Annotation of mandoc/main.c, Revision 1.336
1.336 ! schwarze 1: /* $Id: main.c,v 1.335 2019/07/26 23:12:15 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:
1.335 schwarze 80: struct outstate {
1.336 ! schwarze 81: struct tag_files *tag_files; /* Tagging state variables. */
1.293 schwarze 82: void *outdata; /* data for output */
1.336 ! schwarze 83: int use_pager;
1.148 kristaps 84: int wstop; /* stop after a file with a warning */
1.173 schwarze 85: enum outt outtype; /* which output to use */
1.79 kristaps 86: };
1.270 schwarze 87:
88:
89: int mandocdb(int, char *[]);
1.79 kristaps 90:
1.312 schwarze 91: static void check_xr(void);
1.213 schwarze 92: static int fs_lookup(const struct manpaths *,
93: size_t ipath, const char *,
94: const char *, const char *,
95: struct manpage **, size_t *);
1.295 schwarze 96: static int fs_search(const struct mansearch *,
1.213 schwarze 97: const struct manpaths *, int, char**,
98: struct manpage **, size_t *);
1.335 schwarze 99: static void outdata_alloc(struct outstate *, struct manoutput *);
1.334 schwarze 100: static void parse(struct mparse *, int, const char *,
1.335 schwarze 101: struct outstate *, struct manoutput *);
1.329 schwarze 102: static void passthrough(int, int);
1.333 schwarze 103: static void run_pager(struct tag_files *);
1.244 schwarze 104: static pid_t spawn_pager(struct tag_files *);
1.283 schwarze 105: static void usage(enum argmode) __attribute__((__noreturn__));
1.334 schwarze 106: static int woptions(char *, enum mandoc_os *, int *);
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: {
1.334 schwarze 116: struct manconf conf; /* Manpaths and output options. */
1.335 schwarze 117: struct outstate outst; /* Output state. */
1.334 schwarze 118: struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
119: struct mansearch search; /* Search options. */
120: struct manpage *res, *resp; /* Search results. */
121: struct mparse *mp; /* Opaque parser object. */
122: const char *conf_file; /* -C: alternate config file. */
123: const char *os_s; /* -I: Operating system for display. */
1.282 schwarze 124: const char *progname, *sec, *thisarg;
1.334 schwarze 125: char *defpaths; /* -M: override manpaths. */
126: char *auxpaths; /* -m: additional manpaths. */
127: char *oarg; /* -O: output option string. */
128: char *tagarg; /* -O tag: default value. */
1.207 schwarze 129: unsigned char *uc;
1.334 schwarze 130: size_t sz; /* Number of elements in res[]. */
131: size_t i, ssz;
132: int options; /* Parser options. */
133: int show_usage; /* Invalid argument: give up. */
1.230 schwarze 134: int prio, best_prio;
1.305 schwarze 135: int fd, startdir;
1.180 schwarze 136: int c;
1.334 schwarze 137: enum mandoc_os os_e; /* Check base system conventions. */
138: enum outmode outmode; /* According to command line. */
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
1.329 schwarze 158: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {
159: mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
160: return mandoc_msg_getrc();
161: }
1.269 kristaps 162: #endif
163: #if HAVE_SANDBOX_INIT
164: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
165: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 166: #endif
167:
1.180 schwarze 168: /* Search options. */
169:
1.229 schwarze 170: memset(&conf, 0, sizeof(conf));
1.334 schwarze 171: conf_file = NULL;
172: defpaths = auxpaths = NULL;
1.180 schwarze 173:
174: memset(&search, 0, sizeof(struct mansearch));
175: search.outkey = "Nd";
1.282 schwarze 176: oarg = NULL;
1.180 schwarze 177:
1.254 schwarze 178: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 179: search.argmode = ARG_NAME;
1.254 schwarze 180: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 181: search.argmode = ARG_EXPR;
1.254 schwarze 182: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 183: search.argmode = ARG_WORD;
1.254 schwarze 184: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 185: search.argmode = ARG_NAME;
1.180 schwarze 186: else
187: search.argmode = ARG_FILE;
188:
1.335 schwarze 189: /* Parser options. */
1.54 kristaps 190:
1.335 schwarze 191: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.334 schwarze 192: os_e = MANDOC_OS_OTHER;
193: os_s = NULL;
1.335 schwarze 194:
195: /* Formatter options. */
196:
197: memset(&outst, 0, sizeof(outst));
1.336 ! schwarze 198: outst.tag_files = NULL;
1.335 schwarze 199: outst.outtype = OUTT_LOCALE;
1.336 ! schwarze 200: outst.use_pager = 1;
1.19 kristaps 201:
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':
1.336 ! schwarze 219: outst.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;
1.336 ! schwarze 226: outst.use_pager = 0;
1.190 schwarze 227: outmode = OUTMODE_ALL;
228: break;
1.173 schwarze 229: case 'I':
1.329 schwarze 230: if (strncmp(optarg, "os=", 3) != 0) {
231: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
232: "-I %s", optarg);
233: return mandoc_msg_getrc();
1.166 schwarze 234: }
1.334 schwarze 235: if (os_s != NULL) {
