Annotation of src/usr.bin/mandoc/main.c, Revision 1.206
1.206 ! tb 1: /* $OpenBSD: main.c,v 1.205 2017/08/21 15:41:26 schwarze Exp $ */
1.1 kristaps 2: /*
1.95 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.181 schwarze 4: * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
1.86 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.134 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.134 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19:
1.95 schwarze 20: #include <sys/types.h>
1.122 schwarze 21: #include <sys/param.h> /* MACHINE */
1.129 schwarze 22: #include <sys/wait.h>
1.95 schwarze 23:
1.1 kristaps 24: #include <assert.h>
1.95 schwarze 25: #include <ctype.h>
1.152 schwarze 26: #include <err.h>
1.165 schwarze 27: #include <errno.h>
1.95 schwarze 28: #include <fcntl.h>
1.127 schwarze 29: #include <glob.h>
1.131 schwarze 30: #include <signal.h>
1.1 kristaps 31: #include <stdio.h>
1.17 schwarze 32: #include <stdint.h>
1.1 kristaps 33: #include <stdlib.h>
34: #include <string.h>
1.172 schwarze 35: #include <time.h>
1.1 kristaps 36: #include <unistd.h>
37:
1.136 schwarze 38: #include "mandoc_aux.h"
1.30 schwarze 39: #include "mandoc.h"
1.197 schwarze 40: #include "mandoc_xr.h"
1.136 schwarze 41: #include "roff.h"
1.1 kristaps 42: #include "mdoc.h"
43: #include "man.h"
1.144 schwarze 44: #include "tag.h"
1.136 schwarze 45: #include "main.h"
1.134 schwarze 46: #include "manconf.h"
1.95 schwarze 47: #include "mansearch.h"
48:
49: enum outmode {
50: OUTMODE_DEF = 0,
51: OUTMODE_FLN,
52: OUTMODE_LST,
53: OUTMODE_ALL,
54: OUTMODE_ONE
55: };
1.1 kristaps 56:
57: enum outt {
1.76 schwarze 58: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 59: OUTT_LOCALE, /* -Tlocale */
60: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 61: OUTT_TREE, /* -Ttree */
1.78 schwarze 62: OUTT_MAN, /* -Tman */
1.76 schwarze 63: OUTT_HTML, /* -Thtml */
1.188 schwarze 64: OUTT_MARKDOWN, /* -Tmarkdown */
1.76 schwarze 65: OUTT_LINT, /* -Tlint */
66: OUTT_PS, /* -Tps */
67: OUTT_PDF /* -Tpdf */
1.1 kristaps 68: };
69:
70: struct curparse {
1.76 schwarze 71: struct mparse *mp;
1.196 schwarze 72: struct manoutput *outopts; /* output options */
73: void *outdata; /* data for output */
74: char *os_s; /* operating system for display */
1.75 schwarze 75: int wstop; /* stop after a file with a warning */
1.196 schwarze 76: enum mandocerr mmin; /* ignore messages below this */
77: enum mandoc_os os_e; /* check base system conventions */
1.90 schwarze 78: enum outt outtype; /* which output to use */
1.33 schwarze 79: };
1.174 schwarze 80:
81:
82: int mandocdb(int, char *[]);
1.33 schwarze 83:
1.197 schwarze 84: static void check_xr(const char *);
1.119 schwarze 85: static int fs_lookup(const struct manpaths *,
86: size_t ipath, const char *,
87: const char *, const char *,
88: struct manpage **, size_t *);
1.198 schwarze 89: static int fs_search(const struct mansearch *,
1.119 schwarze 90: const struct manpaths *, int, char**,
91: struct manpage **, size_t *);
1.103 schwarze 92: static int koptions(int *, char *);
1.189 schwarze 93: static void moptions(int *, char *);
1.76 schwarze 94: static void mmsg(enum mandocerr, enum mandoclevel,
95: const char *, int, int, const char *);
1.179 schwarze 96: static void outdata_alloc(struct curparse *);
1.132 schwarze 97: static void parse(struct curparse *, int, const char *);
98: static void passthrough(const char *, int, int);
1.149 schwarze 99: static pid_t spawn_pager(struct tag_files *);
1.27 schwarze 100: static int toptions(struct curparse *, char *);
1.184 schwarze 101: static void usage(enum argmode) __attribute__((__noreturn__));
1.45 schwarze 102: static int woptions(struct curparse *, char *);
1.1 kristaps 103:
1.95 schwarze 104: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.110 schwarze 105: static char help_arg[] = "help";
106: static char *help_argv[] = {help_arg, NULL};
1.131 schwarze 107: static enum mandoclevel rc;
1.203 schwarze 108: static FILE *mmsg_stream;
1.1 kristaps 109:
1.90 schwarze 110:
1.1 kristaps 111: int
112: main(int argc, char *argv[])
113: {
1.134 schwarze 114: struct manconf conf;
1.186 schwarze 115: struct mansearch search;
1.1 kristaps 116: struct curparse curp;
1.149 schwarze 117: struct tag_files *tag_files;
1.186 schwarze 118: struct manpage *res, *resp;
119: const char *progname, *sec, *thisarg;
120: char *conf_file, *defpaths, *auxpaths;
1.196 schwarze 121: char *oarg;
1.113 schwarze 122: unsigned char *uc;
1.171 schwarze 123: size_t i, sz;
1.135 schwarze 124: int prio, best_prio;
1.95 schwarze 125: enum outmode outmode;
1.100 schwarze 126: int fd;
1.95 schwarze 127: int show_usage;
1.87 schwarze 128: int options;
1.149 schwarze 129: int use_pager;
1.166 schwarze 130: int status, signum;
1.95 schwarze 131: int c;
1.166 schwarze 132: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 133:
1.162 schwarze 134: progname = getprogname();
135: if (strncmp(progname, "mandocdb", 8) == 0 ||
136: strncmp(progname, "makewhatis", 10) == 0)
1.150 schwarze 137: return mandocdb(argc, argv);
1.19 schwarze 138:
1.187 schwarze 139: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.163 schwarze 140: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.154 schwarze 141:
1.95 schwarze 142: /* Search options. */
143:
1.134 schwarze 144: memset(&conf, 0, sizeof(conf));
1.111 schwarze 145: conf_file = defpaths = NULL;
146: auxpaths = NULL;
1.95 schwarze 147:
148: memset(&search, 0, sizeof(struct mansearch));
149: search.outkey = "Nd";
1.186 schwarze 150: oarg = NULL;
1.95 schwarze 151:
1.162 schwarze 152: if (strcmp(progname, "man") == 0)
1.95 schwarze 153: search.argmode = ARG_NAME;
1.162 schwarze 154: else if (strncmp(progname, "apropos", 7) == 0)
1.95 schwarze 155: search.argmode = ARG_EXPR;
1.162 schwarze 156: else if (strncmp(progname, "whatis", 6) == 0)
1.95 schwarze 157: search.argmode = ARG_WORD;
1.162 schwarze 158: else if (strncmp(progname, "help", 4) == 0)
1.110 schwarze 159: search.argmode = ARG_NAME;
1.95 schwarze 160: else
161: search.argmode = ARG_FILE;
162:
163: /* Parser and formatter options. */
164:
1.19 schwarze 165: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 166: curp.outtype = OUTT_LOCALE;
1.196 schwarze 167: curp.mmin = MANDOCERR_MAX;
1.135 schwarze 168: curp.outopts = &conf.output;
1.103 schwarze 169: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.203 schwarze 170: mmsg_stream = stderr;
1.1 kristaps 171:
1.149 schwarze 172: use_pager = 1;
173: tag_files = NULL;
1.95 schwarze 174: show_usage = 0;
175: outmode = OUTMODE_DEF;
176:
1.192 schwarze 177: while ((c = getopt(argc, argv,
178: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
179: if (c == 'i' && search.argmode == ARG_EXPR) {
180: optind--;
181: break;
182: }
1.1 kristaps 183: switch (c) {
1.95 schwarze 184: case 'a':
185: outmode = OUTMODE_ALL;
186: break;
187: case 'C':
188: conf_file = optarg;
189: break;
190: case 'c':
1.149 schwarze 191: use_pager = 0;
1.95 schwarze 192: break;
193: case 'f':
194: search.argmode = ARG_WORD;
195: break;
1.98 schwarze 196: case 'h':
1.135 schwarze 197: conf.output.synopsisonly = 1;
1.149 schwarze 198: use_pager = 0;
1.98 schwarze 199: outmode = OUTMODE_ALL;
200: break;
1.90 schwarze 201: case 'I':
1.83 schwarze 202: if (strncmp(optarg, "os=", 3)) {
1.152 schwarze 203: warnx("-I %s: Bad argument", optarg);
1.150 schwarze 204: return (int)MANDOCLEVEL_BADARG;
1.83 schwarze 205: }
1.196 schwarze 206: if (curp.os_s != NULL) {
1.152 schwarze 207: warnx("-I %s: Duplicate argument", optarg);
1.150 schwarze 208: return (int)MANDOCLEVEL_BADARG;
1.83 schwarze 209: }
1.196 schwarze 210: curp.os_s = mandoc_strdup(optarg + 3);
1.95 schwarze 211: break;
1.103 schwarze 212: case 'K':
213: if ( ! koptions(&options, optarg))
1.150 schwarze 214: return (int)MANDOCLEVEL_BADARG;
1.103 schwarze 215: break;
1.95 schwarze 216: case 'k':
217: search.argmode = ARG_EXPR;
218: break;
1.96 schwarze 219: case 'l':
220: search.argmode = ARG_FILE;
221: outmode = OUTMODE_ALL;
222: break;
1.95 schwarze 223: case 'M':
224: defpaths = optarg;
225: break;
1.90 schwarze 226: case 'm':
1.95 schwarze 227: auxpaths = optarg;
1.1 kristaps 228: break;
1.90 schwarze 229: case 'O':
1.186 schwarze 230: oarg = optarg;
1.17 schwarze 231: break;
1.95 schwarze 232: case 'S':
233: search.arch = optarg;
234: break;
235: case 's':
236: search.sec = optarg;
237: break;
1.90 schwarze 238: case 'T':
1.22 schwarze 239: if ( ! toptions(&curp, optarg))
1.150 schwarze 240: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 241: break;
1.90 schwarze 242: case 'W':
1.45 schwarze 243: if ( ! woptions(&curp, optarg))
1.150 schwarze 244: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 245: break;
1.95 schwarze 246: case 'w':
247: outmode = OUTMODE_FLN;
248: break;
1.1 kristaps 249: default:
1.95 schwarze 250: show_usage = 1;
251: break;
252: }
253: }
254:
255: if (show_usage)
256: usage(search.argmode);
257:
258: /* Postprocess options. */
259:
260: if (outmode == OUTMODE_DEF) {
261: switch (search.argmode) {
262: case ARG_FILE:
263: outmode = OUTMODE_ALL;
1.149 schwarze 264: use_pager = 0;
1.95 schwarze 265: break;
266: case ARG_NAME:
267: outmode = OUTMODE_ONE;
268: break;
269: default:
270: outmode = OUTMODE_LST;
271: break;
1.186 schwarze 272: }
273: }
274:
275: if (oarg != NULL) {
276: if (outmode == OUTMODE_LST)
277: search.outkey = oarg;
278: else {
279: while (oarg != NULL) {
280: thisarg = oarg;
281: if (manconf_output(&conf.output,
282: strsep(&oarg, ","), 0) == 0)
283: continue;
284: warnx("-O %s: Bad argument", thisarg);
285: return (int)MANDOCLEVEL_BADARG;
286: }
1.95 schwarze 287: }
288: }
289:
1.151 schwarze 290: if (outmode == OUTMODE_FLN ||
291: outmode == OUTMODE_LST ||
292: !isatty(STDOUT_FILENO))
293: use_pager = 0;
294:
1.167 schwarze 295: if (!use_pager)
1.187 schwarze 296: if (pledge("stdio rpath", NULL) == -1)
1.167 schwarze 297: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.154 schwarze 298:
1.95 schwarze 299: /* Parse arguments. */
300:
1.124 schwarze 301: if (argc > 0) {
302: argc -= optind;
303: argv += optind;
304: }
1.95 schwarze 305: resp = NULL;
306:
1.110 schwarze 307: /*
308: * Quirks for help(1)
309: * and for a man(1) section argument without -s.
