze 463: curp->outdata = utf8_alloc(curp->outopts);
464: curp->outfree = ascii_free;
465: break;
1.90 schwarze 466: case OUTT_LOCALE:
1.77 schwarze 467: curp->outdata = locale_alloc(curp->outopts);
468: curp->outfree = ascii_free;
1.51 schwarze 469: break;
1.90 schwarze 470: case OUTT_ASCII:
1.51 schwarze 471: curp->outdata = ascii_alloc(curp->outopts);
472: curp->outfree = ascii_free;
473: break;
1.90 schwarze 474: case OUTT_PDF:
1.51 schwarze 475: curp->outdata = pdf_alloc(curp->outopts);
476: curp->outfree = pspdf_free;
477: break;
1.90 schwarze 478: case OUTT_PS:
1.51 schwarze 479: curp->outdata = ps_alloc(curp->outopts);
480: curp->outfree = pspdf_free;
481: break;
482: default:
483: break;
484: }
485:
486: switch (curp->outtype) {
1.90 schwarze 487: case OUTT_HTML:
1.51 schwarze 488: /* FALLTHROUGH */
1.90 schwarze 489: case OUTT_XHTML:
1.51 schwarze 490: curp->outman = html_man;
491: curp->outmdoc = html_mdoc;
492: break;
1.90 schwarze 493: case OUTT_TREE:
1.51 schwarze 494: curp->outman = tree_man;
495: curp->outmdoc = tree_mdoc;
496: break;
1.90 schwarze 497: case OUTT_MAN:
1.78 schwarze 498: curp->outmdoc = man_mdoc;
1.80 schwarze 499: curp->outman = man_man;
1.78 schwarze 500: break;
1.90 schwarze 501: case OUTT_PDF:
1.51 schwarze 502: /* FALLTHROUGH */
1.90 schwarze 503: case OUTT_ASCII:
1.51 schwarze 504: /* FALLTHROUGH */
1.90 schwarze 505: case OUTT_UTF8:
1.77 schwarze 506: /* FALLTHROUGH */
1.90 schwarze 507: case OUTT_LOCALE:
1.77 schwarze 508: /* FALLTHROUGH */
1.90 schwarze 509: case OUTT_PS:
1.51 schwarze 510: curp->outman = terminal_man;
511: curp->outmdoc = terminal_mdoc;
512: break;
513: default:
514: break;
515: }
516: }
517:
1.88 schwarze 518: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 519:
1.51 schwarze 520: /* Execute the out device, if it exists. */
521:
1.76 schwarze 522: if (man && curp->outman)
523: (*curp->outman)(curp->outdata, man);
524: if (mdoc && curp->outmdoc)
525: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 526:
527: cleanup:
1.59 schwarze 528:
1.76 schwarze 529: mparse_reset(curp->mp);
1.59 schwarze 530:
1.76 schwarze 531: if (*level < rc)
532: *level = rc;
1.1 kristaps 533: }
534:
1.95 schwarze 535: static enum mandoclevel
536: passthrough(const char *file)
537: {
538: char buf[BUFSIZ];
539: const char *syscall;
540: ssize_t nr, nw, off;
541: int fd;
542:
543: fd = open(file, O_RDONLY);
544: if (fd == -1) {
545: syscall = "open";
546: goto fail;
547: }
548:
549: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
550: for (off = 0; off < nr; off += nw)
551: if ((nw = write(STDOUT_FILENO, buf + off,
552: (size_t)(nr - off))) == -1 || nw == 0) {
553: syscall = "write";
554: goto fail;
555: }
556:
557: if (nr == 0) {
558: close(fd);
559: return(MANDOCLEVEL_OK);
560: }
561:
562: syscall = "read";
563: fail:
564: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
565: progname, file, syscall, strerror(errno));
566: return(MANDOCLEVEL_SYSERR);
567: }
568:
1.1 kristaps 569: static int
1.87 schwarze 570: moptions(int *options, char *arg)
1.1 kristaps 571: {
572:
1.95 schwarze 573: if (arg == NULL)
574: /* nothing to do */;
575: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 576: *options |= MPARSE_MDOC;
1.1 kristaps 577: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 578: /* nothing to do */;
1.1 kristaps 579: else if (0 == strcmp(arg, "an"))
1.87 schwarze 580: *options |= MPARSE_MAN;
1.1 kristaps 581: else {
1.93 schwarze 582: fprintf(stderr, "%s: -m%s: Bad argument\n",
583: progname, arg);
1.1 kristaps 584: return(0);
585: }
586:
587: return(1);
588: }
589:
590: static int
1.22 schwarze 591: toptions(struct curparse *curp, char *arg)
1.1 kristaps 592: {
593:
594: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 595: curp->outtype = OUTT_ASCII;
596: else if (0 == strcmp(arg, "lint")) {
597: curp->outtype = OUTT_LINT;
1.45 schwarze 598: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 599: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 600: curp->outtype = OUTT_TREE;
1.78 schwarze 601: else if (0 == strcmp(arg, "man"))
602: curp->outtype = OUTT_MAN;
1.17 schwarze 603: else if (0 == strcmp(arg, "html"))
1.22 schwarze 604: curp->outtype = OUTT_HTML;
1.77 schwarze 605: else if (0 == strcmp(arg, "utf8"))