1.329 schwarze 236: mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,
237: "-I %s", optarg);
238: return mandoc_msg_getrc();
1.166 schwarze 239: }
1.334 schwarze 240: os_s = optarg + 3;
1.181 schwarze 241: break;
1.194 schwarze 242: case 'K':
1.329 schwarze 243: options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
244: if (strcmp(optarg, "utf-8") == 0)
245: options |= MPARSE_UTF8;
246: else if (strcmp(optarg, "iso-8859-1") == 0)
247: options |= MPARSE_LATIN1;
248: else if (strcmp(optarg, "us-ascii") != 0) {
249: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
250: "-K %s", optarg);
251: return mandoc_msg_getrc();
252: }
1.194 schwarze 253: break;
1.180 schwarze 254: case 'k':
255: search.argmode = ARG_EXPR;
256: break;
1.188 schwarze 257: case 'l':
258: search.argmode = ARG_FILE;
259: outmode = OUTMODE_ALL;
260: break;
1.180 schwarze 261: case 'M':
262: defpaths = optarg;
263: break;
1.173 schwarze 264: case 'm':
1.180 schwarze 265: auxpaths = optarg;
1.10 kristaps 266: break;
1.173 schwarze 267: case 'O':
1.282 schwarze 268: oarg = optarg;
1.44 kristaps 269: break;
1.180 schwarze 270: case 'S':
271: search.arch = optarg;
272: break;
273: case 's':
274: search.sec = optarg;
275: break;
1.173 schwarze 276: case 'T':
1.329 schwarze 277: if (strcmp(optarg, "ascii") == 0)
1.335 schwarze 278: outst.outtype = OUTT_ASCII;
1.329 schwarze 279: else if (strcmp(optarg, "lint") == 0) {
1.335 schwarze 280: outst.outtype = OUTT_LINT;
1.329 schwarze 281: mandoc_msg_setoutfile(stdout);
282: mandoc_msg_setmin(MANDOCERR_BASE);
283: } else if (strcmp(optarg, "tree") == 0)
1.335 schwarze 284: outst.outtype = OUTT_TREE;
1.329 schwarze 285: else if (strcmp(optarg, "man") == 0)
1.335 schwarze 286: outst.outtype = OUTT_MAN;
1.329 schwarze 287: else if (strcmp(optarg, "html") == 0)
1.335 schwarze 288: outst.outtype = OUTT_HTML;
1.329 schwarze 289: else if (strcmp(optarg, "markdown") == 0)
1.335 schwarze 290: outst.outtype = OUTT_MARKDOWN;
1.329 schwarze 291: else if (strcmp(optarg, "utf8") == 0)
1.335 schwarze 292: outst.outtype = OUTT_UTF8;
1.329 schwarze 293: else if (strcmp(optarg, "locale") == 0)
1.335 schwarze 294: outst.outtype = OUTT_LOCALE;
1.329 schwarze 295: else if (strcmp(optarg, "ps") == 0)
1.335 schwarze 296: outst.outtype = OUTT_PS;
1.329 schwarze 297: else if (strcmp(optarg, "pdf") == 0)
1.335 schwarze 298: outst.outtype = OUTT_PDF;
1.329 schwarze 299: else {
300: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
301: "-T %s", optarg);
302: return mandoc_msg_getrc();
303: }
1.1 kristaps 304: break;
1.173 schwarze 305: case 'W':
1.335 schwarze 306: if (woptions(optarg, &os_e, &outst.wstop) == -1)
1.329 schwarze 307: return mandoc_msg_getrc();
1.1 kristaps 308: break;
1.181 schwarze 309: case 'w':
310: outmode = OUTMODE_FLN;
311: break;
1.1 kristaps 312: default:
1.180 schwarze 313: show_usage = 1;
314: break;
1.1 kristaps 315: }
1.180 schwarze 316: }
317:
318: if (show_usage)
319: usage(search.argmode);
320:
1.185 schwarze 321: /* Postprocess options. */
322:
1.181 schwarze 323: if (outmode == OUTMODE_DEF) {
324: switch (search.argmode) {
325: case ARG_FILE:
326: outmode = OUTMODE_ALL;
1.336 ! schwarze 327: outst.use_pager = 0;
1.181 schwarze 328: break;
329: case ARG_NAME:
330: outmode = OUTMODE_ONE;
331: break;
332: default:
333: outmode = OUTMODE_LST;
334: break;
1.282 schwarze 335: }
336: }
337:
338: if (oarg != NULL) {
339: if (outmode == OUTMODE_LST)
340: search.outkey = oarg;
341: else {
342: while (oarg != NULL) {
343: if (manconf_output(&conf.output,
1.327 schwarze 344: strsep(&oarg, ","), 0) == -1)
1.329 schwarze 345: return mandoc_msg_getrc();
1.282 schwarze 346: }
1.181 schwarze 347: }
348: }
349:
1.335 schwarze 350: if (outst.outtype != OUTT_TREE || conf.output.noval == 0)
1.315 schwarze 351: options |= MPARSE_VALIDATE;
352:
1.246 schwarze 353: if (outmode == OUTMODE_FLN ||
354: outmode == OUTMODE_LST ||
355: !isatty(STDOUT_FILENO))
1.336 ! schwarze 356: outst.use_pager = 0;
1.304 schwarze 357:
1.336 ! schwarze 358: if (outst.use_pager &&
1.304 schwarze 359: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 360: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
361: ws.ws_col > 1) {
1.304 schwarze 362: if (conf.output.width == 0 && ws.ws_col < 79)
363: conf.output.width = ws.ws_col - 1;
364: if (conf.output.indent == 0 && ws.ws_col < 66)
365: conf.output.indent = 3;
366: }
1.246 schwarze 367:
1.255 schwarze 368: #if HAVE_PLEDGE
1.336 ! schwarze 369: if (outst.use_pager == 0) {
1.329 schwarze 370: if (pledge("stdio rpath", NULL) == -1) {
371: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
372: "%s", strerror(errno));
373: return mandoc_msg_getrc();
374: }
375: }
1.255 schwarze 376: #endif
377:
1.185 schwarze 378: /* Parse arguments. */
379:
1.219 schwarze 380: if (argc > 0) {
381: argc -= optind;
382: argv += optind;
383: }
1.186 schwarze 384: resp = NULL;
1.185 schwarze 385:
1.202 schwarze 386: /*
387: * Quirks for help(1)
388: * and for a man(1) section argument without -s.
389: */
390:
391: if (search.argmode == ARG_NAME) {
1.254 schwarze 392: if (*progname == 'h') {
1.202 schwarze 393: if (argc == 0) {
394: argv = help_argv;
395: argc = 1;
396: }
1.211 schwarze 397: } else if (argc > 1 &&
1.223 kristaps 398: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 399: ((isdigit(uc[0]) && (uc[1] == '\0' ||
1.324 schwarze 400: isalpha(uc[1]))) ||
1.207 schwarze 401: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 402: search.sec = (char *)uc;
1.202 schwarze 403: argv++;
404: argc--;
405: }
1.216 schwarze 406: if (search.arch == NULL)
407: search.arch = getenv("MACHINE");
1.223 kristaps 408: #ifdef MACHINE
1.216 schwarze 409: if (search.arch == NULL)
410: search.arch = MACHINE;
1.223 kristaps 411: #endif
1.185 schwarze 412: }
1.182 schwarze 413:
1.316 schwarze 414: /*
415: * Use the first argument for -O tag in addition to
416: * using it as a search term for man(1) or apropos(1).
417: */
418:
419: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
420: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
421: strchr(*argv, '=') : NULL;
422: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
423: }
424:
1.180 schwarze 425: /* man(1), whatis(1), apropos(1) */
426:
427: if (search.argmode != ARG_FILE) {
1.199 schwarze 428: if (search.argmode == ARG_NAME &&
429: outmode == OUTMODE_ONE)
430: search.firstmatch = 1;
1.182 schwarze 431:
432: /* Access the mandoc database. */
433:
1.229 schwarze 434: manconf_parse(&conf, conf_file, defpaths, auxpaths);
435: if ( ! mansearch(&search, &conf.manpath,
436: argc, argv, &res, &sz))
1.180 schwarze 437: usage(search.argmode);
1.213 schwarze 438:
1.305 schwarze 439: if (sz == 0 && search.argmode == ARG_NAME)
1.329 schwarze 440: (void)fs_search(&search, &conf.manpath,
1.305 schwarze 441: argc, argv, &res, &sz);
442:
443: if (search.argmode == ARG_NAME) {
444: for (c = 0; c < argc; c++) {
445: if (strchr(argv[c], '/') == NULL)
446: continue;
447: if (access(argv[c], R_OK) == -1) {
1.329 schwarze 448: mandoc_msg_setinfilename(argv[c]);
449: mandoc_msg(MANDOCERR_BADARG_BAD,
450: 0, 0, "%s", strerror(errno));
451: mandoc_msg_setinfilename(NULL);
1.305 schwarze 452: continue;
453: }
454: res = mandoc_reallocarray(res,
455: sz + 1, sizeof(*res));
456: res[sz].file = mandoc_strdup(argv[c]);
457: res[sz].names = NULL;
458: res[sz].output = NULL;
1.323 schwarze 459: res[sz].bits = 0;
1.305 schwarze 460: res[sz].ipath = SIZE_MAX;
461: res[sz].sec = 10;
462: res[sz].form = FORM_SRC;
463: sz++;
464: }
1.237 schwarze 465: }
1.187 schwarze 466:
467: if (sz == 0) {
1.305 schwarze 468: if (search.argmode != ARG_NAME)
469: warnx("nothing appropriate");
1.312 schwarze 470: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.187 schwarze 471: goto out;
472: }
1.182 schwarze 473:
474: /*
475: * For standard man(1) and -a output mode,
476: * prepare for copying filename pointers
477: * into the program parameter array.
478: */
479:
480: if (outmode == OUTMODE_ONE) {
481: argc = 1;
1.325 schwarze 482: best_prio = 40;
1.186 schwarze 483: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 484: argc = (int)sz;
485:
486: /* Iterate all matching manuals. */
487:
1.213 schwarze 488: resp = res;
1.181 schwarze 489: for (i = 0; i < sz; i++) {
490: if (outmode == OUTMODE_FLN)
491: puts(res[i].file);
1.182 schwarze 492: else if (outmode == OUTMODE_LST)
1.181 schwarze 493: printf("%s - %s\n", res[i].names,
494: res[i].output == NULL ? "" :
495: res[i].output);
1.186 schwarze 496: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 497: /* Search for the best section. */
1.264 schwarze 498: sec = res[i].file;
499: sec += strcspn(sec, "123456789");
500: if (sec[0] == '\0')
1.325 schwarze 501: continue; /* No section at all. */
1.264 schwarze 502: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 503: if (search.sec != NULL) {
504: ssz = strlen(search.sec);
505: if (strncmp(sec, search.sec, ssz) == 0)
506: sec += ssz;
507: } else
508: sec++; /* Prefer without suffix. */
509: if (*sec != '/')
510: prio += 10; /* Wrong dir name. */
511: if (search.sec != NULL &&
512: (strlen(sec) <= ssz + 3 ||
513: strcmp(sec + strlen(sec) - ssz,
514: search.sec) != 0))
515: prio += 20; /* Wrong file ext. */
1.182 schwarze 516: if (prio >= best_prio)
517: continue;
518: best_prio = prio;
1.186 schwarze 519: resp = res + i;
1.182 schwarze 520: }
1.181 schwarze 521: }
1.182 schwarze 522:
523: /*
524: * For man(1), -a and -i output mode, fall through
525: * to the main mandoc(1) code iterating files
526: * and running the parsers on each of them.
527: */
528:
529: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
530: goto out;
1.180 schwarze 531: }
532:
533: /* mandoc(1) */
534:
1.255 schwarze 535: #if HAVE_PLEDGE
1.336 ! schwarze 536: if (outst.use_pager) {
1.329 schwarze 537: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) {
538: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
539: "%s", strerror(errno));
540: return mandoc_msg_getrc();
541: }
1.260 schwarze 542: } else {
1.329 schwarze 543: if (pledge("stdio rpath", NULL) == -1) {
544: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
545: "%s", strerror(errno));
546: return mandoc_msg_getrc();
547: }
1.260 schwarze 548: }
1.255 schwarze 549: #endif
550:
1.329 schwarze 551: if (search.argmode == ARG_FILE && auxpaths != NULL) {
552: if (strcmp(auxpaths, "doc") == 0)
553: options |= MPARSE_MDOC;
554: else if (strcmp(auxpaths, "an") == 0)
555: options |= MPARSE_MAN;
556: }
1.241 schwarze 557:
1.249 schwarze 558: mchars_alloc();
1.334 schwarze 559: mp = mparse_alloc(options, os_e, os_s);
1.154 kristaps 560:
1.219 schwarze 561: if (argc < 1) {
1.336 ! schwarze 562: if (outst.use_pager)
! 563: outst.tag_files = tag_init(conf.output.tag);
1.312 schwarze 564: thisarg = "<stdin>";
565: mandoc_msg_setinfilename(thisarg);
1.335 schwarze 566: parse(mp, STDIN_FILENO, thisarg, &outst, &conf.output);
1.312 schwarze 567: mandoc_msg_setinfilename(NULL);
1.212 schwarze 568: }
1.64 kristaps 569:
1.305 schwarze 570: /*
571: * Remember the original working directory, if possible.
572: * This will be needed if some names on the command line
573: * are page names and some are relative file names.
574: * Do not error out if the current directory is not
575: * readable: Maybe it won't be needed after all.
576: */
577: startdir = open(".", O_RDONLY | O_DIRECTORY);
578:
1.219 schwarze 579: while (argc > 0) {
1.305 schwarze 580:
581: /*
582: * Changing directories is not needed in ARG_FILE mode.
583: * Do it on a best-effort basis. Even in case of
584: * failure, some functionality may still work.
585: */
586: if (resp != NULL) {
587: if (resp->ipath != SIZE_MAX)
588: (void)chdir(conf.manpath.paths[resp->ipath]);
589: else if (startdir != -1)
590: (void)fchdir(startdir);
1.312 schwarze 591: thisarg = resp->file;
592: } else
593: thisarg = *argv;
1.305 schwarze 594:
1.329 schwarze 595: mandoc_msg_setinfilename(thisarg);
1.334 schwarze 596: fd = mparse_open(mp, thisarg);
1.212 schwarze 597: if (fd != -1) {
1.336 ! schwarze 598: if (outst.use_pager) {
! 599: outst.use_pager = 0;
! 600: outst.tag_files = tag_init(conf.output.tag);
1.244 schwarze 601: }
1.212 schwarze 602:
1.312 schwarze 603: if (resp == NULL || resp->form == FORM_SRC)
1.335 schwarze 604: parse(mp, fd, thisarg, &outst, &conf.output);
1.305 schwarze 605: else
1.329 schwarze 606: passthrough(fd, conf.output.synopsisonly);
1.302 schwarze 607:
608: if (ferror(stdout)) {
1.336 ! schwarze 609: if (outst.tag_files != NULL) {
1.329 schwarze 610: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1.336 ! schwarze 611: "%s: %s", outst.tag_files->ofn,
1.329 schwarze 612: strerror(errno));
1.302 schwarze 613: tag_unlink();
1.336 ! schwarze 614: outst.tag_files = NULL;
1.302 schwarze 615: } else
1.329 schwarze 616: mandoc_msg(MANDOCERR_WRITE, 0, 0,
617: "%s", strerror(errno));
1.302 schwarze 618: break;
619: }
1.212 schwarze 620:
1.335 schwarze 621: if (argc > 1 && outst.outtype <= OUTT_UTF8) {
622: if (outst.outdata == NULL)
623: outdata_alloc(&outst, &conf.output);
624: terminal_sepline(outst.outdata);
1.276 schwarze 625: }
1.314 schwarze 626: } else
1.329 schwarze 627: mandoc_msg(resp == NULL ? MANDOCERR_BADARG_BAD :
628: MANDOCERR_OPEN, 0, 0, "%s", strerror(errno));
629:
630: mandoc_msg_setinfilename(NULL);
1.192 schwarze 631:
1.335 schwarze 632: if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 633: break;
1.210 schwarze 634:
1.212 schwarze 635: if (resp != NULL)
636: resp++;
637: else
638: argv++;
639: if (--argc)
1.334 schwarze 640: mparse_reset(mp);
1.1 kristaps 641: }
1.305 schwarze 642: if (startdir != -1) {
643: (void)fchdir(startdir);
644: close(startdir);
645: }
1.1 kristaps 646:
1.335 schwarze 647: if (outst.outdata != NULL) {
648: switch (outst.outtype) {
1.252 schwarze 649: case OUTT_HTML:
1.335 schwarze 650: html_free(outst.outdata);
1.252 schwarze 651: break;
652: case OUTT_UTF8:
653: case OUTT_LOCALE:
654: case OUTT_ASCII:
1.335 schwarze 655: ascii_free(outst.outdata);
1.252 schwarze 656: break;
657: case OUTT_PDF:
658: case OUTT_PS:
1.335 schwarze 659: pspdf_free(outst.outdata);
1.252 schwarze 660: break;
661: default:
662: break;
663: }
1.250 schwarze 664: }
1.294 schwarze 665: mandoc_xr_free();
1.334 schwarze 666: mparse_free(mp);
1.249 schwarze 667: mchars_free();
1.182 schwarze 668:
669: out:
670: if (search.argmode != ARG_FILE) {
1.229 schwarze 671: manconf_free(&conf);
1.182 schwarze 672: mansearch_free(res, sz);
