Annotation of mandoc/main.c, Revision 1.320
1.320 ! schwarze 1: /* $Id: main.c,v 1.319 2019/03/03 13:02:11 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 */
1.304 schwarze 24: #include <sys/termios.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>
1.265 schwarze 43: #include <time.h>
1.1 kristaps 44: #include <unistd.h>
45:
1.231 schwarze 46: #include "mandoc_aux.h"
1.71 kristaps 47: #include "mandoc.h"
1.294 schwarze 48: #include "mandoc_xr.h"
1.231 schwarze 49: #include "roff.h"
1.1 kristaps 50: #include "mdoc.h"
1.10 kristaps 51: #include "man.h"
1.311 schwarze 52: #include "mandoc_parse.h"
1.239 schwarze 53: #include "tag.h"
1.231 schwarze 54: #include "main.h"
1.229 schwarze 55: #include "manconf.h"
1.180 schwarze 56: #include "mansearch.h"
1.16 kristaps 57:
1.181 schwarze 58: enum outmode {
59: OUTMODE_DEF = 0,
60: OUTMODE_FLN,
61: OUTMODE_LST,
62: OUTMODE_ALL,
63: OUTMODE_ONE
64: };
65:
1.19 kristaps 66: enum outt {
1.154 kristaps 67: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 68: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 69: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 70: OUTT_TREE, /* -Ttree */
1.164 schwarze 71: OUTT_MAN, /* -Tman */
1.154 kristaps 72: OUTT_HTML, /* -Thtml */
1.285 schwarze 73: OUTT_MARKDOWN, /* -Tmarkdown */
1.154 kristaps 74: OUTT_LINT, /* -Tlint */
75: OUTT_PS, /* -Tps */
76: OUTT_PDF /* -Tpdf */
1.19 kristaps 77: };
78:
1.5 kristaps 79: struct curparse {
1.154 kristaps 80: struct mparse *mp;
1.293 schwarze 81: struct manoutput *outopts; /* output options */
82: void *outdata; /* data for output */
83: char *os_s; /* operating system for display */
1.148 kristaps 84: int wstop; /* stop after a file with a warning */
1.293 schwarze 85: enum mandoc_os os_e; /* check base system conventions */
1.173 schwarze 86: enum outt outtype; /* which output to use */
1.79 kristaps 87: };
1.270 schwarze 88:
89:
90: int mandocdb(int, char *[]);
1.79 kristaps 91:
1.312 schwarze 92: static void check_xr(void);
1.213 schwarze 93: static int fs_lookup(const struct manpaths *,
94: size_t ipath, const char *,
95: const char *, const char *,
96: struct manpage **, size_t *);
1.295 schwarze 97: static int fs_search(const struct mansearch *,
1.213 schwarze 98: const struct manpaths *, int, char**,
99: struct manpage **, size_t *);
1.194 schwarze 100: static int koptions(int *, char *);
1.286 schwarze 101: static void moptions(int *, char *);
1.276 schwarze 102: static void outdata_alloc(struct curparse *);
1.227 schwarze 103: static void parse(struct curparse *, int, const char *);
104: static void passthrough(const char *, int, int);
1.244 schwarze 105: static pid_t spawn_pager(struct tag_files *);
1.66 kristaps 106: static int toptions(struct curparse *, char *);
1.283 schwarze 107: static void usage(enum argmode) __attribute__((__noreturn__));
1.103 schwarze 108: static int woptions(struct curparse *, char *);
1.1 kristaps 109:
1.182 schwarze 110: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 111: static char help_arg[] = "help";
112: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 113:
1.173 schwarze 114:
1.1 kristaps 115: int
116: main(int argc, char *argv[])
117: {
1.229 schwarze 118: struct manconf conf;
1.282 schwarze 119: struct mansearch search;
1.5 kristaps 120: struct curparse curp;
1.304 schwarze 121: struct winsize ws;
1.244 schwarze 122: struct tag_files *tag_files;
1.282 schwarze 123: struct manpage *res, *resp;
124: const char *progname, *sec, *thisarg;
125: char *conf_file, *defpaths, *auxpaths;
1.316 schwarze 126: char *oarg, *tagarg;
1.207 schwarze 127: unsigned char *uc;
1.264 schwarze 128: size_t i, sz;
1.230 schwarze 129: int prio, best_prio;
1.181 schwarze 130: enum outmode outmode;
1.305 schwarze 131: int fd, startdir;
1.180 schwarze 132: int show_usage;
1.170 schwarze 133: int options;
1.244 schwarze 134: int use_pager;
1.259 schwarze 135: int status, signum;
1.180 schwarze 136: int c;
1.259 schwarze 137: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 138:
1.254 schwarze 139: #if HAVE_PROGNAME
140: progname = getprogname();
141: #else
1.219 schwarze 142: if (argc < 1)
1.254 schwarze 143: progname = mandoc_strdup("mandoc");
144: else if ((progname = strrchr(argv[0], '/')) == NULL)
145: progname = argv[0];
1.54 kristaps 146: else
1.254 schwarze 147: ++progname;
148: setprogname(progname);
1.247 schwarze 149: #endif
1.203 schwarze 150:
1.317 schwarze 151: mandoc_msg_setoutfile(stderr);
1.254 schwarze 152: if (strncmp(progname, "mandocdb", 8) == 0 ||
153: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 154: return mandocdb(argc, argv);
1.179 schwarze 155:
1.255 schwarze 156: #if HAVE_PLEDGE
1.284 schwarze 157: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.255 schwarze 158: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.269 kristaps 159: #endif
160:
161: #if HAVE_SANDBOX_INIT
162: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
163: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 164: #endif
165:
1.180 schwarze 166: /* Search options. */
167:
1.229 schwarze 168: memset(&conf, 0, sizeof(conf));
1.205 schwarze 169: conf_file = defpaths = NULL;
170: auxpaths = NULL;
1.180 schwarze 171:
172: memset(&search, 0, sizeof(struct mansearch));
173: search.outkey = "Nd";
1.282 schwarze 174: oarg = NULL;
1.180 schwarze 175:
1.254 schwarze 176: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 177: search.argmode = ARG_NAME;
1.254 schwarze 178: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 179: search.argmode = ARG_EXPR;
1.254 schwarze 180: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 181: search.argmode = ARG_WORD;
1.254 schwarze 182: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 183: search.argmode = ARG_NAME;
1.180 schwarze 184: else
185: search.argmode = ARG_FILE;
186:
187: /* Parser and formatter options. */
1.54 kristaps 188:
1.51 kristaps 189: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 190: curp.outtype = OUTT_LOCALE;
1.230 schwarze 191: curp.outopts = &conf.output;
1.194 schwarze 192: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.19 kristaps 193:
1.244 schwarze 194: use_pager = 1;
195: tag_files = NULL;
1.180 schwarze 196: show_usage = 0;
1.181 schwarze 197: outmode = OUTMODE_DEF;
1.183 schwarze 198:
1.289 schwarze 199: while ((c = getopt(argc, argv,
200: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
201: if (c == 'i' && search.argmode == ARG_EXPR) {
202: optind--;
203: break;
204: }
1.1 kristaps 205: switch (c) {
1.181 schwarze 206: case 'a':
207: outmode = OUTMODE_ALL;
208: break;
1.180 schwarze 209: case 'C':
210: conf_file = optarg;
211: break;
1.183 schwarze 212: case 'c':
1.244 schwarze 213: use_pager = 0;
1.183 schwarze 214: break;
1.180 schwarze 215: case 'f':
216: search.argmode = ARG_WORD;
217: break;
1.190 schwarze 218: case 'h':
1.230 schwarze 219: conf.output.synopsisonly = 1;
1.244 schwarze 220: use_pager = 0;
1.190 schwarze 221: outmode = OUTMODE_ALL;
222: break;
1.173 schwarze 223: case 'I':
1.166 schwarze 224: if (strncmp(optarg, "os=", 3)) {
1.247 schwarze 225: warnx("-I %s: Bad argument", optarg);
1.245 schwarze 226: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 227: }
1.293 schwarze 228: if (curp.os_s != NULL) {
1.247 schwarze 229: warnx("-I %s: Duplicate argument", optarg);
1.245 schwarze 230: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 231: }
1.293 schwarze 232: curp.os_s = mandoc_strdup(optarg + 3);
1.181 schwarze 233: break;
1.194 schwarze 234: case 'K':
235: if ( ! koptions(&options, optarg))
1.245 schwarze 236: return (int)MANDOCLEVEL_BADARG;
1.194 schwarze 237: break;
1.180 schwarze 238: case 'k':
239: search.argmode = ARG_EXPR;
240: break;
1.188 schwarze 241: case 'l':
242: search.argmode = ARG_FILE;
243: outmode = OUTMODE_ALL;
244: break;
1.180 schwarze 245: case 'M':
246: defpaths = optarg;
247: break;
1.173 schwarze 248: case 'm':
1.180 schwarze 249: auxpaths = optarg;
1.10 kristaps 250: break;
1.173 schwarze 251: case 'O':
1.282 schwarze 252: oarg = optarg;
1.44 kristaps 253: break;
1.180 schwarze 254: case 'S':
255: search.arch = optarg;
256: break;
257: case 's':
258: search.sec = optarg;
259: break;
1.173 schwarze 260: case 'T':
1.60 kristaps 261: if ( ! toptions(&curp, optarg))
1.245 schwarze 262: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 263: break;
1.173 schwarze 264: case 'W':
1.103 schwarze 265: if ( ! woptions(&curp, optarg))
1.245 schwarze 266: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 267: break;
1.181 schwarze 268: case 'w':
269: outmode = OUTMODE_FLN;
270: break;
1.1 kristaps 271: default:
1.180 schwarze 272: show_usage = 1;
273: break;
1.1 kristaps 274: }
1.180 schwarze 275: }
276:
277: if (show_usage)
278: usage(search.argmode);
279:
1.185 schwarze 280: /* Postprocess options. */
281:
1.181 schwarze 282: if (outmode == OUTMODE_DEF) {
283: switch (search.argmode) {
284: case ARG_FILE:
285: outmode = OUTMODE_ALL;
1.244 schwarze 286: use_pager = 0;
1.181 schwarze 287: break;
288: case ARG_NAME:
289: outmode = OUTMODE_ONE;
290: break;
291: default:
292: outmode = OUTMODE_LST;
293: break;
1.282 schwarze 294: }
295: }
296:
297: if (oarg != NULL) {
298: if (outmode == OUTMODE_LST)
299: search.outkey = oarg;
300: else {
301: while (oarg != NULL) {
302: thisarg = oarg;
303: if (manconf_output(&conf.output,
304: strsep(&oarg, ","), 0) == 0)
305: continue;
306: warnx("-O %s: Bad argument", thisarg);
307: return (int)MANDOCLEVEL_BADARG;
308: }
1.181 schwarze 309: }
310: }
311:
1.315 schwarze 312: if (curp.outtype != OUTT_TREE || !curp.outopts->noval)
313: options |= MPARSE_VALIDATE;
314:
1.246 schwarze 315: if (outmode == OUTMODE_FLN ||
316: outmode == OUTMODE_LST ||
317: !isatty(STDOUT_FILENO))
318: use_pager = 0;
1.304 schwarze 319:
320: if (use_pager &&
321: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 322: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
323: ws.ws_col > 1) {
1.304 schwarze 324: if (conf.output.width == 0 && ws.ws_col < 79)
325: conf.output.width = ws.ws_col - 1;
326: if (conf.output.indent == 0 && ws.ws_col < 66)
327: conf.output.indent = 3;
328: }
1.246 schwarze 329:
1.255 schwarze 330: #if HAVE_PLEDGE
1.260 schwarze 331: if (!use_pager)
1.284 schwarze 332: if (pledge("stdio rpath", NULL) == -1)
1.260 schwarze 333: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.255 schwarze 334: #endif
335:
1.185 schwarze 336: /* Parse arguments. */
337:
1.219 schwarze 338: if (argc > 0) {
339: argc -= optind;
340: argv += optind;
341: }
1.186 schwarze 342: resp = NULL;
1.185 schwarze 343:
1.202 schwarze 344: /*
345: * Quirks for help(1)
346: * and for a man(1) section argument without -s.
347: */
348:
349: if (search.argmode == ARG_NAME) {
1.254 schwarze 350: if (*progname == 'h') {
1.202 schwarze 351: if (argc == 0) {
352: argv = help_argv;
353: argc = 1;
354: }
1.211 schwarze 355: } else if (argc > 1 &&
1.223 kristaps 356: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 357: ((isdigit(uc[0]) && (uc[1] == '\0' ||
358: (isalpha(uc[1]) && uc[2] == '\0'))) ||
359: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 360: search.sec = (char *)uc;
1.202 schwarze 361: argv++;
362: argc--;
363: }
1.216 schwarze 364: if (search.arch == NULL)
365: search.arch = getenv("MACHINE");
1.223 kristaps 366: #ifdef MACHINE
1.216 schwarze 367: if (search.arch == NULL)
368: search.arch = MACHINE;
1.223 kristaps 369: #endif
1.185 schwarze 370: }
1.182 schwarze 371:
1.316 schwarze 372: /*
373: * Use the first argument for -O tag in addition to
374: * using it as a search term for man(1) or apropos(1).
375: */
376:
377: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
378: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
379: strchr(*argv, '=') : NULL;
380: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
381: }
382:
1.180 schwarze 383: /* man(1), whatis(1), apropos(1) */
384:
385: if (search.argmode != ARG_FILE) {
1.199 schwarze 386: if (search.argmode == ARG_NAME &&
387: outmode == OUTMODE_ONE)
388: search.firstmatch = 1;
1.182 schwarze 389:
390: /* Access the mandoc database. */
391:
1.229 schwarze 392: manconf_parse(&conf, conf_file, defpaths, auxpaths);
393: if ( ! mansearch(&search, &conf.manpath,
394: argc, argv, &res, &sz))
1.180 schwarze 395: usage(search.argmode);
1.213 schwarze 396:
1.305 schwarze 397: if (sz == 0 && search.argmode == ARG_NAME)
398: fs_search(&search, &conf.manpath,
399: argc, argv, &res, &sz);
400:
401: if (search.argmode == ARG_NAME) {
402: for (c = 0; c < argc; c++) {
403: if (strchr(argv[c], '/') == NULL)
404: continue;
405: if (access(argv[c], R_OK) == -1) {
406: warn("%s", argv[c]);
407: continue;
408: }
409: res = mandoc_reallocarray(res,
410: sz + 1, sizeof(*res));
411: res[sz].file = mandoc_strdup(argv[c]);
412: res[sz].names = NULL;
413: res[sz].output = NULL;
414: res[sz].ipath = SIZE_MAX;
415: res[sz].sec = 10;
416: res[sz].form = FORM_SRC;
417: sz++;
418: }
1.237 schwarze 419: }
1.187 schwarze 420:
421: if (sz == 0) {
1.305 schwarze 422: if (search.argmode != ARG_NAME)
423: warnx("nothing appropriate");
1.312 schwarze 424: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.187 schwarze 425: goto out;
426: }
1.182 schwarze 427:
428: /*
429: * For standard man(1) and -a output mode,
430: * prepare for copying filename pointers
431: * into the program parameter array.
432: */
433:
434: if (outmode == OUTMODE_ONE) {
435: argc = 1;
1.264 schwarze 436: best_prio = 20;
1.186 schwarze 437: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 438: argc = (int)sz;
439:
440: /* Iterate all matching manuals. */
441:
1.213 schwarze 442: resp = res;
1.181 schwarze 443: for (i = 0; i < sz; i++) {
444: if (outmode == OUTMODE_FLN)
445: puts(res[i].file);
1.182 schwarze 446: else if (outmode == OUTMODE_LST)
1.181 schwarze 447: printf("%s - %s\n", res[i].names,
448: res[i].output == NULL ? "" :
449: res[i].output);
1.186 schwarze 450: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 451: /* Search for the best section. */
1.264 schwarze 452: sec = res[i].file;
453: sec += strcspn(sec, "123456789");
454: if (sec[0] == '\0')
1.182 schwarze 455: continue;
1.264 schwarze 456: prio = sec_prios[sec[0] - '1'];
457: if (sec[1] != '/')
458: prio += 10;
1.182 schwarze 459: if (prio >= best_prio)
460: continue;
461: best_prio = prio;
1.186 schwarze 462: resp = res + i;
1.182 schwarze 463: }
1.181 schwarze 464: }
1.182 schwarze 465:
466: /*
467: * For man(1), -a and -i output mode, fall through
468: * to the main mandoc(1) code iterating files
469: * and running the parsers on each of them.
470: */
471:
472: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
473: goto out;
1.180 schwarze 474: }
475:
476: /* mandoc(1) */
477:
1.255 schwarze 478: #if HAVE_PLEDGE
1.260 schwarze 479: if (use_pager) {
480: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
481: err((int)MANDOCLEVEL_SYSERR, "pledge");
482: } else {
483: if (pledge("stdio rpath", NULL) == -1)
484: err((int)MANDOCLEVEL_SYSERR, "pledge");
485: }
1.255 schwarze 486: #endif
487:
1.286 schwarze 488: if (search.argmode == ARG_FILE)
489: moptions(&options, auxpaths);
1.241 schwarze 490:
1.249 schwarze 491: mchars_alloc();
1.312 schwarze 492: curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);
1.154 kristaps 493:
1.219 schwarze 494: if (argc < 1) {
1.316 schwarze 495: if (use_pager) {
1.244 schwarze 496: tag_files = tag_init();
1.316 schwarze 497: tag_files->tagname = conf.output.tag;
498: }
1.312 schwarze 499: thisarg = "<stdin>";
500: mandoc_msg_setinfilename(thisarg);
501: parse(&curp, STDIN_FILENO, thisarg);
502: mandoc_msg_setinfilename(NULL);
1.212 schwarze 503: }
1.64 kristaps 504:
1.305 schwarze 505: /*
506: * Remember the original working directory, if possible.
507: * This will be needed if some names on the command line
508: * are page names and some are relative file names.
509: * Do not error out if the current directory is not
510: * readable: Maybe it won't be needed after all.
511: */
512: startdir = open(".", O_RDONLY | O_DIRECTORY);
513:
1.219 schwarze 514: while (argc > 0) {
1.305 schwarze 515:
516: /*
517: * Changing directories is not needed in ARG_FILE mode.
518: * Do it on a best-effort basis. Even in case of
519: * failure, some functionality may still work.
520: */
521: if (resp != NULL) {
522: if (resp->ipath != SIZE_MAX)
523: (void)chdir(conf.manpath.paths[resp->ipath]);
524: else if (startdir != -1)
525: (void)fchdir(startdir);
1.312 schwarze 526: thisarg = resp->file;
527: } else
528: thisarg = *argv;
1.305 schwarze 529:
1.312 schwarze 530: fd = mparse_open(curp.mp, thisarg);
1.212 schwarze 531: if (fd != -1) {
1.244 schwarze 532: if (use_pager) {
1.309 schwarze 533: use_pager = 0;
1.244 schwarze 534: tag_files = tag_init();
1.316 schwarze 535: tag_files->tagname = conf.output.tag;
1.244 schwarze 536: }
1.212 schwarze 537:
1.314 schwarze 538: mandoc_msg_setinfilename(thisarg);
1.312 schwarze 539: if (resp == NULL || resp->form == FORM_SRC)
540: parse(&curp, fd, thisarg);
1.305 schwarze 541: else
1.230 schwarze 542: passthrough(resp->file, fd,
543: conf.output.synopsisonly);
1.314 schwarze 544: mandoc_msg_setinfilename(NULL);
1.302 schwarze 545:
546: if (ferror(stdout)) {
547: if (tag_files != NULL) {
548: warn("%s", tag_files->ofn);
549: tag_unlink();
550: tag_files = NULL;
551: } else
552: warn("stdout");
1.312 schwarze 553: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.302 schwarze 554: break;
555: }
1.212 schwarze 556:
1.276 schwarze 557: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
558: if (curp.outdata == NULL)
559: outdata_alloc(&curp);
1.267 schwarze 560: terminal_sepline(curp.outdata);
1.276 schwarze 561: }
1.314 schwarze 562: } else
563: mandoc_msg(MANDOCERR_FILE, 0, 0,
1.318 schwarze 564: "%s: %s", thisarg, strerror(errno));
1.192 schwarze 565:
1.312 schwarze 566: if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 567: break;
1.210 schwarze 568:
1.212 schwarze 569: if (resp != NULL)
570: resp++;
571: else
572: argv++;
573: if (--argc)
574: mparse_reset(curp.mp);
1.1 kristaps 575: }
1.305 schwarze 576: if (startdir != -1) {
577: (void)fchdir(startdir);
578: close(startdir);
579: }
1.1 kristaps 580:
1.252 schwarze 581: if (curp.outdata != NULL) {
582: switch (curp.outtype) {
583: case OUTT_HTML:
584: html_free(curp.outdata);
585: break;
586: case OUTT_UTF8:
587: case OUTT_LOCALE:
588: case OUTT_ASCII:
589: ascii_free(curp.outdata);
590: break;
591: case OUTT_PDF:
592: case OUTT_PS:
593: pspdf_free(curp.outdata);
594: break;
595: default:
596: break;
597: }
1.250 schwarze 598: }
1.294 schwarze 599: mandoc_xr_free();
1.195 schwarze 600: mparse_free(curp.mp);
1.249 schwarze 601: mchars_free();
1.182 schwarze 602:
603: out:
604: if (search.argmode != ARG_FILE) {
1.229 schwarze 605: manconf_free(&conf);
1.182 schwarze 606: mansearch_free(res, sz);
607: }
608:
1.293 schwarze 609: free(curp.os_s);
1.1 kristaps 610:
1.224 schwarze 611: /*
1.244 schwarze 612: * When using a pager, finish writing both temporary files,
613: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 614: */
615:
1.244 schwarze 616: if (tag_files != NULL) {
1.225 schwarze 617: fclose(stdout);
1.239 schwarze 618: tag_write();
1.259 schwarze 619: man_pgid = getpgid(0);
620: tag_files->tcpgid = man_pgid == getpid() ?
621: getpgid(getppid()) : man_pgid;
622: pager_pid = 0;
623: signum = SIGSTOP;
1.258 schwarze 624: for (;;) {
1.259 schwarze 625:
626: /* Stop here until moved to the foreground. */
627:
1.279 schwarze 628: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 629: if (tc_pgid != man_pgid) {
630: if (tc_pgid == pager_pid) {
1.279 schwarze 631: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 632: man_pgid);
633: if (signum == SIGTTIN)
634: continue;
635: } else
636: tag_files->tcpgid = tc_pgid;
637: kill(0, signum);
638: continue;
639: }
640:
641: /* Once in the foreground, activate the pager. */
642:
643: if (pager_pid) {
1.279 schwarze 644: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 645: kill(pager_pid, SIGCONT);
646: } else
647: pager_pid = spawn_pager(tag_files);
648:
649: /* Wait for the pager to stop or exit. */
650:
651: while ((pid = waitpid(pager_pid, &status,
652: WUNTRACED)) == -1 && errno == EINTR)
653: continue;
654:
655: if (pid == -1) {
1.258 schwarze 656: warn("wait");
1.312 schwarze 657: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.258 schwarze 658: break;
659: }
660: if (!WIFSTOPPED(status))
661: break;
662:
1.259 schwarze 663: signum = WSTOPSIG(status);
1.258 schwarze 664: }
1.239 schwarze 665: tag_unlink();
1.225 schwarze 666: }
1.312 schwarze 667: return (int)mandoc_msg_getrc();
1.1 kristaps 668: }
669:
1.55 kristaps 670: static void
1.180 schwarze 671: usage(enum argmode argmode)
1.1 kristaps 672: {
673:
1.180 schwarze 674: switch (argmode) {
675: case ARG_FILE:
1.287 schwarze 676: fputs("usage: mandoc [-ac] [-I os=name] "
677: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 678: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 679: break;
680: case ARG_NAME:
1.287 schwarze 681: fputs("usage: man [-acfhklw] [-C file] [-M path] "
682: "[-m path] [-S subsection]\n"
683: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 684: break;
685: case ARG_WORD:
1.287 schwarze 686: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 687: "[-M path] [-m path] [-O outkey] [-S arch]\n"
688: "\t [-s section] name ...\n", stderr);
1.180 schwarze 689: break;
690: case ARG_EXPR:
1.287 schwarze 691: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 692: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 693: "\t [-s section] expression ...\n", stderr);
694: break;
695: }
1.105 kristaps 696: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 697: }
1.213 schwarze 698:
699: static int
700: fs_lookup(const struct manpaths *paths, size_t ipath,
701: const char *sec, const char *arch, const char *name,
702: struct manpage **res, size_t *ressz)
703: {
1.222 schwarze 704: glob_t globinfo;
1.213 schwarze 705: struct manpage *page;
706: char *file;
1.274 schwarze 707: int globres;
708: enum form form;
1.213 schwarze 709:
1.222 schwarze 710: form = FORM_SRC;
1.213 schwarze 711: mandoc_asprintf(&file, "%s/man%s/%s.%s",
712: paths->paths[ipath], sec, name, sec);
1.222 schwarze 713: if (access(file, R_OK) != -1)
1.213 schwarze 714: goto found;
715: free(file);
716:
717: mandoc_asprintf(&file, "%s/cat%s/%s.0",
718: paths->paths[ipath], sec, name);
719: if (access(file, R_OK) != -1) {
720: form = FORM_CAT;
721: goto found;
722: }
723: free(file);
724:
725: if (arch != NULL) {
726: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
727: paths->paths[ipath], sec, arch, name, sec);
1.222 schwarze 728: if (access(file, R_OK) != -1)
1.213 schwarze 729: goto found;
730: free(file);
731: }
1.222 schwarze 732:
1.240 schwarze 733: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 734: paths->paths[ipath], sec, name);
735: globres = glob(file, 0, NULL, &globinfo);
736: if (globres != 0 && globres != GLOB_NOMATCH)
1.247 schwarze 737: warn("%s: glob", file);
1.222 schwarze 738: free(file);
739: if (globres == 0)
740: file = mandoc_strdup(*globinfo.gl_pathv);
741: globfree(&globinfo);
1.296 schwarze 742: if (globres == 0)
743: goto found;
744: if (res != NULL || ipath + 1 != paths->sz)
1.245 schwarze 745: return 0;
1.213 schwarze 746:
1.296 schwarze 747: mandoc_asprintf(&file, "%s.%s", name, sec);
748: globres = access(file, R_OK);
749: free(file);
750: return globres != -1;
751:
1.213 schwarze 752: found:
1.266 schwarze 753: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
754: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 755: if (res == NULL) {
756: free(file);
1.295 schwarze 757: return 1;
1.296 schwarze 758: }
1.213 schwarze 759: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
760: page = *res + (*ressz - 1);
761: page->file = file;
762: page->names = NULL;
763: page->output = NULL;
764: page->ipath = ipath;
765: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
766: page->form = form;
1.245 schwarze 767: return 1;
1.213 schwarze 768: }
769:
1.295 schwarze 770: static int
1.213 schwarze 771: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
772: int argc, char **argv, struct manpage **res, size_t *ressz)
773: {
774: const char *const sections[] =
1.264 schwarze 775: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 776: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
777:
778: size_t ipath, isec, lastsz;
779:
780: assert(cfg->argmode == ARG_NAME);
781:
1.295 schwarze 782: if (res != NULL)
783: *res = NULL;
1.213 schwarze 784: *ressz = lastsz = 0;
785: while (argc) {
786: for (ipath = 0; ipath < paths->sz; ipath++) {
787: if (cfg->sec != NULL) {
788: if (fs_lookup(paths, ipath, cfg->sec,
789: cfg->arch, *argv, res, ressz) &&
790: cfg->firstmatch)
1.295 schwarze 791: return 1;
1.213 schwarze 792: } else for (isec = 0; isec < nsec; isec++)
793: if (fs_lookup(paths, ipath, sections[isec],
794: cfg->arch, *argv, res, ressz) &&
795: cfg->firstmatch)
1.295 schwarze 796: return 1;
1.213 schwarze 797: }
1.305 schwarze 798: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 799: strchr(*argv, '/') == NULL) {
1.320 ! schwarze 800: if (cfg->arch != NULL &&
! 801: arch_valid(cfg->arch, OSENUM) == 0)
! 802: warnx("Unknown architecture \"%s\".",
! 803: cfg->arch);
! 804: else if (cfg->sec == NULL)
1.307 schwarze 805: warnx("No entry for %s in the manual.",
806: *argv);
807: else
808: warnx("No entry for %s in section %s "
809: "of the manual.", *argv, cfg->sec);
810: }
1.213 schwarze 811: lastsz = *ressz;
812: argv++;
813: argc--;
814: }
1.295 schwarze 815: return 0;
1.213 schwarze 816: }
1.68 joerg 817:
1.64 kristaps 818: static void
1.227 schwarze 819: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 820: {
1.315 schwarze 821: struct roff_meta *meta;
1.112 kristaps 822:
1.154 kristaps 823: /* Begin by parsing the file itself. */
1.112 kristaps 824:
1.154 kristaps 825: assert(file);
1.263 schwarze 826: assert(fd >= 0);
1.112 kristaps 827:
1.312 schwarze 828: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 829: if (fd != STDIN_FILENO)
830: close(fd);
1.112 kristaps 831:
1.1 kristaps 832: /*
1.154 kristaps 833: * With -Wstop and warnings or errors of at least the requested
834: * level, do not produce output.
1.1 kristaps 835: */
836:
1.312 schwarze 837: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 838: return;
1.111 kristaps 839:
1.276 schwarze 840: if (curp->outdata == NULL)
841: outdata_alloc(curp);
1.319 schwarze 842: else if (curp->outtype == OUTT_HTML)
843: html_reset(curp);
1.111 kristaps 844:
1.315 schwarze 845: mandoc_xr_reset();
846: meta = mparse_result(curp->mp);
1.250 schwarze 847:
848: /* Execute the out device, if it exists. */
849:
1.315 schwarze 850: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 851: switch (curp->outtype) {
1.173 schwarze 852: case OUTT_HTML:
1.315 schwarze 853: html_mdoc(curp->outdata, meta);
1.111 kristaps 854: break;
1.173 schwarze 855: case OUTT_TREE:
1.315 schwarze 856: tree_mdoc(curp->outdata, meta);
1.111 kristaps 857: break;
1.173 schwarze 858: case OUTT_MAN:
1.315 schwarze 859: man_mdoc(curp->outdata, meta);
1.164 schwarze 860: break;
1.173 schwarze 861: case OUTT_PDF:
862: case OUTT_ASCII:
863: case OUTT_UTF8:
864: case OUTT_LOCALE:
865: case OUTT_PS:
1.315 schwarze 866: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 867: break;
1.285 schwarze 868: case OUTT_MARKDOWN:
1.315 schwarze 869: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 870: break;
1.250 schwarze 871: default:
872: break;
873: }
874: }
1.315 schwarze 875: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 876: switch (curp->outtype) {
877: case OUTT_HTML:
1.315 schwarze 878: html_man(curp->outdata, meta);
1.250 schwarze 879: break;
880: case OUTT_TREE:
1.315 schwarze 881: tree_man(curp->outdata, meta);
1.250 schwarze 882: break;
883: case OUTT_MAN:
1.308 schwarze 884: mparse_copy(curp->mp);
1.250 schwarze 885: break;
886: case OUTT_PDF:
887: case OUTT_ASCII:
888: case OUTT_UTF8:
889: case OUTT_LOCALE:
890: case OUTT_PS:
1.315 schwarze 891: terminal_man(curp->outdata, meta);
1.111 kristaps 892: break;
893: default:
894: break;
895: }
1.276 schwarze 896: }
1.312 schwarze 897: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
898: check_xr();
1.294 schwarze 899: }
900:
901: static void
1.312 schwarze 902: check_xr(void)
1.294 schwarze 903: {
904: static struct manpaths paths;
905: struct mansearch search;
906: struct mandoc_xr *xr;
907: size_t sz;
908:
909: if (paths.sz == 0)
910: manpath_base(&paths);
911:
912: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 913: if (xr->line == -1)
914: continue;
1.294 schwarze 915: search.arch = NULL;
916: search.sec = xr->sec;
917: search.outkey = NULL;
918: search.argmode = ARG_NAME;
919: search.firstmatch = 1;
920: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 921: continue;
922: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.294 schwarze 923: continue;
1.298 schwarze 924: if (xr->count == 1)
1.313 schwarze 925: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
926: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 927: else
1.313 schwarze 928: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
929: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 930: xr->name, xr->sec, xr->count);
1.294 schwarze 931: }
1.276 schwarze 932: }
933:
934: static void
935: outdata_alloc(struct curparse *curp)
936: {
937: switch (curp->outtype) {
938: case OUTT_HTML:
939: curp->outdata = html_alloc(curp->outopts);
940: break;
941: case OUTT_UTF8:
942: curp->outdata = utf8_alloc(curp->outopts);
943: break;
944: case OUTT_LOCALE:
945: curp->outdata = locale_alloc(curp->outopts);
946: break;
947: case OUTT_ASCII:
948: curp->outdata = ascii_alloc(curp->outopts);
949: break;
950: case OUTT_PDF:
951: curp->outdata = pdf_alloc(curp->outopts);
952: break;
953: case OUTT_PS:
954: curp->outdata = ps_alloc(curp->outopts);
955: break;
956: default:
957: break;
1.111 kristaps 958: }
1.186 schwarze 959: }
960:
1.227 schwarze 961: static void
1.197 schwarze 962: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 963: {
1.197 schwarze 964: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
965: const char synr[] = "SYNOPSIS";
966:
967: FILE *stream;
1.186 schwarze 968: const char *syscall;
1.257 schwarze 969: char *line, *cp;
970: size_t linesz;
1.277 schwarze 971: ssize_t len, written;
1.197 schwarze 972: int print;
1.210 schwarze 973:
1.257 schwarze 974: line = NULL;
975: linesz = 0;
1.197 schwarze 976:
1.277 schwarze 977: if (fflush(stdout) == EOF) {
978: syscall = "fflush";
979: goto fail;
980: }
981:
1.197 schwarze 982: if ((stream = fdopen(fd, "r")) == NULL) {
983: close(fd);
984: syscall = "fdopen";
985: goto fail;
986: }
1.186 schwarze 987:
1.197 schwarze 988: print = 0;
1.277 schwarze 989: while ((len = getline(&line, &linesz, stream)) != -1) {
1.257 schwarze 990: cp = line;
1.197 schwarze 991: if (synopsis_only) {
992: if (print) {
1.257 schwarze 993: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 994: goto done;
1.277 schwarze 995: while (isspace((unsigned char)*cp)) {
1.257 schwarze 996: cp++;
1.277 schwarze 997: len--;
998: }
1.197 schwarze 999: } else {
1.257 schwarze 1000: if (strcmp(cp, synb) == 0 ||
1001: strcmp(cp, synr) == 0)
1.197 schwarze 1002: print = 1;
1003: continue;
1004: }
1005: }
1.277 schwarze 1006: for (; len > 0; len -= written) {
1007: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
1008: continue;
1.257 schwarze 1009: fclose(stream);
1.277 schwarze 1010: syscall = "write";
1.257 schwarze 1011: goto fail;
1012: }
1.197 schwarze 1013: }
1.186 schwarze 1014:
1.197 schwarze 1015: if (ferror(stream)) {
1016: fclose(stream);
1.257 schwarze 1017: syscall = "getline";
1.197 schwarze 1018: goto fail;
1019: }
1.193 schwarze 1020:
1.197 schwarze 1021: done:
1.257 schwarze 1022: free(line);
1.197 schwarze 1023: fclose(stream);
1.227 schwarze 1024: return;
1.186 schwarze 1025:
1026: fail:
1.257 schwarze 1027: free(line);
1.247 schwarze 1028: warn("%s: SYSERR: %s", file, syscall);
1.312 schwarze 1029: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.194 schwarze 1030: }
1031:
1032: static int
1033: koptions(int *options, char *arg)
1034: {
1035:
1036: if ( ! strcmp(arg, "utf-8")) {
1037: *options |= MPARSE_UTF8;
1038: *options &= ~MPARSE_LATIN1;
1039: } else if ( ! strcmp(arg, "iso-8859-1")) {
1040: *options |= MPARSE_LATIN1;
1041: *options &= ~MPARSE_UTF8;
1042: } else if ( ! strcmp(arg, "us-ascii")) {
1043: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
1044: } else {
1.247 schwarze 1045: warnx("-K %s: Bad argument", arg);
1.245 schwarze 1046: return 0;
1.194 schwarze 1047: }
1.245 schwarze 1048: return 1;
1.10 kristaps 1049: }
1050:
1.286 schwarze 1051: static void
1.170 schwarze 1052: moptions(int *options, char *arg)
1.10 kristaps 1053: {
1054:
1.180 schwarze 1055: if (arg == NULL)
1.286 schwarze 1056: return;
1057: if (strcmp(arg, "doc") == 0)
1.170 schwarze 1058: *options |= MPARSE_MDOC;
1.286 schwarze 1059: else if (strcmp(arg, "an") == 0)
1.170 schwarze 1060: *options |= MPARSE_MAN;
1.1 kristaps 1061: }
1062:
1063: static int
1.60 kristaps 1064: toptions(struct curparse *curp, char *arg)
1.1 kristaps 1065: {
1066:
1067: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 1068: curp->outtype = OUTT_ASCII;
1069: else if (0 == strcmp(arg, "lint")) {
1070: curp->outtype = OUTT_LINT;
1.312 schwarze 1071: mandoc_msg_setoutfile(stdout);
1072: mandoc_msg_setmin(MANDOCERR_BASE);
1.154 kristaps 1073: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 1074: curp->outtype = OUTT_TREE;
1.164 schwarze 1075: else if (0 == strcmp(arg, "man"))
1076: curp->outtype = OUTT_MAN;
1.43 kristaps 1077: else if (0 == strcmp(arg, "html"))
1.60 kristaps 1078: curp->outtype = OUTT_HTML;
1.285 schwarze 1079: else if (0 == strcmp(arg, "markdown"))
1080: curp->outtype = OUTT_MARKDOWN;
1.163 kristaps 1081: else if (0 == strcmp(arg, "utf8"))
1082: curp->outtype = OUTT_UTF8;
1.162 kristaps 1083: else if (0 == strcmp(arg, "locale"))
1084: curp->outtype = OUTT_LOCALE;
1.85 kristaps 1085: else if (0 == strcmp(arg, "ps"))
1086: curp->outtype = OUTT_PS;
1.100 kristaps 1087: else if (0 == strcmp(arg, "pdf"))
1088: curp->outtype = OUTT_PDF;
1.1 kristaps 1089: else {
1.247 schwarze 1090: warnx("-T %s: Bad argument", arg);
1.245 schwarze 1091: return 0;
1.1 kristaps 1092: }
1093:
1.245 schwarze 1094: return 1;
1.1 kristaps 1095: }
1096:
1097: static int
1.103 schwarze 1098: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1099: {
1.34 kristaps 1100: char *v, *o;
1.293 schwarze 1101: const char *toks[11];
1.1 kristaps 1102:
1.103 schwarze 1103: toks[0] = "stop";
1104: toks[1] = "all";
1.293 schwarze 1105: toks[2] = "base";
1106: toks[3] = "style";
1107: toks[4] = "warning";
1108: toks[5] = "error";
1109: toks[6] = "unsupp";
1110: toks[7] = "fatal";
1111: toks[8] = "openbsd";
1112: toks[9] = "netbsd";
1113: toks[10] = NULL;
1.1 kristaps 1114:
1.34 kristaps 1115: while (*arg) {
1116: o = arg;
1.272 schwarze 1117: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1118: case 0:
1.103 schwarze 1119: curp->wstop = 1;
1.1 kristaps 1120: break;
1.173 schwarze 1121: case 1:
1122: case 2:
1.312 schwarze 1123: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1124: break;
1125: case 3:
1.312 schwarze 1126: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1127: break;
1.290 schwarze 1128: case 4:
1.312 schwarze 1129: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1130: break;
1.290 schwarze 1131: case 5:
1.312 schwarze 1132: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1133: break;
1.290 schwarze 1134: case 6:
1.312 schwarze 1135: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1136: break;
1137: case 7:
1.312 schwarze 1138: mandoc_msg_setmin(MANDOCERR_MAX);
1.293 schwarze 1139: break;
1140: case 8:
1.312 schwarze 1141: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1142: curp->os_e = MANDOC_OS_OPENBSD;
1143: break;
1144: case 9:
1.312 schwarze 1145: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1146: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1147: break;
1.1 kristaps 1148: default:
1.247 schwarze 1149: warnx("-W %s: Bad argument", o);
1.245 schwarze 1150: return 0;
1.1 kristaps 1151: }
1.34 kristaps 1152: }
1.245 schwarze 1153: return 1;
1.183 schwarze 1154: }
1155:
1.225 schwarze 1156: static pid_t
1.244 schwarze 1157: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1158: {
1.265 schwarze 1159: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1160: #define MAX_PAGER_ARGS 16
1161: char *argv[MAX_PAGER_ARGS];
1162: const char *pager;
1163: char *cp;
1.239 schwarze 1164: size_t cmdlen;
1.309 schwarze 1165: int argc, use_ofn;
1.225 schwarze 1166: pid_t pager_pid;
1.183 schwarze 1167:
1.239 schwarze 1168: pager = getenv("MANPAGER");
1169: if (pager == NULL || *pager == '\0')
1170: pager = getenv("PAGER");
1171: if (pager == NULL || *pager == '\0')
1172: pager = "more -s";
1173: cp = mandoc_strdup(pager);
1174:
1175: /*
1176: * Parse the pager command into words.
1177: * Intentionally do not do anything fancy here.
1178: */
1179:
1180: argc = 0;
1.309 schwarze 1181: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1182: argv[argc++] = cp;
1183: cp = strchr(cp, ' ');
1184: if (cp == NULL)
1185: break;
1186: *cp++ = '\0';
1187: while (*cp == ' ')
1188: cp++;
1189: if (*cp == '\0')
1190: break;
1191: }
1192:
1.268 schwarze 1193: /* For less(1), use the tag file. */
1.239 schwarze 1194:
1.309 schwarze 1195: use_ofn = 1;
1.244 schwarze 1196: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1197: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1198: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1199: argv[argc++] = mandoc_strdup("-T");
1200: argv[argc++] = tag_files->tfn;
1.309 schwarze 1201: if (tag_files->tagname != NULL) {
1202: argv[argc++] = mandoc_strdup("-t");
1203: argv[argc++] = tag_files->tagname;
1204: use_ofn = 0;
1205: }
1.244 schwarze 1206: }
1.239 schwarze 1207: }
1.309 schwarze 1208: if (use_ofn)
1209: argv[argc++] = tag_files->ofn;
1.239 schwarze 1210: argv[argc] = NULL;
1211:
1.225 schwarze 1212: switch (pager_pid = fork()) {
1.183 schwarze 1213: case -1:
1.247 schwarze 1214: err((int)MANDOCLEVEL_SYSERR, "fork");
1.183 schwarze 1215: case 0:
1.224 schwarze 1216: break;
1217: default:
1.258 schwarze 1218: (void)setpgid(pager_pid, 0);
1.279 schwarze 1219: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1220: #if HAVE_PLEDGE
1.258 schwarze 1221: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.255 schwarze 1222: err((int)MANDOCLEVEL_SYSERR, "pledge");
1223: #endif
1.259 schwarze 1224: tag_files->pager_pid = pager_pid;
1.245 schwarze 1225: return pager_pid;
1.184 schwarze 1226: }
1227:
1.224 schwarze 1228: /* The child process becomes the pager. */
1.184 schwarze 1229:
1.247 schwarze 1230: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1231: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.244 schwarze 1232: close(tag_files->ofd);
1.303 schwarze 1233: assert(tag_files->tfd == -1);
1.265 schwarze 1234:
1235: /* Do not start the pager before controlling the terminal. */
1236:
1.279 schwarze 1237: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1238: nanosleep(&timeout, NULL);
1239:
1.184 schwarze 1240: execvp(argv[0], argv);
1.247 schwarze 1241: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.71 kristaps 1242: }
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