Annotation of mandoc/main.c, Revision 1.326
1.326 ! schwarze 1: /* $Id: main.c,v 1.325 2019/05/03 16:14:42 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.317 schwarze 4: * Copyright (c) 2010-2012, 2014-2019 Ingo Schwarze <schwarze@openbsd.org>
1.169 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.25 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.229 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.25 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.229 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.25 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.58 kristaps 19: #include "config.h"
1.178 schwarze 20:
21: #include <sys/types.h>
1.304 schwarze 22: #include <sys/ioctl.h>
1.216 schwarze 23: #include <sys/param.h> /* MACHINE */
1.326 ! schwarze 24: #include <sys/stat.h>
1.224 schwarze 25: #include <sys/wait.h>
1.58 kristaps 26:
1.1 kristaps 27: #include <assert.h>
1.185 schwarze 28: #include <ctype.h>
1.256 schwarze 29: #if HAVE_ERR
1.247 schwarze 30: #include <err.h>
1.256 schwarze 31: #endif
1.258 schwarze 32: #include <errno.h>
1.186 schwarze 33: #include <fcntl.h>
1.222 schwarze 34: #include <glob.h>
1.269 kristaps 35: #if HAVE_SANDBOX_INIT
36: #include <sandbox.h>
37: #endif
1.226 schwarze 38: #include <signal.h>
1.1 kristaps 39: #include <stdio.h>
1.45 kristaps 40: #include <stdint.h>
1.1 kristaps 41: #include <stdlib.h>
42: #include <string.h>
1.321 schwarze 43: #include <termios.h>
1.265 schwarze 44: #include <time.h>
1.1 kristaps 45: #include <unistd.h>
46:
1.231 schwarze 47: #include "mandoc_aux.h"
1.71 kristaps 48: #include "mandoc.h"
1.294 schwarze 49: #include "mandoc_xr.h"
1.231 schwarze 50: #include "roff.h"
1.1 kristaps 51: #include "mdoc.h"
1.10 kristaps 52: #include "man.h"
1.311 schwarze 53: #include "mandoc_parse.h"
1.239 schwarze 54: #include "tag.h"
1.231 schwarze 55: #include "main.h"
1.229 schwarze 56: #include "manconf.h"
1.180 schwarze 57: #include "mansearch.h"
1.16 kristaps 58:
1.181 schwarze 59: enum outmode {
60: OUTMODE_DEF = 0,
61: OUTMODE_FLN,
62: OUTMODE_LST,
63: OUTMODE_ALL,
64: OUTMODE_ONE
65: };
66:
1.19 kristaps 67: enum outt {
1.154 kristaps 68: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 69: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 70: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 71: OUTT_TREE, /* -Ttree */
1.164 schwarze 72: OUTT_MAN, /* -Tman */
1.154 kristaps 73: OUTT_HTML, /* -Thtml */
1.285 schwarze 74: OUTT_MARKDOWN, /* -Tmarkdown */
1.154 kristaps 75: OUTT_LINT, /* -Tlint */
76: OUTT_PS, /* -Tps */
77: OUTT_PDF /* -Tpdf */
1.19 kristaps 78: };
79:
1.5 kristaps 80: struct curparse {
1.154 kristaps 81: struct mparse *mp;
1.293 schwarze 82: struct manoutput *outopts; /* output options */
83: void *outdata; /* data for output */
84: char *os_s; /* operating system for display */
1.148 kristaps 85: int wstop; /* stop after a file with a warning */
1.293 schwarze 86: enum mandoc_os os_e; /* check base system conventions */
1.173 schwarze 87: enum outt outtype; /* which output to use */
1.79 kristaps 88: };
1.270 schwarze 89:
90:
91: int mandocdb(int, char *[]);
1.79 kristaps 92:
1.312 schwarze 93: static void check_xr(void);
1.213 schwarze 94: static int fs_lookup(const struct manpaths *,
95: size_t ipath, const char *,
96: const char *, const char *,
97: struct manpage **, size_t *);
1.295 schwarze 98: static int fs_search(const struct mansearch *,
1.213 schwarze 99: const struct manpaths *, int, char**,
100: struct manpage **, size_t *);
1.194 schwarze 101: static int koptions(int *, char *);
1.286 schwarze 102: static void moptions(int *, char *);
1.276 schwarze 103: static void outdata_alloc(struct curparse *);
1.227 schwarze 104: static void parse(struct curparse *, int, const char *);
105: static void passthrough(const char *, int, int);
1.244 schwarze 106: static pid_t spawn_pager(struct tag_files *);
1.66 kristaps 107: static int toptions(struct curparse *, char *);
1.283 schwarze 108: static void usage(enum argmode) __attribute__((__noreturn__));
1.103 schwarze 109: static int woptions(struct curparse *, char *);
1.1 kristaps 110:
1.182 schwarze 111: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 112: static char help_arg[] = "help";
113: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 114:
1.173 schwarze 115:
1.1 kristaps 116: int
117: main(int argc, char *argv[])
118: {
1.229 schwarze 119: struct manconf conf;
1.282 schwarze 120: struct mansearch search;
1.5 kristaps 121: struct curparse curp;
1.304 schwarze 122: struct winsize ws;
1.244 schwarze 123: struct tag_files *tag_files;
1.282 schwarze 124: struct manpage *res, *resp;
125: const char *progname, *sec, *thisarg;
126: char *conf_file, *defpaths, *auxpaths;
1.316 schwarze 127: char *oarg, *tagarg;
1.207 schwarze 128: unsigned char *uc;
1.325 schwarze 129: size_t i, sz, ssz;
1.230 schwarze 130: int prio, best_prio;
1.181 schwarze 131: enum outmode outmode;
1.305 schwarze 132: int fd, startdir;
1.180 schwarze 133: int show_usage;
1.170 schwarze 134: int options;
1.244 schwarze 135: int use_pager;
1.259 schwarze 136: int status, signum;
1.180 schwarze 137: int c;
1.259 schwarze 138: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 139:
1.254 schwarze 140: #if HAVE_PROGNAME
141: progname = getprogname();
142: #else
1.219 schwarze 143: if (argc < 1)
1.254 schwarze 144: progname = mandoc_strdup("mandoc");
145: else if ((progname = strrchr(argv[0], '/')) == NULL)
146: progname = argv[0];
1.54 kristaps 147: else
1.254 schwarze 148: ++progname;
149: setprogname(progname);
1.247 schwarze 150: #endif
1.203 schwarze 151:
1.317 schwarze 152: mandoc_msg_setoutfile(stderr);
1.254 schwarze 153: if (strncmp(progname, "mandocdb", 8) == 0 ||
154: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 155: return mandocdb(argc, argv);
1.179 schwarze 156:
1.255 schwarze 157: #if HAVE_PLEDGE
1.284 schwarze 158: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.255 schwarze 159: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.269 kristaps 160: #endif
161:
162: #if HAVE_SANDBOX_INIT
163: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
164: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 165: #endif
166:
1.180 schwarze 167: /* Search options. */
168:
1.229 schwarze 169: memset(&conf, 0, sizeof(conf));
1.205 schwarze 170: conf_file = defpaths = NULL;
171: auxpaths = NULL;
1.180 schwarze 172:
173: memset(&search, 0, sizeof(struct mansearch));
174: search.outkey = "Nd";
1.282 schwarze 175: oarg = NULL;
1.180 schwarze 176:
1.254 schwarze 177: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 178: search.argmode = ARG_NAME;
1.254 schwarze 179: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 180: search.argmode = ARG_EXPR;
1.254 schwarze 181: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 182: search.argmode = ARG_WORD;
1.254 schwarze 183: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 184: search.argmode = ARG_NAME;
1.180 schwarze 185: else
186: search.argmode = ARG_FILE;
187:
188: /* Parser and formatter options. */
1.54 kristaps 189:
1.51 kristaps 190: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 191: curp.outtype = OUTT_LOCALE;
1.230 schwarze 192: curp.outopts = &conf.output;
1.194 schwarze 193: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.19 kristaps 194:
1.244 schwarze 195: use_pager = 1;
196: tag_files = NULL;
1.180 schwarze 197: show_usage = 0;
1.181 schwarze 198: outmode = OUTMODE_DEF;
1.183 schwarze 199:
1.289 schwarze 200: while ((c = getopt(argc, argv,
201: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
202: if (c == 'i' && search.argmode == ARG_EXPR) {
203: optind--;
204: break;
205: }
1.1 kristaps 206: switch (c) {
1.181 schwarze 207: case 'a':
208: outmode = OUTMODE_ALL;
209: break;
1.180 schwarze 210: case 'C':
211: conf_file = optarg;
212: break;
1.183 schwarze 213: case 'c':
1.244 schwarze 214: use_pager = 0;
1.183 schwarze 215: break;
1.180 schwarze 216: case 'f':
217: search.argmode = ARG_WORD;
218: break;
1.190 schwarze 219: case 'h':
1.230 schwarze 220: conf.output.synopsisonly = 1;
1.244 schwarze 221: use_pager = 0;
1.190 schwarze 222: outmode = OUTMODE_ALL;
223: break;
1.173 schwarze 224: case 'I':
1.166 schwarze 225: if (strncmp(optarg, "os=", 3)) {
1.247 schwarze 226: warnx("-I %s: Bad argument", optarg);
1.245 schwarze 227: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 228: }
1.293 schwarze 229: if (curp.os_s != NULL) {
1.247 schwarze 230: warnx("-I %s: Duplicate argument", optarg);
1.245 schwarze 231: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 232: }
1.293 schwarze 233: curp.os_s = mandoc_strdup(optarg + 3);
1.181 schwarze 234: break;
1.194 schwarze 235: case 'K':
236: if ( ! koptions(&options, optarg))
1.245 schwarze 237: return (int)MANDOCLEVEL_BADARG;
1.194 schwarze 238: break;
1.180 schwarze 239: case 'k':
240: search.argmode = ARG_EXPR;
241: break;
1.188 schwarze 242: case 'l':
243: search.argmode = ARG_FILE;
244: outmode = OUTMODE_ALL;
245: break;
1.180 schwarze 246: case 'M':
247: defpaths = optarg;
248: break;
1.173 schwarze 249: case 'm':
1.180 schwarze 250: auxpaths = optarg;
1.10 kristaps 251: break;
1.173 schwarze 252: case 'O':
1.282 schwarze 253: oarg = optarg;
1.44 kristaps 254: break;
1.180 schwarze 255: case 'S':
256: search.arch = optarg;
257: break;
258: case 's':
259: search.sec = optarg;
260: break;
1.173 schwarze 261: case 'T':
1.60 kristaps 262: if ( ! toptions(&curp, optarg))
1.245 schwarze 263: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 264: break;
1.173 schwarze 265: case 'W':
1.103 schwarze 266: if ( ! woptions(&curp, optarg))
1.245 schwarze 267: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 268: break;
1.181 schwarze 269: case 'w':
270: outmode = OUTMODE_FLN;
271: break;
1.1 kristaps 272: default:
1.180 schwarze 273: show_usage = 1;
274: break;
1.1 kristaps 275: }
1.180 schwarze 276: }
277:
278: if (show_usage)
279: usage(search.argmode);
280:
1.185 schwarze 281: /* Postprocess options. */
282:
1.181 schwarze 283: if (outmode == OUTMODE_DEF) {
284: switch (search.argmode) {
285: case ARG_FILE:
286: outmode = OUTMODE_ALL;
1.244 schwarze 287: use_pager = 0;
1.181 schwarze 288: break;
289: case ARG_NAME:
290: outmode = OUTMODE_ONE;
291: break;
292: default:
293: outmode = OUTMODE_LST;
294: break;
1.282 schwarze 295: }
296: }
297:
298: if (oarg != NULL) {
299: if (outmode == OUTMODE_LST)
300: search.outkey = oarg;
301: else {
302: while (oarg != NULL) {
303: thisarg = oarg;
304: if (manconf_output(&conf.output,
305: strsep(&oarg, ","), 0) == 0)
306: continue;
307: warnx("-O %s: Bad argument", thisarg);
308: return (int)MANDOCLEVEL_BADARG;
309: }
1.181 schwarze 310: }
311: }
312:
1.315 schwarze 313: if (curp.outtype != OUTT_TREE || !curp.outopts->noval)
314: options |= MPARSE_VALIDATE;
315:
1.246 schwarze 316: if (outmode == OUTMODE_FLN ||
317: outmode == OUTMODE_LST ||
318: !isatty(STDOUT_FILENO))
319: use_pager = 0;
1.304 schwarze 320:
321: if (use_pager &&
322: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 323: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
324: ws.ws_col > 1) {
1.304 schwarze 325: if (conf.output.width == 0 && ws.ws_col < 79)
326: conf.output.width = ws.ws_col - 1;
327: if (conf.output.indent == 0 && ws.ws_col < 66)
328: conf.output.indent = 3;
329: }
1.246 schwarze 330:
1.255 schwarze 331: #if HAVE_PLEDGE
1.260 schwarze 332: if (!use_pager)
1.284 schwarze 333: if (pledge("stdio rpath", NULL) == -1)
1.260 schwarze 334: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.255 schwarze 335: #endif
336:
1.185 schwarze 337: /* Parse arguments. */
338:
1.219 schwarze 339: if (argc > 0) {
340: argc -= optind;
341: argv += optind;
342: }
1.186 schwarze 343: resp = NULL;
1.185 schwarze 344:
1.202 schwarze 345: /*
346: * Quirks for help(1)
347: * and for a man(1) section argument without -s.
348: */
349:
350: if (search.argmode == ARG_NAME) {
1.254 schwarze 351: if (*progname == 'h') {
1.202 schwarze 352: if (argc == 0) {
353: argv = help_argv;
354: argc = 1;
355: }
1.211 schwarze 356: } else if (argc > 1 &&
1.223 kristaps 357: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 358: ((isdigit(uc[0]) && (uc[1] == '\0' ||
1.324 schwarze 359: isalpha(uc[1]))) ||
1.207 schwarze 360: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 361: search.sec = (char *)uc;
1.202 schwarze 362: argv++;
363: argc--;
364: }
1.216 schwarze 365: if (search.arch == NULL)
366: search.arch = getenv("MACHINE");
1.223 kristaps 367: #ifdef MACHINE
1.216 schwarze 368: if (search.arch == NULL)
369: search.arch = MACHINE;
1.223 kristaps 370: #endif
1.185 schwarze 371: }
1.182 schwarze 372:
1.316 schwarze 373: /*
374: * Use the first argument for -O tag in addition to
375: * using it as a search term for man(1) or apropos(1).
376: */
377:
378: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
379: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
380: strchr(*argv, '=') : NULL;
381: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
382: }
383:
1.180 schwarze 384: /* man(1), whatis(1), apropos(1) */
385:
386: if (search.argmode != ARG_FILE) {
1.199 schwarze 387: if (search.argmode == ARG_NAME &&
388: outmode == OUTMODE_ONE)
389: search.firstmatch = 1;
1.182 schwarze 390:
391: /* Access the mandoc database. */
392:
1.229 schwarze 393: manconf_parse(&conf, conf_file, defpaths, auxpaths);
394: if ( ! mansearch(&search, &conf.manpath,
395: argc, argv, &res, &sz))
1.180 schwarze 396: usage(search.argmode);
1.213 schwarze 397:
1.305 schwarze 398: if (sz == 0 && search.argmode == ARG_NAME)
399: fs_search(&search, &conf.manpath,
400: argc, argv, &res, &sz);
401:
402: if (search.argmode == ARG_NAME) {
403: for (c = 0; c < argc; c++) {
404: if (strchr(argv[c], '/') == NULL)
405: continue;
406: if (access(argv[c], R_OK) == -1) {
407: warn("%s", argv[c]);
408: continue;
409: }
410: res = mandoc_reallocarray(res,
411: sz + 1, sizeof(*res));
412: res[sz].file = mandoc_strdup(argv[c]);
413: res[sz].names = NULL;
414: res[sz].output = NULL;
1.323 schwarze 415: res[sz].bits = 0;
1.305 schwarze 416: res[sz].ipath = SIZE_MAX;
417: res[sz].sec = 10;
418: res[sz].form = FORM_SRC;
419: sz++;
420: }
1.237 schwarze 421: }
1.187 schwarze 422:
423: if (sz == 0) {
1.305 schwarze 424: if (search.argmode != ARG_NAME)
425: warnx("nothing appropriate");
1.312 schwarze 426: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.187 schwarze 427: goto out;
428: }
1.182 schwarze 429:
430: /*
431: * For standard man(1) and -a output mode,
432: * prepare for copying filename pointers
433: * into the program parameter array.
434: */
435:
436: if (outmode == OUTMODE_ONE) {
437: argc = 1;
1.325 schwarze 438: best_prio = 40;
1.186 schwarze 439: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 440: argc = (int)sz;
441:
442: /* Iterate all matching manuals. */
443:
1.213 schwarze 444: resp = res;
1.181 schwarze 445: for (i = 0; i < sz; i++) {
446: if (outmode == OUTMODE_FLN)
447: puts(res[i].file);
1.182 schwarze 448: else if (outmode == OUTMODE_LST)
1.181 schwarze 449: printf("%s - %s\n", res[i].names,
450: res[i].output == NULL ? "" :
451: res[i].output);
1.186 schwarze 452: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 453: /* Search for the best section. */
1.264 schwarze 454: sec = res[i].file;
455: sec += strcspn(sec, "123456789");
456: if (sec[0] == '\0')
1.325 schwarze 457: continue; /* No section at all. */
1.264 schwarze 458: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 459: if (search.sec != NULL) {
460: ssz = strlen(search.sec);
461: if (strncmp(sec, search.sec, ssz) == 0)
462: sec += ssz;
463: } else
464: sec++; /* Prefer without suffix. */
465: if (*sec != '/')
466: prio += 10; /* Wrong dir name. */
467: if (search.sec != NULL &&
468: (strlen(sec) <= ssz + 3 ||
469: strcmp(sec + strlen(sec) - ssz,
470: search.sec) != 0))
471: prio += 20; /* Wrong file ext. */
1.182 schwarze 472: if (prio >= best_prio)
473: continue;
474: best_prio = prio;
1.186 schwarze 475: resp = res + i;
1.182 schwarze 476: }
1.181 schwarze 477: }
1.182 schwarze 478:
479: /*
480: * For man(1), -a and -i output mode, fall through
481: * to the main mandoc(1) code iterating files
482: * and running the parsers on each of them.
483: */
484:
485: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
486: goto out;
1.180 schwarze 487: }
488:
489: /* mandoc(1) */
490:
1.255 schwarze 491: #if HAVE_PLEDGE
1.260 schwarze 492: if (use_pager) {
493: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
494: err((int)MANDOCLEVEL_SYSERR, "pledge");
495: } else {
496: if (pledge("stdio rpath", NULL) == -1)
497: err((int)MANDOCLEVEL_SYSERR, "pledge");
498: }
1.255 schwarze 499: #endif
500:
1.286 schwarze 501: if (search.argmode == ARG_FILE)
502: moptions(&options, auxpaths);
1.241 schwarze 503:
1.249 schwarze 504: mchars_alloc();
1.312 schwarze 505: curp.mp = mparse_alloc(options, curp.os_e, curp.os_s);
1.154 kristaps 506:
1.219 schwarze 507: if (argc < 1) {
1.316 schwarze 508: if (use_pager) {
1.244 schwarze 509: tag_files = tag_init();
1.316 schwarze 510: tag_files->tagname = conf.output.tag;
511: }
1.312 schwarze 512: thisarg = "<stdin>";
513: mandoc_msg_setinfilename(thisarg);
514: parse(&curp, STDIN_FILENO, thisarg);
515: mandoc_msg_setinfilename(NULL);
1.212 schwarze 516: }
1.64 kristaps 517:
1.305 schwarze 518: /*
519: * Remember the original working directory, if possible.
520: * This will be needed if some names on the command line
521: * are page names and some are relative file names.
522: * Do not error out if the current directory is not
523: * readable: Maybe it won't be needed after all.
524: */
525: startdir = open(".", O_RDONLY | O_DIRECTORY);
526:
1.219 schwarze 527: while (argc > 0) {
1.305 schwarze 528:
529: /*
530: * Changing directories is not needed in ARG_FILE mode.
531: * Do it on a best-effort basis. Even in case of
532: * failure, some functionality may still work.
533: */
534: if (resp != NULL) {
535: if (resp->ipath != SIZE_MAX)
536: (void)chdir(conf.manpath.paths[resp->ipath]);
537: else if (startdir != -1)
538: (void)fchdir(startdir);
1.312 schwarze 539: thisarg = resp->file;
540: } else
541: thisarg = *argv;
1.305 schwarze 542:
1.312 schwarze 543: fd = mparse_open(curp.mp, thisarg);
1.212 schwarze 544: if (fd != -1) {
1.244 schwarze 545: if (use_pager) {
1.309 schwarze 546: use_pager = 0;
1.244 schwarze 547: tag_files = tag_init();
1.316 schwarze 548: tag_files->tagname = conf.output.tag;
1.244 schwarze 549: }
1.212 schwarze 550:
1.314 schwarze 551: mandoc_msg_setinfilename(thisarg);
1.312 schwarze 552: if (resp == NULL || resp->form == FORM_SRC)
553: parse(&curp, fd, thisarg);
1.305 schwarze 554: else
1.230 schwarze 555: passthrough(resp->file, fd,
556: conf.output.synopsisonly);
1.314 schwarze 557: mandoc_msg_setinfilename(NULL);
1.302 schwarze 558:
559: if (ferror(stdout)) {
560: if (tag_files != NULL) {
561: warn("%s", tag_files->ofn);
562: tag_unlink();
563: tag_files = NULL;
564: } else
565: warn("stdout");
1.312 schwarze 566: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.302 schwarze 567: break;
568: }
1.212 schwarze 569:
1.276 schwarze 570: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
571: if (curp.outdata == NULL)
572: outdata_alloc(&curp);
1.267 schwarze 573: terminal_sepline(curp.outdata);
1.276 schwarze 574: }
1.314 schwarze 575: } else
576: mandoc_msg(MANDOCERR_FILE, 0, 0,
1.318 schwarze 577: "%s: %s", thisarg, strerror(errno));
1.192 schwarze 578:
1.312 schwarze 579: if (curp.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 580: break;
1.210 schwarze 581:
1.212 schwarze 582: if (resp != NULL)
583: resp++;
584: else
585: argv++;
586: if (--argc)
587: mparse_reset(curp.mp);
1.1 kristaps 588: }
1.305 schwarze 589: if (startdir != -1) {
590: (void)fchdir(startdir);
591: close(startdir);
592: }
1.1 kristaps 593:
1.252 schwarze 594: if (curp.outdata != NULL) {
595: switch (curp.outtype) {
596: case OUTT_HTML:
597: html_free(curp.outdata);
598: break;
599: case OUTT_UTF8:
600: case OUTT_LOCALE:
601: case OUTT_ASCII:
602: ascii_free(curp.outdata);
603: break;
604: case OUTT_PDF:
605: case OUTT_PS:
606: pspdf_free(curp.outdata);
607: break;
608: default:
609: break;
610: }
1.250 schwarze 611: }
1.294 schwarze 612: mandoc_xr_free();
1.195 schwarze 613: mparse_free(curp.mp);
1.249 schwarze 614: mchars_free();
1.182 schwarze 615:
616: out:
617: if (search.argmode != ARG_FILE) {
1.229 schwarze 618: manconf_free(&conf);
1.182 schwarze 619: mansearch_free(res, sz);
620: }
621:
1.293 schwarze 622: free(curp.os_s);
1.1 kristaps 623:
1.224 schwarze 624: /*
1.244 schwarze 625: * When using a pager, finish writing both temporary files,
626: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 627: */
628:
1.244 schwarze 629: if (tag_files != NULL) {
1.225 schwarze 630: fclose(stdout);
1.239 schwarze 631: tag_write();
1.259 schwarze 632: man_pgid = getpgid(0);
633: tag_files->tcpgid = man_pgid == getpid() ?
634: getpgid(getppid()) : man_pgid;
635: pager_pid = 0;
636: signum = SIGSTOP;
1.258 schwarze 637: for (;;) {
1.259 schwarze 638:
639: /* Stop here until moved to the foreground. */
640:
1.279 schwarze 641: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 642: if (tc_pgid != man_pgid) {
643: if (tc_pgid == pager_pid) {
1.279 schwarze 644: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 645: man_pgid);
646: if (signum == SIGTTIN)
647: continue;
648: } else
649: tag_files->tcpgid = tc_pgid;
650: kill(0, signum);
651: continue;
652: }
653:
654: /* Once in the foreground, activate the pager. */
655:
656: if (pager_pid) {
1.279 schwarze 657: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 658: kill(pager_pid, SIGCONT);
659: } else
660: pager_pid = spawn_pager(tag_files);
661:
662: /* Wait for the pager to stop or exit. */
663:
664: while ((pid = waitpid(pager_pid, &status,
665: WUNTRACED)) == -1 && errno == EINTR)
666: continue;
667:
668: if (pid == -1) {
1.258 schwarze 669: warn("wait");
1.312 schwarze 670: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.258 schwarze 671: break;
672: }
673: if (!WIFSTOPPED(status))
674: break;
675:
1.259 schwarze 676: signum = WSTOPSIG(status);
1.258 schwarze 677: }
1.239 schwarze 678: tag_unlink();
1.225 schwarze 679: }
1.312 schwarze 680: return (int)mandoc_msg_getrc();
1.1 kristaps 681: }
682:
1.55 kristaps 683: static void
1.180 schwarze 684: usage(enum argmode argmode)
1.1 kristaps 685: {
686:
1.180 schwarze 687: switch (argmode) {
688: case ARG_FILE:
1.287 schwarze 689: fputs("usage: mandoc [-ac] [-I os=name] "
690: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 691: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 692: break;
693: case ARG_NAME:
1.287 schwarze 694: fputs("usage: man [-acfhklw] [-C file] [-M path] "
695: "[-m path] [-S subsection]\n"
696: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 697: break;
698: case ARG_WORD:
1.287 schwarze 699: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 700: "[-M path] [-m path] [-O outkey] [-S arch]\n"
701: "\t [-s section] name ...\n", stderr);
1.180 schwarze 702: break;
703: case ARG_EXPR:
1.287 schwarze 704: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 705: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 706: "\t [-s section] expression ...\n", stderr);
707: break;
708: }
1.105 kristaps 709: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 710: }
1.213 schwarze 711:
712: static int
713: fs_lookup(const struct manpaths *paths, size_t ipath,
714: const char *sec, const char *arch, const char *name,
715: struct manpage **res, size_t *ressz)
716: {
1.326 ! schwarze 717: struct stat sb;
1.222 schwarze 718: glob_t globinfo;
1.213 schwarze 719: struct manpage *page;
720: char *file;
1.274 schwarze 721: int globres;
722: enum form form;
1.213 schwarze 723:
1.222 schwarze 724: form = FORM_SRC;
1.213 schwarze 725: mandoc_asprintf(&file, "%s/man%s/%s.%s",
726: paths->paths[ipath], sec, name, sec);
1.326 ! schwarze 727: if (stat(file, &sb) != -1)
1.213 schwarze 728: goto found;
729: free(file);
730:
731: mandoc_asprintf(&file, "%s/cat%s/%s.0",
732: paths->paths[ipath], sec, name);
1.326 ! schwarze 733: if (stat(file, &sb) != -1) {
1.213 schwarze 734: form = FORM_CAT;
735: goto found;
736: }
737: free(file);
738:
739: if (arch != NULL) {
740: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
741: paths->paths[ipath], sec, arch, name, sec);
1.326 ! schwarze 742: if (stat(file, &sb) != -1)
1.213 schwarze 743: goto found;
744: free(file);
745: }
1.222 schwarze 746:
1.240 schwarze 747: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 748: paths->paths[ipath], sec, name);
749: globres = glob(file, 0, NULL, &globinfo);
750: if (globres != 0 && globres != GLOB_NOMATCH)
1.247 schwarze 751: warn("%s: glob", file);
1.222 schwarze 752: free(file);
753: if (globres == 0)
754: file = mandoc_strdup(*globinfo.gl_pathv);
755: globfree(&globinfo);
1.326 ! schwarze 756: if (globres == 0) {
! 757: if (stat(file, &sb) != -1)
! 758: goto found;
! 759: free(file);
! 760: }
1.296 schwarze 761: if (res != NULL || ipath + 1 != paths->sz)
1.245 schwarze 762: return 0;
1.213 schwarze 763:
1.296 schwarze 764: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 ! schwarze 765: globres = stat(file, &sb);
1.296 schwarze 766: free(file);
767: return globres != -1;
768:
1.213 schwarze 769: found:
1.266 schwarze 770: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
771: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 772: if (res == NULL) {
773: free(file);
1.295 schwarze 774: return 1;
1.296 schwarze 775: }
1.213 schwarze 776: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
777: page = *res + (*ressz - 1);
778: page->file = file;
779: page->names = NULL;
780: page->output = NULL;
1.323 schwarze 781: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 782: page->ipath = ipath;
783: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
784: page->form = form;
1.245 schwarze 785: return 1;
1.213 schwarze 786: }
787:
1.295 schwarze 788: static int
1.213 schwarze 789: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
790: int argc, char **argv, struct manpage **res, size_t *ressz)
791: {
792: const char *const sections[] =
1.264 schwarze 793: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 794: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
795:
796: size_t ipath, isec, lastsz;
797:
798: assert(cfg->argmode == ARG_NAME);
799:
1.295 schwarze 800: if (res != NULL)
801: *res = NULL;
1.213 schwarze 802: *ressz = lastsz = 0;
803: while (argc) {
804: for (ipath = 0; ipath < paths->sz; ipath++) {
805: if (cfg->sec != NULL) {
806: if (fs_lookup(paths, ipath, cfg->sec,
807: cfg->arch, *argv, res, ressz) &&
808: cfg->firstmatch)
1.295 schwarze 809: return 1;
1.213 schwarze 810: } else for (isec = 0; isec < nsec; isec++)
811: if (fs_lookup(paths, ipath, sections[isec],
812: cfg->arch, *argv, res, ressz) &&
813: cfg->firstmatch)
1.295 schwarze 814: return 1;
1.213 schwarze 815: }
1.305 schwarze 816: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 817: strchr(*argv, '/') == NULL) {
1.320 schwarze 818: if (cfg->arch != NULL &&
819: arch_valid(cfg->arch, OSENUM) == 0)
820: warnx("Unknown architecture \"%s\".",
821: cfg->arch);
822: else if (cfg->sec == NULL)
1.307 schwarze 823: warnx("No entry for %s in the manual.",
824: *argv);
825: else
826: warnx("No entry for %s in section %s "
827: "of the manual.", *argv, cfg->sec);
828: }
1.213 schwarze 829: lastsz = *ressz;
830: argv++;
831: argc--;
832: }
1.295 schwarze 833: return 0;
1.213 schwarze 834: }
1.68 joerg 835:
1.64 kristaps 836: static void
1.227 schwarze 837: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 838: {
1.315 schwarze 839: struct roff_meta *meta;
1.112 kristaps 840:
1.154 kristaps 841: /* Begin by parsing the file itself. */
1.112 kristaps 842:
1.154 kristaps 843: assert(file);
1.263 schwarze 844: assert(fd >= 0);
1.112 kristaps 845:
1.312 schwarze 846: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 847: if (fd != STDIN_FILENO)
848: close(fd);
1.112 kristaps 849:
1.1 kristaps 850: /*
1.154 kristaps 851: * With -Wstop and warnings or errors of at least the requested
852: * level, do not produce output.
1.1 kristaps 853: */
854:
1.312 schwarze 855: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 856: return;
1.111 kristaps 857:
1.276 schwarze 858: if (curp->outdata == NULL)
859: outdata_alloc(curp);
1.319 schwarze 860: else if (curp->outtype == OUTT_HTML)
861: html_reset(curp);
1.111 kristaps 862:
1.315 schwarze 863: mandoc_xr_reset();
864: meta = mparse_result(curp->mp);
1.250 schwarze 865:
866: /* Execute the out device, if it exists. */
867:
1.315 schwarze 868: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 869: switch (curp->outtype) {
1.173 schwarze 870: case OUTT_HTML:
1.315 schwarze 871: html_mdoc(curp->outdata, meta);
1.111 kristaps 872: break;
1.173 schwarze 873: case OUTT_TREE:
1.315 schwarze 874: tree_mdoc(curp->outdata, meta);
1.111 kristaps 875: break;
1.173 schwarze 876: case OUTT_MAN:
1.315 schwarze 877: man_mdoc(curp->outdata, meta);
1.164 schwarze 878: break;
1.173 schwarze 879: case OUTT_PDF:
880: case OUTT_ASCII:
881: case OUTT_UTF8:
882: case OUTT_LOCALE:
883: case OUTT_PS:
1.315 schwarze 884: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 885: break;
1.285 schwarze 886: case OUTT_MARKDOWN:
1.315 schwarze 887: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 888: break;
1.250 schwarze 889: default:
890: break;
891: }
892: }
1.315 schwarze 893: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 894: switch (curp->outtype) {
895: case OUTT_HTML:
1.315 schwarze 896: html_man(curp->outdata, meta);
1.250 schwarze 897: break;
898: case OUTT_TREE:
1.315 schwarze 899: tree_man(curp->outdata, meta);
1.250 schwarze 900: break;
901: case OUTT_MAN:
1.308 schwarze 902: mparse_copy(curp->mp);
1.250 schwarze 903: break;
904: case OUTT_PDF:
905: case OUTT_ASCII:
906: case OUTT_UTF8:
907: case OUTT_LOCALE:
908: case OUTT_PS:
1.315 schwarze 909: terminal_man(curp->outdata, meta);
1.111 kristaps 910: break;
911: default:
912: break;
913: }
1.276 schwarze 914: }
1.312 schwarze 915: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
916: check_xr();
1.294 schwarze 917: }
918:
919: static void
1.312 schwarze 920: check_xr(void)
1.294 schwarze 921: {
922: static struct manpaths paths;
923: struct mansearch search;
924: struct mandoc_xr *xr;
925: size_t sz;
926:
927: if (paths.sz == 0)
928: manpath_base(&paths);
929:
930: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 931: if (xr->line == -1)
932: continue;
1.294 schwarze 933: search.arch = NULL;
934: search.sec = xr->sec;
935: search.outkey = NULL;
936: search.argmode = ARG_NAME;
937: search.firstmatch = 1;
938: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 939: continue;
940: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.294 schwarze 941: continue;
1.298 schwarze 942: if (xr->count == 1)
1.313 schwarze 943: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
944: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 945: else
1.313 schwarze 946: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
947: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 948: xr->name, xr->sec, xr->count);
1.294 schwarze 949: }
1.276 schwarze 950: }
951:
952: static void
953: outdata_alloc(struct curparse *curp)
954: {
955: switch (curp->outtype) {
956: case OUTT_HTML:
957: curp->outdata = html_alloc(curp->outopts);
958: break;
959: case OUTT_UTF8:
960: curp->outdata = utf8_alloc(curp->outopts);
961: break;
962: case OUTT_LOCALE:
963: curp->outdata = locale_alloc(curp->outopts);
964: break;
965: case OUTT_ASCII:
966: curp->outdata = ascii_alloc(curp->outopts);
967: break;
968: case OUTT_PDF:
969: curp->outdata = pdf_alloc(curp->outopts);
970: break;
971: case OUTT_PS:
972: curp->outdata = ps_alloc(curp->outopts);
973: break;
974: default:
975: break;
1.111 kristaps 976: }
1.186 schwarze 977: }
978:
1.227 schwarze 979: static void
1.197 schwarze 980: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 981: {
1.197 schwarze 982: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
983: const char synr[] = "SYNOPSIS";
984:
985: FILE *stream;
1.186 schwarze 986: const char *syscall;
1.257 schwarze 987: char *line, *cp;
988: size_t linesz;
1.277 schwarze 989: ssize_t len, written;
1.197 schwarze 990: int print;
1.210 schwarze 991:
1.257 schwarze 992: line = NULL;
993: linesz = 0;
1.197 schwarze 994:
1.277 schwarze 995: if (fflush(stdout) == EOF) {
996: syscall = "fflush";
997: goto fail;
998: }
999:
1.197 schwarze 1000: if ((stream = fdopen(fd, "r")) == NULL) {
1001: close(fd);
1002: syscall = "fdopen";
1003: goto fail;
1004: }
1.186 schwarze 1005:
1.197 schwarze 1006: print = 0;
1.277 schwarze 1007: while ((len = getline(&line, &linesz, stream)) != -1) {
1.257 schwarze 1008: cp = line;
1.197 schwarze 1009: if (synopsis_only) {
1010: if (print) {
1.257 schwarze 1011: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1012: goto done;
1.277 schwarze 1013: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1014: cp++;
1.277 schwarze 1015: len--;
1016: }
1.197 schwarze 1017: } else {
1.257 schwarze 1018: if (strcmp(cp, synb) == 0 ||
1019: strcmp(cp, synr) == 0)
1.197 schwarze 1020: print = 1;
1021: continue;
1022: }
1023: }
1.277 schwarze 1024: for (; len > 0; len -= written) {
1025: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
1026: continue;
1.257 schwarze 1027: fclose(stream);
1.277 schwarze 1028: syscall = "write";
1.257 schwarze 1029: goto fail;
1030: }
1.197 schwarze 1031: }
1.186 schwarze 1032:
1.197 schwarze 1033: if (ferror(stream)) {
1034: fclose(stream);
1.257 schwarze 1035: syscall = "getline";
1.197 schwarze 1036: goto fail;
1037: }
1.193 schwarze 1038:
1.197 schwarze 1039: done:
1.257 schwarze 1040: free(line);
1.197 schwarze 1041: fclose(stream);
1.227 schwarze 1042: return;
1.186 schwarze 1043:
1044: fail:
1.257 schwarze 1045: free(line);
1.247 schwarze 1046: warn("%s: SYSERR: %s", file, syscall);
1.312 schwarze 1047: mandoc_msg_setrc(MANDOCLEVEL_SYSERR);
1.194 schwarze 1048: }
1049:
1050: static int
1051: koptions(int *options, char *arg)
1052: {
1053:
1054: if ( ! strcmp(arg, "utf-8")) {
1055: *options |= MPARSE_UTF8;
1056: *options &= ~MPARSE_LATIN1;
1057: } else if ( ! strcmp(arg, "iso-8859-1")) {
1058: *options |= MPARSE_LATIN1;
1059: *options &= ~MPARSE_UTF8;
1060: } else if ( ! strcmp(arg, "us-ascii")) {
1061: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
1062: } else {
1.247 schwarze 1063: warnx("-K %s: Bad argument", arg);
1.245 schwarze 1064: return 0;
1.194 schwarze 1065: }
1.245 schwarze 1066: return 1;
1.10 kristaps 1067: }
1068:
1.286 schwarze 1069: static void
1.170 schwarze 1070: moptions(int *options, char *arg)
1.10 kristaps 1071: {
1072:
1.180 schwarze 1073: if (arg == NULL)
1.286 schwarze 1074: return;
1075: if (strcmp(arg, "doc") == 0)
1.170 schwarze 1076: *options |= MPARSE_MDOC;
1.286 schwarze 1077: else if (strcmp(arg, "an") == 0)
1.170 schwarze 1078: *options |= MPARSE_MAN;
1.1 kristaps 1079: }
1080:
1081: static int
1.60 kristaps 1082: toptions(struct curparse *curp, char *arg)
1.1 kristaps 1083: {
1084:
1085: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 1086: curp->outtype = OUTT_ASCII;
1087: else if (0 == strcmp(arg, "lint")) {
1088: curp->outtype = OUTT_LINT;
1.312 schwarze 1089: mandoc_msg_setoutfile(stdout);
1090: mandoc_msg_setmin(MANDOCERR_BASE);
1.154 kristaps 1091: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 1092: curp->outtype = OUTT_TREE;
1.164 schwarze 1093: else if (0 == strcmp(arg, "man"))
1094: curp->outtype = OUTT_MAN;
1.43 kristaps 1095: else if (0 == strcmp(arg, "html"))
1.60 kristaps 1096: curp->outtype = OUTT_HTML;
1.285 schwarze 1097: else if (0 == strcmp(arg, "markdown"))
1098: curp->outtype = OUTT_MARKDOWN;
1.163 kristaps 1099: else if (0 == strcmp(arg, "utf8"))
1100: curp->outtype = OUTT_UTF8;
1.162 kristaps 1101: else if (0 == strcmp(arg, "locale"))
1102: curp->outtype = OUTT_LOCALE;
1.85 kristaps 1103: else if (0 == strcmp(arg, "ps"))
1104: curp->outtype = OUTT_PS;
1.100 kristaps 1105: else if (0 == strcmp(arg, "pdf"))
1106: curp->outtype = OUTT_PDF;
1.1 kristaps 1107: else {
1.247 schwarze 1108: warnx("-T %s: Bad argument", arg);
1.245 schwarze 1109: return 0;
1.1 kristaps 1110: }
1111:
1.245 schwarze 1112: return 1;
1.1 kristaps 1113: }
1114:
1115: static int
1.103 schwarze 1116: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1117: {
1.34 kristaps 1118: char *v, *o;
1.293 schwarze 1119: const char *toks[11];
1.1 kristaps 1120:
1.103 schwarze 1121: toks[0] = "stop";
1122: toks[1] = "all";
1.293 schwarze 1123: toks[2] = "base";
1124: toks[3] = "style";
1125: toks[4] = "warning";
1126: toks[5] = "error";
1127: toks[6] = "unsupp";
1128: toks[7] = "fatal";
1129: toks[8] = "openbsd";
1130: toks[9] = "netbsd";
1131: toks[10] = NULL;
1.1 kristaps 1132:
1.34 kristaps 1133: while (*arg) {
1134: o = arg;
1.272 schwarze 1135: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1136: case 0:
1.103 schwarze 1137: curp->wstop = 1;
1.1 kristaps 1138: break;
1.173 schwarze 1139: case 1:
1140: case 2:
1.312 schwarze 1141: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1142: break;
1143: case 3:
1.312 schwarze 1144: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1145: break;
1.290 schwarze 1146: case 4:
1.312 schwarze 1147: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1148: break;
1.290 schwarze 1149: case 5:
1.312 schwarze 1150: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1151: break;
1.290 schwarze 1152: case 6:
1.312 schwarze 1153: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1154: break;
1155: case 7:
1.312 schwarze 1156: mandoc_msg_setmin(MANDOCERR_MAX);
1.293 schwarze 1157: break;
1158: case 8:
1.312 schwarze 1159: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1160: curp->os_e = MANDOC_OS_OPENBSD;
1161: break;
1162: case 9:
1.312 schwarze 1163: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1164: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1165: break;
1.1 kristaps 1166: default:
1.247 schwarze 1167: warnx("-W %s: Bad argument", o);
1.245 schwarze 1168: return 0;
1.1 kristaps 1169: }
1.34 kristaps 1170: }
1.245 schwarze 1171: return 1;
1.183 schwarze 1172: }
1173:
1.225 schwarze 1174: static pid_t
1.244 schwarze 1175: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1176: {
1.265 schwarze 1177: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1178: #define MAX_PAGER_ARGS 16
1179: char *argv[MAX_PAGER_ARGS];
1180: const char *pager;
1181: char *cp;
1.322 schwarze 1182: #if HAVE_LESS_T
1.239 schwarze 1183: size_t cmdlen;
1.322 schwarze 1184: #endif
1.309 schwarze 1185: int argc, use_ofn;
1.225 schwarze 1186: pid_t pager_pid;
1.183 schwarze 1187:
1.239 schwarze 1188: pager = getenv("MANPAGER");
1189: if (pager == NULL || *pager == '\0')
1190: pager = getenv("PAGER");
1191: if (pager == NULL || *pager == '\0')
1192: pager = "more -s";
1193: cp = mandoc_strdup(pager);
1194:
1195: /*
1196: * Parse the pager command into words.
1197: * Intentionally do not do anything fancy here.
1198: */
1199:
1200: argc = 0;
1.309 schwarze 1201: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1202: argv[argc++] = cp;
1203: cp = strchr(cp, ' ');
1204: if (cp == NULL)
1205: break;
1206: *cp++ = '\0';
1207: while (*cp == ' ')
1208: cp++;
1209: if (*cp == '\0')
1210: break;
1211: }
1212:
1.268 schwarze 1213: /* For less(1), use the tag file. */
1.239 schwarze 1214:
1.309 schwarze 1215: use_ofn = 1;
1.322 schwarze 1216: #if HAVE_LESS_T
1.244 schwarze 1217: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1218: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1219: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1220: argv[argc++] = mandoc_strdup("-T");
1221: argv[argc++] = tag_files->tfn;
1.309 schwarze 1222: if (tag_files->tagname != NULL) {
1223: argv[argc++] = mandoc_strdup("-t");
1224: argv[argc++] = tag_files->tagname;
1225: use_ofn = 0;
1226: }
1.244 schwarze 1227: }
1.239 schwarze 1228: }
1.322 schwarze 1229: #endif
1.309 schwarze 1230: if (use_ofn)
1231: argv[argc++] = tag_files->ofn;
1.239 schwarze 1232: argv[argc] = NULL;
1233:
1.225 schwarze 1234: switch (pager_pid = fork()) {
1.183 schwarze 1235: case -1:
1.247 schwarze 1236: err((int)MANDOCLEVEL_SYSERR, "fork");
1.183 schwarze 1237: case 0:
1.224 schwarze 1238: break;
1239: default:
1.258 schwarze 1240: (void)setpgid(pager_pid, 0);
1.279 schwarze 1241: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1242: #if HAVE_PLEDGE
1.258 schwarze 1243: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.255 schwarze 1244: err((int)MANDOCLEVEL_SYSERR, "pledge");
1245: #endif
1.259 schwarze 1246: tag_files->pager_pid = pager_pid;
1.245 schwarze 1247: return pager_pid;
1.184 schwarze 1248: }
1249:
1.224 schwarze 1250: /* The child process becomes the pager. */
1.184 schwarze 1251:
1.247 schwarze 1252: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1253: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.244 schwarze 1254: close(tag_files->ofd);
1.303 schwarze 1255: assert(tag_files->tfd == -1);
1.265 schwarze 1256:
1257: /* Do not start the pager before controlling the terminal. */
1258:
1.279 schwarze 1259: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1260: nanosleep(&timeout, NULL);
1261:
1.184 schwarze 1262: execvp(argv[0], argv);
1.247 schwarze 1263: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.71 kristaps 1264: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to main.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc