Annotation of src/usr.bin/mandoc/main.c, Revision 1.203
1.203 ! schwarze 1: /* $OpenBSD: main.c,v 1.202 2017/07/04 14:40:30 schwarze Exp $ */
1.1 kristaps 2: /*
1.95 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.181 schwarze 4: * Copyright (c) 2010-2012, 2014-2017 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: *
1.134 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.134 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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>
1.122 schwarze 21: #include <sys/param.h> /* MACHINE */
1.129 schwarze 22: #include <sys/wait.h>
1.95 schwarze 23:
1.1 kristaps 24: #include <assert.h>
1.95 schwarze 25: #include <ctype.h>
1.152 schwarze 26: #include <err.h>
1.165 schwarze 27: #include <errno.h>
1.95 schwarze 28: #include <fcntl.h>
1.127 schwarze 29: #include <glob.h>
1.131 schwarze 30: #include <signal.h>
1.1 kristaps 31: #include <stdio.h>
1.17 schwarze 32: #include <stdint.h>
1.1 kristaps 33: #include <stdlib.h>
34: #include <string.h>
1.172 schwarze 35: #include <time.h>
1.1 kristaps 36: #include <unistd.h>
37:
1.136 schwarze 38: #include "mandoc_aux.h"
1.30 schwarze 39: #include "mandoc.h"
1.197 schwarze 40: #include "mandoc_xr.h"
1.136 schwarze 41: #include "roff.h"
1.1 kristaps 42: #include "mdoc.h"
43: #include "man.h"
1.144 schwarze 44: #include "tag.h"
1.136 schwarze 45: #include "main.h"
1.134 schwarze 46: #include "manconf.h"
1.95 schwarze 47: #include "mansearch.h"
48:
49: enum outmode {
50: OUTMODE_DEF = 0,
51: OUTMODE_FLN,
52: OUTMODE_LST,
53: OUTMODE_ALL,
54: OUTMODE_ONE
55: };
1.1 kristaps 56:
57: enum outt {
1.76 schwarze 58: OUTT_ASCII = 0, /* -Tascii */
1.77 schwarze 59: OUTT_LOCALE, /* -Tlocale */
60: OUTT_UTF8, /* -Tutf8 */
1.76 schwarze 61: OUTT_TREE, /* -Ttree */
1.78 schwarze 62: OUTT_MAN, /* -Tman */
1.76 schwarze 63: OUTT_HTML, /* -Thtml */
1.188 schwarze 64: OUTT_MARKDOWN, /* -Tmarkdown */
1.76 schwarze 65: OUTT_LINT, /* -Tlint */
66: OUTT_PS, /* -Tps */
67: OUTT_PDF /* -Tpdf */
1.1 kristaps 68: };
69:
70: struct curparse {
1.76 schwarze 71: struct mparse *mp;
1.196 schwarze 72: struct manoutput *outopts; /* output options */
73: void *outdata; /* data for output */
74: char *os_s; /* operating system for display */
1.75 schwarze 75: int wstop; /* stop after a file with a warning */
1.196 schwarze 76: enum mandocerr mmin; /* ignore messages below this */
77: enum mandoc_os os_e; /* check base system conventions */
1.90 schwarze 78: enum outt outtype; /* which output to use */
1.33 schwarze 79: };
1.174 schwarze 80:
81:
82: int mandocdb(int, char *[]);
1.33 schwarze 83:
1.197 schwarze 84: static void check_xr(const char *);
1.119 schwarze 85: static int fs_lookup(const struct manpaths *,
86: size_t ipath, const char *,
87: const char *, const char *,
88: struct manpage **, size_t *);
1.198 schwarze 89: static int fs_search(const struct mansearch *,
1.119 schwarze 90: const struct manpaths *, int, char**,
91: struct manpage **, size_t *);
1.103 schwarze 92: static int koptions(int *, char *);
1.189 schwarze 93: static void moptions(int *, char *);
1.76 schwarze 94: static void mmsg(enum mandocerr, enum mandoclevel,
95: const char *, int, int, const char *);
1.179 schwarze 96: static void outdata_alloc(struct curparse *);
1.132 schwarze 97: static void parse(struct curparse *, int, const char *);
98: static void passthrough(const char *, int, int);
1.149 schwarze 99: static pid_t spawn_pager(struct tag_files *);
1.27 schwarze 100: static int toptions(struct curparse *, char *);
1.184 schwarze 101: static void usage(enum argmode) __attribute__((__noreturn__));
1.45 schwarze 102: static int woptions(struct curparse *, char *);
1.1 kristaps 103:
1.95 schwarze 104: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.110 schwarze 105: static char help_arg[] = "help";
106: static char *help_argv[] = {help_arg, NULL};
1.131 schwarze 107: static enum mandoclevel rc;
1.203 ! schwarze 108: static FILE *mmsg_stream;
1.1 kristaps 109:
1.90 schwarze 110:
1.1 kristaps 111: int
112: main(int argc, char *argv[])
113: {
1.134 schwarze 114: struct manconf conf;
1.186 schwarze 115: struct mansearch search;
1.1 kristaps 116: struct curparse curp;
1.149 schwarze 117: struct tag_files *tag_files;
1.186 schwarze 118: struct manpage *res, *resp;
119: const char *progname, *sec, *thisarg;
120: char *conf_file, *defpaths, *auxpaths;
1.196 schwarze 121: char *oarg;
1.113 schwarze 122: unsigned char *uc;
1.171 schwarze 123: size_t i, sz;
1.135 schwarze 124: int prio, best_prio;
1.95 schwarze 125: enum outmode outmode;
1.100 schwarze 126: int fd;
1.95 schwarze 127: int show_usage;
1.87 schwarze 128: int options;
1.149 schwarze 129: int use_pager;
1.166 schwarze 130: int status, signum;
1.95 schwarze 131: int c;
1.166 schwarze 132: pid_t pager_pid, tc_pgid, man_pgid, pid;
1.1 kristaps 133:
1.162 schwarze 134: progname = getprogname();
135: if (strncmp(progname, "mandocdb", 8) == 0 ||
136: strncmp(progname, "makewhatis", 10) == 0)
1.150 schwarze 137: return mandocdb(argc, argv);
1.19 schwarze 138:
1.187 schwarze 139: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
