Annotation of mandoc/main.c, Revision 1.227
1.227 ! schwarze 1: /* $Id: main.c,v 1.226 2015/03/17 07:33:07 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.212 schwarze 4: * Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.169 schwarze 5: * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.25 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.25 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.58 kristaps 19: #include "config.h"
1.178 schwarze 20:
21: #include <sys/types.h>
1.216 schwarze 22: #include <sys/param.h> /* MACHINE */
1.224 schwarze 23: #include <sys/wait.h>
1.58 kristaps 24:
1.1 kristaps 25: #include <assert.h>
1.185 schwarze 26: #include <ctype.h>
1.183 schwarze 27: #include <errno.h>
1.186 schwarze 28: #include <fcntl.h>
1.222 schwarze 29: #include <glob.h>
1.226 schwarze 30: #include <signal.h>
1.1 kristaps 31: #include <stdio.h>
1.45 kristaps 32: #include <stdint.h>
1.1 kristaps 33: #include <stdlib.h>
34: #include <string.h>
35: #include <unistd.h>
36:
1.71 kristaps 37: #include "mandoc.h"
1.172 schwarze 38: #include "mandoc_aux.h"
1.90 kristaps 39: #include "main.h"
1.1 kristaps 40: #include "mdoc.h"
1.10 kristaps 41: #include "man.h"
1.180 schwarze 42: #include "manpath.h"
43: #include "mansearch.h"
1.101 joerg 44:
1.55 kristaps 45: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 kristaps 46: # if !defined(lint)
47: # define __attribute__(x)
48: # endif
1.55 kristaps 49: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 50:
1.181 schwarze 51: enum outmode {
52: OUTMODE_DEF = 0,
53: OUTMODE_FLN,
54: OUTMODE_LST,
55: OUTMODE_ALL,
56: OUTMODE_INT,
57: OUTMODE_ONE
58: };
59:
1.42 kristaps 60: typedef void (*out_mdoc)(void *, const struct mdoc *);
61: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 62: typedef void (*out_free)(void *);
63:
1.19 kristaps 64: enum outt {
1.154 kristaps 65: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 66: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 67: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 68: OUTT_TREE, /* -Ttree */
1.164 schwarze 69: OUTT_MAN, /* -Tman */
1.154 kristaps 70: OUTT_HTML, /* -Thtml */
71: OUTT_LINT, /* -Tlint */
72: OUTT_PS, /* -Tps */
73: OUTT_PDF /* -Tpdf */
1.19 kristaps 74: };
75:
1.5 kristaps 76: struct curparse {
1.154 kristaps 77: struct mparse *mp;
1.195 schwarze 78: struct mchars *mchars; /* character table */
1.148 kristaps 79: enum mandoclevel wlevel; /* ignore messages below this */
80: int wstop; /* stop after a file with a warning */
1.173 schwarze 81: enum outt outtype; /* which output to use */
1.79 kristaps 82: out_mdoc outmdoc; /* mdoc output ptr */
1.173 schwarze 83: out_man outman; /* man output ptr */
1.79 kristaps 84: out_free outfree; /* free output ptr */
85: void *outdata; /* data for output */
86: char outopts[BUFSIZ]; /* buf of output opts */
87: };
88:
1.213 schwarze 89: static int fs_lookup(const struct manpaths *,
90: size_t ipath, const char *,
91: const char *, const char *,
92: struct manpage **, size_t *);
93: static void fs_search(const struct mansearch *,
94: const struct manpaths *, int, char**,
95: struct manpage **, size_t *);
1.226 schwarze 96: static void handle_sigpipe(int);
1.194 schwarze 97: static int koptions(int *, char *);
1.203 schwarze 98: #if HAVE_SQLITE3
99: int mandocdb(int, char**);
100: #endif
1.170 schwarze 101: static int moptions(int *, char *);
1.155 kristaps 102: static void mmsg(enum mandocerr, enum mandoclevel,
103: const char *, int, int, const char *);
1.227 ! schwarze 104: static void parse(struct curparse *, int, const char *);
! 105: static void passthrough(const char *, int, int);
1.225 schwarze 106: static pid_t spawn_pager(void);
1.66 kristaps 107: static int toptions(struct curparse *, char *);
1.180 schwarze 108: static void usage(enum argmode) __attribute__((noreturn));
1.103 schwarze 109: static int woptions(struct curparse *, char *);
1.1 kristaps 110:
1.182 schwarze 111: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.202 schwarze 112: static char help_arg[] = "help";
113: static char *help_argv[] = {help_arg, NULL};
1.54 kristaps 114: static const char *progname;
1.226 schwarze 115: static enum mandoclevel rc;
1.1 kristaps 116:
1.173 schwarze 117:
1.1 kristaps 118: int
119: main(int argc, char *argv[])
120: {
1.5 kristaps 121: struct curparse curp;
1.180 schwarze 122: struct mansearch search;
123: struct manpaths paths;
1.205 schwarze 124: char *auxpaths;
1.180 schwarze 125: char *defos;
1.207 schwarze 126: unsigned char *uc;
1.186 schwarze 127: struct manpage *res, *resp;
1.205 schwarze 128: char *conf_file, *defpaths;
1.182 schwarze 129: size_t isec, i, sz;
1.205 schwarze 130: int prio, best_prio, synopsis_only;
1.182 schwarze 131: char sec;
1.226 schwarze 132: enum mandoclevel rctmp;
1.181 schwarze 133: enum outmode outmode;
1.192 schwarze 134: int fd;
1.180 schwarze 135: int show_usage;
1.170 schwarze 136: int options;
1.180 schwarze 137: int c;
1.225 schwarze 138: pid_t pager_pid; /* 0: don't use; 1: not yet spawned. */
1.1 kristaps 139:
1.219 schwarze 140: if (argc < 1)
141: progname = "mandoc";
142: else if ((progname = strrchr(argv[0], '/')) == NULL)
1.54 kristaps 143: progname = argv[0];
144: else
145: ++progname;
1.203 schwarze 146:
147: #if HAVE_SQLITE3
1.204 schwarze 148: if (strcmp(progname, BINM_MAKEWHATIS) == 0)
1.203 schwarze 149: return(mandocdb(argc, argv));
150: #endif
1.179 schwarze 151:
1.180 schwarze 152: /* Search options. */
153:
154: memset(&paths, 0, sizeof(struct manpaths));
1.205 schwarze 155: conf_file = defpaths = NULL;
156: auxpaths = NULL;
1.180 schwarze 157:
158: memset(&search, 0, sizeof(struct mansearch));
159: search.outkey = "Nd";
160:
1.204 schwarze 161: if (strcmp(progname, BINM_MAN) == 0)
1.180 schwarze 162: search.argmode = ARG_NAME;
1.204 schwarze 163: else if (strcmp(progname, BINM_APROPOS) == 0)
1.180 schwarze 164: search.argmode = ARG_EXPR;
1.204 schwarze 165: else if (strcmp(progname, BINM_WHATIS) == 0)
1.180 schwarze 166: search.argmode = ARG_WORD;
1.202 schwarze 167: else if (strncmp(progname, "help", 4) == 0)
168: search.argmode = ARG_NAME;
1.180 schwarze 169: else
170: search.argmode = ARG_FILE;
171:
172: /* Parser and formatter options. */
1.54 kristaps 173:
1.51 kristaps 174: memset(&curp, 0, sizeof(struct curparse));
1.201 schwarze 175: curp.outtype = OUTT_LOCALE;
1.215 schwarze 176: curp.wlevel = MANDOCLEVEL_BADARG;
1.194 schwarze 177: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.166 schwarze 178: defos = NULL;
1.19 kristaps 179:
1.225 schwarze 180: pager_pid = 1;
1.180 schwarze 181: show_usage = 0;
1.197 schwarze 182: synopsis_only = 0;
1.181 schwarze 183: outmode = OUTMODE_DEF;
1.183 schwarze 184:
1.194 schwarze 185: while (-1 != (c = getopt(argc, argv,
186: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 187: switch (c) {
1.181 schwarze 188: case 'a':
189: outmode = OUTMODE_ALL;
190: break;
1.180 schwarze 191: case 'C':
192: conf_file = optarg;
193: break;
1.183 schwarze 194: case 'c':
1.225 schwarze 195: pager_pid = 0;
1.183 schwarze 196: break;
1.180 schwarze 197: case 'f':
198: search.argmode = ARG_WORD;
199: break;
1.190 schwarze 200: case 'h':
201: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.197 schwarze 202: synopsis_only = 1;
1.225 schwarze 203: pager_pid = 0;
1.190 schwarze 204: outmode = OUTMODE_ALL;
205: break;
1.173 schwarze 206: case 'I':
1.166 schwarze 207: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 208: fprintf(stderr,
1.209 schwarze 209: "%s: -I %s: Bad argument\n",
1.176 schwarze 210: progname, optarg);
1.166 schwarze 211: return((int)MANDOCLEVEL_BADARG);
212: }
213: if (defos) {
1.173 schwarze 214: fprintf(stderr,
1.209 schwarze 215: "%s: -I %s: Duplicate argument\n",
1.176 schwarze 216: progname, optarg);
1.166 schwarze 217: return((int)MANDOCLEVEL_BADARG);
218: }
219: defos = mandoc_strdup(optarg + 3);
220: break;
1.181 schwarze 221: case 'i':
222: outmode = OUTMODE_INT;
223: break;
1.194 schwarze 224: case 'K':
225: if ( ! koptions(&options, optarg))
226: return((int)MANDOCLEVEL_BADARG);
227: break;
1.180 schwarze 228: case 'k':
229: search.argmode = ARG_EXPR;
230: break;
1.188 schwarze 231: case 'l':
232: search.argmode = ARG_FILE;
233: outmode = OUTMODE_ALL;
234: break;
1.180 schwarze 235: case 'M':
236: defpaths = optarg;
237: break;
1.173 schwarze 238: case 'm':
1.180 schwarze 239: auxpaths = optarg;
1.10 kristaps 240: break;
1.173 schwarze 241: case 'O':
1.180 schwarze 242: search.outkey = optarg;
1.49 kristaps 243: (void)strlcat(curp.outopts, optarg, BUFSIZ);
244: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 245: break;
1.180 schwarze 246: case 'S':
247: search.arch = optarg;
248: break;
249: case 's':
250: search.sec = optarg;
251: break;
1.173 schwarze 252: case 'T':
1.60 kristaps 253: if ( ! toptions(&curp, optarg))
1.105 kristaps 254: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 255: break;
1.173 schwarze 256: case 'W':
1.103 schwarze 257: if ( ! woptions(&curp, optarg))
1.105 kristaps 258: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 259: break;
1.181 schwarze 260: case 'w':
261: outmode = OUTMODE_FLN;
262: break;
1.1 kristaps 263: default:
1.180 schwarze 264: show_usage = 1;
265: break;
1.1 kristaps 266: }
1.180 schwarze 267: }
268:
269: if (show_usage)
270: usage(search.argmode);
271:
1.185 schwarze 272: /* Postprocess options. */
273:
1.181 schwarze 274: if (outmode == OUTMODE_DEF) {
275: switch (search.argmode) {
276: case ARG_FILE:
277: outmode = OUTMODE_ALL;
1.225 schwarze 278: pager_pid = 0;
1.181 schwarze 279: break;
280: case ARG_NAME:
281: outmode = OUTMODE_ONE;
282: break;
283: default:
284: outmode = OUTMODE_LST;
285: break;
286: }
287: }
288:
1.185 schwarze 289: /* Parse arguments. */
290:
1.219 schwarze 291: if (argc > 0) {
292: argc -= optind;
293: argv += optind;
294: }
1.186 schwarze 295: resp = NULL;
1.185 schwarze 296:
1.202 schwarze 297: /*
298: * Quirks for help(1)
299: * and for a man(1) section argument without -s.
300: */
301:
302: if (search.argmode == ARG_NAME) {
303: if (*progname == 'h') {
304: if (argc == 0) {
305: argv = help_argv;
306: argc = 1;
307: }
1.211 schwarze 308: } else if (argc > 1 &&
1.223 kristaps 309: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.207 schwarze 310: ((isdigit(uc[0]) && (uc[1] == '\0' ||
311: (isalpha(uc[1]) && uc[2] == '\0'))) ||
312: (uc[0] == 'n' && uc[1] == '\0'))) {
1.223 kristaps 313: search.sec = (char *)uc;
1.202 schwarze 314: argv++;
315: argc--;
316: }
1.216 schwarze 317: if (search.arch == NULL)
318: search.arch = getenv("MACHINE");
1.223 kristaps 319: #ifdef MACHINE
1.216 schwarze 320: if (search.arch == NULL)
321: search.arch = MACHINE;
1.223 kristaps 322: #endif
1.185 schwarze 323: }
1.182 schwarze 324:
325: rc = MANDOCLEVEL_OK;
1.180 schwarze 326:
327: /* man(1), whatis(1), apropos(1) */
328:
329: if (search.argmode != ARG_FILE) {
330: if (argc == 0)
331: usage(search.argmode);
1.199 schwarze 332:
333: if (search.argmode == ARG_NAME &&
334: outmode == OUTMODE_ONE)
335: search.firstmatch = 1;
1.182 schwarze 336:
337: /* Access the mandoc database. */
338:
1.180 schwarze 339: manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.218 schwarze 340: #if HAVE_SQLITE3
1.180 schwarze 341: mansearch_setup(1);
342: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
343: usage(search.argmode);
1.218 schwarze 344: #else
345: if (search.argmode != ARG_NAME) {
346: fputs("mandoc: database support not compiled in\n",
347: stderr);
348: return((int)MANDOCLEVEL_BADARG);
349: }
350: sz = 0;
351: #endif
1.213 schwarze 352:
353: if (sz == 0 && search.argmode == ARG_NAME)
354: fs_search(&search, &paths, argc, argv, &res, &sz);
1.187 schwarze 355:
356: if (sz == 0) {
357: rc = MANDOCLEVEL_BADARG;
358: goto out;
359: }
1.182 schwarze 360:
361: /*
362: * For standard man(1) and -a output mode,
363: * prepare for copying filename pointers
364: * into the program parameter array.
365: */
366:
367: if (outmode == OUTMODE_ONE) {
368: argc = 1;
369: best_prio = 10;
1.186 schwarze 370: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 371: argc = (int)sz;
372:
373: /* Iterate all matching manuals. */
374:
1.213 schwarze 375: resp = res;
1.181 schwarze 376: for (i = 0; i < sz; i++) {
377: if (outmode == OUTMODE_FLN)
378: puts(res[i].file);
1.182 schwarze 379: else if (outmode == OUTMODE_LST)
1.181 schwarze 380: printf("%s - %s\n", res[i].names,
381: res[i].output == NULL ? "" :
382: res[i].output);
1.186 schwarze 383: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 384: /* Search for the best section. */
385: isec = strcspn(res[i].file, "123456789");
386: sec = res[i].file[isec];
387: if ('\0' == sec)
388: continue;
389: prio = sec_prios[sec - '1'];
390: if (prio >= best_prio)
391: continue;
392: best_prio = prio;
1.186 schwarze 393: resp = res + i;
1.182 schwarze 394: }
1.181 schwarze 395: }
1.182 schwarze 396:
397: /*
398: * For man(1), -a and -i output mode, fall through
399: * to the main mandoc(1) code iterating files
400: * and running the parsers on each of them.
401: */
402:
403: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
404: goto out;
1.180 schwarze 405: }
406:
407: /* mandoc(1) */
408:
1.209 schwarze 409: if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
1.180 schwarze 410: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 411:
1.195 schwarze 412: curp.mchars = mchars_alloc();
413: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
414: curp.mchars, defos);
1.154 kristaps 415:
1.165 kristaps 416: /*
417: * Conditionally start up the lookaside buffer before parsing.
418: */
419: if (OUTT_MAN == curp.outtype)
420: mparse_keep(curp.mp);
421:
1.219 schwarze 422: if (argc < 1) {
1.225 schwarze 423: if (pager_pid == 1 && isatty(STDOUT_FILENO))
424: pager_pid = spawn_pager();
1.227 ! schwarze 425: parse(&curp, STDIN_FILENO, "<stdin>");
1.212 schwarze 426: }
1.64 kristaps 427:
1.219 schwarze 428: while (argc > 0) {
1.214 schwarze 429: rctmp = mparse_open(curp.mp, &fd,
1.218 schwarze 430: resp != NULL ? resp->file : *argv);
1.214 schwarze 431: if (rc < rctmp)
432: rc = rctmp;
1.212 schwarze 433:
434: if (fd != -1) {
1.225 schwarze 435: if (pager_pid == 1 && isatty(STDOUT_FILENO))
436: pager_pid = spawn_pager();
1.212 schwarze 437:
438: if (resp == NULL)
1.227 ! schwarze 439: parse(&curp, fd, *argv);
1.192 schwarze 440: else if (resp->form & FORM_SRC) {
1.189 schwarze 441: /* For .so only; ignore failure. */
442: chdir(paths.paths[resp->ipath]);
1.227 ! schwarze 443: parse(&curp, fd, resp->file);
! 444: } else
! 445: passthrough(resp->file, fd, synopsis_only);
1.212 schwarze 446:
1.214 schwarze 447: rctmp = mparse_wait(curp.mp);
448: if (rc < rctmp)
449: rc = rctmp;
1.212 schwarze 450:
451: if (argc > 1 && curp.outtype <= OUTT_UTF8)
452: ascii_sepline(curp.outdata);
1.192 schwarze 453: }
454:
1.154 kristaps 455: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 456: break;
1.210 schwarze 457:
1.212 schwarze 458: if (resp != NULL)
459: resp++;
460: else
461: argv++;
462: if (--argc)
463: mparse_reset(curp.mp);
1.1 kristaps 464: }
465:
1.22 kristaps 466: if (curp.outfree)
467: (*curp.outfree)(curp.outdata);
1.195 schwarze 468: mparse_free(curp.mp);
469: mchars_free(curp.mchars);
1.182 schwarze 470:
471: out:
472: if (search.argmode != ARG_FILE) {
1.189 schwarze 473: manpath_free(&paths);
1.218 schwarze 474: #if HAVE_SQLITE3
1.182 schwarze 475: mansearch_free(res, sz);
476: mansearch_setup(0);
1.218 schwarze 477: #endif
1.182 schwarze 478: }
479:
1.166 schwarze 480: free(defos);
1.1 kristaps 481:
1.224 schwarze 482: /*
1.225 schwarze 483: * If a pager is attached, flush the pipe leading to it
484: * and signal end of file such that the user can browse
485: * to the end. Then wait for the user to close the pager.
1.224 schwarze 486: */
487:
1.225 schwarze 488: if (pager_pid != 0 && pager_pid != 1) {
489: fclose(stdout);
490: waitpid(pager_pid, NULL, 0);
491: }
1.224 schwarze 492:
1.154 kristaps 493: return((int)rc);
1.1 kristaps 494: }
495:
1.55 kristaps 496: static void
1.180 schwarze 497: usage(enum argmode argmode)
1.1 kristaps 498: {
499:
1.180 schwarze 500: switch (argmode) {
501: case ARG_FILE:
1.221 schwarze 502: fputs("usage: mandoc [-acfhkl] [-Ios=name] "
1.196 schwarze 503: "[-Kencoding] [-mformat] [-Ooption]\n"
504: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.180 schwarze 505: break;
506: case ARG_NAME:
1.221 schwarze 507: fputs("usage: man [-acfhklw] [-C file] [-I os=name] "
1.208 schwarze 508: "[-K encoding] [-M path] [-m path]\n"
509: "\t [-O option=value] [-S subsection] [-s section] "
510: "[-T output] [-W level]\n"
1.180 schwarze 511: "\t [section] name ...\n", stderr);
512: break;
513: case ARG_WORD:
1.221 schwarze 514: fputs("usage: whatis [-acfhklw] [-C file] "
1.188 schwarze 515: "[-M path] [-m path] [-O outkey] [-S arch]\n"
516: "\t [-s section] name ...\n", stderr);
1.180 schwarze 517: break;
518: case ARG_EXPR:
1.221 schwarze 519: fputs("usage: apropos [-acfhklw] [-C file] "
1.188 schwarze 520: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 521: "\t [-s section] expression ...\n", stderr);
522: break;
523: }
1.105 kristaps 524: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 525: }
1.213 schwarze 526:
527: static int
528: fs_lookup(const struct manpaths *paths, size_t ipath,
529: const char *sec, const char *arch, const char *name,
530: struct manpage **res, size_t *ressz)
531: {
1.222 schwarze 532: glob_t globinfo;
1.213 schwarze 533: struct manpage *page;
534: char *file;
1.222 schwarze 535: int form, globres;
1.213 schwarze 536:
1.222 schwarze 537: form = FORM_SRC;
1.213 schwarze 538: mandoc_asprintf(&file, "%s/man%s/%s.%s",
539: paths->paths[ipath], sec, name, sec);
1.222 schwarze 540: if (access(file, R_OK) != -1)
1.213 schwarze 541: goto found;
542: free(file);
543:
544: mandoc_asprintf(&file, "%s/cat%s/%s.0",
545: paths->paths[ipath], sec, name);
546: if (access(file, R_OK) != -1) {
547: form = FORM_CAT;
548: goto found;
549: }
550: free(file);
551:
552: if (arch != NULL) {
553: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
554: paths->paths[ipath], sec, arch, name, sec);
1.222 schwarze 555: if (access(file, R_OK) != -1)
1.213 schwarze 556: goto found;
557: free(file);
558: }
1.222 schwarze 559:
560: mandoc_asprintf(&file, "%s/man%s/%s.*",
561: paths->paths[ipath], sec, name);
562: globres = glob(file, 0, NULL, &globinfo);
563: if (globres != 0 && globres != GLOB_NOMATCH)
564: fprintf(stderr, "%s: %s: glob: %s\n",
565: progname, file, strerror(errno));
566: free(file);
567: if (globres == 0)
568: file = mandoc_strdup(*globinfo.gl_pathv);
569: globfree(&globinfo);
570: if (globres != 0)
571: return(0);
1.213 schwarze 572:
573: found:
1.218 schwarze 574: #if HAVE_SQLITE3
1.213 schwarze 575: fprintf(stderr, "%s: outdated mandoc.db lacks %s(%s) entry,\n"
576: " consider running # makewhatis %s\n",
577: progname, name, sec, paths->paths[ipath]);
1.218 schwarze 578: #endif
1.220 schwarze 579:
1.213 schwarze 580: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
581: page = *res + (*ressz - 1);
582: page->file = file;
583: page->names = NULL;
584: page->output = NULL;
585: page->ipath = ipath;
586: page->bits = NAME_FILE & NAME_MASK;
587: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
588: page->form = form;
589: return(1);
590: }
591:
592: static void
593: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
594: int argc, char **argv, struct manpage **res, size_t *ressz)
595: {
596: const char *const sections[] =
597: {"1", "8", "6", "2", "3", "3p", "5", "7", "4", "9"};
598: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
599:
600: size_t ipath, isec, lastsz;
601:
602: assert(cfg->argmode == ARG_NAME);
603:
604: *res = NULL;
605: *ressz = lastsz = 0;
606: while (argc) {
607: for (ipath = 0; ipath < paths->sz; ipath++) {
608: if (cfg->sec != NULL) {
609: if (fs_lookup(paths, ipath, cfg->sec,
610: cfg->arch, *argv, res, ressz) &&
611: cfg->firstmatch)
612: return;
613: } else for (isec = 0; isec < nsec; isec++)
614: if (fs_lookup(paths, ipath, sections[isec],
615: cfg->arch, *argv, res, ressz) &&
616: cfg->firstmatch)
617: return;
618: }
619: if (*ressz == lastsz)
620: fprintf(stderr,
621: "%s: No entry for %s in the manual.\n",
622: progname, *argv);
623: lastsz = *ressz;
624: argv++;
625: argc--;
626: }
627: }
1.68 joerg 628:
1.64 kristaps 629: static void
1.227 ! schwarze 630: parse(struct curparse *curp, int fd, const char *file)
1.1 kristaps 631: {
1.227 ! schwarze 632: enum mandoclevel rctmp;
1.154 kristaps 633: struct mdoc *mdoc;
634: struct man *man;
1.112 kristaps 635:
1.154 kristaps 636: /* Begin by parsing the file itself. */
1.112 kristaps 637:
1.154 kristaps 638: assert(file);
639: assert(fd >= -1);
1.112 kristaps 640:
1.227 ! schwarze 641: rctmp = mparse_readfd(curp->mp, fd, file);
! 642: if (rc < rctmp)
! 643: rc = rctmp;
1.112 kristaps 644:
1.1 kristaps 645: /*
1.154 kristaps 646: * With -Wstop and warnings or errors of at least the requested
647: * level, do not produce output.
1.1 kristaps 648: */
649:
1.227 ! schwarze 650: if (rctmp != MANDOCLEVEL_OK && curp->wstop)
! 651: return;
1.111 kristaps 652:
653: /* If unset, allocate output dev now (if applicable). */
654:
655: if ( ! (curp->outman && curp->outmdoc)) {
656: switch (curp->outtype) {
1.173 schwarze 657: case OUTT_HTML:
1.195 schwarze 658: curp->outdata = html_alloc(curp->mchars,
659: curp->outopts);
1.162 kristaps 660: curp->outfree = html_free;
661: break;
1.173 schwarze 662: case OUTT_UTF8:
1.195 schwarze 663: curp->outdata = utf8_alloc(curp->mchars,
664: curp->outopts);
1.163 kristaps 665: curp->outfree = ascii_free;
666: break;
1.173 schwarze 667: case OUTT_LOCALE:
1.195 schwarze 668: curp->outdata = locale_alloc(curp->mchars,
669: curp->outopts);
1.162 kristaps 670: curp->outfree = ascii_free;
1.111 kristaps 671: break;
1.173 schwarze 672: case OUTT_ASCII:
1.195 schwarze 673: curp->outdata = ascii_alloc(curp->mchars,
674: curp->outopts);
1.111 kristaps 675: curp->outfree = ascii_free;
676: break;
1.173 schwarze 677: case OUTT_PDF:
1.195 schwarze 678: curp->outdata = pdf_alloc(curp->mchars,
679: curp->outopts);
1.111 kristaps 680: curp->outfree = pspdf_free;
681: break;
1.173 schwarze 682: case OUTT_PS:
1.195 schwarze 683: curp->outdata = ps_alloc(curp->mchars,
684: curp->outopts);
1.111 kristaps 685: curp->outfree = pspdf_free;
686: break;
687: default:
688: break;
689: }
690:
691: switch (curp->outtype) {
1.173 schwarze 692: case OUTT_HTML:
1.111 kristaps 693: curp->outman = html_man;
694: curp->outmdoc = html_mdoc;
695: break;
1.173 schwarze 696: case OUTT_TREE:
1.111 kristaps 697: curp->outman = tree_man;
698: curp->outmdoc = tree_mdoc;
699: break;
1.173 schwarze 700: case OUTT_MAN:
1.164 schwarze 701: curp->outmdoc = man_mdoc;
1.165 kristaps 702: curp->outman = man_man;
1.164 schwarze 703: break;
1.173 schwarze 704: case OUTT_PDF:
1.111 kristaps 705: /* FALLTHROUGH */
1.173 schwarze 706: case OUTT_ASCII:
1.111 kristaps 707: /* FALLTHROUGH */
1.173 schwarze 708: case OUTT_UTF8:
1.163 kristaps 709: /* FALLTHROUGH */
1.173 schwarze 710: case OUTT_LOCALE:
1.162 kristaps 711: /* FALLTHROUGH */
1.173 schwarze 712: case OUTT_PS:
1.111 kristaps 713: curp->outman = terminal_man;
714: curp->outmdoc = terminal_mdoc;
715: break;
716: default:
717: break;
718: }
719: }
720:
1.171 schwarze 721: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 722:
1.111 kristaps 723: /* Execute the out device, if it exists. */
724:
1.154 kristaps 725: if (man && curp->outman)
726: (*curp->outman)(curp->outdata, man);
727: if (mdoc && curp->outmdoc)
728: (*curp->outmdoc)(curp->outdata, mdoc);
1.186 schwarze 729: }
730:
1.227 ! schwarze 731: static void
1.197 schwarze 732: passthrough(const char *file, int fd, int synopsis_only)
1.186 schwarze 733: {
1.197 schwarze 734: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
735: const char synr[] = "SYNOPSIS";
736:
737: FILE *stream;
1.186 schwarze 738: const char *syscall;
1.197 schwarze 739: char *line;
740: size_t len, off;
741: ssize_t nw;
742: int print;
1.210 schwarze 743:
744: fflush(stdout);
1.197 schwarze 745:
746: if ((stream = fdopen(fd, "r")) == NULL) {
747: close(fd);
748: syscall = "fdopen";
749: goto fail;
750: }
1.186 schwarze 751:
1.197 schwarze 752: print = 0;
753: while ((line = fgetln(stream, &len)) != NULL) {
754: if (synopsis_only) {
755: if (print) {
756: if ( ! isspace((unsigned char)*line))
757: goto done;
758: while (len &&
759: isspace((unsigned char)*line)) {
760: line++;
761: len--;
762: }
763: } else {
764: if ((len == sizeof(synb) &&
765: ! strncmp(line, synb, len - 1)) ||
766: (len == sizeof(synr) &&
767: ! strncmp(line, synr, len - 1)))
768: print = 1;
769: continue;
770: }
771: }
772: for (off = 0; off < len; off += nw)
773: if ((nw = write(STDOUT_FILENO, line + off,
774: len - off)) == -1 || nw == 0) {
775: fclose(stream);
1.186 schwarze 776: syscall = "write";
777: goto fail;
778: }
1.197 schwarze 779: }
1.186 schwarze 780:
1.197 schwarze 781: if (ferror(stream)) {
782: fclose(stream);
783: syscall = "fgetln";
784: goto fail;
785: }
1.193 schwarze 786:
1.197 schwarze 787: done:
788: fclose(stream);
1.227 ! schwarze 789: return;
1.186 schwarze 790:
791: fail:
792: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
793: progname, file, syscall, strerror(errno));
1.227 ! schwarze 794: if (rc < MANDOCLEVEL_SYSERR)
! 795: rc = MANDOCLEVEL_SYSERR;
1.194 schwarze 796: }
797:
798: static int
799: koptions(int *options, char *arg)
800: {
801:
802: if ( ! strcmp(arg, "utf-8")) {
803: *options |= MPARSE_UTF8;
804: *options &= ~MPARSE_LATIN1;
805: } else if ( ! strcmp(arg, "iso-8859-1")) {
806: *options |= MPARSE_LATIN1;
807: *options &= ~MPARSE_UTF8;
808: } else if ( ! strcmp(arg, "us-ascii")) {
809: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
810: } else {
1.209 schwarze 811: fprintf(stderr, "%s: -K %s: Bad argument\n",
1.194 schwarze 812: progname, arg);
813: return(0);
814: }
815: return(1);
1.10 kristaps 816: }
817:
818: static int
1.170 schwarze 819: moptions(int *options, char *arg)
1.10 kristaps 820: {
821:
1.180 schwarze 822: if (arg == NULL)
823: /* nothing to do */;
824: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 825: *options |= MPARSE_MDOC;
1.19 kristaps 826: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 827: /* nothing to do */;
1.17 kristaps 828: else if (0 == strcmp(arg, "an"))
1.170 schwarze 829: *options |= MPARSE_MAN;
1.10 kristaps 830: else {
1.209 schwarze 831: fprintf(stderr, "%s: -m %s: Bad argument\n",
1.176 schwarze 832: progname, arg);
1.10 kristaps 833: return(0);
834: }
835:
836: return(1);
1.1 kristaps 837: }
838:
839: static int
1.60 kristaps 840: toptions(struct curparse *curp, char *arg)
1.1 kristaps 841: {
842:
843: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 844: curp->outtype = OUTT_ASCII;
845: else if (0 == strcmp(arg, "lint")) {
846: curp->outtype = OUTT_LINT;
1.103 schwarze 847: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 848: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 849: curp->outtype = OUTT_TREE;
1.164 schwarze 850: else if (0 == strcmp(arg, "man"))
851: curp->outtype = OUTT_MAN;
1.43 kristaps 852: else if (0 == strcmp(arg, "html"))
1.60 kristaps 853: curp->outtype = OUTT_HTML;
1.163 kristaps 854: else if (0 == strcmp(arg, "utf8"))
855: curp->outtype = OUTT_UTF8;
1.162 kristaps 856: else if (0 == strcmp(arg, "locale"))
857: curp->outtype = OUTT_LOCALE;
1.59 kristaps 858: else if (0 == strcmp(arg, "xhtml"))
1.195 schwarze 859: curp->outtype = OUTT_HTML;
1.85 kristaps 860: else if (0 == strcmp(arg, "ps"))
861: curp->outtype = OUTT_PS;
1.100 kristaps 862: else if (0 == strcmp(arg, "pdf"))
863: curp->outtype = OUTT_PDF;
1.1 kristaps 864: else {
1.209 schwarze 865: fprintf(stderr, "%s: -T %s: Bad argument\n",
1.176 schwarze 866: progname, arg);
1.1 kristaps 867: return(0);
868: }
869:
870: return(1);
871: }
872:
873: static int
1.103 schwarze 874: woptions(struct curparse *curp, char *arg)
1.1 kristaps 875: {
1.34 kristaps 876: char *v, *o;
1.217 schwarze 877: const char *toks[7];
1.1 kristaps 878:
1.103 schwarze 879: toks[0] = "stop";
880: toks[1] = "all";
881: toks[2] = "warning";
882: toks[3] = "error";
1.217 schwarze 883: toks[4] = "unsupp";
884: toks[5] = "fatal";
885: toks[6] = NULL;
1.1 kristaps 886:
1.34 kristaps 887: while (*arg) {
888: o = arg;
1.45 kristaps 889: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 890: case 0:
1.103 schwarze 891: curp->wstop = 1;
1.1 kristaps 892: break;
1.173 schwarze 893: case 1:
1.103 schwarze 894: /* FALLTHROUGH */
1.173 schwarze 895: case 2:
1.103 schwarze 896: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 897: break;
1.173 schwarze 898: case 3:
1.103 schwarze 899: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 900: break;
1.173 schwarze 901: case 4:
1.217 schwarze 902: curp->wlevel = MANDOCLEVEL_UNSUPP;
903: break;
904: case 5:
1.215 schwarze 905: curp->wlevel = MANDOCLEVEL_BADARG;
1.50 kristaps 906: break;
1.1 kristaps 907: default:
1.209 schwarze 908: fprintf(stderr, "%s: -W %s: Bad argument\n",
1.176 schwarze 909: progname, o);
1.1 kristaps 910: return(0);
911: }
1.34 kristaps 912: }
1.1 kristaps 913:
914: return(1);
915: }
916:
1.153 kristaps 917: static void
1.173 schwarze 918: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 919: const char *file, int line, int col, const char *msg)
1.71 kristaps 920: {
1.177 schwarze 921: const char *mparse_msg;
1.103 schwarze 922:
1.175 schwarze 923: fprintf(stderr, "%s: %s:", progname, file);
924:
925: if (line)
926: fprintf(stderr, "%d:%d:", line, col + 1);
927:
1.177 schwarze 928: fprintf(stderr, " %s", mparse_strlevel(lvl));
929:
930: if (NULL != (mparse_msg = mparse_strerror(t)))
931: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 932:
1.73 kristaps 933: if (msg)
934: fprintf(stderr, ": %s", msg);
1.154 kristaps 935:
1.73 kristaps 936: fputc('\n', stderr);
1.183 schwarze 937: }
938:
1.226 schwarze 939: static void
940: handle_sigpipe(int signum)
941: {
942:
1.227 ! schwarze 943: exit((int)rc);
1.226 schwarze 944: }
945:
1.225 schwarze 946: static pid_t
1.183 schwarze 947: spawn_pager(void)
948: {
1.184 schwarze 949: #define MAX_PAGER_ARGS 16
950: char *argv[MAX_PAGER_ARGS];
951: const char *pager;
952: char *cp;
953: int fildes[2];
954: int argc;
1.225 schwarze 955: pid_t pager_pid;
1.183 schwarze 956:
957: if (pipe(fildes) == -1) {
958: fprintf(stderr, "%s: pipe: %s\n",
959: progname, strerror(errno));
1.225 schwarze 960: return(0);
1.183 schwarze 961: }
962:
1.225 schwarze 963: switch (pager_pid = fork()) {
1.183 schwarze 964: case -1:
965: fprintf(stderr, "%s: fork: %s\n",
966: progname, strerror(errno));
967: exit((int)MANDOCLEVEL_SYSERR);
968: case 0:
1.224 schwarze 969: break;
970: default:
1.183 schwarze 971: close(fildes[0]);
972: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
973: fprintf(stderr, "%s: dup output: %s\n",
974: progname, strerror(errno));
975: exit((int)MANDOCLEVEL_SYSERR);
976: }
1.224 schwarze 977: close(fildes[1]);
1.226 schwarze 978: signal(SIGPIPE, handle_sigpipe);
1.225 schwarze 979: return(pager_pid);
1.184 schwarze 980: }
981:
1.224 schwarze 982: /* The child process becomes the pager. */
1.184 schwarze 983:
984: close(fildes[1]);
985: if (dup2(fildes[0], STDIN_FILENO) == -1) {
986: fprintf(stderr, "%s: dup input: %s\n",
987: progname, strerror(errno));
1.183 schwarze 988: exit((int)MANDOCLEVEL_SYSERR);
989: }
1.224 schwarze 990: close(fildes[0]);
1.184 schwarze 991:
992: pager = getenv("MANPAGER");
993: if (pager == NULL || *pager == '\0')
994: pager = getenv("PAGER");
995: if (pager == NULL || *pager == '\0')
996: pager = "/usr/bin/more -s";
997: cp = mandoc_strdup(pager);
998:
999: /*
1000: * Parse the pager command into words.
1001: * Intentionally do not do anything fancy here.
1002: */
1003:
1004: argc = 0;
1005: while (argc + 1 < MAX_PAGER_ARGS) {
1006: argv[argc++] = cp;
1007: cp = strchr(cp, ' ');
1008: if (cp == NULL)
1009: break;
1010: *cp++ = '\0';
1011: while (*cp == ' ')
1012: cp++;
1013: if (*cp == '\0')
1014: break;
1015: }
1016: argv[argc] = NULL;
1017:
1018: /* Hand over to the pager. */
1019:
1020: execvp(argv[0], argv);
1021: fprintf(stderr, "%s: exec: %s\n",
1022: progname, strerror(errno));
1023: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 1024: }
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