Annotation of mandoc/main.c, Revision 1.332
1.332 ! schwarze 1: /* $Id: main.c,v 1.331 2019/07/15 21:41:08 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();
1.331 schwarze 730: } else if (curp.outtype != OUTT_LINT &&
731: (search.argmode == ARG_FILE || sz > 0))
1.330 schwarze 732: mandoc_msg_summary();
733:
1.312 schwarze 734: return (int)mandoc_msg_getrc();
1.1 kristaps 735: }
736:
1.55 kristaps 737: static void
1.180 schwarze 738: usage(enum argmode argmode)
1.1 kristaps 739: {
1.180 schwarze 740: switch (argmode) {
741: case ARG_FILE:
1.287 schwarze 742: fputs("usage: mandoc [-ac] [-I os=name] "
743: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 744: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 745: break;
746: case ARG_NAME:
1.287 schwarze 747: fputs("usage: man [-acfhklw] [-C file] [-M path] "
748: "[-m path] [-S subsection]\n"
749: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 750: break;
751: case ARG_WORD:
1.287 schwarze 752: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 753: "[-M path] [-m path] [-O outkey] [-S arch]\n"
754: "\t [-s section] name ...\n", stderr);
1.180 schwarze 755: break;
756: case ARG_EXPR:
1.287 schwarze 757: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 758: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 759: "\t [-s section] expression ...\n", stderr);
760: break;
761: }
1.105 kristaps 762: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 763: }
1.213 schwarze 764:
765: static int
766: fs_lookup(const struct manpaths *paths, size_t ipath,
767: const char *sec, const char *arch, const char *name,
768: struct manpage **res, size_t *ressz)
769: {
1.326 schwarze 770: struct stat sb;
1.222 schwarze 771: glob_t globinfo;
1.213 schwarze 772: struct manpage *page;
773: char *file;
1.274 schwarze 774: int globres;
775: enum form form;
1.213 schwarze 776:
1.222 schwarze 777: form = FORM_SRC;
1.213 schwarze 778: mandoc_asprintf(&file, "%s/man%s/%s.%s",
779: paths->paths[ipath], sec, name, sec);
1.326 schwarze 780: if (stat(file, &sb) != -1)
1.213 schwarze 781: goto found;
782: free(file);
783:
784: mandoc_asprintf(&file, "%s/cat%s/%s.0",
785: paths->paths[ipath], sec, name);
1.326 schwarze 786: if (stat(file, &sb) != -1) {
1.213 schwarze 787: form = FORM_CAT;
788: goto found;
789: }
790: free(file);
791:
792: if (arch != NULL) {
793: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
794: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 795: if (stat(file, &sb) != -1)
1.213 schwarze 796: goto found;
797: free(file);
798: }
1.222 schwarze 799:
1.240 schwarze 800: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 801: paths->paths[ipath], sec, name);
802: globres = glob(file, 0, NULL, &globinfo);
803: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 schwarze 804: mandoc_msg(MANDOCERR_GLOB, 0, 0,
805: "%s: %s", file, strerror(errno));
1.222 schwarze 806: free(file);
807: if (globres == 0)
808: file = mandoc_strdup(*globinfo.gl_pathv);
809: globfree(&globinfo);
1.326 schwarze 810: if (globres == 0) {
811: if (stat(file, &sb) != -1)
812: goto found;
813: free(file);
814: }
1.296 schwarze 815: if (res != NULL || ipath + 1 != paths->sz)
