Annotation of mandoc/main.c, Revision 1.327
1.327 ! schwarze 1: /* $Id: main.c,v 1.326 2019/05/03 17:31:15 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.317 schwarze 4: * Copyright (c) 2010-2012, 2014-2019 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: *
1.229 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.25 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.229 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.25 kristaps 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>
1.304 schwarze 22: #include <sys/ioctl.h>
1.216 schwarze 23: #include <sys/param.h> /* MACHINE */
1.326 schwarze 24: #include <sys/stat.h>
1.224 schwarze 25: #include <sys/wait.h>
1.58 kristaps 26:
1.1 kristaps 27: #include <assert.h>
1.185 schwarze 28: #include <ctype.h>
1.256 schwarze 29: #if HAVE_ERR
1.247 schwarze 30: #include <err.h>
1.256 schwarze 31: #endif
1.258 schwarze 32: #include <errno.h>
1.186 schwarze 33: #include <fcntl.h>
1.222 schwarze 34: #include <glob.h>
1.269 kristaps 35: #if HAVE_SANDBOX_INIT
36: #include <sandbox.h>
37: #endif
1.226 schwarze 38: #include <signal.h>
1.1 kristaps 39: #include <stdio.h>
1.45 kristaps 40: #include <stdint.h>
1.1 kristaps 41: #include <stdlib.h>
42: #include <string.h>
1.321 schwarze 43: #include <termios.h>
1.265 schwarze 44: #include <time.h>
1.1 kristaps 45: #include <unistd.h>
46:
1.231 schwarze 47: #include "mandoc_aux.h"
1.71 kristaps 48: #include "mandoc.h"
1.294 schwarze 49: #include "mandoc_xr.h"
1.231 schwarze 50: #include "roff.h"
1.1 kristaps 51: #include "mdoc.h"
1.10 kristaps 52: #include "man.h"
1.311 schwarze 53: #include "mandoc_parse.h"
1.239 schwarze 54: #include "tag.h"
1.231 schwarze 55: #include "main.h"
1.229 schwarze 56: #include "manconf.h"
1.180 schwarze 57: #include "mansearch.h"
1.16 kristaps 58:
1.181 schwarze 59: enum outmode {
60: OUTMODE_DEF = 0,
61: OUTMODE_FLN,
62: OUTMODE_LST,
63: OUTMODE_ALL,
64: OUTMODE_ONE
65: };
66:
1.19 kristaps 67: enum outt {
1.154 kristaps 68: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 69: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 70: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 71: OUTT_TREE, /* -Ttree */
1.164 schwarze 72: OUTT_MAN, /* -Tman */
1.154 kristaps 73: OUTT_HTML, /* -Thtml */
1.285 schwarze 74: OUTT_MARKDOWN, /* -Tmarkdown */
1.154 kristaps 75: OUTT_LINT, /* -Tlint */
76: OUTT_PS, /* -Tps */
77: OUTT_PDF /* -Tpdf */
1.19 kristaps 78: };
79:
1.5 kristaps 80: struct curparse {
1.154 kristaps 81: struct mparse *mp;
1.293 schwarze 82: struct manoutput *outopts; /* output options */
83: void *outdata; /* data for output */
84: char *os_s; /* operating system for display */
1.148 kristaps 85: int wstop; /* stop after a file with a warning */
1.293 schwarze 86: enum mandoc_os os_e; /* check base system conventions */
1.173 schwarze 87: enum outt outtype; /* which output to use */
1.79 kristaps 88: };
1.270 schwarze 89:
90:
91: int mandocdb(int, char *[]);
1.79 kristaps 92:
1.312 schwarze 93: static void check_xr(void);
1.213 schwarze 94: static int fs_lookup(const struct manpaths *,
95: size_t ipath, const char *,
96: const char *, const char *,
97: struct manpage **, size_t *);
1.295 schwarze 98: static int fs_search(const struct mansearch *,
1.213 schwarze 99: const struct manpaths *, int, char**,
100: struct manpage **, size_t *);
1.194 schwarze 101: static int koptions(int *, char *);
1.286 schwarze 102: static void moptions(int *, char *);
1.276 schwarze 103: static void outdata_alloc(struct curparse *);
1.227 schwarze 104: static void parse(struct curparse *, int, const char *);
105: static void passthrough(const char *, int, int);
1.244 schwarze 106: static pid_t spawn_pager(struct tag_files *);
1.66 kristaps 107: static int toptions(struct curparse *, char *);
1.283 schwarze 108: static void usage(enum argmode) __attribute__((__noreturn__));
1.103 schwarze 109: static int woptions(struct curparse *, char *);
1.1 kristaps 110:
1.182 schwarze 111: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 112: static char help_arg[] = "help";
113: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 114:
1.173 schwarze 115:
1.1 kristaps 116: int
117: main(int argc, char *argv[])
118: {
1.229 schwarze 119: struct manconf conf;
1.282 schwarze 120: struct mansearch search;
1.5 kristaps 121: struct curparse curp;
1.304 schwarze 122: struct winsize ws;
1.244 schwarze 123: struct tag_files *tag_files;
1.282 schwarze 124: struct manpage *res, *resp;
125: const char *progname, *sec, *thisarg;
126: char *conf_file, *defpaths, *auxpaths;
1.316 schwarze 127: char *oarg, *tagarg;
1.207 schwarze 128: unsigned char *uc;
1.325 schwarze 129: size_t i, sz, ssz;
1.230 schwarze 130: int prio, best_prio;
1.181 schwarze 131: enum outmode outmode;
1.305 schwarze 132: int fd, startdir;
1.180 schwarze 133: int show_usage;
1.170 schwarze 134: int options;
1.244 schwarze 135: int use_pager;
1.259 schwarze 136: int status, signum;
1.180 schwarze 137: int c;
1.259 schwarze 138: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 139:
1.254 schwarze 140: #if HAVE_PROGNAME
141: progname = getprogname();
142: #else
1.219 schwarze 143: if (argc < 1)
1.254 schwarze 144: progname = mandoc_strdup("mandoc");
145: else if ((progname = strrchr(argv[0], '/')) == NULL)
146: progname = argv[0];
1.54 kristaps 147: else
1.254 schwarze 148: ++progname;
149: setprogname(progname);
1.247 schwarze 150: #endif
1.203 schwarze 151:
1.317 schwarze 152: mandoc_msg_setoutfile(stderr);
1.254 schwarze 153: if (strncmp(progname, "mandocdb", 8) == 0 ||
154: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 155: return mandocdb(argc, argv);
1.179 schwarze 156:
1.255 schwarze 157: #if HAVE_PLEDGE
1.284 schwarze 158: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.255 schwarze 159: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.269 kristaps 160: #endif
161:
162: #if HAVE_SANDBOX_INIT
163: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
164: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 165: #endif
166:
1.180 schwarze 167: /* Search options. */
168:
1.229 schwarze 169: memset(&conf, 0, sizeof(conf));
1.205 schwarze 170: conf_file = defpaths = NULL;
171: auxpaths = NULL;
1.180 schwarze 172:
173: memset(&search, 0, sizeof(struct mansearch));
174: search.outkey = "Nd";
1.282 schwarze 175: oarg = NULL;
1.180 schwarze 176:
1.254 schwarze 177: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 178: search.argmode = ARG_NAME;
1.254 schwarze 179: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 180: search.argmode = ARG_EXPR;
1.254 schwarze 181: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 182: search.argmode = ARG_WORD;
1.254 schwarze 183: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 184: search.argmode = ARG_NAME;
1.180 schwarze 185: else
186: search.argmode = ARG_FILE;
187:
188: /* Parser and formatter options. */
1.54 kristaps 189:
1.51 kristaps 190: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 191: curp.outtype = OUTT_LOCALE;
1.230 schwarze 192: curp.outopts = &conf.output;
1.194 schwarze 193: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.19 kristaps 194:
1.244 schwarze 195: use_pager = 1;
196: tag_files = NULL;
1.180 schwarze 197: show_usage = 0;
1.181 schwarze 198: outmode = OUTMODE_DEF;
1.183 schwarze 199:
1.289 schwarze 200: while ((c = getopt(argc, argv,
201: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
202: if (c == 'i' && search.argmode == ARG_EXPR) {
203: optind--;
204: break;
205: }
1.1 kristaps 206: switch (c) {
1.181 schwarze 207: case 'a':
208: outmode = OUTMODE_ALL;
209: break;
1.180 schwarze 210: case 'C':
211: conf_file = optarg;
212: break;
1.183 schwarze 213: case 'c':
1.244 schwarze 214: use_pager = 0;
1.183 schwarze 215: break;
1.180 schwarze 216: case 'f':
217: search.argmode = ARG_WORD;
218: break;
1.190 schwarze 219: case 'h':
1.230 schwarze 220: conf.output.synopsisonly = 1;
1.244 schwarze 221: use_pager = 0;
1.190 schwarze 222: outmode = OUTMODE_ALL;
223: break;
1.173 schwarze 224: case 'I':
1.166 schwarze 225: if (strncmp(optarg, "os=", 3)) {
1.247 schwarze 226: warnx("-I %s: Bad argument", optarg);
1.245 schwarze 227: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 228: }
1.293 schwarze 229: if (curp.os_s != NULL) {
1.247 schwarze 230: warnx("-I %s: Duplicate argument", optarg);
1.245 schwarze 231: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 232: }
1.293 schwarze 233: curp.os_s = mandoc_strdup(optarg + 3);
1.181 schwarze 234: break;
1.194 schwarze 235: case 'K':
236: if ( ! koptions(&options, optarg))
1.245 schwarze 237: return (int)MANDOCLEVEL_BADARG;
1.194 schwarze 238: break;
1.180 schwarze 239: case 'k':
240: search.argmode = ARG_EXPR;
241: break;
1.188 schwarze 242: case 'l':
243: search.argmode = ARG_FILE;
244: outmode = OUTMODE_ALL;
245: break;
1.180 schwarze 246: case 'M':
247: defpaths = optarg;
248: break;
1.173 schwarze 249: case 'm':
1.180 schwarze 250: auxpaths = optarg;
1.10 kristaps 251: break;
1.173 schwarze 252: case 'O':
1.282 schwarze 253: oarg = optarg;
1.44 kristaps 254: break;
1.180 schwarze 255: case 'S':
256: search.arch = optarg;
257: break;
258: case 's':
259: search.sec = optarg;
260: break;
1.173 schwarze 261: case 'T':
1.60 kristaps 262: if ( ! toptions(&curp, optarg))
1.245 schwarze 263: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 264: break;
1.173 schwarze 265: case 'W':
1.103 schwarze 266: if ( ! woptions(&curp, optarg))
1.245 schwarze 267: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 268: break;
1.181 schwarze 269: case 'w':
270: outmode = OUTMODE_FLN;
271: break;
1.1 kristaps 272: default:
1.180 schwarze 273: show_usage = 1;
274: break;
1.1 kristaps 275: }
1.180 schwarze 276: }
277:
278: if (show_usage)
279: usage(search.argmode);
280:
1.185 schwarze 281: /* Postprocess options. */
282:
1.181 schwarze 283: if (outmode == OUTMODE_DEF) {
284: switch (search.argmode) {
285: case ARG_FILE:
286: outmode = OUTMODE_ALL;
1.244 schwarze 287: use_pager = 0;
1.181 schwarze 288: break;
289: case ARG_NAME:
290: outmode = OUTMODE_ONE;
291: break;
292: default:
293: outmode = OUTMODE_LST;
294: break;
1.282 schwarze 295: }
296: }
297:
298: if (oarg != NULL) {
299: if (outmode == OUTMODE_LST)
300: search.outkey = oarg;
301: else {
302: while (oarg != NULL) {
303: if (manconf_output(&conf.output,
1.327 ! schwarze 304: strsep(&oarg, ","), 0) == -1)
! 305: return (int)MANDOCLEVEL_BADARG;
1.282 schwarze 306: }
1.181 schwarze 307: }
308: }
309:
1.315 schwarze 310: if (curp.outtype != OUTT_TREE || !curp.outopts->noval)
311: options |= MPARSE_VALIDATE;
312:
1.246 schwarze 313: if (outmode == OUTMODE_FLN ||
314: outmode == OUTMODE_LST ||
315: !isatty(STDOUT_FILENO))
316: use_pager = 0;
1.304 schwarze 317:
318: if (use_pager &&
319: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 320: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
321: ws.ws_col > 1) {
1.304 schwarze 322: if (conf.output.width == 0 && ws.ws_col < 79)
323: conf.output.width = ws.ws_col - 1;
324: if (conf.output.indent == 0 && ws.ws_col < 66)
325: conf.output.indent = 3;
326: }
1.246 schwarze 327:
1.255 schwarze 328: #if HAVE_PLEDGE
1.260 schwarze 329: if (!use_pager)
1.284 schwarze 330: if (pledge("stdio rpath", NULL) == -1)
1.260 schwarze 331: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.255 schwarze 332: #endif
333:
1.185 schwarze 334: /* Parse arguments. */
335:
1.219 schwarze 336: if (argc > 0) {
337: argc -= optind;
338: argv += optind;
339: }
1.186 schwarze 340: resp = NULL;
1.185 schwarze 341:
1.202 schwarze 342: /*
343: * Quirks for help(1)
344: * and for a man(1) section argument without -s.
345: */
346:
347: if (search.argmode == ARG_NAME) {
1.254 schwarze 348: if (*progname == 'h') {
1.202 schwarze 349: if (argc == 0) {
350: argv = help_argv;
351: argc = 1;
352: }
1.211 schwarze 353: } else if (argc > 1 &&
1.223 kristaps 354: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 355: ((isdigit(uc[0]) && (uc[1] == '\0' ||
1.324 schwarze 356: isalpha(uc[1]))) ||
1.207 schwarze 357: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 358: search.sec = (char *)uc;
1.202 schwarze 359: argv++;
360: argc--;
361: }
1.216 schwarze 362: if (search.arch == NULL)
363: search.arch = getenv("MACHINE");
1.223 kristaps 364: #ifdef MACHINE
1.216 schwarze 365: if (search.arch == NULL)
366: search.arch = MACHINE;
1.223 kristaps 367: #endif
1.185 schwarze 368: }
1.182 schwarze 369:
1.316 schwarze 370: /*
371: * Use the first argument for -O tag in addition to
372: * using it as a search term for man(1) or apropos(1).
373: */
374:
375: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
376: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
377: strchr(*argv, '=') : NULL;
378: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
379: }
380:
1.180 schwarze 381: /* man(1), whatis(1), apropos(1) */
382:
383: if (search.argmode != ARG_FILE) {
1.199 schwarze 384: if (search.argmode == ARG_NAME &&
385: outmode == OUTMODE_ONE)
386: search.firstmatch = 1;
1.182 schwarze 387:
388: /* Access the mandoc database. */
389:
1.229 schwarze 390: manconf_parse(&conf, conf_file, defpaths, auxpaths);
391: if ( ! mansearch(&search, &conf.manpath,
392: argc, argv, &res, &sz))
1.180 schwarze 393: usage(search.argmode);
1.213 schwarze 394:
1.305 schwarze 395: if (sz == 0 && search.argmode == ARG_NAME)
396: fs_search(&search, &conf.manpath,
397: argc, argv, &res, &sz);
398:
399: if (search.argmode == ARG_NAME) {
400: for (c = 0; c < argc; c++) {
401: if (strchr(argv[c], '/') == NULL)
402: continue;
403: if (access(argv[c], R_OK) == -1) {
404: warn("%s", argv[c]);
405: continue;
406: }
407: res = mandoc_reallocarray(res,
408: sz + 1, sizeof(*res));
409: res[sz].file = mandoc_strdup(argv[c]);
410: res[sz].names = NULL;
411: res[sz].output = NULL;
1.323 schwarze 412: res[sz].bits = 0;
1.305 schwarze 413: res[sz].ipath = SIZE_MAX;
414: res[sz].sec = 10;
415: res[sz].form = FORM_SRC;
416: sz++;
417: }
1.237 schwarze 418: }
1.187 schwarze 419:
420: if (sz == 0) {
1.305 schwarze 421: if (search.argmode != ARG_NAME)
422: warnx("nothing appropriate");
1.312 schwarze 423: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.187 schwarze 424: goto out;
425: }
1.182 schwarze 426:
427: /*
428: * For standard man(1) and -a output mode,
429: * prepare for copying filename pointers
430: * into the program parameter array.
431: */
432:
433: if (outmode == OUTMODE_ONE) {
434: argc = 1;
1.325 schwarze 435: best_prio = 40;
1.186 schwarze 436: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 437: argc = (int)sz;
438:
439: /* Iterate all matching manuals. */
440:
1.213 schwarze 441: resp = res;
1.181 schwarze 442: for (i = 0; i < sz; i++) {
443: if (outmode == OUTMODE_FLN)
444: puts(res[i].file);
1.182 schwarze 445: else if (outmode == OUTMODE_LST)
1.181 schwarze 446: printf("%s - %s\n", res[i].names,
447: res[i].output == NULL ? "" :
448: res[i].output);
1.186 schwarze 449: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 450: /* Search for the best section. */
1.264 schwarze 451: sec = res[i].file;
452: sec += strcspn(sec, "123456789");
453: if (sec[0] == '\0')
1.325 schwarze 454: continue; /* No section at all. */
1.264 schwarze 455: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 456: if (search.sec != NULL) {
457: ssz = strlen(search.sec);
458: if (strncmp(sec, search.sec, ssz) == 0)
459: sec += ssz;
460: } else
461: sec++; /* Prefer without suffix. */
462: if (*sec != '/')
463: prio += 10; /* Wrong dir name. */
464: if (search.sec != NULL &&
465: (strlen(sec) <= ssz + 3 ||
466: strcmp(sec + strlen(sec) - ssz,
467: search.sec) != 0))
468: prio += 20; /* Wrong file ext. */
1.182 schwarze 469: if (prio >= best_prio)
470: continue;
471: best_prio = prio;
1.186 schwarze 472: resp = res + i;
1.182 schwarze 473: }
1.181 schwarze 474: }
1.182 schwarze 475:
476: /*
477: * For man(1), -a and -i output mode, fall through
478: * to the main mandoc(1) code iterating files
479: * and running the parsers on each of them.
480: */
481:
482: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
483: goto out;
1.180 schwarze 484: }
485:
486: /* mandoc(1) */
487:
1.255 schwarze 488: #if HAVE_PLEDGE
1.260 schwarze 489: if (use_pager) {
490: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
491: err((int)MANDOCLEVEL_SYSERR, "pledge");
492: } else {
493: if (pledge("stdio rpath", NULL) == -1)
494: err((int)MANDOCLEVEL_SYSERR, "pledge");
495: }
1.255 schwarze 496: #endif
497:
1.286 schwarze 498: if (search.argmode == ARG_FILE)
499: moptions(&options, auxpaths);
1.241 schwarze 500:
1.249 schwarze 501: mchars_alloc();
1.312 schwarze 502: curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);
1.154 kristaps 503:
1.219 schwarze 504: if (argc < 1) {
1.316 schwarze 505: if (use_pager) {
1.244 schwarze 506: tag_files = tag_init();
1.316 schwarze 507: tag_files->tagname = conf.output.tag;
508: }
1.312 schwarze 509: thisarg = "<stdin>";
510: mandoc_msg_setinfilename(thisarg);
511: parse(&curp, STDIN_FILENO, thisarg);
512: mandoc_msg_setinfilename(NULL);
1.212 schwarze 513: }
1.64 kristaps 514:
1.305 schwarze 515: /*
516: * Remember the original working directory, if possible.
517: * This will be needed if some names on the command line
518: * are page names and some are relative file names.
519: * Do not error out if the current directory is not
520: * readable: Maybe it won't be needed after all.
521: */
522: startdir = open(".", O_RDONLY | O_DIRECTORY);
523:
1.219 schwarze 524: while (argc > 0) {
1.305 schwarze 525:
526: /*
527: * Changing directories is not needed in ARG_FILE mode.
528: * Do it on a best-effort basis. Even in case of
529: * failure, some functionality may still work.
530: */
531: if (resp != NULL) {
532: if (resp->ipath != SIZE_MAX)
533: (void)chdir(conf.manpath.paths[resp->ipath]);
534: else if (startdir != -1)
535: (void)fchdir(startdir);
1.312 schwarze 536: thisarg = resp->file;
537: } else
538: thisarg = *argv;
1.305 schwarze 539:
1.312 schwarze 540: fd = mparse_open(curp.mp, thisarg);
1.212 schwarze 541: if (fd != -1) {
1.244 schwarze 542: if (use_pager) {
1.309 schwarze 543: use_pager = 0;
1.244 schwarze 544: tag_files = tag_init();
1.316 schwarze 545: tag_files->tagname = conf.output.tag;
1.244 schwarze 546: }
1.212 schwarze 547:
1.314 schwarze 548: mandoc_msg_setinfilename(thisarg);
1.312 schwarze 549: if (resp == NULL || resp->form == FORM_SRC)
550: parse(&curp, fd, thisarg);
1.305 schwarze 551: else
1.230 schwarze 552: passthrough(resp->file, fd,
553: conf.output.synopsisonly);
1.314 schwarze 554: mandoc_msg_setinfilename(NULL);
1.302 schwarze 555:
556: if (ferror(stdout)) {
557: if (tag_files != NULL) {
558: warn("%s", tag_files->ofn);
559: tag_unlink();
560: tag_files = NULL;
561: } else
562: warn("stdout");
1.312 schwarze 563: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.302 schwarze 564: break;
565: }
1.212 schwarze 566:
1.276 schwarze 567: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
568: if (curp.outdata == NULL)
569: outdata_alloc(&curp);
1.267 schwarze 570: terminal_sepline(curp.outdata);
1.276 schwarze 571: }
1.314 schwarze 572: } else
573: mandoc_msg(MANDOCERR_FILE, 0, 0,
1.318 schwarze 574: "%s: %s", thisarg, strerror(errno));
1.192 schwarze 575:
1.312 schwarze 576: if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 577: break;
1.210 schwarze 578:
1.212 schwarze 579: if (resp != NULL)
580: resp++;
581: else
582: argv++;
583: if (--argc)
584: mparse_reset(curp.mp);
1.1 kristaps 585: }
1.305 schwarze 586: if (startdir != -1) {
587: (void)fchdir(startdir);
588: close(startdir);
589: }
1.1 kristaps 590:
1.252 schwarze 591: if (curp.outdata != NULL) {
592: switch (curp.outtype) {
593: case OUTT_HTML:
594: html_free(curp.outdata);
595: break;
596: case OUTT_UTF8:
597: case OUTT_LOCALE:
598: case OUTT_ASCII:
599: ascii_free(curp.outdata);
600: break;
601: case OUTT_PDF:
602: case OUTT_PS:
603: pspdf_free(curp.outdata);
604: break;
605: default:
606: break;
607: }
1.250 schwarze 608: }
1.294 schwarze 609: mandoc_xr_free();
1.195 schwarze 610: mparse_free(curp.mp);
1.249 schwarze 611: mchars_free();
1.182 schwarze 612:
613: out:
614: if (search.argmode != ARG_FILE) {
1.229 schwarze 615: manconf_free(&conf);
1.182 schwarze 616: mansearch_free(res, sz);
617: }
618:
1.293 schwarze 619: free(curp.os_s);
1.1 kristaps 620:
1.224 schwarze 621: /*
1.244 schwarze 622: * When using a pager, finish writing both temporary files,
623: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 624: */
625:
1.244 schwarze 626: if (tag_files != NULL) {
1.225 schwarze 627: fclose(stdout);
1.239 schwarze 628: tag_write();
1.259 schwarze 629: man_pgid = getpgid(0);
630: tag_files->tcpgid = man_pgid == getpid() ?
631: getpgid(getppid()) : man_pgid;
632: pager_pid = 0;
633: signum = SIGSTOP;
1.258 schwarze 634: for (;;) {
1.259 schwarze 635:
636: /* Stop here until moved to the foreground. */
637:
1.279 schwarze 638: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 639: if (tc_pgid != man_pgid) {
640: if (tc_pgid == pager_pid) {
1.279 schwarze 641: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 642: man_pgid);
643: if (signum == SIGTTIN)
644: continue;
645: } else
646: tag_files->tcpgid = tc_pgid;
647: kill(0, signum);
648: continue;
649: }
650:
651: /* Once in the foreground, activate the pager. */
652:
653: if (pager_pid) {
1.279 schwarze 654: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 655: kill(pager_pid, SIGCONT);
656: } else
657: pager_pid = spawn_pager(tag_files);
658:
659: /* Wait for the pager to stop or exit. */
660:
661: while ((pid = waitpid(pager_pid, &status,
662: WUNTRACED)) == -1 && errno == EINTR)
663: continue;
664:
665: if (pid == -1) {
1.258 schwarze 666: warn("wait");
1.312 schwarze 667: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.258 schwarze 668: break;
669: }
670: if (!WIFSTOPPED(status))
671: break;
672:
1.259 schwarze 673: signum = WSTOPSIG(status);
1.258 schwarze 674: }
1.239 schwarze 675: tag_unlink();
1.225 schwarze 676: }
1.312 schwarze 677: return (int)mandoc_msg_getrc();
1.1 kristaps 678: }
679:
1.55 kristaps 680: static void
1.180 schwarze 681: usage(enum argmode argmode)
1.1 kristaps 682: {
683:
1.180 schwarze 684: switch (argmode) {
685: case ARG_FILE:
1.287 schwarze 686: fputs("usage: mandoc [-ac] [-I os=name] "
687: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 688: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 689: break;
690: case ARG_NAME:
1.287 schwarze 691: fputs("usage: man [-acfhklw] [-C file] [-M path] "
692: "[-m path] [-S subsection]\n"
693: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 694: break;
695: case ARG_WORD:
1.287 schwarze 696: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 697: "[-M path] [-m path] [-O outkey] [-S arch]\n"
698: "\t [-s section] name ...\n", stderr);
1.180 schwarze 699: break;
700: case ARG_EXPR:
1.287 schwarze 701: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 702: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 703: "\t [-s section] expression ...\n", stderr);
704: break;
705: }
1.105 kristaps 706: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 707: }
1.213 schwarze 708:
709: static int
710: fs_lookup(const struct manpaths *paths, size_t ipath,
711: const char *sec, const char *arch, const char *name,
712: struct manpage **res, size_t *ressz)
713: {
1.326 schwarze 714: struct stat sb;
1.222 schwarze 715: glob_t globinfo;
1.213 schwarze 716: struct manpage *page;
717: char *file;
1.274 schwarze 718: int globres;
719: enum form form;
1.213 schwarze 720:
1.222 schwarze 721: form = FORM_SRC;
1.213 schwarze 722: mandoc_asprintf(&file, "%s/man%s/%s.%s",
723: paths->paths[ipath], sec, name, sec);
1.326 schwarze 724: if (stat(file, &sb) != -1)
1.213 schwarze 725: goto found;
726: free(file);
727:
728: mandoc_asprintf(&file, "%s/cat%s/%s.0",
729: paths->paths[ipath], sec, name);
1.326 schwarze 730: if (stat(file, &sb) != -1) {
1.213 schwarze 731: form = FORM_CAT;
732: goto found;
733: }
734: free(file);
735:
736: if (arch != NULL) {
737: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
738: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 739: if (stat(file, &sb) != -1)
1.213 schwarze 740: goto found;
741: free(file);
742: }
1.222 schwarze 743:
1.240 schwarze 744: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 745: paths->paths[ipath], sec, name);
746: globres = glob(file, 0, NULL, &globinfo);
747: if (globres != 0 && globres != GLOB_NOMATCH)
1.247 schwarze 748: warn("%s: glob", file);
1.222 schwarze 749: free(file);
750: if (globres == 0)
751: file = mandoc_strdup(*globinfo.gl_pathv);
752: globfree(&globinfo);
1.326 schwarze 753: if (globres == 0) {
754: if (stat(file, &sb) != -1)
755: goto found;
756: free(file);
757: }
1.296 schwarze 758: if (res != NULL || ipath + 1 != paths->sz)
1.245 schwarze 759: return 0;
1.213 schwarze 760:
1.296 schwarze 761: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 762: globres = stat(file, &sb);
1.296 schwarze 763: free(file);
764: return globres != -1;
765:
1.213 schwarze 766: found:
1.266 schwarze 767: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
768: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 769: if (res == NULL) {
770: free(file);
1.295 schwarze 771: return 1;
1.296 schwarze 772: }
1.213 schwarze 773: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
774: page = *res + (*ressz - 1);
775: page->file = file;
776: page->names = NULL;
777: page->output = NULL;
1.323 schwarze 778: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 779: page->ipath = ipath;
780: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
781: page->form = form;
1.245 schwarze 782: return 1;
1.213 schwarze 783: }
784:
1.295 schwarze 785: static int
1.213 schwarze 786: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
787: int argc, char **argv, struct manpage **res, size_t *ressz)
788: {
789: const char *const sections[] =
1.264 schwarze 790: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 791: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
792:
793: size_t ipath, isec, lastsz;
794:
795: assert(cfg->argmode == ARG_NAME);
796:
1.295 schwarze 797: if (res != NULL)
798: *res = NULL;
1.213 schwarze 799: *ressz = lastsz = 0;
800: while (argc) {
801: for (ipath = 0; ipath < paths->sz; ipath++) {
802: if (cfg->sec != NULL) {
803: if (fs_lookup(paths, ipath, cfg->sec,
804: cfg->arch, *argv, res, ressz) &&
805: cfg->firstmatch)
1.295 schwarze 806: return 1;
1.213 schwarze 807: } else for (isec = 0; isec < nsec; isec++)
808: if (fs_lookup(paths, ipath, sections[isec],
809: cfg->arch, *argv, res, ressz) &&
810: cfg->firstmatch)
1.295 schwarze 811: return 1;
1.213 schwarze 812: }
1.305 schwarze 813: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 814: strchr(*argv, '/') == NULL) {
1.320 schwarze 815: if (cfg->arch != NULL &&
816: arch_valid(cfg->arch, OSENUM) == 0)
817: warnx("Unknown architecture \"%s\".",
818: cfg->arch);
819: else if (cfg->sec == NULL)
1.307 schwarze 820: warnx("No entry for %s in the manual.",
821: *argv);
822: else
823: warnx("No entry for %s in section %s "
824: "of the manual.", *argv, cfg->sec);
825: }
1.213 schwarze 826: lastsz = *ressz;
827: argv++;
828: argc--;
829: }
1.295 schwarze 830: return 0;
1.213 schwarze 831: }
1.68 joerg 832:
1.64 kristaps 833: static void
1.227 schwarze 834: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 835: {
1.315 schwarze 836: struct roff_meta *meta;
1.112 kristaps 837:
1.154 kristaps 838: /* Begin by parsing the file itself. */
1.112 kristaps 839:
1.154 kristaps 840: assert(file);
1.263 schwarze 841: assert(fd >= 0);
1.112 kristaps 842:
1.312 schwarze 843: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 844: if (fd != STDIN_FILENO)
845: close(fd);
1.112 kristaps 846:
1.1 kristaps 847: /*
1.154 kristaps 848: * With -Wstop and warnings or errors of at least the requested
849: * level, do not produce output.
1.1 kristaps 850: */
851:
1.312 schwarze 852: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 853: return;
1.111 kristaps 854:
1.276 schwarze 855: if (curp->outdata == NULL)
856: outdata_alloc(curp);
1.319 schwarze 857: else if (curp->outtype == OUTT_HTML)
858: html_reset(curp);
1.111 kristaps 859:
1.315 schwarze 860: mandoc_xr_reset();
861: meta = mparse_result(curp->mp);
1.250 schwarze 862:
863: /* Execute the out device, if it exists. */
864:
1.315 schwarze 865: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 866: switch (curp->outtype) {
1.173 schwarze 867: case OUTT_HTML:
1.315 schwarze 868: html_mdoc(curp->outdata, meta);
1.111 kristaps 869: break;
1.173 schwarze 870: case OUTT_TREE:
1.315 schwarze 871: tree_mdoc(curp->outdata, meta);
1.111 kristaps 872: break;
1.173 schwarze 873: case OUTT_MAN:
1.315 schwarze 874: man_mdoc(curp->outdata, meta);
1.164 schwarze 875: break;
1.173 schwarze 876: case OUTT_PDF:
877: case OUTT_ASCII:
878: case OUTT_UTF8:
879: case OUTT_LOCALE:
880: case OUTT_PS:
1.315 schwarze 881: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 882: break;
1.285 schwarze 883: case OUTT_MARKDOWN:
1.315 schwarze 884: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 885: break;
1.250 schwarze 886: default:
887: break;
888: }
889: }
1.315 schwarze 890: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 891: switch (curp->outtype) {
892: case OUTT_HTML:
1.315 schwarze 893: html_man(curp->outdata, meta);
1.250 schwarze 894: break;
895: case OUTT_TREE:
1.315 schwarze 896: tree_man(curp->outdata, meta);
1.250 schwarze 897: break;
898: case OUTT_MAN:
1.308 schwarze 899: mparse_copy(curp->mp);
1.250 schwarze 900: break;
901: case OUTT_PDF:
902: case OUTT_ASCII:
903: case OUTT_UTF8:
904: case OUTT_LOCALE:
905: case OUTT_PS:
1.315 schwarze 906: terminal_man(curp->outdata, meta);
1.111 kristaps 907: break;
908: default:
909: break;
910: }
1.276 schwarze 911: }
1.312 schwarze 912: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
913: check_xr();
1.294 schwarze 914: }
915:
916: static void
1.312 schwarze 917: check_xr(void)
1.294 schwarze 918: {
919: static struct manpaths paths;
920: struct mansearch search;
921: struct mandoc_xr *xr;
922: size_t sz;
923:
924: if (paths.sz == 0)
925: manpath_base(&paths);
926:
927: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 928: if (xr->line == -1)
929: continue;
1.294 schwarze 930: search.arch = NULL;
931: search.sec = xr->sec;
932: search.outkey = NULL;
933: search.argmode = ARG_NAME;
934: search.firstmatch = 1;
935: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 936: continue;
937: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.294 schwarze 938: continue;
1.298 schwarze 939: if (xr->count == 1)
1.313 schwarze 940: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
941: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 942: else
1.313 schwarze 943: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
944: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 945: xr->name, xr->sec, xr->count);
1.294 schwarze 946: }
1.276 schwarze 947: }
948:
949: static void
950: outdata_alloc(struct curparse *curp)
951: {
952: switch (curp->outtype) {
953: case OUTT_HTML:
954: curp->outdata = html_alloc(curp->outopts);
955: break;
956: case OUTT_UTF8:
957: curp->outdata = utf8_alloc(curp->outopts);
958: break;
959: case OUTT_LOCALE:
960: curp->outdata = locale_alloc(curp->outopts);
961: break;
962: case OUTT_ASCII:
963: curp->outdata = ascii_alloc(curp->outopts);
964: break;
965: case OUTT_PDF:
966: curp->outdata = pdf_alloc(curp->outopts);
967: break;
968: case OUTT_PS:
969: curp->outdata = ps_alloc(curp->outopts);
970: break;
971: default:
972: break;
1.111 kristaps 973: }
1.186 schwarze 974: }
975:
1.227 schwarze 976: static void
1.197 schwarze 977: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 978: {
1.197 schwarze 979: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
980: const char synr[] = "SYNOPSIS";
981:
982: FILE *stream;
1.186 schwarze 983: const char *syscall;
1.257 schwarze 984: char *line, *cp;
985: size_t linesz;
1.277 schwarze 986: ssize_t len, written;
1.197 schwarze 987: int print;
1.210 schwarze 988:
1.257 schwarze 989: line = NULL;
990: linesz = 0;
1.197 schwarze 991:
1.277 schwarze 992: if (fflush(stdout) == EOF) {
993: syscall = "fflush";
994: goto fail;
995: }
996:
1.197 schwarze 997: if ((stream = fdopen(fd, "r")) == NULL) {
998: close(fd);
999: syscall = "fdopen";
1000: goto fail;
1001: }
1.186 schwarze 1002:
1.197 schwarze 1003: print = 0;
1.277 schwarze 1004: while ((len = getline(&line, &linesz, stream)) != -1) {
1.257 schwarze 1005: cp = line;
1.197 schwarze 1006: if (synopsis_only) {
1007: if (print) {
1.257 schwarze 1008: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1009: goto done;
1.277 schwarze 1010: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1011: cp++;
1.277 schwarze 1012: len--;
1013: }
1.197 schwarze 1014: } else {
1.257 schwarze 1015: if (strcmp(cp, synb) == 0 ||
1016: strcmp(cp, synr) == 0)
1.197 schwarze 1017: print = 1;
1018: continue;
1019: }
1020: }
1.277 schwarze 1021: for (; len > 0; len -= written) {
1022: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
1023: continue;
1.257 schwarze 1024: fclose(stream);
1.277 schwarze 1025: syscall = "write";
1.257 schwarze 1026: goto fail;
1027: }
1.197 schwarze 1028: }
1.186 schwarze 1029:
1.197 schwarze 1030: if (ferror(stream)) {
1031: fclose(stream);
1.257 schwarze 1032: syscall = "getline";
1.197 schwarze 1033: goto fail;
1034: }
1.193 schwarze 1035:
1.197 schwarze 1036: done:
1.257 schwarze 1037: free(line);
1.197 schwarze 1038: fclose(stream);
1.227 schwarze 1039: return;
1.186 schwarze 1040:
1041: fail:
1.257 schwarze 1042: free(line);
1.247 schwarze 1043: warn("%s: SYSERR: %s", file, syscall);
1.312 schwarze 1044: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.194 schwarze 1045: }
1046:
1047: static int
1048: koptions(int *options, char *arg)
1049: {
1050:
1051: if ( ! strcmp(arg, "utf-8")) {
1052: *options |= MPARSE_UTF8;
1053: *options &= ~MPARSE_LATIN1;
1054: } else if ( ! strcmp(arg, "iso-8859-1")) {
1055: *options |= MPARSE_LATIN1;
1056: *options &= ~MPARSE_UTF8;
1057: } else if ( ! strcmp(arg, "us-ascii")) {
1058: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
1059: } else {
1.247 schwarze 1060: warnx("-K %s: Bad argument", arg);
1.245 schwarze 1061: return 0;
1.194 schwarze 1062: }
1.245 schwarze 1063: return 1;
1.10 kristaps 1064: }
1065:
1.286 schwarze 1066: static void
1.170 schwarze 1067: moptions(int *options, char *arg)
1.10 kristaps 1068: {
1069:
1.180 schwarze 1070: if (arg == NULL)
1.286 schwarze 1071: return;
1072: if (strcmp(arg, "doc") == 0)
1.170 schwarze 1073: *options |= MPARSE_MDOC;
1.286 schwarze 1074: else if (strcmp(arg, "an") == 0)
1.170 schwarze 1075: *options |= MPARSE_MAN;
1.1 kristaps 1076: }
1077:
1078: static int
1.60 kristaps 1079: toptions(struct curparse *curp, char *arg)
1.1 kristaps 1080: {
1081:
1082: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 1083: curp->outtype = OUTT_ASCII;
1084: else if (0 == strcmp(arg, "lint")) {
1085: curp->outtype = OUTT_LINT;
1.312 schwarze 1086: mandoc_msg_setoutfile(stdout);
1087: mandoc_msg_setmin(MANDOCERR_BASE);
1.154 kristaps 1088: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 1089: curp->outtype = OUTT_TREE;
1.164 schwarze 1090: else if (0 == strcmp(arg, "man"))
1091: curp->outtype = OUTT_MAN;
1.43 kristaps 1092: else if (0 == strcmp(arg, "html"))
1.60 kristaps 1093: curp->outtype = OUTT_HTML;
1.285 schwarze 1094: else if (0 == strcmp(arg, "markdown"))
1095: curp->outtype = OUTT_MARKDOWN;
1.163 kristaps 1096: else if (0 == strcmp(arg, "utf8"))
1097: curp->outtype = OUTT_UTF8;
1.162 kristaps 1098: else if (0 == strcmp(arg, "locale"))
1099: curp->outtype = OUTT_LOCALE;
1.85 kristaps 1100: else if (0 == strcmp(arg, "ps"))
1101: curp->outtype = OUTT_PS;
1.100 kristaps 1102: else if (0 == strcmp(arg, "pdf"))
1103: curp->outtype = OUTT_PDF;
1.1 kristaps 1104: else {
1.247 schwarze 1105: warnx("-T %s: Bad argument", arg);
1.245 schwarze 1106: return 0;
1.1 kristaps 1107: }
1108:
1.245 schwarze 1109: return 1;
1.1 kristaps 1110: }
1111:
1112: static int
1.103 schwarze 1113: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1114: {
1.34 kristaps 1115: char *v, *o;
1.293 schwarze 1116: const char *toks[11];
1.1 kristaps 1117:
1.103 schwarze 1118: toks[0] = "stop";
1119: toks[1] = "all";
1.293 schwarze 1120: toks[2] = "base";
1121: toks[3] = "style";
1122: toks[4] = "warning";
1123: toks[5] = "error";
1124: toks[6] = "unsupp";
1125: toks[7] = "fatal";
1126: toks[8] = "openbsd";
1127: toks[9] = "netbsd";
1128: toks[10] = NULL;
1.1 kristaps 1129:
1.34 kristaps 1130: while (*arg) {
1131: o = arg;
1.272 schwarze 1132: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1133: case 0:
1.103 schwarze 1134: curp->wstop = 1;
1.1 kristaps 1135: break;
1.173 schwarze 1136: case 1:
1137: case 2:
1.312 schwarze 1138: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1139: break;
1140: case 3:
1.312 schwarze 1141: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1142: break;
1.290 schwarze 1143: case 4:
1.312 schwarze 1144: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1145: break;
1.290 schwarze 1146: case 5:
1.312 schwarze 1147: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1148: break;
1.290 schwarze 1149: case 6:
1.312 schwarze 1150: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1151: break;
1152: case 7:
1.312 schwarze 1153: mandoc_msg_setmin(MANDOCERR_MAX);
1.293 schwarze 1154: break;
1155: case 8:
1.312 schwarze 1156: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1157: curp->os_e = MANDOC_OS_OPENBSD;
1158: break;
1159: case 9:
1.312 schwarze 1160: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1161: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1162: break;
1.1 kristaps 1163: default:
1.247 schwarze 1164: warnx("-W %s: Bad argument", o);
1.245 schwarze 1165: return 0;
1.1 kristaps 1166: }
1.34 kristaps 1167: }
1.245 schwarze 1168: return 1;
1.183 schwarze 1169: }
1170:
1.225 schwarze 1171: static pid_t
1.244 schwarze 1172: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1173: {
1.265 schwarze 1174: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1175: #define MAX_PAGER_ARGS 16
1176: char *argv[MAX_PAGER_ARGS];
1177: const char *pager;
1178: char *cp;
1.322 schwarze 1179: #if HAVE_LESS_T
1.239 schwarze 1180: size_t cmdlen;
1.322 schwarze 1181: #endif
1.309 schwarze 1182: int argc, use_ofn;
1.225 schwarze 1183: pid_t pager_pid;
1.183 schwarze 1184:
1.239 schwarze 1185: pager = getenv("MANPAGER");
1186: if (pager == NULL || *pager == '\0')
1187: pager = getenv("PAGER");
1188: if (pager == NULL || *pager == '\0')
1189: pager = "more -s";
1190: cp = mandoc_strdup(pager);
1191:
1192: /*
1193: * Parse the pager command into words.
1194: * Intentionally do not do anything fancy here.
1195: */
1196:
1197: argc = 0;
1.309 schwarze 1198: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1199: argv[argc++] = cp;
1200: cp = strchr(cp, ' ');
1201: if (cp == NULL)
1202: break;
1203: *cp++ = '\0';
1204: while (*cp == ' ')
1205: cp++;
1206: if (*cp == '\0')
1207: break;
1208: }
1209:
1.268 schwarze 1210: /* For less(1), use the tag file. */
1.239 schwarze 1211:
1.309 schwarze 1212: use_ofn = 1;
1.322 schwarze 1213: #if HAVE_LESS_T
1.244 schwarze 1214: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1215: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1216: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1217: argv[argc++] = mandoc_strdup("-T");
1218: argv[argc++] = tag_files->tfn;
1.309 schwarze 1219: if (tag_files->tagname != NULL) {
1220: argv[argc++] = mandoc_strdup("-t");
1221: argv[argc++] = tag_files->tagname;
1222: use_ofn = 0;
1223: }
1.244 schwarze 1224: }
1.239 schwarze 1225: }
1.322 schwarze 1226: #endif
1.309 schwarze 1227: if (use_ofn)
1228: argv[argc++] = tag_files->ofn;
1.239 schwarze 1229: argv[argc] = NULL;
1230:
1.225 schwarze 1231: switch (pager_pid = fork()) {
1.183 schwarze 1232: case -1:
1.247 schwarze 1233: err((int)MANDOCLEVEL_SYSERR, "fork");
1.183 schwarze 1234: case 0:
1.224 schwarze 1235: break;
1236: default:
1.258 schwarze 1237: (void)setpgid(pager_pid, 0);
1.279 schwarze 1238: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1239: #if HAVE_PLEDGE
1.258 schwarze 1240: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.255 schwarze 1241: err((int)MANDOCLEVEL_SYSERR, "pledge");
1242: #endif
1.259 schwarze 1243: tag_files->pager_pid = pager_pid;
1.245 schwarze 1244: return pager_pid;
1.184 schwarze 1245: }
1246:
1.224 schwarze 1247: /* The child process becomes the pager. */
1.184 schwarze 1248:
1.247 schwarze 1249: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1250: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.244 schwarze 1251: close(tag_files->ofd);
1.303 schwarze 1252: assert(tag_files->tfd == -1);
1.265 schwarze 1253:
1254: /* Do not start the pager before controlling the terminal. */
1255:
1.279 schwarze 1256: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1257: nanosleep(&timeout, NULL);
1258:
1.184 schwarze 1259: execvp(argv[0], argv);
1.247 schwarze 1260: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.71 kristaps 1261: }
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