Annotation of mandoc/main.c, Revision 1.352
1.352 ! schwarze 1: /* $Id: main.c,v 1.351 2020/07/20 16:57:30 schwarze Exp $ */
1.1 kristaps 2: /*
1.345 schwarze 3: * Copyright (c) 2010-2012, 2014-2020 Ingo Schwarze <schwarze@openbsd.org>
1.183 schwarze 4: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
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.
1.345 schwarze 18: *
19: * Main program for mandoc(1), man(1), apropos(1), whatis(1), and help(1).
1.1 kristaps 20: */
1.58 kristaps 21: #include "config.h"
1.178 schwarze 22:
23: #include <sys/types.h>
1.304 schwarze 24: #include <sys/ioctl.h>
1.216 schwarze 25: #include <sys/param.h> /* MACHINE */
1.326 schwarze 26: #include <sys/stat.h>
1.224 schwarze 27: #include <sys/wait.h>
1.58 kristaps 28:
1.1 kristaps 29: #include <assert.h>
1.185 schwarze 30: #include <ctype.h>
1.256 schwarze 31: #if HAVE_ERR
1.247 schwarze 32: #include <err.h>
1.256 schwarze 33: #endif
1.258 schwarze 34: #include <errno.h>
1.186 schwarze 35: #include <fcntl.h>
1.222 schwarze 36: #include <glob.h>
1.341 schwarze 37: #include <limits.h>
1.269 kristaps 38: #if HAVE_SANDBOX_INIT
39: #include <sandbox.h>
40: #endif
1.226 schwarze 41: #include <signal.h>
1.1 kristaps 42: #include <stdio.h>
1.45 kristaps 43: #include <stdint.h>
1.1 kristaps 44: #include <stdlib.h>
45: #include <string.h>
1.321 schwarze 46: #include <termios.h>
1.265 schwarze 47: #include <time.h>
1.1 kristaps 48: #include <unistd.h>
49:
1.231 schwarze 50: #include "mandoc_aux.h"
1.71 kristaps 51: #include "mandoc.h"
1.294 schwarze 52: #include "mandoc_xr.h"
1.231 schwarze 53: #include "roff.h"
1.1 kristaps 54: #include "mdoc.h"
1.10 kristaps 55: #include "man.h"
1.311 schwarze 56: #include "mandoc_parse.h"
1.348 schwarze 57: #include "tag.h"
1.345 schwarze 58: #include "term_tag.h"
1.231 schwarze 59: #include "main.h"
1.229 schwarze 60: #include "manconf.h"
1.180 schwarze 61: #include "mansearch.h"
1.16 kristaps 62:
1.181 schwarze 63: enum outmode {
64: OUTMODE_DEF = 0,
65: OUTMODE_FLN,
66: OUTMODE_LST,
67: OUTMODE_ALL,
68: OUTMODE_ONE
69: };
70:
1.19 kristaps 71: enum outt {
1.154 kristaps 72: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 73: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 74: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 75: OUTT_TREE, /* -Ttree */
1.164 schwarze 76: OUTT_MAN, /* -Tman */
1.154 kristaps 77: OUTT_HTML, /* -Thtml */
1.285 schwarze 78: OUTT_MARKDOWN, /* -Tmarkdown */
1.154 kristaps 79: OUTT_LINT, /* -Tlint */
80: OUTT_PS, /* -Tps */
81: OUTT_PDF /* -Tpdf */
1.19 kristaps 82: };
83:
1.335 schwarze 84: struct outstate {
1.336 schwarze 85: struct tag_files *tag_files; /* Tagging state variables. */
1.293 schwarze 86: void *outdata; /* data for output */
1.336 schwarze 87: int use_pager;
1.148 kristaps 88: int wstop; /* stop after a file with a warning */
1.337 schwarze 89: int had_output; /* Some output was generated. */
1.173 schwarze 90: enum outt outtype; /* which output to use */
1.79 kristaps 91: };
1.270 schwarze 92:
93:
94: int mandocdb(int, char *[]);
1.79 kristaps 95:
1.312 schwarze 96: static void check_xr(void);
1.213 schwarze 97: static int fs_lookup(const struct manpaths *,
98: size_t ipath, const char *,
99: const char *, const char *,
100: struct manpage **, size_t *);
1.295 schwarze 101: static int fs_search(const struct mansearch *,
1.340 schwarze 102: const struct manpaths *, const char *,
1.213 schwarze 103: struct manpage **, size_t *);
1.344 schwarze 104: static void glob_esc(char **, const char *, const char *);
1.335 schwarze 105: static void outdata_alloc(struct outstate *, struct manoutput *);
1.334 schwarze 106: static void parse(struct mparse *, int, const char *,
1.335 schwarze 107: struct outstate *, struct manoutput *);
1.329 schwarze 108: static void passthrough(int, int);
1.337 schwarze 109: static void process_onefile(struct mparse *, struct manpage *,
110: int, struct outstate *, struct manconf *);
1.350 schwarze 111: static void run_pager(struct outstate *, char *);
112: static pid_t spawn_pager(struct outstate *, char *);
1.283 schwarze 113: static void usage(enum argmode) __attribute__((__noreturn__));
1.334 schwarze 114: static int woptions(char *, enum mandoc_os *, int *);
1.1 kristaps 115:
1.182 schwarze 116: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 117: static char help_arg[] = "help";
118: static char *help_argv[] = {help_arg, NULL};
1.1 kristaps 119:
1.173 schwarze 120:
1.1 kristaps 121: int
122: main(int argc, char *argv[])
123: {
1.334 schwarze 124: struct manconf conf; /* Manpaths and output options. */
1.335 schwarze 125: struct outstate outst; /* Output state. */
1.334 schwarze 126: struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
127: struct mansearch search; /* Search options. */
1.338 schwarze 128: struct manpage *res; /* Complete list of search results. */
129: struct manpage *resn; /* Search results for one name. */
1.334 schwarze 130: struct mparse *mp; /* Opaque parser object. */
131: const char *conf_file; /* -C: alternate config file. */
132: const char *os_s; /* -I: Operating system for display. */
1.337 schwarze 133: const char *progname, *sec;
1.334 schwarze 134: char *defpaths; /* -M: override manpaths. */
135: char *auxpaths; /* -m: additional manpaths. */
136: char *oarg; /* -O: output option string. */
137: char *tagarg; /* -O tag: default value. */
1.207 schwarze 138: unsigned char *uc;
1.338 schwarze 139: size_t ressz; /* Number of elements in res[]. */
140: size_t resnsz; /* Number of elements in resn[]. */
141: size_t i, ib, ssz;
1.334 schwarze 142: int options; /* Parser options. */
143: int show_usage; /* Invalid argument: give up. */
1.230 schwarze 144: int prio, best_prio;
1.337 schwarze 145: int startdir;
1.180 schwarze 146: int c;
1.334 schwarze 147: enum mandoc_os os_e; /* Check base system conventions. */
148: enum outmode outmode; /* According to command line. */
1.1 kristaps 149:
1.254 schwarze 150: #if HAVE_PROGNAME
151: progname = getprogname();
152: #else
1.219 schwarze 153: if (argc < 1)
1.254 schwarze 154: progname = mandoc_strdup("mandoc");
155: else if ((progname = strrchr(argv[0], '/')) == NULL)
156: progname = argv[0];
1.54 kristaps 157: else
1.254 schwarze 158: ++progname;
159: setprogname(progname);
1.247 schwarze 160: #endif
1.203 schwarze 161:
1.317 schwarze 162: mandoc_msg_setoutfile(stderr);
1.254 schwarze 163: if (strncmp(progname, "mandocdb", 8) == 0 ||
164: strcmp(progname, BINM_MAKEWHATIS) == 0)
1.245 schwarze 165: return mandocdb(argc, argv);
1.179 schwarze 166:
1.255 schwarze 167: #if HAVE_PLEDGE
1.352 ! schwarze 168: if (pledge("stdio rpath wpath cpath tmppath tty proc exec", NULL) == -1) {
1.329 schwarze 169: mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
170: return mandoc_msg_getrc();
171: }
1.269 kristaps 172: #endif
173: #if HAVE_SANDBOX_INIT
174: if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
175: errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
1.255 schwarze 176: #endif
177:
1.180 schwarze 178: /* Search options. */
179:
1.229 schwarze 180: memset(&conf, 0, sizeof(conf));
1.334 schwarze 181: conf_file = NULL;
182: defpaths = auxpaths = NULL;
1.180 schwarze 183:
184: memset(&search, 0, sizeof(struct mansearch));
185: search.outkey = "Nd";
1.282 schwarze 186: oarg = NULL;
1.180 schwarze 187:
1.254 schwarze 188: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 189: search.argmode = ARG_NAME;
1.254 schwarze 190: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 191: search.argmode = ARG_EXPR;
1.254 schwarze 192: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 193: search.argmode = ARG_WORD;
1.254 schwarze 194: else if (strncmp(progname, "help", 4) == 0)
1.202 schwarze 195: search.argmode = ARG_NAME;
1.180 schwarze 196: else
197: search.argmode = ARG_FILE;
198:
1.335 schwarze 199: /* Parser options. */
1.54 kristaps 200:
1.335 schwarze 201: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.334 schwarze 202: os_e = MANDOC_OS_OTHER;
203: os_s = NULL;
1.335 schwarze 204:
205: /* Formatter options. */
206:
207: memset(&outst, 0, sizeof(outst));
1.336 schwarze 208: outst.tag_files = NULL;
1.335 schwarze 209: outst.outtype = OUTT_LOCALE;
1.336 schwarze 210: outst.use_pager = 1;
1.19 kristaps 211:
1.180 schwarze 212: show_usage = 0;
1.181 schwarze 213: outmode = OUTMODE_DEF;
1.183 schwarze 214:
1.289 schwarze 215: while ((c = getopt(argc, argv,
216: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
217: if (c == 'i' && search.argmode == ARG_EXPR) {
218: optind--;
219: break;
220: }
1.1 kristaps 221: switch (c) {
1.181 schwarze 222: case 'a':
223: outmode = OUTMODE_ALL;
224: break;
1.180 schwarze 225: case 'C':
226: conf_file = optarg;
227: break;
1.183 schwarze 228: case 'c':
1.336 schwarze 229: outst.use_pager = 0;
1.183 schwarze 230: break;
1.180 schwarze 231: case 'f':
232: search.argmode = ARG_WORD;
233: break;
1.190 schwarze 234: case 'h':
1.230 schwarze 235: conf.output.synopsisonly = 1;
1.336 schwarze 236: outst.use_pager = 0;
1.190 schwarze 237: outmode = OUTMODE_ALL;
238: break;
1.173 schwarze 239: case 'I':
1.329 schwarze 240: if (strncmp(optarg, "os=", 3) != 0) {
241: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
242: "-I %s", optarg);
243: return mandoc_msg_getrc();
1.166 schwarze 244: }
1.334 schwarze 245: if (os_s != NULL) {
1.329 schwarze 246: mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,
247: "-I %s", optarg);
248: return mandoc_msg_getrc();
1.166 schwarze 249: }
1.334 schwarze 250: os_s = optarg + 3;
1.181 schwarze 251: break;
1.194 schwarze 252: case 'K':
1.329 schwarze 253: options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
254: if (strcmp(optarg, "utf-8") == 0)
255: options |= MPARSE_UTF8;
256: else if (strcmp(optarg, "iso-8859-1") == 0)
257: options |= MPARSE_LATIN1;
258: else if (strcmp(optarg, "us-ascii") != 0) {
259: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
260: "-K %s", optarg);
261: return mandoc_msg_getrc();
262: }
1.194 schwarze 263: break;
1.180 schwarze 264: case 'k':
265: search.argmode = ARG_EXPR;
266: break;
1.188 schwarze 267: case 'l':
268: search.argmode = ARG_FILE;
269: outmode = OUTMODE_ALL;
270: break;
1.180 schwarze 271: case 'M':
272: defpaths = optarg;
273: break;
1.173 schwarze 274: case 'm':
1.180 schwarze 275: auxpaths = optarg;
1.10 kristaps 276: break;
1.173 schwarze 277: case 'O':
1.282 schwarze 278: oarg = optarg;
1.44 kristaps 279: break;
1.180 schwarze 280: case 'S':
281: search.arch = optarg;
282: break;
283: case 's':
284: search.sec = optarg;
285: break;
1.173 schwarze 286: case 'T':
1.329 schwarze 287: if (strcmp(optarg, "ascii") == 0)
1.335 schwarze 288: outst.outtype = OUTT_ASCII;