673: }
1.1 kristaps 674:
1.336 ! schwarze 675: if (outst.tag_files != NULL) {
1.225 schwarze 676: fclose(stdout);
1.239 schwarze 677: tag_write();
1.336 ! schwarze 678: run_pager(outst.tag_files);
1.239 schwarze 679: tag_unlink();
1.335 schwarze 680: } else if (outst.outtype != OUTT_LINT &&
1.331 schwarze 681: (search.argmode == ARG_FILE || sz > 0))
1.330 schwarze 682: mandoc_msg_summary();
683:
1.312 schwarze 684: return (int)mandoc_msg_getrc();
1.1 kristaps 685: }
686:
1.55 kristaps 687: static void
1.180 schwarze 688: usage(enum argmode argmode)
1.1 kristaps 689: {
1.180 schwarze 690: switch (argmode) {
691: case ARG_FILE:
1.287 schwarze 692: fputs("usage: mandoc [-ac] [-I os=name] "
693: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 694: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 695: break;
696: case ARG_NAME:
1.287 schwarze 697: fputs("usage: man [-acfhklw] [-C file] [-M path] "
698: "[-m path] [-S subsection]\n"
699: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 700: break;
701: case ARG_WORD:
1.287 schwarze 702: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 703: "[-M path] [-m path] [-O outkey] [-S arch]\n"
704: "\t [-s section] name ...\n", stderr);
1.180 schwarze 705: break;
706: case ARG_EXPR:
1.287 schwarze 707: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 708: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 709: "\t [-s section] expression ...\n", stderr);
710: break;
711: }
1.105 kristaps 712: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 713: }
1.213 schwarze 714:
715: static int
716: fs_lookup(const struct manpaths *paths, size_t ipath,
717: const char *sec, const char *arch, const char *name,
718: struct manpage **res, size_t *ressz)
719: {
1.326 schwarze 720: struct stat sb;
1.222 schwarze 721: glob_t globinfo;
1.213 schwarze 722: struct manpage *page;
723: char *file;
1.274 schwarze 724: int globres;
725: enum form form;
1.213 schwarze 726:
1.222 schwarze 727: form = FORM_SRC;
1.213 schwarze 728: mandoc_asprintf(&file, "%s/man%s/%s.%s",
729: paths->paths[ipath], sec, name, sec);
1.326 schwarze 730: if (stat(file, &sb) != -1)
1.213 schwarze 731: goto found;
732: free(file);
733:
734: mandoc_asprintf(&file, "%s/cat%s/%s.0",
735: paths->paths[ipath], sec, name);
1.326 schwarze 736: if (stat(file, &sb) != -1) {
1.213 schwarze 737: form = FORM_CAT;
738: goto found;
739: }
740: free(file);
741:
742: if (arch != NULL) {
743: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
744: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 745: if (stat(file, &sb) != -1)
1.213 schwarze 746: goto found;
747: free(file);
748: }
1.222 schwarze 749:
1.240 schwarze 750: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 751: paths->paths[ipath], sec, name);
752: globres = glob(file, 0, NULL, &globinfo);
753: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 schwarze 754: mandoc_msg(MANDOCERR_GLOB, 0, 0,
755: "%s: %s", file, strerror(errno));
1.222 schwarze 756: free(file);
757: if (globres == 0)
758: file = mandoc_strdup(*globinfo.gl_pathv);
759: globfree(&globinfo);
1.326 schwarze 760: if (globres == 0) {
761: if (stat(file, &sb) != -1)
762: goto found;
763: free(file);
764: }
1.296 schwarze 765: if (res != NULL || ipath + 1 != paths->sz)
1.329 schwarze 766: return -1;
1.213 schwarze 767:
1.296 schwarze 768: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 769: globres = stat(file, &sb);
1.296 schwarze 770: free(file);
1.329 schwarze 771: return globres;
1.296 schwarze 772:
1.213 schwarze 773: found:
1.266 schwarze 774: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
775: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 776: if (res == NULL) {
777: free(file);
1.329 schwarze 778: return 0;
1.296 schwarze 779: }
1.329 schwarze 780: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 781: page = *res + (*ressz - 1);
782: page->file = file;
783: page->names = NULL;
784: page->output = NULL;
1.323 schwarze 785: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 786: page->ipath = ipath;
787: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
788: page->form = form;
1.329 schwarze 789: return 0;
1.213 schwarze 790: }
791:
1.295 schwarze 792: static int
1.213 schwarze 793: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
794: int argc, char **argv, struct manpage **res, size_t *ressz)
795: {
796: const char *const sections[] =
1.264 schwarze 797: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 798: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
799:
800: size_t ipath, isec, lastsz;
801:
802: assert(cfg->argmode == ARG_NAME);
803:
1.295 schwarze 804: if (res != NULL)
805: *res = NULL;
1.213 schwarze 806: *ressz = lastsz = 0;
807: while (argc) {
808: for (ipath = 0; ipath < paths->sz; ipath++) {
809: if (cfg->sec != NULL) {
810: if (fs_lookup(paths, ipath, cfg->sec,
1.329 schwarze 811: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 812: cfg->firstmatch)
1.329 schwarze 813: return 0;
1.213 schwarze 814: } else for (isec = 0; isec < nsec; isec++)
815: if (fs_lookup(paths, ipath, sections[isec],
1.329 schwarze 816: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 817: cfg->firstmatch)
1.329 schwarze 818: return 0;
1.213 schwarze 819: }
1.305 schwarze 820: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 821: strchr(*argv, '/') == NULL) {
1.320 schwarze 822: if (cfg->arch != NULL &&
823: arch_valid(cfg->arch, OSENUM) == 0)
824: warnx("Unknown architecture \"%s\".",
825: cfg->arch);
826: else if (cfg->sec == NULL)
1.307 schwarze 827: warnx("No entry for %s in the manual.",
828: *argv);
829: else
830: warnx("No entry for %s in section %s "
831: "of the manual.", *argv, cfg->sec);
832: }
1.213 schwarze 833: lastsz = *ressz;
834: argv++;
835: argc--;
836: }
1.329 schwarze 837: return -1;
1.213 schwarze 838: }
1.68 joerg 839:
1.64 kristaps 840: static void
1.335 schwarze 841: parse(struct mparse *mp, int fd, const char *file,
842: struct outstate *outst, struct manoutput *outconf)
1.1 kristaps 843: {
1.315 schwarze 844: struct roff_meta *meta;
1.112 kristaps 845:
1.154 kristaps 846: /* Begin by parsing the file itself. */
1.112 kristaps 847:
1.154 kristaps 848: assert(file);
1.263 schwarze 849: assert(fd >= 0);
1.112 kristaps 850:
1.334 schwarze 851: mparse_readfd(mp, fd, file);
1.261 schwarze 852: if (fd != STDIN_FILENO)
853: close(fd);
1.112 kristaps 854:
1.1 kristaps 855: /*
1.154 kristaps 856: * With -Wstop and warnings or errors of at least the requested
857: * level, do not produce output.
1.1 kristaps 858: */
859:
1.335 schwarze 860: if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 861: return;
1.111 kristaps 862:
1.335 schwarze 863: if (outst->outdata == NULL)
864: outdata_alloc(outst, outconf);
865: else if (outst->outtype == OUTT_HTML)
866: html_reset(outst);
1.111 kristaps 867:
1.315 schwarze 868: mandoc_xr_reset();
1.334 schwarze 869: meta = mparse_result(mp);
1.250 schwarze 870:
871: /* Execute the out device, if it exists. */
872:
1.315 schwarze 873: if (meta->macroset == MACROSET_MDOC) {
1.335 schwarze 874: switch (outst->outtype) {
1.173 schwarze 875: case OUTT_HTML:
1.335 schwarze 876: html_mdoc(outst->outdata, meta);
1.111 kristaps 877: break;
1.173 schwarze 878: case OUTT_TREE:
1.335 schwarze 879: tree_mdoc(outst->outdata, meta);
1.111 kristaps 880: break;
1.173 schwarze 881: case OUTT_MAN:
1.335 schwarze 882: man_mdoc(outst->outdata, meta);
1.164 schwarze 883: break;
1.173 schwarze 884: case OUTT_PDF:
885: case OUTT_ASCII:
886: case OUTT_UTF8:
887: case OUTT_LOCALE:
888: case OUTT_PS:
1.335 schwarze 889: terminal_mdoc(outst->outdata, meta);
1.250 schwarze 890: break;
1.285 schwarze 891: case OUTT_MARKDOWN:
1.335 schwarze 892: markdown_mdoc(outst->outdata, meta);
1.285 schwarze 893: break;
1.250 schwarze 894: default:
895: break;
896: }
897: }
1.315 schwarze 898: if (meta->macroset == MACROSET_MAN) {
1.335 schwarze 899: switch (outst->outtype) {
1.250 schwarze 900: case OUTT_HTML:
1.335 schwarze 901: html_man(outst->outdata, meta);
1.250 schwarze 902: break;
903: case OUTT_TREE:
1.335 schwarze 904: tree_man(outst->outdata, meta);
1.250 schwarze 905: break;
906: case OUTT_MAN:
1.334 schwarze 907: mparse_copy(mp);
1.250 schwarze 908: break;
909: case OUTT_PDF:
910: case OUTT_ASCII:
911: case OUTT_UTF8:
912: case OUTT_LOCALE:
913: case OUTT_PS:
1.335 schwarze 914: terminal_man(outst->outdata, meta);
1.111 kristaps 915: break;
916: default:
917: break;
918: }
1.276 schwarze 919: }
1.312 schwarze 920: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
921: check_xr();
1.294 schwarze 922: }
923:
924: static void
1.312 schwarze 925: check_xr(void)
1.294 schwarze 926: {
927: static struct manpaths paths;
928: struct mansearch search;
929: struct mandoc_xr *xr;
930: size_t sz;
931:
932: if (paths.sz == 0)
933: manpath_base(&paths);
934:
935: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 936: if (xr->line == -1)
937: continue;
1.294 schwarze 938: search.arch = NULL;
939: search.sec = xr->sec;
940: search.outkey = NULL;
941: search.argmode = ARG_NAME;
942: search.firstmatch = 1;
943: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 944: continue;
1.329 schwarze 945: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1)
1.294 schwarze 946: continue;
1.298 schwarze 947: if (xr->count == 1)
1.313 schwarze 948: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
949: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 950: else
1.313 schwarze 951: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
952: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 953: xr->name, xr->sec, xr->count);
1.294 schwarze 954: }
1.276 schwarze 955: }
956:
957: static void
1.335 schwarze 958: outdata_alloc(struct outstate *outst, struct manoutput *outconf)
1.276 schwarze 959: {
1.335 schwarze 960: switch (outst->outtype) {
1.276 schwarze 961: case OUTT_HTML:
1.335 schwarze 962: outst->outdata = html_alloc(outconf);
1.276 schwarze 963: break;
964: case OUTT_UTF8:
1.335 schwarze 965: outst->outdata = utf8_alloc(outconf);
1.276 schwarze 966: break;
967: case OUTT_LOCALE:
1.335 schwarze 968: outst->outdata = locale_alloc(outconf);
1.276 schwarze 969: break;
970: case OUTT_ASCII:
1.335 schwarze 971: outst->outdata = ascii_alloc(outconf);
1.276 schwarze 972: break;
973: case OUTT_PDF:
1.335 schwarze 974: outst->outdata = pdf_alloc(outconf);
1.276 schwarze 975: break;
976: case OUTT_PS:
1.335 schwarze 977: outst->outdata = ps_alloc(outconf);
1.276 schwarze 978: break;
979: default:
980: break;
1.111 kristaps 981: }
1.186 schwarze 982: }
983:
1.227 schwarze 984: static void
1.329 schwarze 985: passthrough(int fd, int synopsis_only)
1.186 schwarze 986: {
1.197 schwarze 987: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
988: const char synr[] = "SYNOPSIS";
989:
990: FILE *stream;
1.257 schwarze 991: char *line, *cp;
992: size_t linesz;
1.277 schwarze 993: ssize_t len, written;
1.329 schwarze 994: int lno, print;
1.210 schwarze 995:
1.329 schwarze 996: stream = NULL;
1.257 schwarze 997: line = NULL;
998: linesz = 0;
1.197 schwarze 999:
1.277 schwarze 1000: if (fflush(stdout) == EOF) {
1.329 schwarze 1001: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1002: goto done;
1.277 schwarze 1003: }
1.197 schwarze 1004: if ((stream = fdopen(fd, "r")) == NULL) {
1005: close(fd);
1.329 schwarze 1006: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1007: goto done;
1.197 schwarze 1008: }
1.186 schwarze 1009:
1.329 schwarze 1010: lno = print = 0;
1.277 schwarze 1011: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 schwarze 1012: lno++;
1.257 schwarze 1013: cp = line;
1.197 schwarze 1014: if (synopsis_only) {
1015: if (print) {
1.257 schwarze 1016: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1017: goto done;
1.277 schwarze 1018: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1019: cp++;
1.277 schwarze 1020: len--;
1021: }
1.197 schwarze 1022: } else {
1.257 schwarze 1023: if (strcmp(cp, synb) == 0 ||
1024: strcmp(cp, synr) == 0)
1.197 schwarze 1025: print = 1;
1026: continue;
1027: }
1028: }
1.277 schwarze 1029: for (; len > 0; len -= written) {
1.329 schwarze 1030: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1031: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1032: "%s", strerror(errno));
1033: goto done;
1034: }
1.257 schwarze 1035: }
1.197 schwarze 1036: }
1.329 schwarze 1037: if (ferror(stream))
1038: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1039:
1.197 schwarze 1040: done:
1.257 schwarze 1041: free(line);
1.329 schwarze 1042: if (stream != NULL)
1043: fclose(stream);
1.1 kristaps 1044: }
1045:
1046: static int
1.334 schwarze 1047: woptions(char *arg, enum mandoc_os *os_e, int *wstop)
1.1 kristaps 1048: {
1.34 kristaps 1049: char *v, *o;
1.293 schwarze 1050: const char *toks[11];
1.1 kristaps 1051:
1.103 schwarze 1052: toks[0] = "stop";
1053: toks[1] = "all";
1.293 schwarze 1054: toks[2] = "base";
1055: toks[3] = "style";
1056: toks[4] = "warning";
1057: toks[5] = "error";
1058: toks[6] = "unsupp";
1059: toks[7] = "fatal";
1060: toks[8] = "openbsd";
1061: toks[9] = "netbsd";
1062: toks[10] = NULL;
1.1 kristaps 1063:
1.34 kristaps 1064: while (*arg) {
1065: o = arg;
1.272 schwarze 1066: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1067: case 0:
1.334 schwarze 1068: *wstop = 1;
1.1 kristaps 1069: break;
1.173 schwarze 1070: case 1:
1071: case 2:
1.312 schwarze 1072: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1073: break;
1074: case 3:
1.312 schwarze 1075: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1076: break;
1.290 schwarze 1077: case 4:
1.312 schwarze 1078: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1079: break;
1.290 schwarze 1080: case 5:
1.312 schwarze 1081: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1082: break;
1.290 schwarze 1083: case 6:
1.312 schwarze 1084: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1085: break;
1086: case 7:
1.329 schwarze 1087: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1088: break;
1089: case 8:
1.312 schwarze 1090: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1091: *os_e = MANDOC_OS_OPENBSD;
1.293 schwarze 1092: break;
1093: case 9:
1.312 schwarze 1094: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1095: *os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1096: break;
1.1 kristaps 1097: default:
1.329 schwarze 1098: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1099: return -1;
1.1 kristaps 1100: }
1.34 kristaps 1101: }
1.329 schwarze 1102: return 0;
1.333 schwarze 1103: }
1104:
1105: /*
1106: * Wait until moved to the foreground,
1107: * then fork the pager and wait for the user to close it.
1108: */
1109: static void
1110: run_pager(struct tag_files *tag_files)
1111: {
1112: int signum, status;
1113: pid_t man_pgid, tc_pgid;
1114: pid_t pager_pid, wait_pid;
1115:
1116: man_pgid = getpgid(0);
1117: tag_files->tcpgid = man_pgid == getpid() ? getpgid(getppid()) :
1118: man_pgid;
1119: pager_pid = 0;
1120: signum = SIGSTOP;
1121:
1122: for (;;) {
1123: /* Stop here until moved to the foreground. */
1124:
1125: tc_pgid = tcgetpgrp(tag_files->ofd);
1126: if (tc_pgid != man_pgid) {
1127: if (tc_pgid == pager_pid) {
1128: (void)tcsetpgrp(tag_files->ofd, man_pgid);
1129: if (signum == SIGTTIN)
1130: continue;
1131: } else
1132: tag_files->tcpgid = tc_pgid;
1133: kill(0, signum);
1134: continue;
1135: }
1136:
1137: /* Once in the foreground, activate the pager. */
1138:
1139: if (pager_pid) {
1140: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1141: kill(pager_pid, SIGCONT);
1142: } else
1143: pager_pid = spawn_pager(tag_files);
1144:
1145: /* Wait for the pager to stop or exit. */
1146:
1147: while ((wait_pid = waitpid(pager_pid, &status,
1148: WUNTRACED)) == -1 && errno == EINTR)
1149: continue;
1150:
1151: if (wait_pid == -1) {
1152: mandoc_msg(MANDOCERR_WAIT, 0, 0,
1153: "%s", strerror(errno));
1154: break;
1155: }
1156: if (!WIFSTOPPED(status))
1157: break;
1158:
1159: signum = WSTOPSIG(status);
1160: }
1.183 schwarze 1161: }
1162:
1.225 schwarze 1163: static pid_t
1.244 schwarze 1164: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1165: {
1.265 schwarze 1166: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1167: #define MAX_PAGER_ARGS 16
1168: char *argv[MAX_PAGER_ARGS];
1169: const char *pager;
1170: char *cp;
1.322 schwarze 1171: #if HAVE_LESS_T
1.239 schwarze 1172: size_t cmdlen;
1.322 schwarze 1173: #endif
1.309 schwarze 1174: int argc, use_ofn;
1.225 schwarze 1175: pid_t pager_pid;
1.183 schwarze 1176:
1.239 schwarze 1177: pager = getenv("MANPAGER");
1178: if (pager == NULL || *pager == '\0')
1179: pager = getenv("PAGER");
1180: if (pager == NULL || *pager == '\0')
1181: pager = "more -s";
1182: cp = mandoc_strdup(pager);
1183:
1184: /*
1185: * Parse the pager command into words.
1186: * Intentionally do not do anything fancy here.
1187: */
1188:
1189: argc = 0;
1.309 schwarze 1190: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1191: argv[argc++] = cp;
1192: cp = strchr(cp, ' ');
1193: if (cp == NULL)
1194: break;
1195: *cp++ = '\0';
1196: while (*cp == ' ')
1197: cp++;
1198: if (*cp == '\0')
1199: break;
1200: }
1201:
1.268 schwarze 1202: /* For less(1), use the tag file. */
1.239 schwarze 1203:
1.309 schwarze 1204: use_ofn = 1;
1.322 schwarze 1205: #if HAVE_LESS_T
1.332 schwarze 1206: if (*tag_files->tfn != '\0' && (cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1207: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1208: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1209: argv[argc++] = mandoc_strdup("-T");
1210: argv[argc++] = tag_files->tfn;
1.309 schwarze 1211: if (tag_files->tagname != NULL) {
1212: argv[argc++] = mandoc_strdup("-t");
1213: argv[argc++] = tag_files->tagname;
1214: use_ofn = 0;
1215: }
1.244 schwarze 1216: }
1.239 schwarze 1217: }
1.322 schwarze 1218: #endif
1.309 schwarze 1219: if (use_ofn)
1220: argv[argc++] = tag_files->ofn;
1.239 schwarze 1221: argv[argc] = NULL;
1222:
1.225 schwarze 1223: switch (pager_pid = fork()) {
1.183 schwarze 1224: case -1:
1.329 schwarze 1225: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1226: exit(mandoc_msg_getrc());
1.183 schwarze 1227: case 0:
1.224 schwarze 1228: break;
1229: default:
1.258 schwarze 1230: (void)setpgid(pager_pid, 0);
1.279 schwarze 1231: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1232: #if HAVE_PLEDGE
1.329 schwarze 1233: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1234: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1235: "%s", strerror(errno));
1236: exit(mandoc_msg_getrc());
1237: }
1.255 schwarze 1238: #endif
1.259 schwarze 1239: tag_files->pager_pid = pager_pid;
1.245 schwarze 1240: return pager_pid;
1.184 schwarze 1241: }
1242:
1.224 schwarze 1243: /* The child process becomes the pager. */
1.184 schwarze 1244:
1.329 schwarze 1245: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {
1246: mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));
1247: _exit(mandoc_msg_getrc());
1248: }
1.244 schwarze 1249: close(tag_files->ofd);
1.303 schwarze 1250: assert(tag_files->tfd == -1);
1.265 schwarze 1251:
1252: /* Do not start the pager before controlling the terminal. */
1253:
1.279 schwarze 1254: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1255: nanosleep(&timeout, NULL);
1256:
1.184 schwarze 1257: execvp(argv[0], argv);
1.329 schwarze 1258: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1259: _exit(mandoc_msg_getrc());
1.71 kristaps 1260: }
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