Annotation of src/usr.bin/mandoc/main.c, Revision 1.101
1.101 ! schwarze 1: /* $OpenBSD: main.c,v 1.100 2014/09/03 23:20:33 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 *);
1.100 schwarze 84: static enum mandoclevel passthrough(const char *, int);
1.95 schwarze 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;
1.100 schwarze 109: pid_t child_pid;
110: int fd;
1.95 schwarze 111: int show_usage;
112: int use_pager;
1.87 schwarze 113: int options;
1.95 schwarze 114: int c;
1.1 kristaps 115:
1.19 schwarze 116: progname = strrchr(argv[0], '/');
117: if (progname == NULL)
118: progname = argv[0];
119: else
120: ++progname;
1.79 schwarze 121:
1.82 schwarze 122: if (0 == strncmp(progname, "mandocdb", 8) ||
123: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 124: return(mandocdb(argc, argv));
1.19 schwarze 125:
1.95 schwarze 126: /* Search options. */
127:
128: memset(&paths, 0, sizeof(struct manpaths));
129: conf_file = defpaths = auxpaths = NULL;
130:
131: memset(&search, 0, sizeof(struct mansearch));
132: search.outkey = "Nd";
133:
134: if (strcmp(progname, "man") == 0)
135: search.argmode = ARG_NAME;
136: else if (strncmp(progname, "apropos", 7) == 0)
137: search.argmode = ARG_EXPR;
138: else if (strncmp(progname, "whatis", 6) == 0)
139: search.argmode = ARG_WORD;
140: else
141: search.argmode = ARG_FILE;
142:
143: /* Parser and formatter options. */
144:
1.19 schwarze 145: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 146: curp.outtype = OUTT_ASCII;
1.45 schwarze 147: curp.wlevel = MANDOCLEVEL_FATAL;
1.95 schwarze 148: options = MPARSE_SO;
1.83 schwarze 149: defos = NULL;
1.1 kristaps 150:
1.95 schwarze 151: use_pager = 1;
152: show_usage = 0;
153: outmode = OUTMODE_DEF;
154:
1.98 schwarze 155: while (-1 != (c = getopt(argc, argv, "aC:cfhI:iklM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 156: switch (c) {
1.95 schwarze 157: case 'a':
158: outmode = OUTMODE_ALL;
159: break;
160: case 'C':
161: conf_file = optarg;
162: break;
163: case 'c':
164: use_pager = 0;
165: break;
166: case 'f':
167: search.argmode = ARG_WORD;
168: break;
1.98 schwarze 169: case 'h':
170: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
171: outmode = OUTMODE_ALL;
172: break;
1.90 schwarze 173: case 'I':
1.83 schwarze 174: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 175: fprintf(stderr,
1.93 schwarze 176: "%s: -I%s: Bad argument\n",
177: progname, optarg);
1.83 schwarze 178: return((int)MANDOCLEVEL_BADARG);
179: }
180: if (defos) {
1.90 schwarze 181: fprintf(stderr,
1.93 schwarze 182: "%s: -I%s: Duplicate argument\n",
183: progname, optarg);
1.83 schwarze 184: return((int)MANDOCLEVEL_BADARG);
185: }
186: defos = mandoc_strdup(optarg + 3);
187: break;
1.95 schwarze 188: case 'i':
189: outmode = OUTMODE_INT;
190: break;
191: case 'k':
192: search.argmode = ARG_EXPR;
193: break;
1.96 schwarze 194: case 'l':
195: search.argmode = ARG_FILE;
196: outmode = OUTMODE_ALL;
197: break;
1.95 schwarze 198: case 'M':
199: defpaths = optarg;
200: break;
1.90 schwarze 201: case 'm':
1.95 schwarze 202: auxpaths = optarg;
1.1 kristaps 203: break;
1.90 schwarze 204: case 'O':
1.95 schwarze 205: search.outkey = optarg;
1.18 schwarze 206: (void)strlcat(curp.outopts, optarg, BUFSIZ);