606: curp->outtype = OUTT_UTF8;
607: else if (0 == strcmp(arg, "locale"))
608: curp->outtype = OUTT_LOCALE;
1.21 schwarze 609: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 610: curp->outtype = OUTT_XHTML;
1.36 schwarze 611: else if (0 == strcmp(arg, "ps"))
612: curp->outtype = OUTT_PS;
1.43 schwarze 613: else if (0 == strcmp(arg, "pdf"))
614: curp->outtype = OUTT_PDF;
1.1 kristaps 615: else {
1.93 schwarze 616: fprintf(stderr, "%s: -T%s: Bad argument\n",
617: progname, arg);
1.1 kristaps 618: return(0);
619: }
620:
621: return(1);
622: }
623:
624: static int
1.45 schwarze 625: woptions(struct curparse *curp, char *arg)
1.1 kristaps 626: {
1.10 schwarze 627: char *v, *o;
1.90 schwarze 628: const char *toks[6];
1.1 kristaps 629:
1.45 schwarze 630: toks[0] = "stop";
631: toks[1] = "all";
632: toks[2] = "warning";
633: toks[3] = "error";
634: toks[4] = "fatal";
635: toks[5] = NULL;
1.1 kristaps 636:
1.10 schwarze 637: while (*arg) {
638: o = arg;
1.17 schwarze 639: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 640: case 0:
1.45 schwarze 641: curp->wstop = 1;
1.1 kristaps 642: break;
1.90 schwarze 643: case 1:
1.45 schwarze 644: /* FALLTHROUGH */
1.90 schwarze 645: case 2:
1.45 schwarze 646: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 647: break;
1.90 schwarze 648: case 3:
1.45 schwarze 649: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 650: break;
1.90 schwarze 651: case 4:
1.45 schwarze 652: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 653: break;
1.1 kristaps 654: default:
1.93 schwarze 655: fprintf(stderr, "%s: -W%s: Bad argument\n",
656: progname, o);
1.1 kristaps 657: return(0);
658: }
1.10 schwarze 659: }
1.1 kristaps 660:
661: return(1);
662: }
663:
1.75 schwarze 664: static void
1.90 schwarze 665: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 666: const char *file, int line, int col, const char *msg)
1.30 schwarze 667: {
1.94 schwarze 668: const char *mparse_msg;
1.45 schwarze 669:
1.92 schwarze 670: fprintf(stderr, "%s: %s:", progname, file);
671:
672: if (line)
673: fprintf(stderr, "%d:%d:", line, col + 1);
674:
1.94 schwarze 675: fprintf(stderr, " %s", mparse_strlevel(lvl));
676:
677: if (NULL != (mparse_msg = mparse_strerror(t)))
678: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 679:
680: if (msg)
681: fprintf(stderr, ": %s", msg);
1.76 schwarze 682:
1.30 schwarze 683: fputc('\n', stderr);
1.95 schwarze 684: }
685:
686: static void
687: spawn_pager(void)
688: {
689: #define MAX_PAGER_ARGS 16
690: char *argv[MAX_PAGER_ARGS];
691: const char *pager;
692: char *cp;
693: int fildes[2];
694: int argc;
695:
696: if (pipe(fildes) == -1) {
697: fprintf(stderr, "%s: pipe: %s\n",
698: progname, strerror(errno));
699: return;
700: }
701:
702: switch (fork()) {
703: case -1:
704: fprintf(stderr, "%s: fork: %s\n",
705: progname, strerror(errno));
706: exit((int)MANDOCLEVEL_SYSERR);
707: case 0:
708: close(fildes[0]);
709: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
710: fprintf(stderr, "%s: dup output: %s\n",
711: progname, strerror(errno));
712: exit((int)MANDOCLEVEL_SYSERR);
713: }
714: return;
715: default:
716: break;
717: }
718:
719: /* The original process becomes the pager. */
720:
721: close(fildes[1]);
722: if (dup2(fildes[0], STDIN_FILENO) == -1) {
723: fprintf(stderr, "%s: dup input: %s\n",
724: progname, strerror(errno));
725: exit((int)MANDOCLEVEL_SYSERR);
726: }
727:
728: pager = getenv("MANPAGER");
729: if (pager == NULL || *pager == '\0')
730: pager = getenv("PAGER");
731: if (pager == NULL || *pager == '\0')
732: pager = "/usr/bin/more -s";
733: cp = mandoc_strdup(pager);
734:
735: /*
736: * Parse the pager command into words.
737: * Intentionally do not do anything fancy here.
738: */
739:
740: argc = 0;
741: while (argc + 1 < MAX_PAGER_ARGS) {
742: argv[argc++] = cp;
743: cp = strchr(cp, ' ');
744: if (cp == NULL)
745: break;
746: *cp++ = '\0';
747: while (*cp == ' ')
748: cp++;
749: if (*cp == '\0')
750: break;
751: }
752: argv[argc] = NULL;
753:
754: /* Hand over to the pager. */
755:
756: execvp(argv[0], argv);
757: fprintf(stderr, "%s: exec: %s\n",
758: progname, strerror(errno));
759: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 760: }
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