310: */
311:
312: if (search.argmode == ARG_NAME) {
1.162 schwarze 313: if (*progname == 'h') {
1.110 schwarze 314: if (argc == 0) {
315: argv = help_argv;
316: argc = 1;
317: }
1.117 schwarze 318: } else if (argc > 1 &&
1.128 schwarze 319: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.113 schwarze 320: ((isdigit(uc[0]) && (uc[1] == '\0' ||
321: (isalpha(uc[1]) && uc[2] == '\0'))) ||
322: (uc[0] == 'n' && uc[1] == '\0'))) {
1.128 schwarze 323: search.sec = (char *)uc;
1.110 schwarze 324: argv++;
325: argc--;
326: }
1.122 schwarze 327: if (search.arch == NULL)
328: search.arch = getenv("MACHINE");
329: if (search.arch == NULL)
330: search.arch = MACHINE;
1.95 schwarze 331: }
332:
333: rc = MANDOCLEVEL_OK;
334:
335: /* man(1), whatis(1), apropos(1) */
336:
337: if (search.argmode != ARG_FILE) {
1.107 schwarze 338: if (search.argmode == ARG_NAME &&
339: outmode == OUTMODE_ONE)
340: search.firstmatch = 1;
1.95 schwarze 341:
342: /* Access the mandoc database. */
343:
1.134 schwarze 344: manconf_parse(&conf, conf_file, defpaths, auxpaths);
345: if ( ! mansearch(&search, &conf.manpath,
346: argc, argv, &res, &sz))
1.95 schwarze 347: usage(search.argmode);
1.119 schwarze 348:
1.142 schwarze 349: if (sz == 0) {
350: if (search.argmode == ARG_NAME)
351: fs_search(&search, &conf.manpath,
352: argc, argv, &res, &sz);
353: else
1.152 schwarze 354: warnx("nothing appropriate");
1.142 schwarze 355: }
1.95 schwarze 356:
357: if (sz == 0) {
358: rc = MANDOCLEVEL_BADARG;
359: goto out;
360: }
361:
362: /*
363: * For standard man(1) and -a output mode,
364: * prepare for copying filename pointers
365: * into the program parameter array.
366: */
367:
368: if (outmode == OUTMODE_ONE) {
369: argc = 1;
1.171 schwarze 370: best_prio = 20;
1.95 schwarze 371: } else if (outmode == OUTMODE_ALL)
372: argc = (int)sz;
373:
374: /* Iterate all matching manuals. */
375:
1.119 schwarze 376: resp = res;
1.95 schwarze 377: for (i = 0; i < sz; i++) {
378: if (outmode == OUTMODE_FLN)
379: puts(res[i].file);
380: else if (outmode == OUTMODE_LST)
381: printf("%s - %s\n", res[i].names,
382: res[i].output == NULL ? "" :
383: res[i].output);
384: else if (outmode == OUTMODE_ONE) {
385: /* Search for the best section. */
1.171 schwarze 386: sec = res[i].file;
387: sec += strcspn(sec, "123456789");
388: if (sec[0] == '\0')
1.95 schwarze 389: continue;
1.171 schwarze 390: prio = sec_prios[sec[0] - '1'];
391: if (sec[1] != '/')
392: prio += 10;
1.95 schwarze 393: if (prio >= best_prio)
394: continue;
395: best_prio = prio;
396: resp = res + i;
397: }
1.1 kristaps 398: }
399:
1.95 schwarze 400: /*
401: * For man(1), -a and -i output mode, fall through
402: * to the main mandoc(1) code iterating files
403: * and running the parsers on each of them.
404: */
405:
406: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
407: goto out;
408: }
409:
410: /* mandoc(1) */
1.157 schwarze 411:
1.167 schwarze 412: if (use_pager) {
413: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
414: err((int)MANDOCLEVEL_SYSERR, "pledge");
415: } else {
416: if (pledge("stdio rpath", NULL) == -1)
417: err((int)MANDOCLEVEL_SYSERR, "pledge");
418: }
1.95 schwarze 419:
1.189 schwarze 420: if (search.argmode == ARG_FILE)
421: moptions(&options, auxpaths);
1.146 schwarze 422:
1.155 schwarze 423: mchars_alloc();
1.196 schwarze 424: curp.mp = mparse_alloc(options, curp.mmin, mmsg,
425: curp.os_e, curp.os_s);
1.76 schwarze 426:
1.80 schwarze 427: /*
428: * Conditionally start up the lookaside buffer before parsing.
429: */
430: if (OUTT_MAN == curp.outtype)
431: mparse_keep(curp.mp);
432:
1.124 schwarze 433: if (argc < 1) {
1.149 schwarze 434: if (use_pager)
435: tag_files = tag_init();
1.132 schwarze 436: parse(&curp, STDIN_FILENO, "<stdin>");
1.118 schwarze 437: }
1.27 schwarze 438:
1.124 schwarze 439: while (argc > 0) {
1.169 schwarze 440: fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
1.118 schwarze 441: if (fd != -1) {
1.149 schwarze 442: if (use_pager) {
443: tag_files = tag_init();
444: use_pager = 0;
445: }
1.118 schwarze 446:
447: if (resp == NULL)
1.132 schwarze 448: parse(&curp, fd, *argv);
1.177 schwarze 449: else if (resp->form == FORM_SRC) {
1.97 schwarze 450: /* For .so only; ignore failure. */
1.204 schwarze 451: (void)chdir(conf.manpath.paths[resp->ipath]);
1.132 schwarze 452: parse(&curp, fd, resp->file);
453: } else
1.135 schwarze 454: passthrough(resp->file, fd,
455: conf.output.synopsisonly);
1.205 schwarze 456:
457: if (ferror(stdout)) {
458: if (tag_files != NULL) {
459: warn("%s", tag_files->ofn);
460: tag_unlink();
461: tag_files = NULL;
462: } else
463: warn("stdout");
464: rc = MANDOCLEVEL_SYSERR;
465: break;
466: }
1.118 schwarze 467:
1.179 schwarze 468: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
469: if (curp.outdata == NULL)
470: outdata_alloc(&curp);
1.173 schwarze 471: terminal_sepline(curp.outdata);
1.179 schwarze 472: }
1.169 schwarze 473: } else if (rc < MANDOCLEVEL_ERROR)
474: rc = MANDOCLEVEL_ERROR;
1.100 schwarze 475:
1.76 schwarze 476: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 477: break;
1.116 schwarze 478:
1.118 schwarze 479: if (resp != NULL)
480: resp++;
481: else
482: argv++;
483: if (--argc)
484: mparse_reset(curp.mp);
1.1 kristaps 485: }
486:
1.160 schwarze 487: if (curp.outdata != NULL) {
488: switch (curp.outtype) {
489: case OUTT_HTML:
490: html_free(curp.outdata);
491: break;
492: case OUTT_UTF8:
493: case OUTT_LOCALE:
494: case OUTT_ASCII:
495: ascii_free(curp.outdata);
496: break;
497: case OUTT_PDF:
498: case OUTT_PS:
499: pspdf_free(curp.outdata);
500: break;
501: default:
502: break;
503: }
1.158 schwarze 504: }
1.197 schwarze 505: mandoc_xr_free();
1.102 schwarze 506: mparse_free(curp.mp);
1.155 schwarze 507: mchars_free();
1.95 schwarze 508:
509: out:
510: if (search.argmode != ARG_FILE) {
1.134 schwarze 511: manconf_free(&conf);
1.95 schwarze 512: mansearch_free(res, sz);
513: }
514:
1.196 schwarze 515: free(curp.os_s);
1.1 kristaps 516:
1.129 schwarze 517: /*
1.149 schwarze 518: * When using a pager, finish writing both temporary files,
519: * fork it, wait for the user to close it, and clean up.
1.129 schwarze 520: */
521:
1.149 schwarze 522: if (tag_files != NULL) {
1.130 schwarze 523: fclose(stdout);
1.144 schwarze 524: tag_write();
1.166 schwarze 525: man_pgid = getpgid(0);
526: tag_files->tcpgid = man_pgid == getpid() ?
527: getpgid(getppid()) : man_pgid;
528: pager_pid = 0;
529: signum = SIGSTOP;
1.165 schwarze 530: for (;;) {
1.166 schwarze 531:
532: /* Stop here until moved to the foreground. */
533:
1.182 schwarze 534: tc_pgid = tcgetpgrp(tag_files->ofd);
1.166 schwarze 535: if (tc_pgid != man_pgid) {
536: if (tc_pgid == pager_pid) {
1.182 schwarze 537: (void)tcsetpgrp(tag_files->ofd,
1.166 schwarze 538: man_pgid);
539: if (signum == SIGTTIN)
540: continue;
541: } else
542: tag_files->tcpgid = tc_pgid;
543: kill(0, signum);
544: continue;
545: }
546:
547: /* Once in the foreground, activate the pager. */
548:
549: if (pager_pid) {
1.182 schwarze 550: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.166 schwarze 551: kill(pager_pid, SIGCONT);
552: } else
553: pager_pid = spawn_pager(tag_files);
554:
555: /* Wait for the pager to stop or exit. */
556:
557: while ((pid = waitpid(pager_pid, &status,
558: WUNTRACED)) == -1 && errno == EINTR)
559: continue;
560:
561: if (pid == -1) {
1.165 schwarze 562: warn("wait");
563: rc = MANDOCLEVEL_SYSERR;
564: break;
565: }
566: if (!WIFSTOPPED(status))
567: break;
568:
1.166 schwarze 569: signum = WSTOPSIG(status);
1.165 schwarze 570: }
1.144 schwarze 571: tag_unlink();
1.130 schwarze 572: }
1.129 schwarze 573:
1.150 schwarze 574: return (int)rc;
1.1 kristaps 575: }
576:
1.20 schwarze 577: static void
1.95 schwarze 578: usage(enum argmode argmode)
1.1 kristaps 579: {
580:
1.95 schwarze 581: switch (argmode) {
582: case ARG_FILE:
1.190 schwarze 583: fputs("usage: mandoc [-ac] [-I os=name] "
584: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.133 schwarze 585: "\t [-T output] [-W level] [file ...]\n", stderr);
1.95 schwarze 586: break;
587: case ARG_NAME:
1.190 schwarze 588: fputs("usage: man [-acfhklw] [-C file] [-M path] "
589: "[-m path] [-S subsection]\n"
590: "\t [[-s] section] name ...\n", stderr);
1.95 schwarze 591: break;
592: case ARG_WORD:
1.190 schwarze 593: fputs("usage: whatis [-afk] [-C file] "
1.96 schwarze 594: "[-M path] [-m path] [-O outkey] [-S arch]\n"
595: "\t [-s section] name ...\n", stderr);
1.95 schwarze 596: break;
597: case ARG_EXPR:
1.190 schwarze 598: fputs("usage: apropos [-afk] [-C file] "
1.96 schwarze 599: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 600: "\t [-s section] expression ...\n", stderr);
601: break;
602: }
1.47 schwarze 603: exit((int)MANDOCLEVEL_BADARG);
1.119 schwarze 604: }
605:
606: static int
607: fs_lookup(const struct manpaths *paths, size_t ipath,
608: const char *sec, const char *arch, const char *name,
609: struct manpage **res, size_t *ressz)
610: {
1.127 schwarze 611: glob_t globinfo;
1.119 schwarze 612: struct manpage *page;
613: char *file;
1.177 schwarze 614: int globres;
615: enum form form;
1.119 schwarze 616:
1.127 schwarze 617: form = FORM_SRC;
1.119 schwarze 618: mandoc_asprintf(&file, "%s/man%s/%s.%s",
619: paths->paths[ipath], sec, name, sec);
1.127 schwarze 620: if (access(file, R_OK) != -1)
1.119 schwarze 621: goto found;
622: free(file);
623:
624: mandoc_asprintf(&file, "%s/cat%s/%s.0",
625: paths->paths[ipath], sec, name);
626: if (access(file, R_OK) != -1) {
627: form = FORM_CAT;
628: goto found;
629: }
630: free(file);
631:
632: if (arch != NULL) {
633: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
634: paths->paths[ipath], sec, arch, name, sec);
1.127 schwarze 635: if (access(file, R_OK) != -1)
1.119 schwarze 636: goto found;
637: free(file);
638: }
1.127 schwarze 639:
1.145 schwarze 640: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.127 schwarze 641: paths->paths[ipath], sec, name);
642: globres = glob(file, 0, NULL, &globinfo);
643: if (globres != 0 && globres != GLOB_NOMATCH)
1.152 schwarze 644: warn("%s: glob", file);
1.127 schwarze 645: free(file);
646: if (globres == 0)
647: file = mandoc_strdup(*globinfo.gl_pathv);
648: globfree(&globinfo);
1.199 schwarze 649: if (globres == 0)
650: goto found;
651: if (res != NULL || ipath + 1 != paths->sz)
1.150 schwarze 652: return 0;
1.119 schwarze 653:
1.199 schwarze 654: mandoc_asprintf(&file, "%s.%s", name, sec);
655: globres = access(file, R_OK);
656: free(file);
657: return globres != -1;
658:
1.119 schwarze 659: found:
1.152 schwarze 660: warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s",
661: name, sec, paths->paths[ipath]);
1.199 schwarze 662: if (res == NULL) {
663: free(file);
1.198 schwarze 664: return 1;
1.199 schwarze 665: }
1.119 schwarze 666: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
667: page = *res + (*ressz - 1);
668: page->file = file;
669: page->names = NULL;
670: page->output = NULL;
671: page->ipath = ipath;
672: page->bits = NAME_FILE & NAME_MASK;
673: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
674: page->form = form;
1.150 schwarze 675: return 1;
1.119 schwarze 676: }
677:
1.198 schwarze 678: static int
1.119 schwarze 679: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
680: int argc, char **argv, struct manpage **res, size_t *ressz)
681: {
682: const char *const sections[] =
1.171 schwarze 683: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.119 schwarze 684: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
685:
686: size_t ipath, isec, lastsz;
687:
688: assert(cfg->argmode == ARG_NAME);
689:
1.198 schwarze 690: if (res != NULL)
691: *res = NULL;
1.119 schwarze 692: *ressz = lastsz = 0;
693: while (argc) {
694: for (ipath = 0; ipath < paths->sz; ipath++) {
695: if (cfg->sec != NULL) {
696: if (fs_lookup(paths, ipath, cfg->sec,
697: cfg->arch, *argv, res, ressz) &&
698: cfg->firstmatch)
1.198 schwarze 699: return 1;
1.119 schwarze 700: } else for (isec = 0; isec < nsec; isec++)
701: if (fs_lookup(paths, ipath, sections[isec],
702: cfg->arch, *argv, res, ressz) &&
703: cfg->firstmatch)
1.198 schwarze 704: return 1;
1.119 schwarze 705: }
1.198 schwarze 706: if (res != NULL && *ressz == lastsz)
1.152 schwarze 707: warnx("No entry for %s in the manual.", *argv);
1.119 schwarze 708: lastsz = *ressz;
709: argv++;
710: argc--;
711: }
1.198 schwarze 712: return 0;
1.1 kristaps 713: }
714:
1.27 schwarze 715: static void
1.132 schwarze 716: parse(struct curparse *curp, int fd, const char *file)
1.52 schwarze 717: {
1.132 schwarze 718: enum mandoclevel rctmp;
1.139 schwarze 719: struct roff_man *man;
1.52 schwarze 720:
1.76 schwarze 721: /* Begin by parsing the file itself. */
1.52 schwarze 722:
1.76 schwarze 723: assert(file);
1.170 florian 724: assert(fd >= 0);
1.52 schwarze 725:
1.132 schwarze 726: rctmp = mparse_readfd(curp->mp, fd, file);
1.168 schwarze 727: if (fd != STDIN_FILENO)
728: close(fd);
1.132 schwarze 729: if (rc < rctmp)
730: rc = rctmp;
1.1 kristaps 731:
1.51 schwarze 732: /*
1.76 schwarze 733: * With -Wstop and warnings or errors of at least the requested
734: * level, do not produce output.
1.51 schwarze 735: */
736:
1.132 schwarze 737: if (rctmp != MANDOCLEVEL_OK && curp->wstop)
738: return;
1.51 schwarze 739:
1.179 schwarze 740: if (curp->outdata == NULL)
741: outdata_alloc(curp);
1.51 schwarze 742:
1.158 schwarze 743: mparse_result(curp->mp, &man, NULL);
744:
745: /* Execute the out device, if it exists. */
746:
747: if (man == NULL)
748: return;
1.200 schwarze 749: mandoc_xr_reset();
1.158 schwarze 750: if (man->macroset == MACROSET_MDOC) {
1.185 schwarze 751: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
752: mdoc_validate(man);
1.51 schwarze 753: switch (curp->outtype) {
1.90 schwarze 754: case OUTT_HTML:
1.158 schwarze 755: html_mdoc(curp->outdata, man);
1.51 schwarze 756: break;
1.90 schwarze 757: case OUTT_TREE:
1.158 schwarze 758: tree_mdoc(curp->outdata, man);
1.51 schwarze 759: break;
1.90 schwarze 760: case OUTT_MAN:
1.158 schwarze 761: man_mdoc(curp->outdata, man);
1.78 schwarze 762: break;
1.90 schwarze 763: case OUTT_PDF:
764: case OUTT_ASCII:
765: case OUTT_UTF8:
766: case OUTT_LOCALE:
767: case OUTT_PS:
1.158 schwarze 768: terminal_mdoc(curp->outdata, man);
769: break;
1.188 schwarze 770: case OUTT_MARKDOWN:
771: markdown_mdoc(curp->outdata, man);
772: break;
1.158 schwarze 773: default:
774: break;
775: }
776: }
777: if (man->macroset == MACROSET_MAN) {
1.185 schwarze 778: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
779: man_validate(man);
1.158 schwarze 780: switch (curp->outtype) {
781: case OUTT_HTML:
782: html_man(curp->outdata, man);
783: break;
784: case OUTT_TREE:
785: tree_man(curp->outdata, man);
786: break;
787: case OUTT_MAN:
788: man_man(curp->outdata, man);
789: break;
790: case OUTT_PDF:
791: case OUTT_ASCII:
792: case OUTT_UTF8:
793: case OUTT_LOCALE:
794: case OUTT_PS:
795: terminal_man(curp->outdata, man);
1.51 schwarze 796: break;
797: default:
798: break;
799: }
1.179 schwarze 800: }
1.200 schwarze 801: if (curp->mmin < MANDOCERR_STYLE)
802: check_xr(file);
1.181 schwarze 803: mparse_updaterc(curp->mp, &rc);
1.197 schwarze 804: }
805:
806: static void
807: check_xr(const char *file)
808: {
809: static struct manpaths paths;
810: struct mansearch search;
811: struct mandoc_xr *xr;
812: char *cp;
813: size_t sz;
814:
815: if (paths.sz == 0)
816: manpath_base(&paths);
817:
818: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.200 schwarze 819: if (xr->line == -1)
820: continue;
1.197 schwarze 821: search.arch = NULL;
822: search.sec = xr->sec;
823: search.outkey = NULL;
824: search.argmode = ARG_NAME;
825: search.firstmatch = 1;
826: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.198 schwarze 827: continue;
828: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.197 schwarze 829: continue;
1.201 schwarze 830: if (xr->count == 1)
831: mandoc_asprintf(&cp, "Xr %s %s", xr->name, xr->sec);
832: else
833: mandoc_asprintf(&cp, "Xr %s %s (%d times)",
834: xr->name, xr->sec, xr->count);
1.197 schwarze 835: mmsg(MANDOCERR_XR_BAD, MANDOCLEVEL_STYLE,
836: file, xr->line, xr->pos + 1, cp);
837: free(cp);
838: }
1.179 schwarze 839: }
840:
841: static void
842: outdata_alloc(struct curparse *curp)
843: {
844: switch (curp->outtype) {
845: case OUTT_HTML:
846: curp->outdata = html_alloc(curp->outopts);
847: break;
848: case OUTT_UTF8:
849: curp->outdata = utf8_alloc(curp->outopts);
850: break;
851: case OUTT_LOCALE:
852: curp->outdata = locale_alloc(curp->outopts);
853: break;
854: case OUTT_ASCII:
855: curp->outdata = ascii_alloc(curp->outopts);
856: break;
857: case OUTT_PDF:
858: curp->outdata = pdf_alloc(curp->outopts);
859: break;
860: case OUTT_PS:
861: curp->outdata = ps_alloc(curp->outopts);
862: break;
863: default:
864: break;
1.51 schwarze 865: }
1.1 kristaps 866: }
867:
1.132 schwarze 868: static void
1.105 schwarze 869: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 870: {
1.105 schwarze 871: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
872: const char synr[] = "SYNOPSIS";
873:
874: FILE *stream;
1.95 schwarze 875: const char *syscall;
1.164 schwarze 876: char *line, *cp;
877: size_t linesz;
1.180 schwarze 878: ssize_t len, written;
1.105 schwarze 879: int print;
1.116 schwarze 880:
1.164 schwarze 881: line = NULL;
882: linesz = 0;
1.105 schwarze 883:
1.180 schwarze 884: if (fflush(stdout) == EOF) {
885: syscall = "fflush";
886: goto fail;
887: }
888:
1.105 schwarze 889: if ((stream = fdopen(fd, "r")) == NULL) {
890: close(fd);
891: syscall = "fdopen";
892: goto fail;
893: }
1.95 schwarze 894:
1.105 schwarze 895: print = 0;
1.180 schwarze 896: while ((len = getline(&line, &linesz, stream)) != -1) {
1.164 schwarze 897: cp = line;
1.105 schwarze 898: if (synopsis_only) {
899: if (print) {
1.164 schwarze 900: if ( ! isspace((unsigned char)*cp))
1.105 schwarze 901: goto done;
1.180 schwarze 902: while (isspace((unsigned char)*cp)) {
1.164 schwarze 903: cp++;
1.180 schwarze 904: len--;
905: }
1.105 schwarze 906: } else {
1.164 schwarze 907: if (strcmp(cp, synb) == 0 ||
908: strcmp(cp, synr) == 0)
1.105 schwarze 909: print = 1;
910: continue;
911: }
912: }
1.180 schwarze 913: for (; len > 0; len -= written) {
914: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
915: continue;
1.164 schwarze 916: fclose(stream);
1.180 schwarze 917: syscall = "write";
1.164 schwarze 918: goto fail;
919: }
1.105 schwarze 920: }
1.95 schwarze 921:
1.105 schwarze 922: if (ferror(stream)) {
923: fclose(stream);
1.164 schwarze 924: syscall = "getline";
1.105 schwarze 925: goto fail;
926: }
1.101 schwarze 927:
1.105 schwarze 928: done:
1.164 schwarze 929: free(line);
1.105 schwarze 930: fclose(stream);
1.132 schwarze 931: return;
1.95 schwarze 932:
933: fail:
1.164 schwarze 934: free(line);
1.152 schwarze 935: warn("%s: SYSERR: %s", file, syscall);
1.132 schwarze 936: if (rc < MANDOCLEVEL_SYSERR)
937: rc = MANDOCLEVEL_SYSERR;
1.103 schwarze 938: }
939:
940: static int
941: koptions(int *options, char *arg)
942: {
943:
944: if ( ! strcmp(arg, "utf-8")) {
945: *options |= MPARSE_UTF8;
946: *options &= ~MPARSE_LATIN1;
947: } else if ( ! strcmp(arg, "iso-8859-1")) {
948: *options |= MPARSE_LATIN1;
949: *options &= ~MPARSE_UTF8;
950: } else if ( ! strcmp(arg, "us-ascii")) {
951: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
952: } else {
1.152 schwarze 953: warnx("-K %s: Bad argument", arg);
1.150 schwarze 954: return 0;
1.103 schwarze 955: }
1.150 schwarze 956: return 1;
1.95 schwarze 957: }
958:
1.189 schwarze 959: static void
1.87 schwarze 960: moptions(int *options, char *arg)
1.1 kristaps 961: {
962:
1.95 schwarze 963: if (arg == NULL)
1.189 schwarze 964: return;
965: if (strcmp(arg, "doc") == 0)
1.87 schwarze 966: *options |= MPARSE_MDOC;
1.189 schwarze 967: else if (strcmp(arg, "an") == 0)
1.87 schwarze 968: *options |= MPARSE_MAN;
1.1 kristaps 969: }
970:
971: static int
1.22 schwarze 972: toptions(struct curparse *curp, char *arg)
1.1 kristaps 973: {
974:
975: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 976: curp->outtype = OUTT_ASCII;
977: else if (0 == strcmp(arg, "lint")) {
978: curp->outtype = OUTT_LINT;
1.196 schwarze 979: curp->mmin = MANDOCERR_BASE;
1.203 schwarze 980: mmsg_stream = stdout;
1.76 schwarze 981: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 982: curp->outtype = OUTT_TREE;
1.78 schwarze 983: else if (0 == strcmp(arg, "man"))
984: curp->outtype = OUTT_MAN;
1.17 schwarze 985: else if (0 == strcmp(arg, "html"))
1.22 schwarze 986: curp->outtype = OUTT_HTML;
1.188 schwarze 987: else if (0 == strcmp(arg, "markdown"))
988: curp->outtype = OUTT_MARKDOWN;
1.77 schwarze 989: else if (0 == strcmp(arg, "utf8"))
990: curp->outtype = OUTT_UTF8;
991: else if (0 == strcmp(arg, "locale"))
992: curp->outtype = OUTT_LOCALE;
1.36 schwarze 993: else if (0 == strcmp(arg, "ps"))
994: curp->outtype = OUTT_PS;
1.43 schwarze 995: else if (0 == strcmp(arg, "pdf"))
996: curp->outtype = OUTT_PDF;
1.1 kristaps 997: else {
1.152 schwarze 998: warnx("-T %s: Bad argument", arg);
1.150 schwarze 999: return 0;
1.1 kristaps 1000: }
1001:
1.150 schwarze 1002: return 1;
1.1 kristaps 1003: }
1004:
1005: static int
1.45 schwarze 1006: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1007: {
1.10 schwarze 1008: char *v, *o;
1.196 schwarze 1009: const char *toks[11];
1.1 kristaps 1010:
1.45 schwarze 1011: toks[0] = "stop";
1012: toks[1] = "all";
1.196 schwarze 1013: toks[2] = "base";
1014: toks[3] = "style";
1015: toks[4] = "warning";
1016: toks[5] = "error";
1017: toks[6] = "unsupp";
1018: toks[7] = "fatal";
1019: toks[8] = "openbsd";
1020: toks[9] = "netbsd";
1021: toks[10] = NULL;
1.1 kristaps 1022:
1.10 schwarze 1023: while (*arg) {
1024: o = arg;
1.176 schwarze 1025: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.90 schwarze 1026: case 0:
1.45 schwarze 1027: curp->wstop = 1;
1.1 kristaps 1028: break;
1.90 schwarze 1029: case 1:
1030: case 2:
1.196 schwarze 1031: curp->mmin = MANDOCERR_BASE;
1.193 schwarze 1032: break;
1033: case 3:
1.196 schwarze 1034: curp->mmin = MANDOCERR_STYLE;
1.1 kristaps 1035: break;
1.193 schwarze 1036: case 4:
1.196 schwarze 1037: curp->mmin = MANDOCERR_WARNING;