1.329 schwarze 816: return -1;
1.213 schwarze 817:
1.296 schwarze 818: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 819: globres = stat(file, &sb);
1.296 schwarze 820: free(file);
1.329 schwarze 821: return globres;
1.296 schwarze 822:
1.213 schwarze 823: found:
1.266 schwarze 824: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
825: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 826: if (res == NULL) {
827: free(file);
1.329 schwarze 828: return 0;
1.296 schwarze 829: }
1.329 schwarze 830: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 831: page = *res + (*ressz - 1);
832: page->file = file;
833: page->names = NULL;
834: page->output = NULL;
1.323 schwarze 835: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 836: page->ipath = ipath;
837: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
838: page->form = form;
1.329 schwarze 839: return 0;
1.213 schwarze 840: }
841:
1.295 schwarze 842: static int
1.213 schwarze 843: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
844: int argc, char **argv, struct manpage **res, size_t *ressz)
845: {
846: const char *const sections[] =
1.264 schwarze 847: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 848: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
849:
850: size_t ipath, isec, lastsz;
851:
852: assert(cfg->argmode == ARG_NAME);
853:
1.295 schwarze 854: if (res != NULL)
855: *res = NULL;
1.213 schwarze 856: *ressz = lastsz = 0;
857: while (argc) {
858: for (ipath = 0; ipath < paths->sz; ipath++) {
859: if (cfg->sec != NULL) {
860: if (fs_lookup(paths, ipath, cfg->sec,
1.329 schwarze 861: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 862: cfg->firstmatch)
1.329 schwarze 863: return 0;
1.213 schwarze 864: } else for (isec = 0; isec < nsec; isec++)
865: if (fs_lookup(paths, ipath, sections[isec],
1.329 schwarze 866: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 867: cfg->firstmatch)
1.329 schwarze 868: return 0;
1.213 schwarze 869: }
1.305 schwarze 870: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 871: strchr(*argv, '/') == NULL) {
1.320 schwarze 872: if (cfg->arch != NULL &&
873: arch_valid(cfg->arch, OSENUM) == 0)
874: warnx("Unknown architecture \"%s\".",
875: cfg->arch);
876: else if (cfg->sec == NULL)
1.307 schwarze 877: warnx("No entry for %s in the manual.",
878: *argv);
879: else
880: warnx("No entry for %s in section %s "
881: "of the manual.", *argv, cfg->sec);
882: }
1.213 schwarze 883: lastsz = *ressz;
884: argv++;
885: argc--;
886: }
1.329 schwarze 887: return -1;
1.213 schwarze 888: }
1.68 joerg 889:
1.64 kristaps 890: static void
1.227 schwarze 891: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 892: {
1.315 schwarze 893: struct roff_meta *meta;
1.112 kristaps 894:
1.154 kristaps 895: /* Begin by parsing the file itself. */
1.112 kristaps 896:
1.154 kristaps 897: assert(file);
1.263 schwarze 898: assert(fd >= 0);
1.112 kristaps 899:
1.312 schwarze 900: mparse_readfd(curp->mp, fd, file);
1.261 schwarze 901: if (fd != STDIN_FILENO)
902: close(fd);
1.112 kristaps 903:
1.1 kristaps 904: /*
1.154 kristaps 905: * With -Wstop and warnings or errors of at least the requested
906: * level, do not produce output.
