Annotation of src/usr.bin/mandoc/main.c, Revision 1.108
1.108 ! schwarze 1: /* $OpenBSD: main.c,v 1.107 2014/11/11 19:03:10 schwarze Exp $ */
1.1 kristaps 2: /*
1.95 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.87 schwarze 4: * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.86 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
1.2 schwarze 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: *
1.2 schwarze 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: */
19:
1.95 schwarze 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.95 schwarze 23: #include <ctype.h>
24: #include <errno.h>
25: #include <fcntl.h>
1.1 kristaps 26: #include <stdio.h>
1.17 schwarze 27: #include <stdint.h>
1.1 kristaps 28: #include <stdlib.h>
29: #include <string.h>
30: #include <unistd.h>
31:
1.30 schwarze 32: #include "mandoc.h"
1.89 schwarze 33: #include "mandoc_aux.h"
1.38 schwarze 34: #include "main.h"
1.1 kristaps 35: #include "mdoc.h"
36: #include "man.h"
1.95 schwarze 37: #include "manpath.h"
38: #include "mansearch.h"
39:
40: enum outmode {
41: OUTMODE_DEF = 0,
42: OUTMODE_FLN,
43: OUTMODE_LST,
44: OUTMODE_ALL,
45: OUTMODE_INT,
46: OUTMODE_ONE
47: };
1.1 kristaps 48:
1.16 schwarze 49: typedef void (*out_mdoc)(void *, const struct mdoc *);
50: typedef void (*out_man)(void *, const struct man *);
1.1 kristaps 51: typedef void (*out_free)(void *);
52:
53: enum outt {
1.76 schwarze 54: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 55: OUTT_LOCALE, /* -Tlocale */
56: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 57: OUTT_TREE, /* -Ttree */
1.78 schwarze 58: OUTT_MAN, /* -Tman */
1.76 schwarze 59: OUTT_HTML, /* -Thtml */
60: OUTT_LINT, /* -Tlint */
61: OUTT_PS, /* -Tps */
62: OUTT_PDF /* -Tpdf */
1.1 kristaps 63: };
64:
65: struct curparse {
1.76 schwarze 66: struct mparse *mp;
1.102 schwarze 67: struct mchars *mchars; /* character table */
1.75 schwarze 68: enum mandoclevel wlevel; /* ignore messages below this */
69: int wstop; /* stop after a file with a warning */
1.90 schwarze 70: enum outt outtype; /* which output to use */
1.33 schwarze 71: out_mdoc outmdoc; /* mdoc output ptr */
1.90 schwarze 72: out_man outman; /* man output ptr */
1.33 schwarze 73: out_free outfree; /* free output ptr */
74: void *outdata; /* data for output */
75: char outopts[BUFSIZ]; /* buf of output opts */
76: };
77:
1.103 schwarze 78: static int koptions(int *, char *);
1.79 schwarze 79: int mandocdb(int, char**);
1.87 schwarze 80: static int moptions(int *, char *);
1.76 schwarze 81: static void mmsg(enum mandocerr, enum mandoclevel,
82: const char *, int, int, const char *);
1.90 schwarze 83: static void parse(struct curparse *, int,
1.76 schwarze 84: const char *, enum mandoclevel *);
1.105 schwarze 85: static enum mandoclevel passthrough(const char *, int, int);
1.95 schwarze 86: static void spawn_pager(void);
1.27 schwarze 87: static int toptions(struct curparse *, char *);
1.95 schwarze 88: static void usage(enum argmode) __attribute__((noreturn));
1.20 schwarze 89: static void version(void) __attribute__((noreturn));
1.45 schwarze 90: static int woptions(struct curparse *, char *);
1.1 kristaps 91:
1.95 schwarze 92: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.19 schwarze 93: static const char *progname;
1.1 kristaps 94:
1.90 schwarze 95:
1.1 kristaps 96: int
97: main(int argc, char *argv[])
98: {
99: struct curparse curp;
1.95 schwarze 100: struct mansearch search;
101: struct manpaths paths;
102: char *conf_file, *defpaths, *auxpaths;
103: char *defos;
104: struct manpage *res, *resp;
105: size_t isec, i, sz;
106: int prio, best_prio;
107: char sec;
108: enum mandoclevel rc;
109: enum outmode outmode;
1.100 schwarze 110: int fd;
1.95 schwarze 111: int show_usage;
112: int use_pager;
1.105 schwarze 113: int synopsis_only;
1.87 schwarze 114: int options;
1.95 schwarze 115: int c;
1.1 kristaps 116:
1.19 schwarze 117: progname = strrchr(argv[0], '/');
118: if (progname == NULL)
119: progname = argv[0];
120: else
121: ++progname;
1.79 schwarze 122:
1.82 schwarze 123: if (0 == strncmp(progname, "mandocdb", 8) ||
124: 0 == strncmp(progname, "makewhatis", 10))
1.79 schwarze 125: return(mandocdb(argc, argv));
1.19 schwarze 126:
1.95 schwarze 127: /* Search options. */
128:
129: memset(&paths, 0, sizeof(struct manpaths));
130: conf_file = defpaths = auxpaths = NULL;
131:
132: memset(&search, 0, sizeof(struct mansearch));
133: search.outkey = "Nd";
134:
135: if (strcmp(progname, "man") == 0)
136: search.argmode = ARG_NAME;
137: else if (strncmp(progname, "apropos", 7) == 0)
138: search.argmode = ARG_EXPR;
139: else if (strncmp(progname, "whatis", 6) == 0)
140: search.argmode = ARG_WORD;
141: else
142: search.argmode = ARG_FILE;
143:
144: /* Parser and formatter options. */
145:
1.19 schwarze 146: memset(&curp, 0, sizeof(struct curparse));
1.1 kristaps 147: curp.outtype = OUTT_ASCII;
1.45 schwarze 148: curp.wlevel = MANDOCLEVEL_FATAL;
1.103 schwarze 149: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.83 schwarze 150: defos = NULL;
1.1 kristaps 151:
1.95 schwarze 152: use_pager = 1;
153: show_usage = 0;
1.105 schwarze 154: synopsis_only = 0;
1.95 schwarze 155: outmode = OUTMODE_DEF;
156:
1.103 schwarze 157: while (-1 != (c = getopt(argc, argv,
158: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
1.1 kristaps 159: switch (c) {
1.95 schwarze 160: case 'a':
161: outmode = OUTMODE_ALL;
162: break;
163: case 'C':
164: conf_file = optarg;
165: break;
166: case 'c':
167: use_pager = 0;
168: break;
169: case 'f':
170: search.argmode = ARG_WORD;
171: break;
1.98 schwarze 172: case 'h':
173: (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
1.105 schwarze 174: synopsis_only = 1;
1.106 schwarze 175: use_pager = 0;
1.98 schwarze 176: outmode = OUTMODE_ALL;
177: break;
1.90 schwarze 178: case 'I':
1.83 schwarze 179: if (strncmp(optarg, "os=", 3)) {
1.90 schwarze 180: fprintf(stderr,
1.93 schwarze 181: "%s: -I%s: Bad argument\n",
182: progname, optarg);
1.83 schwarze 183: return((int)MANDOCLEVEL_BADARG);
184: }
185: if (defos) {
1.90 schwarze 186: fprintf(stderr,
1.93 schwarze 187: "%s: -I%s: Duplicate argument\n",
188: progname, optarg);
1.83 schwarze 189: return((int)MANDOCLEVEL_BADARG);
190: }
191: defos = mandoc_strdup(optarg + 3);
192: break;
1.95 schwarze 193: case 'i':
194: outmode = OUTMODE_INT;
195: break;
1.103 schwarze 196: case 'K':
197: if ( ! koptions(&options, optarg))
198: return((int)MANDOCLEVEL_BADARG);
199: break;
1.95 schwarze 200: case 'k':
201: search.argmode = ARG_EXPR;
202: break;
1.96 schwarze 203: case 'l':
204: search.argmode = ARG_FILE;
205: outmode = OUTMODE_ALL;
206: break;
1.95 schwarze 207: case 'M':
208: defpaths = optarg;
209: break;
1.90 schwarze 210: case 'm':
1.95 schwarze 211: auxpaths = optarg;
1.1 kristaps 212: break;
1.90 schwarze 213: case 'O':
1.95 schwarze 214: search.outkey = optarg;
1.18 schwarze 215: (void)strlcat(curp.outopts, optarg, BUFSIZ);
216: (void)strlcat(curp.outopts, ",", BUFSIZ);
1.17 schwarze 217: break;
1.95 schwarze 218: case 'S':
219: search.arch = optarg;
220: break;
221: case 's':
222: search.sec = optarg;
223: break;
1.90 schwarze 224: case 'T':
1.22 schwarze 225: if ( ! toptions(&curp, optarg))
1.47 schwarze 226: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 227: break;
1.90 schwarze 228: case 'W':
1.45 schwarze 229: if ( ! woptions(&curp, optarg))
1.47 schwarze 230: return((int)MANDOCLEVEL_BADARG);
1.1 kristaps 231: break;
1.95 schwarze 232: case 'w':
233: outmode = OUTMODE_FLN;
234: break;
1.90 schwarze 235: case 'V':
1.3 schwarze 236: version();
237: /* NOTREACHED */
1.1 kristaps 238: default:
1.95 schwarze 239: show_usage = 1;
240: break;
241: }
242: }
243:
244: if (show_usage)
245: usage(search.argmode);
246:
247: /* Postprocess options. */
248:
249: if (outmode == OUTMODE_DEF) {
250: switch (search.argmode) {
251: case ARG_FILE:
252: outmode = OUTMODE_ALL;
253: use_pager = 0;
254: break;
255: case ARG_NAME:
256: outmode = OUTMODE_ONE;
257: break;
258: default:
259: outmode = OUTMODE_LST;
260: break;
261: }
262: }
263:
264: /* Parse arguments. */
265:
266: argc -= optind;
267: argv += optind;
268: resp = NULL;
269:
270: /* Quirk for a man(1) section argument without -s. */
271:
272: if (search.argmode == ARG_NAME &&
273: argv[0] != NULL &&
274: isdigit((unsigned char)argv[0][0]) &&
275: (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
276: search.sec = argv[0];
277: argv++;
278: argc--;
279: }
280:
281: rc = MANDOCLEVEL_OK;
282:
283: /* man(1), whatis(1), apropos(1) */
284:
285: if (search.argmode != ARG_FILE) {
286: if (argc == 0)
287: usage(search.argmode);
1.107 schwarze 288:
289: if (search.argmode == ARG_NAME &&
290: outmode == OUTMODE_ONE)
291: search.firstmatch = 1;
1.95 schwarze 292:
293: /* Access the mandoc database. */
294:
295: manpath_parse(&paths, conf_file, defpaths, auxpaths);
296: mansearch_setup(1);
297: if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
298: usage(search.argmode);
299: resp = res;
300:
301: if (sz == 0) {
302: if (search.argmode == ARG_NAME)
303: fprintf(stderr, "%s: No entry for %s "
304: "in the manual.\n", progname, argv[0]);
305: rc = MANDOCLEVEL_BADARG;
306: goto out;
307: }
308:
309: /*
310: * For standard man(1) and -a output mode,
311: * prepare for copying filename pointers
312: * into the program parameter array.
