Annotation of mandoc/main.c, Revision 1.311
1.311 ! schwarze 1: /* $Id: main.c,v 1.310 2018/11/22 12:01:46 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.304 schwarze 4: * Copyright (c) 2010-2012, 2014-2018 Ingo Schwarze <schwarze@openbsd.org>
1.169 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.25 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.229 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.25 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.229 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.25 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.58 kristaps 19: #include "config.h"
1.178 schwarze 20:
21: #include <sys/types.h>
1.304 schwarze 22: #include <sys/ioctl.h>
1.216 schwarze 23: #include <sys/param.h> /* MACHINE */
1.304 schwarze 24: #include <sys/termios.h>
1.224 schwarze 25: #include <sys/wait.h>
1.58 kristaps 26:
1.1 kristaps 27: #include <assert.h>
1.185 schwarze 28: #include <ctype.h>
1.256 schwarze 29: #if HAVE_ERR
1.247 schwarze 30: #include <err.h>
1.256 schwarze 31: #endif
1.258 schwarze 32: #include <errno.h>
1.186 schwarze 33: #include <fcntl.h>
1.222 schwarze 34: #include <glob.h>
1.269 kristaps 35: #if HAVE_SANDBOX_INIT
36: #include <sandbox.h>
37: #endif
1.226 schwarze 38: #include <signal.h>
1.1 kristaps 39: #include <stdio.h>
1.45 kristaps 40: #include <stdint.h>
1.1 kristaps 41: #include <stdlib.h>
42: #include <string.h>
1.265 schwarze 43: #include <time.h>
1.1 kristaps 44: #include <unistd.h>
45:
1.231 schwarze 46: #include "mandoc_aux.h"
1.71 kristaps 47: #include "mandoc.h"
1.294 schwarze 48: #include "mandoc_xr.h"
1.231 schwarze 49: #include "roff.h"
1.1 kristaps 50: #include "mdoc.h"
1.10 kristaps 51: #include "man.h"
1.311 ! schwarze 52: #include "mandoc_parse.h"
1.239 schwarze 53: #include "tag.h"
1.231 schwarze 54: #include "main.h"
1.229 schwarze 55: #include "manconf.h"
1.180 schwarze 56: #include "mansearch.h"
1.16 kristaps 57:
1.181 schwarze 58: enum outmode {
59: OUTMODE_DEF = 0,
60: OUTMODE_FLN,
61: OUTMODE_LST,
62: OUTMODE_ALL,
63: OUTMODE_ONE
64: };
65:
1.19 kristaps 66: enum outt {
1.154 kristaps 67: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 68: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 69: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 70: OUTT_TREE, /* -Ttree */
1.164 schwarze 71: OUTT_MAN, /* -Tman */
1.154 kristaps 72: OUTT_HTML, /* -Thtml */
1.285 schwarze 73: OUTT_MARKDOWN, /* -Tmarkdown */
1.154 kristaps 74: OUTT_LINT, /* -Tlint */
75: OUTT_PS, /* -Tps */
76: OUTT_PDF /* -Tpdf */
1.19 kristaps 77: };
78:
1.5 kristaps 79: struct curparse {
1.154 kristaps 80: struct mparse *mp;
1.293 schwarze 81: struct manoutput *outopts; /* output options */
82: void *outdata; /* data for output */
83: char *os_s; /* operating system for display */
1.148 kristaps 84: int wstop; /* stop after a file with a warning */
1.293 schwarze 85: enum mandocerr mmin; /* ignore messages below this */
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:
1.294 schwarze 93: static void check_xr(const char *);
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 *);
1.155 kristaps 103: static void mmsg(enum mandocerr, enum mandoclevel,
104: const char *, int, int, const char *);
1.276 schwarze 105: static void outdata_alloc(struct curparse *);
1.227 schwarze 106: static void parse(struct curparse *, int, const char *);
107: static void passthrough(const char *, int, int);
1.244 schwarze 108: static pid_t spawn_pager(struct tag_files *);
1.66 kristaps 109: static int toptions(struct curparse *, char *);
1.283 schwarze 110: static void usage(enum argmode) __attribute__((__noreturn__));
1.103 schwarze 111: static int woptions(struct curparse *, char *);
1.1 kristaps 112:
1.182 schwarze 113: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 114: static char help_arg[] = "help";
115: static char *help_argv[] = {help_arg, NULL};
1.226 schwarze 116: static enum mandoclevel rc;
1.300 schwarze 117: static FILE *mmsg_stream;
1.1 kristaps 118:
1.173 schwarze 119:
1.1 kristaps 120: int
121: main(int argc, char *argv[])
122: {
1.229 schwarze 123: struct manconf conf;
1.282 schwarze 124: struct mansearch search;
1.5 kristaps 125: struct curparse curp;
1.304 schwarze 126: struct winsize ws;
1.244 schwarze 127: struct tag_files *tag_files;
1.282 schwarze 128: struct manpage *res, *resp;
129: const char *progname, *sec, *thisarg;
130: char *conf_file, *defpaths, *auxpaths;
1.293 schwarze 131: char *oarg;
1.207 schwarze 132: unsigned char *uc;
1.264 schwarze 133: size_t i, sz;
1.230 schwarze 134: int prio, best_prio;
1.181 schwarze 135: enum outmode outmode;
1.305 schwarze 136: int fd, startdir;
1.180 schwarze 137: int show_usage;
1.170 schwarze 138: int options;
1.244 schwarze 139: int use_pager;
1.259 schwarze 140: int status, signum;
1.180 schwarze 141: int c;
1.259 schwarze 142: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 143:
1.254 schwarze 144: #if HAVE_PROGNAME
145: progname = getprogname();
146: #else
1.219 schwarze 147: if (argc < 1)
1.254 schwarze 148: progname = mandoc_strdup("mandoc");
149: else if ((progname = strrchr(argv[0], '/')) == NULL)
150: progname = argv[0];
1.54 kristaps 151: else
1.254 schwarze 152: ++progname;
153: setprogname(progname);
1.247 schwarze 154: #endif
1.203 schwarze 155:
1.254 schwarze 156: if (strncmp(progname, "mandocdb", 8) == 0 ||
157: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 158: return mandocdb(argc, argv);
1.179 schwarze 159:
1.255 schwarze 160: #if HAVE_PLEDGE
1.284 schwarze 161: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.255 schwarze 162: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.269 kristaps 163: #endif
164:
165: #if HAVE_SANDBOX_INIT
166: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
167: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 168: #endif
169:
1.180 schwarze 170: /* Search options. */
171:
1.229 schwarze 172: memset(&conf, 0, sizeof(conf));
1.205 schwarze 173: conf_file = defpaths = NULL;
174: auxpaths = NULL;
1.180 schwarze 175:
176: memset(&search, 0, sizeof(struct mansearch));
177: search.outkey = "Nd";
1.282 schwarze 178: oarg = NULL;
1.180 schwarze 179:
1.254 schwarze 180: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 181: search.argmode = ARG_NAME;
1.254 schwarze 182: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 183: search.argmode = ARG_EXPR;
1.254 schwarze 184: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 185: search.argmode = ARG_WORD;
1.254 schwarze 186: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 187: search.argmode = ARG_NAME;
1.180 schwarze 188: else
189: search.argmode = ARG_FILE;
190:
191: /* Parser and formatter options. */
1.54 kristaps 192:
1.51 kristaps 193: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 194: curp.outtype = OUTT_LOCALE;
1.293 schwarze 195: curp.mmin = MANDOCERR_MAX;
1.230 schwarze 196: curp.outopts = &conf.output;
1.194 schwarze 197: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.300 schwarze 198: mmsg_stream = stderr;
1.19 kristaps 199:
1.244 schwarze 200: use_pager = 1;
201: tag_files = NULL;
1.180 schwarze 202: show_usage = 0;
1.181 schwarze 203: outmode = OUTMODE_DEF;
1.183 schwarze 204:
1.289 schwarze 205: while ((c = getopt(argc, argv,
206: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
207: if (c == 'i' && search.argmode == ARG_EXPR) {
208: optind--;
209: break;
210: }
1.1 kristaps 211: switch (c) {
1.181 schwarze 212: case 'a':
213: outmode = OUTMODE_ALL;
214: break;
1.180 schwarze 215: case 'C':
216: conf_file = optarg;
217: break;
1.183 schwarze 218: case 'c':
1.244 schwarze 219: use_pager = 0;
1.183 schwarze 220: break;
1.180 schwarze 221: case 'f':
222: search.argmode = ARG_WORD;
223: break;
1.190 schwarze 224: case 'h':
1.230 schwarze 225: conf.output.synopsisonly = 1;
1.244 schwarze 226: use_pager = 0;
1.190 schwarze 227: outmode = OUTMODE_ALL;
228: break;
1.173 schwarze 229: case 'I':
1.166 schwarze 230: if (strncmp(optarg, "os=", 3)) {
1.247 schwarze 231: warnx("-I %s: Bad argument", optarg);
1.245 schwarze 232: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 233: }
1.293 schwarze 234: if (curp.os_s != NULL) {
1.247 schwarze 235: warnx("-I %s: Duplicate argument", optarg);
1.245 schwarze 236: return (int)MANDOCLEVEL_BADARG;
1.166 schwarze 237: }
1.293 schwarze 238: curp.os_s = mandoc_strdup(optarg + 3);
1.181 schwarze 239: break;
1.194 schwarze 240: case 'K':
241: if ( ! koptions(&options, optarg))
1.245 schwarze 242: return (int)MANDOCLEVEL_BADARG;
1.194 schwarze 243: break;
1.180 schwarze 244: case 'k':
245: search.argmode = ARG_EXPR;
246: break;
1.188 schwarze 247: case 'l':
248: search.argmode = ARG_FILE;
249: outmode = OUTMODE_ALL;
250: break;
1.180 schwarze 251: case 'M':
252: defpaths = optarg;
253: break;
1.173 schwarze 254: case 'm':
1.180 schwarze 255: auxpaths = optarg;
1.10 kristaps 256: break;
1.173 schwarze 257: case 'O':
1.282 schwarze 258: oarg = optarg;
1.44 kristaps 259: break;
1.180 schwarze 260: case 'S':
261: search.arch = optarg;
262: break;
263: case 's':
264: search.sec = optarg;
265: break;
1.173 schwarze 266: case 'T':
1.60 kristaps 267: if ( ! toptions(&curp, optarg))
1.245 schwarze 268: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 269: break;
1.173 schwarze 270: case 'W':
1.103 schwarze 271: if ( ! woptions(&curp, optarg))
1.245 schwarze 272: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 273: break;
1.181 schwarze 274: case 'w':
275: outmode = OUTMODE_FLN;
276: break;
1.1 kristaps 277: default:
1.180 schwarze 278: show_usage = 1;
279: break;
1.1 kristaps 280: }
1.180 schwarze 281: }
282:
283: if (show_usage)
284: usage(search.argmode);
285:
1.185 schwarze 286: /* Postprocess options. */
287:
1.181 schwarze 288: if (outmode == OUTMODE_DEF) {
289: switch (search.argmode) {
290: case ARG_FILE:
291: outmode = OUTMODE_ALL;
1.244 schwarze 292: use_pager = 0;
1.181 schwarze 293: break;
294: case ARG_NAME:
295: outmode = OUTMODE_ONE;
296: break;
297: default:
298: outmode = OUTMODE_LST;
299: break;
1.282 schwarze 300: }
301: }
302:
303: if (oarg != NULL) {
304: if (outmode == OUTMODE_LST)
305: search.outkey = oarg;
306: else {
307: while (oarg != NULL) {
308: thisarg = oarg;
309: if (manconf_output(&conf.output,
310: strsep(&oarg, ","), 0) == 0)
311: continue;
312: warnx("-O %s: Bad argument", thisarg);
313: return (int)MANDOCLEVEL_BADARG;
314: }
1.181 schwarze 315: }
316: }
317:
1.246 schwarze 318: if (outmode == OUTMODE_FLN ||
319: outmode == OUTMODE_LST ||
320: !isatty(STDOUT_FILENO))
321: use_pager = 0;
1.304 schwarze 322:
323: if (use_pager &&
324: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 325: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
326: ws.ws_col > 1) {
1.304 schwarze 327: if (conf.output.width == 0 && ws.ws_col < 79)
328: conf.output.width = ws.ws_col - 1;
329: if (conf.output.indent == 0 && ws.ws_col < 66)
330: conf.output.indent = 3;
331: }
1.246 schwarze 332:
1.255 schwarze 333: #if HAVE_PLEDGE
1.260 schwarze 334: if (!use_pager)
1.284 schwarze 335: if (pledge("stdio rpath", NULL) == -1)
1.260 schwarze 336: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.255 schwarze 337: #endif
338:
1.185 schwarze 339: /* Parse arguments. */
340:
1.219 schwarze 341: if (argc > 0) {
342: argc -= optind;
343: argv += optind;
344: }
1.186 schwarze 345: resp = NULL;
1.185 schwarze 346:
1.202 schwarze 347: /*
348: * Quirks for help(1)
349: * and for a man(1) section argument without -s.
350: */
351:
352: if (search.argmode == ARG_NAME) {
1.254 schwarze 353: if (*progname == 'h') {
1.202 schwarze 354: if (argc == 0) {
355: argv = help_argv;
356: argc = 1;
357: }
1.211 schwarze 358: } else if (argc > 1 &&
1.223 kristaps 359: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 360: ((isdigit(uc[0]) && (uc[1] == '\0' ||
361: (isalpha(uc[1]) && uc[2] == '\0'))) ||
362: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 363: search.sec = (char *)uc;
1.202 schwarze 364: argv++;
365: argc--;
366: }
1.216 schwarze 367: if (search.arch == NULL)
368: search.arch = getenv("MACHINE");
1.223 kristaps 369: #ifdef MACHINE
1.216 schwarze 370: if (search.arch == NULL)
371: search.arch = MACHINE;
1.223 kristaps 372: #endif
1.185 schwarze 373: }
1.182 schwarze 374:
375: rc = MANDOCLEVEL_OK;
1.180 schwarze 376:
377: /* man(1), whatis(1), apropos(1) */
378:
379: if (search.argmode != ARG_FILE) {
1.199 schwarze 380: if (search.argmode == ARG_NAME &&
381: outmode == OUTMODE_ONE)
382: search.firstmatch = 1;
1.182 schwarze 383:
384: /* Access the mandoc database. */
385:
1.229 schwarze 386: manconf_parse(&conf, conf_file, defpaths, auxpaths);
387: if ( ! mansearch(&search, &conf.manpath,
388: argc, argv, &res, &sz))
1.180 schwarze 389: usage(search.argmode);
1.213 schwarze 390:
1.305 schwarze 391: if (sz == 0 && search.argmode == ARG_NAME)
392: fs_search(&search, &conf.manpath,
393: argc, argv, &res, &sz);
394:
395: if (search.argmode == ARG_NAME) {
396: for (c = 0; c < argc; c++) {
397: if (strchr(argv[c], '/') == NULL)
398: continue;
399: if (access(argv[c], R_OK) == -1) {
400: warn("%s", argv[c]);
401: continue;
402: }
403: res = mandoc_reallocarray(res,
404: sz + 1, sizeof(*res));
405: res[sz].file = mandoc_strdup(argv[c]);
406: res[sz].names = NULL;
407: res[sz].output = NULL;
408: res[sz].ipath = SIZE_MAX;
409: res[sz].sec = 10;
410: res[sz].form = FORM_SRC;
411: sz++;
412: }
1.237 schwarze 413: }
1.187 schwarze 414:
415: if (sz == 0) {
1.305 schwarze 416: if (search.argmode != ARG_NAME)
417: warnx("nothing appropriate");
1.187 schwarze 418: rc = MANDOCLEVEL_BADARG;
419: goto out;
420: }
1.182 schwarze 421:
422: /*
423: * For standard man(1) and -a output mode,
424: * prepare for copying filename pointers
425: * into the program parameter array.
426: */
427:
428: if (outmode == OUTMODE_ONE) {
429: argc = 1;
1.264 schwarze 430: best_prio = 20;
1.186 schwarze 431: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 432: argc = (int)sz;
433:
434: /* Iterate all matching manuals. */
435:
1.213 schwarze 436: resp = res;
1.181 schwarze 437: for (i = 0; i < sz; i++) {
438: if (outmode == OUTMODE_FLN)
439: puts(res[i].file);
1.182 schwarze 440: else if (outmode == OUTMODE_LST)
1.181 schwarze 441: printf("%s - %s\n", res[i].names,
442: res[i].output == NULL ? "" :
443: res[i].output);
1.186 schwarze 444: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 445: /* Search for the best section. */
1.264 schwarze 446: sec = res[i].file;
447: sec += strcspn(sec, "123456789");
448: if (sec[0] == '\0')
1.182 schwarze 449: continue;
1.264 schwarze 450: prio = sec_prios[sec[0] - '1'];
451: if (sec[1] != '/')
452: prio += 10;
1.182 schwarze 453: if (prio >= best_prio)
454: continue;
455: best_prio = prio;
1.186 schwarze 456: resp = res + i;
1.182 schwarze 457: }
1.181 schwarze 458: }
1.182 schwarze 459:
460: /*
461: * For man(1), -a and -i output mode, fall through
462: * to the main mandoc(1) code iterating files
463: * and running the parsers on each of them.
464: */
465:
466: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
467: goto out;
1.180 schwarze 468: }
469:
470: /* mandoc(1) */
471:
1.255 schwarze 472: #if HAVE_PLEDGE
1.260 schwarze 473: if (use_pager) {
474: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
475: err((int)MANDOCLEVEL_SYSERR, "pledge");
476: } else {
477: if (pledge("stdio rpath", NULL) == -1)
478: err((int)MANDOCLEVEL_SYSERR, "pledge");
479: }
1.255 schwarze 480: #endif
481:
1.286 schwarze 482: if (search.argmode == ARG_FILE)
483: moptions(&options, auxpaths);
1.241 schwarze 484:
1.249 schwarze 485: mchars_alloc();
1.293 schwarze 486: curp.mp = mparse_alloc(options, curp.mmin, mmsg,
487: curp.os_e, curp.os_s);
1.154 kristaps 488:
1.219 schwarze 489: if (argc < 1) {
1.244 schwarze 490: if (use_pager)
491: tag_files = tag_init();
1.227 schwarze 492: parse(&curp, STDIN_FILENO, "<stdin>");
1.212 schwarze 493: }
1.64 kristaps 494:
1.305 schwarze 495: /*
496: * Remember the original working directory, if possible.
497: * This will be needed if some names on the command line
498: * are page names and some are relative file names.
499: * Do not error out if the current directory is not
500: * readable: Maybe it won't be needed after all.
501: */
502: startdir = open(".", O_RDONLY | O_DIRECTORY);
503:
1.219 schwarze 504: while (argc > 0) {
1.305 schwarze 505:
506: /*
507: * Changing directories is not needed in ARG_FILE mode.
508: * Do it on a best-effort basis. Even in case of
509: * failure, some functionality may still work.
510: */
511: if (resp != NULL) {
512: if (resp->ipath != SIZE_MAX)
513: (void)chdir(conf.manpath.paths[resp->ipath]);
514: else if (startdir != -1)
515: (void)fchdir(startdir);
516: }
517:
1.262 schwarze 518: fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
1.212 schwarze 519: if (fd != -1) {
1.244 schwarze 520: if (use_pager) {
1.309 schwarze 521: use_pager = 0;
1.244 schwarze 522: tag_files = tag_init();
1.309 schwarze 523: if (conf.output.tag != NULL &&
524: tag_files->tagname == NULL)
525: tag_files->tagname =
526: *conf.output.tag != '\0' ?
527: conf.output.tag : *argv;
1.244 schwarze 528: }
1.212 schwarze 529:
530: if (resp == NULL)
1.227 schwarze 531: parse(&curp, fd, *argv);
1.305 schwarze 532: else if (resp->form == FORM_SRC)
1.227 schwarze 533: parse(&curp, fd, resp->file);
1.305 schwarze 534: else
1.230 schwarze 535: passthrough(resp->file, fd,
536: conf.output.synopsisonly);
1.302 schwarze 537:
538: if (ferror(stdout)) {
539: if (tag_files != NULL) {
540: warn("%s", tag_files->ofn);
541: tag_unlink();
542: tag_files = NULL;
543: } else
544: warn("stdout");
545: rc = MANDOCLEVEL_SYSERR;
546: break;
547: }
1.212 schwarze 548:
1.276 schwarze 549: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
550: if (curp.outdata == NULL)
551: outdata_alloc(&curp);
1.267 schwarze 552: terminal_sepline(curp.outdata);
1.276 schwarze 553: }
1.262 schwarze 554: } else if (rc < MANDOCLEVEL_ERROR)
555: rc = MANDOCLEVEL_ERROR;
1.192 schwarze 556:
1.154 kristaps 557: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 558: break;
1.210 schwarze 559:
1.212 schwarze 560: if (resp != NULL)
561: resp++;
562: else
563: argv++;
564: if (--argc)
565: mparse_reset(curp.mp);
1.1 kristaps 566: }
1.305 schwarze 567: if (startdir != -1) {
568: (void)fchdir(startdir);
569: close(startdir);
570: }
1.1 kristaps 571:
1.252 schwarze 572: if (curp.outdata != NULL) {
573: switch (curp.outtype) {
574: case OUTT_HTML:
575: html_free(curp.outdata);
576: break;
577: case OUTT_UTF8:
578: case OUTT_LOCALE:
579: case OUTT_ASCII:
580: ascii_free(curp.outdata);
581: break;
582: case OUTT_PDF:
583: case OUTT_PS:
584: pspdf_free(curp.outdata);
585: break;
586: default:
587: break;
588: }
1.250 schwarze 589: }
1.294 schwarze 590: mandoc_xr_free();
1.195 schwarze 591: mparse_free(curp.mp);
1.249 schwarze 592: mchars_free();
1.182 schwarze 593:
594: out:
595: if (search.argmode != ARG_FILE) {
1.229 schwarze 596: manconf_free(&conf);
1.182 schwarze 597: mansearch_free(res, sz);
598: }
599:
1.293 schwarze 600: free(curp.os_s);
1.1 kristaps 601:
1.224 schwarze 602: /*
1.244 schwarze 603: * When using a pager, finish writing both temporary files,
604: * fork it, wait for the user to close it, and clean up.
1.224 schwarze 605: */
606:
1.244 schwarze 607: if (tag_files != NULL) {
1.225 schwarze 608: fclose(stdout);
1.239 schwarze 609: tag_write();
1.259 schwarze 610: man_pgid = getpgid(0);
611: tag_files->tcpgid = man_pgid == getpid() ?
612: getpgid(getppid()) : man_pgid;
613: pager_pid = 0;
614: signum = SIGSTOP;
1.258 schwarze 615: for (;;) {
1.259 schwarze 616:
617: /* Stop here until moved to the foreground. */
618:
1.279 schwarze 619: tc_pgid = tcgetpgrp(tag_files->ofd);
1.259 schwarze 620: if (tc_pgid != man_pgid) {
621: if (tc_pgid == pager_pid) {
1.279 schwarze 622: (void)tcsetpgrp(tag_files->ofd,
1.259 schwarze 623: man_pgid);
624: if (signum == SIGTTIN)
625: continue;
626: } else
627: tag_files->tcpgid = tc_pgid;
628: kill(0, signum);
629: continue;
630: }
631:
632: /* Once in the foreground, activate the pager. */
633:
634: if (pager_pid) {
1.279 schwarze 635: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.259 schwarze 636: kill(pager_pid, SIGCONT);
637: } else
638: pager_pid = spawn_pager(tag_files);
639:
640: /* Wait for the pager to stop or exit. */
641:
642: while ((pid = waitpid(pager_pid, &status,
643: WUNTRACED)) == -1 && errno == EINTR)
644: continue;
645:
646: if (pid == -1) {
1.258 schwarze 647: warn("wait");
648: rc = MANDOCLEVEL_SYSERR;
649: break;
650: }
651: if (!WIFSTOPPED(status))
652: break;
653:
1.259 schwarze 654: signum = WSTOPSIG(status);
1.258 schwarze 655: }
1.239 schwarze 656: tag_unlink();
1.225 schwarze 657: }
1.224 schwarze 658:
1.245 schwarze 659: return (int)rc;
1.1 kristaps 660: }
661:
1.55 kristaps 662: static void
1.180 schwarze 663: usage(enum argmode argmode)
1.1 kristaps 664: {
665:
1.180 schwarze 666: switch (argmode) {
667: case ARG_FILE:
1.287 schwarze 668: fputs("usage: mandoc [-ac] [-I os=name] "
669: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 670: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 671: break;
672: case ARG_NAME:
1.287 schwarze 673: fputs("usage: man [-acfhklw] [-C file] [-M path] "
674: "[-m path] [-S subsection]\n"
675: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 676: break;
677: case ARG_WORD:
1.287 schwarze 678: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 679: "[-M path] [-m path] [-O outkey] [-S arch]\n"
680: "\t [-s section] name ...\n", stderr);
1.180 schwarze 681: break;
682: case ARG_EXPR:
1.287 schwarze 683: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 684: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 685: "\t [-s section] expression ...\n", stderr);
686: break;
687: }
1.105 kristaps 688: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 689: }
1.213 schwarze 690:
691: static int
692: fs_lookup(const struct manpaths *paths, size_t ipath,
693: const char *sec, const char *arch, const char *name,
694: struct manpage **res, size_t *ressz)
695: {
1.222 schwarze 696: glob_t globinfo;
1.213 schwarze 697: struct manpage *page;
698: char *file;
1.274 schwarze 699: int globres;
700: enum form form;
1.213 schwarze 701:
1.222 schwarze 702: form = FORM_SRC;
1.213 schwarze 703: mandoc_asprintf(&file, "%s/man%s/%s.%s",
704: paths->paths[ipath], sec, name, sec);
1.222 schwarze 705: if (access(file, R_OK) != -1)
1.213 schwarze 706: goto found;
707: free(file);
708:
709: mandoc_asprintf(&file, "%s/cat%s/%s.0",
710: paths->paths[ipath], sec, name);
711: if (access(file, R_OK) != -1) {
712: form = FORM_CAT;
713: goto found;
714: }
715: free(file);
716:
717: if (arch != NULL) {
718: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
719: paths->paths[ipath], sec, arch, name, sec);
1.222 schwarze 720: if (access(file, R_OK) != -1)
1.213 schwarze 721: goto found;
722: free(file);
723: }
1.222 schwarze 724:
1.240 schwarze 725: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 726: paths->paths[ipath], sec, name);
727: globres = glob(file, 0, NULL, &globinfo);
728: if (globres != 0 && globres != GLOB_NOMATCH)
1.247 schwarze 729: warn("%s: glob", file);
1.222 schwarze 730: free(file);
731: if (globres == 0)
732: file = mandoc_strdup(*globinfo.gl_pathv);
733: globfree(&globinfo);
1.296 schwarze 734: if (globres == 0)
735: goto found;
736: if (res != NULL || ipath + 1 != paths->sz)
1.245 schwarze 737: return 0;
1.213 schwarze 738:
1.296 schwarze 739: mandoc_asprintf(&file, "%s.%s", name, sec);
740: globres = access(file, R_OK);
741: free(file);
742: return globres != -1;
743:
1.213 schwarze 744: found:
1.266 schwarze 745: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
746: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 747: if (res == NULL) {
748: free(file);
1.295 schwarze 749: return 1;
1.296 schwarze 750: }
1.213 schwarze 751: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
752: page = *res + (*ressz - 1);
753: page->file = file;
754: page->names = NULL;
755: page->output = NULL;
756: page->ipath = ipath;
757: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
758: page->form = form;
1.245 schwarze 759: return 1;
1.213 schwarze 760: }
761:
1.295 schwarze 762: static int
1.213 schwarze 763: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
764: int argc, char **argv, struct manpage **res, size_t *ressz)
765: {
766: const char *const sections[] =
1.264 schwarze 767: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 768: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
769:
770: size_t ipath, isec, lastsz;
771:
772: assert(cfg->argmode == ARG_NAME);
773:
1.295 schwarze 774: if (res != NULL)
775: *res = NULL;
1.213 schwarze 776: *ressz = lastsz = 0;
777: while (argc) {
778: for (ipath = 0; ipath < paths->sz; ipath++) {
779: if (cfg->sec != NULL) {
780: if (fs_lookup(paths, ipath, cfg->sec,
781: cfg->arch, *argv, res, ressz) &&
782: cfg->firstmatch)
1.295 schwarze 783: return 1;
1.213 schwarze 784: } else for (isec = 0; isec < nsec; isec++)
785: if (fs_lookup(paths, ipath, sections[isec],
786: cfg->arch, *argv, res, ressz) &&
787: cfg->firstmatch)
1.295 schwarze 788: return 1;
1.213 schwarze 789: }
1.305 schwarze 790: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 791: strchr(*argv, '/') == NULL) {
792: if (cfg->sec == NULL)
793: warnx("No entry for %s in the manual.",
794: *argv);
795: else
796: warnx("No entry for %s in section %s "
797: "of the manual.", *argv, cfg->sec);
798: }
1.213 schwarze 799: lastsz = *ressz;
800: argv++;
801: argc--;
802: }
1.295 schwarze 803: return 0;
1.213 schwarze 804: }
1.68 joerg 805:
1.64 kristaps 806: static void
1.227 schwarze 807: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 808: {
1.227 schwarze 809: enum mandoclevel rctmp;
1.234 schwarze 810: struct roff_man *man;
1.112 kristaps 811:
1.154 kristaps 812: /* Begin by parsing the file itself. */
1.112 kristaps 813:
1.154 kristaps 814: assert(file);
1.263 schwarze 815: assert(fd >= 0);
1.112 kristaps 816:
1.227 schwarze 817: rctmp = mparse_readfd(curp->mp, fd, file);
1.261 schwarze 818: if (fd != STDIN_FILENO)
819: close(fd);
1.227 schwarze 820: if (rc < rctmp)
821: rc = rctmp;
1.112 kristaps 822:
1.1 kristaps 823: /*
1.154 kristaps 824: * With -Wstop and warnings or errors of at least the requested
825: * level, do not produce output.
1.1 kristaps 826: */
827:
1.227 schwarze 828: if (rctmp != MANDOCLEVEL_OK && curp->wstop)
829: return;
1.111 kristaps 830:
1.276 schwarze 831: if (curp->outdata == NULL)
832: outdata_alloc(curp);
1.111 kristaps 833:
1.250 schwarze 834: mparse_result(curp->mp, &man, NULL);
835:
836: /* Execute the out device, if it exists. */
837:
838: if (man == NULL)
839: return;
1.297 schwarze 840: mandoc_xr_reset();
1.250 schwarze 841: if (man->macroset == MACROSET_MDOC) {
1.281 schwarze 842: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
843: mdoc_validate(man);
1.111 kristaps 844: switch (curp->outtype) {
1.173 schwarze 845: case OUTT_HTML:
1.250 schwarze 846: html_mdoc(curp->outdata, man);
1.111 kristaps 847: break;
1.173 schwarze 848: case OUTT_TREE:
1.250 schwarze 849: tree_mdoc(curp->outdata, man);
1.111 kristaps 850: break;
1.173 schwarze 851: case OUTT_MAN:
1.250 schwarze 852: man_mdoc(curp->outdata, man);
1.164 schwarze 853: break;
1.173 schwarze 854: case OUTT_PDF:
855: case OUTT_ASCII:
856: case OUTT_UTF8:
857: case OUTT_LOCALE:
858: case OUTT_PS:
1.250 schwarze 859: terminal_mdoc(curp->outdata, man);
860: break;
1.285 schwarze 861: case OUTT_MARKDOWN:
862: markdown_mdoc(curp->outdata, man);
863: break;
1.250 schwarze 864: default:
865: break;
866: }
867: }
868: if (man->macroset == MACROSET_MAN) {
1.281 schwarze 869: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
870: man_validate(man);
1.250 schwarze 871: switch (curp->outtype) {
872: case OUTT_HTML:
873: html_man(curp->outdata, man);
874: break;
875: case OUTT_TREE:
876: tree_man(curp->outdata, man);
877: break;
878: case OUTT_MAN:
1.308 schwarze 879: mparse_copy(curp->mp);
1.250 schwarze 880: break;
881: case OUTT_PDF:
882: case OUTT_ASCII:
883: case OUTT_UTF8:
884: case OUTT_LOCALE:
885: case OUTT_PS:
886: terminal_man(curp->outdata, man);
1.111 kristaps 887: break;
888: default:
889: break;
890: }
1.276 schwarze 891: }
1.297 schwarze 892: if (curp->mmin < MANDOCERR_STYLE)
893: check_xr(file);
1.278 schwarze 894: mparse_updaterc(curp->mp, &rc);
1.294 schwarze 895: }
896:
897: static void
898: check_xr(const char *file)
899: {
900: static struct manpaths paths;
901: struct mansearch search;
902: struct mandoc_xr *xr;
903: char *cp;
904: size_t sz;
905:
906: if (paths.sz == 0)
907: manpath_base(&paths);
908:
909: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 910: if (xr->line == -1)
911: continue;
1.294 schwarze 912: search.arch = NULL;
913: search.sec = xr->sec;
914: search.outkey = NULL;
915: search.argmode = ARG_NAME;
916: search.firstmatch = 1;
917: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 918: continue;
919: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.294 schwarze 920: continue;
1.298 schwarze 921: if (xr->count == 1)
922: mandoc_asprintf(&cp, "Xr %s %s", xr->name, xr->sec);
923: else
924: mandoc_asprintf(&cp, "Xr %s %s (%d times)",
925: xr->name, xr->sec, xr->count);
1.294 schwarze 926: mmsg(MANDOCERR_XR_BAD, MANDOCLEVEL_STYLE,
927: file, xr->line, xr->pos + 1, cp);
928: free(cp);
929: }
1.276 schwarze 930: }
931:
932: static void
933: outdata_alloc(struct curparse *curp)
934: {
935: switch (curp->outtype) {
936: case OUTT_HTML:
937: curp->outdata = html_alloc(curp->outopts);
938: break;
939: case OUTT_UTF8:
940: curp->outdata = utf8_alloc(curp->outopts);
941: break;
942: case OUTT_LOCALE:
943: curp->outdata = locale_alloc(curp->outopts);
944: break;
945: case OUTT_ASCII:
946: curp->outdata = ascii_alloc(curp->outopts);
947: break;
948: case OUTT_PDF:
949: curp->outdata = pdf_alloc(curp->outopts);
950: break;
951: case OUTT_PS:
952: curp->outdata = ps_alloc(curp->outopts);
953: break;
954: default:
955: break;
1.111 kristaps 956: }
1.186 schwarze 957: }
958:
1.227 schwarze 959: static void
1.197 schwarze 960: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 961: {
1.197 schwarze 962: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
963: const char synr[] = "SYNOPSIS";
964:
965: FILE *stream;
1.186 schwarze 966: const char *syscall;
1.257 schwarze 967: char *line, *cp;
968: size_t linesz;
1.277 schwarze 969: ssize_t len, written;
1.197 schwarze 970: int print;
1.210 schwarze 971:
1.257 schwarze 972: line = NULL;
973: linesz = 0;
1.197 schwarze 974:
1.277 schwarze 975: if (fflush(stdout) == EOF) {
976: syscall = "fflush";
977: goto fail;
978: }
979:
1.197 schwarze 980: if ((stream = fdopen(fd, "r")) == NULL) {
981: close(fd);
982: syscall = "fdopen";
983: goto fail;
984: }
1.186 schwarze 985:
1.197 schwarze 986: print = 0;
1.277 schwarze 987: while ((len = getline(&line, &linesz, stream)) != -1) {
1.257 schwarze 988: cp = line;
1.197 schwarze 989: if (synopsis_only) {
990: if (print) {
1.257 schwarze 991: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 992: goto done;
1.277 schwarze 993: while (isspace((unsigned char)*cp)) {
1.257 schwarze 994: cp++;
1.277 schwarze 995: len--;
996: }
1.197 schwarze 997: } else {
1.257 schwarze 998: if (strcmp(cp, synb) == 0 ||
999: strcmp(cp, synr) == 0)
1.197 schwarze 1000: print = 1;
1001: continue;
1002: }
1003: }
1.277 schwarze 1004: for (; len > 0; len -= written) {
1005: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
1006: continue;
1.257 schwarze 1007: fclose(stream);
1.277 schwarze 1008: syscall = "write";
1.257 schwarze 1009: goto fail;
1010: }
1.197 schwarze 1011: }
1.186 schwarze 1012:
1.197 schwarze 1013: if (ferror(stream)) {
1014: fclose(stream);
1.257 schwarze 1015: syscall = "getline";
1.197 schwarze 1016: goto fail;
1017: }
1.193 schwarze 1018:
1.197 schwarze 1019: done:
1.257 schwarze 1020: free(line);
1.197 schwarze 1021: fclose(stream);
1.227 schwarze 1022: return;
1.186 schwarze 1023:
1024: fail:
1.257 schwarze 1025: free(line);
1.247 schwarze 1026: warn("%s: SYSERR: %s", file, syscall);
1.227 schwarze 1027: if (rc < MANDOCLEVEL_SYSERR)
1028: rc = MANDOCLEVEL_SYSERR;
1.194 schwarze 1029: }
1030:
1031: static int
1032: koptions(int *options, char *arg)
1033: {
1034:
1035: if ( ! strcmp(arg, "utf-8")) {
1036: *options |= MPARSE_UTF8;
1037: *options &= ~MPARSE_LATIN1;
1038: } else if ( ! strcmp(arg, "iso-8859-1")) {
1039: *options |= MPARSE_LATIN1;
1040: *options &= ~MPARSE_UTF8;
1041: } else if ( ! strcmp(arg, "us-ascii")) {
1042: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
1043: } else {
1.247 schwarze 1044: warnx("-K %s: Bad argument", arg);
1.245 schwarze 1045: return 0;
1.194 schwarze 1046: }
1.245 schwarze 1047: return 1;
1.10 kristaps 1048: }
1049:
1.286 schwarze 1050: static void
1.170 schwarze 1051: moptions(int *options, char *arg)
1.10 kristaps 1052: {
1053:
1.180 schwarze 1054: if (arg == NULL)
1.286 schwarze 1055: return;
1056: if (strcmp(arg, "doc") == 0)
1.170 schwarze 1057: *options |= MPARSE_MDOC;
1.286 schwarze 1058: else if (strcmp(arg, "an") == 0)
1.170 schwarze 1059: *options |= MPARSE_MAN;
1.1 kristaps 1060: }
1061:
1062: static int
1.60 kristaps 1063: toptions(struct curparse *curp, char *arg)
1.1 kristaps 1064: {
1065:
1066: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 1067: curp->outtype = OUTT_ASCII;
1068: else if (0 == strcmp(arg, "lint")) {
1069: curp->outtype = OUTT_LINT;
1.293 schwarze 1070: curp->mmin = MANDOCERR_BASE;
1.300 schwarze 1071: mmsg_stream = stdout;
1.154 kristaps 1072: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 1073: curp->outtype = OUTT_TREE;
1.164 schwarze 1074: else if (0 == strcmp(arg, "man"))
1075: curp->outtype = OUTT_MAN;
1.43 kristaps 1076: else if (0 == strcmp(arg, "html"))
1.60 kristaps 1077: curp->outtype = OUTT_HTML;
1.285 schwarze 1078: else if (0 == strcmp(arg, "markdown"))
1079: curp->outtype = OUTT_MARKDOWN;
1.163 kristaps 1080: else if (0 == strcmp(arg, "utf8"))
1081: curp->outtype = OUTT_UTF8;
1.162 kristaps 1082: else if (0 == strcmp(arg, "locale"))
1083: curp->outtype = OUTT_LOCALE;
1.85 kristaps 1084: else if (0 == strcmp(arg, "ps"))
1085: curp->outtype = OUTT_PS;
1.100 kristaps 1086: else if (0 == strcmp(arg, "pdf"))
1087: curp->outtype = OUTT_PDF;
1.1 kristaps 1088: else {
1.247 schwarze 1089: warnx("-T %s: Bad argument", arg);
1.245 schwarze 1090: return 0;
1.1 kristaps 1091: }
1092:
1.245 schwarze 1093: return 1;
1.1 kristaps 1094: }
1095:
1096: static int
1.103 schwarze 1097: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1098: {
1.34 kristaps 1099: char *v, *o;
1.293 schwarze 1100: const char *toks[11];
1.1 kristaps 1101:
1.103 schwarze 1102: toks[0] = "stop";
1103: toks[1] = "all";
1.293 schwarze 1104: toks[2] = "base";
1105: toks[3] = "style";
1106: toks[4] = "warning";
1107: toks[5] = "error";
1108: toks[6] = "unsupp";
1109: toks[7] = "fatal";
1110: toks[8] = "openbsd";
1111: toks[9] = "netbsd";
1112: toks[10] = NULL;
1.1 kristaps 1113:
1.34 kristaps 1114: while (*arg) {
1115: o = arg;
1.272 schwarze 1116: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1117: case 0:
1.103 schwarze 1118: curp->wstop = 1;
1.1 kristaps 1119: break;
1.173 schwarze 1120: case 1:
1121: case 2:
1.293 schwarze 1122: curp->mmin = MANDOCERR_BASE;
1.290 schwarze 1123: break;
1124: case 3:
1.293 schwarze 1125: curp->mmin = MANDOCERR_STYLE;
1.1 kristaps 1126: break;
1.290 schwarze 1127: case 4:
1.293 schwarze 1128: curp->mmin = MANDOCERR_WARNING;
1.24 kristaps 1129: break;
1.290 schwarze 1130: case 5:
1.293 schwarze 1131: curp->mmin = MANDOCERR_ERROR;
1.217 schwarze 1132: break;
1.290 schwarze 1133: case 6:
1.293 schwarze 1134: curp->mmin = MANDOCERR_UNSUPP;
1135: break;
1136: case 7:
1137: curp->mmin = MANDOCERR_MAX;
1138: break;
1139: case 8:
1140: curp->mmin = MANDOCERR_BASE;
1141: curp->os_e = MANDOC_OS_OPENBSD;
1142: break;
1143: case 9:
1144: curp->mmin = MANDOCERR_BASE;
1145: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1146: break;
1.1 kristaps 1147: default:
1.247 schwarze 1148: warnx("-W %s: Bad argument", o);
1.245 schwarze 1149: return 0;
1.1 kristaps 1150: }
1.34 kristaps 1151: }
1.245 schwarze 1152: return 1;
1.1 kristaps 1153: }
1154:
1.153 kristaps 1155: static void
1.173 schwarze 1156: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 1157: const char *file, int line, int col, const char *msg)
1.71 kristaps 1158: {
1.177 schwarze 1159: const char *mparse_msg;
1.103 schwarze 1160:
1.300 schwarze 1161: fprintf(mmsg_stream, "%s: %s:", getprogname(),
1.275 schwarze 1162: file == NULL ? "<stdin>" : file);
1.175 schwarze 1163:
1164: if (line)
1.300 schwarze 1165: fprintf(mmsg_stream, "%d:%d:", line, col + 1);
1.175 schwarze 1166:
1.300 schwarze 1167: fprintf(mmsg_stream, " %s", mparse_strlevel(lvl));
1.177 schwarze 1168:
1.293 schwarze 1169: if ((mparse_msg = mparse_strerror(t)) != NULL)
1.300 schwarze 1170: fprintf(mmsg_stream, ": %s", mparse_msg);
1.154 kristaps 1171:
1.73 kristaps 1172: if (msg)
1.300 schwarze 1173: fprintf(mmsg_stream, ": %s", msg);
1.154 kristaps 1174:
1.300 schwarze 1175: fputc('\n', mmsg_stream);
1.183 schwarze 1176: }
1177:
1.225 schwarze 1178: static pid_t
1.244 schwarze 1179: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1180: {
1.265 schwarze 1181: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1182: #define MAX_PAGER_ARGS 16
1183: char *argv[MAX_PAGER_ARGS];
1184: const char *pager;
1185: char *cp;
1.239 schwarze 1186: size_t cmdlen;
1.309 schwarze 1187: int argc, use_ofn;
1.225 schwarze 1188: pid_t pager_pid;
1.183 schwarze 1189:
1.239 schwarze 1190: pager = getenv("MANPAGER");
1191: if (pager == NULL || *pager == '\0')
1192: pager = getenv("PAGER");
1193: if (pager == NULL || *pager == '\0')
1194: pager = "more -s";
1195: cp = mandoc_strdup(pager);
1196:
1197: /*
1198: * Parse the pager command into words.
1199: * Intentionally do not do anything fancy here.
1200: */
1201:
1202: argc = 0;
1.309 schwarze 1203: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1204: argv[argc++] = cp;
1205: cp = strchr(cp, ' ');
1206: if (cp == NULL)
1207: break;
1208: *cp++ = '\0';
1209: while (*cp == ' ')
1210: cp++;
1211: if (*cp == '\0')
1212: break;
1213: }
1214:
1.268 schwarze 1215: /* For less(1), use the tag file. */
1.239 schwarze 1216:
1.309 schwarze 1217: use_ofn = 1;
1.244 schwarze 1218: if ((cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1219: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1220: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1221: argv[argc++] = mandoc_strdup("-T");
1222: argv[argc++] = tag_files->tfn;
1.309 schwarze 1223: if (tag_files->tagname != NULL) {
1224: argv[argc++] = mandoc_strdup("-t");
1225: argv[argc++] = tag_files->tagname;
1226: use_ofn = 0;
1227: }
1.244 schwarze 1228: }
1.239 schwarze 1229: }
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: }
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