1.1 kristaps 1038: break;
1.193 schwarze 1039: case 5:
1.196 schwarze 1040: curp->mmin = MANDOCERR_ERROR;
1.123 schwarze 1041: break;
1.193 schwarze 1042: case 6:
1.196 schwarze 1043: curp->mmin = MANDOCERR_UNSUPP;
1044: break;
1045: case 7:
1046: curp->mmin = MANDOCERR_MAX;
1047: break;
1048: case 8:
1049: curp->mmin = MANDOCERR_BASE;
1050: curp->os_e = MANDOC_OS_OPENBSD;
1051: break;
1052: case 9:
1053: curp->mmin = MANDOCERR_BASE;
1054: curp->os_e = MANDOC_OS_NETBSD;
1.19 schwarze 1055: break;
1.1 kristaps 1056: default:
1.152 schwarze 1057: warnx("-W %s: Bad argument", o);
1.150 schwarze 1058: return 0;
1.1 kristaps 1059: }
1.10 schwarze 1060: }
1.150 schwarze 1061: return 1;
1.1 kristaps 1062: }
1063:
1.75 schwarze 1064: static void
1.90 schwarze 1065: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 1066: const char *file, int line, int col, const char *msg)
1.30 schwarze 1067: {
1.94 schwarze 1068: const char *mparse_msg;
1.45 schwarze 1069:
1.203 schwarze 1070: fprintf(mmsg_stream, "%s: %s:", getprogname(),
1.178 schwarze 1071: file == NULL ? "<stdin>" : file);
1.92 schwarze 1072:
1073: if (line)
1.203 schwarze 1074: fprintf(mmsg_stream, "%d:%d:", line, col + 1);
1.92 schwarze 1075:
1.203 schwarze 1076: fprintf(mmsg_stream, " %s", mparse_strlevel(lvl));
1.94 schwarze 1077:
1.196 schwarze 1078: if ((mparse_msg = mparse_strerror(t)) != NULL)
1.203 schwarze 1079: fprintf(mmsg_stream, ": %s", mparse_msg);
1.30 schwarze 1080:
1081: if (msg)
1.203 schwarze 1082: fprintf(mmsg_stream, ": %s", msg);
1.76 schwarze 1083:
1.203 schwarze 1084: fputc('\n', mmsg_stream);
1.95 schwarze 1085: }
1086:
1.130 schwarze 1087: static pid_t
1.149 schwarze 1088: spawn_pager(struct tag_files *tag_files)
1.95 schwarze 1089: {
1.172 schwarze 1090: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.95 schwarze 1091: #define MAX_PAGER_ARGS 16
1092: char *argv[MAX_PAGER_ARGS];
1093: const char *pager;
1094: char *cp;
1.144 schwarze 1095: size_t cmdlen;
1.95 schwarze 1096: int argc;
1.130 schwarze 1097: pid_t pager_pid;
1.95 schwarze 1098:
1.144 schwarze 1099: pager = getenv("MANPAGER");
1100: if (pager == NULL || *pager == '\0')
1101: pager = getenv("PAGER");
1102: if (pager == NULL || *pager == '\0')
1103: pager = "more -s";
1104: cp = mandoc_strdup(pager);
1105:
1106: /*
1107: * Parse the pager command into words.
1108: * Intentionally do not do anything fancy here.
1109: */
1110:
1111: argc = 0;
1112: while (argc + 4 < MAX_PAGER_ARGS) {
1113: argv[argc++] = cp;
1114: cp = strchr(cp, ' ');
1115: if (cp == NULL)
1116: break;
1117: *cp++ = '\0';
1118: while (*cp == ' ')
1119: cp++;
1120: if (*cp == '\0')
1121: break;
1122: }
1123:
1.149 schwarze 1124: /* For more(1) and less(1), use the tag file. */
1.144 schwarze 1125:
1.149 schwarze 1126: if ((cmdlen = strlen(argv[0])) >= 4) {
1.144 schwarze 1127: cp = argv[0] + cmdlen - 4;
1.149 schwarze 1128: if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) {
1129: argv[argc++] = mandoc_strdup("-T");
1130: argv[argc++] = tag_files->tfn;
1131: }
1.144 schwarze 1132: }
1.149 schwarze 1133: argv[argc++] = tag_files->ofn;
1.144 schwarze 1134: argv[argc] = NULL;
1135:
1.130 schwarze 1136: switch (pager_pid = fork()) {
1.95 schwarze 1137: case -1:
1.152 schwarze 1138: err((int)MANDOCLEVEL_SYSERR, "fork");
1.95 schwarze 1139: case 0:
1.129 schwarze 1140: break;
1141: default:
1.165 schwarze 1142: (void)setpgid(pager_pid, 0);
1.182 schwarze 1143: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.165 schwarze 1144: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.163 schwarze 1145: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.166 schwarze 1146: tag_files->pager_pid = pager_pid;
1.150 schwarze 1147: return pager_pid;
1.95 schwarze 1148: }
1149:
1.129 schwarze 1150: /* The child process becomes the pager. */
1.95 schwarze 1151:
1.152 schwarze 1152: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1153: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.149 schwarze 1154: close(tag_files->ofd);
1.206 ! tb 1155: assert(tag_files->tfd == -1);
1.172 schwarze 1156:
1157: /* Do not start the pager before controlling the terminal. */
1158:
1.182 schwarze 1159: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.172 schwarze 1160: nanosleep(&timeout, NULL);
1161:
1.95 schwarze 1162: execvp(argv[0], argv);
1.152 schwarze 1163: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.30 schwarze 1164: }
![[BACK]](/icons/back.gif){kind=icon}
Return to main.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc