Annotation of mandoc/main.c, Revision 1.356
1.356 ! schwarze 1: /* $Id: main.c,v 1.355 2021/06/02 18:28:19 schwarze Exp $ */
1.1 kristaps 2: /*
1.355 schwarze 3: * Copyright (c) 2010-2012, 2014-2021 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:
1.355 schwarze 96: static void check_xr(struct manpaths *);
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 *,
1.355 schwarze 107: struct outstate *, struct manconf *);
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:
1.355 schwarze 455: if (search.argmode != ARG_FILE ||
456: mandoc_msg_getmin() == MANDOCERR_STYLE)
1.338 schwarze 457: manconf_parse(&conf, conf_file, defpaths, auxpaths);
1.182 schwarze 458:
1.338 schwarze 459: /* man(1): Resolve each name individually. */
1.182 schwarze 460:
1.338 schwarze 461: if (search.argmode == ARG_NAME) {
1.343 schwarze 462: if (argc < 1) {
463: if (outmode != OUTMODE_FLN)
464: usage(ARG_NAME);
465: if (conf.manpath.sz == 0) {
466: warnx("The manpath is empty.");
467: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
468: } else {
469: for (i = 0; i + 1 < conf.manpath.sz; i++)
470: printf("%s:", conf.manpath.paths[i]);
471: printf("%s\n", conf.manpath.paths[i]);
472: }
473: manconf_free(&conf);
474: return (int)mandoc_msg_getrc();
475: }
1.338 schwarze 476: for (res = NULL, ressz = 0; argc > 0; argc--, argv++) {
477: (void)mansearch(&search, &conf.manpath,
478: 1, argv, &resn, &resnsz);
479: if (resnsz == 0)
480: (void)fs_search(&search, &conf.manpath,
1.340 schwarze 481: *argv, &resn, &resnsz);
482: if (resnsz == 0 && strchr(*argv, '/') == NULL) {
483: if (search.arch != NULL &&
484: arch_valid(search.arch, OSENUM) == 0)
485: warnx("Unknown architecture \"%s\".",
486: search.arch);
487: else if (search.sec != NULL)
488: warnx("No entry for %s in "
489: "section %s of the manual.",
490: *argv, search.sec);
491: else
492: warnx("No entry for %s in "
493: "the manual.", *argv);
494: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
495: continue;
496: }
1.338 schwarze 497: if (resnsz == 0) {
498: if (access(*argv, R_OK) == -1) {
499: mandoc_msg_setinfilename(*argv);
1.329 schwarze 500: mandoc_msg(MANDOCERR_BADARG_BAD,
501: 0, 0, "%s", strerror(errno));
502: mandoc_msg_setinfilename(NULL);
1.305 schwarze 503: continue;
504: }
1.338 schwarze 505: resnsz = 1;
506: resn = mandoc_calloc(resnsz, sizeof(*res));
507: resn->file = mandoc_strdup(*argv);
508: resn->ipath = SIZE_MAX;
509: resn->form = FORM_SRC;
510: }
511: if (outmode != OUTMODE_ONE || resnsz == 1) {
1.305 schwarze 512: res = mandoc_reallocarray(res,
1.338 schwarze 513: ressz + resnsz, sizeof(*res));
514: memcpy(res + ressz, resn,
515: sizeof(*resn) * resnsz);
516: ressz += resnsz;
517: continue;
1.305 schwarze 518: }
1.187 schwarze 519:
1.338 schwarze 520: /* Search for the best section. */
1.182 schwarze 521:
1.325 schwarze 522: best_prio = 40;
1.338 schwarze 523: for (ib = i = 0; i < resnsz; i++) {
524: sec = resn[i].file;
1.264 schwarze 525: sec += strcspn(sec, "123456789");
526: if (sec[0] == '\0')
1.325 schwarze 527: continue; /* No section at all. */
1.264 schwarze 528: prio = sec_prios[sec[0] - '1'];
1.325 schwarze 529: if (search.sec != NULL) {
530: ssz = strlen(search.sec);
531: if (strncmp(sec, search.sec, ssz) == 0)
532: sec += ssz;
533: } else
534: sec++; /* Prefer without suffix. */
535: if (*sec != '/')
536: prio += 10; /* Wrong dir name. */
537: if (search.sec != NULL &&
538: (strlen(sec) <= ssz + 3 ||
539: strcmp(sec + strlen(sec) - ssz,
540: search.sec) != 0))
541: prio += 20; /* Wrong file ext. */
1.182 schwarze 542: if (prio >= best_prio)
543: continue;
544: best_prio = prio;
1.338 schwarze 545: ib = i;
1.182 schwarze 546: }
1.338 schwarze 547: res = mandoc_reallocarray(res, ressz + 1,
548: sizeof(*res));
549: memcpy(res + ressz++, resn + ib, sizeof(*resn));
1.181 schwarze 550: }
1.182 schwarze 551:
1.338 schwarze 552: /* apropos(1), whatis(1): Process the full search expression. */
553:
554: } else if (search.argmode != ARG_FILE) {
555: if (mansearch(&search, &conf.manpath,
556: argc, argv, &res, &ressz) == 0)
557: usage(search.argmode);
1.182 schwarze 558:
1.338 schwarze 559: if (ressz == 0) {
560: warnx("nothing appropriate");
561: mandoc_msg_setrc(MANDOCLEVEL_BADARG);
1.182 schwarze 562: goto out;
1.338 schwarze 563: }
564:
565: /* mandoc(1): Take command line arguments as file names. */
566:
1.337 schwarze 567: } else {
1.338 schwarze 568: ressz = argc > 0 ? argc : 1;
569: res = mandoc_calloc(ressz, sizeof(*res));
570: for (i = 0; i < ressz; i++) {
1.337 schwarze 571: if (argc > 0)
572: res[i].file = mandoc_strdup(argv[i]);
573: res[i].ipath = SIZE_MAX;
574: res[i].form = FORM_SRC;
575: }
1.180 schwarze 576: }
577:
1.338 schwarze 578: switch (outmode) {
579: case OUTMODE_FLN:
580: for (i = 0; i < ressz; i++)
581: puts(res[i].file);
582: goto out;
583: case OUTMODE_LST:
584: for (i = 0; i < ressz; i++)
585: printf("%s - %s\n", res[i].names,
586: res[i].output == NULL ? "" :
587: res[i].output);
588: goto out;
589: default:
590: break;
591: }
1.255 schwarze 592:
1.329 schwarze 593: if (search.argmode == ARG_FILE && auxpaths != NULL) {
594: if (strcmp(auxpaths, "doc") == 0)
595: options |= MPARSE_MDOC;
596: else if (strcmp(auxpaths, "an") == 0)
597: options |= MPARSE_MAN;
598: }
1.241 schwarze 599:
1.249 schwarze 600: mchars_alloc();
1.334 schwarze 601: mp = mparse_alloc(options, os_e, os_s);
1.154 kristaps 602:
1.305 schwarze 603: /*
604: * Remember the original working directory, if possible.
605: * This will be needed if some names on the command line
606: * are page names and some are relative file names.
607: * Do not error out if the current directory is not
608: * readable: Maybe it won't be needed after all.
609: */
610: startdir = open(".", O_RDONLY | O_DIRECTORY);
1.338 schwarze 611: for (i = 0; i < ressz; i++) {
612: process_onefile(mp, res + i, startdir, &outst, &conf);
1.335 schwarze 613: if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.64 kristaps 614: break;
1.1 kristaps 615: }
1.305 schwarze 616: if (startdir != -1) {
617: (void)fchdir(startdir);
618: close(startdir);
619: }
1.348 schwarze 620: if (conf.output.tag != NULL && conf.output.tag_found == 0) {
621: mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag);
622: conf.output.tag = NULL;
623: }
1.335 schwarze 624: if (outst.outdata != NULL) {
625: switch (outst.outtype) {
1.252 schwarze 626: case OUTT_HTML:
1.335 schwarze 627: html_free(outst.outdata);
1.252 schwarze 628: break;
629: case OUTT_UTF8:
630: case OUTT_LOCALE:
631: case OUTT_ASCII:
1.335 schwarze 632: ascii_free(outst.outdata);
1.252 schwarze 633: break;
634: case OUTT_PDF:
635: case OUTT_PS:
1.335 schwarze 636: pspdf_free(outst.outdata);
1.252 schwarze 637: break;
638: default:
639: break;
640: }
1.250 schwarze 641: }
1.294 schwarze 642: mandoc_xr_free();
1.334 schwarze 643: mparse_free(mp);
1.249 schwarze 644: mchars_free();
1.182 schwarze 645:
646: out:
1.338 schwarze 647: mansearch_free(res, ressz);
1.337 schwarze 648: if (search.argmode != ARG_FILE)
1.229 schwarze 649: manconf_free(&conf);
1.1 kristaps 650:
1.336 schwarze 651: if (outst.tag_files != NULL) {
1.352 schwarze 652: if (term_tag_close() != -1 &&
653: conf.output.outfilename == NULL &&
654: conf.output.tagfilename == NULL)
1.350 schwarze 655: run_pager(&outst, conf.output.tag);
1.345 schwarze 656: term_tag_unlink();
1.337 schwarze 657: } else if (outst.had_output && outst.outtype != OUTT_LINT)
1.330 schwarze 658: mandoc_msg_summary();
659:
1.312 schwarze 660: return (int)mandoc_msg_getrc();
1.1 kristaps 661: }
662:
1.55 kristaps 663: static void
1.180 schwarze 664: usage(enum argmode argmode)
1.1 kristaps 665: {
1.180 schwarze 666: switch (argmode) {
667: case ARG_FILE:
1.287 schwarze 668: fputs("usage: mandoc [-ac] [-I os=name] "
669: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.228 schwarze 670: "\t [-T output] [-W level] [file ...]\n", stderr);
1.180 schwarze 671: break;
672: case ARG_NAME:
1.287 schwarze 673: fputs("usage: man [-acfhklw] [-C file] [-M path] "
674: "[-m path] [-S subsection]\n"
675: "\t [[-s] section] name ...\n", stderr);
1.180 schwarze 676: break;
677: case ARG_WORD:
1.287 schwarze 678: fputs("usage: whatis [-afk] [-C file] "
1.188 schwarze 679: "[-M path] [-m path] [-O outkey] [-S arch]\n"
680: "\t [-s section] name ...\n", stderr);
1.180 schwarze 681: break;
682: case ARG_EXPR:
1.287 schwarze 683: fputs("usage: apropos [-afk] [-C file] "
1.188 schwarze 684: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 685: "\t [-s section] expression ...\n", stderr);
686: break;
687: }
1.105 kristaps 688: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 689: }
1.213 schwarze 690:
1.344 schwarze 691: static void
692: glob_esc(char **dst, const char *src, const char *suffix)
693: {
694: while (*src != '\0') {
695: if (strchr("*?[", *src) != NULL)
696: *(*dst)++ = '\\';
697: *(*dst)++ = *src++;
698: }
699: while (*suffix != '\0')
700: *(*dst)++ = *suffix++;
701: }
702:
1.213 schwarze 703: static int
704: fs_lookup(const struct manpaths *paths, size_t ipath,
705: const char *sec, const char *arch, const char *name,
706: struct manpage **res, size_t *ressz)
707: {
1.326 schwarze 708: struct stat sb;
1.222 schwarze 709: glob_t globinfo;
1.213 schwarze 710: struct manpage *page;
1.344 schwarze 711: char *file, *cp;
1.274 schwarze 712: int globres;
713: enum form form;
1.213 schwarze 714:
1.344 schwarze 715: const char *const slman = "/man";
716: const char *const slash = "/";
717: const char *const sglob = ".[01-9]*";
718:
1.222 schwarze 719: form = FORM_SRC;
1.213 schwarze 720: mandoc_asprintf(&file, "%s/man%s/%s.%s",
721: paths->paths[ipath], sec, name, sec);
1.326 schwarze 722: if (stat(file, &sb) != -1)
1.213 schwarze 723: goto found;
724: free(file);
725:
726: mandoc_asprintf(&file, "%s/cat%s/%s.0",
727: paths->paths[ipath], sec, name);
1.326 schwarze 728: if (stat(file, &sb) != -1) {
1.213 schwarze 729: form = FORM_CAT;
730: goto found;
731: }
732: free(file);
733:
734: if (arch != NULL) {
735: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
736: paths->paths[ipath], sec, arch, name, sec);
1.326 schwarze 737: if (stat(file, &sb) != -1)
1.213 schwarze 738: goto found;
739: free(file);
740: }
1.222 schwarze 741:
1.344 schwarze 742: cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
743: strlen(slman) + strlen(sec) * 2 + strlen(slash) +
744: strlen(name) * 2 + strlen(sglob) + 1);
745: glob_esc(&cp, paths->paths[ipath], slman);
746: glob_esc(&cp, sec, slash);
747: glob_esc(&cp, name, sglob);
748: *cp = '\0';
1.222 schwarze 749: globres = glob(file, 0, NULL, &globinfo);
750: if (globres != 0 && globres != GLOB_NOMATCH)
1.329 schwarze 751: mandoc_msg(MANDOCERR_GLOB, 0, 0,
752: "%s: %s", file, strerror(errno));
1.222 schwarze 753: free(file);
754: if (globres == 0)
755: file = mandoc_strdup(*globinfo.gl_pathv);
756: globfree(&globinfo);
1.326 schwarze 757: if (globres == 0) {
758: if (stat(file, &sb) != -1)
759: goto found;
760: free(file);
761: }
1.296 schwarze 762: if (res != NULL || ipath + 1 != paths->sz)
1.329 schwarze 763: return -1;
1.213 schwarze 764:
1.296 schwarze 765: mandoc_asprintf(&file, "%s.%s", name, sec);
1.326 schwarze 766: globres = stat(file, &sb);
1.296 schwarze 767: free(file);
1.329 schwarze 768: return globres;
1.296 schwarze 769:
1.213 schwarze 770: found:
1.266 schwarze 771: warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
772: name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
1.296 schwarze 773: if (res == NULL) {
774: free(file);
1.329 schwarze 775: return 0;
1.296 schwarze 776: }
1.329 schwarze 777: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(**res));
1.213 schwarze 778: page = *res + (*ressz - 1);
779: page->file = file;
780: page->names = NULL;
781: page->output = NULL;
1.323 schwarze 782: page->bits = NAME_FILE & NAME_MASK;
1.213 schwarze 783: page->ipath = ipath;
784: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
785: page->form = form;
1.329 schwarze 786: return 0;
1.213 schwarze 787: }
788:
1.295 schwarze 789: static int
1.213 schwarze 790: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
1.340 schwarze 791: const char *name, struct manpage **res, size_t *ressz)
1.213 schwarze 792: {
793: const char *const sections[] =
1.264 schwarze 794: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.213 schwarze 795: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
796:
1.340 schwarze 797: size_t ipath, isec;
1.213 schwarze 798:
799: assert(cfg->argmode == ARG_NAME);
1.295 schwarze 800: if (res != NULL)
801: *res = NULL;
1.340 schwarze 802: *ressz = 0;
803: for (ipath = 0; ipath < paths->sz; ipath++) {
804: if (cfg->sec != NULL) {
805: if (fs_lookup(paths, ipath, cfg->sec, cfg->arch,
806: name, res, ressz) != -1 && cfg->firstmatch)
807: return 0;
808: } else {
809: for (isec = 0; isec < nsec; isec++)
1.213 schwarze 810: if (fs_lookup(paths, ipath, sections[isec],
1.340 schwarze 811: cfg->arch, name, res, ressz) != -1 &&
1.213 schwarze 812: cfg->firstmatch)
1.329 schwarze 813: return 0;
1.213 schwarze 814: }
815: }
1.329 schwarze 816: return -1;
1.213 schwarze 817: }
1.68 joerg 818:
1.64 kristaps 819: static void
1.337 schwarze 820: process_onefile(struct mparse *mp, struct manpage *resp, int startdir,
821: struct outstate *outst, struct manconf *conf)
822: {
823: int fd;
824:
825: /*
826: * Changing directories is not needed in ARG_FILE mode.
827: * Do it on a best-effort basis. Even in case of
828: * failure, some functionality may still work.
829: */
830: if (resp->ipath != SIZE_MAX)
831: (void)chdir(conf->manpath.paths[resp->ipath]);
832: else if (startdir != -1)
833: (void)fchdir(startdir);
834:
835: mandoc_msg_setinfilename(resp->file);
836: if (resp->file != NULL) {
837: if ((fd = mparse_open(mp, resp->file)) == -1) {
838: mandoc_msg(resp->ipath == SIZE_MAX ?
839: MANDOCERR_BADARG_BAD : MANDOCERR_OPEN,
840: 0, 0, "%s", strerror(errno));
841: mandoc_msg_setinfilename(NULL);
842: return;
843: }
844: } else
845: fd = STDIN_FILENO;
846:
1.347 schwarze 847: if (outst->use_pager) {
848: outst->use_pager = 0;
1.352 schwarze 849: outst->tag_files = term_tag_init(conf->output.outfilename,
1.354 schwarze 850: outst->outtype == OUTT_HTML ? ".html" : "",
1.352 schwarze 851: conf->output.tagfilename);
1.353 schwarze 852: #if HAVE_PLEDGE
1.352 schwarze 853: if ((conf->output.outfilename != NULL ||
854: conf->output.tagfilename != NULL) &&
855: pledge("stdio rpath cpath", NULL) == -1) {
856: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
857: "%s", strerror(errno));
858: exit(mandoc_msg_getrc());
859: }
1.353 schwarze 860: #endif
1.347 schwarze 861: }
862: if (outst->had_output && outst->outtype <= OUTT_UTF8) {
863: if (outst->outdata == NULL)
864: outdata_alloc(outst, &conf->output);
865: terminal_sepline(outst->outdata);
1.337 schwarze 866: }
867:
868: if (resp->form == FORM_SRC)
1.355 schwarze 869: parse(mp, fd, resp->file, outst, conf);
1.337 schwarze 870: else {
871: passthrough(fd, conf->output.synopsisonly);
872: outst->had_output = 1;
873: }
874:
875: if (ferror(stdout)) {
876: if (outst->tag_files != NULL) {
877: mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s",
878: outst->tag_files->ofn, strerror(errno));
1.345 schwarze 879: term_tag_unlink();
1.337 schwarze 880: outst->tag_files = NULL;
881: } else
882: mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s",
883: strerror(errno));
884: }
885: mandoc_msg_setinfilename(NULL);
886: }
887:
888: static void
1.335 schwarze 889: parse(struct mparse *mp, int fd, const char *file,
1.355 schwarze 890: struct outstate *outst, struct manconf *conf)
1.1 kristaps 891: {
1.355 schwarze 892: static struct manpaths basepaths;
1.337 schwarze 893: static int previous;
894: struct roff_meta *meta;
1.112 kristaps 895:
1.337 schwarze 896: assert(fd >= 0);
897: if (file == NULL)
898: file = "<stdin>";
1.112 kristaps 899:
1.337 schwarze 900: if (previous)
901: mparse_reset(mp);
902: else
903: previous = 1;
1.112 kristaps 904:
1.334 schwarze 905: mparse_readfd(mp, fd, file);
1.261 schwarze 906: if (fd != STDIN_FILENO)
907: close(fd);
1.112 kristaps 908:
1.1 kristaps 909: /*
1.154 kristaps 910: * With -Wstop and warnings or errors of at least the requested
911: * level, do not produce output.
1.1 kristaps 912: */
913:
1.335 schwarze 914: if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
1.227 schwarze 915: return;
1.111 kristaps 916:
1.335 schwarze 917: if (outst->outdata == NULL)
1.355 schwarze 918: outdata_alloc(outst, &conf->output);
1.335 schwarze 919: else if (outst->outtype == OUTT_HTML)
1.349 schwarze 920: html_reset(outst->outdata);
1.111 kristaps 921:
1.315 schwarze 922: mandoc_xr_reset();
1.334 schwarze 923: meta = mparse_result(mp);
1.250 schwarze 924:
925: /* Execute the out device, if it exists. */
926:
1.337 schwarze 927: outst->had_output = 1;
1.315 schwarze 928: if (meta->macroset == MACROSET_MDOC) {
1.335 schwarze 929: switch (outst->outtype) {
1.173 schwarze 930: case OUTT_HTML:
1.335 schwarze 931: html_mdoc(outst->outdata, meta);
1.111 kristaps 932: break;
1.173 schwarze 933: case OUTT_TREE:
1.335 schwarze 934: tree_mdoc(outst->outdata, meta);
1.111 kristaps 935: break;
1.173 schwarze 936: case OUTT_MAN:
1.335 schwarze 937: man_mdoc(outst->outdata, meta);
1.164 schwarze 938: break;
1.173 schwarze 939: case OUTT_PDF:
940: case OUTT_ASCII:
941: case OUTT_UTF8:
942: case OUTT_LOCALE:
943: case OUTT_PS:
1.335 schwarze 944: terminal_mdoc(outst->outdata, meta);
1.250 schwarze 945: break;
1.285 schwarze 946: case OUTT_MARKDOWN:
1.335 schwarze 947: markdown_mdoc(outst->outdata, meta);
1.285 schwarze 948: break;
1.250 schwarze 949: default:
950: break;
951: }
952: }
1.315 schwarze 953: if (meta->macroset == MACROSET_MAN) {
1.335 schwarze 954: switch (outst->outtype) {
1.250 schwarze 955: case OUTT_HTML:
1.335 schwarze 956: html_man(outst->outdata, meta);
1.250 schwarze 957: break;
958: case OUTT_TREE:
1.335 schwarze 959: tree_man(outst->outdata, meta);
1.250 schwarze 960: break;
961: case OUTT_MAN:
1.334 schwarze 962: mparse_copy(mp);
1.250 schwarze 963: break;
964: case OUTT_PDF:
965: case OUTT_ASCII:
966: case OUTT_UTF8:
967: case OUTT_LOCALE:
968: case OUTT_PS:
1.335 schwarze 969: terminal_man(outst->outdata, meta);
1.356 ! schwarze 970: break;
! 971: case OUTT_MARKDOWN:
! 972: mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL);
1.111 kristaps 973: break;
974: default:
975: break;
976: }
1.276 schwarze 977: }
1.355 schwarze 978: if (conf->output.tag != NULL && conf->output.tag_found == 0 &&
979: tag_exists(conf->output.tag))
980: conf->output.tag_found = 1;
981:
982: if (mandoc_msg_getmin() < MANDOCERR_STYLE) {
983: if (basepaths.sz == 0)
984: manpath_base(&basepaths);
985: check_xr(&basepaths);
986: } else if (mandoc_msg_getmin() < MANDOCERR_WARNING)
987: check_xr(&conf->manpath);
1.294 schwarze 988: }
989:
990: static void
1.355 schwarze 991: check_xr(struct manpaths *paths)
1.294 schwarze 992: {
993: struct mansearch search;
994: struct mandoc_xr *xr;
995: size_t sz;
996:
997: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.297 schwarze 998: if (xr->line == -1)
999: continue;
1.294 schwarze 1000: search.arch = NULL;
1001: search.sec = xr->sec;
1002: search.outkey = NULL;
1003: search.argmode = ARG_NAME;
1004: search.firstmatch = 1;
1.355 schwarze 1005: if (mansearch(&search, paths, 1, &xr->name, NULL, &sz))
1.295 schwarze 1006: continue;
1.355 schwarze 1007: if (fs_search(&search, paths, xr->name, NULL, &sz) != -1)
1.294 schwarze 1008: continue;
1.298 schwarze 1009: if (xr->count == 1)
1.313 schwarze 1010: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1011: xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1.298 schwarze 1012: else
1.313 schwarze 1013: mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1014: xr->pos + 1, "Xr %s %s (%d times)",
1.298 schwarze 1015: xr->name, xr->sec, xr->count);
1.294 schwarze 1016: }
1.276 schwarze 1017: }
1018:
1019: static void
1.335 schwarze 1020: outdata_alloc(struct outstate *outst, struct manoutput *outconf)
1.276 schwarze 1021: {
1.335 schwarze 1022: switch (outst->outtype) {
1.276 schwarze 1023: case OUTT_HTML:
1.335 schwarze 1024: outst->outdata = html_alloc(outconf);
1.276 schwarze 1025: break;
1026: case OUTT_UTF8:
1.335 schwarze 1027: outst->outdata = utf8_alloc(outconf);
1.276 schwarze 1028: break;
1029: case OUTT_LOCALE:
1.335 schwarze 1030: outst->outdata = locale_alloc(outconf);
1.276 schwarze 1031: break;
1032: case OUTT_ASCII:
1.335 schwarze 1033: outst->outdata = ascii_alloc(outconf);
1.276 schwarze 1034: break;
1035: case OUTT_PDF:
1.335 schwarze 1036: outst->outdata = pdf_alloc(outconf);
1.276 schwarze 1037: break;
1038: case OUTT_PS:
1.335 schwarze 1039: outst->outdata = ps_alloc(outconf);
1.276 schwarze 1040: break;
1041: default:
1042: break;
1.111 kristaps 1043: }
1.186 schwarze 1044: }
1045:
1.227 schwarze 1046: static void
1.329 schwarze 1047: passthrough(int fd, int synopsis_only)
1.186 schwarze 1048: {
1.197 schwarze 1049: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
1050: const char synr[] = "SYNOPSIS";
1051:
1052: FILE *stream;
1.257 schwarze 1053: char *line, *cp;
1054: size_t linesz;
1.277 schwarze 1055: ssize_t len, written;
1.329 schwarze 1056: int lno, print;
1.210 schwarze 1057:
1.329 schwarze 1058: stream = NULL;
1.257 schwarze 1059: line = NULL;
1060: linesz = 0;
1.197 schwarze 1061:
1.277 schwarze 1062: if (fflush(stdout) == EOF) {
1.329 schwarze 1063: mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1064: goto done;
1.277 schwarze 1065: }
1.197 schwarze 1066: if ((stream = fdopen(fd, "r")) == NULL) {
1067: close(fd);
1.329 schwarze 1068: mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1069: goto done;
1.197 schwarze 1070: }
1.186 schwarze 1071:
1.329 schwarze 1072: lno = print = 0;
1.277 schwarze 1073: while ((len = getline(&line, &linesz, stream)) != -1) {
1.329 schwarze 1074: lno++;
1.257 schwarze 1075: cp = line;
1.197 schwarze 1076: if (synopsis_only) {
1077: if (print) {
1.257 schwarze 1078: if ( ! isspace((unsigned char)*cp))
1.197 schwarze 1079: goto done;
1.277 schwarze 1080: while (isspace((unsigned char)*cp)) {
1.257 schwarze 1081: cp++;
1.277 schwarze 1082: len--;
1083: }
1.197 schwarze 1084: } else {
1.257 schwarze 1085: if (strcmp(cp, synb) == 0 ||
1086: strcmp(cp, synr) == 0)
1.197 schwarze 1087: print = 1;
1088: continue;
1089: }
1090: }
1.277 schwarze 1091: for (; len > 0; len -= written) {
1.329 schwarze 1092: if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1093: mandoc_msg(MANDOCERR_WRITE, 0, 0,
1094: "%s", strerror(errno));
1095: goto done;
1096: }
1.257 schwarze 1097: }
1.197 schwarze 1098: }
1.329 schwarze 1099: if (ferror(stream))
1100: mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1.193 schwarze 1101:
1.197 schwarze 1102: done:
1.257 schwarze 1103: free(line);
1.329 schwarze 1104: if (stream != NULL)
1105: fclose(stream);
1.1 kristaps 1106: }
1107:
1108: static int
1.334 schwarze 1109: woptions(char *arg, enum mandoc_os *os_e, int *wstop)
1.1 kristaps 1110: {
1.34 kristaps 1111: char *v, *o;
1.293 schwarze 1112: const char *toks[11];
1.1 kristaps 1113:
1.103 schwarze 1114: toks[0] = "stop";
1115: toks[1] = "all";
1.293 schwarze 1116: toks[2] = "base";
1117: toks[3] = "style";
