Annotation of mandoc/main.c, Revision 1.328
1.328 ! schwarze 1: /* $Id: main.c,v 1.327 2019/05/03 18:39:34 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();
1.328 ! schwarze 507: if (tag_files != NULL)
! 508: tag_files->tagname = conf.output.tag;
1.316 schwarze 509: }
1.312 schwarze 510: thisarg = "<stdin>";
511: mandoc_msg_setinfilename(thisarg);
512: parse(&curp, STDIN_FILENO, thisarg);
513: mandoc_msg_setinfilename(NULL);
1.212 schwarze 514: }
1.64 kristaps 515:
1.305 schwarze 516: /*
517: * Remember the original working directory, if possible.
518: * This will be needed if some names on the command line
519: * are page names and some are relative file names.
520: * Do not error out if the current directory is not
521: * readable: Maybe it won't be needed after all.
522: */
523: startdir = open(".", O_RDONLY | O_DIRECTORY);
524:
1.219 schwarze 525: while (argc > 0) {
1.305 schwarze 526:
527: /*
528: * Changing directories is not needed in ARG_FILE mode.
529: * Do it on a best-effort basis. Even in case of
530: * failure, some functionality may still work.
531: */
532: if (resp != NULL) {
533: if (resp->ipath != SIZE_MAX)
534: (void)chdir(conf.manpath.paths[resp->ipath]);
535: else if (startdir != -1)
536: (void)fchdir(startdir);
1.312 schwarze 537: thisarg = resp->file;
538: } else
539: thisarg = *argv;
1.305 schwarze 540:
1.312 schwarze 541: fd = mparse_open(curp.mp, thisarg);
1.212 schwarze 542: if (fd != -1) {
1.244 schwarze 543: if (use_pager) {
1.309 schwarze 544: use_pager = 0;
1.244 schwarze 545: tag_files = tag_init();
1.328 ! schwarze 546: if (tag_files != NULL)
! 547: tag_files->tagname = conf.output.tag;
1.244 schwarze 548: }
1.212 schwarze 549:
1.314 schwarze 550: mandoc_msg_setinfilename(thisarg);
1.312 schwarze 551: if (resp == NULL || resp->form == FORM_SRC)
552: parse(&curp, fd, thisarg);
1.305 schwarze 553: else
1.230 schwarze 554: passthrough(resp->file, fd,
555: conf.output.synopsisonly);
1.314 schwarze 556: mandoc_msg_setinfilename(NULL);
1.302 schwarze 557:
558: if (ferror(stdout)) {
559: if (tag_files != NULL) {
560: warn("%s", tag_files->ofn);
561: tag_unlink();
562: tag_files = NULL;
563: } else
564: warn("stdout");
1.312 schwarze 565: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.302 schwarze 566: break;
567: }
1.212 schwarze 568:
1.276 schwarze 569: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
570: if (curp.outdata == NULL)
571: outdata_alloc(&curp);
1.267 schwarze 572: terminal_sepline(curp.outdata);
1.276 schwarze 573: }
1.314 schwarze 574: } else
575: mandoc_msg(MANDOCERR_FILE, 0, 0,
1.318 schwarze 576: "%s: %s", thisarg, strerror(errno));
1.192 schwarze 577:
1.312 schwarze 578: if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 579: break;
1.210 schwarze 580:
1.212 schwarze 581: if (resp != NULL)
582: resp++;
583: else
584: argv++;
585: if (--argc)
586: mparse_reset(curp.mp);
1.1 kristaps 587: }
1.305 schwarze 588: if (startdir != -1) {
589: (void)fchdir(startdir);
590: close(startdir);
591: }
1.1 kristaps 592:
1.252 schwarze 593: if (curp.outdata != NULL) {
594: switch (curp.outtype) {
595: case OUTT_HTML:
596: html_free(curp.outdata);
597: break;
598: case OUTT_UTF8:
599: case OUTT_LOCALE:
600: case OUTT_ASCII:
601: ascii_free(curp.outdata);
602: break;
603: case OUTT_PDF:
604: case OUTT_PS:
605: pspdf_free(curp.outdata);
606: break;
607: default:
608: break;
609: }
1.250 schwarze 610: }
1.294 schwarze 611: mandoc_xr_free();
1.195 schwarze 612: mparse_free(curp.mp);
1.249 schwarze 613: mchars_free();
1.182 schwarze 614:
615: out:
616: if (search.argmode != ARG_FILE) {
1.229 schwarze 617: manconf_free(&conf);
1.182 schwarze 618: mansearch_free(res, sz);
619: }
620:
1.293 schwarze 621: free(curp.os_s);
1.1 kristaps 622:
1.224 schwarze 623: /*
1.244 schwarze 624: * When using a pager, finish writing both temporary files,
625: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 626: */
627:
1.244 schwarze 628: if (tag_files != NULL) {
1.225 schwarze 629: fclose(stdout);
1.239 schwarze 630: tag_write();
1.259 schwarze 631: man_pgid = getpgid(0);
632: tag_files->tcpgid = man_pgid == getpid() ?
633: getpgid(getppid()) : man_pgid;
634: pager_pid = 0;
635: signum = SIGSTOP;
1.258 schwarze 636: for (;;) {
1.259 schwarze 637:
638: /* Stop here until moved to the foreground. */
639:
1.279 schwarze 640: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 641: if (tc_pgid != man_pgid) {
642: if (tc_pgid == pager_pid) {
1.279 schwarze 643: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 644: man_pgid);
645: if (signum == SIGTTIN)
646: continue;
647: } else
648: tag_files->tcpgid = tc_pgid;
649: kill(0, signum);
650: continue;
651: }
652:
653: /* Once in the foreground, activate the pager. */
654:
655: if (pager_pid) {
1.279 schwarze 656: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 657: kill(pager_pid, SIGCONT);
658: } else
659: pager_pid = spawn_pager(tag_files);
660:
661: /* Wait for the pager to stop or exit. */
662:
663: while ((pid = waitpid(pager_pid, &status,
664: WUNTRACED)) == -1 && errno == EINTR)
665: continue;
666:
667: if (pid == -1) {
1.258 schwarze 668: warn("wait");
1.312 schwarze 669: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.258 schwarze 670: break;
671: }
672: if (!WIFSTOPPED(status))
673: break;
674:
1.259 schwarze 675: signum = WSTOPSIG(status);
1.258 schwarze 676: }
1.239 schwarze 677: tag_unlink();
1.225 schwarze 678: }
1.312 schwarze 679: return (int)mandoc_msg_getrc();
1.1 kristaps 680: }
681:
1.55 kristaps 682: static void
1.180 schwarze 683: usage(enum argmode argmode)
1.1 kristaps 684: {
685:
1.180 schwarze 686: switch (argmode) {
687: case ARG_FILE:
1.287 schwarze 688: fputs("usage: mandoc [-ac] [-I os=name] "
689: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 690: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 691: break;
692: case ARG_NAME:
1.287 schwarze 693: fputs("usage: man [-acfhklw] [-C file] [-M path] "
694: "[-m path] [-S subsection]\n"
695: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 696: break;
697: case ARG_WORD:
1.287 schwarze 698: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 699: "[-M path] [-m path] [-O outkey] [-S arch]\n"
700: "\t [-s section] name ...\n", stderr);
1.180 schwarze 701: break;
702: case ARG_EXPR:
1.287 schwarze 703: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 704: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 705: "\t [-s section] expression ...\n", stderr);
706: break;
707: }
1.105 kristaps 708: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 709: }
1.213 schwarze 710:
711: static int
712: fs_lookup(const struct manpaths *paths, size_t ipath,
713: const char *sec, const char *arch, const char *name,
714: struct manpage **res, size_t *ressz)
715: {
1.326 schwarze 716: struct stat sb;
1.222 schwarze 717: glob_t globinfo;
1.213 schwarze 718: struct manpage *page;
719: char *file;
1.274 schwarze 720: int globres;
721: enum form form;
1.213 schwarze 722:
1.222 schwarze 723: form = FORM_SRC;
1.213 schwarze 724: mandoc_asprintf(&file, "%s/man%s/%s.%s",
725: paths->paths[ipath], sec, name, sec);
1.326 schwarze 726: if (stat(file, &sb) != -1)
1.213 schwarze 727: goto found;
728: free(file);
729:
730: mandoc_asprintf(&file, "%s/cat%s/%s.0",
731: paths->paths[ipath], sec, name);
1.326 schwarze 732: if (stat(file, &sb) != -1) {
1.213 schwarze 733: form = FORM_CAT;
734: goto found;
735: }
736: free(file);
737:
738: if (arch != NULL) {
739: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
740: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 741: if (stat(file, &sb) != -1)
1.213 schwarze 742: goto found;
743: free(file);
744: }
1.222 schwarze 745:
1.240 schwarze 746: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 747: paths->paths[ipath], sec, name);
748: globres = glob(file, 0, NULL, &globinfo);
749: if (globres != 0 && globres != GLOB_NOMATCH)
1.247 schwarze 750: warn("%s: glob", file);
1.222 schwarze 751: free(file);
752: if (globres == 0)
753: file = mandoc_strdup(*globinfo.gl_pathv);
754: globfree(&globinfo);
1.326 schwarze 755: if (globres == 0) {
756: if (stat(file, &sb) != -1)
757: goto found;
758: free(file);
759: }
1.296 schwarze 760: if (res != NULL || ipath + 1 != paths->sz)
1.245 schwarze 761: return 0;
1.213 schwarze 762:
1.296 schwarze 763: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 764: globres = stat(file, &sb);
1.296 schwarze 765: free(file);
766: return globres != -1;
767:
1.213 schwarze 768: found:
1.266 schwarze 769: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
770: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 771: if (res == NULL) {
772: free(file);
1.295 schwarze 773: return 1;
1.296 schwarze 774: }
1.213 schwarze 775: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
776: page = *res + (*ressz - 1);
777: page->file = file;
778: page->names = NULL;
779: page->output = NULL;
1.323 schwarze 780: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 781: page->ipath = ipath;
782: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
783: page->form = form;
1.245 schwarze 784: return 1;
1.213 schwarze 785: }
786:
1.295 schwarze 787: static int
1.213 schwarze 788: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
789: int argc, char **argv, struct manpage **res, size_t *ressz)
790: {
791: const char *const sections[] =
1.264 schwarze 792: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 793: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
794:
795: size_t ipath, isec, lastsz;
796:
797: assert(cfg->argmode == ARG_NAME);
798:
1.295 schwarze 799: if (res != NULL)
800: *res = NULL;
1.213 schwarze 801: *ressz = lastsz = 0;
802: while (argc) {
803: for (ipath = 0; ipath < paths->sz; ipath++) {
804: if (cfg->sec != NULL) {
805: if (fs_lookup(paths, ipath, cfg->sec,
806: cfg->arch, *argv, res, ressz) &&
807: cfg->firstmatch)
1.295 schwarze 808: return 1;
1.213 schwarze 809: } else for (isec = 0; isec < nsec; isec++)
810: if (fs_lookup(paths, ipath, sections[isec],
811: cfg->arch, *argv, res, ressz) &&
812: cfg->firstmatch)
1.295 schwarze 813: return 1;
1.213 schwarze 814: }
1.305 schwarze 815: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 816: strchr(*argv, '/') == NULL) {
1.320 schwarze 817: if (cfg->arch != NULL &&
818: arch_valid(cfg->arch, OSENUM) == 0)
819: warnx("Unknown architecture \"%s\".",
820: cfg->arch);
821: else if (cfg->sec == NULL)
1.307 schwarze 822: warnx("No entry for %s in the manual.",
823: *argv);
824: else
825: warnx("No entry for %s in section %s "
826: "of the manual.", *argv, cfg->sec);
827: }
1.213 schwarze 828: lastsz = *ressz;
829: argv++;
830: argc--;
831: }
1.295 schwarze 832: return 0;
1.213 schwarze 833: }
1.68 joerg 834:
1.64 kristaps 835: static void
1.227 schwarze 836: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 837: {
1.315 schwarze 838: struct roff_meta *meta;
1.112 kristaps 839:
1.154 kristaps 840: /* Begin by parsing the file itself. */
1.112 kristaps 841:
1.154 kristaps 842: assert(file);
1.263 schwarze 843: assert(fd >= 0);
1.112 kristaps 844:
1.312 schwarze 845: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 846: if (fd != STDIN_FILENO)
847: close(fd);
1.112 kristaps 848:
1.1 kristaps 849: /*
1.154 kristaps 850: * With -Wstop and warnings or errors of at least the requested
851: * level, do not produce output.
1.1 kristaps 852: */
853:
1.312 schwarze 854: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 855: return;
1.111 kristaps 856:
1.276 schwarze 857: if (curp->outdata == NULL)
858: outdata_alloc(curp);
1.319 schwarze 859: else if (curp->outtype == OUTT_HTML)
860: html_reset(curp);
1.111 kristaps 861:
1.315 schwarze 862: mandoc_xr_reset();
863: meta = mparse_result(curp->mp);
1.250 schwarze 864:
865: /* Execute the out device, if it exists. */
866:
1.315 schwarze 867: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 868: switch (curp->outtype) {
1.173 schwarze 869: case OUTT_HTML:
1.315 schwarze 870: html_mdoc(curp->outdata, meta);
1.111 kristaps 871: break;
1.173 schwarze 872: case OUTT_TREE:
1.315 schwarze 873: tree_mdoc(curp->outdata, meta);
1.111 kristaps 874: break;
1.173 schwarze 875: case OUTT_MAN:
1.315 schwarze 876: man_mdoc(curp->outdata, meta);
1.164 schwarze 877: break;
1.173 schwarze 878: case OUTT_PDF:
879: case OUTT_ASCII:
880: case OUTT_UTF8:
881: case OUTT_LOCALE:
882: case OUTT_PS:
1.315 schwarze 883: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 884: break;
1.285 schwarze 885: case OUTT_MARKDOWN:
1.315 schwarze 886: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 887: break;
1.250 schwarze 888: default:
889: break;
890: }
891: }
1.315 schwarze 892: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 893: switch (curp->outtype) {
894: case OUTT_HTML:
1.315 schwarze 895: html_man(curp->outdata, meta);
1.250 schwarze 896: break;
897: case OUTT_TREE:
1.315 schwarze 898: tree_man(curp->outdata, meta);
1.250 schwarze 899: break;
900: case OUTT_MAN:
1.308 schwarze 901: mparse_copy(curp->mp);
1.250 schwarze 902: break;
903: case OUTT_PDF:
904: case OUTT_ASCII:
905: case OUTT_UTF8:
906: case OUTT_LOCALE:
907: case OUTT_PS:
1.315 schwarze 908: terminal_man(curp->outdata, meta);
1.111 kristaps 909: break;
910: default:
911: break;
912: }
1.276 schwarze 913: }
1.312 schwarze 914: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
915: check_xr();
1.294 schwarze 916: }
917:
918: static void
1.312 schwarze 919: check_xr(void)
1.294 schwarze 920: {
921: static struct manpaths paths;
922: struct mansearch search;
923: struct mandoc_xr *xr;
924: size_t sz;
925:
926: if (paths.sz == 0)
927: manpath_base(&paths);
928:
929: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 930: if (xr->line == -1)
931: continue;
1.294 schwarze 932: search.arch = NULL;
933: search.sec = xr->sec;
934: search.outkey = NULL;
935: search.argmode = ARG_NAME;
936: search.firstmatch = 1;
937: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 938: continue;
939: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.294 schwarze 940: continue;
1.298 schwarze 941: if (xr->count == 1)
1.313 schwarze 942: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
943: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 944: else
1.313 schwarze 945: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
946: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 947: xr->name, xr->sec, xr->count);
1.294 schwarze 948: }
1.276 schwarze 949: }
950:
951: static void
952: outdata_alloc(struct curparse *curp)
953: {
954: switch (curp->outtype) {
955: case OUTT_HTML:
956: curp->outdata = html_alloc(curp->outopts);
957: break;
958: case OUTT_UTF8:
959: curp->outdata = utf8_alloc(curp->outopts);
960: break;
961: case OUTT_LOCALE:
962: curp->outdata = locale_alloc(curp->outopts);
963: break;
964: case OUTT_ASCII:
965: curp->outdata = ascii_alloc(curp->outopts);
966: break;
967: case OUTT_PDF:
968: curp->outdata = pdf_alloc(curp->outopts);
969: break;
970: case OUTT_PS:
971: curp->outdata = ps_alloc(curp->outopts);
972: break;
973: default:
974: break;
1.111 kristaps 975: }
1.186 schwarze 976: }
977:
1.227 schwarze 978: static void
1.197 schwarze 979: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 980: {
1.197 schwarze 981: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
982: const char synr[] = "SYNOPSIS";
983:
984: FILE *stream;
1.186 schwarze 985: const char *syscall;
1.257 schwarze 986: char *line, *cp;
987: size_t linesz;
1.277 schwarze 988: ssize_t len, written;
1.197 schwarze 989: int print;
1.210 schwarze 990:
1.257 schwarze 991: line = NULL;
992: linesz = 0;
1.197 schwarze 993:
1.277 schwarze 994: if (fflush(stdout) == EOF) {
995: syscall = "fflush";
996: goto fail;
997: }
998:
1.197 schwarze 999: if ((stream = fdopen(fd, "r")) == NULL) {
1000: close(fd);
1001: syscall = "fdopen";
1002: goto fail;
1003: }
1.186 schwarze 1004:
1.197 schwarze 1005: print = 0;
1.277 schwarze 1006: while ((len = getline(&line, &linesz, stream)) != -1) {
1.257 schwarze 1007: cp = line;
1.197 schwarze 1008: if (synopsis_only) {
1009: if (print) {
1.257 schwarze 1010: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1011: goto done;
1.277 schwarze 1012: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1013: cp++;
1.277 schwarze 1014: len--;
1015: }
1.197 schwarze 1016: } else {
1.257 schwarze 1017: if (strcmp(cp, synb) == 0 ||
1018: strcmp(cp, synr) == 0)
1.197 schwarze 1019: print = 1;
1020: continue;
1021: }
1022: }
1.277 schwarze 1023: for (; len > 0; len -= written) {
1024: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
1025: continue;
1.257 schwarze 1026: fclose(stream);
1.277 schwarze 1027: syscall = "write";
1.257 schwarze 1028: goto fail;
1029: }
1.197 schwarze 1030: }
1.186 schwarze 1031:
1.197 schwarze 1032: if (ferror(stream)) {
1033: fclose(stream);
1.257 schwarze 1034: syscall = "getline";
1.197 schwarze 1035: goto fail;
1036: }
1.193 schwarze 1037:
1.197 schwarze 1038: done:
1.257 schwarze 1039: free(line);
1.197 schwarze 1040: fclose(stream);
1.227 schwarze 1041: return;
1.186 schwarze 1042:
1043: fail:
1.257 schwarze 1044: free(line);
1.247 schwarze 1045: warn("%s: SYSERR: %s", file, syscall);
1.312 schwarze 1046: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.194 schwarze 1047: }
1048:
1049: static int
1050: koptions(int *options, char *arg)
1051: {
1052:
1053: if ( ! strcmp(arg, "utf-8")) {
1054: *options |= MPARSE_UTF8;
1055: *options &= ~MPARSE_LATIN1;
1056: } else if ( ! strcmp(arg, "iso-8859-1")) {
1057: *options |= MPARSE_LATIN1;
1058: *options &= ~MPARSE_UTF8;
1059: } else if ( ! strcmp(arg, "us-ascii")) {
1060: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
1061: } else {
1.247 schwarze 1062: warnx("-K %s: Bad argument", arg);
1.245 schwarze 1063: return 0;
1.194 schwarze 1064: }
1.245 schwarze 1065: return 1;
1.10 kristaps 1066: }
1067:
1.286 schwarze 1068: static void
1.170 schwarze 1069: moptions(int *options, char *arg)
1.10 kristaps 1070: {
1071:
1.180 schwarze 1072: if (arg == NULL)
1.286 schwarze 1073: return;
1074: if (strcmp(arg, "doc") == 0)
1.170 schwarze 1075: *options |= MPARSE_MDOC;
1.286 schwarze 1076: else if (strcmp(arg, "an") == 0)
1.170 schwarze 1077: *options |= MPARSE_MAN;
1.1 kristaps 1078: }
1079:
1080: static int
1.60 kristaps 1081: toptions(struct curparse *curp, char *arg)
1.1 kristaps 1082: {
1083:
1084: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 1085: curp->outtype = OUTT_ASCII;
1086: else if (0 == strcmp(arg, "lint")) {
1087: curp->outtype = OUTT_LINT;
1.312 schwarze 1088: mandoc_msg_setoutfile(stdout);
1089: mandoc_msg_setmin(MANDOCERR_BASE);
1.154 kristaps 1090: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 1091: curp->outtype = OUTT_TREE;
1.164 schwarze 1092: else if (0 == strcmp(arg, "man"))
1093: curp->outtype = OUTT_MAN;
1.43 kristaps 1094: else if (0 == strcmp(arg, "html"))
1.60 kristaps 1095: curp->outtype = OUTT_HTML;
1.285 schwarze 1096: else if (0 == strcmp(arg, "markdown"))
1097: curp->outtype = OUTT_MARKDOWN;
1.163 kristaps 1098: else if (0 == strcmp(arg, "utf8"))
1099: curp->outtype = OUTT_UTF8;
1.162 kristaps 1100: else if (0 == strcmp(arg, "locale"))
1101: curp->outtype = OUTT_LOCALE;
1.85 kristaps 1102: else if (0 == strcmp(arg, "ps"))
1103: curp->outtype = OUTT_PS;
1.100 kristaps 1104: else if (0 == strcmp(arg, "pdf"))
1105: curp->outtype = OUTT_PDF;
1.1 kristaps 1106: else {
1.247 schwarze 1107: warnx("-T %s: Bad argument", arg);
1.245 schwarze 1108: return 0;
1.1 kristaps 1109: }
1110:
1.245 schwarze 1111: return 1;
1.1 kristaps 1112: }
1113:
1114: static int
1.103 schwarze 1115: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1116: {
1.34 kristaps 1117: char *v, *o;
1.293 schwarze 1118: const char *toks[11];
1.1 kristaps 1119:
1.103 schwarze 1120: toks[0] = "stop";
1121: toks[1] = "all";
1.293 schwarze 1122: toks[2] = "base";
1123: toks[3] = "style";
1124: toks[4] = "warning";
1125: toks[5] = "error";
1126: toks[6] = "unsupp";
1127: toks[7] = "fatal";
1128: toks[8] = "openbsd";
1129: toks[9] = "netbsd";
1130: toks[10] = NULL;
1.1 kristaps 1131:
1.34 kristaps 1132: while (*arg) {
1133: o = arg;
1.272 schwarze 1134: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1135: case 0:
1.103 schwarze 1136: curp->wstop = 1;
1.1 kristaps 1137: break;
1.173 schwarze 1138: case 1:
1139: case 2:
1.312 schwarze 1140: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1141: break;
1142: case 3:
1.312 schwarze 1143: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1144: break;
1.290 schwarze 1145: case 4:
1.312 schwarze 1146: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1147: break;
1.290 schwarze 1148: case 5:
1.312 schwarze 1149: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1150: break;
1.290 schwarze 1151: case 6:
1.312 schwarze 1152: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1153: break;
1154: case 7:
1.312 schwarze 1155: mandoc_msg_setmin(MANDOCERR_MAX);
1.293 schwarze 1156: break;
1157: case 8:
1.312 schwarze 1158: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1159: curp->os_e = MANDOC_OS_OPENBSD;
1160: break;
1161: case 9:
1.312 schwarze 1162: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1163: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1164: break;
1.1 kristaps 1165: default:
1.247 schwarze 1166: warnx("-W %s: Bad argument", o);
1.245 schwarze 1167: return 0;
1.1 kristaps 1168: }
1.34 kristaps 1169: }
1.245 schwarze 1170: return 1;
1.183 schwarze 1171: }
1172:
1.225 schwarze 1173: static pid_t
1.244 schwarze 1174: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1175: {
1.265 schwarze 1176: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1177: #define MAX_PAGER_ARGS 16
1178: char *argv[MAX_PAGER_ARGS];
1179: const char *pager;
1180: char *cp;
1.322 schwarze 1181: #if HAVE_LESS_T
1.239 schwarze 1182: size_t cmdlen;
1.322 schwarze 1183: #endif
1.309 schwarze 1184: int argc, use_ofn;
1.225 schwarze 1185: pid_t pager_pid;
1.183 schwarze 1186:
1.239 schwarze 1187: pager = getenv("MANPAGER");
1188: if (pager == NULL || *pager == '\0')
1189: pager = getenv("PAGER");
1190: if (pager == NULL || *pager == '\0')
1191: pager = "more -s";
1192: cp = mandoc_strdup(pager);
1193:
1194: /*
1195: * Parse the pager command into words.
1196: * Intentionally do not do anything fancy here.
1197: */
1198:
1199: argc = 0;
1.309 schwarze 1200: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1201: argv[argc++] = cp;
1202: cp = strchr(cp, ' ');
1203: if (cp == NULL)
1204: break;
1205: *cp++ = '\0';
1206: while (*cp == ' ')
1207: cp++;
1208: if (*cp == '\0')
1209: break;
1210: }
1211:
1.268 schwarze 1212: /* For less(1), use the tag file. */
1.239 schwarze 1213:
1.309 schwarze 1214: use_ofn = 1;
1.322 schwarze 1215: #if HAVE_LESS_T
1.244 schwarze 1216: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1217: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1218: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1219: argv[argc++] = mandoc_strdup("-T");
1220: argv[argc++] = tag_files->tfn;
1.309 schwarze 1221: if (tag_files->tagname != NULL) {
1222: argv[argc++] = mandoc_strdup("-t");
1223: argv[argc++] = tag_files->tagname;
1224: use_ofn = 0;
1225: }
1.244 schwarze 1226: }
1.239 schwarze 1227: }
1.322 schwarze 1228: #endif
1.309 schwarze 1229: if (use_ofn)
1230: argv[argc++] = tag_files->ofn;
1.239 schwarze 1231: argv[argc] = NULL;
1232:
1.225 schwarze 1233: switch (pager_pid = fork()) {
1.183 schwarze 1234: case -1:
1.247 schwarze 1235: err((int)MANDOCLEVEL_SYSERR, "fork");
1.183 schwarze 1236: case 0:
1.224 schwarze 1237: break;
1238: default:
1.258 schwarze 1239: (void)setpgid(pager_pid, 0);
1.279 schwarze 1240: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1241: #if HAVE_PLEDGE
1.258 schwarze 1242: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.255 schwarze 1243: err((int)MANDOCLEVEL_SYSERR, "pledge");
1244: #endif
1.259 schwarze 1245: tag_files->pager_pid = pager_pid;
1.245 schwarze 1246: return pager_pid;
1.184 schwarze 1247: }
1248:
1.224 schwarze 1249: /* The child process becomes the pager. */
1.184 schwarze 1250:
1.247 schwarze 1251: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1252: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.244 schwarze 1253: close(tag_files->ofd);
1.303 schwarze 1254: assert(tag_files->tfd == -1);
1.265 schwarze 1255:
1256: /* Do not start the pager before controlling the terminal. */
1257:
1.279 schwarze 1258: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1259: nanosleep(&timeout, NULL);
1260:
1.184 schwarze 1261: execvp(argv[0], argv);
1.247 schwarze 1262: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.71 kristaps 1263: }
CVSweb