1.163 schwarze 140: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.154 schwarze 141:
1.95 schwarze 142: /* Search options. */
143:
1.134 schwarze 144: memset(&conf, 0, sizeof(conf));
1.111 schwarze 145: conf_file = defpaths = NULL;
146: auxpaths = NULL;
1.95 schwarze 147:
148: memset(&search, 0, sizeof(struct mansearch));
149: search.outkey = "Nd";
1.186 schwarze 150: oarg = NULL;
1.95 schwarze 151:
1.162 schwarze 152: if (strcmp(progname, "man") == 0)
1.95 schwarze 153: search.argmode = ARG_NAME;
1.162 schwarze 154: else if (strncmp(progname, "apropos", 7) == 0)
1.95 schwarze 155: search.argmode = ARG_EXPR;
1.162 schwarze 156: else if (strncmp(progname, "whatis", 6) == 0)
1.95 schwarze 157: search.argmode = ARG_WORD;
1.162 schwarze 158: else if (strncmp(progname, "help", 4) == 0)
1.110 schwarze 159: search.argmode = ARG_NAME;
1.95 schwarze 160: else
161: search.argmode = ARG_FILE;
162:
163: /* Parser and formatter options. */
164:
1.19 schwarze 165: memset(&curp, 0, sizeof(struct curparse));
1.109 schwarze 166: curp.outtype = OUTT_LOCALE;
1.196 schwarze 167: curp.mmin = MANDOCERR_MAX;
1.135 schwarze 168: curp.outopts = &conf.output;
1.103 schwarze 169: options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
1.203 ! schwarze 170: mmsg_stream = stderr;
1.1 kristaps 171:
1.149 schwarze 172: use_pager = 1;
173: tag_files = NULL;
1.95 schwarze 174: show_usage = 0;
175: outmode = OUTMODE_DEF;
176:
1.192 schwarze 177: while ((c = getopt(argc, argv,
178: "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
179: if (c == 'i' && search.argmode == ARG_EXPR) {
180: optind--;
181: break;
182: }
1.1 kristaps 183: switch (c) {
1.95 schwarze 184: case 'a':
185: outmode = OUTMODE_ALL;
186: break;
187: case 'C':
188: conf_file = optarg;
189: break;
190: case 'c':
1.149 schwarze 191: use_pager = 0;
1.95 schwarze 192: break;
193: case 'f':
194: search.argmode = ARG_WORD;
195: break;
1.98 schwarze 196: case 'h':
1.135 schwarze 197: conf.output.synopsisonly = 1;
1.149 schwarze 198: use_pager = 0;
1.98 schwarze 199: outmode = OUTMODE_ALL;
200: break;
1.90 schwarze 201: case 'I':
1.83 schwarze 202: if (strncmp(optarg, "os=", 3)) {
1.152 schwarze 203: warnx("-I %s: Bad argument", optarg);
1.150 schwarze 204: return (int)MANDOCLEVEL_BADARG;
1.83 schwarze 205: }
1.196 schwarze 206: if (curp.os_s != NULL) {
1.152 schwarze 207: warnx("-I %s: Duplicate argument", optarg);
1.150 schwarze 208: return (int)MANDOCLEVEL_BADARG;
1.83 schwarze 209: }
1.196 schwarze 210: curp.os_s = mandoc_strdup(optarg + 3);
1.95 schwarze 211: break;
1.103 schwarze 212: case 'K':
213: if ( ! koptions(&options, optarg))
1.150 schwarze 214: return (int)MANDOCLEVEL_BADARG;
1.103 schwarze 215: break;
1.95 schwarze 216: case 'k':
217: search.argmode = ARG_EXPR;
218: break;
1.96 schwarze 219: case 'l':
220: search.argmode = ARG_FILE;
221: outmode = OUTMODE_ALL;
222: break;
1.95 schwarze 223: case 'M':
224: defpaths = optarg;
225: break;
1.90 schwarze 226: case 'm':
1.95 schwarze 227: auxpaths = optarg;
1.1 kristaps 228: break;
1.90 schwarze 229: case 'O':
1.186 schwarze 230: oarg = optarg;
1.17 schwarze 231: break;
1.95 schwarze 232: case 'S':
233: search.arch = optarg;
234: break;
235: case 's':
236: search.sec = optarg;
237: break;
1.90 schwarze 238: case 'T':
1.22 schwarze 239: if ( ! toptions(&curp, optarg))
1.150 schwarze 240: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 241: break;
1.90 schwarze 242: case 'W':
1.45 schwarze 243: if ( ! woptions(&curp, optarg))
1.150 schwarze 244: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 245: break;
1.95 schwarze 246: case 'w':
247: outmode = OUTMODE_FLN;
248: break;
1.1 kristaps 249: default:
1.95 schwarze 250: show_usage = 1;
251: break;
252: }
253: }
254:
255: if (show_usage)
256: usage(search.argmode);
257:
258: /* Postprocess options. */
259:
260: if (outmode == OUTMODE_DEF) {
261: switch (search.argmode) {
262: case ARG_FILE:
263: outmode = OUTMODE_ALL;
1.149 schwarze 264: use_pager = 0;
1.95 schwarze 265: break;
266: case ARG_NAME:
267: outmode = OUTMODE_ONE;
268: break;
269: default:
270: outmode = OUTMODE_LST;
271: break;
1.186 schwarze 272: }
273: }
274:
275: if (oarg != NULL) {
276: if (outmode == OUTMODE_LST)
277: search.outkey = oarg;
278: else {
279: while (oarg != NULL) {
280: thisarg = oarg;
281: if (manconf_output(&conf.output,
282: strsep(&oarg, ","), 0) == 0)
283: continue;
284: warnx("-O %s: Bad argument", thisarg);
285: return (int)MANDOCLEVEL_BADARG;
286: }
1.95 schwarze 287: }
288: }
289:
1.151 schwarze 290: if (outmode == OUTMODE_FLN ||
291: outmode == OUTMODE_LST ||
292: !isatty(STDOUT_FILENO))
293: use_pager = 0;
294:
1.167 schwarze 295: if (!use_pager)
1.187 schwarze 296: if (pledge("stdio rpath", NULL) == -1)
1.167 schwarze 297: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.154 schwarze 298:
1.95 schwarze 299: /* Parse arguments. */
300:
1.124 schwarze 301: if (argc > 0) {
302: argc -= optind;
303: argv += optind;
304: }
1.95 schwarze 305: resp = NULL;
306:
1.110 schwarze 307: /*
308: * Quirks for help(1)
309: * and for a man(1) section argument without -s.
310: */
311:
312: if (search.argmode == ARG_NAME) {
1.162 schwarze 313: if (*progname == 'h') {
1.110 schwarze 314: if (argc == 0) {
315: argv = help_argv;
316: argc = 1;
317: }
1.117 schwarze 318: } else if (argc > 1 &&
1.128 schwarze 319: ((uc = (unsigned char *)argv[0]) != NULL) &&
1.113 schwarze 320: ((isdigit(uc[0]) && (uc[1] == '\0' ||
321: (isalpha(uc[1]) && uc[2] == '\0'))) ||
322: (uc[0] == 'n' && uc[1] == '\0'))) {
1.128 schwarze 323: search.sec = (char *)uc;
1.110 schwarze 324: argv++;
325: argc--;
326: }
1.122 schwarze 327: if (search.arch == NULL)
328: search.arch = getenv("MACHINE");
329: if (search.arch == NULL)
330: search.arch = MACHINE;
1.95 schwarze 331: }
332:
333: rc = MANDOCLEVEL_OK;
334:
335: /* man(1), whatis(1), apropos(1) */
336:
337: if (search.argmode != ARG_FILE) {
1.107 schwarze 338: if (search.argmode == ARG_NAME &&
339: outmode == OUTMODE_ONE)
340: search.firstmatch = 1;
1.95 schwarze 341:
342: /* Access the mandoc database. */
343:
1.134 schwarze 344: manconf_parse(&conf, conf_file, defpaths, auxpaths);
345: if ( ! mansearch(&search, &conf.manpath,
346: argc, argv, &res, &sz))
1.95 schwarze 347: usage(search.argmode);
1.119 schwarze 348:
1.142 schwarze 349: if (sz == 0) {
350: if (search.argmode == ARG_NAME)
351: fs_search(&search, &conf.manpath,
352: argc, argv, &res, &sz);
353: else
1.152 schwarze 354: warnx("nothing appropriate");
1.142 schwarze 355: }
1.95 schwarze 356:
357: if (sz == 0) {
358: rc = MANDOCLEVEL_BADARG;
359: goto out;
360: }
361:
362: /*
363: * For standard man(1) and -a output mode,
364: * prepare for copying filename pointers
365: * into the program parameter array.
366: */
367:
368: if (outmode == OUTMODE_ONE) {
369: argc = 1;
1.171 schwarze 370: best_prio = 20;
1.95 schwarze 371: } else if (outmode == OUTMODE_ALL)
372: argc = (int)sz;
373:
374: /* Iterate all matching manuals. */
375:
1.119 schwarze 376: resp = res;
1.95 schwarze 377: for (i = 0; i < sz; i++) {
378: if (outmode == OUTMODE_FLN)
379: puts(res[i].file);
380: else if (outmode == OUTMODE_LST)
381: printf("%s - %s\n", res[i].names,
382: res[i].output == NULL ? "" :
383: res[i].output);
384: else if (outmode == OUTMODE_ONE) {
385: /* Search for the best section. */
1.171 schwarze 386: sec = res[i].file;
387: sec += strcspn(sec, "123456789");
388: if (sec[0] == '\0')
1.95 schwarze 389: continue;
1.171 schwarze 390: prio = sec_prios[sec[0] - '1'];
391: if (sec[1] != '/')
392: prio += 10;
1.95 schwarze 393: if (prio >= best_prio)
394: continue;
395: best_prio = prio;
396: resp = res + i;
397: }
1.1 kristaps 398: }
399:
1.95 schwarze 400: /*
401: * For man(1), -a and -i output mode, fall through
402: * to the main mandoc(1) code iterating files
403: * and running the parsers on each of them.
404: */
405:
406: if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
407: goto out;
408: }
409:
410: /* mandoc(1) */
1.157 schwarze 411:
1.167 schwarze 412: if (use_pager) {
413: if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
414: err((int)MANDOCLEVEL_SYSERR, "pledge");
415: } else {
416: if (pledge("stdio rpath", NULL) == -1)
417: err((int)MANDOCLEVEL_SYSERR, "pledge");
418: }
1.95 schwarze 419:
1.189 schwarze 420: if (search.argmode == ARG_FILE)
421: moptions(&options, auxpaths);
1.146 schwarze 422:
1.155 schwarze 423: mchars_alloc();
1.196 schwarze 424: curp.mp = mparse_alloc(options, curp.mmin, mmsg,
425: curp.os_e, curp.os_s);
1.76 schwarze 426:
1.80 schwarze 427: /*
428: * Conditionally start up the lookaside buffer before parsing.
