Annotation of mandoc/main.c, Revision 1.194
1.194 ! schwarze 1: /* $Id: main.c,v 1.193 2014/10/18 15:57:34 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.170 schwarze 4: * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.169 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
1.25 kristaps 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: *
1.25 kristaps 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: */
1.58 kristaps 19: #include "config.h"
1.178 schwarze 20:
21: #include <sys/types.h>
1.58 kristaps 22:
1.1 kristaps 23: #include <assert.h>
1.185 schwarze 24: #include <ctype.h>
1.183 schwarze 25: #include <errno.h>
1.186 schwarze 26: #include <fcntl.h>
1.1 kristaps 27: #include <stdio.h>
1.45 kristaps 28: #include <stdint.h>
1.1 kristaps 29: #include <stdlib.h>
30: #include <string.h>
31: #include <unistd.h>
32:
1.71 kristaps 33: #include "mandoc.h"
1.172 schwarze 34: #include "mandoc_aux.h"
1.90 kristaps 35: #include "main.h"
1.1 kristaps 36: #include "mdoc.h"
1.10 kristaps 37: #include "man.h"
1.180 schwarze 38: #include "manpath.h"
39: #include "mansearch.h"
1.101 joerg 40:
1.55 kristaps 41: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 kristaps 42: # if !defined(lint)
43: # define __attribute__(x)
44: # endif
1.55 kristaps 45: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 46:
1.181 schwarze 47: enum outmode {
48: OUTMODE_DEF = 0,
49: OUTMODE_FLN,
50: OUTMODE_LST,
51: OUTMODE_ALL,
52: OUTMODE_INT,
53: OUTMODE_ONE
54: };
55:
1.42 kristaps 56: typedef void (*out_mdoc)(void *, const struct mdoc *);
57: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 58: typedef void (*out_free)(void *);
59:
1.19 kristaps 60: enum outt {
1.154 kristaps 61: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 62: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 63: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 64: OUTT_TREE, /* -Ttree */
1.164 schwarze 65: OUTT_MAN, /* -Tman */
1.154 kristaps 66: OUTT_HTML, /* -Thtml */
67: OUTT_XHTML, /* -Txhtml */
68: OUTT_LINT, /* -Tlint */
69: OUTT_PS, /* -Tps */
70: OUTT_PDF /* -Tpdf */
1.19 kristaps 71: };
72:
1.5 kristaps 73: struct curparse {
1.154 kristaps 74: struct mparse *mp;
1.148 kristaps 75: enum mandoclevel wlevel; /* ignore messages below this */
76: int wstop; /* stop after a file with a warning */
1.173 schwarze 77: enum outt outtype; /* which output to use */
1.79 kristaps 78: out_mdoc outmdoc; /* mdoc output ptr */
1.173 schwarze 79: out_man outman; /* man output ptr */
1.79 kristaps 80: out_free outfree; /* free output ptr */
81: void *outdata; /* data for output */
82: char outopts[BUFSIZ]; /* buf of output opts */
83: };
84:
1.194 ! schwarze 85: static int koptions(int *, char *);
1.170 schwarze 86: static int moptions(int *, char *);
1.155 kristaps 87: static void mmsg(enum mandocerr, enum mandoclevel,
88: const char *, int, int, const char *);
1.173 schwarze 89: static void parse(struct curparse *, int,
1.154 kristaps 90: const char *, enum mandoclevel *);
1.192 schwarze 91: static enum mandoclevel passthrough(const char *, int);
1.183 schwarze 92: static void spawn_pager(void);
1.66 kristaps 93: static int toptions(struct curparse *, char *);
1.180 schwarze 94: static void usage(enum argmode) __attribute__((noreturn));
1.55 kristaps 95: static void version(void) __attribute__((noreturn));
1.103 schwarze 96: static int woptions(struct curparse *, char *);
1.1 kristaps 97:
1.182 schwarze 98: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.54 kristaps 99: static const char *progname;
1.1 kristaps 100:
1.173 schwarze 101:
1.1 kristaps 102: int
103: main(int argc, char *argv[])
104: {
1.5 kristaps 105: struct curparse curp;
1.180 schwarze 106: struct mansearch search;
107: struct manpaths paths;
108: char *conf_file, *defpaths, *auxpaths;
109: char *defos;
110: #if HAVE_SQLITE3
1.186 schwarze 111: struct manpage *res, *resp;
1.182 schwarze 112: size_t isec, i, sz;
113: int prio, best_prio;
114: char sec;
1.180 schwarze 115: #endif
116: enum mandoclevel rc;
1.181 schwarze 117: enum outmode outmode;
1.192 schwarze 118: pid_t child_pid;
119: int fd;
1.180 schwarze 120: int show_usage;
1.183 schwarze 121: int use_pager;
1.170 schwarze 122: int options;
1.180 schwarze 123: int c;
1.1 kristaps 124:
1.54 kristaps 125: progname = strrchr(argv[0], '/');
126: if (progname == NULL)
127: progname = argv[0];
128: else
129: ++progname;
1.179 schwarze 130:
1.180 schwarze 131: /* Search options. */
132:
133: memset(&paths, 0, sizeof(struct manpaths));
134: conf_file = defpaths = auxpaths = NULL;
135:
136: memset(&search, 0, sizeof(struct mansearch));
137: search.outkey = "Nd";
138:
139: if (strcmp(progname, "man") == 0)
140: search.argmode = ARG_NAME;
141: else if (strncmp(progname, "apropos", 7) == 0)
142: search.argmode = ARG_EXPR;
143: else if (strncmp(progname, "whatis", 6) == 0)
144: search.argmode = ARG_WORD;
145: else
146: search.argmode = ARG_FILE;
147:
148: /* Parser and formatter options. */
1.54 kristaps 149:
1.51 kristaps 150: memset(&curp, 0, sizeof(struct curparse));
1.22 kristaps 151: curp.outtype = OUTT_ASCII;
1.103 schwarze 152: curp.wlevel = MANDOCLEVEL_FATAL;
1.194 ! schwarze 153: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.166 schwarze 154: defos = NULL;
1.19 kristaps 155:
1.183 schwarze 156: use_pager = 1;
1.180 schwarze 157: show_usage = 0;
1.181 schwarze 158: outmode = OUTMODE_DEF;
1.183 schwarze 159:
1.194 ! schwarze 160: while (-1 != (c = getopt(argc, argv,
! 161: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 162: switch (c) {
1.181 schwarze 163: case 'a':
164: outmode = OUTMODE_ALL;
165: break;
1.180 schwarze 166: case 'C':
167: conf_file = optarg;
168: break;
1.183 schwarze 169: case 'c':
170: use_pager = 0;
171: break;
1.180 schwarze 172: case 'f':
173: search.argmode = ARG_WORD;
174: break;
1.190 schwarze 175: case 'h':
176: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
177: outmode = OUTMODE_ALL;
178: break;
1.173 schwarze 179: case 'I':
1.166 schwarze 180: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 181: fprintf(stderr,
1.176 schwarze 182: "%s: -I%s: Bad argument\n",
183: progname, optarg);
1.166 schwarze 184: return((int)MANDOCLEVEL_BADARG);
185: }
186: if (defos) {
1.173 schwarze 187: fprintf(stderr,
1.176 schwarze 188: "%s: -I%s: Duplicate argument\n",
189: progname, optarg);
1.166 schwarze 190: return((int)MANDOCLEVEL_BADARG);
191: }
192: defos = mandoc_strdup(optarg + 3);
193: break;
1.181 schwarze 194: case 'i':
195: outmode = OUTMODE_INT;
196: break;
1.194 ! schwarze 197: case 'K':
! 198: if ( ! koptions(&options, optarg))
! 199: return((int)MANDOCLEVEL_BADARG);
! 200: break;
1.180 schwarze 201: case 'k':
202: search.argmode = ARG_EXPR;
203: break;
1.188 schwarze 204: case 'l':
205: search.argmode = ARG_FILE;
206: outmode = OUTMODE_ALL;
207: break;
1.180 schwarze 208: case 'M':
209: defpaths = optarg;
210: break;
1.173 schwarze 211: case 'm':
1.180 schwarze 212: auxpaths = optarg;
1.10 kristaps 213: break;
1.173 schwarze 214: case 'O':
1.180 schwarze 215: search.outkey = optarg;
1.49 kristaps 216: (void)strlcat(curp.outopts, optarg, BUFSIZ);
217: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 218: break;
1.180 schwarze 219: case 'S':
220: search.arch = optarg;
221: break;
222: case 's':
223: search.sec = optarg;
224: break;
1.173 schwarze 225: case 'T':
1.60 kristaps 226: if ( ! toptions(&curp, optarg))
1.105 kristaps 227: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 228: break;
1.173 schwarze 229: case 'W':
1.103 schwarze 230: if ( ! woptions(&curp, optarg))
1.105 kristaps 231: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 232: break;
1.181 schwarze 233: case 'w':
234: outmode = OUTMODE_FLN;
235: break;
1.173 schwarze 236: case 'V':
1.1 kristaps 237: version();
238: /* NOTREACHED */
239: default:
1.180 schwarze 240: show_usage = 1;
241: break;
1.1 kristaps 242: }
1.180 schwarze 243: }
244:
245: if (show_usage)
246: usage(search.argmode);
247:
1.185 schwarze 248: /* Postprocess options. */
249:
1.181 schwarze 250: if (outmode == OUTMODE_DEF) {
251: switch (search.argmode) {
252: case ARG_FILE:
253: outmode = OUTMODE_ALL;
1.183 schwarze 254: use_pager = 0;
1.181 schwarze 255: break;
256: case ARG_NAME:
257: outmode = OUTMODE_ONE;
258: break;
259: default:
260: outmode = OUTMODE_LST;
261: break;
262: }
263: }
264:
1.185 schwarze 265: /* Parse arguments. */
266:
1.180 schwarze 267: argc -= optind;
268: argv += optind;
1.182 schwarze 269: #if HAVE_SQLITE3
1.186 schwarze 270: resp = NULL;
1.182 schwarze 271: #endif
1.185 schwarze 272:
273: /* Quirk for a man(1) section argument without -s. */
274:
275: if (search.argmode == ARG_NAME &&
276: argv[0] != NULL &&
277: isdigit((unsigned char)argv[0][0]) &&
278: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
279: search.sec = argv[0];
280: argv++;
281: argc--;
282: }
1.182 schwarze 283:
284: rc = MANDOCLEVEL_OK;
1.180 schwarze 285:
286: /* man(1), whatis(1), apropos(1) */
287:
288: if (search.argmode != ARG_FILE) {
289: #if HAVE_SQLITE3
290: if (argc == 0)
291: usage(search.argmode);
1.182 schwarze 292:
293: /* Access the mandoc database. */
294:
1.180 schwarze 295: manpath_parse(&paths, conf_file, defpaths, auxpaths);
296: mansearch_setup(1);
297: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
298: usage(search.argmode);
1.186 schwarze 299: resp = res;
1.187 schwarze 300:
301: if (sz == 0) {
302: if (search.argmode == ARG_NAME)
303: fprintf(stderr, "%s: No entry for %s "
304: "in the manual.\n", progname, argv[0]);
305: rc = MANDOCLEVEL_BADARG;
306: goto out;
307: }
1.182 schwarze 308:
309: /*
310: * For standard man(1) and -a output mode,
311: * prepare for copying filename pointers
312: * into the program parameter array.
313: */
314:
315: if (outmode == OUTMODE_ONE) {
316: argc = 1;
317: best_prio = 10;
1.186 schwarze 318: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 319: argc = (int)sz;
320:
321: /* Iterate all matching manuals. */
322:
1.181 schwarze 323: for (i = 0; i < sz; i++) {
324: if (outmode == OUTMODE_FLN)
325: puts(res[i].file);
1.182 schwarze 326: else if (outmode == OUTMODE_LST)
1.181 schwarze 327: printf("%s - %s\n", res[i].names,
328: res[i].output == NULL ? "" :
329: res[i].output);
1.186 schwarze 330: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 331: /* Search for the best section. */
332: isec = strcspn(res[i].file, "123456789");
333: sec = res[i].file[isec];
334: if ('\0' == sec)
335: continue;
336: prio = sec_prios[sec - '1'];
337: if (prio >= best_prio)
338: continue;
339: best_prio = prio;
1.186 schwarze 340: resp = res + i;
1.182 schwarze 341: }
1.181 schwarze 342: }
1.182 schwarze 343:
344: /*
345: * For man(1), -a and -i output mode, fall through
346: * to the main mandoc(1) code iterating files
347: * and running the parsers on each of them.
348: */
349:
350: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
351: goto out;
1.180 schwarze 352: #else
353: fputs("mandoc: database support not compiled in\n",
354: stderr);
355: return((int)MANDOCLEVEL_BADARG);
356: #endif
357: }
358:
359: /* mandoc(1) */
360:
361: if ( ! moptions(&options, auxpaths))
362: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 363:
1.183 schwarze 364: if (use_pager && isatty(STDOUT_FILENO))
365: spawn_pager();
366:
1.170 schwarze 367: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.154 kristaps 368:
1.165 kristaps 369: /*
370: * Conditionally start up the lookaside buffer before parsing.
371: */
372: if (OUTT_MAN == curp.outtype)
373: mparse_keep(curp.mp);
374:
1.186 schwarze 375: if (argc == 0)
1.154 kristaps 376: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 377:
1.186 schwarze 378: while (argc) {
379: #if HAVE_SQLITE3
380: if (resp != NULL) {
1.192 schwarze 381: rc = mparse_open(curp.mp, &fd, resp->file,
382: &child_pid);
383: if (fd == -1)
384: /* nothing */;
385: else if (resp->form & FORM_SRC) {
1.189 schwarze 386: /* For .so only; ignore failure. */
387: chdir(paths.paths[resp->ipath]);
1.192 schwarze 388: parse(&curp, fd, resp->file, &rc);
1.189 schwarze 389: } else
1.192 schwarze 390: rc = passthrough(resp->file, fd);
1.186 schwarze 391: resp++;
392: } else
393: #endif
1.192 schwarze 394: {
395: rc = mparse_open(curp.mp, &fd, *argv++,
396: &child_pid);
397: if (fd != -1)
398: parse(&curp, fd, argv[-1], &rc);
399: }
400:
401: if (child_pid &&
402: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
403: rc = MANDOCLEVEL_SYSERR;
404:
1.154 kristaps 405: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 406: break;
1.186 schwarze 407: argc--;
1.1 kristaps 408: }
409:
1.22 kristaps 410: if (curp.outfree)
411: (*curp.outfree)(curp.outdata);
1.154 kristaps 412: if (curp.mp)
413: mparse_free(curp.mp);
1.182 schwarze 414:
415: #if HAVE_SQLITE3
416: out:
417: if (search.argmode != ARG_FILE) {
1.189 schwarze 418: manpath_free(&paths);
1.182 schwarze 419: mansearch_free(res, sz);
420: mansearch_setup(0);
421: }
422: #endif
423:
1.166 schwarze 424: free(defos);
1.1 kristaps 425:
1.154 kristaps 426: return((int)rc);
1.1 kristaps 427: }
428:
1.55 kristaps 429: static void
1.1 kristaps 430: version(void)
431: {
432:
1.180 schwarze 433: printf("mandoc %s\n", VERSION);
1.105 kristaps 434: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 435: }
436:
1.55 kristaps 437: static void
1.180 schwarze 438: usage(enum argmode argmode)
1.1 kristaps 439: {
440:
1.180 schwarze 441: switch (argmode) {
442: case ARG_FILE:
1.190 schwarze 443: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.188 schwarze 444: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.180 schwarze 445: "\t [file ...]\n", stderr);
446: break;
447: case ARG_NAME:
1.188 schwarze 448: fputs("usage: man [-acfhklVw] [-C file] "
1.180 schwarze 449: "[-M path] [-m path] [-S arch] [-s section]\n"
450: "\t [section] name ...\n", stderr);
451: break;
452: case ARG_WORD:
1.190 schwarze 453: fputs("usage: whatis [-acfhklVw] [-C file] "
1.188 schwarze 454: "[-M path] [-m path] [-O outkey] [-S arch]\n"
455: "\t [-s section] name ...\n", stderr);
1.180 schwarze 456: break;
457: case ARG_EXPR:
1.190 schwarze 458: fputs("usage: apropos [-acfhklVw] [-C file] "
1.188 schwarze 459: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 460: "\t [-s section] expression ...\n", stderr);
461: break;
462: }
1.105 kristaps 463: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 464: }
465:
1.64 kristaps 466: static void
1.173 schwarze 467: parse(struct curparse *curp, int fd, const char *file,
468: enum mandoclevel *level)
1.1 kristaps 469: {
1.154 kristaps 470: enum mandoclevel rc;
471: struct mdoc *mdoc;
472: struct man *man;
1.112 kristaps 473:
1.154 kristaps 474: /* Begin by parsing the file itself. */
1.112 kristaps 475:
1.154 kristaps 476: assert(file);
477: assert(fd >= -1);
1.112 kristaps 478:
1.154 kristaps 479: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 480:
1.154 kristaps 481: /* Stop immediately if the parse has failed. */
1.92 kristaps 482:
1.154 kristaps 483: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 484: goto cleanup;
485:
1.1 kristaps 486: /*
1.154 kristaps 487: * With -Wstop and warnings or errors of at least the requested
488: * level, do not produce output.
1.1 kristaps 489: */
490:
1.154 kristaps 491: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 492: goto cleanup;
493:
494: /* If unset, allocate output dev now (if applicable). */
495:
496: if ( ! (curp->outman && curp->outmdoc)) {
497: switch (curp->outtype) {
1.173 schwarze 498: case OUTT_XHTML:
1.111 kristaps 499: curp->outdata = xhtml_alloc(curp->outopts);
1.162 kristaps 500: curp->outfree = html_free;
1.111 kristaps 501: break;
1.173 schwarze 502: case OUTT_HTML:
1.111 kristaps 503: curp->outdata = html_alloc(curp->outopts);
1.162 kristaps 504: curp->outfree = html_free;
505: break;
1.173 schwarze 506: case OUTT_UTF8:
1.163 kristaps 507: curp->outdata = utf8_alloc(curp->outopts);
508: curp->outfree = ascii_free;
509: break;
1.173 schwarze 510: case OUTT_LOCALE:
1.162 kristaps 511: curp->outdata = locale_alloc(curp->outopts);
512: curp->outfree = ascii_free;
1.111 kristaps 513: break;
1.173 schwarze 514: case OUTT_ASCII:
1.111 kristaps 515: curp->outdata = ascii_alloc(curp->outopts);
516: curp->outfree = ascii_free;
517: break;
1.173 schwarze 518: case OUTT_PDF:
1.111 kristaps 519: curp->outdata = pdf_alloc(curp->outopts);
520: curp->outfree = pspdf_free;
521: break;
1.173 schwarze 522: case OUTT_PS:
1.111 kristaps 523: curp->outdata = ps_alloc(curp->outopts);
524: curp->outfree = pspdf_free;
525: break;
526: default:
527: break;
528: }
529:
530: switch (curp->outtype) {
1.173 schwarze 531: case OUTT_HTML:
1.111 kristaps 532: /* FALLTHROUGH */
1.173 schwarze 533: case OUTT_XHTML:
1.111 kristaps 534: curp->outman = html_man;
535: curp->outmdoc = html_mdoc;
536: break;
1.173 schwarze 537: case OUTT_TREE:
1.111 kristaps 538: curp->outman = tree_man;
539: curp->outmdoc = tree_mdoc;
540: break;
1.173 schwarze 541: case OUTT_MAN:
1.164 schwarze 542: curp->outmdoc = man_mdoc;
1.165 kristaps 543: curp->outman = man_man;
1.164 schwarze 544: break;
1.173 schwarze 545: case OUTT_PDF:
1.111 kristaps 546: /* FALLTHROUGH */
1.173 schwarze 547: case OUTT_ASCII:
1.111 kristaps 548: /* FALLTHROUGH */
1.173 schwarze 549: case OUTT_UTF8:
1.163 kristaps 550: /* FALLTHROUGH */
1.173 schwarze 551: case OUTT_LOCALE:
1.162 kristaps 552: /* FALLTHROUGH */
1.173 schwarze 553: case OUTT_PS:
1.111 kristaps 554: curp->outman = terminal_man;
555: curp->outmdoc = terminal_mdoc;
556: break;
557: default:
558: break;
559: }
560: }
561:
1.171 schwarze 562: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 563:
1.111 kristaps 564: /* Execute the out device, if it exists. */
565:
1.154 kristaps 566: if (man && curp->outman)
567: (*curp->outman)(curp->outdata, man);
568: if (mdoc && curp->outmdoc)
569: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 570:
571: cleanup:
1.112 kristaps 572:
1.154 kristaps 573: mparse_reset(curp->mp);
1.111 kristaps 574:
1.154 kristaps 575: if (*level < rc)
576: *level = rc;
1.186 schwarze 577: }
578:
579: static enum mandoclevel
1.192 schwarze 580: passthrough(const char *file, int fd)
1.186 schwarze 581: {
582: char buf[BUFSIZ];
583: const char *syscall;
584: ssize_t nr, nw, off;
585:
586: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
587: for (off = 0; off < nr; off += nw)
588: if ((nw = write(STDOUT_FILENO, buf + off,
589: (size_t)(nr - off))) == -1 || nw == 0) {
1.193 schwarze 590: close(fd);
1.186 schwarze 591: syscall = "write";
592: goto fail;
593: }
594:
1.193 schwarze 595: close(fd);
596:
597: if (nr == 0)
1.186 schwarze 598: return(MANDOCLEVEL_OK);
599:
600: syscall = "read";
601: fail:
602: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
603: progname, file, syscall, strerror(errno));
604: return(MANDOCLEVEL_SYSERR);
1.194 ! schwarze 605: }
! 606:
! 607: static int
! 608: koptions(int *options, char *arg)
! 609: {
! 610:
! 611: if ( ! strcmp(arg, "utf-8")) {
! 612: *options |= MPARSE_UTF8;
! 613: *options &= ~MPARSE_LATIN1;
! 614: } else if ( ! strcmp(arg, "iso-8859-1")) {
! 615: *options |= MPARSE_LATIN1;
! 616: *options &= ~MPARSE_UTF8;
! 617: } else if ( ! strcmp(arg, "us-ascii")) {
! 618: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
! 619: } else {
! 620: fprintf(stderr, "%s: -K%s: Bad argument\n",
! 621: progname, arg);
! 622: return(0);
! 623: }
! 624: return(1);
1.10 kristaps 625: }
626:
627: static int
1.170 schwarze 628: moptions(int *options, char *arg)
1.10 kristaps 629: {
630:
1.180 schwarze 631: if (arg == NULL)
632: /* nothing to do */;
633: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 634: *options |= MPARSE_MDOC;
1.19 kristaps 635: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 636: /* nothing to do */;
1.17 kristaps 637: else if (0 == strcmp(arg, "an"))
1.170 schwarze 638: *options |= MPARSE_MAN;
1.10 kristaps 639: else {
1.176 schwarze 640: fprintf(stderr, "%s: -m%s: Bad argument\n",
641: progname, arg);
1.10 kristaps 642: return(0);
643: }
644:
645: return(1);
1.1 kristaps 646: }
647:
648: static int
1.60 kristaps 649: toptions(struct curparse *curp, char *arg)
1.1 kristaps 650: {
651:
652: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 653: curp->outtype = OUTT_ASCII;
654: else if (0 == strcmp(arg, "lint")) {
655: curp->outtype = OUTT_LINT;
1.103 schwarze 656: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 657: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 658: curp->outtype = OUTT_TREE;
1.164 schwarze 659: else if (0 == strcmp(arg, "man"))
660: curp->outtype = OUTT_MAN;
1.43 kristaps 661: else if (0 == strcmp(arg, "html"))
1.60 kristaps 662: curp->outtype = OUTT_HTML;
1.163 kristaps 663: else if (0 == strcmp(arg, "utf8"))
664: curp->outtype = OUTT_UTF8;
1.162 kristaps 665: else if (0 == strcmp(arg, "locale"))
666: curp->outtype = OUTT_LOCALE;
1.59 kristaps 667: else if (0 == strcmp(arg, "xhtml"))
1.60 kristaps 668: curp->outtype = OUTT_XHTML;
1.85 kristaps 669: else if (0 == strcmp(arg, "ps"))
670: curp->outtype = OUTT_PS;
1.100 kristaps 671: else if (0 == strcmp(arg, "pdf"))
672: curp->outtype = OUTT_PDF;
1.1 kristaps 673: else {
1.176 schwarze 674: fprintf(stderr, "%s: -T%s: Bad argument\n",
675: progname, arg);
1.1 kristaps 676: return(0);
677: }
678:
679: return(1);
680: }
681:
682: static int
1.103 schwarze 683: woptions(struct curparse *curp, char *arg)
1.1 kristaps 684: {
1.34 kristaps 685: char *v, *o;
1.173 schwarze 686: const char *toks[6];
1.1 kristaps 687:
1.103 schwarze 688: toks[0] = "stop";
689: toks[1] = "all";
690: toks[2] = "warning";
691: toks[3] = "error";
692: toks[4] = "fatal";
693: toks[5] = NULL;
1.1 kristaps 694:
1.34 kristaps 695: while (*arg) {
696: o = arg;
1.45 kristaps 697: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 698: case 0:
1.103 schwarze 699: curp->wstop = 1;
1.1 kristaps 700: break;
1.173 schwarze 701: case 1:
1.103 schwarze 702: /* FALLTHROUGH */
1.173 schwarze 703: case 2:
1.103 schwarze 704: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 705: break;
1.173 schwarze 706: case 3:
1.103 schwarze 707: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 708: break;
1.173 schwarze 709: case 4:
1.103 schwarze 710: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 711: break;
1.1 kristaps 712: default:
1.176 schwarze 713: fprintf(stderr, "%s: -W%s: Bad argument\n",
714: progname, o);
1.1 kristaps 715: return(0);
716: }
1.34 kristaps 717: }
1.1 kristaps 718:
719: return(1);
720: }
721:
1.153 kristaps 722: static void
1.173 schwarze 723: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 724: const char *file, int line, int col, const char *msg)
1.71 kristaps 725: {
1.177 schwarze 726: const char *mparse_msg;
1.103 schwarze 727:
1.175 schwarze 728: fprintf(stderr, "%s: %s:", progname, file);
729:
730: if (line)
731: fprintf(stderr, "%d:%d:", line, col + 1);
732:
1.177 schwarze 733: fprintf(stderr, " %s", mparse_strlevel(lvl));
734:
735: if (NULL != (mparse_msg = mparse_strerror(t)))
736: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 737:
1.73 kristaps 738: if (msg)
739: fprintf(stderr, ": %s", msg);
1.154 kristaps 740:
1.73 kristaps 741: fputc('\n', stderr);
1.183 schwarze 742: }
743:
744: static void
745: spawn_pager(void)
746: {
1.184 schwarze 747: #define MAX_PAGER_ARGS 16
748: char *argv[MAX_PAGER_ARGS];
749: const char *pager;
750: char *cp;
751: int fildes[2];
752: int argc;
1.183 schwarze 753:
754: if (pipe(fildes) == -1) {
755: fprintf(stderr, "%s: pipe: %s\n",
756: progname, strerror(errno));
757: return;
758: }
759:
760: switch (fork()) {
761: case -1:
762: fprintf(stderr, "%s: fork: %s\n",
763: progname, strerror(errno));
764: exit((int)MANDOCLEVEL_SYSERR);
765: case 0:
766: close(fildes[0]);
767: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
768: fprintf(stderr, "%s: dup output: %s\n",
769: progname, strerror(errno));
770: exit((int)MANDOCLEVEL_SYSERR);
771: }
772: return;
773: default:
1.184 schwarze 774: break;
775: }
776:
777: /* The original process becomes the pager. */
778:
779: close(fildes[1]);
780: if (dup2(fildes[0], STDIN_FILENO) == -1) {
781: fprintf(stderr, "%s: dup input: %s\n",
782: progname, strerror(errno));
1.183 schwarze 783: exit((int)MANDOCLEVEL_SYSERR);
784: }
1.184 schwarze 785:
786: pager = getenv("MANPAGER");
787: if (pager == NULL || *pager == '\0')
788: pager = getenv("PAGER");
789: if (pager == NULL || *pager == '\0')
790: pager = "/usr/bin/more -s";
791: cp = mandoc_strdup(pager);
792:
793: /*
794: * Parse the pager command into words.
795: * Intentionally do not do anything fancy here.
796: */
797:
798: argc = 0;
799: while (argc + 1 < MAX_PAGER_ARGS) {
800: argv[argc++] = cp;
801: cp = strchr(cp, ' ');
802: if (cp == NULL)
803: break;
804: *cp++ = '\0';
805: while (*cp == ' ')
806: cp++;
807: if (*cp == '\0')
808: break;
809: }
810: argv[argc] = NULL;
811:
812: /* Hand over to the pager. */
813:
814: execvp(argv[0], argv);
815: fprintf(stderr, "%s: exec: %s\n",
816: progname, strerror(errno));
817: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 818: }
CVSweb