313: */
314:
315: if (outmode == OUTMODE_ONE) {
316: argc = 1;
317: best_prio = 10;
318: } else if (outmode == OUTMODE_ALL)
319: argc = (int)sz;
320:
321: /* Iterate all matching manuals. */
322:
323: for (i = 0; i < sz; i++) {
324: if (outmode == OUTMODE_FLN)
325: puts(res[i].file);
326: else if (outmode == OUTMODE_LST)
327: printf("%s - %s\n", res[i].names,
328: res[i].output == NULL ? "" :
329: res[i].output);
330: else if (outmode == OUTMODE_ONE) {
331: /* Search for the best section. */
332: isec = strcspn(res[i].file, "123456789");
333: sec = res[i].file[isec];
334: if ('\0' == sec)
335: continue;
336: prio = sec_prios[sec - '1'];
337: if (prio >= best_prio)
338: continue;
339: best_prio = prio;
340: resp = res + i;
341: }
1.1 kristaps 342: }
343:
1.95 schwarze 344: /*
345: * For man(1), -a and -i output mode, fall through
346: * to the main mandoc(1) code iterating files
347: * and running the parsers on each of them.
348: */
349:
350: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
351: goto out;
352: }
353:
354: /* mandoc(1) */
355:
356: if ( ! moptions(&options, auxpaths))
357: return((int)MANDOCLEVEL_BADARG);
358:
359: if (use_pager && isatty(STDOUT_FILENO))
360: spawn_pager();
361:
1.102 schwarze 362: curp.mchars = mchars_alloc();
363: curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
364: curp.mchars, defos);
1.76 schwarze 365:
1.80 schwarze 366: /*
367: * Conditionally start up the lookaside buffer before parsing.
368: */
369: if (OUTT_MAN == curp.outtype)
370: mparse_keep(curp.mp);
371:
1.95 schwarze 372: if (argc == 0)
1.76 schwarze 373: parse(&curp, STDIN_FILENO, "<stdin>", &rc);
1.27 schwarze 374:
1.95 schwarze 375: while (argc) {
376: if (resp != NULL) {
1.108 ! schwarze 377: rc = mparse_open(curp.mp, &fd, resp->file);
1.100 schwarze 378: if (fd == -1)
379: /* nothing */;
380: else if (resp->form & FORM_SRC) {
1.97 schwarze 381: /* For .so only; ignore failure. */
382: chdir(paths.paths[resp->ipath]);
1.100 schwarze 383: parse(&curp, fd, resp->file, &rc);
1.97 schwarze 384: } else
1.105 schwarze 385: rc = passthrough(resp->file, fd,
386: synopsis_only);
1.95 schwarze 387: resp++;
1.100 schwarze 388: } else {
1.108 ! schwarze 389: rc = mparse_open(curp.mp, &fd, *argv++);
1.100 schwarze 390: if (fd != -1)
391: parse(&curp, fd, argv[-1], &rc);
392: }
393:
1.108 ! schwarze 394: if (mparse_wait(curp.mp) != MANDOCLEVEL_OK)
1.100 schwarze 395: rc = MANDOCLEVEL_SYSERR;
396:
1.76 schwarze 397: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 398: break;
1.95 schwarze 399: argc--;
1.1 kristaps 400: }
401:
402: if (curp.outfree)
403: (*curp.outfree)(curp.outdata);
1.102 schwarze 404: mparse_free(curp.mp);
405: mchars_free(curp.mchars);
1.95 schwarze 406:
407: out:
408: if (search.argmode != ARG_FILE) {
1.97 schwarze 409: manpath_free(&paths);
1.95 schwarze 410: mansearch_free(res, sz);
411: mansearch_setup(0);
412: }
413:
1.83 schwarze 414: free(defos);
1.1 kristaps 415:
1.76 schwarze 416: return((int)rc);
1.1 kristaps 417: }
418:
1.20 schwarze 419: static void
1.3 schwarze 420: version(void)
421: {
422:
1.95 schwarze 423: printf("mandoc %s\n", VERSION);
1.47 schwarze 424: exit((int)MANDOCLEVEL_OK);
1.3 schwarze 425: }
426:
1.20 schwarze 427: static void
1.95 schwarze 428: usage(enum argmode argmode)
1.1 kristaps 429: {
430:
1.95 schwarze 431: switch (argmode) {
432: case ARG_FILE:
1.98 schwarze 433: fputs("usage: mandoc [-acfhklV] [-Ios=name] "
1.104 jmc 434: "[-Kencoding] [-mformat] [-Ooption]\n"
435: "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
1.95 schwarze 436: break;
437: case ARG_NAME:
1.96 schwarze 438: fputs("usage: man [-acfhklVw] [-C file] "
1.95 schwarze 439: "[-M path] [-m path] [-S arch] [-s section]\n"
440: "\t [section] name ...\n", stderr);
441: break;
442: case ARG_WORD:
1.98 schwarze 443: fputs("usage: whatis [-acfhklVw] [-C file] "
1.96 schwarze 444: "[-M path] [-m path] [-O outkey] [-S arch]\n"
445: "\t [-s section] name ...\n", stderr);
1.95 schwarze 446: break;
447: case ARG_EXPR:
1.98 schwarze 448: fputs("usage: apropos [-acfhklVw] [-C file] "
1.96 schwarze 449: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 450: "\t [-s section] expression ...\n", stderr);
451: break;
452: }
1.47 schwarze 453: exit((int)MANDOCLEVEL_BADARG);
1.1 kristaps 454: }
455:
1.27 schwarze 456: static void
1.90 schwarze 457: parse(struct curparse *curp, int fd, const char *file,
458: enum mandoclevel *level)
1.52 schwarze 459: {
1.76 schwarze 460: enum mandoclevel rc;
461: struct mdoc *mdoc;
462: struct man *man;
1.52 schwarze 463:
1.76 schwarze 464: /* Begin by parsing the file itself. */
1.52 schwarze 465:
1.76 schwarze 466: assert(file);
467: assert(fd >= -1);
1.52 schwarze 468:
1.76 schwarze 469: rc = mparse_readfd(curp->mp, fd, file);
1.1 kristaps 470:
1.76 schwarze 471: /* Stop immediately if the parse has failed. */
1.1 kristaps 472:
1.76 schwarze 473: if (MANDOCLEVEL_FATAL <= rc)
1.51 schwarze 474: goto cleanup;
475:
476: /*
1.76 schwarze 477: * With -Wstop and warnings or errors of at least the requested
478: * level, do not produce output.
1.51 schwarze 479: */
480:
1.76 schwarze 481: if (MANDOCLEVEL_OK != rc && curp->wstop)
1.51 schwarze 482: goto cleanup;
483:
484: /* If unset, allocate output dev now (if applicable). */
485:
486: if ( ! (curp->outman && curp->outmdoc)) {
487: switch (curp->outtype) {
1.90 schwarze 488: case OUTT_HTML:
1.102 schwarze 489: curp->outdata = html_alloc(curp->mchars,
490: curp->outopts);
1.77 schwarze 491: curp->outfree = html_free;
492: break;
1.90 schwarze 493: case OUTT_UTF8:
1.102 schwarze 494: curp->outdata = utf8_alloc(curp->mchars,
495: curp->outopts);
1.77 schwarze 496: curp->outfree = ascii_free;
497: break;
1.90 schwarze 498: case OUTT_LOCALE:
1.102 schwarze 499: curp->outdata = locale_alloc(curp->mchars,
500: curp->outopts);
1.77 schwarze 501: curp->outfree = ascii_free;
1.51 schwarze 502: break;
1.90 schwarze 503: case OUTT_ASCII:
1.102 schwarze 504: curp->outdata = ascii_alloc(curp->mchars,
505: curp->outopts);
1.51 schwarze 506: curp->outfree = ascii_free;
507: break;
1.90 schwarze 508: case OUTT_PDF:
1.102 schwarze 509: curp->outdata = pdf_alloc(curp->mchars,
510: curp->outopts);
1.51 schwarze 511: curp->outfree = pspdf_free;
512: break;
1.90 schwarze 513: case OUTT_PS:
1.102 schwarze 514: curp->outdata = ps_alloc(curp->mchars,
515: curp->outopts);
1.51 schwarze 516: curp->outfree = pspdf_free;
517: break;
518: default:
519: break;
520: }
521:
522: switch (curp->outtype) {
1.90 schwarze 523: case OUTT_HTML:
1.51 schwarze 524: curp->outman = html_man;
525: curp->outmdoc = html_mdoc;
526: break;
1.90 schwarze 527: case OUTT_TREE:
1.51 schwarze 528: curp->outman = tree_man;
529: curp->outmdoc = tree_mdoc;
530: break;
1.90 schwarze 531: case OUTT_MAN:
1.78 schwarze 532: curp->outmdoc = man_mdoc;
1.80 schwarze 533: curp->outman = man_man;
1.78 schwarze 534: break;
1.90 schwarze 535: case OUTT_PDF:
1.51 schwarze 536: /* FALLTHROUGH */
1.90 schwarze 537: case OUTT_ASCII:
1.51 schwarze 538: /* FALLTHROUGH */
1.90 schwarze 539: case OUTT_UTF8:
1.77 schwarze 540: /* FALLTHROUGH */
1.90 schwarze 541: case OUTT_LOCALE:
1.77 schwarze 542: /* FALLTHROUGH */
1.90 schwarze 543: case OUTT_PS:
1.51 schwarze 544: curp->outman = terminal_man;
545: curp->outmdoc = terminal_mdoc;
546: break;
547: default:
548: break;
549: }
550: }
551:
1.88 schwarze 552: mparse_result(curp->mp, &mdoc, &man, NULL);
1.76 schwarze 553:
1.51 schwarze 554: /* Execute the out device, if it exists. */
555:
1.76 schwarze 556: if (man && curp->outman)
557: (*curp->outman)(curp->outdata, man);
558: if (mdoc && curp->outmdoc)
559: (*curp->outmdoc)(curp->outdata, mdoc);
1.51 schwarze 560:
561: cleanup:
1.59 schwarze 562:
1.76 schwarze 563: mparse_reset(curp->mp);
1.59 schwarze 564:
1.76 schwarze 565: if (*level < rc)
566: *level = rc;
1.1 kristaps 567: }
568:
1.95 schwarze 569: static enum mandoclevel
1.105 schwarze 570: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 571: {
1.105 schwarze 572: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
573: const char synr[] = "SYNOPSIS";
574:
575: FILE *stream;
1.95 schwarze 576: const char *syscall;
1.105 schwarze 577: char *line;
578: size_t len, off;
579: ssize_t nw;
580: int print;
581:
582: if ((stream = fdopen(fd, "r")) == NULL) {
583: close(fd);
584: syscall = "fdopen";
585: goto fail;
586: }
1.95 schwarze 587:
1.105 schwarze 588: print = 0;
589: while ((line = fgetln(stream, &len)) != NULL) {
590: if (synopsis_only) {
591: if (print) {
592: if ( ! isspace((unsigned char)*line))
593: goto done;
594: while (len &&
595: isspace((unsigned char)*line)) {
596: line++;
597: len--;
598: }
599: } else {
600: if ((len == sizeof(synb) &&
601: ! strncmp(line, synb, len - 1)) ||
602: (len == sizeof(synr) &&
603: ! strncmp(line, synr, len - 1)))
604: print = 1;
605: continue;
606: }
607: }
608: for (off = 0; off < len; off += nw)
609: if ((nw = write(STDOUT_FILENO, line + off,
610: len - off)) == -1 || nw == 0) {
611: fclose(stream);
1.95 schwarze 612: syscall = "write";
613: goto fail;
614: }
1.105 schwarze 615: }
1.95 schwarze 616:
1.105 schwarze 617: if (ferror(stream)) {
618: fclose(stream);
619: syscall = "fgetln";
620: goto fail;
621: }
1.101 schwarze 622:
1.105 schwarze 623: done:
624: fclose(stream);
625: return(MANDOCLEVEL_OK);
1.95 schwarze 626:
627: fail:
