1 /* Command line parsing.
2 Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002
3 Free Software Foundation, Inc.
5 This file is part of GNU Wget.
7 GNU Wget is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GNU Wget is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Wget; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 In addition, as a special exception, the Free Software Foundation
22 gives permission to link the code of its release of Wget with the
23 OpenSSL project's "OpenSSL" library (or with modified versions of it
24 that use the same license as the "OpenSSL" library), and distribute
25 the linked executables. You must obey the GNU General Public License
26 in all respects for all of the code used other than "OpenSSL". If you
27 modify this file, you may extend this exception to your version of the
28 file, but you are not obligated to do so. If you do not wish to do
29 so, delete this exception statement from your version. */
37 #endif /* HAVE_UNISTD_H */
38 #include <sys/types.h>
43 #endif /* HAVE_STRING_H */
50 #endif /* HAVE_LOCALE_H */
67 #include "progress.h" /* for progress_handle_sigwinch */
70 /* On GNU system this will include system-wide getopt.h. */
73 #ifndef PATH_SEPARATOR
74 # define PATH_SEPARATOR '/'
79 extern LARGE_INT total_downloaded_bytes;
80 extern char *version_string;
82 extern struct cookie_jar *wget_cookie_jar;
85 void log_init PARAMS ((const char *, int));
86 void log_close PARAMS ((void));
87 void log_request_redirect_output PARAMS ((const char *));
89 static RETSIGTYPE redirect_output_signal PARAMS ((int));
91 const char *exec_name;
93 /* Initialize I18N. The initialization amounts to invoking
94 setlocale(), bindtextdomain() and textdomain().
95 Does nothing if NLS is disabled or missing. */
97 i18n_initialize (void)
99 /* If HAVE_NLS is defined, assume the existence of the three
100 functions invoked here. */
102 /* Set the current locale. */
103 /* Here we use LC_MESSAGES instead of LC_ALL, for two reasons.
104 First, message catalogs are all of I18N Wget uses anyway.
105 Second, setting LC_ALL has a dangerous potential of messing
106 things up. For example, when in a foreign locale, Solaris
107 strptime() fails to handle international dates correctly, which
108 makes http_atotm() malfunction. */
110 setlocale (LC_MESSAGES, "");
111 setlocale (LC_CTYPE, "");
113 setlocale (LC_ALL, "");
115 /* Set the text message domain. */
116 bindtextdomain ("wget", LOCALEDIR);
118 #endif /* HAVE_NLS */
121 /* Definition of command-line options. */
126 # define IF_SSL(x) NULL
130 # define IF_DEBUG(x) x
132 # define IF_DEBUG(x) NULL
135 struct cmdline_option {
136 const char *long_name;
141 /* Non-standard options that have to be handled specially in
151 const char *handle_cmd; /* for standard options */
152 int argtype; /* for non-standard options */
155 struct cmdline_option option_data[] =
157 { "accept", 'A', OPT_VALUE, "accept", -1 },
158 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
159 { "background", 'b', OPT_BOOLEAN, "background", -1 },
160 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
161 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
162 { "base", 'B', OPT_VALUE, "base", -1 },
163 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
164 { "cache", 'C', OPT_BOOLEAN, "cache", -1 },
165 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
166 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
167 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
168 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
169 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
170 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
171 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
172 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
173 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
174 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
175 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
176 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
177 { "domains", 'D', OPT_VALUE, "domains", -1 },
178 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
179 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
180 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
181 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
182 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
183 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
184 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
185 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
186 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
187 { "glob", 'g', OPT_BOOLEAN, "glob", -1 },
188 { "header", 0, OPT_VALUE, "header", -1 },
189 { "help", 'h', OPT__HELP, NULL, no_argument },
190 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
191 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
192 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
193 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
194 { "http-passwd", 0, OPT_VALUE, "httppasswd", -1 },
195 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
196 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
197 { "ignore-tags", 'G', OPT_VALUE, "ignoretags", -1 },
198 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
199 { "input-file", 'i', OPT_VALUE, "input", -1 },
200 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
201 { "level", 'l', OPT_VALUE, "reclevel", -1 },
202 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
203 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
204 { "mirror", 'm', OPT_BOOLEAN, NULL, -1 },
205 { "no", 'n', OPT__NO, NULL, required_argument },
206 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
207 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
208 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
209 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
210 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
211 { "parent", 0, OPT__PARENT, NULL, optional_argument },
212 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
213 { "post-data", 0, OPT_VALUE, "postdata", -1 },
214 { "post-file", 0, OPT_VALUE, "postfile", -1 },
215 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
216 { "progress", 0, OPT_VALUE, "progress", -1 },
217 { "proxy", 'Y', OPT_BOOLEAN, "useproxy", -1 },
218 { "proxy-passwd", 0, OPT_VALUE, "proxypasswd", -1 },
219 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
220 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
221 { "quota", 'Q', OPT_VALUE, "quota", -1 },
222 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
223 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
224 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
225 { "referer", 0, OPT_VALUE, "referer", -1 },
226 { "reject", 'R', OPT_VALUE, "reject", -1 },
227 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
228 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
229 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
230 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
231 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
232 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
233 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
234 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
235 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
236 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
237 { IF_SSL ("sslcadir"), 0, OPT_VALUE, "sslcadir", -1 },
238 { IF_SSL ("sslcafile"), 0, OPT_VALUE, "sslcafile", -1 },
239 { IF_SSL ("sslcertfile"), 0, OPT_VALUE, "sslcertfile", -1 },
240 { IF_SSL ("sslcertkey"), 0, OPT_VALUE, "sslcertkey", -1 },
241 { IF_SSL ("sslcerttype"), 0, OPT_VALUE, "sslcerttype", -1 },
242 { IF_SSL ("sslcheckcert"), 0, OPT_VALUE, "sslcheckcert", -1 },
243 { IF_SSL ("sslprotocol"), 0, OPT_VALUE, "sslprotocol", -1 },
244 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
245 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
246 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
247 { "tries", 't', OPT_VALUE, "tries", -1 },
248 { "use-proxy", 'Y', OPT_BOOLEAN, "useproxy", -1 },
249 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
250 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
251 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
252 { "version", 'V', OPT__VERSION, "version", no_argument },
253 { "wait", 'w', OPT_VALUE, "wait", -1 },
254 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
261 no_prefix (const char *s)
263 static char buffer[1024];
264 static char *p = buffer;
267 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
269 if (p + size >= buffer + sizeof (buffer))
280 /* The arguments that that main passes to getopt_long. */
281 static struct option long_options[2 * countof (option_data) + 1];
282 static char short_options[128];
284 /* Mapping between short option chars and option_data indices. */
285 static unsigned char optmap[96];
287 /* Marker for `--no-FOO' values in long_options. */
288 #define BOOLEAN_NEG_MARKER 1024
293 char *p = short_options;
295 for (i = 0; i < countof (option_data); i++)
297 struct cmdline_option *opt = &option_data[i];
298 struct option *longopt;
301 /* The option is disabled. */
304 longopt = &long_options[o++];
305 longopt->name = opt->long_name;
309 *p++ = opt->short_name;
310 optmap[opt->short_name - 32] = longopt - long_options;
315 longopt->has_arg = required_argument;
320 /* Don't specify optional arguments for boolean short
321 options. They are evil because they prevent combining of
323 longopt->has_arg = optional_argument;
324 /* For Boolean options, add the "--no-FOO" variant, which is
325 identical to "--foo", except it has opposite meaning and
326 it doesn't allow an argument. */
327 longopt = &long_options[o++];
328 longopt->name = no_prefix (opt->long_name);
329 longopt->has_arg = no_argument;
330 /* Mask the value so we'll be able to recognize that we're
331 dealing with the false value. */
332 longopt->val = i | BOOLEAN_NEG_MARKER;
335 assert (opt->argtype != -1);
336 longopt->has_arg = opt->argtype;
339 if (longopt->has_arg == required_argument)
341 /* Don't handle optional_argument */
345 xzero (long_options[o]);
349 /* Print the usage message. */
353 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
356 /* Print the help message, describing all the available options. If
357 you add an option, be sure to update this list. */
361 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
364 /* Had to split this in parts, so the #@@#%# Ultrix compiler and cpp
365 don't bitch. Also, it makes translation much easier. */
368 Mandatory arguments to long options are mandatory for short options too.\n\
372 -V, --version display the version of Wget and exit.\n\
373 -h, --help print this help.\n\
374 -b, --background go to background after startup.\n\
375 -e, --execute=COMMAND execute a `.wgetrc\'-style command.\n\
378 Logging and input file:\n\
379 -o, --output-file=FILE log messages to FILE.\n\
380 -a, --append-output=FILE append messages to FILE.\n\
381 -d, --debug print debug output.\n\
382 -q, --quiet quiet (no output).\n\
383 -v, --verbose be verbose (this is the default).\n\
384 -nv, --non-verbose turn off verboseness, without being quiet.\n\
385 -i, --input-file=FILE download URLs found in FILE.\n\
386 -F, --force-html treat input file as HTML.\n\
387 -B, --base=URL prepends URL to relative links in -F -i file.\n\
391 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n\
392 --retry-connrefused retry even if connection is refused.\n\
393 -O --output-document=FILE write documents to FILE.\n\
394 -nc, --no-clobber don\'t clobber existing files or use .# suffixes.\n\
395 -c, --continue resume getting a partially-downloaded file.\n\
396 --progress=TYPE select progress gauge type.\n\
397 -N, --timestamping don\'t re-retrieve files unless newer than local.\n\
398 -S, --server-response print server response.\n\
399 --spider don\'t download anything.\n\
400 -T, --timeout=SECONDS set all timeout values to SECONDS.\n\
401 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n\
402 --connect-timeout=SECS set the connect timeout to SECS.\n\
403 --read-timeout=SECS set the read timeout to SECS.\n\
404 -w, --wait=SECONDS wait SECONDS between retrievals.\n\
405 --waitretry=SECONDS wait 1...SECONDS between retries of a retrieval.\n\
406 --random-wait wait from 0...2*WAIT secs between retrievals.\n\
407 -Y, --proxy=on/off turn proxy on or off.\n\
408 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n\
409 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n\
410 --limit-rate=RATE limit download rate to RATE.\n\
411 --dns-cache=off disable caching DNS lookups.\n\
412 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n\
416 -nd, --no-directories don\'t create directories.\n\
417 -x, --force-directories force creation of directories.\n\
418 -nH, --no-host-directories don\'t create host directories.\n\
419 -P, --directory-prefix=PREFIX save files to PREFIX/...\n\
420 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n\
424 --http-user=USER set http user to USER.\n\
425 --http-passwd=PASS set http password to PASS.\n\
426 -C, --cache=on/off (dis)allow server-cached data (normally allowed).\n\
427 -E, --html-extension save all text/html documents with .html extension.\n\
428 --ignore-length ignore `Content-Length\' header field.\n\
429 --header=STRING insert STRING among the headers.\n\
430 --proxy-user=USER set USER as proxy username.\n\
431 --proxy-passwd=PASS set PASS as proxy password.\n\
432 --referer=URL include `Referer: URL\' header in HTTP request.\n\
433 -s, --save-headers save the HTTP headers to file.\n\
434 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n\
435 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n\
436 --cookies=off don't use cookies.\n\
437 --load-cookies=FILE load cookies from FILE before session.\n\
438 --save-cookies=FILE save cookies to FILE after session.\n\
439 --keep-session-cookies load and save session (non-permanent) cookies.\n\
440 --post-data=STRING use the POST method; send STRING as the data.\n\
441 --post-file=FILE use the POST method; send contents of FILE.\n\
445 HTTPS (SSL) options:\n\
446 --sslcertfile=FILE optional client certificate.\n\
447 --sslcertkey=KEYFILE optional keyfile for this certificate.\n\
448 --egd-file=FILE file name of the EGD socket.\n\
449 --sslcadir=DIR dir where hash list of CA's are stored.\n\
450 --sslcafile=FILE file with bundle of CA's\n\
451 --sslcerttype=0/1 Client-Cert type 0=PEM (default) / 1=ASN1 (DER)\n\
452 --sslcheckcert=0/1 Check the server cert agenst given CA\n\
453 --sslprotocol=0-3 choose SSL protocol; 0=automatic,\n\
454 1=SSLv2 2=SSLv3 3=TLSv1\n\
459 -nr, --dont-remove-listing don\'t remove `.listing\' files.\n\
460 -g, --glob=on/off turn file name globbing on or off.\n\
461 --passive-ftp use the \"passive\" transfer mode.\n\
462 --retr-symlinks when recursing, get linked-to files (not dirs).\n\
465 Recursive retrieval:\n\
466 -r, --recursive recursive download.\n\
467 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n\
468 --delete-after delete files locally after downloading them.\n\
469 -k, --convert-links convert non-relative links to relative.\n\
470 -K, --backup-converted before converting file X, back up as X.orig.\n\
471 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n\
472 -p, --page-requisites get all images, etc. needed to display HTML page.\n\
473 --strict-comments turn on strict (SGML) handling of HTML comments.\n\
474 --preserve-permissions preserve remote file permissions.\n\
477 Recursive accept/reject:\n\
478 -A, --accept=LIST comma-separated list of accepted extensions.\n\
479 -R, --reject=LIST comma-separated list of rejected extensions.\n\
480 -D, --domains=LIST comma-separated list of accepted domains.\n\
481 --exclude-domains=LIST comma-separated list of rejected domains.\n\
482 --follow-ftp follow FTP links from HTML documents.\n\
483 --follow-tags=LIST comma-separated list of followed HTML tags.\n\
484 -G, --ignore-tags=LIST comma-separated list of ignored HTML tags.\n\
485 -H, --span-hosts go to foreign hosts when recursive.\n\
486 -L, --relative follow relative links only.\n\
487 -I, --include-directories=LIST list of allowed directories.\n\
488 -X, --exclude-directories=LIST list of excluded directories.\n\
489 -np, --no-parent don\'t ascend to the parent directory.\n\
491 fputs (_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n"),
496 main (int argc, char *const *argv)
499 int i, ret, longindex;
501 int append_to_log = 0;
505 /* Construct the name of the executable, without the directory part. */
506 exec_name = strrchr (argv[0], PATH_SEPARATOR);
513 windows_main_junk (&argc, (char **) argv, (char **) &exec_name);
516 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
521 while ((ret = getopt_long (argc, argv,
522 short_options, long_options, &longindex)) != -1)
525 struct cmdline_option *opt;
530 printf (_("Try `%s --help' for more options.\n"), exec_name);
534 /* If LONGINDEX is unchanged, it means RET is referring a short
535 option. Look it up in the mapping table. */
537 longindex = optmap[ret - 32];
538 val = long_options[longindex].val;
540 /* Use the retrieved value to locate the option in the
541 option_data array, and to see if we're dealing with the
542 negated "--no-FOO" variant of the boolean option "--foo". */
543 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
547 setoptval (opt->handle_cmd, optarg);
551 /* The user has specified a value -- use it. */
552 setoptval (opt->handle_cmd, optarg);
555 /* NEG is true for `--no-FOO' style boolean options. */
556 int neg = val & BOOLEAN_NEG_MARKER;
557 setoptval (opt->handle_cmd, neg ? "0" : "1");
560 case OPT__APPEND_OUTPUT:
561 setoptval ("logfile", optarg);
572 run_command (optarg);
576 /* We support real --no-FOO flags now, but keep these
577 short options for convenience and backward
580 for (p = optarg; *p; p++)
584 setoptval ("verbose", "0");
587 setoptval ("addhostdir", "0");
590 setoptval ("dirstruct", "0");
593 setoptval ("noclobber", "1");
596 setoptval ("noparent", "1");
599 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
602 printf (_("Try `%s --help\' for more options.\n"), exec_name);
610 /* The wgetrc commands are named noparent and noclobber,
611 so we must revert the meaning of the cmdline options
612 before passing the value to setoptval. */
615 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
616 || (TOLOWER (optarg[0]) == 'o'
617 && TOLOWER (optarg[1]) == 'n'));
618 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
623 printf ("GNU Wget %s\n\n", version_string);
625 Copyright (C) 2003 Free Software Foundation, Inc.\n"));
627 This program is distributed in the hope that it will be useful,\n\
628 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
629 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
630 GNU General Public License for more details.\n"));
631 printf (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"));
639 /* All user options have now been processed, so it's now safe to do
640 interoption dependency checks. */
642 if (opt.reclevel == 0)
643 opt.reclevel = INFINITE_RECURSION; /* see wget.h for commentary on this */
645 if (opt.page_requisites && !opt.recursive)
647 /* Don't set opt.recursive here because it would confuse the FTP
648 code. Instead, call retrieve_tree below when either
649 page_requisites or recursive is requested. */
651 if (!opt.no_dirstruct)
652 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
655 if (opt.verbose == -1)
656 opt.verbose = !opt.quiet;
659 if (opt.verbose && opt.quiet)
661 printf (_("Can't be verbose and quiet at the same time.\n"));
665 if (opt.timestamping && opt.noclobber)
668 Can't timestamp and not clobber old files at the same time.\n"));
672 nurl = argc - optind;
673 if (!nurl && !opt.input_filename)
675 /* No URL specified. */
676 printf (_("%s: missing URL\n"), exec_name);
679 /* #### Something nicer should be printed here -- similar to the
680 pre-1.5 `--help' page. */
681 printf (_("Try `%s --help' for more options.\n"), exec_name);
686 fork_to_background ();
688 /* Initialize progress. Have to do this after the options are
689 processed so we know where the log file is. */
691 set_progress_implementation (opt.progress_type);
693 /* Fill in the arguments. */
694 url = alloca_array (char *, nurl + 1);
695 for (i = 0; i < nurl; i++, optind++)
697 char *rewritten = rewrite_shorthand_url (argv[optind]);
701 url[i] = xstrdup (argv[optind]);
705 /* Change the title of console window on Windows. #### I think this
706 statement should belong to retrieve_url(). --hniksic. */
708 ws_changetitle (*url, nurl);
711 /* Initialize logging. */
712 log_init (opt.lfilename, append_to_log);
714 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
717 /* Open the output filename if necessary. */
718 if (opt.output_document)
720 if (HYPHENP (opt.output_document))
725 opt.dfp = fopen (opt.output_document, opt.always_rest ? "ab" : "wb");
728 perror (opt.output_document);
731 if (fstat (fileno (opt.dfp), &st) == 0 && S_ISREG (st.st_mode))
732 opt.od_known_regular = 1;
740 /* Setup the signal handler to redirect output when hangup is
743 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
744 signal(SIGHUP, redirect_output_signal);
745 /* ...and do the same for SIGUSR1. */
746 signal (SIGUSR1, redirect_output_signal);
747 /* Writing to a closed socket normally signals SIGPIPE, and the
748 process exits. What we want is to ignore SIGPIPE and just check
749 for the return value of write(). */
750 signal (SIGPIPE, SIG_IGN);
752 signal (SIGWINCH, progress_handle_sigwinch);
754 #endif /* HAVE_SIGNAL */
756 status = RETROK; /* initialize it, just-in-case */
757 /* Retrieve the URLs from argument list. */
758 for (t = url; *t; t++)
760 char *filename = NULL, *redirected_URL = NULL;
763 if ((opt.recursive || opt.page_requisites)
764 && url_scheme (*t) != SCHEME_FTP)
765 status = retrieve_tree (*t);
767 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
769 if (opt.delete_after && file_exists_p(filename))
771 DEBUGP (("Removing file due to --delete-after in main():\n"));
772 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
773 if (unlink (filename))
774 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
777 xfree_null (redirected_URL);
778 xfree_null (filename);
781 /* And then from the input file, if any. */
782 if (opt.input_filename)
785 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
787 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
790 /* Print the downloaded sum. */
791 if (opt.recursive || opt.page_requisites
793 || (opt.input_filename && total_downloaded_bytes != 0))
795 logprintf (LOG_NOTQUIET,
796 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
797 time_str (NULL), legible_large_int (total_downloaded_bytes),
799 /* Print quota warning, if exceeded. */
800 if (opt.quota && total_downloaded_bytes > opt.quota)
801 logprintf (LOG_NOTQUIET,
802 _("Download quota (%s bytes) EXCEEDED!\n"),
803 legible (opt.quota));
806 if (opt.cookies_output && wget_cookie_jar)
807 cookie_jar_save (wget_cookie_jar, opt.cookies_output);
809 if (opt.convert_links && !opt.delete_after)
810 convert_all_links ();
813 for (i = 0; i < nurl; i++)
818 print_malloc_debug_stats ();
820 if (status == RETROK)
827 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
828 will proceed operation as usual, trying to write into a log file.
829 If that is impossible, the output will be turned off.
831 #### It is unsafe to do call libc functions from a signal handler.
832 What we should do is, set a global variable, and have the code in
836 redirect_output_signal (int sig)
838 char *signal_name = (sig == SIGHUP ? "SIGHUP" :
839 (sig == SIGUSR1 ? "SIGUSR1" :
841 log_request_redirect_output (signal_name);
842 progress_schedule_redirect ();
843 signal (sig, redirect_output_signal);
845 #endif /* HAVE_SIGNAL */