Annotation of mandoc/main.c, Revision 1.335
1.335 ! schwarze 1: /* $Id: main.c,v 1.334 2019/07/26 21:03:19 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 {
1.293 schwarze 81: void *outdata; /* data for output */
1.148 kristaps 82: int wstop; /* stop after a file with a warning */
1.173 schwarze 83: enum outt outtype; /* which output to use */
1.79 kristaps 84: };
1.270 schwarze 85:
86:
87: int mandocdb(int, char *[]);
1.79 kristaps 88:
1.312 schwarze 89: static void check_xr(void);
1.213 schwarze 90: static int fs_lookup(const struct manpaths *,
91: size_t ipath, const char *,
92: const char *, const char *,
93: struct manpage **, size_t *);
1.295 schwarze 94: static int fs_search(const struct mansearch *,
1.213 schwarze 95: const struct manpaths *, int, char**,
96: struct manpage **, size_t *);
1.335 ! schwarze 97: static void outdata_alloc(struct outstate *, struct manoutput *);
1.334 schwarze 98: static void parse(struct mparse *, int, const char *,
1.335 ! schwarze 99: struct outstate *, struct manoutput *);
1.329 schwarze 100: static void passthrough(int, int);
1.333 schwarze 101: static void run_pager(struct tag_files *);
1.244 schwarze 102: static pid_t spawn_pager(struct tag_files *);
1.283 schwarze 103: static void usage(enum argmode) __attribute__((__noreturn__));
1.334 schwarze 104: static int woptions(char *, enum mandoc_os *, int *);
1.1 kristaps 105:
1.182 schwarze 106: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 107: static char help_arg[] = "help";
108: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 109:
1.173 schwarze 110:
1.1 kristaps 111: int
112: main(int argc, char *argv[])
113: {
1.334 schwarze 114: struct manconf conf; /* Manpaths and output options. */
1.335 ! schwarze 115: struct outstate outst; /* Output state. */
1.334 schwarze 116: struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
117: struct mansearch search; /* Search options. */
118: struct manpage *res, *resp; /* Search results. */
119: struct mparse *mp; /* Opaque parser object. */
120: struct tag_files *tag_files; /* Tagging state variables. */
121: const char *conf_file; /* -C: alternate config file. */
122: const char *os_s; /* -I: Operating system for display. */
1.282 schwarze 123: const char *progname, *sec, *thisarg;
1.334 schwarze 124: char *defpaths; /* -M: override manpaths. */
125: char *auxpaths; /* -m: additional manpaths. */
126: char *oarg; /* -O: output option string. */
127: char *tagarg; /* -O tag: default value. */
1.207 schwarze 128: unsigned char *uc;
1.334 schwarze 129: size_t sz; /* Number of elements in res[]. */
130: size_t i, ssz;
131: int options; /* Parser options. */
132: int show_usage; /* Invalid argument: give up. */
133: int use_pager; /* According to command line. */
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));
! 198: outst.outtype = OUTT_LOCALE;
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':
1.329 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;
1.244 schwarze 327: 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))
356: use_pager = 0;
1.304 schwarze 357:
358: if (use_pager &&
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
1.329 schwarze 369: if (use_pager == 0) {
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
1.260 schwarze 536: if (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) {
1.316 schwarze 562: if (use_pager) {
1.244 schwarze 563: tag_files = tag_init();
1.328 schwarze 564: if (tag_files != NULL)
565: tag_files->tagname = conf.output.tag;
1.316 schwarze 566: }
1.312 schwarze 567: thisarg = "<stdin>";
568: mandoc_msg_setinfilename(thisarg);
1.335 ! schwarze 569: parse(mp, STDIN_FILENO, thisarg, &outst, &conf.output);
1.312 schwarze 570: mandoc_msg_setinfilename(NULL);
1.212 schwarze 571: }
1.64 kristaps 572:
1.305 schwarze 573: /*
574: * Remember the original working directory, if possible.
575: * This will be needed if some names on the command line
576: * are page names and some are relative file names.
577: * Do not error out if the current directory is not
578: * readable: Maybe it won't be needed after all.
579: */
580: startdir = open(".", O_RDONLY | O_DIRECTORY);
581:
1.219 schwarze 582: while (argc > 0) {
1.305 schwarze 583:
584: /*
585: * Changing directories is not needed in ARG_FILE mode.
586: * Do it on a best-effort basis. Even in case of
587: * failure, some functionality may still work.
588: */
589: if (resp != NULL) {
590: if (resp->ipath != SIZE_MAX)
591: (void)chdir(conf.manpath.paths[resp->ipath]);
592: else if (startdir != -1)
593: (void)fchdir(startdir);
1.312 schwarze 594: thisarg = resp->file;
595: } else
596: thisarg = *argv;
1.305 schwarze 597:
1.329 schwarze 598: mandoc_msg_setinfilename(thisarg);
1.334 schwarze 599: fd = mparse_open(mp, thisarg);
1.212 schwarze 600: if (fd != -1) {
1.244 schwarze 601: if (use_pager) {
1.309 schwarze 602: use_pager = 0;
1.244 schwarze 603: tag_files = tag_init();
1.328 schwarze 604: if (tag_files != NULL)
605: tag_files->tagname = conf.output.tag;
1.244 schwarze 606: }
1.212 schwarze 607:
1.312 schwarze 608: if (resp == NULL || resp->form == FORM_SRC)
1.335 ! schwarze 609: parse(mp, fd, thisarg, &outst, &conf.output);
1.305 schwarze 610: else
1.329 schwarze 611: passthrough(fd, conf.output.synopsisonly);
1.302 schwarze 612:
613: if (ferror(stdout)) {
614: if (tag_files != NULL) {
1.329 schwarze 615: mandoc_msg(MANDOCERR_WRITE, 0, 0,
616: "%s: %s", tag_files->ofn,
617: strerror(errno));
1.302 schwarze 618: tag_unlink();
619: tag_files = NULL;
620: } else
1.329 schwarze 621: mandoc_msg(MANDOCERR_WRITE, 0, 0,
622: "%s", strerror(errno));
1.302 schwarze 623: break;
624: }
1.212 schwarze 625:
1.335 ! schwarze 626: if (argc > 1 && outst.outtype <= OUTT_UTF8) {
! 627: if (outst.outdata == NULL)
! 628: outdata_alloc(&outst, &conf.output);
! 629: terminal_sepline(outst.outdata);
1.276 schwarze 630: }
1.314 schwarze 631: } else
1.329 schwarze 632: mandoc_msg(resp == NULL ? MANDOCERR_BADARG_BAD :
633: MANDOCERR_OPEN, 0, 0, "%s", strerror(errno));
634:
635: mandoc_msg_setinfilename(NULL);
1.192 schwarze 636:
1.335 ! schwarze 637: if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 638: break;
1.210 schwarze 639:
1.212 schwarze 640: if (resp != NULL)
641: resp++;
642: else
643: argv++;
644: if (--argc)
1.334 schwarze 645: mparse_reset(mp);
1.1 kristaps 646: }
1.305 schwarze 647: if (startdir != -1) {
648: (void)fchdir(startdir);
649: close(startdir);
650: }
1.1 kristaps 651:
1.335 ! schwarze 652: if (outst.outdata != NULL) {
! 653: switch (outst.outtype) {
1.252 schwarze 654: case OUTT_HTML:
1.335 ! schwarze 655: html_free(outst.outdata);
1.252 schwarze 656: break;
657: case OUTT_UTF8:
658: case OUTT_LOCALE:
659: case OUTT_ASCII:
1.335 ! schwarze 660: ascii_free(outst.outdata);
1.252 schwarze 661: break;
662: case OUTT_PDF:
663: case OUTT_PS:
1.335 ! schwarze 664: pspdf_free(outst.outdata);
1.252 schwarze 665: break;
666: default:
667: break;
668: }
1.250 schwarze 669: }
1.294 schwarze 670: mandoc_xr_free();
1.334 schwarze 671: mparse_free(mp);
1.249 schwarze 672: mchars_free();
1.182 schwarze 673:
674: out:
675: if (search.argmode != ARG_FILE) {
1.229 schwarze 676: manconf_free(&conf);
1.182 schwarze 677: mansearch_free(res, sz);
678: }
1.1 kristaps 679:
1.244 schwarze 680: if (tag_files != NULL) {
1.225 schwarze 681: fclose(stdout);
1.239 schwarze 682: tag_write();
1.333 schwarze 683: run_pager(tag_files);
1.239 schwarze 684: tag_unlink();
1.335 ! schwarze 685: } else if (outst.outtype != OUTT_LINT &&
1.331 schwarze 686: (search.argmode == ARG_FILE || sz > 0))
1.330 schwarze 687: mandoc_msg_summary();
688:
1.312 schwarze 689: return (int)mandoc_msg_getrc();
1.1 kristaps 690: }
691:
1.55 kristaps 692: static void
1.180 schwarze 693: usage(enum argmode argmode)
1.1 kristaps 694: {
1.180 schwarze 695: switch (argmode) {
696: case ARG_FILE:
1.287 schwarze 697: fputs("usage: mandoc [-ac] [-I os=name] "
698: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 699: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 700: break;
701: case ARG_NAME:
1.287 schwarze 702: fputs("usage: man [-acfhklw] [-C file] [-M path] "
703: "[-m path] [-S subsection]\n"
704: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 705: break;
706: case ARG_WORD:
1.287 schwarze 707: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 708: "[-M path] [-m path] [-O outkey] [-S arch]\n"
709: "\t [-s section] name ...\n", stderr);
1.180 schwarze 710: break;
711: case ARG_EXPR:
1.287 schwarze 712: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 713: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 714: "\t [-s section] expression ...\n", stderr);
715: break;
716: }
1.105 kristaps 717: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 718: }
1.213 schwarze 719:
720: static int
721: fs_lookup(const struct manpaths *paths, size_t ipath,
722: const char *sec, const char *arch, const char *name,
723: struct manpage **res, size_t *ressz)
724: {
1.326 schwarze 725: struct stat sb;
1.222 schwarze 726: glob_t globinfo;
1.213 schwarze 727: struct manpage *page;
728: char *file;
1.274 schwarze 729: int globres;
730: enum form form;
1.213 schwarze 731:
1.222 schwarze 732: form = FORM_SRC;
1.213 schwarze 733: mandoc_asprintf(&file, "%s/man%s/%s.%s",
734: paths->paths[ipath], sec, name, sec);
1.326 schwarze 735: if (stat(file, &sb) != -1)
1.213 schwarze 736: goto found;
737: free(file);
738:
739: mandoc_asprintf(&file, "%s/cat%s/%s.0",
740: paths->paths[ipath], sec, name);
1.326 schwarze 741: if (stat(file, &sb) != -1) {
1.213 schwarze 742: form = FORM_CAT;
743: goto found;
744: }
745: free(file);
746:
747: if (arch != NULL) {
748: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
749: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 750: if (stat(file, &sb) != -1)
1.213 schwarze 751: goto found;
752: free(file);
753: }
1.222 schwarze 754:
1.240 schwarze 755: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.222 schwarze 756: paths->paths[ipath], sec, name);
757: globres = glob(file, 0, NULL, &globinfo);
758: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 schwarze 759: mandoc_msg(MANDOCERR_GLOB, 0, 0,
760: "%s: %s", file, strerror(errno));
1.222 schwarze 761: free(file);
762: if (globres == 0)
763: file = mandoc_strdup(*globinfo.gl_pathv);
764: globfree(&globinfo);
1.326 schwarze 765: if (globres == 0) {
766: if (stat(file, &sb) != -1)
767: goto found;
768: free(file);
769: }
1.296 schwarze 770: if (res != NULL || ipath + 1 != paths->sz)
1.329 schwarze 771: return -1;
1.213 schwarze 772:
1.296 schwarze 773: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 774: globres = stat(file, &sb);
1.296 schwarze 775: free(file);
1.329 schwarze 776: return globres;
1.296 schwarze 777:
1.213 schwarze 778: found:
1.266 schwarze 779: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
780: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 781: if (res == NULL) {
782: free(file);
1.329 schwarze 783: return 0;
1.296 schwarze 784: }
1.329 schwarze 785: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 786: page = *res + (*ressz - 1);
787: page->file = file;
788: page->names = NULL;
789: page->output = NULL;
1.323 schwarze 790: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 791: page->ipath = ipath;
792: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
793: page->form = form;
1.329 schwarze 794: return 0;
1.213 schwarze 795: }
796:
1.295 schwarze 797: static int
1.213 schwarze 798: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
799: int argc, char **argv, struct manpage **res, size_t *ressz)
800: {
801: const char *const sections[] =
1.264 schwarze 802: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 803: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
804:
805: size_t ipath, isec, lastsz;
806:
807: assert(cfg->argmode == ARG_NAME);
808:
1.295 schwarze 809: if (res != NULL)
810: *res = NULL;
1.213 schwarze 811: *ressz = lastsz = 0;
812: while (argc) {
813: for (ipath = 0; ipath < paths->sz; ipath++) {
814: if (cfg->sec != NULL) {
815: if (fs_lookup(paths, ipath, cfg->sec,
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: } else for (isec = 0; isec < nsec; isec++)
820: if (fs_lookup(paths, ipath, sections[isec],
1.329 schwarze 821: cfg->arch, *argv, res, ressz) != -1 &&
1.213 schwarze 822: cfg->firstmatch)
1.329 schwarze 823: return 0;
1.213 schwarze 824: }
1.305 schwarze 825: if (res != NULL && *ressz == lastsz &&
1.307 schwarze 826: strchr(*argv, '/') == NULL) {
1.320 schwarze 827: if (cfg->arch != NULL &&
828: arch_valid(cfg->arch, OSENUM) == 0)
829: warnx("Unknown architecture \"%s\".",
830: cfg->arch);
831: else if (cfg->sec == NULL)
1.307 schwarze 832: warnx("No entry for %s in the manual.",
833: *argv);
834: else
835: warnx("No entry for %s in section %s "
836: "of the manual.", *argv, cfg->sec);
837: }
1.213 schwarze 838: lastsz = *ressz;
839: argv++;
840: argc--;
841: }
1.329 schwarze 842: return -1;
1.213 schwarze 843: }
1.68 joerg 844:
1.64 kristaps 845: static void
1.335 ! schwarze 846: parse(struct mparse *mp, int fd, const char *file,
! 847: struct outstate *outst, struct manoutput *outconf)
1.1 kristaps 848: {
1.315 schwarze 849: struct roff_meta *meta;
1.112 kristaps 850:
1.154 kristaps 851: /* Begin by parsing the file itself. */
1.112 kristaps 852:
1.154 kristaps 853: assert(file);
1.263 schwarze 854: assert(fd >= 0);
1.112 kristaps 855:
1.334 schwarze 856: mparse_readfd(mp, fd, file);
1.261 schwarze 857: if (fd != STDIN_FILENO)
858: close(fd);
1.112 kristaps 859:
1.1 kristaps 860: /*
1.154 kristaps 861: * With -Wstop and warnings or errors of at least the requested
862: * level, do not produce output.
1.1 kristaps 863: */
864:
1.335 ! schwarze 865: if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 866: return;
1.111 kristaps 867:
1.335 ! schwarze 868: if (outst->outdata == NULL)
! 869: outdata_alloc(outst, outconf);
! 870: else if (outst->outtype == OUTT_HTML)
! 871: html_reset(outst);
1.111 kristaps 872:
1.315 schwarze 873: mandoc_xr_reset();
1.334 schwarze 874: meta = mparse_result(mp);
1.250 schwarze 875:
876: /* Execute the out device, if it exists. */
877:
1.315 schwarze 878: if (meta->macroset == MACROSET_MDOC) {
1.335 ! schwarze 879: switch (outst->outtype) {
1.173 schwarze 880: case OUTT_HTML:
1.335 ! schwarze 881: html_mdoc(outst->outdata, meta);
1.111 kristaps 882: break;
1.173 schwarze 883: case OUTT_TREE:
1.335 ! schwarze 884: tree_mdoc(outst->outdata, meta);
1.111 kristaps 885: break;
1.173 schwarze 886: case OUTT_MAN:
1.335 ! schwarze 887: man_mdoc(outst->outdata, meta);
1.164 schwarze 888: break;
1.173 schwarze 889: case OUTT_PDF:
890: case OUTT_ASCII:
891: case OUTT_UTF8:
892: case OUTT_LOCALE:
893: case OUTT_PS:
1.335 ! schwarze 894: terminal_mdoc(outst->outdata, meta);
1.250 schwarze 895: break;
1.285 schwarze 896: case OUTT_MARKDOWN:
1.335 ! schwarze 897: markdown_mdoc(outst->outdata, meta);
1.285 schwarze 898: break;
1.250 schwarze 899: default:
900: break;
901: }
902: }
1.315 schwarze 903: if (meta->macroset == MACROSET_MAN) {
1.335 ! schwarze 904: switch (outst->outtype) {
1.250 schwarze 905: case OUTT_HTML:
1.335 ! schwarze 906: html_man(outst->outdata, meta);
1.250 schwarze 907: break;
908: case OUTT_TREE:
1.335 ! schwarze 909: tree_man(outst->outdata, meta);
1.250 schwarze 910: break;
911: case OUTT_MAN:
1.334 schwarze 912: mparse_copy(mp);
1.250 schwarze 913: break;
914: case OUTT_PDF:
915: case OUTT_ASCII:
916: case OUTT_UTF8:
917: case OUTT_LOCALE:
918: case OUTT_PS:
1.335 ! schwarze 919: terminal_man(outst->outdata, meta);
1.111 kristaps 920: break;
921: default:
922: break;
923: }
1.276 schwarze 924: }
1.312 schwarze 925: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
926: check_xr();
1.294 schwarze 927: }
928:
929: static void
1.312 schwarze 930: check_xr(void)
1.294 schwarze 931: {
932: static struct manpaths paths;
933: struct mansearch search;
934: struct mandoc_xr *xr;
935: size_t sz;
936:
937: if (paths.sz == 0)
938: manpath_base(&paths);
939:
940: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 941: if (xr->line == -1)
942: continue;
1.294 schwarze 943: search.arch = NULL;
944: search.sec = xr->sec;
945: search.outkey = NULL;
946: search.argmode = ARG_NAME;
947: search.firstmatch = 1;
948: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 949: continue;
1.329 schwarze 950: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz) != -1)
1.294 schwarze 951: continue;
1.298 schwarze 952: if (xr->count == 1)
1.313 schwarze 953: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
954: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 955: else
1.313 schwarze 956: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
957: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 958: xr->name, xr->sec, xr->count);
1.294 schwarze 959: }
1.276 schwarze 960: }
961:
962: static void
1.335 ! schwarze 963: outdata_alloc(struct outstate *outst, struct manoutput *outconf)
1.276 schwarze 964: {
1.335 ! schwarze 965: switch (outst->outtype) {
1.276 schwarze 966: case OUTT_HTML:
1.335 ! schwarze 967: outst->outdata = html_alloc(outconf);
1.276 schwarze 968: break;
969: case OUTT_UTF8:
1.335 ! schwarze 970: outst->outdata = utf8_alloc(outconf);
1.276 schwarze 971: break;
972: case OUTT_LOCALE:
1.335 ! schwarze 973: outst->outdata = locale_alloc(outconf);
1.276 schwarze 974: break;
975: case OUTT_ASCII:
1.335 ! schwarze 976: outst->outdata = ascii_alloc(outconf);
1.276 schwarze 977: break;
978: case OUTT_PDF:
1.335 ! schwarze 979: outst->outdata = pdf_alloc(outconf);
1.276 schwarze 980: break;
981: case OUTT_PS:
1.335 ! schwarze 982: outst->outdata = ps_alloc(outconf);
1.276 schwarze 983: break;
984: default:
985: break;
1.111 kristaps 986: }
1.186 schwarze 987: }
988:
1.227 schwarze 989: static void
1.329 schwarze 990: passthrough(int fd, int synopsis_only)
1.186 schwarze 991: {
1.197 schwarze 992: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
993: const char synr[] = "SYNOPSIS";
994:
995: FILE *stream;
1.257 schwarze 996: char *line, *cp;
997: size_t linesz;
1.277 schwarze 998: ssize_t len, written;
1.329 schwarze 999: int lno, print;
1.210 schwarze 1000:
1.329 schwarze 1001: stream = NULL;
1.257 schwarze 1002: line = NULL;
1003: linesz = 0;
1.197 schwarze 1004:
1.277 schwarze 1005: if (fflush(stdout) == EOF) {
1.329 schwarze 1006: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1007: goto done;
1.277 schwarze 1008: }
1.197 schwarze 1009: if ((stream = fdopen(fd, "r")) == NULL) {
1010: close(fd);
1.329 schwarze 1011: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1012: goto done;
1.197 schwarze 1013: }
1.186 schwarze 1014:
1.329 schwarze 1015: lno = print = 0;
1.277 schwarze 1016: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 schwarze 1017: lno++;
1.257 schwarze 1018: cp = line;
1.197 schwarze 1019: if (synopsis_only) {
1020: if (print) {
1.257 schwarze 1021: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1022: goto done;
1.277 schwarze 1023: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1024: cp++;
1.277 schwarze 1025: len--;
1026: }
1.197 schwarze 1027: } else {
1.257 schwarze 1028: if (strcmp(cp, synb) == 0 ||
1029: strcmp(cp, synr) == 0)
1.197 schwarze 1030: print = 1;
1031: continue;
1032: }
1033: }
1.277 schwarze 1034: for (; len > 0; len -= written) {
1.329 schwarze 1035: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1036: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1037: "%s", strerror(errno));
1038: goto done;
1039: }
1.257 schwarze 1040: }
1.197 schwarze 1041: }
1.329 schwarze 1042: if (ferror(stream))
1043: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1044:
1.197 schwarze 1045: done:
1.257 schwarze 1046: free(line);
1.329 schwarze 1047: if (stream != NULL)
1048: fclose(stream);
1.1 kristaps 1049: }
1050:
1051: static int
1.334 schwarze 1052: woptions(char *arg, enum mandoc_os *os_e, int *wstop)
1.1 kristaps 1053: {
1.34 kristaps 1054: char *v, *o;
1.293 schwarze 1055: const char *toks[11];
1.1 kristaps 1056:
1.103 schwarze 1057: toks[0] = "stop";
1058: toks[1] = "all";
1.293 schwarze 1059: toks[2] = "base";
1060: toks[3] = "style";
1061: toks[4] = "warning";
1062: toks[5] = "error";
1063: toks[6] = "unsupp";
1064: toks[7] = "fatal";
1065: toks[8] = "openbsd";
1066: toks[9] = "netbsd";
1067: toks[10] = NULL;
1.1 kristaps 1068:
1.34 kristaps 1069: while (*arg) {
1070: o = arg;
1.272 schwarze 1071: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1072: case 0:
1.334 schwarze 1073: *wstop = 1;
1.1 kristaps 1074: break;
1.173 schwarze 1075: case 1:
1076: case 2:
1.312 schwarze 1077: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1078: break;
1079: case 3:
1.312 schwarze 1080: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1081: break;
1.290 schwarze 1082: case 4:
1.312 schwarze 1083: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1084: break;
1.290 schwarze 1085: case 5:
1.312 schwarze 1086: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1087: break;
1.290 schwarze 1088: case 6:
1.312 schwarze 1089: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1090: break;
1091: case 7:
1.329 schwarze 1092: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1093: break;
1094: case 8:
1.312 schwarze 1095: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1096: *os_e = MANDOC_OS_OPENBSD;
1.293 schwarze 1097: break;
1098: case 9:
1.312 schwarze 1099: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1100: *os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1101: break;
1.1 kristaps 1102: default:
1.329 schwarze 1103: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1104: return -1;
1.1 kristaps 1105: }
1.34 kristaps 1106: }
1.329 schwarze 1107: return 0;
1.333 schwarze 1108: }
1109:
1110: /*
1111: * Wait until moved to the foreground,
1112: * then fork the pager and wait for the user to close it.
1113: */
1114: static void
1115: run_pager(struct tag_files *tag_files)
1116: {
1117: int signum, status;
1118: pid_t man_pgid, tc_pgid;
1119: pid_t pager_pid, wait_pid;
1120:
1121: man_pgid = getpgid(0);
1122: tag_files->tcpgid = man_pgid == getpid() ? getpgid(getppid()) :
1123: man_pgid;
1124: pager_pid = 0;
1125: signum = SIGSTOP;
1126:
1127: for (;;) {
1128: /* Stop here until moved to the foreground. */
1129:
1130: tc_pgid = tcgetpgrp(tag_files->ofd);
1131: if (tc_pgid != man_pgid) {
1132: if (tc_pgid == pager_pid) {
1133: (void)tcsetpgrp(tag_files->ofd, man_pgid);
1134: if (signum == SIGTTIN)
1135: continue;
1136: } else
1137: tag_files->tcpgid = tc_pgid;
1138: kill(0, signum);
1139: continue;
1140: }
1141:
1142: /* Once in the foreground, activate the pager. */
1143:
1144: if (pager_pid) {
1145: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1146: kill(pager_pid, SIGCONT);
1147: } else
1148: pager_pid = spawn_pager(tag_files);
1149:
1150: /* Wait for the pager to stop or exit. */
1151:
1152: while ((wait_pid = waitpid(pager_pid, &status,
1153: WUNTRACED)) == -1 && errno == EINTR)
1154: continue;
1155:
1156: if (wait_pid == -1) {
1157: mandoc_msg(MANDOCERR_WAIT, 0, 0,
1158: "%s", strerror(errno));
1159: break;
1160: }
1161: if (!WIFSTOPPED(status))
1162: break;
1163:
1164: signum = WSTOPSIG(status);
1165: }
1.183 schwarze 1166: }
1167:
1.225 schwarze 1168: static pid_t
1.244 schwarze 1169: spawn_pager(struct tag_files *tag_files)
1.183 schwarze 1170: {
1.265 schwarze 1171: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1172: #define MAX_PAGER_ARGS 16
1173: char *argv[MAX_PAGER_ARGS];
1174: const char *pager;
1175: char *cp;
1.322 schwarze 1176: #if HAVE_LESS_T
1.239 schwarze 1177: size_t cmdlen;
1.322 schwarze 1178: #endif
1.309 schwarze 1179: int argc, use_ofn;
1.225 schwarze 1180: pid_t pager_pid;
1.183 schwarze 1181:
1.239 schwarze 1182: pager = getenv("MANPAGER");
1183: if (pager == NULL || *pager == '\0')
1184: pager = getenv("PAGER");
1185: if (pager == NULL || *pager == '\0')
1186: pager = "more -s";
1187: cp = mandoc_strdup(pager);
1188:
1189: /*
1190: * Parse the pager command into words.
1191: * Intentionally do not do anything fancy here.
1192: */
1193:
1194: argc = 0;
1.309 schwarze 1195: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1196: argv[argc++] = cp;
1197: cp = strchr(cp, ' ');
1198: if (cp == NULL)
1199: break;
1200: *cp++ = '\0';
1201: while (*cp == ' ')
1202: cp++;
1203: if (*cp == '\0')
1204: break;
1205: }
1206:
1.268 schwarze 1207: /* For less(1), use the tag file. */
1.239 schwarze 1208:
1.309 schwarze 1209: use_ofn = 1;
1.322 schwarze 1210: #if HAVE_LESS_T
1.332 schwarze 1211: if (*tag_files->tfn != '\0' && (cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1212: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1213: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1214: argv[argc++] = mandoc_strdup("-T");
1215: argv[argc++] = tag_files->tfn;
1.309 schwarze 1216: if (tag_files->tagname != NULL) {
1217: argv[argc++] = mandoc_strdup("-t");
1218: argv[argc++] = tag_files->tagname;
1219: use_ofn = 0;
1220: }
1.244 schwarze 1221: }
1.239 schwarze 1222: }
1.322 schwarze 1223: #endif
1.309 schwarze 1224: if (use_ofn)
1225: argv[argc++] = tag_files->ofn;
1.239 schwarze 1226: argv[argc] = NULL;
1227:
1.225 schwarze 1228: switch (pager_pid = fork()) {
1.183 schwarze 1229: case -1:
1.329 schwarze 1230: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1231: exit(mandoc_msg_getrc());
1.183 schwarze 1232: case 0:
1.224 schwarze 1233: break;
1234: default:
1.258 schwarze 1235: (void)setpgid(pager_pid, 0);
1.279 schwarze 1236: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.255 schwarze 1237: #if HAVE_PLEDGE
1.329 schwarze 1238: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1239: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1240: "%s", strerror(errno));
1241: exit(mandoc_msg_getrc());
1242: }
1.255 schwarze 1243: #endif
1.259 schwarze 1244: tag_files->pager_pid = pager_pid;
1.245 schwarze 1245: return pager_pid;
1.184 schwarze 1246: }
1247:
1.224 schwarze 1248: /* The child process becomes the pager. */
1.184 schwarze 1249:
1.329 schwarze 1250: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) {
1251: mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno));
1252: _exit(mandoc_msg_getrc());
1253: }
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);
1.329 schwarze 1263: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1264: _exit(mandoc_msg_getrc());
1.71 kristaps 1265: }
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