1.329 schwarze 289: else if (strcmp(optarg, "lint") == 0) {
1.335 schwarze 290: outst.outtype = OUTT_LINT;
1.329 schwarze 291: mandoc_msg_setoutfile(stdout);
292: mandoc_msg_setmin(MANDOCERR_BASE);
293: } else if (strcmp(optarg, "tree") == 0)
1.335 schwarze 294: outst.outtype = OUTT_TREE;
1.329 schwarze 295: else if (strcmp(optarg, "man") == 0)
1.335 schwarze 296: outst.outtype = OUTT_MAN;
1.329 schwarze 297: else if (strcmp(optarg, "html") == 0)
1.335 schwarze 298: outst.outtype = OUTT_HTML;
1.329 schwarze 299: else if (strcmp(optarg, "markdown") == 0)
1.335 schwarze 300: outst.outtype = OUTT_MARKDOWN;
1.329 schwarze 301: else if (strcmp(optarg, "utf8") == 0)
1.335 schwarze 302: outst.outtype = OUTT_UTF8;
1.329 schwarze 303: else if (strcmp(optarg, "locale") == 0)
1.335 schwarze 304: outst.outtype = OUTT_LOCALE;
1.329 schwarze 305: else if (strcmp(optarg, "ps") == 0)
1.335 schwarze 306: outst.outtype = OUTT_PS;
1.329 schwarze 307: else if (strcmp(optarg, "pdf") == 0)
1.335 schwarze 308: outst.outtype = OUTT_PDF;
1.329 schwarze 309: else {
310: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
311: "-T %s", optarg);
312: return mandoc_msg_getrc();
313: }
1.1 kristaps 314: break;
1.173 schwarze 315: case 'W':
1.335 schwarze 316: if (woptions(optarg, &os_e, &outst.wstop) == -1)
1.329 schwarze 317: return mandoc_msg_getrc();
1.1 kristaps 318: break;
1.181 schwarze 319: case 'w':
320: outmode = OUTMODE_FLN;
321: break;
1.1 kristaps 322: default:
1.180 schwarze 323: show_usage = 1;
324: break;
1.1 kristaps 325: }
1.180 schwarze 326: }
327:
328: if (show_usage)
329: usage(search.argmode);
330:
1.185 schwarze 331: /* Postprocess options. */
332:
1.342 schwarze 333: switch (outmode) {
334: case OUTMODE_DEF:
1.181 schwarze 335: switch (search.argmode) {
336: case ARG_FILE:
337: outmode = OUTMODE_ALL;
1.336 schwarze 338: outst.use_pager = 0;
1.181 schwarze 339: break;
340: case ARG_NAME:
341: outmode = OUTMODE_ONE;
342: break;
343: default:
344: outmode = OUTMODE_LST;
345: break;
1.282 schwarze 346: }
1.342 schwarze 347: break;
348: case OUTMODE_FLN:
349: if (search.argmode == ARG_FILE)
350: outmode = OUTMODE_ALL;
351: break;
352: case OUTMODE_ALL:
353: break;
354: case OUTMODE_LST:
355: case OUTMODE_ONE:
356: abort();
1.282 schwarze 357: }
358:
359: if (oarg != NULL) {
360: if (outmode == OUTMODE_LST)
361: search.outkey = oarg;
362: else {
363: while (oarg != NULL) {
364: if (manconf_output(&conf.output,
1.327 schwarze 365: strsep(&oarg, ","), 0) == -1)
1.329 schwarze 366: return mandoc_msg_getrc();
1.282 schwarze 367: }
1.181 schwarze 368: }
369: }
370:
1.335 schwarze 371: if (outst.outtype != OUTT_TREE || conf.output.noval == 0)
1.315 schwarze 372: options |= MPARSE_VALIDATE;
373:
1.246 schwarze 374: if (outmode == OUTMODE_FLN ||
375: outmode == OUTMODE_LST ||
1.352 ! schwarze 376: (conf.output.outfilename == NULL &&
! 377: conf.output.tagfilename == NULL &&
! 378: isatty(STDOUT_FILENO) == 0))
1.336 schwarze 379: outst.use_pager = 0;
1.304 schwarze 380:
1.336 schwarze 381: if (outst.use_pager &&
1.304 schwarze 382: (conf.output.width == 0 || conf.output.indent == 0) &&
1.306 schwarze 383: ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
384: ws.ws_col > 1) {
1.304 schwarze 385: if (conf.output.width == 0 && ws.ws_col < 79)
386: conf.output.width = ws.ws_col - 1;
387: if (conf.output.indent == 0 && ws.ws_col < 66)
388: conf.output.indent = 3;
389: }
1.246 schwarze 390:
1.255 schwarze 391: #if HAVE_PLEDGE
1.352 ! schwarze 392: if (outst.use_pager == 0)
! 393: c = pledge("stdio rpath", NULL);
! 394: else if (conf.output.outfilename != NULL ||
! 395: conf.output.tagfilename != NULL)
! 396: c = pledge("stdio rpath wpath cpath", NULL);
! 397: else
! 398: c = pledge("stdio rpath tmppath tty proc exec", NULL);
! 399: if (c == -1) {
! 400: mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
! 401: return mandoc_msg_getrc();
1.329 schwarze 402: }
1.255 schwarze 403: #endif
404:
1.185 schwarze 405: /* Parse arguments. */
406:
1.219 schwarze 407: if (argc > 0) {
408: argc -= optind;
409: argv += optind;
410: }
1.185 schwarze 411:
1.202 schwarze 412: /*
1.338 schwarze 413: * Quirks for help(1) and man(1),
414: * in particular for a section argument without -s.
1.202 schwarze 415: */
416:
417: if (search.argmode == ARG_NAME) {
1.254 schwarze 418: if (*progname == 'h') {
1.202 schwarze 419: if (argc == 0) {
420: argv = help_argv;
421: argc = 1;
422: }
1.211 schwarze 423: } else if (argc > 1 &&
1.223 kristaps 424: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 425: ((isdigit(uc[0]) && (uc[1] == '\0' ||
1.324 schwarze 426: isalpha(uc[1]))) ||
1.207 schwarze 427: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 428: search.sec = (char *)uc;
1.202 schwarze 429: argv++;
430: argc--;
431: }
1.216 schwarze 432: if (search.arch == NULL)
433: search.arch = getenv("MACHINE");
1.223 kristaps 434: #ifdef MACHINE
1.216 schwarze 435: if (search.arch == NULL)
436: search.arch = MACHINE;
1.223 kristaps 437: #endif
1.338 schwarze 438: if (outmode == OUTMODE_ONE)
439: search.firstmatch = 1;
1.185 schwarze 440: }
1.182 schwarze 441:
1.316 schwarze 442: /*
443: * Use the first argument for -O tag in addition to
444: * using it as a search term for man(1) or apropos(1).
445: */
446:
447: if (conf.output.tag != NULL && *conf.output.tag == '\0') {
448: tagarg = argc > 0 && search.argmode == ARG_EXPR ?
449: strchr(*argv, '=') : NULL;
450: conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
451: }
452:
1.338 schwarze 453: /* Read the configuration file. */
1.180 schwarze 454:
1.338 schwarze 455: if (search.argmode != ARG_FILE)
456: manconf_parse(&conf, conf_file, defpaths, auxpaths);
1.182 schwarze 457:
1.338 schwarze 458: /* man(1): Resolve each name individually. */
1.182 schwarze 459:
1.338 schwarze 460: if (search.argmode == ARG_NAME) {
1.343 schwarze 461: if (argc < 1) {
462: if (outmode != OUTMODE_FLN)
463: usage(ARG_NAME);
464: if (conf.manpath.sz == 0) {
465: warnx("The manpath is empty.");
466: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
467: } else {
468: for (i = 0; i + 1 < conf.manpath.sz; i++)
469: printf("%s:", conf.manpath.paths[i]);
470: printf("%s\n", conf.manpath.paths[i]);
471: }
472: manconf_free(&conf);
473: return (int)mandoc_msg_getrc();
474: }
1.338 schwarze 475: for (res = NULL, ressz = 0; argc > 0; argc--, argv++) {
476: (void)mansearch(&search, &conf.manpath,
477: 1, argv, &resn, &resnsz);
478: if (resnsz == 0)
479: (void)fs_search(&search, &conf.manpath,
1.340 schwarze 480: *argv, &resn, &resnsz);
481: if (resnsz == 0 && strchr(*argv, '/') == NULL) {
482: if (search.arch != NULL &&
483: arch_valid(search.arch, OSENUM) == 0)
484: warnx("Unknown architecture \"%s\".",
485: search.arch);
486: else if (search.sec != NULL)
487: warnx("No entry for %s in "
488: "section %s of the manual.",
489: *argv, search.sec);
490: else
491: warnx("No entry for %s in "
492: "the manual.", *argv);
493: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
494: continue;
495: }
1.338 schwarze 496: if (resnsz == 0) {
497: if (access(*argv, R_OK) == -1) {
498: mandoc_msg_setinfilename(*argv);
1.329 schwarze 499: mandoc_msg(MANDOCERR_BADARG_BAD,
500: 0, 0, "%s", strerror(errno));
501: mandoc_msg_setinfilename(NULL);
1.305 schwarze 502: continue;
503: }
1.338 schwarze 504: resnsz = 1;
505: resn = mandoc_calloc(resnsz, sizeof(*res));
506: resn->file = mandoc_strdup(*argv);
507: resn->ipath = SIZE_MAX;
508: resn->form = FORM_SRC;
509: }
510: if (outmode != OUTMODE_ONE || resnsz == 1) {
1.305 schwarze 511: res = mandoc_reallocarray(res,
1.338 schwarze 512: ressz + resnsz, sizeof(*res));
513: memcpy(res + ressz, resn,
514: sizeof(*resn) * resnsz);
515: ressz += resnsz;
516: continue;
1.305 schwarze 517: }
1.187 schwarze 518:
1.338 schwarze 519: /* Search for the best section. */
1.182 schwarze 520:
1.325 schwarze 521: best_prio = 40;
1.338 schwarze 522: for (ib = i = 0; i < resnsz; i++) {
523: sec = resn[i].file;
1.264 schwarze 524: sec += strcspn(sec, "123456789");
525: if (sec[0] == '\0')
1.325 schwarze 526: continue; /* No section at all. */
1.264 schwarze 527: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 528: if (search.sec != NULL) {
529: ssz = strlen(search.sec);
530: if (strncmp(sec, search.sec, ssz) == 0)
531: sec += ssz;
532: } else
533: sec++; /* Prefer without suffix. */
534: if (*sec != '/')
535: prio += 10; /* Wrong dir name. */
536: if (search.sec != NULL &&
537: (strlen(sec) <= ssz + 3 ||
538: strcmp(sec + strlen(sec) - ssz,
539: search.sec) != 0))
540: prio += 20; /* Wrong file ext. */
1.182 schwarze 541: if (prio >= best_prio)
542: continue;
543: best_prio = prio;
1.338 schwarze 544: ib = i;
1.182 schwarze 545: }
1.338 schwarze 546: res = mandoc_reallocarray(res, ressz + 1,
547: sizeof(*res));
548: memcpy(res + ressz++, resn + ib, sizeof(*resn));
1.181 schwarze 549: }
1.182 schwarze 550:
1.338 schwarze 551: /* apropos(1), whatis(1): Process the full search expression. */
552:
553: } else if (search.argmode != ARG_FILE) {
554: if (mansearch(&search, &conf.manpath,
555: argc, argv, &res, &ressz) == 0)
556: usage(search.argmode);
1.182 schwarze 557:
1.338 schwarze 558: if (ressz == 0) {
559: warnx("nothing appropriate");
560: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.182 schwarze 561: goto out;
1.338 schwarze 562: }
563:
564: /* mandoc(1): Take command line arguments as file names. */
565:
1.337 schwarze 566: } else {
1.338 schwarze 567: ressz = argc > 0 ? argc : 1;
568: res = mandoc_calloc(ressz, sizeof(*res));
569: for (i = 0; i < ressz; i++) {
1.337 schwarze 570: if (argc > 0)
571: res[i].file = mandoc_strdup(argv[i]);
572: res[i].ipath = SIZE_MAX;
573: res[i].form = FORM_SRC;
574: }
1.180 schwarze 575: }
576:
1.338 schwarze 577: switch (outmode) {
578: case OUTMODE_FLN:
579: for (i = 0; i < ressz; i++)
580: puts(res[i].file);
581: goto out;
582: case OUTMODE_LST:
583: for (i = 0; i < ressz; i++)
584: printf("%s - %s\n", res[i].names,
585: res[i].output == NULL ? "" :
586: res[i].output);
587: goto out;
588: default:
589: break;
590: }
1.255 schwarze 591:
1.329 schwarze 592: if (search.argmode == ARG_FILE && auxpaths != NULL) {
593: if (strcmp(auxpaths, "doc") == 0)
594: options |= MPARSE_MDOC;
595: else if (strcmp(auxpaths, "an") == 0)
596: options |= MPARSE_MAN;
597: }
1.241 schwarze 598:
1.249 schwarze 599: mchars_alloc();
1.334 schwarze 600: mp = mparse_alloc(options, os_e, os_s);
1.154 kristaps 601:
1.305 schwarze 602: /*
603: * Remember the original working directory, if possible.
604: * This will be needed if some names on the command line
605: * are page names and some are relative file names.
606: * Do not error out if the current directory is not
607: * readable: Maybe it won't be needed after all.
608: */
609: startdir = open(".", O_RDONLY | O_DIRECTORY);
1.338 schwarze 610: for (i = 0; i < ressz; i++) {
611: process_onefile(mp, res + i, startdir, &outst, &conf);
1.335 schwarze 612: if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 613: break;
1.1 kristaps 614: }
1.305 schwarze 615: if (startdir != -1) {
616: (void)fchdir(startdir);
617: close(startdir);
618: }
1.348 schwarze 619: if (conf.output.tag != NULL && conf.output.tag_found == 0) {
620: mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag);
621: conf.output.tag = NULL;
622: }
1.335 schwarze 623: if (outst.outdata != NULL) {
624: switch (outst.outtype) {
1.252 schwarze 625: case OUTT_HTML:
1.335 schwarze 626: html_free(outst.outdata);
1.252 schwarze 627: break;
628: case OUTT_UTF8:
629: case OUTT_LOCALE:
630: case OUTT_ASCII:
1.335 schwarze 631: ascii_free(outst.outdata);
1.252 schwarze 632: break;
633: case OUTT_PDF:
634: case OUTT_PS:
1.335 schwarze 635: pspdf_free(outst.outdata);
1.252 schwarze 636: break;
637: default:
638: break;
639: }
1.250 schwarze 640: }
1.294 schwarze 641: mandoc_xr_free();
1.334 schwarze 642: mparse_free(mp);
1.249 schwarze 643: mchars_free();
1.182 schwarze 644:
645: out:
1.338 schwarze 646: mansearch_free(res, ressz);
1.337 schwarze 647: if (search.argmode != ARG_FILE)
1.229 schwarze 648: manconf_free(&conf);
1.1 kristaps 649:
1.336 schwarze 650: if (outst.tag_files != NULL) {
1.352 ! schwarze 651: if (term_tag_close() != -1 &&
! 652: conf.output.outfilename == NULL &&
! 653: conf.output.tagfilename == NULL)
1.350 schwarze 654: run_pager(&outst, conf.output.tag);
1.345 schwarze 655: term_tag_unlink();
1.337 schwarze 656: } else if (outst.had_output && outst.outtype != OUTT_LINT)
1.330 schwarze 657: mandoc_msg_summary();
658:
1.312 schwarze 659: return (int)mandoc_msg_getrc();
1.1 kristaps 660: }
661:
1.55 kristaps 662: static void
1.180 schwarze 663: usage(enum argmode argmode)
1.1 kristaps 664: {
1.180 schwarze 665: switch (argmode) {
666: case ARG_FILE:
1.287 schwarze 667: fputs("usage: mandoc [-ac] [-I os=name] "
668: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 669: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 670: break;
671: case ARG_NAME:
1.287 schwarze 672: fputs("usage: man [-acfhklw] [-C file] [-M path] "
673: "[-m path] [-S subsection]\n"
674: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 675: break;
676: case ARG_WORD:
1.287 schwarze 677: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 678: "[-M path] [-m path] [-O outkey] [-S arch]\n"
679: "\t [-s section] name ...\n", stderr);
1.180 schwarze 680: break;
681: case ARG_EXPR:
1.287 schwarze 682: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 683: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 684: "\t [-s section] expression ...\n", stderr);
685: break;
686: }
1.105 kristaps 687: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 688: }
1.213 schwarze 689:
1.344 schwarze 690: static void
691: glob_esc(char **dst, const char *src, const char *suffix)
692: {
693: while (*src != '\0') {
694: if (strchr("*?[", *src) != NULL)
695: *(*dst)++ = '\\';
696: *(*dst)++ = *src++;
697: }
698: while (*suffix != '\0')
699: *(*dst)++ = *suffix++;
700: }
701:
1.213 schwarze 702: static int
703: fs_lookup(const struct manpaths *paths, size_t ipath,
704: const char *sec, const char *arch, const char *name,
705: struct manpage **res, size_t *ressz)
706: {
1.326 schwarze 707: struct stat sb;
1.222 schwarze 708: glob_t globinfo;
1.213 schwarze 709: struct manpage *page;
1.344 schwarze 710: char *file, *cp;
1.274 schwarze 711: int globres;
712: enum form form;
1.213 schwarze 713:
1.344 schwarze 714: const char *const slman = "/man";
715: const char *const slash = "/";
716: const char *const sglob = ".[01-9]*";
717:
1.222 schwarze 718: form = FORM_SRC;
1.213 schwarze 719: mandoc_asprintf(&file, "%s/man%s/%s.%s",
720: paths->paths[ipath], sec, name, sec);
1.326 schwarze 721: if (stat(file, &sb) != -1)
1.213 schwarze 722: goto found;
723: free(file);
724:
725: mandoc_asprintf(&file, "%s/cat%s/%s.0",
726: paths->paths[ipath], sec, name);
1.326 schwarze 727: if (stat(file, &sb) != -1) {
1.213 schwarze 728: form = FORM_CAT;
729: goto found;
730: }
731: free(file);
732:
733: if (arch != NULL) {
734: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
735: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 736: if (stat(file, &sb) != -1)
1.213 schwarze 737: goto found;
738: free(file);
739: }
1.222 schwarze 740:
1.344 schwarze 741: cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
742: strlen(slman) + strlen(sec) * 2 + strlen(slash) +
743: strlen(name) * 2 + strlen(sglob) + 1);
744: glob_esc(&cp, paths->paths[ipath], slman);
745: glob_esc(&cp, sec, slash);
746: glob_esc(&cp, name, sglob);
747: *cp = '\0';
1.222 schwarze 748: globres = glob(file, 0, NULL, &globinfo);
749: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 schwarze 750: mandoc_msg(MANDOCERR_GLOB, 0, 0,
751: "%s: %s", file, strerror(errno));
1.222 schwarze 752: free(file);
753: if (globres == 0)
754: file = mandoc_strdup(*globinfo.gl_pathv);
755: globfree(&globinfo);
1.326 schwarze 756: if (globres == 0) {
757: if (stat(file, &sb) != -1)
758: goto found;
759: free(file);
760: }
1.296 schwarze 761: if (res != NULL || ipath + 1 != paths->sz)
1.329 schwarze 762: return -1;
1.213 schwarze 763:
1.296 schwarze 764: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 765: globres = stat(file, &sb);
1.296 schwarze 766: free(file);
1.329 schwarze 767: return globres;
1.296 schwarze 768:
1.213 schwarze 769: found:
1.266 schwarze 770: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
771: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 772: if (res == NULL) {
773: free(file);
1.329 schwarze 774: return 0;
1.296 schwarze 775: }
1.329 schwarze 776: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 777: page = *res + (*ressz - 1);
778: page->file = file;
779: page->names = NULL;
780: page->output = NULL;
1.323 schwarze 781: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 782: page->ipath = ipath;
783: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
784: page->form = form;
1.329 schwarze 785: return 0;
1.213 schwarze 786: }
787:
1.295 schwarze 788: static int
1.213 schwarze 789: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
1.340 schwarze 790: const char *name, struct manpage **res, size_t *ressz)
1.213 schwarze 791: {
792: const char *const sections[] =
1.264 schwarze 793: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 794: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
795:
1.340 schwarze 796: size_t ipath, isec;
1.213 schwarze 797:
798: assert(cfg->argmode == ARG_NAME);
1.295 schwarze 799: if (res != NULL)
800: *res = NULL;
1.340 schwarze 801: *ressz = 0;
802: for (ipath = 0; ipath < paths->sz; ipath++) {
803: if (cfg->sec != NULL) {
804: if (fs_lookup(paths, ipath, cfg->sec, cfg->arch,
805: name, res, ressz) != -1 && cfg->firstmatch)
806: return 0;
807: } else {
808: for (isec = 0; isec < nsec; isec++)
1.213 schwarze 809: if (fs_lookup(paths, ipath, sections[isec],
1.340 schwarze 810: cfg->arch, name, res, ressz) != -1 &&
1.213 schwarze 811: cfg->firstmatch)
1.329 schwarze 812: return 0;
1.213 schwarze 813: }
814: }
1.329 schwarze 815: return -1;
1.213 schwarze 816: }
1.68 joerg 817:
1.64 kristaps 818: static void
1.337 schwarze 819: process_onefile(struct mparse *mp, struct manpage *resp, int startdir,
820: struct outstate *outst, struct manconf *conf)
821: {
822: int fd;
823:
824: /*
825: * Changing directories is not needed in ARG_FILE mode.