429: */
430: if (OUTT_MAN == curp.outtype)
431: mparse_keep(curp.mp);
432:
1.124 schwarze 433: if (argc < 1) {
1.149 schwarze 434: if (use_pager)
435: tag_files = tag_init();
1.132 schwarze 436: parse(&curp, STDIN_FILENO, "<stdin>");
1.118 schwarze 437: }
1.27 schwarze 438:
1.124 schwarze 439: while (argc > 0) {
1.169 schwarze 440: fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
1.118 schwarze 441: if (fd != -1) {
1.149 schwarze 442: if (use_pager) {
443: tag_files = tag_init();
444: use_pager = 0;
445: }
1.118 schwarze 446:
447: if (resp == NULL)
1.132 schwarze 448: parse(&curp, fd, *argv);
1.177 schwarze 449: else if (resp->form == FORM_SRC) {
1.97 schwarze 450: /* For .so only; ignore failure. */
1.134 schwarze 451: chdir(conf.manpath.paths[resp->ipath]);
1.132 schwarze 452: parse(&curp, fd, resp->file);
453: } else
1.135 schwarze 454: passthrough(resp->file, fd,
455: conf.output.synopsisonly);
1.118 schwarze 456:
1.179 schwarze 457: if (argc > 1 && curp.outtype <= OUTT_UTF8) {
458: if (curp.outdata == NULL)
459: outdata_alloc(&curp);
1.173 schwarze 460: terminal_sepline(curp.outdata);
1.179 schwarze 461: }
1.169 schwarze 462: } else if (rc < MANDOCLEVEL_ERROR)
463: rc = MANDOCLEVEL_ERROR;
1.100 schwarze 464:
1.76 schwarze 465: if (MANDOCLEVEL_OK != rc && curp.wstop)
1.27 schwarze 466: break;
1.116 schwarze 467:
1.118 schwarze 468: if (resp != NULL)
469: resp++;
470: else
471: argv++;
472: if (--argc)
473: mparse_reset(curp.mp);
1.1 kristaps 474: }
475:
1.160 schwarze 476: if (curp.outdata != NULL) {
477: switch (curp.outtype) {
478: case OUTT_HTML:
479: html_free(curp.outdata);
480: break;
481: case OUTT_UTF8:
482: case OUTT_LOCALE:
483: case OUTT_ASCII:
484: ascii_free(curp.outdata);
485: break;
486: case OUTT_PDF:
487: case OUTT_PS:
488: pspdf_free(curp.outdata);
489: break;
490: default:
491: break;
492: }
1.158 schwarze 493: }
1.197 schwarze 494: mandoc_xr_free();
1.102 schwarze 495: mparse_free(curp.mp);
1.155 schwarze 496: mchars_free();
1.95 schwarze 497:
498: out:
499: if (search.argmode != ARG_FILE) {
1.134 schwarze 500: manconf_free(&conf);
1.95 schwarze 501: mansearch_free(res, sz);
502: }
503:
1.196 schwarze 504: free(curp.os_s);
1.1 kristaps 505:
1.129 schwarze 506: /*
1.149 schwarze 507: * When using a pager, finish writing both temporary files,
508: * fork it, wait for the user to close it, and clean up.
1.129 schwarze 509: */
510:
1.149 schwarze 511: if (tag_files != NULL) {
1.130 schwarze 512: fclose(stdout);
1.144 schwarze 513: tag_write();
1.166 schwarze 514: man_pgid = getpgid(0);
515: tag_files->tcpgid = man_pgid == getpid() ?
516: getpgid(getppid()) : man_pgid;
517: pager_pid = 0;
518: signum = SIGSTOP;
1.165 schwarze 519: for (;;) {
1.166 schwarze 520:
521: /* Stop here until moved to the foreground. */
522:
1.182 schwarze 523: tc_pgid = tcgetpgrp(tag_files->ofd);
1.166 schwarze 524: if (tc_pgid != man_pgid) {
525: if (tc_pgid == pager_pid) {
1.182 schwarze 526: (void)tcsetpgrp(tag_files->ofd,
1.166 schwarze 527: man_pgid);
528: if (signum == SIGTTIN)
529: continue;
530: } else
531: tag_files->tcpgid = tc_pgid;
532: kill(0, signum);
533: continue;
534: }
535:
536: /* Once in the foreground, activate the pager. */
537:
538: if (pager_pid) {
1.182 schwarze 539: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.166 schwarze 540: kill(pager_pid, SIGCONT);
541: } else
542: pager_pid = spawn_pager(tag_files);
543:
544: /* Wait for the pager to stop or exit. */
545:
546: while ((pid = waitpid(pager_pid, &status,
547: WUNTRACED)) == -1 && errno == EINTR)
548: continue;
549:
550: if (pid == -1) {
1.165 schwarze 551: warn("wait");
552: rc = MANDOCLEVEL_SYSERR;
553: break;
554: }
555: if (!WIFSTOPPED(status))
556: break;
557:
1.166 schwarze 558: signum = WSTOPSIG(status);
1.165 schwarze 559: }
1.144 schwarze 560: tag_unlink();
1.130 schwarze 561: }
1.129 schwarze 562:
1.150 schwarze 563: return (int)rc;
1.1 kristaps 564: }
565:
1.20 schwarze 566: static void
1.95 schwarze 567: usage(enum argmode argmode)
1.1 kristaps 568: {
569:
1.95 schwarze 570: switch (argmode) {
571: case ARG_FILE:
1.190 schwarze 572: fputs("usage: mandoc [-ac] [-I os=name] "
573: "[-K encoding] [-mdoc | -man] [-O options]\n"
1.133 schwarze 574: "\t [-T output] [-W level] [file ...]\n", stderr);
1.95 schwarze 575: break;
576: case ARG_NAME:
1.190 schwarze 577: fputs("usage: man [-acfhklw] [-C file] [-M path] "
578: "[-m path] [-S subsection]\n"
579: "\t [[-s] section] name ...\n", stderr);
1.95 schwarze 580: break;
581: case ARG_WORD:
1.190 schwarze 582: fputs("usage: whatis [-afk] [-C file] "
1.96 schwarze 583: "[-M path] [-m path] [-O outkey] [-S arch]\n"
584: "\t [-s section] name ...\n", stderr);
1.95 schwarze 585: break;