1118: toks[4] = "warning";
1119: toks[5] = "error";
1120: toks[6] = "unsupp";
1121: toks[7] = "fatal";
1122: toks[8] = "openbsd";
1123: toks[9] = "netbsd";
1124: toks[10] = NULL;
1.1 kristaps 1125:
1.34 kristaps 1126: while (*arg) {
1127: o = arg;
1.272 schwarze 1128: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.173 schwarze 1129: case 0:
1.334 schwarze 1130: *wstop = 1;
1.1 kristaps 1131: break;
1.173 schwarze 1132: case 1:
1133: case 2:
1.312 schwarze 1134: mandoc_msg_setmin(MANDOCERR_BASE);
1.290 schwarze 1135: break;
1136: case 3:
1.312 schwarze 1137: mandoc_msg_setmin(MANDOCERR_STYLE);
1.1 kristaps 1138: break;
1.290 schwarze 1139: case 4:
1.312 schwarze 1140: mandoc_msg_setmin(MANDOCERR_WARNING);
1.24 kristaps 1141: break;
1.290 schwarze 1142: case 5:
1.312 schwarze 1143: mandoc_msg_setmin(MANDOCERR_ERROR);
1.217 schwarze 1144: break;
1.290 schwarze 1145: case 6:
1.312 schwarze 1146: mandoc_msg_setmin(MANDOCERR_UNSUPP);
1.293 schwarze 1147: break;
1148: case 7:
1.329 schwarze 1149: mandoc_msg_setmin(MANDOCERR_BADARG);
1.293 schwarze 1150: break;
1151: case 8:
1.312 schwarze 1152: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1153: *os_e = MANDOC_OS_OPENBSD;
1.293 schwarze 1154: break;
1155: case 9:
1.312 schwarze 1156: mandoc_msg_setmin(MANDOCERR_BASE);
1.334 schwarze 1157: *os_e = MANDOC_OS_NETBSD;
1.50 kristaps 1158: break;
1.1 kristaps 1159: default:
1.329 schwarze 1160: mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1161: return -1;
1.1 kristaps 1162: }
1.34 kristaps 1163: }
1.329 schwarze 1164: return 0;
1.333 schwarze 1165: }
1166:
1167: /*
1168: * Wait until moved to the foreground,
1169: * then fork the pager and wait for the user to close it.
1170: */
1171: static void
1.350 schwarze 1172: run_pager(struct outstate *outst, char *tag_target)
1.333 schwarze 1173: {
1174: int signum, status;
1175: pid_t man_pgid, tc_pgid;
1176: pid_t pager_pid, wait_pid;
1177:
1178: man_pgid = getpgid(0);
1.350 schwarze 1179: outst->tag_files->tcpgid =
1180: man_pgid == getpid() ? getpgid(getppid()) : man_pgid;
1.333 schwarze 1181: pager_pid = 0;
1182: signum = SIGSTOP;
1183:
1184: for (;;) {
1185: /* Stop here until moved to the foreground. */
1186:
1.348 schwarze 1187: tc_pgid = tcgetpgrp(STDOUT_FILENO);
1.333 schwarze 1188: if (tc_pgid != man_pgid) {
1189: if (tc_pgid == pager_pid) {
1.348 schwarze 1190: (void)tcsetpgrp(STDOUT_FILENO, man_pgid);
1.333 schwarze 1191: if (signum == SIGTTIN)
1192: continue;
1193: } else
1.350 schwarze 1194: outst->tag_files->tcpgid = tc_pgid;
1.333 schwarze 1195: kill(0, signum);
1196: continue;
1197: }
1198:
1199: /* Once in the foreground, activate the pager. */
1200:
1201: if (pager_pid) {
1.348 schwarze 1202: (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1.333 schwarze 1203: kill(pager_pid, SIGCONT);
1204: } else
1.350 schwarze 1205: pager_pid = spawn_pager(outst, tag_target);
1.333 schwarze 1206:
1207: /* Wait for the pager to stop or exit. */
1208:
1209: while ((wait_pid = waitpid(pager_pid, &status,
1210: WUNTRACED)) == -1 && errno == EINTR)
1211: continue;
1212:
1213: if (wait_pid == -1) {
1214: mandoc_msg(MANDOCERR_WAIT, 0, 0,
1215: "%s", strerror(errno));
1216: break;
1217: }
1218: if (!WIFSTOPPED(status))
1219: break;
1220:
1221: signum = WSTOPSIG(status);
1222: }
1.183 schwarze 1223: }
1224:
1.225 schwarze 1225: static pid_t
1.350 schwarze 1226: spawn_pager(struct outstate *outst, char *tag_target)
1.183 schwarze 1227: {
1.265 schwarze 1228: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.184 schwarze 1229: #define MAX_PAGER_ARGS 16
1230: char *argv[MAX_PAGER_ARGS];
1231: const char *pager;
1232: char *cp;
1.322 schwarze 1233: #if HAVE_LESS_T
1.239 schwarze 1234: size_t cmdlen;
1.322 schwarze 1235: #endif
1.309 schwarze 1236: int argc, use_ofn;
1.225 schwarze 1237: pid_t pager_pid;
1.183 schwarze 1238:
1.350 schwarze 1239: assert(outst->tag_files->ofd == -1);
1240: assert(outst->tag_files->tfs == NULL);
1.348 schwarze 1241:
1.239 schwarze 1242: pager = getenv("MANPAGER");
1243: if (pager == NULL || *pager == '\0')
1244: pager = getenv("PAGER");
1245: if (pager == NULL || *pager == '\0')
1.351 schwarze 1246: pager = BINM_PAGER;
1.239 schwarze 1247: cp = mandoc_strdup(pager);
1248:
1249: /*
1250: * Parse the pager command into words.
1251: * Intentionally do not do anything fancy here.
1252: */
1253:
1254: argc = 0;
1.309 schwarze 1255: while (argc + 5 < MAX_PAGER_ARGS) {
1.239 schwarze 1256: argv[argc++] = cp;
1257: cp = strchr(cp, ' ');
1258: if (cp == NULL)
1259: break;
1260: *cp++ = '\0';
1261: while (*cp == ' ')
1262: cp++;
1263: if (*cp == '\0')
1264: break;
1265: }
1266:
1.268 schwarze 1267: /* For less(1), use the tag file. */
1.239 schwarze 1268:
1.309 schwarze 1269: use_ofn = 1;
1.322 schwarze 1270: #if HAVE_LESS_T
1.350 schwarze 1271: if (*outst->tag_files->tfn != '\0' &&
1272: (cmdlen = strlen(argv[0])) >= 4) {
1.239 schwarze 1273: cp = argv[0] + cmdlen - 4;
1.268 schwarze 1274: if (strcmp(cp, "less") == 0) {
1.244 schwarze 1275: argv[argc++] = mandoc_strdup("-T");
1.350 schwarze 1276: argv[argc++] = outst->tag_files->tfn;
1.348 schwarze 1277: if (tag_target != NULL) {
1.309 schwarze 1278: argv[argc++] = mandoc_strdup("-t");
1.348 schwarze 1279: argv[argc++] = tag_target;
1.309 schwarze 1280: use_ofn = 0;
1281: }
1.244 schwarze 1282: }
1.239 schwarze 1283: }
1.322 schwarze 1284: #endif
1.350 schwarze 1285: if (use_ofn) {
1286: if (outst->outtype == OUTT_HTML && tag_target != NULL)
1287: mandoc_asprintf(&argv[argc], "file://%s#%s",
1288: outst->tag_files->ofn, tag_target);
1289: else
1290: argv[argc] = outst->tag_files->ofn;
1291: argc++;
1292: }
1.239 schwarze 1293: argv[argc] = NULL;
1294:
1.225 schwarze 1295: switch (pager_pid = fork()) {
1.183 schwarze 1296: case -1:
1.329 schwarze 1297: mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1298: exit(mandoc_msg_getrc());
1.183 schwarze 1299: case 0:
1.224 schwarze 1300: break;
1301: default:
1.258 schwarze 1302: (void)setpgid(pager_pid, 0);
1.348 schwarze 1303: (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1.255 schwarze 1304: #if HAVE_PLEDGE
1.329 schwarze 1305: if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1306: mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1307: "%s", strerror(errno));
1308: exit(mandoc_msg_getrc());
1309: }
1.255 schwarze 1310: #endif
1.350 schwarze 1311: outst->tag_files->pager_pid = pager_pid;
1.245 schwarze 1312: return pager_pid;
1.184 schwarze 1313: }
1314:
1.348 schwarze 1315: /*
1316: * The child process becomes the pager.
1317: * Do not start it before controlling the terminal.
1318: */
1.265 schwarze 1319:
1.279 schwarze 1320: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.265 schwarze 1321: nanosleep(&timeout, NULL);
1322:
1.184 schwarze 1323: execvp(argv[0], argv);
1.329 schwarze 1324: mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1325: _exit(mandoc_msg_getrc());
1.71 kristaps 1326: }
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