207: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 208: break;
1.95 schwarze 209: case 'S':
210: search.arch = optarg;
211: break;
212: case 's':
213: search.sec = optarg;
214: break;
1.90 schwarze 215: case 'T':
1.22 schwarze 216: if ( ! toptions(&curp, optarg))
1.47 schwarze 217: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 218: break;
1.90 schwarze 219: case 'W':
1.45 schwarze 220: if ( ! woptions(&curp, optarg))
1.47 schwarze 221: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 222: break;
1.95 schwarze 223: case 'w':
224: outmode = OUTMODE_FLN;
225: break;
1.90 schwarze 226: case 'V':
1.3 schwarze 227: version();
228: /* NOTREACHED */
1.1 kristaps 229: default:
1.95 schwarze 230: show_usage = 1;
231: break;
232: }
233: }
234:
235: if (show_usage)
236: usage(search.argmode);
237:
238: /* Postprocess options. */
239:
240: if (outmode == OUTMODE_DEF) {
241: switch (search.argmode) {
242: case ARG_FILE:
243: outmode = OUTMODE_ALL;
244: use_pager = 0;
245: break;
246: case ARG_NAME:
247: outmode = OUTMODE_ONE;
248: break;
249: default:
250: outmode = OUTMODE_LST;
251: break;
252: }
253: }
254:
255: /* Parse arguments. */
256:
257: argc -= optind;
258: argv += optind;
259: resp = NULL;
260:
261: /* Quirk for a man(1) section argument without -s. */
262:
263: if (search.argmode == ARG_NAME &&
264: argv[0] != NULL &&
265: isdigit((unsigned char)argv[0][0]) &&
266: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
267: search.sec = argv[0];
268: argv++;
269: argc--;
270: }
271:
272: rc = MANDOCLEVEL_OK;
273:
274: /* man(1), whatis(1), apropos(1) */
275:
276: if (search.argmode != ARG_FILE) {
277: if (argc == 0)
278: usage(search.argmode);
279:
280: /* Access the mandoc database. */
281:
282: manpath_parse(&paths, conf_file, defpaths, auxpaths);
283: mansearch_setup(1);
284: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
285: usage(search.argmode);
286: resp = res;
287:
288: if (sz == 0) {
289: if (search.argmode == ARG_NAME)
290: fprintf(stderr, "%s: No entry for %s "
291: "in the manual.\n", progname, argv[0]);
292: rc = MANDOCLEVEL_BADARG;
293: goto out;
294: }
295:
296: /*
297: * For standard man(1) and -a output mode,
298: * prepare for copying filename pointers
299: * into the program parameter array.
300: */
301:
302: if (outmode == OUTMODE_ONE) {
303: argc = 1;
304: best_prio = 10;
305: } else if (outmode == OUTMODE_ALL)
306: argc = (int)sz;
307:
308: /* Iterate all matching manuals. */
309:
310: for (i = 0; i < sz; i++) {
311: if (outmode == OUTMODE_FLN)
312: puts(res[i].file);
313: else if (outmode == OUTMODE_LST)
314: printf("%s - %s\n", res[i].names,
315: res[i].output == NULL ? "" :
316: res[i].output);
317: else if (outmode == OUTMODE_ONE) {
318: /* Search for the best section. */
319: isec = strcspn(res[i].file, "123456789");
320: sec = res[i].file[isec];
321: if ('\0' == sec)
322: continue;
323: prio = sec_prios[sec - '1'];
324: if (prio >= best_prio)
325: continue;
326: best_prio = prio;
327: resp = res + i;
328: }
1.1 kristaps 329: }
330:
1.95 schwarze 331: /*
332: * For man(1), -a and -i output mode, fall through
333: * to the main mandoc(1) code iterating files
334: * and running the parsers on each of them.