1.1 kristaps 907: */
908:
1.312 schwarze 909: if (curp->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 910: return;
1.111 kristaps 911:
1.276 schwarze 912: if (curp->outdata == NULL)
913: outdata_alloc(curp);
1.319 schwarze 914: else if (curp->outtype == OUTT_HTML)
915: html_reset(curp);
1.111 kristaps 916:
1.315 schwarze 917: mandoc_xr_reset();
918: meta = mparse_result(curp->mp);
1.250 schwarze 919:
920: /* Execute the out device, if it exists. */
921:
1.315 schwarze 922: if (meta->macroset == MACROSET_MDOC) {
1.111 kristaps 923: switch (curp->outtype) {
1.173 schwarze 924: case OUTT_HTML:
1.315 schwarze 925: html_mdoc(curp->outdata, meta);
1.111 kristaps 926: break;
1.173 schwarze 927: case OUTT_TREE:
1.315 schwarze 928: tree_mdoc(curp->outdata, meta);
1.111 kristaps 929: break;
1.173 schwarze 930: case OUTT_MAN:
1.315 schwarze 931: man_mdoc(curp->outdata, meta);
1.164 schwarze 932: break;
1.173 schwarze 933: case OUTT_PDF:
934: case OUTT_ASCII:
935: case OUTT_UTF8:
936: case OUTT_LOCALE:
937: case OUTT_PS:
1.315 schwarze 938: terminal_mdoc(curp->outdata, meta);
1.250 schwarze 939: break;
1.285 schwarze 940: case OUTT_MARKDOWN:
1.315 schwarze 941: markdown_mdoc(curp->outdata, meta);
1.285 schwarze 942: break;
1.250 schwarze 943: default:
944: break;
945: }
946: }
1.315 schwarze 947: if (meta->macroset == MACROSET_MAN) {
1.250 schwarze 948: switch (curp->outtype) {
949: case OUTT_HTML:
1.315 schwarze 950: html_man(curp->outdata, meta);
1.250 schwarze 951: break;
952: case OUTT_TREE:
1.315 schwarze 953: tree_man(curp->outdata, meta);
1.250 schwarze 954: break;
955: case OUTT_MAN:
1.308 schwarze 956: mparse_copy(curp->mp);
1.250 schwarze 957: break;
958: case OUTT_PDF:
959: case OUTT_ASCII:
960: case OUTT_UTF8:
961: case OUTT_LOCALE:
962: case OUTT_PS:
1.315 schwarze 963: terminal_man(curp->outdata, meta);
1.111 kristaps 964: break;
965: default:
966: break;
967: }
1.276 schwarze 968: }
1.312 schwarze 969: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
970: check_xr();
1.294 schwarze 971: }
972:
973: static void
1.312 schwarze 974: check_xr(void)
1.294 schwarze 975: {
976: static struct manpaths paths;
977: struct mansearch search;
978: struct mandoc_xr *xr;
979: size_t sz;
980:
981: if (paths.sz == 0)
982: manpath_base(&paths);
983:
984: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 985: if (xr->line == -1)
986: continue;
1.294 schwarze 987: search.arch = NULL;
988: search.sec = xr->sec;
989: search.outkey = NULL;
990: search.argmode = ARG_NAME;
991: search.firstmatch = 1;
992: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 993: continue;
1.329 schwarze 994: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1)
1.294 schwarze 995: continue;
1.298 schwarze 996: if (xr->count == 1)
1.313 schwarze 997: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
998: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 999: else
1.313 schwarze 1000: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1001: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 1002: xr->name, xr->sec, xr->count);
1.294 schwarze 1003: }
1.276 schwarze 1004: }
1005:
1006: static void
1007: outdata_alloc(struct curparse *curp)
1008: {
1009: switch (curp->outtype) {
1010: case OUTT_HTML:
1011: curp->outdata = html_alloc(curp->outopts);
1012: break;
1013: case OUTT_UTF8:
1014: curp->outdata = utf8_alloc(curp->outopts);
1015: break;
1016: case OUTT_LOCALE:
1017: curp->outdata = locale_alloc(curp->outopts);
1018: break;
1019: case OUTT_ASCII:
1020: curp->outdata = ascii_alloc(curp->outopts);
1021: break;
1022: case OUTT_PDF:
1023: curp->outdata = pdf_alloc(curp->outopts);
1024: break;
1025: case OUTT_PS:
1026: curp->outdata = ps_alloc(curp->outopts);
1027: break;
1028: default:
1029: break;
1.111 kristaps 1030: }
1.186 schwarze 1031: }
1032:
1.227 schwarze 1033: static void
1.329 schwarze 1034: passthrough(int fd, int synopsis_only)
1.186 schwarze 1035: {
1.197 schwarze 1036: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
1037: const char synr[] = "SYNOPSIS";
1038:
1039: FILE *stream;
1.257 schwarze 1040: char *line, *cp;
1041: size_t linesz;
1.277 schwarze 1042: ssize_t len, written;
1.329 schwarze 1043: int lno, print;
1.210 schwarze 1044:
1.329 schwarze 1045: stream = NULL;
1.257 schwarze 1046: line = NULL;
1047: linesz = 0;
1.197 schwarze 1048:
1.277 schwarze 1049: if (fflush(stdout) == EOF) {
1.329 schwarze 1050: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1051: goto done;
1.277 schwarze 1052: }
1.197 schwarze 1053: if ((stream = fdopen(fd, "r")) == NULL) {
1054: close(fd);
1.329 schwarze 1055: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1056: goto done;
1.197 schwarze 1057: }
1.186 schwarze 1058:
1.329 schwarze 1059: lno = print = 0;
1.277 schwarze 1060: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 schwarze 1061: lno++;
1.257 schwarze 1062: cp = line;
1.197 schwarze 1063: if (synopsis_only) {
1064: if (print) {
1.257 schwarze 1065: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1066: goto done;
1.277 schwarze 1067: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1068: cp++;
1.277 schwarze 1069: len--;
1070: }
1.197 schwarze 1071: } else {
1.257 schwarze 1072: if (strcmp(cp, synb) == 0 ||
1073: strcmp(cp, synr) == 0)
1.197 schwarze 1074: print = 1;
1075: continue;
1076: }
1077: }
1.277 schwarze 1078: for (; len > 0; len -= written) {
1.329 schwarze 1079: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1080: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1081: "%s", strerror(errno));
1082: goto done;
1083: }
1.257 schwarze 1084: }
1.197 schwarze 1085: }
1.329 schwarze 1086: if (ferror(stream))
1087: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1088:
1.197 schwarze 1089: done:
1.257 schwarze 1090: free(line);
1.329 schwarze 1091: if (stream != NULL)
1092: fclose(stream);
1.1 kristaps 1093: }
1094:
1095: static int
1.103 schwarze 1096: woptions(struct curparse *curp, char *arg)
1.1 kristaps 1097: {
1.34 kristaps 1098: char *v, *o;
1.293 schwarze 1099: const char *toks[11];
1.1 kristaps 1100:
1.103 schwarze 1101: toks[0] = "stop";
1102: toks[1] = "all";
1.293 schwarze 1103: toks[2] = "base";
1104: toks[3] = "style";
1105: toks[4] = "warning";
1106: toks[5] = "error";
1107: toks[6] = "unsupp";
1108: toks[7] = "fatal";
1109: toks[8] = "openbsd";
1110: toks[9] = "netbsd";
1111: toks[10] = NULL;
1.1 kristaps 1112:
1.34 kristaps 1113: while (*arg) {
1114: o = arg;
1.272 schwarze 1115: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1116: case 0:
1.103 schwarze 1117: curp->wstop = 1;
1.1 kristaps 1118: break;
1.173 schwarze 1119: case 1:
1120: case 2:
1.312 schwarze 1121: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1122: break;
1123: case 3:
1.312 schwarze 1124: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1125: break;
1.290 schwarze 1126: case 4:
1.312 schwarze 1127: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1128: break;
1.290 schwarze 1129: case 5:
1.312 schwarze 1130: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1131: break;
1.290 schwarze 1132: case 6:
1.312 schwarze 1133: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1134: break;
1135: case 7:
1.329 schwarze 1136: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1137: break;
1138: case 8:
1.312 schwarze 1139: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1140: curp->os_e = MANDOC_OS_OPENBSD;
1141: break;
1142: case 9:
1.312 schwarze 1143: mandoc_msg_setmin(MANDOCERR_BASE);
1.293 schwarze 1144: curp->os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1145: break;
1.1 kristaps 1146: default:
1.329 schwarze 1147: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1148: return -1;
1.1 kristaps 1149: }
1.34 kristaps 1150: }
1.329 schwarze 1151: return 0;
1.183 schwarze 1152: }
1153:
1.225 schwarze 1154: static pid_t
1.244 schwarze 1155: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1156: {
1.265 schwarze 1157: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1158: #define MAX_PAGER_ARGS 16
1159: char *argv[MAX_PAGER_ARGS];
1160: const char *pager;
1161: char *cp;
1.322 schwarze 1162: #if HAVE_LESS_T
1.239 schwarze 1163: size_t cmdlen;
1.322 schwarze 1164: #endif
1.309 schwarze 1165: int argc, use_ofn;
1.225 schwarze 1166: pid_t pager_pid;
1.183 schwarze 1167:
1.239 schwarze 1168: pager = getenv("MANPAGER");
1169: if (pager == NULL || *pager == '\0')
1170: pager = getenv("PAGER");
1171: if (pager == NULL || *pager == '\0')
1172: pager = "more -s";
1173: cp = mandoc_strdup(pager);
1174:
1175: /*
1176: * Parse the pager command into words.
1177: * Intentionally do not do anything fancy here.
1178: */
1179:
1180: argc = 0;
1.309 schwarze 1181: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1182: argv[argc++] = cp;
1183: cp = strchr(cp, ' ');
1184: if (cp == NULL)
1185: break;
1186: *cp++ = '\0';
1187: while (*cp == ' ')
1188: cp++;
1189: if (*cp == '\0')
1190: break;
1191: }
1192:
1.268 schwarze 1193: /* For less(1), use the tag file. */
1.239 schwarze 1194:
1.309 schwarze 1195: use_ofn = 1;
1.322 schwarze 1196: #if HAVE_LESS_T
1.332 ! schwarze 1197: if (*tag_files->tfn != '\0' && (cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1198: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1199: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1200: argv[argc++] = mandoc_strdup("-T");
1201: argv[argc++] = tag_files->tfn;
1.309 schwarze 1202: if (tag_files->tagname != NULL) {
1203: argv[argc++] = mandoc_strdup("-t");
1204: argv[argc++] = tag_files->tagname;
1205: use_ofn = 0;
1206: }
1.244 schwarze 1207: }
1.239 schwarze 1208: }
1.322 schwarze 1209: #endif
1.309 schwarze 1210: if (use_ofn)
1211: argv[argc++] = tag_files->ofn;
1.239 schwarze 1212: argv[argc] = NULL;
1213:
1.225 schwarze 1214: switch (pager_pid = fork()) {
1.183 schwarze 1215: case -1:
1.329 schwarze 1216: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1217: exit(mandoc_msg_getrc());
1.183 schwarze 1218: case 0:
1.224 schwarze 1219: break;
1220: default:
1.258 schwarze 1221: (void)setpgid(pager_pid, 0);
1.279 schwarze 1222: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1223: #if HAVE_PLEDGE
1.329 schwarze 1224: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1225: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1226: "%s", strerror(errno));
1227: exit(mandoc_msg_getrc());
1228: }
1.255 schwarze 1229: #endif
1.259 schwarze 1230: tag_files->pager_pid = pager_pid;
1.245 schwarze 1231: return pager_pid;
1.184 schwarze 1232: }
1233:
1.224 schwarze 1234: /* The child process becomes the pager. */
1.184 schwarze 1235:
1.329 schwarze 1236: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {
1237: mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));
1238: _exit(mandoc_msg_getrc());
1239: }
1.244 schwarze 1240: close(tag_files->ofd);
1.303 schwarze 1241: assert(tag_files->tfd == -1);
1.265 schwarze 1242:
1243: /* Do not start the pager before controlling the terminal. */
1244:
1.279 schwarze 1245: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1246: nanosleep(&timeout, NULL);
1247:
1.184 schwarze 1248: execvp(argv[0], argv);
1.329 schwarze 1249: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1250: _exit(mandoc_msg_getrc());
1.71 kristaps 1251: }
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