586: case ARG_EXPR:
1.190 schwarze 587: fputs("usage: apropos [-afk] [-C file] "
1.96 schwarze 588: "[-M path] [-m path] [-O outkey] [-S arch]\n"
1.95 schwarze 589: "\t [-s section] expression ...\n", stderr);
590: break;
591: }
1.47 schwarze 592: exit((int)MANDOCLEVEL_BADARG);
1.119 schwarze 593: }
594:
595: static int
596: fs_lookup(const struct manpaths *paths, size_t ipath,
597: const char *sec, const char *arch, const char *name,
598: struct manpage **res, size_t *ressz)
599: {
1.127 schwarze 600: glob_t globinfo;
1.119 schwarze 601: struct manpage *page;
602: char *file;
1.177 schwarze 603: int globres;
604: enum form form;
1.119 schwarze 605:
1.127 schwarze 606: form = FORM_SRC;
1.119 schwarze 607: mandoc_asprintf(&file, "%s/man%s/%s.%s",
608: paths->paths[ipath], sec, name, sec);
1.127 schwarze 609: if (access(file, R_OK) != -1)
1.119 schwarze 610: goto found;
611: free(file);
612:
613: mandoc_asprintf(&file, "%s/cat%s/%s.0",
614: paths->paths[ipath], sec, name);
615: if (access(file, R_OK) != -1) {
616: form = FORM_CAT;
617: goto found;
618: }
619: free(file);
620:
621: if (arch != NULL) {
622: mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
623: paths->paths[ipath], sec, arch, name, sec);
1.127 schwarze 624: if (access(file, R_OK) != -1)
1.119 schwarze 625: goto found;
626: free(file);
627: }
1.127 schwarze 628:
1.145 schwarze 629: mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
1.127 schwarze 630: paths->paths[ipath], sec, name);
631: globres = glob(file, 0, NULL, &globinfo);
632: if (globres != 0 && globres != GLOB_NOMATCH)
1.152 schwarze 633: warn("%s: glob", file);
1.127 schwarze 634: free(file);
635: if (globres == 0)
636: file = mandoc_strdup(*globinfo.gl_pathv);
637: globfree(&globinfo);
1.199 schwarze 638: if (globres == 0)
639: goto found;
640: if (res != NULL || ipath + 1 != paths->sz)
1.150 schwarze 641: return 0;
1.119 schwarze 642:
1.199 schwarze 643: mandoc_asprintf(&file, "%s.%s", name, sec);
644: globres = access(file, R_OK);
645: free(file);
646: return globres != -1;
647:
1.119 schwarze 648: found:
1.152 schwarze 649: warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s",
650: name, sec, paths->paths[ipath]);
1.199 schwarze 651: if (res == NULL) {
652: free(file);
1.198 schwarze 653: return 1;
1.199 schwarze 654: }
1.119 schwarze 655: *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
656: page = *res + (*ressz - 1);
657: page->file = file;
658: page->names = NULL;
659: page->output = NULL;
660: page->ipath = ipath;
661: page->bits = NAME_FILE & NAME_MASK;
662: page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
663: page->form = form;
1.150 schwarze 664: return 1;
1.119 schwarze 665: }
666:
1.198 schwarze 667: static int
1.119 schwarze 668: fs_search(const struct mansearch *cfg, const struct manpaths *paths,
669: int argc, char **argv, struct manpage **res, size_t *ressz)
670: {
671: const char *const sections[] =
1.171 schwarze 672: {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
1.119 schwarze 673: const size_t nsec = sizeof(sections)/sizeof(sections[0]);
674:
675: size_t ipath, isec, lastsz;
676:
677: assert(cfg->argmode == ARG_NAME);
678:
1.198 schwarze 679: if (res != NULL)
680: *res = NULL;
1.119 schwarze 681: *ressz = lastsz = 0;
682: while (argc) {
683: for (ipath = 0; ipath < paths->sz; ipath++) {
684: if (cfg->sec != NULL) {
685: if (fs_lookup(paths, ipath, cfg->sec,
686: cfg->arch, *argv, res, ressz) &&
687: cfg->firstmatch)
1.198 schwarze 688: return 1;
1.119 schwarze 689: } else for (isec = 0; isec < nsec; isec++)
690: if (fs_lookup(paths, ipath, sections[isec],
691: cfg->arch, *argv, res, ressz) &&
692: cfg->firstmatch)
1.198 schwarze 693: return 1;
1.119 schwarze 694: }
1.198 schwarze 695: if (res != NULL && *ressz == lastsz)
1.152 schwarze 696: warnx("No entry for %s in the manual.", *argv);
1.119 schwarze 697: lastsz = *ressz;
698: argv++;
699: argc--;
700: }
1.198 schwarze 701: return 0;
1.1 kristaps 702: }
703:
1.27 schwarze 704: static void
1.132 schwarze 705: parse(struct curparse *curp, int fd, const char *file)
1.52 schwarze 706: {
1.132 schwarze 707: enum mandoclevel rctmp;
1.139 schwarze 708: struct roff_man *man;
1.52 schwarze 709:
1.76 schwarze 710: /* Begin by parsing the file itself. */
1.52 schwarze 711:
1.76 schwarze 712: assert(file);
1.170 florian 713: assert(fd >= 0);
1.52 schwarze 714:
1.132 schwarze 715: rctmp = mparse_readfd(curp->mp, fd, file);
1.168 schwarze 716: if (fd != STDIN_FILENO)
717: close(fd);
1.132 schwarze 718: if (rc < rctmp)
719: rc = rctmp;
1.1 kristaps 720:
1.51 schwarze 721: /*
1.76 schwarze 722: * With -Wstop and warnings or errors of at least the requested
723: * level, do not produce output.
1.51 schwarze 724: */
725:
1.132 schwarze 726: if (rctmp != MANDOCLEVEL_OK && curp->wstop)
727: return;
1.51 schwarze 728:
1.179 schwarze 729: if (curp->outdata == NULL)
730: outdata_alloc(curp);
1.51 schwarze 731:
1.158 schwarze 732: mparse_result(curp->mp, &man, NULL);
733:
734: /* Execute the out device, if it exists. */
735:
736: if (man == NULL)
737: return;
1.200 schwarze 738: mandoc_xr_reset();
1.158 schwarze 739: if (man->macroset == MACROSET_MDOC) {
1.185 schwarze 740: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
741: mdoc_validate(man);
1.51 schwarze 742: switch (curp->outtype) {
1.90 schwarze 743: case OUTT_HTML:
1.158 schwarze 744: html_mdoc(curp->outdata, man);
1.51 schwarze 745: break;
1.90 schwarze 746: case OUTT_TREE:
1.158 schwarze 747: tree_mdoc(curp->outdata, man);
1.51 schwarze 748: break;
1.90 schwarze 749: case OUTT_MAN:
1.158 schwarze 750: man_mdoc(curp->outdata, man);
1.78 schwarze 751: break;
1.90 schwarze 752: case OUTT_PDF:
753: case OUTT_ASCII:
754: case OUTT_UTF8:
755: case OUTT_LOCALE:
756: case OUTT_PS:
1.158 schwarze 757: terminal_mdoc(curp->outdata, man);
758: break;
1.188 schwarze 759: case OUTT_MARKDOWN:
760: markdown_mdoc(curp->outdata, man);
761: break;
1.158 schwarze 762: default:
763: break;
764: }
765: }
766: if (man->macroset == MACROSET_MAN) {
1.185 schwarze 767: if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
768: man_validate(man);
1.158 schwarze 769: switch (curp->outtype) {
770: case OUTT_HTML:
771: html_man(curp->outdata, man);
772: break;
773: case OUTT_TREE:
774: tree_man(curp->outdata, man);
775: break;
776: case OUTT_MAN:
777: man_man(curp->outdata, man);
778: break;
779: case OUTT_PDF:
780: case OUTT_ASCII:
781: case OUTT_UTF8:
782: case OUTT_LOCALE:
783: case OUTT_PS:
784: terminal_man(curp->outdata, man);
1.51 schwarze 785: break;
786: default:
787: break;
788: }
1.179 schwarze 789: }
1.200 schwarze 790: if (curp->mmin < MANDOCERR_STYLE)
791: check_xr(file);
1.181 schwarze 792: mparse_updaterc(curp->mp, &rc);
1.197 schwarze 793: }
794:
795: static void
796: check_xr(const char *file)
797: {
798: static struct manpaths paths;
799: struct mansearch search;
800: struct mandoc_xr *xr;
801: char *cp;
802: size_t sz;
803:
804: if (paths.sz == 0)
805: manpath_base(&paths);
806:
807: for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1.200 schwarze 808: if (xr->line == -1)
809: continue;
1.197 schwarze 810: search.arch = NULL;
811: search.sec = xr->sec;
812: search.outkey = NULL;
813: search.argmode = ARG_NAME;
814: search.firstmatch = 1;
815: if (mansearch(&search, &paths, 1, &xr->name, NULL, &sz))
1.198 schwarze 816: continue;
817: if (fs_search(&search, &paths, 1, &xr->name, NULL, &sz))
1.197 schwarze 818: continue;
1.201 schwarze 819: if (xr->count == 1)
820: mandoc_asprintf(&cp, "Xr %s %s", xr->name, xr->sec);
821: else
822: mandoc_asprintf(&cp, "Xr %s %s (%d times)",
823: xr->name, xr->sec, xr->count);
1.197 schwarze 824: mmsg(MANDOCERR_XR_BAD, MANDOCLEVEL_STYLE,
825: file, xr->line, xr->pos + 1, cp);
826: free(cp);
827: }
1.179 schwarze 828: }
829:
830: static void
831: outdata_alloc(struct curparse *curp)
832: {
833: switch (curp->outtype) {
834: case OUTT_HTML:
835: curp->outdata = html_alloc(curp->outopts);
836: break;
837: case OUTT_UTF8:
838: curp->outdata = utf8_alloc(curp->outopts);
839: break;
840: case OUTT_LOCALE:
841: curp->outdata = locale_alloc(curp->outopts);
842: break;
843: case OUTT_ASCII:
844: curp->outdata = ascii_alloc(curp->outopts);
845: break;
846: case OUTT_PDF:
847: curp->outdata = pdf_alloc(curp->outopts);
848: break;
849: case OUTT_PS:
850: curp->outdata = ps_alloc(curp->outopts);
851: break;
852: default:
853: break;
1.51 schwarze 854: }
1.1 kristaps 855: }
856:
1.132 schwarze 857: static void
1.105 schwarze 858: passthrough(const char *file, int fd, int synopsis_only)
1.95 schwarze 859: {
1.105 schwarze 860: const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
861: const char synr[] = "SYNOPSIS";
862:
863: FILE *stream;
1.95 schwarze 864: const char *syscall;
1.164 schwarze 865: char *line, *cp;
866: size_t linesz;
1.180 schwarze 867: ssize_t len, written;
1.105 schwarze 868: int print;
1.116 schwarze 869:
1.164 schwarze 870: line = NULL;
871: linesz = 0;
1.105 schwarze 872:
1.180 schwarze 873: if (fflush(stdout) == EOF) {
874: syscall = "fflush";
875: goto fail;
876: }
877:
1.105 schwarze 878: if ((stream = fdopen(fd, "r")) == NULL) {
879: close(fd);
880: syscall = "fdopen";
881: goto fail;
882: }
1.95 schwarze 883:
1.105 schwarze 884: print = 0;
1.180 schwarze 885: while ((len = getline(&line, &linesz, stream)) != -1) {
1.164 schwarze 886: cp = line;
1.105 schwarze 887: if (synopsis_only) {
888: if (print) {
1.164 schwarze 889: if ( ! isspace((unsigned char)*cp))
1.105 schwarze 890: goto done;
1.180 schwarze 891: while (isspace((unsigned char)*cp)) {
1.164 schwarze 892: cp++;
1.180 schwarze 893: len--;
894: }
1.105 schwarze 895: } else {
1.164 schwarze 896: if (strcmp(cp, synb) == 0 ||
897: strcmp(cp, synr) == 0)
1.105 schwarze 898: print = 1;
899: continue;
900: }
901: }
1.180 schwarze 902: for (; len > 0; len -= written) {
903: if ((written = write(STDOUT_FILENO, cp, len)) != -1)
904: continue;
1.164 schwarze 905: fclose(stream);
1.180 schwarze 906: syscall = "write";
1.164 schwarze 907: goto fail;
908: }
1.105 schwarze 909: }
1.95 schwarze 910:
1.105 schwarze 911: if (ferror(stream)) {
912: fclose(stream);
1.164 schwarze 913: syscall = "getline";
1.105 schwarze 914: goto fail;
915: }
1.101 schwarze 916:
1.105 schwarze 917: done:
1.164 schwarze 918: free(line);
1.105 schwarze 919: fclose(stream);
1.132 schwarze 920: return;
1.95 schwarze 921:
922: fail:
1.164 schwarze 923: free(line);
1.152 schwarze 924: warn("%s: SYSERR: %s", file, syscall);
1.132 schwarze 925: if (rc < MANDOCLEVEL_SYSERR)
926: rc = MANDOCLEVEL_SYSERR;
1.103 schwarze 927: }
928:
929: static int
930: koptions(int *options, char *arg)
931: {
932:
933: if ( ! strcmp(arg, "utf-8")) {
934: *options |= MPARSE_UTF8;
935: *options &= ~MPARSE_LATIN1;
936: } else if ( ! strcmp(arg, "iso-8859-1")) {
937: *options |= MPARSE_LATIN1;
938: *options &= ~MPARSE_UTF8;
939: } else if ( ! strcmp(arg, "us-ascii")) {
940: *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
941: } else {
1.152 schwarze 942: warnx("-K %s: Bad argument", arg);
1.150 schwarze 943: return 0;
1.103 schwarze 944: }
1.150 schwarze 945: return 1;
1.95 schwarze 946: }
947:
1.189 schwarze 948: static void
1.87 schwarze 949: moptions(int *options, char *arg)
1.1 kristaps 950: {
951:
1.95 schwarze 952: if (arg == NULL)
1.189 schwarze 953: return;
954: if (strcmp(arg, "doc") == 0)
1.87 schwarze 955: *options |= MPARSE_MDOC;
1.189 schwarze 956: else if (strcmp(arg, "an") == 0)
1.87 schwarze 957: *options |= MPARSE_MAN;
1.1 kristaps 958: }
959:
960: static int
1.22 schwarze 961: toptions(struct curparse *curp, char *arg)
1.1 kristaps 962: {
963:
964: if (0 == strcmp(arg, "ascii"))
1.22 schwarze 965: curp->outtype = OUTT_ASCII;
966: else if (0 == strcmp(arg, "lint")) {
967: curp->outtype = OUTT_LINT;
1.196 schwarze 968: curp->mmin = MANDOCERR_BASE;
1.203 ! schwarze 969: mmsg_stream = stdout;
1.76 schwarze 970: } else if (0 == strcmp(arg, "tree"))
1.22 schwarze 971: curp->outtype = OUTT_TREE;
1.78 schwarze 972: else if (0 == strcmp(arg, "man"))
973: curp->outtype = OUTT_MAN;
1.17 schwarze 974: else if (0 == strcmp(arg, "html"))
1.22 schwarze 975: curp->outtype = OUTT_HTML;
1.188 schwarze 976: else if (0 == strcmp(arg, "markdown"))
977: curp->outtype = OUTT_MARKDOWN;
1.77 schwarze 978: else if (0 == strcmp(arg, "utf8"))
979: curp->outtype = OUTT_UTF8;
980: else if (0 == strcmp(arg, "locale"))
981: curp->outtype = OUTT_LOCALE;
1.36 schwarze 982: else if (0 == strcmp(arg, "ps"))
983: curp->outtype = OUTT_PS;
1.43 schwarze 984: else if (0 == strcmp(arg, "pdf"))
985: curp->outtype = OUTT_PDF;
1.1 kristaps 986: else {
1.152 schwarze 987: warnx("-T %s: Bad argument", arg);
1.150 schwarze 988: return 0;
1.1 kristaps 989: }
990:
1.150 schwarze 991: return 1;
1.1 kristaps 992: }
993:
994: static int
1.45 schwarze 995: woptions(struct curparse *curp, char *arg)
1.1 kristaps 996: {
1.10 schwarze 997: char *v, *o;
1.196 schwarze 998: const char *toks[11];
1.1 kristaps 999:
1.45 schwarze 1000: toks[0] = "stop";
1001: toks[1] = "all";
1.196 schwarze 1002: toks[2] = "base";
1003: toks[3] = "style";
1004: toks[4] = "warning";
1005: toks[5] = "error";
1006: toks[6] = "unsupp";
1007: toks[7] = "fatal";
1008: toks[8] = "openbsd";
1009: toks[9] = "netbsd";
1010: toks[10] = NULL;
1.1 kristaps 1011:
1.10 schwarze 1012: while (*arg) {
1013: o = arg;
1.176 schwarze 1014: switch (getsubopt(&arg, (char * const *)toks, &v)) {
1.90 schwarze 1015: case 0:
1.45 schwarze 1016: curp->wstop = 1;
1.1 kristaps 1017: break;
1.90 schwarze 1018: case 1:
1019: case 2:
1.196 schwarze 1020: curp->mmin = MANDOCERR_BASE;
1.193 schwarze 1021: break;
1022: case 3:
1.196 schwarze 1023: curp->mmin = MANDOCERR_STYLE;
1.1 kristaps 1024: break;
1.193 schwarze 1025: case 4:
1.196 schwarze 1026: curp->mmin = MANDOCERR_WARNING;
1.1 kristaps 1027: break;
1.193 schwarze 1028: case 5:
1.196 schwarze 1029: curp->mmin = MANDOCERR_ERROR;
1.123 schwarze 1030: break;
1.193 schwarze 1031: case 6:
1.196 schwarze 1032: curp->mmin = MANDOCERR_UNSUPP;
1033: break;
1034: case 7:
1035: curp->mmin = MANDOCERR_MAX;
1036: break;
1037: case 8:
1038: curp->mmin = MANDOCERR_BASE;
1039: curp->os_e = MANDOC_OS_OPENBSD;
1040: break;
1041: case 9:
1042: curp->mmin = MANDOCERR_BASE;
1043: curp->os_e = MANDOC_OS_NETBSD;
1.19 schwarze 1044: break;
1.1 kristaps 1045: default:
1.152 schwarze 1046: warnx("-W %s: Bad argument", o);
1.150 schwarze 1047: return 0;
1.1 kristaps 1048: }
1.10 schwarze 1049: }
1.150 schwarze 1050: return 1;
1.1 kristaps 1051: }
1052:
1.75 schwarze 1053: static void
1.90 schwarze 1054: mmsg(enum mandocerr t, enum mandoclevel lvl,
1.76 schwarze 1055: const char *file, int line, int col, const char *msg)
1.30 schwarze 1056: {
1.94 schwarze 1057: const char *mparse_msg;
1.45 schwarze 1058:
1.203 ! schwarze 1059: fprintf(mmsg_stream, "%s: %s:", getprogname(),
1.178 schwarze 1060: file == NULL ? "<stdin>" : file);
1.92 schwarze 1061:
1062: if (line)
1.203 ! schwarze 1063: fprintf(mmsg_stream, "%d:%d:", line, col + 1);
1.92 schwarze 1064:
1.203 ! schwarze 1065: fprintf(mmsg_stream, " %s", mparse_strlevel(lvl));
1.94 schwarze 1066:
1.196 schwarze 1067: if ((mparse_msg = mparse_strerror(t)) != NULL)
1.203 ! schwarze 1068: fprintf(mmsg_stream, ": %s", mparse_msg);
1.30 schwarze 1069:
1070: if (msg)
1.203 ! schwarze 1071: fprintf(mmsg_stream, ": %s", msg);
1.76 schwarze 1072:
1.203 ! schwarze 1073: fputc('\n', mmsg_stream);
1.95 schwarze 1074: }
1075:
1.130 schwarze 1076: static pid_t
1.149 schwarze 1077: spawn_pager(struct tag_files *tag_files)
1.95 schwarze 1078: {
1.172 schwarze 1079: const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1.95 schwarze 1080: #define MAX_PAGER_ARGS 16
1081: char *argv[MAX_PAGER_ARGS];
1082: const char *pager;
1083: char *cp;
1.144 schwarze 1084: size_t cmdlen;
1.95 schwarze 1085: int argc;
1.130 schwarze 1086: pid_t pager_pid;
1.95 schwarze 1087:
1.144 schwarze 1088: pager = getenv("MANPAGER");
1089: if (pager == NULL || *pager == '\0')
1090: pager = getenv("PAGER");
1091: if (pager == NULL || *pager == '\0')
1092: pager = "more -s";
1093: cp = mandoc_strdup(pager);
1094:
1095: /*
1096: * Parse the pager command into words.
1097: * Intentionally do not do anything fancy here.
1098: */
1099:
1100: argc = 0;
1101: while (argc + 4 < MAX_PAGER_ARGS) {
1102: argv[argc++] = cp;
1103: cp = strchr(cp, ' ');
1104: if (cp == NULL)
1105: break;
1106: *cp++ = '\0';
1107: while (*cp == ' ')
1108: cp++;
1109: if (*cp == '\0')
1110: break;
1111: }
1112:
1.149 schwarze 1113: /* For more(1) and less(1), use the tag file. */
1.144 schwarze 1114:
1.149 schwarze 1115: if ((cmdlen = strlen(argv[0])) >= 4) {
1.144 schwarze 1116: cp = argv[0] + cmdlen - 4;
1.149 schwarze 1117: if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) {
1118: argv[argc++] = mandoc_strdup("-T");
1119: argv[argc++] = tag_files->tfn;
1120: }
1.144 schwarze 1121: }
1.149 schwarze 1122: argv[argc++] = tag_files->ofn;
1.144 schwarze 1123: argv[argc] = NULL;
1124:
1.130 schwarze 1125: switch (pager_pid = fork()) {
1.95 schwarze 1126: case -1:
1.152 schwarze 1127: err((int)MANDOCLEVEL_SYSERR, "fork");
1.95 schwarze 1128: case 0:
1.129 schwarze 1129: break;
1130: default:
1.165 schwarze 1131: (void)setpgid(pager_pid, 0);
1.182 schwarze 1132: (void)tcsetpgrp(tag_files->ofd, pager_pid);
1.165 schwarze 1133: if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
1.163 schwarze 1134: err((int)MANDOCLEVEL_SYSERR, "pledge");
1.166 schwarze 1135: tag_files->pager_pid = pager_pid;
1.150 schwarze 1136: return pager_pid;
1.95 schwarze 1137: }
1138:
1.129 schwarze 1139: /* The child process becomes the pager. */
1.95 schwarze 1140:
1.152 schwarze 1141: if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
1142: err((int)MANDOCLEVEL_SYSERR, "pager stdout");
1.149 schwarze 1143: close(tag_files->ofd);
1144: close(tag_files->tfd);
1.172 schwarze 1145:
1146: /* Do not start the pager before controlling the terminal. */
1147:
1.182 schwarze 1148: while (tcgetpgrp(STDOUT_FILENO) != getpid())
1.172 schwarze 1149: nanosleep(&timeout, NULL);
1150:
1.95 schwarze 1151: execvp(argv[0], argv);
1.152 schwarze 1152: err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
1.30 schwarze 1153: }
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