826: * Do it on a best-effort basis. Even in case of
827: * failure, some functionality may still work.
828: */
829: if (resp->ipath != SIZE_MAX)
830: (void)chdir(conf->manpath.paths[resp->ipath]);
831: else if (startdir != -1)
832: (void)fchdir(startdir);
833:
834: mandoc_msg_setinfilename(resp->file);
835: if (resp->file != NULL) {
836: if ((fd = mparse_open(mp, resp->file)) == -1) {
837: mandoc_msg(resp->ipath == SIZE_MAX ?
838: MANDOCERR_BADARG_BAD : MANDOCERR_OPEN,
839: 0, 0, "%s", strerror(errno));
840: mandoc_msg_setinfilename(NULL);
841: return;
842: }
843: } else
844: fd = STDIN_FILENO;
845:
1.347 schwarze 846: if (outst->use_pager) {
847: outst->use_pager = 0;
1.352 ! schwarze 848: outst->tag_files = term_tag_init(conf->output.outfilename,
! 849: conf->output.tagfilename);
! 850: if ((conf->output.outfilename != NULL ||
! 851: conf->output.tagfilename != NULL) &&
! 852: pledge("stdio rpath cpath", NULL) == -1) {
! 853: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
! 854: "%s", strerror(errno));
! 855: exit(mandoc_msg_getrc());
! 856: }
1.347 schwarze 857: }
858: if (outst->had_output && outst->outtype <= OUTT_UTF8) {
859: if (outst->outdata == NULL)
860: outdata_alloc(outst, &conf->output);
861: terminal_sepline(outst->outdata);
1.337 schwarze 862: }
863:
864: if (resp->form == FORM_SRC)
865: parse(mp, fd, resp->file, outst, &conf->output);
866: else {
867: passthrough(fd, conf->output.synopsisonly);
868: outst->had_output = 1;
869: }
870:
871: if (ferror(stdout)) {
872: if (outst->tag_files != NULL) {
873: mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s",
874: outst->tag_files->ofn, strerror(errno));
1.345 schwarze 875: term_tag_unlink();
1.337 schwarze 876: outst->tag_files = NULL;
877: } else
878: mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s",
879: strerror(errno));
880: }
881: mandoc_msg_setinfilename(NULL);
882: }
883:
884: static void
1.335 schwarze 885: parse(struct mparse *mp, int fd, const char *file,
886: struct outstate *outst, struct manoutput *outconf)
1.1 kristaps 887: {
1.337 schwarze 888: static int previous;
889: struct roff_meta *meta;
1.112 kristaps 890:
1.337 schwarze 891: assert(fd >= 0);
892: if (file == NULL)
893: file = "<stdin>";
1.112 kristaps 894:
1.337 schwarze 895: if (previous)
896: mparse_reset(mp);
897: else
898: previous = 1;
1.112 kristaps 899:
1.334 schwarze 900: mparse_readfd(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:
1.335 schwarze 909: if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 910: return;
1.111 kristaps 911:
1.335 schwarze 912: if (outst->outdata == NULL)
913: outdata_alloc(outst, outconf);
914: else if (outst->outtype == OUTT_HTML)
1.349 schwarze 915: html_reset(outst->outdata);
1.111 kristaps 916:
1.315 schwarze 917: mandoc_xr_reset();
1.334 schwarze 918: meta = mparse_result(mp);
1.250 schwarze 919:
920: /* Execute the out device, if it exists. */
921:
1.337 schwarze 922: outst->had_output = 1;
1.315 schwarze 923: if (meta->macroset == MACROSET_MDOC) {
1.335 schwarze 924: switch (outst->outtype) {
1.173 schwarze 925: case OUTT_HTML:
1.335 schwarze 926: html_mdoc(outst->outdata, meta);
1.111 kristaps 927: break;
1.173 schwarze 928: case OUTT_TREE:
1.335 schwarze 929: tree_mdoc(outst->outdata, meta);
1.111 kristaps 930: break;
1.173 schwarze 931: case OUTT_MAN:
1.335 schwarze 932: man_mdoc(outst->outdata, meta);
1.164 schwarze 933: break;
1.173 schwarze 934: case OUTT_PDF:
935: case OUTT_ASCII:
936: case OUTT_UTF8:
937: case OUTT_LOCALE:
938: case OUTT_PS:
1.335 schwarze 939: terminal_mdoc(outst->outdata, meta);
1.250 schwarze 940: break;
1.285 schwarze 941: case OUTT_MARKDOWN:
1.335 schwarze 942: markdown_mdoc(outst->outdata, meta);
1.285 schwarze 943: break;
1.250 schwarze 944: default:
945: break;
946: }
947: }
1.315 schwarze 948: if (meta->macroset == MACROSET_MAN) {
1.335 schwarze 949: switch (outst->outtype) {
1.250 schwarze 950: case OUTT_HTML:
1.335 schwarze 951: html_man(outst->outdata, meta);
1.250 schwarze 952: break;
953: case OUTT_TREE:
1.335 schwarze 954: tree_man(outst->outdata, meta);
1.250 schwarze 955: break;
956: case OUTT_MAN:
1.334 schwarze 957: mparse_copy(mp);
1.250 schwarze 958: break;
959: case OUTT_PDF:
960: case OUTT_ASCII:
961: case OUTT_UTF8:
962: case OUTT_LOCALE:
963: case OUTT_PS:
1.335 schwarze 964: terminal_man(outst->outdata, meta);
1.111 kristaps 965: break;
966: default:
967: break;
968: }
1.276 schwarze 969: }
1.348 schwarze 970: if (outconf->tag != NULL && outconf->tag_found == 0 &&
971: tag_exists(outconf->tag))
972: outconf->tag_found = 1;
1.312 schwarze 973: if (mandoc_msg_getmin() < MANDOCERR_STYLE)
974: check_xr();
1.294 schwarze 975: }
976:
977: static void
1.312 schwarze 978: check_xr(void)
1.294 schwarze 979: {
980: static struct manpaths paths;
981: struct mansearch search;
982: struct mandoc_xr *xr;
983: size_t sz;
984:
985: if (paths.sz == 0)
986: manpath_base(&paths);
987:
988: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 989: if (xr->line == -1)
990: continue;
1.294 schwarze 991: search.arch = NULL;
992: search.sec = xr->sec;
993: search.outkey = NULL;
994: search.argmode = ARG_NAME;
995: search.firstmatch = 1;
996: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 997: continue;
1.340 schwarze 998: if (fs_search(&search, &paths, xr->name, NULL, &sz) != -1)
1.294 schwarze 999: continue;
1.298 schwarze 1000: if (xr->count == 1)
1.313 schwarze 1001: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1002: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 1003: else
1.313 schwarze 1004: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1005: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 1006: xr->name, xr->sec, xr->count);
1.294 schwarze 1007: }
1.276 schwarze 1008: }
1009:
1010: static void
1.335 schwarze 1011: outdata_alloc(struct outstate *outst, struct manoutput *outconf)
1.276 schwarze 1012: {
1.335 schwarze 1013: switch (outst->outtype) {
1.276 schwarze 1014: case OUTT_HTML:
1.335 schwarze 1015: outst->outdata = html_alloc(outconf);
1.276 schwarze 1016: break;
1017: case OUTT_UTF8:
1.335 schwarze 1018: outst->outdata = utf8_alloc(outconf);
1.276 schwarze 1019: break;
1020: case OUTT_LOCALE:
1.335 schwarze 1021: outst->outdata = locale_alloc(outconf);
1.276 schwarze 1022: break;
1023: case OUTT_ASCII:
1.335 schwarze 1024: outst->outdata = ascii_alloc(outconf);
1.276 schwarze 1025: break;
1026: case OUTT_PDF:
1.335 schwarze 1027: outst->outdata = pdf_alloc(outconf);
1.276 schwarze 1028: break;
1029: case OUTT_PS:
1.335 schwarze 1030: outst->outdata = ps_alloc(outconf);
1.276 schwarze 1031: break;
1032: default:
1033: break;
1.111 kristaps 1034: }
1.186 schwarze 1035: }
1036:
1.227 schwarze 1037: static void
1.329 schwarze 1038: passthrough(int fd, int synopsis_only)
1.186 schwarze 1039: {
1.197 schwarze 1040: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
1041: const char synr[] = "SYNOPSIS";
1042:
1043: FILE *stream;
1.257 schwarze 1044: char *line, *cp;
1045: size_t linesz;
1.277 schwarze 1046: ssize_t len, written;
1.329 schwarze 1047: int lno, print;
1.210 schwarze 1048:
1.329 schwarze 1049: stream = NULL;
1.257 schwarze 1050: line = NULL;
1051: linesz = 0;
1.197 schwarze 1052:
1.277 schwarze 1053: if (fflush(stdout) == EOF) {
1.329 schwarze 1054: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1055: goto done;
1.277 schwarze 1056: }
1.197 schwarze 1057: if ((stream = fdopen(fd, "r")) == NULL) {
1058: close(fd);
1.329 schwarze 1059: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1060: goto done;
1.197 schwarze 1061: }
1.186 schwarze 1062:
1.329 schwarze 1063: lno = print = 0;
1.277 schwarze 1064: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 schwarze 1065: lno++;
1.257 schwarze 1066: cp = line;
1.197 schwarze 1067: if (synopsis_only) {
1068: if (print) {
1.257 schwarze 1069: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1070: goto done;
1.277 schwarze 1071: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1072: cp++;
1.277 schwarze 1073: len--;
1074: }
1.197 schwarze 1075: } else {
1.257 schwarze 1076: if (strcmp(cp, synb) == 0 ||
1077: strcmp(cp, synr) == 0)
1.197 schwarze 1078: print = 1;
1079: continue;
1080: }
1081: }
1.277 schwarze 1082: for (; len > 0; len -= written) {
1.329 schwarze 1083: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1084: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1085: "%s", strerror(errno));
1086: goto done;
1087: }
1.257 schwarze 1088: }
1.197 schwarze 1089: }
1.329 schwarze 1090: if (ferror(stream))
1091: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1092:
1.197 schwarze 1093: done:
1.257 schwarze 1094: free(line);
1.329 schwarze 1095: if (stream != NULL)
1096: fclose(stream);
1.1 kristaps 1097: }
1098:
1099: static int
1.334 schwarze 1100: woptions(char *arg, enum mandoc_os *os_e, int *wstop)
1.1 kristaps 1101: {
1.34 kristaps 1102: char *v, *o;
1.293 schwarze 1103: const char *toks[11];
1.1 kristaps 1104:
1.103 schwarze 1105: toks[0] = "stop";
1106: toks[1] = "all";
1.293 schwarze 1107: toks[2] = "base";
1108: toks[3] = "style";
1109: toks[4] = "warning";
1110: toks[5] = "error";
1111: toks[6] = "unsupp";
1112: toks[7] = "fatal";
1113: toks[8] = "openbsd";
1114: toks[9] = "netbsd";
1115: toks[10] = NULL;
1.1 kristaps 1116:
1.34 kristaps 1117: while (*arg) {
1118: o = arg;
1.272 schwarze 1119: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1120: case 0:
1.334 schwarze 1121: *wstop = 1;
1.1 kristaps 1122: break;
1.173 schwarze 1123: case 1:
1124: case 2:
1.312 schwarze 1125: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1126: break;
1127: case 3:
1.312 schwarze 1128: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1129: break;
1.290 schwarze 1130: case 4:
1.312 schwarze 1131: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1132: break;
1.290 schwarze 1133: case 5:
1.312 schwarze 1134: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1135: break;
1.290 schwarze 1136: case 6:
1.312 schwarze 1137: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1138: break;
1139: case 7:
1.329 schwarze 1140: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1141: break;
1142: case 8:
1.312 schwarze 1143: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1144: *os_e = MANDOC_OS_OPENBSD;
1.293 schwarze 1145: break;
1146: case 9:
1.312 schwarze 1147: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1148: *os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1149: break;
1.1 kristaps 1150: default:
1.329 schwarze 1151: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1152: return -1;
1.1 kristaps 1153: }
1.34 kristaps 1154: }
1.329 schwarze 1155: return 0;
1.333 schwarze 1156: }
1157:
1158: /*
1159: * Wait until moved to the foreground,
1160: * then fork the pager and wait for the user to close it.
1161: */
1162: static void
1.350 schwarze 1163: run_pager(struct outstate *outst, char *tag_target)
1.333 schwarze 1164: {
1165: int signum, status;
1166: pid_t man_pgid, tc_pgid;
1167: pid_t pager_pid, wait_pid;
1168:
1169: man_pgid = getpgid(0);
1.350 schwarze 1170: outst->tag_files->tcpgid =
1171: man_pgid == getpid() ? getpgid(getppid()) : man_pgid;
1.333 schwarze 1172: pager_pid = 0;
1173: signum = SIGSTOP;
1174:
1175: for (;;) {
1176: /* Stop here until moved to the foreground. */
1177:
1.348 schwarze 1178: tc_pgid = tcgetpgrp(STDOUT_FILENO);
1.333 schwarze 1179: if (tc_pgid != man_pgid) {
1180: if (tc_pgid == pager_pid) {
1.348 schwarze 1181: (void)tcsetpgrp(STDOUT_FILENO, man_pgid);
1.333 schwarze 1182: if (signum == SIGTTIN)
1183: continue;
1184: } else
1.350 schwarze 1185: outst->tag_files->tcpgid = tc_pgid;
1.333 schwarze 1186: kill(0, signum);
1187: continue;
1188: }
1189:
1190: /* Once in the foreground, activate the pager. */
1191:
1192: if (pager_pid) {
1.348 schwarze 1193: (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1.333 schwarze 1194: kill(pager_pid, SIGCONT);
1195: } else
1.350 schwarze 1196: pager_pid = spawn_pager(outst, tag_target);
1.333 schwarze 1197:
1198: /* Wait for the pager to stop or exit. */
1199:
1200: while ((wait_pid = waitpid(pager_pid, &status,
1201: WUNTRACED)) == -1 && errno == EINTR)
1202: continue;
1203:
1204: if (wait_pid == -1) {
1205: mandoc_msg(MANDOCERR_WAIT, 0, 0,
1206: "%s", strerror(errno));
1207: break;
1208: }
1209: if (!WIFSTOPPED(status))
1210: break;
1211:
1212: signum = WSTOPSIG(status);
1213: }
1.183 schwarze 1214: }
1215:
1.225 schwarze 1216: static pid_t
1.350 schwarze 1217: spawn_pager(struct outstate *outst, char *tag_target)
1.183 schwarze 1218: {
1.265 schwarze 1219: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1220: #define MAX_PAGER_ARGS 16
1221: char *argv[MAX_PAGER_ARGS];
1222: const char *pager;
1223: char *cp;
1.322 schwarze 1224: #if HAVE_LESS_T
1.239 schwarze 1225: size_t cmdlen;
1.322 schwarze 1226: #endif
1.309 schwarze 1227: int argc, use_ofn;
1.225 schwarze 1228: pid_t pager_pid;
1.183 schwarze 1229:
1.350 schwarze 1230: assert(outst->tag_files->ofd == -1);
1231: assert(outst->tag_files->tfs == NULL);
1.348 schwarze 1232:
1.239 schwarze 1233: pager = getenv("MANPAGER");
1234: if (pager == NULL || *pager == '\0')
1235: pager = getenv("PAGER");
1236: if (pager == NULL || *pager == '\0')
1.351 schwarze 1237: pager = BINM_PAGER;
1.239 schwarze 1238: cp = mandoc_strdup(pager);
1239:
1240: /*
1241: * Parse the pager command into words.
1242: * Intentionally do not do anything fancy here.
1243: */
1244:
1245: argc = 0;
1.309 schwarze 1246: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1247: argv[argc++] = cp;
1248: cp = strchr(cp, ' ');
1249: if (cp == NULL)
1250: break;
1251: *cp++ = '\0';
1252: while (*cp == ' ')
1253: cp++;
1254: if (*cp == '\0')
1255: break;
1256: }
1257:
1.268 schwarze 1258: /* For less(1), use the tag file. */
1.239 schwarze 1259:
1.309 schwarze 1260: use_ofn = 1;
1.322 schwarze 1261: #if HAVE_LESS_T
1.350 schwarze 1262: if (*outst->tag_files->tfn != '\0' &&
1263: (cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1264: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1265: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1266: argv[argc++] = mandoc_strdup("-T");
1.350 schwarze 1267: argv[argc++] = outst->tag_files->tfn;
1.348 schwarze 1268: if (tag_target != NULL) {
1.309 schwarze 1269: argv[argc++] = mandoc_strdup("-t");
1.348 schwarze 1270: argv[argc++] = tag_target;
1.309 schwarze 1271: use_ofn = 0;
1272: }
1.244 schwarze 1273: }
1.239 schwarze 1274: }
1.322 schwarze 1275: #endif
1.350 schwarze 1276: if (use_ofn) {
1277: if (outst->outtype == OUTT_HTML && tag_target != NULL)
1278: mandoc_asprintf(&argv[argc], "file://%s#%s",
1279: outst->tag_files->ofn, tag_target);
1280: else
1281: argv[argc] = outst->tag_files->ofn;
1282: argc++;
1283: }
1.239 schwarze 1284: argv[argc] = NULL;
1285:
1.225 schwarze 1286: switch (pager_pid = fork()) {
1.183 schwarze 1287: case -1:
1.329 schwarze 1288: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1289: exit(mandoc_msg_getrc());
1.183 schwarze 1290: case 0:
1.224 schwarze 1291: break;
1292: default:
1.258 schwarze 1293: (void)setpgid(pager_pid, 0);
1.348 schwarze 1294: (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1.255 schwarze 1295: #if HAVE_PLEDGE
1.329 schwarze 1296: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1297: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1298: "%s", strerror(errno));
1299: exit(mandoc_msg_getrc());
1300: }
1.255 schwarze 1301: #endif
1.350 schwarze 1302: outst->tag_files->pager_pid = pager_pid;
1.245 schwarze 1303: return pager_pid;
1.184 schwarze 1304: }
1305:
1.348 schwarze 1306: /*
1307: * The child process becomes the pager.
1308: * Do not start it before controlling the terminal.
1309: */
1.265 schwarze 1310:
1.279 schwarze 1311: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1312: nanosleep(&timeout, NULL);
1313:
1.184 schwarze 1314: execvp(argv[0], argv);
1.329 schwarze 1315: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1316: _exit(mandoc_msg_getrc());
1.71 kristaps 1317: }
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