628: fprintf(stderr, "%s: %s: SYSERR: %s: %s",
629: progname, file, syscall, strerror(errno));
630: return(MANDOCLEVEL_SYSERR);
1.103 schwarze 631: }
632:
633: static int
634: koptions(int *options, char *arg)
635: {
636:
637: if ( ! strcmp(arg, "utf-8")) {
638: *options |= MPARSE_UTF8;
639: *options &= ~MPARSE_LATIN1;
640: } else if ( ! strcmp(arg, "iso-8859-1")) {
641: *options |= MPARSE_LATIN1;
642: *options &= ~MPARSE_UTF8;
643: } else if ( ! strcmp(arg, "us-ascii")) {
644: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
645: } else {
646: fprintf(stderr, "%s: -K%s: Bad argument\n",
647: progname, arg);
648: return(0);
649: }
650: return(1);
1.95 schwarze 651: }
652:
1.1 kristaps 653: static int
1.87 schwarze 654: moptions(int *options, char *arg)
1.1 kristaps 655: {
656:
1.95 schwarze 657: if (arg == NULL)
658: /* nothing to do */;
659: else if (0 == strcmp(arg, "doc"))
1.87 schwarze 660: *options |= MPARSE_MDOC;
1.1 kristaps 661: else if (0 == strcmp(arg, "andoc"))
1.87 schwarze 662: /* nothing to do */;
1.1 kristaps 663: else if (0 == strcmp(arg, "an"))
1.87 schwarze 664: *options |= MPARSE_MAN;
1.1 kristaps 665: else {
1.93 schwarze 666: fprintf(stderr, "%s: -m%s: Bad argument\n",
667: progname, arg);
1.1 kristaps 668: return(0);
669: }
670:
671: return(1);
672: }
673:
674: static int
1.22 schwarze 675: toptions(struct curparse *curp, char *arg)
1.1 kristaps 676: {
677:
678: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 679: curp->outtype = OUTT_ASCII;
680: else if (0 == strcmp(arg, "lint")) {
681: curp->outtype = OUTT_LINT;
1.45 schwarze 682: curp->wlevel = MANDOCLEVEL_WARNING;
1.76 schwarze 683: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 684: curp->outtype = OUTT_TREE;
1.78 schwarze 685: else if (0 == strcmp(arg, "man"))
686: curp->outtype = OUTT_MAN;
1.17 schwarze 687: else if (0 == strcmp(arg, "html"))
1.22 schwarze 688: curp->outtype = OUTT_HTML;
1.77 schwarze 689: else if (0 == strcmp(arg, "utf8"))
690: curp->outtype = OUTT_UTF8;
691: else if (0 == strcmp(arg, "locale"))
692: curp->outtype = OUTT_LOCALE;
1.21 schwarze 693: else if (0 == strcmp(arg, "xhtml"))
1.102 schwarze 694: curp->outtype = OUTT_HTML;
1.36 schwarze 695: else if (0 == strcmp(arg, "ps"))
696: curp->outtype = OUTT_PS;
1.43 schwarze 697: else if (0 == strcmp(arg, "pdf"))
698: curp->outtype = OUTT_PDF;
1.1 kristaps 699: else {
1.93 schwarze 700: fprintf(stderr, "%s: -T%s: Bad argument\n",
701: progname, arg);
1.1 kristaps 702: return(0);
703: }
704:
705: return(1);
706: }
707:
708: static int
1.45 schwarze 709: woptions(struct curparse *curp, char *arg)
1.1 kristaps 710: {
1.10 schwarze 711: char *v, *o;
1.90 schwarze 712: const char *toks[6];
1.1 kristaps 713:
1.45 schwarze 714: toks[0] = "stop";
715: toks[1] = "all";
716: toks[2] = "warning";
717: toks[3] = "error";
718: toks[4] = "fatal";
719: toks[5] = NULL;
1.1 kristaps 720:
1.10 schwarze 721: while (*arg) {
722: o = arg;
1.17 schwarze 723: switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.90 schwarze 724: case 0:
1.45 schwarze 725: curp->wstop = 1;
1.1 kristaps 726: break;
1.90 schwarze 727: case 1:
1.45 schwarze 728: /* FALLTHROUGH */
1.90 schwarze 729: case 2:
1.45 schwarze 730: curp->wlevel = MANDOCLEVEL_WARNING;
1.1 kristaps 731: break;
1.90 schwarze 732: case 3:
1.45 schwarze 733: curp->wlevel = MANDOCLEVEL_ERROR;
1.1 kristaps 734: break;
1.90 schwarze 735: case 4:
1.45 schwarze 736: curp->wlevel = MANDOCLEVEL_FATAL;
1.19 schwarze 737: break;
1.1 kristaps 738: default:
1.93 schwarze 739: fprintf(stderr, "%s: -W%s: Bad argument\n",
740: progname, o);
1.1 kristaps 741: return(0);
742: }
1.10 schwarze 743: }
1.1 kristaps 744:
745: return(1);
746: }
747:
1.75 schwarze 748: static void
1.90 schwarze 749: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 750: const char *file, int line, int col, const char *msg)
1.30 schwarze 751: {
1.94 schwarze 752: const char *mparse_msg;
1.45 schwarze 753:
1.92 schwarze 754: fprintf(stderr, "%s: %s:", progname, file);
755:
756: if (line)
757: fprintf(stderr, "%d:%d:", line, col + 1);
758:
1.94 schwarze 759: fprintf(stderr, " %s", mparse_strlevel(lvl));
760:
761: if (NULL != (mparse_msg = mparse_strerror(t)))
762: fprintf(stderr, ": %s", mparse_msg);
1.30 schwarze 763:
764: if (msg)
765: fprintf(stderr, ": %s", msg);
1.76 schwarze 766:
1.30 schwarze 767: fputc('\n', stderr);
1.95 schwarze 768: }
769:
770: static void
771: spawn_pager(void)
772: {
773: #define MAX_PAGER_ARGS 16
774: char *argv[MAX_PAGER_ARGS];
775: const char *pager;
776: char *cp;
777: int fildes[2];
778: int argc;
779:
780: if (pipe(fildes) == -1) {
781: fprintf(stderr, "%s: pipe: %s\n",
782: progname, strerror(errno));
783: return;
784: }
785:
786: switch (fork()) {
787: case -1:
788: fprintf(stderr, "%s: fork: %s\n",
789: progname, strerror(errno));
790: exit((int)MANDOCLEVEL_SYSERR);
791: case 0:
792: close(fildes[0]);
793: if (dup2(fildes[1], STDOUT_FILENO) == -1) {
794: fprintf(stderr, "%s: dup output: %s\n",
795: progname, strerror(errno));
796: exit((int)MANDOCLEVEL_SYSERR);
797: }
798: return;
799: default:
800: break;
801: }
802:
803: /* The original process becomes the pager. */
804:
805: close(fildes[1]);
806: if (dup2(fildes[0], STDIN_FILENO) == -1) {
807: fprintf(stderr, "%s: dup input: %s\n",
808: progname, strerror(errno));
809: exit((int)MANDOCLEVEL_SYSERR);
810: }
811:
812: pager = getenv("MANPAGER");
813: if (pager == NULL || *pager == '\0')
814: pager = getenv("PAGER");
815: if (pager == NULL || *pager == '\0')
816: pager = "/usr/bin/more -s";
817: cp = mandoc_strdup(pager);
818:
819: /*
820: * Parse the pager command into words.
821: * Intentionally do not do anything fancy here.
822: */
823:
824: argc = 0;
825: while (argc + 1 < MAX_PAGER_ARGS) {
826: argv[argc++] = cp;
827: cp = strchr(cp, ' ');
828: if (cp == NULL)
829: break;
830: *cp++ = '\0';
831: while (*cp == ' ')
832: cp++;
833: if (*cp == '\0')
834: break;
835: }
836: argv[argc] = NULL;
837:
838: /* Hand over to the pager. */
839:
840: execvp(argv[0], argv);
841: fprintf(stderr, "%s: exec: %s\n",
842: progname, strerror(errno));
843: exit((int)MANDOCLEVEL_SYSERR);
1.30 schwarze 844: }
![[BACK]](/icons/back.gif){kind=icon}
Return to main.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc