Annotation of mandoc/main.c, Revision 1.192
1.192 ! schwarze 1: /* $Id: main.c,v 1.191 2014/09/03 18:09:14 schwarze Exp $ */
1.1 kristaps 2: /*
1.183 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.170 schwarze 4: * Copyright (c) 2010, 2011, 2012, 2014 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>
1.58 kristaps 22:
1.1 kristaps 23: #include <assert.h>
1.185 schwarze 24: #include <ctype.h>
1.183 schwarze 25: #include <errno.h>
1.186 schwarze 26: #include <fcntl.h>
1.1 kristaps 27: #include <stdio.h>
1.45 kristaps 28: #include <stdint.h>
1.1 kristaps 29: #include <stdlib.h>
30: #include <string.h>
31: #include <unistd.h>
32:
1.71 kristaps 33: #include "mandoc.h"
1.172 schwarze 34: #include "mandoc_aux.h"
1.90 kristaps 35: #include "main.h"
1.1 kristaps 36: #include "mdoc.h"
1.10 kristaps 37: #include "man.h"
1.180 schwarze 38: #include "manpath.h"
39: #include "mansearch.h"
1.101 joerg 40:
1.55 kristaps 41: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56 kristaps 42: # if !defined(lint)
43: # define __attribute__(x)
44: # endif
1.55 kristaps 45: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16 kristaps 46:
1.181 schwarze 47: enum outmode {
48: OUTMODE_DEF = 0,
49: OUTMODE_FLN,
50: OUTMODE_LST,
51: OUTMODE_ALL,
52: OUTMODE_INT,
53: OUTMODE_ONE
54: };
55:
1.42 kristaps 56: typedef void (*out_mdoc)(void *, const struct mdoc *);
57: typedef void (*out_man)(void *, const struct man *);
1.22 kristaps 58: typedef void (*out_free)(void *);
59:
1.19 kristaps 60: enum outt {
1.154 kristaps 61: OUTT_ASCII = 0, /* -Tascii */
1.162 kristaps 62: OUTT_LOCALE, /* -Tlocale */
1.163 kristaps 63: OUTT_UTF8, /* -Tutf8 */
1.154 kristaps 64: OUTT_TREE, /* -Ttree */
1.164 schwarze 65: OUTT_MAN, /* -Tman */
1.154 kristaps 66: OUTT_HTML, /* -Thtml */
67: OUTT_XHTML, /* -Txhtml */
68: OUTT_LINT, /* -Tlint */
69: OUTT_PS, /* -Tps */
70: OUTT_PDF /* -Tpdf */
1.19 kristaps 71: };
72:
1.5 kristaps 73: struct curparse {
1.154 kristaps 74: struct mparse *mp;
1.148 kristaps 75: enum mandoclevel wlevel; /* ignore messages below this */
76: int wstop; /* stop after a file with a warning */
1.173 schwarze 77: enum outt outtype; /* which output to use */
1.79 kristaps 78: out_mdoc outmdoc; /* mdoc output ptr */
1.173 schwarze 79: out_man outman; /* man output ptr */
1.79 kristaps 80: out_free outfree; /* free output ptr */
81: void *outdata; /* data for output */
82: char outopts[BUFSIZ]; /* buf of output opts */
83: };
84:
1.170 schwarze 85: static int moptions(int *, char *);
1.155 kristaps 86: static void mmsg(enum mandocerr, enum mandoclevel,
87: const char *, int, int, const char *);
1.173 schwarze 88: static void parse(struct curparse *, int,
1.154 kristaps 89: const char *, enum mandoclevel *);
1.192 ! schwarze 90: static enum mandoclevel passthrough(const char *, int);
1.183 schwarze 91: static void spawn_pager(void);
1.66 kristaps 92: static int toptions(struct curparse *, char *);
1.180 schwarze 93: static void usage(enum argmode) __attribute__((noreturn));
1.55 kristaps 94: static void version(void) __attribute__((noreturn));
1.103 schwarze 95: static int woptions(struct curparse *, char *);
1.1 kristaps 96:
1.182 schwarze 97: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.54 kristaps 98: static const char *progname;
1.1 kristaps 99:
1.173 schwarze 100:
1.1 kristaps 101: int
102: main(int argc, char *argv[])
103: {
1.5 kristaps 104: struct curparse curp;
1.180 schwarze 105: struct mansearch search;
106: struct manpaths paths;
107: char *conf_file, *defpaths, *auxpaths;
108: char *defos;
109: #if HAVE_SQLITE3
1.186 schwarze 110: struct manpage *res, *resp;
1.182 schwarze 111: size_t isec, i, sz;
112: int prio, best_prio;
113: char sec;
1.180 schwarze 114: #endif
115: enum mandoclevel rc;
1.181 schwarze 116: enum outmode outmode;
1.192 ! schwarze 117: pid_t child_pid;
! 118: int fd;
1.180 schwarze 119: int show_usage;
1.183 schwarze 120: int use_pager;
1.170 schwarze 121: int options;
1.180 schwarze 122: int c;
1.1 kristaps 123:
1.54 kristaps 124: progname = strrchr(argv[0], '/');
125: if (progname == NULL)
126: progname = argv[0];
127: else
128: ++progname;
1.179 schwarze 129:
1.180 schwarze 130: /* Search options. */
131:
132: memset(&paths, 0, sizeof(struct manpaths));
133: conf_file = defpaths = auxpaths = NULL;
134:
135: memset(&search, 0, sizeof(struct mansearch));
136: search.outkey = "Nd";
137:
138: if (strcmp(progname, "man") == 0)
139: search.argmode = ARG_NAME;
140: else if (strncmp(progname, "apropos", 7) == 0)
141: search.argmode = ARG_EXPR;
142: else if (strncmp(progname, "whatis", 6) == 0)
143: search.argmode = ARG_WORD;
144: else
145: search.argmode = ARG_FILE;
146:
147: /* Parser and formatter options. */
1.54 kristaps 148:
1.51 kristaps 149: memset(&curp, 0, sizeof(struct curparse));
1.22 kristaps 150: curp.outtype = OUTT_ASCII;
1.103 schwarze 151: curp.wlevel = MANDOCLEVEL_FATAL;
1.180 schwarze 152: options = MPARSE_SO;
1.166 schwarze 153: defos = NULL;
1.19 kristaps 154:
1.183 schwarze 155: use_pager = 1;
1.180 schwarze 156: show_usage = 0;
1.181 schwarze 157: outmode = OUTMODE_DEF;
1.183 schwarze 158:
1.190 schwarze 159: while (-1 != (c = getopt(argc, argv, "aC:cfhI:iklM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 160: switch (c) {
1.181 schwarze 161: case 'a':
162: outmode = OUTMODE_ALL;
163: break;
1.180 schwarze 164: case 'C':
165: conf_file = optarg;
166: break;
1.183 schwarze 167: case 'c':
168: use_pager = 0;
169: break;
1.180 schwarze 170: case 'f':
171: search.argmode = ARG_WORD;
172: break;
1.190 schwarze 173: case 'h':
174: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
175: outmode = OUTMODE_ALL;
176: break;
1.173 schwarze 177: case 'I':
1.166 schwarze 178: if (strncmp(optarg, "os=", 3)) {
1.173 schwarze 179: fprintf(stderr,
1.176 schwarze 180: "%s: -I%s: Bad argument\n",
181: progname, optarg);
1.166 schwarze 182: return((int)MANDOCLEVEL_BADARG);
183: }
184: if (defos) {
1.173 schwarze 185: fprintf(stderr,
1.176 schwarze 186: "%s: -I%s: Duplicate argument\n",
187: progname, optarg);
1.166 schwarze 188: return((int)MANDOCLEVEL_BADARG);
189: }
190: defos = mandoc_strdup(optarg + 3);
191: break;
1.181 schwarze 192: case 'i':
193: outmode = OUTMODE_INT;
194: break;
1.180 schwarze 195: case 'k':
196: search.argmode = ARG_EXPR;
197: break;
1.188 schwarze 198: case 'l':
199: search.argmode = ARG_FILE;
200: outmode = OUTMODE_ALL;
201: break;
1.180 schwarze 202: case 'M':
203: defpaths = optarg;
204: break;
1.173 schwarze 205: case 'm':
1.180 schwarze 206: auxpaths = optarg;
1.10 kristaps 207: break;
1.173 schwarze 208: case 'O':
1.180 schwarze 209: search.outkey = optarg;
1.49 kristaps 210: (void)strlcat(curp.outopts, optarg, BUFSIZ);
211: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44 kristaps 212: break;
1.180 schwarze 213: case 'S':
214: search.arch = optarg;
215: break;
216: case 's':
217: search.sec = optarg;
218: break;
1.173 schwarze 219: case 'T':
1.60 kristaps 220: if ( ! toptions(&curp, optarg))
1.105 kristaps 221: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 222: break;
1.173 schwarze 223: case 'W':
1.103 schwarze 224: if ( ! woptions(&curp, optarg))
1.105 kristaps 225: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 226: break;
1.181 schwarze 227: case 'w':
228: outmode = OUTMODE_FLN;
229: break;
1.173 schwarze 230: case 'V':
1.1 kristaps 231: version();
232: /* NOTREACHED */
233: default:
1.180 schwarze 234: show_usage = 1;
235: break;
1.1 kristaps 236: }
1.180 schwarze 237: }
238:
239: if (show_usage)
240: usage(search.argmode);
241:
1.185 schwarze 242: /* Postprocess options. */
243:
1.181 schwarze 244: if (outmode == OUTMODE_DEF) {
245: switch (search.argmode) {
246: case ARG_FILE:
247: outmode = OUTMODE_ALL;
1.183 schwarze 248: use_pager = 0;
1.181 schwarze 249: break;
250: case ARG_NAME:
251: outmode = OUTMODE_ONE;
252: break;
253: default:
254: outmode = OUTMODE_LST;
255: break;
256: }
257: }
258:
1.185 schwarze 259: /* Parse arguments. */
260:
1.180 schwarze 261: argc -= optind;
262: argv += optind;
1.182 schwarze 263: #if HAVE_SQLITE3
1.186 schwarze 264: resp = NULL;
1.182 schwarze 265: #endif
1.185 schwarze 266:
267: /* Quirk for a man(1) section argument without -s. */
268:
269: if (search.argmode == ARG_NAME &&
270: argv[0] != NULL &&
271: isdigit((unsigned char)argv[0][0]) &&
272: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
273: search.sec = argv[0];
274: argv++;
275: argc--;
276: }
1.182 schwarze 277:
278: rc = MANDOCLEVEL_OK;
1.180 schwarze 279:
280: /* man(1), whatis(1), apropos(1) */
281:
282: if (search.argmode != ARG_FILE) {
283: #if HAVE_SQLITE3
284: if (argc == 0)
285: usage(search.argmode);
1.182 schwarze 286:
287: /* Access the mandoc database. */
288:
1.180 schwarze 289: manpath_parse(&paths, conf_file, defpaths, auxpaths);
290: mansearch_setup(1);
291: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
292: usage(search.argmode);
1.186 schwarze 293: resp = res;
1.187 schwarze 294:
295: if (sz == 0) {
296: if (search.argmode == ARG_NAME)
297: fprintf(stderr, "%s: No entry for %s "
298: "in the manual.\n", progname, argv[0]);
299: rc = MANDOCLEVEL_BADARG;
300: goto out;
301: }
1.182 schwarze 302:
303: /*
304: * For standard man(1) and -a output mode,
305: * prepare for copying filename pointers
306: * into the program parameter array.
307: */
308:
309: if (outmode == OUTMODE_ONE) {
310: argc = 1;
311: best_prio = 10;
1.186 schwarze 312: } else if (outmode == OUTMODE_ALL)
1.182 schwarze 313: argc = (int)sz;
314:
315: /* Iterate all matching manuals. */
316:
1.181 schwarze 317: for (i = 0; i < sz; i++) {
318: if (outmode == OUTMODE_FLN)
319: puts(res[i].file);
1.182 schwarze 320: else if (outmode == OUTMODE_LST)
1.181 schwarze 321: printf("%s - %s\n", res[i].names,
322: res[i].output == NULL ? "" :
323: res[i].output);
1.186 schwarze 324: else if (outmode == OUTMODE_ONE) {
1.182 schwarze 325: /* Search for the best section. */
326: isec = strcspn(res[i].file, "123456789");
327: sec = res[i].file[isec];
328: if ('\0' == sec)
329: continue;
330: prio = sec_prios[sec - '1'];
331: if (prio >= best_prio)
332: continue;
333: best_prio = prio;
1.186 schwarze 334: resp = res + i;
1.182 schwarze 335: }
1.181 schwarze 336: }
1.182 schwarze 337:
338: /*
339: * For man(1), -a and -i output mode, fall through
340: * to the main mandoc(1) code iterating files
341: * and running the parsers on each of them.
342: */
343:
344: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
345: goto out;
1.180 schwarze 346: #else
347: fputs("mandoc: database support not compiled in\n",
348: stderr);
349: return((int)MANDOCLEVEL_BADARG);
350: #endif
351: }
352:
353: /* mandoc(1) */
354:
355: if ( ! moptions(&options, auxpaths))
356: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 357:
1.183 schwarze 358: if (use_pager && isatty(STDOUT_FILENO))
359: spawn_pager();
360:
1.170 schwarze 361: curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
1.154 kristaps 362:
1.165 kristaps 363: /*
364: * Conditionally start up the lookaside buffer before parsing.
365: */
366: if (OUTT_MAN == curp.outtype)
367: mparse_keep(curp.mp);
368:
1.186 schwarze 369: if (argc == 0)
1.154 kristaps 370: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.64 kristaps 371:
1.186 schwarze 372: while (argc) {
373: #if HAVE_SQLITE3
374: if (resp != NULL) {
1.192 ! schwarze 375: rc = mparse_open(curp.mp, &fd, resp->file,
! 376: &child_pid);
! 377: if (fd == -1)
! 378: /* nothing */;
! 379: else if (resp->form & FORM_SRC) {
1.189 schwarze 380: /* For .so only; ignore failure. */
381: chdir(paths.paths[resp->ipath]);
1.192 ! schwarze 382: parse(&curp, fd, resp->file, &rc);
1.189 schwarze 383: } else
1.192 ! schwarze 384: rc = passthrough(resp->file, fd);
1.186 schwarze 385: resp++;
386: } else
387: #endif
1.192 ! schwarze 388: {
! 389: rc = mparse_open(curp.mp, &fd, *argv++,
! 390: &child_pid);
! 391: if (fd != -1)
! 392: parse(&curp, fd, argv[-1], &rc);
! 393: }
! 394:
! 395: if (child_pid &&
! 396: mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
! 397: rc = MANDOCLEVEL_SYSERR;
! 398:
1.154 kristaps 399: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.64 kristaps 400: break;
1.186 schwarze 401: argc--;
1.1 kristaps 402: }
403:
1.22 kristaps 404: if (curp.outfree)
405: (*curp.outfree)(curp.outdata);
1.154 kristaps 406: if (curp.mp)
407: mparse_free(curp.mp);
1.182 schwarze 408:
409: #if HAVE_SQLITE3
410: out:
411: if (search.argmode != ARG_FILE) {
1.189 schwarze 412: manpath_free(&paths);
1.182 schwarze 413: mansearch_free(res, sz);
414: mansearch_setup(0);
415: }
416: #endif
417:
1.166 schwarze 418: free(defos);
1.1 kristaps 419:
1.154 kristaps 420: return((int)rc);
1.1 kristaps 421: }
422:
1.55 kristaps 423: static void
1.1 kristaps 424: version(void)
425: {
426:
1.180 schwarze 427: printf("mandoc %s\n", VERSION);
1.105 kristaps 428: exit((int)MANDOCLEVEL_OK);
1.1 kristaps 429: }
430:
1.55 kristaps 431: static void
1.180 schwarze 432: usage(enum argmode argmode)
1.1 kristaps 433: {
434:
1.180 schwarze 435: switch (argmode) {
436: case ARG_FILE:
1.190 schwarze 437: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.188 schwarze 438: "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
1.180 schwarze 439: "\t [file ...]\n", stderr);
440: break;
441: case ARG_NAME:
1.188 schwarze 442: fputs("usage: man [-acfhklVw] [-C file] "
1.180 schwarze 443: "[-M path] [-m path] [-S arch] [-s section]\n"
444: "\t [section] name ...\n", stderr);
445: break;
446: case ARG_WORD:
1.190 schwarze 447: fputs("usage: whatis [-acfhklVw] [-C file] "
1.188 schwarze 448: "[-M path] [-m path] [-O outkey] [-S arch]\n"
449: "\t [-s section] name ...\n", stderr);
1.180 schwarze 450: break;
451: case ARG_EXPR:
1.190 schwarze 452: fputs("usage: apropos [-acfhklVw] [-C file] "
1.188 schwarze 453: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.180 schwarze 454: "\t [-s section] expression ...\n", stderr);
455: break;
456: }
1.105 kristaps 457: exit((int)MANDOCLEVEL_BADARG);
1.68 joerg 458: }
459:
1.64 kristaps 460: static void
1.173 schwarze 461: parse(struct curparse *curp, int fd, const char *file,
462: enum mandoclevel *level)
1.1 kristaps 463: {
1.154 kristaps 464: enum mandoclevel rc;
465: struct mdoc *mdoc;
466: struct man *man;
1.112 kristaps 467:
1.154 kristaps 468: /* Begin by parsing the file itself. */
1.112 kristaps 469:
1.154 kristaps 470: assert(file);
471: assert(fd >= -1);
1.112 kristaps 472:
1.154 kristaps 473: rc = mparse_readfd(curp->mp, fd, file);
1.112 kristaps 474:
1.154 kristaps 475: /* Stop immediately if the parse has failed. */
1.92 kristaps 476:
1.154 kristaps 477: if (MANDOCLEVEL_FATAL <= rc)
1.111 kristaps 478: goto cleanup;
479:
1.1 kristaps 480: /*
1.154 kristaps 481: * With -Wstop and warnings or errors of at least the requested
482: * level, do not produce output.
1.1 kristaps 483: */
484:
1.154 kristaps 485: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.111 kristaps 486: goto cleanup;
487:
488: /* If unset, allocate output dev now (if applicable). */
489:
490: if ( ! (curp->outman && curp->outmdoc)) {
491: switch (curp->outtype) {
1.173 schwarze 492: case OUTT_XHTML:
1.111 kristaps 493: curp->outdata = xhtml_alloc(curp->outopts);
1.162 kristaps 494: curp->outfree = html_free;
1.111 kristaps 495: break;
1.173 schwarze 496: case OUTT_HTML:
1.111 kristaps 497: curp->outdata = html_alloc(curp->outopts);
1.162 kristaps 498: curp->outfree = html_free;
499: break;
1.173 schwarze 500: case OUTT_UTF8:
1.163 kristaps 501: curp->outdata = utf8_alloc(curp->outopts);
502: curp->outfree = ascii_free;
503: break;
1.173 schwarze 504: case OUTT_LOCALE:
1.162 kristaps 505: curp->outdata = locale_alloc(curp->outopts);
506: curp->outfree = ascii_free;
1.111 kristaps 507: break;
1.173 schwarze 508: case OUTT_ASCII:
1.111 kristaps 509: curp->outdata = ascii_alloc(curp->outopts);
510: curp->outfree = ascii_free;
511: break;
1.173 schwarze 512: case OUTT_PDF:
1.111 kristaps 513: curp->outdata = pdf_alloc(curp->outopts);
514: curp->outfree = pspdf_free;
515: break;
1.173 schwarze 516: case OUTT_PS:
1.111 kristaps 517: curp->outdata = ps_alloc(curp->outopts);
518: curp->outfree = pspdf_free;
519: break;
520: default:
521: break;
522: }
523:
524: switch (curp->outtype) {
1.173 schwarze 525: case OUTT_HTML:
1.111 kristaps 526: /* FALLTHROUGH */
1.173 schwarze 527: case OUTT_XHTML:
1.111 kristaps 528: curp->outman = html_man;
529: curp->outmdoc = html_mdoc;
530: break;
1.173 schwarze 531: case OUTT_TREE:
1.111 kristaps 532: curp->outman = tree_man;
533: curp->outmdoc = tree_mdoc;
534: break;
1.173 schwarze 535: case OUTT_MAN:
1.164 schwarze 536: curp->outmdoc = man_mdoc;
1.165 kristaps 537: curp->outman = man_man;
1.164 schwarze 538: break;
1.173 schwarze 539: case OUTT_PDF:
1.111 kristaps 540: /* FALLTHROUGH */
1.173 schwarze 541: case OUTT_ASCII:
1.111 kristaps 542: /* FALLTHROUGH */
1.173 schwarze 543: case OUTT_UTF8:
1.163 kristaps 544: /* FALLTHROUGH */
1.173 schwarze 545: case OUTT_LOCALE:
1.162 kristaps 546: /* FALLTHROUGH */
1.173 schwarze 547: case OUTT_PS:
1.111 kristaps 548: curp->outman = terminal_man;
549: curp->outmdoc = terminal_mdoc;
550: break;
551: default:
552: break;
553: }
554: }
555:
1.171 schwarze 556: mparse_result(curp->mp, &mdoc, &man, NULL);
1.154 kristaps 557:
1.111 kristaps 558: /* Execute the out device, if it exists. */
559:
1.154 kristaps 560: if (man && curp->outman)
561: (*curp->outman)(curp->outdata, man);
562: if (mdoc && curp->outmdoc)
563: (*curp->outmdoc)(curp->outdata, mdoc);
1.111 kristaps 564:
565: cleanup:
1.112 kristaps 566:
1.154 kristaps 567: mparse_reset(curp->mp);
1.111 kristaps 568:
1.154 kristaps 569: if (*level < rc)
570: *level = rc;
1.186 schwarze 571: }
572:
573: static enum mandoclevel
1.192 ! schwarze 574: passthrough(const char *file, int fd)
1.186 schwarze 575: {
576: char buf[BUFSIZ];
577: const char *syscall;
578: ssize_t nr, nw, off;
579:
580: while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
581: for (off = 0; off < nr; off += nw)
582: if ((nw = write(STDOUT_FILENO, buf + off,
583: (size_t)(nr - off))) == -1 || nw == 0) {
584: syscall = "write";
585: goto fail;
586: }
587:
588: if (nr == 0) {
589: close(fd);
590: return(MANDOCLEVEL_OK);
591: }
592:
593: syscall = "read";
594: fail:
595: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
596: progname, file, syscall, strerror(errno));
597: return(MANDOCLEVEL_SYSERR);
1.10 kristaps 598: }
599:
600: static int
1.170 schwarze 601: moptions(int *options, char *arg)
1.10 kristaps 602: {
603:
1.180 schwarze 604: if (arg == NULL)
605: /* nothing to do */;
606: else if (0 == strcmp(arg, "doc"))
1.170 schwarze 607: *options |= MPARSE_MDOC;
1.19 kristaps 608: else if (0 == strcmp(arg, "andoc"))
1.170 schwarze 609: /* nothing to do */;
1.17 kristaps 610: else if (0 == strcmp(arg, "an"))
1.170 schwarze 611: *options |= MPARSE_MAN;
1.10 kristaps 612: else {
1.176 schwarze 613: fprintf(stderr, "%s: -m%s: Bad argument\n",
614: progname, arg);
1.10 kristaps 615: return(0);
616: }
617:
618: return(1);
1.1 kristaps 619: }
620:
621: static int
1.60 kristaps 622: toptions(struct curparse *curp, char *arg)
1.1 kristaps 623: {
624:
625: if (0 == strcmp(arg, "ascii"))
1.60 kristaps 626: curp->outtype = OUTT_ASCII;
627: else if (0 == strcmp(arg, "lint")) {
628: curp->outtype = OUTT_LINT;
1.103 schwarze 629: curp->wlevel = MANDOCLEVEL_WARNING;
1.154 kristaps 630: } else if (0 == strcmp(arg, "tree"))
1.60 kristaps 631: curp->outtype = OUTT_TREE;
1.164 schwarze 632: else if (0 == strcmp(arg, "man"))
633: curp->outtype = OUTT_MAN;
1.43 kristaps 634: else if (0 == strcmp(arg, "html"))
1.60 kristaps 635: curp->outtype = OUTT_HTML;
1.163 kristaps 636: else if (0 == strcmp(arg, "utf8"))
637: curp->outtype = OUTT_UTF8;
1.162 kristaps 638: else if (0 == strcmp(arg, "locale"))
639: curp->outtype = OUTT_LOCALE;
1.59 kristaps 640: else if (0 == strcmp(arg, "xhtml"))
1.60 kristaps 641: curp->outtype = OUTT_XHTML;
1.85 kristaps 642: else if (0 == strcmp(arg, "ps"))
643: curp->outtype = OUTT_PS;
1.100 kristaps 644: else if (0 == strcmp(arg, "pdf"))
645: curp->outtype = OUTT_PDF;
1.1 kristaps 646: else {
1.176 schwarze 647: fprintf(stderr, "%s: -T%s: Bad argument\n",
648: progname, arg);
1.1 kristaps 649: return(0);
650: }
651:
652: return(1);
653: }
654:
655: static int
1.103 schwarze 656: woptions(struct curparse *curp, char *arg)
1.1 kristaps 657: {
1.34 kristaps 658: char *v, *o;
1.173 schwarze 659: const char *toks[6];
1.1 kristaps 660:
1.103 schwarze 661: toks[0] = "stop";
662: toks[1] = "all";
663: toks[2] = "warning";
664: toks[3] = "error";
665: toks[4] = "fatal";
666: toks[5] = NULL;
1.1 kristaps 667:
1.34 kristaps 668: while (*arg) {
669: o = arg;
1.45 kristaps 670: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.173 schwarze 671: case 0:
1.103 schwarze 672: curp->wstop = 1;
1.1 kristaps 673: break;
1.173 schwarze 674: case 1:
1.103 schwarze 675: /* FALLTHROUGH */
1.173 schwarze 676: case 2:
1.103 schwarze 677: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 678: break;
1.173 schwarze 679: case 3:
1.103 schwarze 680: curp->wlevel = MANDOCLEVEL_ERROR;
1.24 kristaps 681: break;
1.173 schwarze 682: case 4:
1.103 schwarze 683: curp->wlevel = MANDOCLEVEL_FATAL;
1.50 kristaps 684: break;
1.1 kristaps 685: default:
1.176 schwarze 686: fprintf(stderr, "%s: -W%s: Bad argument\n",
687: progname, o);
1.1 kristaps 688: return(0);
689: }
1.34 kristaps 690: }
1.1 kristaps 691:
692: return(1);
693: }
694:
1.153 kristaps 695: static void
1.173 schwarze 696: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.155 kristaps 697: const char *file, int line, int col, const char *msg)
1.71 kristaps 698: {
1.177 schwarze 699: const char *mparse_msg;
1.103 schwarze 700:
1.175 schwarze 701: fprintf(stderr, "%s: %s:", progname, file);
702:
703: if (line)
704: fprintf(stderr, "%d:%d:", line, col + 1);
705:
1.177 schwarze 706: fprintf(stderr, " %s", mparse_strlevel(lvl));
707:
708: if (NULL != (mparse_msg = mparse_strerror(t)))
709: fprintf(stderr, ": %s", mparse_msg);
1.154 kristaps 710:
1.73 kristaps 711: if (msg)
712: fprintf(stderr, ": %s", msg);
1.154 kristaps 713:
1.73 kristaps 714: fputc('\n', stderr);
1.183 schwarze 715: }
716:
717: static void
718: spawn_pager(void)
719: {
1.184 schwarze 720: #define MAX_PAGER_ARGS 16
721: char *argv[MAX_PAGER_ARGS];
722: const char *pager;
723: char *cp;
724: int fildes[2];
725: int argc;
1.183 schwarze 726:
727: if (pipe(fildes) == -1) {
728: fprintf(stderr, "%s: pipe: %s\n",
729: progname, strerror(errno));
730: return;
731: }
732:
733: switch (fork()) {
734: case -1:
735: fprintf(stderr, "%s: fork: %s\n",
736: progname, strerror(errno));
737: exit((int)MANDOCLEVEL_SYSERR);
738: case 0:
739: close(fildes[0]);
740: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
741: fprintf(stderr, "%s: dup output: %s\n",
742: progname, strerror(errno));
743: exit((int)MANDOCLEVEL_SYSERR);
744: }
745: return;
746: default:
1.184 schwarze 747: break;
748: }
749:
750: /* The original process becomes the pager. */
751:
752: close(fildes[1]);
753: if (dup2(fildes[0], STDIN_FILENO) == -1) {
754: fprintf(stderr, "%s: dup input: %s\n",
755: progname, strerror(errno));
1.183 schwarze 756: exit((int)MANDOCLEVEL_SYSERR);
757: }
1.184 schwarze 758:
759: pager = getenv("MANPAGER");
760: if (pager == NULL || *pager == '\0')
761: pager = getenv("PAGER");
762: if (pager == NULL || *pager == '\0')
763: pager = "/usr/bin/more -s";
764: cp = mandoc_strdup(pager);
765:
766: /*
767: * Parse the pager command into words.
768: * Intentionally do not do anything fancy here.
769: */
770:
771: argc = 0;
772: while (argc + 1 < MAX_PAGER_ARGS) {
773: argv[argc++] = cp;
774: cp = strchr(cp, ' ');
775: if (cp == NULL)
776: break;
777: *cp++ = '\0';
778: while (*cp == ' ')
779: cp++;
780: if (*cp == '\0')
781: break;
782: }
783: argv[argc] = NULL;
784:
785: /* Hand over to the pager. */
786:
787: execvp(argv[0], argv);
788: fprintf(stderr, "%s: exec: %s\n",
789: progname, strerror(errno));
790: exit((int)MANDOCLEVEL_SYSERR);
1.71 kristaps 791: }
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