335: */
336:
337: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
338: goto out;
339: }
340:
341: /* mandoc(1) */
342:
343: if ( ! moptions(&options, auxpaths))
344: return((int)MANDOCLEVEL_BADARG);
345:
346: if (use_pager && isatty(STDOUT_FILENO))
347: spawn_pager();
348:
1.87 schwarze 349: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.76 schwarze 350:
1.80 schwarze 351: /*
352: * Conditionally start up the lookaside buffer before parsing.
353: */
354: if (OUTT_MAN == curp.outtype)
355: mparse_keep(curp.mp);
356:
1.95 schwarze 357: if (argc == 0)
1.76 schwarze 358: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 359:
1.95 schwarze 360: while (argc) {
361: if (resp != NULL) {
1.100 schwarze 362: rc = mparse_open(curp.mp, &fd, resp->file,
363: &child_pid);
364: if (fd == -1)
365: /* nothing */;
366: else if (resp->form & FORM_SRC) {
1.97 schwarze 367: /* For .so only; ignore failure. */
368: chdir(paths.paths[resp->ipath]);
1.100 schwarze 369: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 370: } else
1.100 schwarze 371: rc = passthrough(resp->file, fd);
1.95 schwarze 372: resp++;
1.100 schwarze 373: } else {
374: rc = mparse_open(curp.mp, &fd, *argv++,
375: &child_pid);
376: if (fd != -1)
377: parse(&curp, fd, argv[-1], &rc);
378: }
379:
380: if (child_pid &&
381: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
382: rc = MANDOCLEVEL_SYSERR;
383:
1.76 schwarze 384: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 385: break;
1.95 schwarze 386: argc--;
1.1 kristaps 387: }
388:
389: if (curp.outfree)
390: (*curp.outfree)(curp.outdata);
1.76 schwarze 391: if (curp.mp)
392: mparse_free(curp.mp);
1.95 schwarze 393:
394: out:
395: if (search.argmode != ARG_FILE) {
1.97 schwarze 396: manpath_free(&paths);
1.95 schwarze 397: mansearch_free(res, sz);
398: mansearch_setup(0);
399: }
400:
1.83 schwarze 401: free(defos);
1.1 kristaps 402:
1.76 schwarze 403: return((int)rc);
1.1 kristaps 404: }
405:
1.20 schwarze 406: static void
1.3 schwarze 407: version(void)
408: {
409:
1.95 schwarze 410: printf("mandoc %s\n", VERSION);
1.47 schwarze 411: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 412: }
413:
1.20 schwarze 414: static void
1.95 schwarze 415: usage(enum argmode argmode)
1.1 kristaps 416: {
417:
1.95 schwarze 418: switch (argmode) {
419: case ARG_FILE:
1.98 schwarze 420: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.96 schwarze 421: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.95 schwarze 422: "\t [file ...]\n", stderr);
423: break;
424: case ARG_NAME:
1.96 schwarze 425: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 426: "[-M path] [-m path] [-S arch] [-s section]\n"
427: "\t [section] name ...\n", stderr);
428: break;
429: case ARG_WORD:
1.98 schwarze 430: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 431: "[-M path] [-m path] [-O outkey] [-S arch]\n"
432: "\t [-s section] name ...\n", stderr);
1.95 schwarze 433: break;
434: case ARG_EXPR:
1.98 schwarze 435: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 436: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 437: "\t [-s section] expression ...\n", stderr);
438: break;
439: }
1.47 schwarze 440: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 441: }
442:
1.27 schwarze 443: static void
1.90 schwarze 444: parse(struct curparse *curp, int fd, const char *file,
445: enum mandoclevel *level)
1.52 schwarze 446: {
1.76 schwarze 447: enum mandoclevel rc;
448: struct mdoc *mdoc;
449: struct man *man;
1.52 schwarze 450:
1.76 schwarze 451: /* Begin by parsing the file itself. */
1.52 schwarze 452:
1.76 schwarze 453: assert(file);
454: assert(fd >= -1);
1.52 schwarze 455:
1.76 schwarze 456: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 457:
1.76 schwarze 458: /* Stop immediately if the parse has failed. */
1.1 kristaps 459:
1.76 schwarze 460: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 461: goto cleanup;
462:
463: /*
1.76 schwarze 464: * With -Wstop and warnings or errors of at least the requested
465: * level, do not produce output.
1.51 schwarze 466: */
467:
1.76 schwarze 468: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 469: goto cleanup;
470:
471: /* If unset, allocate output dev now (if applicable). */
472:
473: if ( ! (curp->outman && curp->outmdoc)) {
474: switch (curp->outtype) {
1.90 schwarze 475: case OUTT_XHTML:
1.51 schwarze 476: curp->outdata = xhtml_alloc(curp->outopts);
1.77 schwarze 477: curp->outfree = html_free;
1.51 schwarze 478: break;
1.90 schwarze 479: case OUTT_HTML:
1.51 schwarze 480: curp->outdata = html_alloc(curp->outopts);
1.77 schwarze 481: curp->outfree = html_free;
482: break;
1.90 schwarze 483: case OUTT_UTF8:
1.77 schwarze 484: curp->outdata = utf8_alloc(curp->outopts);
485: curp->outfree = ascii_free;
486: break;
1.90 schwarze 487: case OUTT_LOCALE:
1.77 schwarze 488: curp->outdata = locale_alloc(curp->outopts);
489: curp->outfree = ascii_free;
1.51 schwarze 490: break;
1.90 schwarze 491: case OUTT_ASCII:
1.51 schwarze 492: curp->outdata = ascii_alloc(curp->outopts);
493: curp->outfree = ascii_free;
494: break;
1.90 schwarze 495: case OUTT_PDF:
1.51 schwarze 496: curp->outdata = pdf_alloc(curp->outopts);
497: curp->outfree = pspdf_free;
498: break;
1.90 schwarze 499: case OUTT_PS:
1.51 schwarze 500: curp->outdata = ps_alloc(curp->outopts);
501: curp->outfree = pspdf_free;
502: break;
503: default:
504: break;
505: }
506:
507: switch (curp->outtype) {
1.90 schwarze 508: case OUTT_HTML:
1.51 schwarze 509: /* FALLTHROUGH */
1.90 schwarze 510: case OUTT_XHTML:
1.51 schwarze 511: curp->outman = html_man;
512: curp->outmdoc = html_mdoc;
513: break;
1.90 schwarze 514: case OUTT_TREE:
1.51 schwarze 515: curp->outman = tree_man;
516: curp->outmdoc = tree_mdoc;
517: break;
1.90 schwarze 518: case OUTT_MAN:
1.78 schwarze 519: curp->outmdoc = man_mdoc;
1.80 schwarze 520: curp->outman = man_man;
1.78 schwarze 521: break;
1.90 schwarze 522: case OUTT_PDF:
1.51 schwarze 523: /* FALLTHROUGH */
1.90 schwarze 524: case OUTT_ASCII:
1.51 schwarze 525: /* FALLTHROUGH */
1.90 schwarze 526: case OUTT_UTF8:
1.77 schwarze 527: /* FALLTHROUGH */
1.90 schwarze 528: case OUTT_LOCALE:
1.77 schwarze 529: /* FALLTHROUGH */
1.90 schwarze 530: case OUTT_PS:
1.51 schwarze 531: curp->outman = terminal_man;
532: curp->outmdoc = terminal_mdoc;
533: break;
534: default:
535: break;
536: }
537: }
538:
1.88 schwarze 539: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 540:
1.51 schwarze 541: /* Execute the out device, if it exists. */
542:
1.76 schwarze 543: if (man && curp->outman)
544: (*curp->outman)(curp->outdata, man);
545: if (mdoc && curp->outmdoc)
546: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 547:
548: cleanup:
1.59 schwarze 549:
1.76 schwarze 550: mparse_reset(curp->mp);
1.59 schwarze 551:
1.76 schwarze 552: if (*level < rc)
553: *level = rc;
1.1 kristaps 554: }
555:
1.95 schwarze 556: static enum mandoclevel
1.100 schwarze 557: passthrough(const char *file, int fd)
1.95 schwarze 558: {
559: char buf[BUFSIZ];
560: const char *syscall;
561: ssize_t nr, nw, off;
562:
563: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
564: for (off = 0; off < nr; off += nw)
565: if ((nw = write(STDOUT_FILENO, buf + off,
566: (size_t)(nr - off))) == -1 || nw == 0) {
1.101 ! schwarze 567: close(fd);
1.95 schwarze 568: syscall = "write";
569: goto fail;
570: }
571:
1.101 ! schwarze 572: close(fd);
! 573:
! 574: if (nr == 0)
1.95 schwarze 575: return(MANDOCLEVEL_OK);
576:
577: syscall = "read";
578: fail:
579: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
580: progname, file, syscall, strerror(errno));
581: return(MANDOCLEVEL_SYSERR);
582: }
583:
1.1 kristaps 584: static int
1.87 schwarze 585: moptions(int *options, char *arg)
1.1 kristaps 586: {
587:
1.95 schwarze 588: if (arg == NULL)
589: /* nothing to do */;
590: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 591: *options |= MPARSE_MDOC;
1.1 kristaps 592: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 593: /* nothing to do */;
1.1 kristaps 594: else if (0 == strcmp(arg, "an"))
1.87 schwarze 595: *options |= MPARSE_MAN;
1.1 kristaps 596: else {
1.93 schwarze 597: fprintf(stderr, "%s: -m%s: Bad argument\n",
598: progname, arg);
1.1 kristaps 599: return(0);
600: }
601:
602: return(1);
603: }
604:
605: static int
1.22 schwarze 606: toptions(struct curparse *curp, char *arg)
1.1 kristaps 607: {
608:
609: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 610: curp->outtype = OUTT_ASCII;
611: else if (0 == strcmp(arg, "lint")) {
612: curp->outtype = OUTT_LINT;
1.45 schwarze 613: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 614: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 615: curp->outtype = OUTT_TREE;
1.78 schwarze 616: else if (0 == strcmp(arg, "man"))
617: curp->outtype = OUTT_MAN;
1.17 schwarze 618: else if (0 == strcmp(arg, "html"))
1.22 schwarze 619: curp->outtype = OUTT_HTML;
1.77 schwarze 620: else if (0 == strcmp(arg, "utf8"))
621: curp->outtype = OUTT_UTF8;
622: else if (0 == strcmp(arg, "locale"))
623: curp->outtype = OUTT_LOCALE;
1.21 schwarze 624: else if (0 == strcmp(arg, "xhtml"))
1.22 schwarze 625: curp->outtype = OUTT_XHTML;
1.36 schwarze 626: else if (0 == strcmp(arg, "ps"))
627: curp->outtype = OUTT_PS;
1.43 schwarze 628: else if (0 == strcmp(arg, "pdf"))
629: curp->outtype = OUTT_PDF;
1.1 kristaps 630: else {
1.93 schwarze 631: fprintf(stderr, "%s: -T%s: Bad argument\n",
632: progname, arg);
1.1 kristaps 633: return(0);
634: }
635:
636: return(1);
637: }
638:
639: static int
1.45 schwarze 640: woptions(struct curparse *curp, char *arg)
1.1 kristaps 641: {
1.10 schwarze 642: char *v, *o;
1.90 schwarze 643: const char *toks[6];
1.1 kristaps 644:
1.45 schwarze 645: toks[0] = "stop";
646: toks[1] = "all";
647: toks[2] = "warning";
648: toks[3] = "error";
649: toks[4] = "fatal";
650: toks[5] = NULL;
1.1 kristaps 651:
1.10 schwarze 652: while (*arg) {
653: o = arg;
1.17 schwarze 654: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 655: case 0:
1.45 schwarze 656: curp->wstop = 1;
1.1 kristaps 657: break;
1.90 schwarze 658: case 1:
1.45 schwarze 659: /* FALLTHROUGH */
1.90 schwarze 660: case 2:
1.45 schwarze 661: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 662: break;
1.90 schwarze 663: case 3:
1.45 schwarze 664: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 665: break;
1.90 schwarze 666: case 4:
1.45 schwarze 667: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 668: break;
1.1 kristaps 669: default:
1.93 schwarze 670: fprintf(stderr, "%s: -W%s: Bad argument\n",
671: progname, o);
1.1 kristaps 672: return(0);
673: }
1.10 schwarze 674: }
1.1 kristaps 675:
676: return(1);
677: }
678:
1.75 schwarze 679: static void
1.90 schwarze 680: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 681: const char *file, int line, int col, const char *msg)
1.30 schwarze 682: {
1.94 schwarze 683: const char *mparse_msg;
1.45 schwarze 684:
1.92 schwarze 685: fprintf(stderr, "%s: %s:", progname, file);
686:
687: if (line)
688: fprintf(stderr, "%d:%d:", line, col + 1);
689:
1.94 schwarze 690: fprintf(stderr, " %s", mparse_strlevel(lvl));
691:
692: if (NULL != (mparse_msg = mparse_strerror(t)))
693: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 694:
695: if (msg)
696: fprintf(stderr, ": %s", msg);
1.76 schwarze 697:
1.30 schwarze 698: fputc('\n', stderr);
1.95 schwarze 699: }
700:
701: static void
702: spawn_pager(void)
703: {
704: #define MAX_PAGER_ARGS 16
705: char *argv[MAX_PAGER_ARGS];
706: const char *pager;
707: char *cp;
708: int fildes[2];
709: int argc;
710:
711: if (pipe(fildes) == -1) {
712: fprintf(stderr, "%s: pipe: %s\n",
713: progname, strerror(errno));
714: return;
715: }
716:
717: switch (fork()) {
718: case -1:
719: fprintf(stderr, "%s: fork: %s\n",
720: progname, strerror(errno));
721: exit((int)MANDOCLEVEL_SYSERR);
722: case 0:
723: close(fildes[0]);
724: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
725: fprintf(stderr, "%s: dup output: %s\n",
726: progname, strerror(errno));
727: exit((int)MANDOCLEVEL_SYSERR);
728: }
729: return;
730: default:
731: break;
732: }
733:
734: /* The original process becomes the pager. */
735:
736: close(fildes[1]);
737: if (dup2(fildes[0], STDIN_FILENO) == -1) {
738: fprintf(stderr, "%s: dup input: %s\n",
739: progname, strerror(errno));
740: exit((int)MANDOCLEVEL_SYSERR);
741: }
742:
743: pager = getenv("MANPAGER");
744: if (pager == NULL || *pager == '\0')
745: pager = getenv("PAGER");
746: if (pager == NULL || *pager == '\0')
747: pager = "/usr/bin/more -s";
748: cp = mandoc_strdup(pager);
749:
750: /*
751: * Parse the pager command into words.
752: * Intentionally do not do anything fancy here.
753: */
754:
755: argc = 0;
756: while (argc + 1 < MAX_PAGER_ARGS) {
757: argv[argc++] = cp;
758: cp = strchr(cp, ' ');
759: if (cp == NULL)
760: break;
761: *cp++ = '\0';
762: while (*cp == ' ')
763: cp++;
764: if (*cp == '\0')
765: break;
766: }
767: argv[argc] = NULL;
768:
769: /* Hand over to the pager. */
770:
771: execvp(argv[0], argv);
772: fprintf(stderr, "%s: exec: %s\n",
773: progname, strerror(errno));
774: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 775: }
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