Annotation of mandoc/main.c, Revision 1.329
1.329 ! schwarze 1: /* $Id: main.c,v 1.328 2019/07/06 20:05:27 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 *);
1.276 schwarze 101: static void outdata_alloc(struct curparse *);
1.227 schwarze 102: static void parse(struct curparse *, int, const char *);
1.329 ! schwarze 103: static void passthrough(int, int);
1.244 schwarze 104: static pid_t spawn_pager(struct tag_files *);
1.283 schwarze 105: static void usage(enum argmode) __attribute__((__noreturn__));
1.103 schwarze 106: static int woptions(struct curparse *, char *);
1.1 kristaps 107:
1.182 schwarze 108: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 109: static char help_arg[] = "help";
110: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 111:
1.173 schwarze 112:
1.1 kristaps 113: int
114: main(int argc, char *argv[])
115: {
1.229 schwarze 116: struct manconf conf;
1.282 schwarze 117: struct mansearch search;
1.5 kristaps 118: struct curparse curp;
1.304 schwarze 119: struct winsize ws;
1.244 schwarze 120: struct tag_files *tag_files;
1.282 schwarze 121: struct manpage *res, *resp;
122: const char *progname, *sec, *thisarg;
123: char *conf_file, *defpaths, *auxpaths;
1.316 schwarze 124: char *oarg, *tagarg;
1.207 schwarze 125: unsigned char *uc;
1.325 schwarze 126: size_t i, sz, ssz;
1.230 schwarze 127: int prio, best_prio;
1.181 schwarze 128: enum outmode outmode;
1.305 schwarze 129: int fd, startdir;
1.180 schwarze 130: int show_usage;
1.170 schwarze 131: int options;
1.244 schwarze 132: int use_pager;
1.259 schwarze 133: int status, signum;
1.180 schwarze 134: int c;
1.259 schwarze 135: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 136:
1.254 schwarze 137: #if HAVE_PROGNAME
138: progname = getprogname();
139: #else
1.219 schwarze 140: if (argc < 1)
1.254 schwarze 141: progname = mandoc_strdup("mandoc");
142: else if ((progname = strrchr(argv[0], '/')) == NULL)
143: progname = argv[0];
1.54 kristaps 144: else
1.254 schwarze 145: ++progname;
146: setprogname(progname);
1.247 schwarze 147: #endif
1.203 schwarze 148:
1.317 schwarze 149: mandoc_msg_setoutfile(stderr);
1.254 schwarze 150: if (strncmp(progname, "mandocdb", 8) == 0 ||
151: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 152: return mandocdb(argc, argv);
1.179 schwarze 153:
1.255 schwarze 154: #if HAVE_PLEDGE
1.329 ! schwarze 155: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {
! 156: mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
! 157: return mandoc_msg_getrc();
! 158: }
1.269 kristaps 159: #endif
160: #if HAVE_SANDBOX_INIT
161: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
162: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 163: #endif
164:
1.180 schwarze 165: /* Search options. */
166:
1.229 schwarze 167: memset(&conf, 0, sizeof(conf));
1.205 schwarze 168: conf_file = defpaths = NULL;
169: auxpaths = NULL;
1.180 schwarze 170:
171: memset(&search, 0, sizeof(struct mansearch));
172: search.outkey = "Nd";
1.282 schwarze 173: oarg = NULL;
1.180 schwarze 174:
1.254 schwarze 175: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 176: search.argmode = ARG_NAME;
1.254 schwarze 177: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 178: search.argmode = ARG_EXPR;
1.254 schwarze 179: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 180: search.argmode = ARG_WORD;
1.254 schwarze 181: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 182: search.argmode = ARG_NAME;
1.180 schwarze 183: else
184: search.argmode = ARG_FILE;
185:
186: /* Parser and formatter options. */
1.54 kristaps 187:
1.51 kristaps 188: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 189: curp.outtype = OUTT_LOCALE;
1.230 schwarze 190: curp.outopts = &conf.output;
1.194 schwarze 191: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.19 kristaps 192:
1.244 schwarze 193: use_pager = 1;
194: tag_files = NULL;
1.180 schwarze 195: show_usage = 0;
1.181 schwarze 196: outmode = OUTMODE_DEF;
1.183 schwarze 197:
1.289 schwarze 198: while ((c = getopt(argc, argv,
199: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
200: if (c == 'i' && search.argmode == ARG_EXPR) {
201: optind--;
202: break;
203: }
1.1 kristaps 204: switch (c) {
1.181 schwarze 205: case 'a':
206: outmode = OUTMODE_ALL;
207: break;
1.180 schwarze 208: case 'C':
209: conf_file = optarg;
210: break;
1.183 schwarze 211: case 'c':
1.244 schwarze 212: use_pager = 0;
1.183 schwarze 213: break;
1.180 schwarze 214: case 'f':
215: search.argmode = ARG_WORD;
216: break;
1.190 schwarze 217: case 'h':
1.230 schwarze 218: conf.output.synopsisonly = 1;
1.244 schwarze 219: use_pager = 0;
1.190 schwarze 220: outmode = OUTMODE_ALL;
221: break;
1.173 schwarze 222: case 'I':
1.329 ! schwarze 223: if (strncmp(optarg, "os=", 3) != 0) {
! 224: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
! 225: "-I %s", optarg);
! 226: return mandoc_msg_getrc();
1.166 schwarze 227: }
1.293 schwarze 228: if (curp.os_s != NULL) {
1.329 ! schwarze 229: mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,
! 230: "-I %s", optarg);
! 231: return mandoc_msg_getrc();
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':
1.329 ! schwarze 236: options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
! 237: if (strcmp(optarg, "utf-8") == 0)
! 238: options |= MPARSE_UTF8;
! 239: else if (strcmp(optarg, "iso-8859-1") == 0)
! 240: options |= MPARSE_LATIN1;
! 241: else if (strcmp(optarg, "us-ascii") != 0) {
! 242: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
! 243: "-K %s", optarg);
! 244: return mandoc_msg_getrc();
! 245: }
1.194 schwarze 246: break;
1.180 schwarze 247: case 'k':
248: search.argmode = ARG_EXPR;
249: break;
1.188 schwarze 250: case 'l':
251: search.argmode = ARG_FILE;
252: outmode = OUTMODE_ALL;
253: break;
1.180 schwarze 254: case 'M':
255: defpaths = optarg;
256: break;
1.173 schwarze 257: case 'm':
1.180 schwarze 258: auxpaths = optarg;
1.10 kristaps 259: break;
1.173 schwarze 260: case 'O':
1.282 schwarze 261: oarg = optarg;
1.44 kristaps 262: break;
1.180 schwarze 263: case 'S':
264: search.arch = optarg;
265: break;
266: case 's':
267: search.sec = optarg;
268: break;
1.173 schwarze 269: case 'T':
1.329 ! schwarze 270: if (strcmp(optarg, "ascii") == 0)
! 271: curp.outtype = OUTT_ASCII;
! 272: else if (strcmp(optarg, "lint") == 0) {
! 273: curp.outtype = OUTT_LINT;
! 274: mandoc_msg_setoutfile(stdout);
! 275: mandoc_msg_setmin(MANDOCERR_BASE);
! 276: } else if (strcmp(optarg, "tree") == 0)
! 277: curp.outtype = OUTT_TREE;
! 278: else if (strcmp(optarg, "man") == 0)
! 279: curp.outtype = OUTT_MAN;
! 280: else if (strcmp(optarg, "html") == 0)
! 281: curp.outtype = OUTT_HTML;
! 282: else if (strcmp(optarg, "markdown") == 0)
! 283: curp.outtype = OUTT_MARKDOWN;
! 284: else if (strcmp(optarg, "utf8") == 0)
! 285: curp.outtype = OUTT_UTF8;
! 286: else if (strcmp(optarg, "locale") == 0)
! 287: curp.outtype = OUTT_LOCALE;
! 288: else if (strcmp(optarg, "ps") == 0)
! 289: curp.outtype = OUTT_PS;
! 290: else if (strcmp(optarg, "pdf") == 0)
! 291: curp.outtype = OUTT_PDF;
! 292: else {
! 293: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
! 294: "-T %s", optarg);
! 295: return mandoc_msg_getrc();
! 296: }
1.1 kristaps 297: break;
1.173 schwarze 298: case 'W':
1.329 ! schwarze 299: if (woptions(&curp, optarg) == -1)
! 300: return mandoc_msg_getrc();
1.1 kristaps 301: break;
1.181 schwarze 302: case 'w':
303: outmode = OUTMODE_FLN;
304: break;
1.1 kristaps 305: default:
1.180 schwarze 306: show_usage = 1;
307: break;
1.1 kristaps 308: }
1.180 schwarze 309: }
310:
311: if (show_usage)
312: usage(search.argmode);
313:
1.185 schwarze 314: /* Postprocess options. */
315:
1.181 schwarze 316: if (outmode == OUTMODE_DEF) {
317: switch (search.argmode) {
318: case ARG_FILE:
319: outmode = OUTMODE_ALL;
1.244 schwarze 320: use_pager = 0;
1.181 schwarze 321: break;
322: case ARG_NAME:
323: outmode = OUTMODE_ONE;
324: break;
325: default:
326: outmode = OUTMODE_LST;
327: break;
1.282 schwarze 328: }
329: }
330:
331: if (oarg != NULL) {
332: if (outmode == OUTMODE_LST)
333: search.outkey = oarg;
334: else {
335: while (oarg != NULL) {
336: if (manconf_output(&conf.output,
1.327 schwarze 337: strsep(&oarg, ","), 0) == -1)
1.329 ! schwarze 338: return mandoc_msg_getrc();
1.282 schwarze 339: }
1.181 schwarze 340: }
341: }
342:
1.315 schwarze 343: if (curp.outtype != OUTT_TREE || !curp.outopts->noval)
344: options |= MPARSE_VALIDATE;
345:
1.246 schwarze 346: if (outmode == OUTMODE_FLN ||
347: outmode == OUTMODE_LST ||
348: !isatty(STDOUT_FILENO))
349: use_pager = 0;
1.304 schwarze 350:
351: if (use_pager &&
352: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 353: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
354: ws.ws_col > 1) {
1.304 schwarze 355: if (conf.output.width == 0 && ws.ws_col < 79)
356: conf.output.width = ws.ws_col - 1;
357: if (conf.output.indent == 0 && ws.ws_col < 66)
358: conf.output.indent = 3;
359: }
1.246 schwarze 360:
1.255 schwarze 361: #if HAVE_PLEDGE
1.329 ! schwarze 362: if (use_pager == 0) {
! 363: if (pledge("stdio rpath", NULL) == -1) {
! 364: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
! 365: "%s", strerror(errno));
! 366: return mandoc_msg_getrc();
! 367: }
! 368: }
1.255 schwarze 369: #endif
370:
1.185 schwarze 371: /* Parse arguments. */
372:
1.219 schwarze 373: if (argc > 0) {
374: argc -= optind;
375: argv += optind;
376: }
1.186 schwarze 377: resp = NULL;
1.185 schwarze 378:
1.202 schwarze 379: /*
380: * Quirks for help(1)
381: * and for a man(1) section argument without -s.
382: */
383:
384: if (search.argmode == ARG_NAME) {
1.254 schwarze 385: if (*progname == 'h') {
1.202 schwarze 386: if (argc == 0) {
387: argv = help_argv;
388: argc = 1;
389: }
1.211 schwarze 390: } else if (argc > 1 &&
1.223 kristaps 391: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 392: ((isdigit(uc[0]) && (uc[1] == '\0' ||
1.324 schwarze 393: isalpha(uc[1]))) ||
1.207 schwarze 394: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 395: search.sec = (char *)uc;
1.202 schwarze 396: argv++;
397: argc--;
398: }
1.216 schwarze 399: if (search.arch == NULL)
400: search.arch = getenv("MACHINE");
1.223 kristaps 401: #ifdef MACHINE
1.216 schwarze 402: if (search.arch == NULL)
403: search.arch = MACHINE;
1.223 kristaps 404: #endif
1.185 schwarze 405: }
1.182 schwarze 406:
1.316 schwarze 407: /*
408: * Use the first argument for -O tag in addition to
409: * using it as a search term for man(1) or apropos(1).
410: */
411:
412: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
413: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
414: strchr(*argv, '=') : NULL;
415: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
416: }
417:
1.180 schwarze 418: /* man(1), whatis(1), apropos(1) */
419:
420: if (search.argmode != ARG_FILE) {
1.199 schwarze 421: if (search.argmode == ARG_NAME &&
422: outmode == OUTMODE_ONE)
423: search.firstmatch = 1;
1.182 schwarze 424:
425: /* Access the mandoc database. */
426:
1.229 schwarze 427: manconf_parse(&conf, conf_file, defpaths, auxpaths);
428: if ( ! mansearch(&search, &conf.manpath,
429: argc, argv, &res, &sz))
1.180 schwarze 430: usage(search.argmode);
1.213 schwarze 431:
1.305 schwarze 432: if (sz == 0 && search.argmode == ARG_NAME)
1.329 ! schwarze 433: (void)fs_search(&search, &conf.manpath,
1.305 schwarze 434: argc, argv, &res, &sz);
435:
436: if (search.argmode == ARG_NAME) {
437: for (c = 0; c < argc; c++) {
438: if (strchr(argv[c], '/') == NULL)
439: continue;
440: if (access(argv[c], R_OK) == -1) {
1.329 ! schwarze 441: mandoc_msg_setinfilename(argv[c]);
! 442: mandoc_msg(MANDOCERR_BADARG_BAD,
! 443: 0, 0, "%s", strerror(errno));
! 444: mandoc_msg_setinfilename(NULL);
1.305 schwarze 445: continue;
446: }
447: res = mandoc_reallocarray(res,
448: sz + 1, sizeof(*res));
449: res[sz].file = mandoc_strdup(argv[c]);
450: res[sz].names = NULL;
451: res[sz].output = NULL;
1.323 schwarze 452: res[sz].bits = 0;
1.305 schwarze 453: res[sz].ipath = SIZE_MAX;
454: res[sz].sec = 10;
455: res[sz].form = FORM_SRC;
456: sz++;
457: }
1.237 schwarze 458: }
1.187 schwarze 459:
460: if (sz == 0) {
1.305 schwarze 461: if (search.argmode != ARG_NAME)
462: warnx("nothing appropriate");
1.312 schwarze 463: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.187 schwarze 464: goto out;
465: }
1.182 schwarze 466:
467: /*
468: * For standard man(1) and -a output mode,
469: * prepare for copying filename pointers
470: * into the program parameter array.
471: */
472:
473: if (outmode == OUTMODE_ONE) {
474: argc = 1;
1.325 schwarze 475: best_prio = 40;
1.186 schwarze 476: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 477: argc = (int)sz;
478:
479: /* Iterate all matching manuals. */
480:
1.213 schwarze 481: resp = res;
1.181 schwarze 482: for (i = 0; i < sz; i++) {
483: if (outmode == OUTMODE_FLN)
484: puts(res[i].file);
1.182 schwarze 485: else if (outmode == OUTMODE_LST)
1.181 schwarze 486: printf("%s - %s\n", res[i].names,
487: res[i].output == NULL ? "" :
488: res[i].output);
1.186 schwarze 489: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 490: /* Search for the best section. */
1.264 schwarze 491: sec = res[i].file;
492: sec += strcspn(sec, "123456789");
493: if (sec[0] == '\0')
1.325 schwarze 494: continue; /* No section at all. */
1.264 schwarze 495: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 496: if (search.sec != NULL) {
497: ssz = strlen(search.sec);
498: if (strncmp(sec, search.sec, ssz) == 0)
499: sec += ssz;
500: } else
501: sec++; /* Prefer without suffix. */
502: if (*sec != '/')
503: prio += 10; /* Wrong dir name. */
504: if (search.sec != NULL &&
505: (strlen(sec) <= ssz + 3 ||
506: strcmp(sec + strlen(sec) - ssz,
507: search.sec) != 0))
508: prio += 20; /* Wrong file ext. */
1.182 schwarze 509: if (prio >= best_prio)
510: continue;
511: best_prio = prio;
1.186 schwarze 512: resp = res + i;
1.182 schwarze 513: }
1.181 schwarze 514: }
1.182 schwarze 515:
516: /*
517: * For man(1), -a and -i output mode, fall through
518: * to the main mandoc(1) code iterating files
519: * and running the parsers on each of them.
520: */
521:
522: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
523: goto out;
1.180 schwarze 524: }
525:
526: /* mandoc(1) */
527:
1.255 schwarze 528: #if HAVE_PLEDGE
1.260 schwarze 529: if (use_pager) {
1.329 ! schwarze 530: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {
! 531: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
! 532: "%s", strerror(errno));
! 533: return mandoc_msg_getrc();
! 534: }
1.260 schwarze 535: } else {
1.329 ! schwarze 536: if (pledge("stdio rpath", NULL) == -1) {
! 537: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
! 538: "%s", strerror(errno));
! 539: return mandoc_msg_getrc();
! 540: }
1.260 schwarze 541: }
1.255 schwarze 542: #endif
543:
1.329 ! schwarze 544: if (search.argmode == ARG_FILE && auxpaths != NULL) {
! 545: if (strcmp(auxpaths, "doc") == 0)
! 546: options |= MPARSE_MDOC;
! 547: else if (strcmp(auxpaths, "an") == 0)
! 548: options |= MPARSE_MAN;
! 549: }
1.241 schwarze 550:
1.249 schwarze 551: mchars_alloc();
1.312 schwarze 552: curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);
1.154 kristaps 553:
1.219 schwarze 554: if (argc < 1) {
1.316 schwarze 555: if (use_pager) {
1.244 schwarze 556: tag_files = tag_init();
1.328 schwarze 557: if (tag_files != NULL)
558: tag_files->tagname = conf.output.tag;
1.316 schwarze 559: }
1.312 schwarze 560: thisarg = "<stdin>";
561: mandoc_msg_setinfilename(thisarg);
562: parse(&curp, STDIN_FILENO, thisarg);
563: mandoc_msg_setinfilename(NULL);
1.212 schwarze 564: }
1.64 kristaps 565:
1.305 schwarze 566: /*
567: * Remember the original working directory, if possible.
568: * This will be needed if some names on the command line
569: * are page names and some are relative file names.
570: * Do not error out if the current directory is not
571: * readable: Maybe it won't be needed after all.
572: */
573: startdir = open(".", O_RDONLY | O_DIRECTORY);
574:
1.219 schwarze 575: while (argc > 0) {
1.305 schwarze 576:
577: /*
578: * Changing directories is not needed in ARG_FILE mode.
579: * Do it on a best-effort basis. Even in case of
580: * failure, some functionality may still work.
581: */
582: if (resp != NULL) {
583: if (resp->ipath != SIZE_MAX)
584: (void)chdir(conf.manpath.paths[resp->ipath]);
585: else if (startdir != -1)
586: (void)fchdir(startdir);
1.312 schwarze 587: thisarg = resp->file;
588: } else
589: thisarg = *argv;
1.305 schwarze 590:
1.329 ! schwarze 591: mandoc_msg_setinfilename(thisarg);
1.312 schwarze 592: fd = mparse_open(curp.mp, thisarg);
1.212 schwarze 593: if (fd != -1) {
1.244 schwarze 594: if (use_pager) {
1.309 schwarze 595: use_pager = 0;
1.244 schwarze 596: tag_files = tag_init();
1.328 schwarze 597: if (tag_files != NULL)
598: tag_files->tagname = conf.output.tag;
1.244 schwarze 599: }
1.212 schwarze 600:
1.312 schwarze 601: if (resp == NULL || resp->form == FORM_SRC)
602: parse(&curp, fd, thisarg);
1.305 schwarze 603: else
1.329 ! schwarze 604: passthrough(fd, conf.output.synopsisonly);
1.302 schwarze 605:
606: if (ferror(stdout)) {
607: if (tag_files != NULL) {
1.329 ! schwarze 608: mandoc_msg(MANDOCERR_WRITE, 0, 0,
! 609: "%s: %s", tag_files->ofn,
! 610: strerror(errno));
1.302 schwarze 611: tag_unlink();
612: tag_files = NULL;
613: } else
1.329 ! schwarze 614: mandoc_msg(MANDOCERR_WRITE, 0, 0,
! 615: "%s", strerror(errno));
1.302 schwarze 616: break;
617: }
1.212 schwarze 618:
1.276 schwarze 619: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
620: if (curp.outdata == NULL)
621: outdata_alloc(&curp);
1.267 schwarze 622: terminal_sepline(curp.outdata);
1.276 schwarze 623: }
1.314 schwarze 624: } else
1.329 ! schwarze 625: mandoc_msg(resp == NULL ? MANDOCERR_BADARG_BAD :
! 626: MANDOCERR_OPEN, 0, 0, "%s", strerror(errno));
! 627:
! 628: mandoc_msg_setinfilename(NULL);
1.192 schwarze 629:
1.312 schwarze 630: if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 631: break;
1.210 schwarze 632:
1.212 schwarze 633: if (resp != NULL)
634: resp++;
635: else
636: argv++;
637: if (--argc)
638: mparse_reset(curp.mp);
1.1 kristaps 639: }
1.305 schwarze 640: if (startdir != -1) {
641: (void)fchdir(startdir);
642: close(startdir);
643: }
1.1 kristaps 644:
1.252 schwarze 645: if (curp.outdata != NULL) {
646: switch (curp.outtype) {
647: case OUTT_HTML:
648: html_free(curp.outdata);
649: break;
650: case OUTT_UTF8:
651: case OUTT_LOCALE:
652: case OUTT_ASCII:
653: ascii_free(curp.outdata);
654: break;
655: case OUTT_PDF:
656: case OUTT_PS:
657: pspdf_free(curp.outdata);
658: break;
659: default:
660: break;
661: }
1.250 schwarze 662: }
1.294 schwarze 663: mandoc_xr_free();
1.195 schwarze 664: mparse_free(curp.mp);
1.249 schwarze 665: mchars_free();
1.182 schwarze 666:
667: out:
668: if (search.argmode != ARG_FILE) {
1.229 schwarze 669: manconf_free(&conf);
1.182 schwarze 670: mansearch_free(res, sz);
671: }
672:
1.293 schwarze 673: free(curp.os_s);
1.1 kristaps 674:
1.224 schwarze 675: /*
1.244 schwarze 676: * When using a pager, finish writing both temporary files,
677: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 678: */
679:
1.244 schwarze 680: if (tag_files != NULL) {
1.225 schwarze 681: fclose(stdout);
1.239 schwarze 682: tag_write();
1.259 schwarze 683: man_pgid = getpgid(0);
684: tag_files->tcpgid = man_pgid == getpid() ?
685: getpgid(getppid()) : man_pgid;
686: pager_pid = 0;
687: signum = SIGSTOP;
1.258 schwarze 688: for (;;) {
1.259 schwarze 689:
690: /* Stop here until moved to the foreground. */
691:
1.279 schwarze 692: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 693: if (tc_pgid != man_pgid) {
694: if (tc_pgid == pager_pid) {
1.279 schwarze 695: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 696: man_pgid);
697: if (signum == SIGTTIN)
698: continue;
699: } else
700: tag_files->tcpgid = tc_pgid;
701: kill(0, signum);
702: continue;
703: }
704:
705: /* Once in the foreground, activate the pager. */
706:
707: if (pager_pid) {
1.279 schwarze 708: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 709: kill(pager_pid, SIGCONT);
710: } else
711: pager_pid = spawn_pager(tag_files);
712:
713: /* Wait for the pager to stop or exit. */
714:
715: while ((pid = waitpid(pager_pid, &status,
716: WUNTRACED)) == -1 && errno == EINTR)
717: continue;
718:
719: if (pid == -1) {
1.329 ! schwarze 720: mandoc_msg(MANDOCERR_WAIT, 0, 0,
! 721: "%s", strerror(errno));
1.258 schwarze 722: break;
723: }
724: if (!WIFSTOPPED(status))
725: break;
726:
1.259 schwarze 727: signum = WSTOPSIG(status);
1.258 schwarze 728: }
1.239 schwarze 729: tag_unlink();
1.225 schwarze 730: }
1.312 schwarze 731: return (int)mandoc_msg_getrc();
1.1 kristaps 732: }
733:
1.55 kristaps 734: static void
1.180 schwarze 735: usage(enum argmode argmode)
1.1 kristaps 736: {
1.180 schwarze 737: switch (argmode) {
738: case ARG_FILE:
1.287 schwarze 739: fputs("usage: mandoc [-ac] [-I os=name] "
740: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 741: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 742: break;
743: case ARG_NAME:
1.287 schwarze 744: fputs("usage: man [-acfhklw] [-C file] [-M path] "
745: "[-m path] [-S subsection]\n"
746: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 747: break;
748: case ARG_WORD:
1.287 schwarze 749: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 750: "[-M path] [-m path] [-O outkey] [-S arch]\n"
751: "\t [-s section] name ...\n", stderr);
1.180 schwarze 752: break;
753: case ARG_EXPR:
1.287 schwarze 754: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 755: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 756: "\t [-s section] expression ...\n", stderr);
757: break;
758: }
1.105 kristaps 759: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 760: }
1.213 schwarze 761:
762: static int
763: fs_lookup(const struct manpaths *paths, size_t ipath,
764: const char *sec, const char *arch, const char *name,
765: struct manpage **res, size_t *ressz)
766: {
1.326 schwarze 767: struct stat sb;
1.222 schwarze 768: glob_t globinfo;
1.213 schwarze 769: struct manpage *page;
770: char *file;
1.274 schwarze 771: int globres;
772: enum form form;
1.213 schwarze 773:
1.222 schwarze 774: form = FORM_SRC;
1.213 schwarze 775: mandoc_asprintf(&file, "%s/man%s/%s.%s",
776: paths->paths[ipath], sec, name, sec);
1.326 schwarze 777: if (stat(file, &sb) != -1)
1.213 schwarze 778: goto found;
779: free(file);
780:
781: mandoc_asprintf(&file, "%s/cat%s/%s.0",
782: paths->paths[ipath], sec, name);
1.326 schwarze 783: if (stat(file, &sb) != -1) {
1.213 schwarze 784: form = FORM_CAT;
785: goto found;
786: }
787: free(file);
788:
789: if (arch != NULL) {
790: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
791: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 792: if (stat(file, &sb) != -1)
1.213 schwarze 793: goto found;
794: free(file);
795: }
1.222 schwarze 796:
1.240 schwarze 797: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 798: paths->paths[ipath], sec, name);
799: globres = glob(file, 0, NULL, &globinfo);
800: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 ! schwarze 801: mandoc_msg(MANDOCERR_GLOB, 0, 0,
! 802: "%s: %s", file, strerror(errno));
1.222 schwarze 803: free(file);
804: if (globres == 0)
805: file = mandoc_strdup(*globinfo.gl_pathv);
806: globfree(&globinfo);
1.326 schwarze 807: if (globres == 0) {
808: if (stat(file, &sb) != -1)
809: goto found;
810: free(file);
811: }
1.296 schwarze 812: if (res != NULL || ipath + 1 != paths->sz)
1.329 ! schwarze 813: return -1;
1.213 schwarze 814:
1.296 schwarze 815: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 816: globres = stat(file, &sb);
1.296 schwarze 817: free(file);
1.329 ! schwarze 818: return globres;
1.296 schwarze 819:
1.213 schwarze 820: found:
1.266 schwarze 821: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
822: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 823: if (res == NULL) {
824: free(file);
1.329 ! schwarze 825: return 0;
1.296 schwarze 826: }
1.329 ! schwarze 827: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 828: page = *res + (*ressz - 1);
829: page->file = file;
830: page->names = NULL;
831: page->output = NULL;
1.323 schwarze 832: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 833: page->ipath = ipath;
834: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
835: page->form = form;
1.329 ! schwarze 836: return 0;
1.213 schwarze 837: }
838:
1.295 schwarze 839: static int
1.213 schwarze 840: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
841: int argc, char **argv, struct manpage **res, size_t *ressz)
842: {
843: const char *const sections[] =
1.264 schwarze 844: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 845: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
846:
847: size_t ipath, isec, lastsz;
848:
849: assert(cfg->argmode == ARG_NAME);
850:
1.295 schwarze 851: if (res != NULL)
852: *res = NULL;
1.213 schwarze 853: *ressz = lastsz = 0;
854: while (argc) {
855: for (ipath = 0; ipath < paths->sz; ipath++) {
856: if (cfg->sec != NULL) {
857: if (fs_lookup(paths, ipath, cfg->sec,
1.329 ! schwarze 858: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 859: cfg->firstmatch)
1.329 ! schwarze 860: return 0;
1.213 schwarze 861: } else for (isec = 0; isec < nsec; isec++)
862: if (fs_lookup(paths, ipath, sections[isec],
1.329 ! schwarze 863: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 864: cfg->firstmatch)
1.329 ! schwarze 865: return 0;
1.213 schwarze 866: }
1.305 schwarze 867: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 868: strchr(*argv, '/') == NULL) {
1.320 schwarze 869: if (cfg->arch != NULL &&
870: arch_valid(cfg->arch, OSENUM) == 0)
871: warnx("Unknown architecture \"%s\".",
872: cfg->arch);
873: else if (cfg->sec == NULL)
1.307 schwarze 874: warnx("No entry for %s in the manual.",
875: *argv);
876: else
877: warnx("No entry for %s in section %s "
878: "of the manual.", *argv, cfg->sec);
879: }
1.213 schwarze 880: lastsz = *ressz;
881: argv++;
882: argc--;
883: }
1.329 ! schwarze 884: return -1;
1.213 schwarze 885: }
1.68 joerg 886:
1.64 kristaps 887: static void
1.227 schwarze 888: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 889: {
1.315 schwarze 890: struct roff_meta *meta;
1.112 kristaps 891:
1.154 kristaps 892: /* Begin by parsing the file itself. */
1.112 kristaps 893:
1.154 kristaps 894: assert(file);
1.263 schwarze 895: assert(fd >= 0);
1.112 kristaps 896:
1.312 schwarze 897: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 898: if (fd != STDIN_FILENO)
899: close(fd);
1.112 kristaps 900:
1.1 kristaps 901: /*
1.154 kristaps 902: * With -Wstop and warnings or errors of at least the requested
903: * level, do not produce output.
1.1 kristaps 904: */
905:
1.312 schwarze 906: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 907: return;
1.111 kristaps 908:
1.276 schwarze 909: if (curp->outdata == NULL)
910: outdata_alloc(curp);
1.319 schwarze 911: else if (curp->outtype == OUTT_HTML)
912: html_reset(curp);
1.111 kristaps 913:
1.315 schwarze 914: mandoc_xr_reset();
915: meta = mparse_result(curp->mp);
1.250 schwarze 916:
917: /* Execute the out device, if it exists. */
918:
1.315 schwarze 919: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 920: switch (curp->outtype) {
1.173 schwarze 921: case OUTT_HTML:
1.315 schwarze 922: html_mdoc(curp->outdata, meta);
1.111 kristaps 923: break;
1.173 schwarze 924: case OUTT_TREE:
1.315 schwarze 925: tree_mdoc(curp->outdata, meta);
1.111 kristaps 926: break;
1.173 schwarze 927: case OUTT_MAN:
1.315 schwarze 928: man_mdoc(curp->outdata, meta);
1.164 schwarze 929: break;
1.173 schwarze 930: case OUTT_PDF:
931: case OUTT_ASCII:
932: case OUTT_UTF8:
933: case OUTT_LOCALE:
934: case OUTT_PS:
1.315 schwarze 935: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 936: break;
1.285 schwarze 937: case OUTT_MARKDOWN:
1.315 schwarze 938: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 939: break;
1.250 schwarze 940: default:
941: break;
942: }
943: }
1.315 schwarze 944: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 945: switch (curp->outtype) {
946: case OUTT_HTML:
1.315 schwarze 947: html_man(curp->outdata, meta);
1.250 schwarze 948: break;
949: case OUTT_TREE:
1.315 schwarze 950: tree_man(curp->outdata, meta);
1.250 schwarze 951: break;
952: case OUTT_MAN:
1.308 schwarze 953: mparse_copy(curp->mp);
1.250 schwarze 954: break;
955: case OUTT_PDF:
956: case OUTT_ASCII:
957: case OUTT_UTF8:
958: case OUTT_LOCALE:
959: case OUTT_PS:
1.315 schwarze 960: terminal_man(curp->outdata, meta);
1.111 kristaps 961: break;
962: default:
963: break;
964: }
1.276 schwarze 965: }
1.312 schwarze 966: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
967: check_xr();
1.294 schwarze 968: }
969:
970: static void
1.312 schwarze 971: check_xr(void)
1.294 schwarze 972: {
973: static struct manpaths paths;
974: struct mansearch search;
975: struct mandoc_xr *xr;
976: size_t sz;
977:
978: if (paths.sz == 0)
979: manpath_base(&paths);
980:
981: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 982: if (xr->line == -1)
983: continue;
1.294 schwarze 984: search.arch = NULL;
985: search.sec = xr->sec;
986: search.outkey = NULL;
987: search.argmode = ARG_NAME;
988: search.firstmatch = 1;
989: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 990: continue;
1.329 ! schwarze 991: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1)
1.294 schwarze 992: continue;
1.298 schwarze 993: if (xr->count == 1)
1.313 schwarze 994: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
995: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 996: else
1.313 schwarze 997: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
998: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 999: xr->name, xr->sec, xr->count);
1.294 schwarze 1000: }
1.276 schwarze 1001: }
1002:
1003: static void
1004: outdata_alloc(struct curparse *curp)
1005: {
1006: switch (curp->outtype) {
1007: case OUTT_HTML:
1008: curp->outdata = html_alloc(curp->outopts);
1009: break;
1010: case OUTT_UTF8:
1011: curp->outdata = utf8_alloc(curp->outopts);
1012: break;
1013: case OUTT_LOCALE:
1014: curp->outdata = locale_alloc(curp->outopts);
1015: break;
1016: case OUTT_ASCII:
1017: curp->outdata = ascii_alloc(curp->outopts);
1018: break;
1019: case OUTT_PDF:
1020: curp->outdata = pdf_alloc(curp->outopts);
1021: break;
1022: case OUTT_PS:
1023: curp->outdata = ps_alloc(curp->outopts);
1024: break;
1025: default:
1026: break;
1.111 kristaps 1027: }
1.186 schwarze 1028: }
1029:
1.227 schwarze 1030: static void
1.329 ! schwarze 1031: passthrough(int fd, int synopsis_only)
1.186 schwarze 1032: {
1.197 schwarze 1033: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
1034: const char synr[] = "SYNOPSIS";
1035:
1036: FILE *stream;
1.257 schwarze 1037: char *line, *cp;
1038: size_t linesz;
1.277 schwarze 1039: ssize_t len, written;
1.329 ! schwarze 1040: int lno, print;
1.210 schwarze 1041:
1.329 ! schwarze 1042: stream = NULL;
1.257 schwarze 1043: line = NULL;
1044: linesz = 0;
1.197 schwarze 1045:
1.277 schwarze 1046: if (fflush(stdout) == EOF) {
1.329 ! schwarze 1047: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
! 1048: goto done;
1.277 schwarze 1049: }
1.197 schwarze 1050: if ((stream = fdopen(fd, "r")) == NULL) {
1051: close(fd);
1.329 ! schwarze 1052: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
! 1053: goto done;
1.197 schwarze 1054: }
1.186 schwarze 1055:
1.329 ! schwarze 1056: lno = print = 0;
1.277 schwarze 1057: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 ! schwarze 1058: lno++;
1.257 schwarze 1059: cp = line;
1.197 schwarze 1060: if (synopsis_only) {
1061: if (print) {
1.257 schwarze 1062: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1063: goto done;
1.277 schwarze 1064: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1065: cp++;
1.277 schwarze 1066: len--;
1067: }
1.197 schwarze 1068: } else {
1.257 schwarze 1069: if (strcmp(cp, synb) == 0 ||
1070: strcmp(cp, synr) == 0)
1.197 schwarze 1071: print = 1;
1072: continue;
1073: }
1074: }
1.277 schwarze 1075: for (; len > 0; len -= written) {
1.329 ! schwarze 1076: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
! 1077: mandoc_msg(MANDOCERR_WRITE, 0, 0,
! 1078: "%s", strerror(errno));
! 1079: goto done;
! 1080: }
1.257 schwarze 1081: }
1.197 schwarze 1082: }
1.329 ! schwarze 1083: if (ferror(stream))
! 1084: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1085:
1.197 schwarze 1086: done:
1.257 schwarze 1087: free(line);
1.329 ! schwarze 1088: if (stream != NULL)
! 1089: fclose(stream);
1.1 kristaps 1090: }
1091:
1092: static int
1.103 schwarze 1093: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1094: {
1.34 kristaps 1095: char *v, *o;
1.293 schwarze 1096: const char *toks[11];
1.1 kristaps 1097:
1.103 schwarze 1098: toks[0] = "stop";
1099: toks[1] = "all";
1.293 schwarze 1100: toks[2] = "base";
1101: toks[3] = "style";
1102: toks[4] = "warning";
1103: toks[5] = "error";
1104: toks[6] = "unsupp";
1105: toks[7] = "fatal";
1106: toks[8] = "openbsd";
1107: toks[9] = "netbsd";
1108: toks[10] = NULL;
1.1 kristaps 1109:
1.34 kristaps 1110: while (*arg) {
1111: o = arg;
1.272 schwarze 1112: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1113: case 0:
1.103 schwarze 1114: curp->wstop = 1;
1.1 kristaps 1115: break;
1.173 schwarze 1116: case 1:
1117: case 2:
1.312 schwarze 1118: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1119: break;
1120: case 3:
1.312 schwarze 1121: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1122: break;
1.290 schwarze 1123: case 4:
1.312 schwarze 1124: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1125: break;
1.290 schwarze 1126: case 5:
1.312 schwarze 1127: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1128: break;
1.290 schwarze 1129: case 6:
1.312 schwarze 1130: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1131: break;
1132: case 7:
1.329 ! schwarze 1133: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1134: break;
1135: case 8:
1.312 schwarze 1136: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1137: curp->os_e = MANDOC_OS_OPENBSD;
1138: break;
1139: case 9:
1.312 schwarze 1140: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1141: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1142: break;
1.1 kristaps 1143: default:
1.329 ! schwarze 1144: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
! 1145: return -1;
1.1 kristaps 1146: }
1.34 kristaps 1147: }
1.329 ! schwarze 1148: return 0;
1.183 schwarze 1149: }
1150:
1.225 schwarze 1151: static pid_t
1.244 schwarze 1152: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1153: {
1.265 schwarze 1154: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1155: #define MAX_PAGER_ARGS 16
1156: char *argv[MAX_PAGER_ARGS];
1157: const char *pager;
1158: char *cp;
1.322 schwarze 1159: #if HAVE_LESS_T
1.239 schwarze 1160: size_t cmdlen;
1.322 schwarze 1161: #endif
1.309 schwarze 1162: int argc, use_ofn;
1.225 schwarze 1163: pid_t pager_pid;
1.183 schwarze 1164:
1.239 schwarze 1165: pager = getenv("MANPAGER");
1166: if (pager == NULL || *pager == '\0')
1167: pager = getenv("PAGER");
1168: if (pager == NULL || *pager == '\0')
1169: pager = "more -s";
1170: cp = mandoc_strdup(pager);
1171:
1172: /*
1173: * Parse the pager command into words.
1174: * Intentionally do not do anything fancy here.
1175: */
1176:
1177: argc = 0;
1.309 schwarze 1178: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1179: argv[argc++] = cp;
1180: cp = strchr(cp, ' ');
1181: if (cp == NULL)
1182: break;
1183: *cp++ = '\0';
1184: while (*cp == ' ')
1185: cp++;
1186: if (*cp == '\0')
1187: break;
1188: }
1189:
1.268 schwarze 1190: /* For less(1), use the tag file. */
1.239 schwarze 1191:
1.309 schwarze 1192: use_ofn = 1;
1.322 schwarze 1193: #if HAVE_LESS_T
1.244 schwarze 1194: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1195: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1196: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1197: argv[argc++] = mandoc_strdup("-T");
1198: argv[argc++] = tag_files->tfn;
1.309 schwarze 1199: if (tag_files->tagname != NULL) {
1200: argv[argc++] = mandoc_strdup("-t");
1201: argv[argc++] = tag_files->tagname;
1202: use_ofn = 0;
1203: }
1.244 schwarze 1204: }
1.239 schwarze 1205: }
1.322 schwarze 1206: #endif
1.309 schwarze 1207: if (use_ofn)
1208: argv[argc++] = tag_files->ofn;
1.239 schwarze 1209: argv[argc] = NULL;
1210:
1.225 schwarze 1211: switch (pager_pid = fork()) {
1.183 schwarze 1212: case -1:
1.329 ! schwarze 1213: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
! 1214: exit(mandoc_msg_getrc());
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
1.329 ! schwarze 1221: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
! 1222: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
! 1223: "%s", strerror(errno));
! 1224: exit(mandoc_msg_getrc());
! 1225: }
1.255 schwarze 1226: #endif
1.259 schwarze 1227: tag_files->pager_pid = pager_pid;
1.245 schwarze 1228: return pager_pid;
1.184 schwarze 1229: }
1230:
1.224 schwarze 1231: /* The child process becomes the pager. */
1.184 schwarze 1232:
1.329 ! schwarze 1233: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {
! 1234: mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));
! 1235: _exit(mandoc_msg_getrc());
! 1236: }
1.244 schwarze 1237: close(tag_files->ofd);
1.303 schwarze 1238: assert(tag_files->tfd == -1);
1.265 schwarze 1239:
1240: /* Do not start the pager before controlling the terminal. */
1241:
1.279 schwarze 1242: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1243: nanosleep(&timeout, NULL);
1244:
1.184 schwarze 1245: execvp(argv[0], argv);
1.329 ! schwarze 1246: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
! 1247: _exit(mandoc_msg_getrc());
1.71 kristaps 1248: }
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