1 /* Command line parsing.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>.
20 Additional permission under GNU GPL version 3 section 7
22 If you modify this program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a
24 modified version of that library), containing parts covered by the
25 terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26 grants you additional permission to convey the resulting work.
27 Corresponding Source for a non-source form of such a combination
28 shall include the source code for the parts of OpenSSL used as well
29 as that of the covered work. */
31 #define USE_GNULIB_ALLOC
39 #endif /* HAVE_UNISTD_H */
55 #include "progress.h" /* for progress_handle_sigwinch */
58 #include "http.h" /* for save_cookies */
62 #ifndef PATH_SEPARATOR
63 # define PATH_SEPARATOR '/'
68 extern char *version_string;
70 #if defined(SIGHUP) || defined(SIGUSR1)
71 static void redirect_output_signal (int);
74 const char *exec_name;
77 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
78 setting up gettext's message catalog using bindtextdomain and
79 textdomain. Does nothing if NLS is disabled or missing. */
82 i18n_initialize (void)
84 /* ENABLE_NLS implies existence of functions invoked here. */
86 /* Set the current locale. */
87 setlocale (LC_ALL, "");
88 /* Set the text message domain. */
89 bindtextdomain ("wget", LOCALEDIR);
91 #endif /* ENABLE_NLS */
94 /* Definition of command-line options. */
96 static void print_help (void);
97 static void print_version (void);
102 # define IF_SSL(x) NULL
106 # define WHEN_DEBUG(x) x
108 # define WHEN_DEBUG(x) NULL
111 struct cmdline_option {
112 const char *long_name;
118 /* Non-standard options that have to be handled specially in
122 OPT__DONT_REMOVE_LISTING,
127 const void *data; /* for standard options */
128 int argtype; /* for non-standard options */
131 static struct cmdline_option option_data[] =
133 { "accept", 'A', OPT_VALUE, "accept", -1 },
134 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
135 { "auth-no-challenge", 0, OPT_BOOLEAN, "authnochallenge", -1 },
136 { "background", 'b', OPT_BOOLEAN, "background", -1 },
137 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
138 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
139 { "base", 'B', OPT_VALUE, "base", -1 },
140 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
141 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
142 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
143 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
144 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
145 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
146 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
147 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
148 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
149 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
150 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
151 { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
152 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
153 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
154 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
155 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
156 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
157 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
158 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
159 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
160 { "domains", 'D', OPT_VALUE, "domains", -1 },
161 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
162 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
163 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
164 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
165 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
166 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
167 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
168 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
169 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
170 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
171 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
172 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
173 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
174 { "header", 0, OPT_VALUE, "header", -1 },
175 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
176 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
177 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
178 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
179 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
180 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
181 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
182 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
183 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
184 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
185 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
186 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
188 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
189 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
191 { "input-file", 'i', OPT_VALUE, "input", -1 },
192 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
193 { "level", 'l', OPT_VALUE, "reclevel", -1 },
194 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
195 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
196 { "max-redirect", 0, OPT_VALUE, "maxredirect", -1 },
197 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
198 { "no", 'n', OPT__NO, NULL, required_argument },
199 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
200 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
201 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
202 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
203 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
204 { "parent", 0, OPT__PARENT, NULL, optional_argument },
205 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
206 { "password", 0, OPT_VALUE, "password", -1 },
207 { "post-data", 0, OPT_VALUE, "postdata", -1 },
208 { "post-file", 0, OPT_VALUE, "postfile", -1 },
209 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
210 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
211 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
212 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
213 { "progress", 0, OPT_VALUE, "progress", -1 },
214 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
215 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
216 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
217 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
218 { "proxy-password", 0, OPT_VALUE, "proxypassword", -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-file", 0, OPT_VALUE, "randomfile", -1 },
223 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
224 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
225 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
226 { "referer", 0, OPT_VALUE, "referer", -1 },
227 { "reject", 'R', OPT_VALUE, "reject", -1 },
228 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
229 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
230 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
231 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
232 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
233 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
234 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
235 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
236 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
237 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
238 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
239 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
240 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
241 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
242 { "tries", 't', OPT_VALUE, "tries", -1 },
243 { "user", 0, OPT_VALUE, "user", -1 },
244 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
245 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
246 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
247 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
248 { "wait", 'w', OPT_VALUE, "wait", -1 },
249 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
251 { "wdebug", 0, OPT_BOOLEAN, "wdebug", -1 },
258 /* Return a string that contains S with "no-" prepended. The string
259 is NUL-terminated and allocated off static storage at Wget
263 no_prefix (const char *s)
265 static char buffer[1024];
266 static char *p = buffer;
269 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
270 if (p + size >= buffer + sizeof (buffer))
273 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
279 /* The arguments that that main passes to getopt_long. */
280 static struct option long_options[2 * countof (option_data) + 1];
281 static char short_options[128];
283 /* Mapping between short option chars and option_data indices. */
284 static unsigned char optmap[96];
286 /* Marker for `--no-FOO' values in long_options. */
287 #define BOOLEAN_NEG_MARKER 1024
289 /* Initialize the long_options array used by getopt_long from the data
295 char *p = short_options;
297 for (i = 0; i < countof (option_data); i++)
299 struct cmdline_option *opt = &option_data[i];
300 struct option *longopt;
303 /* The option is disabled. */
306 longopt = &long_options[o++];
307 longopt->name = opt->long_name;
311 *p++ = opt->short_name;
312 optmap[opt->short_name - 32] = longopt - long_options;
317 longopt->has_arg = required_argument;
322 /* Specify an optional argument for long options, so that
323 --option=off works the same as --no-option, for
324 compatibility with pre-1.10 Wget. However, don't specify
325 optional arguments short-option booleans because they
326 prevent combining of short options. */
327 longopt->has_arg = optional_argument;
328 /* For Boolean options, add the "--no-FOO" variant, which is
329 identical to "--foo", except it has opposite meaning and
330 it doesn't allow an argument. */
331 longopt = &long_options[o++];
332 longopt->name = no_prefix (opt->long_name);
333 longopt->has_arg = no_argument;
334 /* Mask the value so we'll be able to recognize that we're
335 dealing with the false value. */
336 longopt->val = i | BOOLEAN_NEG_MARKER;
339 assert (opt->argtype != -1);
340 longopt->has_arg = opt->argtype;
343 if (longopt->has_arg == required_argument)
345 /* Don't handle optional_argument */
349 /* Terminate short_options. */
351 /* No need for xzero(long_options[o]) because its storage is static
352 and it will be zeroed by default. */
353 assert (o <= countof (long_options));
356 /* Print the usage message. */
360 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
363 /* Print the help message, describing all the available options. If
364 you add an option, be sure to update this list. */
368 /* We split the help text this way to ease translation of individual
370 static const char *help[] = {
373 Mandatory arguments to long options are mandatory for short options too.\n\n"),
377 -V, --version display the version of Wget and exit.\n"),
379 -h, --help print this help.\n"),
381 -b, --background go to background after startup.\n"),
383 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
387 Logging and input file:\n"),
389 -o, --output-file=FILE log messages to FILE.\n"),
391 -a, --append-output=FILE append messages to FILE.\n"),
394 -d, --debug print lots of debugging information.\n"),
398 --wdebug print Watt-32 debug output.\n"),
401 -q, --quiet quiet (no output).\n"),
403 -v, --verbose be verbose (this is the default).\n"),
405 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
407 -i, --input-file=FILE download URLs found in FILE.\n"),
409 -F, --force-html treat input file as HTML.\n"),
411 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
417 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
419 --retry-connrefused retry even if connection is refused.\n"),
421 -O, --output-document=FILE write documents to FILE.\n"),
423 -nc, --no-clobber skip downloads that would download to\n\
426 -c, --continue resume getting a partially-downloaded file.\n"),
428 --progress=TYPE select progress gauge type.\n"),
430 -N, --timestamping don't re-retrieve files unless newer than\n\
433 -S, --server-response print server response.\n"),
435 --spider don't download anything.\n"),
437 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
439 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
441 --connect-timeout=SECS set the connect timeout to SECS.\n"),
443 --read-timeout=SECS set the read timeout to SECS.\n"),
445 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
447 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
449 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
451 --no-proxy explicitly turn off proxy.\n"),
453 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
455 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
457 --limit-rate=RATE limit download rate to RATE.\n"),
459 --no-dns-cache disable caching DNS lookups.\n"),
461 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
463 --ignore-case ignore case when matching files/directories.\n"),
466 -4, --inet4-only connect only to IPv4 addresses.\n"),
468 -6, --inet6-only connect only to IPv6 addresses.\n"),
470 --prefer-family=FAMILY connect first to addresses of specified family,\n\
471 one of IPv6, IPv4, or none.\n"),
474 --user=USER set both ftp and http user to USER.\n"),
476 --password=PASS set both ftp and http password to PASS.\n"),
482 -nd, --no-directories don't create directories.\n"),
484 -x, --force-directories force creation of directories.\n"),
486 -nH, --no-host-directories don't create host directories.\n"),
488 --protocol-directories use protocol name in directories.\n"),
490 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
492 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
498 --http-user=USER set http user to USER.\n"),
500 --http-password=PASS set http password to PASS.\n"),
502 --no-cache disallow server-cached data.\n"),
504 -E, --html-extension save HTML documents with `.html' extension.\n"),
506 --ignore-length ignore `Content-Length' header field.\n"),
508 --header=STRING insert STRING among the headers.\n"),
510 --max-redirect maximum redirections allowed per page.\n"),
512 --proxy-user=USER set USER as proxy username.\n"),
514 --proxy-password=PASS set PASS as proxy password.\n"),
516 --referer=URL include `Referer: URL' header in HTTP request.\n"),
518 --save-headers save the HTTP headers to file.\n"),
520 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
522 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
524 --no-cookies don't use cookies.\n"),
526 --load-cookies=FILE load cookies from FILE before session.\n"),
528 --save-cookies=FILE save cookies to FILE after session.\n"),
530 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
532 --post-data=STRING use the POST method; send STRING as the data.\n"),
534 --post-file=FILE use the POST method; send contents of FILE.\n"),
536 --content-disposition honor the Content-Disposition header when\n\
537 choosing local file names (EXPERIMENTAL).\n"),
539 --auth-no-challenge Send Basic HTTP authentication information\n\
540 without first waiting for the server's\n\
546 HTTPS (SSL/TLS) options:\n"),
548 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
549 SSLv3, and TLSv1.\n"),
551 --no-check-certificate don't validate the server's certificate.\n"),
553 --certificate=FILE client certificate file.\n"),
555 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
557 --private-key=FILE private key file.\n"),
559 --private-key-type=TYPE private key type, PEM or DER.\n"),
561 --ca-certificate=FILE file with the bundle of CA's.\n"),
563 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
565 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
567 --egd-file=FILE file naming the EGD socket with random data.\n"),
569 #endif /* HAVE_SSL */
574 --ftp-user=USER set ftp user to USER.\n"),
576 --ftp-password=PASS set ftp password to PASS.\n"),
578 --no-remove-listing don't remove `.listing' files.\n"),
580 --no-glob turn off FTP file name globbing.\n"),
582 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
584 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
586 --preserve-permissions preserve remote file permissions.\n"),
590 Recursive download:\n"),
592 -r, --recursive specify recursive download.\n"),
594 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
596 --delete-after delete files locally after downloading them.\n"),
598 -k, --convert-links make links in downloaded HTML point to local files.\n"),
600 -K, --backup-converted before converting file X, back up as X.orig.\n"),
602 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
604 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
606 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
610 Recursive accept/reject:\n"),
612 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
614 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
616 -D, --domains=LIST comma-separated list of accepted domains.\n"),
618 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
620 --follow-ftp follow FTP links from HTML documents.\n"),
622 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
624 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
626 -H, --span-hosts go to foreign hosts when recursive.\n"),
628 -L, --relative follow relative links only.\n"),
630 -I, --include-directories=LIST list of allowed directories.\n"),
632 -X, --exclude-directories=LIST list of excluded directories.\n"),
634 -np, --no-parent don't ascend to the parent directory.\n"),
637 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
642 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
646 for (i = 0; i < countof (help); i++)
647 fputs (_(help[i]), stdout);
652 /* Return a human-readable printed representation of INTERVAL,
653 measured in seconds. */
656 secs_to_human_time (double interval)
659 int secs = (int) (interval + 0.5);
660 int hours, mins, days;
662 days = secs / 86400, secs %= 86400;
663 hours = secs / 3600, secs %= 3600;
664 mins = secs / 60, secs %= 60;
667 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
669 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
671 sprintf (buf, "%dm %ds", mins, secs);
673 sprintf (buf, "%ss", print_decimal (interval));
681 printf ("GNU Wget %s\n\n", version_string);
682 /* TRANSLATORS: When available, an actual copyright character
683 (cirle-c) should be used in preference to "(C)". */
685 Copyright (C) 2008 Free Software Foundation, Inc.\n"), stdout);
687 License GPLv3+: GNU GPL version 3 or later\n\
688 <http://www.gnu.org/licenses/gpl.html>.\n\
689 This is free software: you are free to change and redistribute it.\n\
690 There is NO WARRANTY, to the extent permitted by law.\n"), stdout);
691 /* TRANSLATORS: When available, please use the proper diacritics for
692 names such as this one. See en_US.po for reference. */
693 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
695 fputs (_("Currently maintained by Micah Cowan <micah@cowan.name>.\n"),
702 main (int argc, char **argv)
705 int i, ret, longindex;
707 bool append_to_log = false;
711 /* Construct the name of the executable, without the directory part. */
712 exec_name = strrchr (argv[0], PATH_SEPARATOR);
719 /* Drop extension (typically .EXE) from executable filename. */
720 windows_main ((char **) &exec_name);
723 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
728 while ((ret = getopt_long (argc, argv,
729 short_options, long_options, &longindex)) != -1)
732 struct cmdline_option *opt;
734 /* If LONGINDEX is unchanged, it means RET is referring a short
742 printf (_("Try `%s --help' for more options.\n"), exec_name);
745 /* Find the short option character in the mapping. */
746 longindex = optmap[ret - 32];
748 val = long_options[longindex].val;
750 /* Use the retrieved value to locate the option in the
751 option_data array, and to see if we're dealing with the
752 negated "--no-FOO" variant of the boolean option "--foo". */
753 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
757 setoptval (opt->data, optarg, opt->long_name);
761 /* The user has specified a value -- use it. */
762 setoptval (opt->data, optarg, opt->long_name);
765 /* NEG is true for `--no-FOO' style boolean options. */
766 bool neg = !!(val & BOOLEAN_NEG_MARKER);
767 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
772 void (*func) (void) = (void (*) (void)) opt->data;
776 case OPT__APPEND_OUTPUT:
777 setoptval ("logfile", optarg, opt->long_name);
778 append_to_log = true;
781 run_command (optarg);
785 /* We support real --no-FOO flags now, but keep these
786 short options for convenience and backward
789 for (p = optarg; *p; p++)
793 setoptval ("verbose", "0", opt->long_name);
796 setoptval ("addhostdir", "0", opt->long_name);
799 setoptval ("dirstruct", "0", opt->long_name);
802 setoptval ("noclobber", "1", opt->long_name);
805 setoptval ("noparent", "1", opt->long_name);
808 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
811 printf (_("Try `%s --help' for more options.\n"), exec_name);
819 /* The wgetrc commands are named noparent and noclobber,
820 so we must revert the meaning of the cmdline options
821 before passing the value to setoptval. */
824 flag = (*optarg == '1' || c_tolower (*optarg) == 'y'
825 || (c_tolower (optarg[0]) == 'o'
826 && c_tolower (optarg[1]) == 'n'));
827 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
828 flag ? "0" : "1", opt->long_name);
831 case OPT__DONT_REMOVE_LISTING:
832 setoptval ("removelisting", "0", opt->long_name);
839 nurl = argc - optind;
841 /* All user options have now been processed, so it's now safe to do
842 interoption dependency checks. */
844 if (opt.reclevel == 0)
845 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary */
847 if (opt.spider || opt.delete_after)
848 opt.no_dirstruct = true;
850 if (opt.page_requisites && !opt.recursive)
852 /* Don't set opt.recursive here because it would confuse the FTP
853 code. Instead, call retrieve_tree below when either
854 page_requisites or recursive is requested. */
856 if (!opt.no_dirstruct)
857 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
860 if (opt.verbose == -1)
861 opt.verbose = !opt.quiet;
864 if (opt.verbose && opt.quiet)
866 printf (_("Can't be verbose and quiet at the same time.\n"));
870 if (opt.timestamping && opt.noclobber)
873 Can't timestamp and not clobber old files at the same time.\n"));
878 if (opt.ipv4_only && opt.ipv6_only)
880 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
885 if (opt.output_document
886 && (opt.page_requisites
888 || opt.timestamping))
890 printf (_("Cannot specify -r, -p or -N if -O is given.\n"));
894 if (opt.output_document
898 printf (_("Cannot specify both -k and -O if multiple URLs are given.\n"));
903 if (!nurl && !opt.input_filename)
905 /* No URL specified. */
906 printf (_("%s: missing URL\n"), exec_name);
909 /* #### Something nicer should be printed here -- similar to the
910 pre-1.5 `--help' page. */
911 printf (_("Try `%s --help' for more options.\n"), exec_name);
921 fork_to_background ();
924 /* Initialize progress. Have to do this after the options are
925 processed so we know where the log file is. */
927 set_progress_implementation (opt.progress_type);
929 /* Fill in the arguments. */
930 url = alloca_array (char *, nurl + 1);
931 for (i = 0; i < nurl; i++, optind++)
933 char *rewritten = rewrite_shorthand_url (argv[optind]);
937 url[i] = xstrdup (argv[optind]);
941 /* Initialize logging. */
942 log_init (opt.lfilename, append_to_log);
944 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
947 /* Open the output filename if necessary. */
948 if (opt.output_document)
950 if (HYPHENP (opt.output_document))
951 output_stream = stdout;
955 output_stream = fopen (opt.output_document,
956 opt.always_rest ? "ab" : "wb");
957 if (output_stream == NULL)
959 perror (opt.output_document);
962 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
963 output_stream_regular = true;
972 /* Setup the signal handler to redirect output when hangup is
974 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
975 signal(SIGHUP, redirect_output_signal);
977 /* ...and do the same for SIGUSR1. */
979 signal (SIGUSR1, redirect_output_signal);
982 /* Writing to a closed socket normally signals SIGPIPE, and the
983 process exits. What we want is to ignore SIGPIPE and just check
984 for the return value of write(). */
985 signal (SIGPIPE, SIG_IGN);
988 signal (SIGWINCH, progress_handle_sigwinch);
991 status = RETROK; /* initialize it, just-in-case */
992 /* Retrieve the URLs from argument list. */
993 for (t = url; *t; t++)
995 char *filename = NULL, *redirected_URL = NULL;
998 if ((opt.recursive || opt.page_requisites)
999 && (url_scheme (*t) != SCHEME_FTP || url_uses_proxy (*t)))
1001 int old_follow_ftp = opt.follow_ftp;
1003 /* Turn opt.follow_ftp on in case of recursive FTP retrieval */
1004 if (url_scheme (*t) == SCHEME_FTP)
1007 status = retrieve_tree (*t);
1009 opt.follow_ftp = old_follow_ftp;
1012 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt, opt.recursive);
1014 if (opt.delete_after && file_exists_p(filename))
1016 DEBUGP (("Removing file due to --delete-after in main():\n"));
1017 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
1018 if (unlink (filename))
1019 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
1022 xfree_null (redirected_URL);
1023 xfree_null (filename);
1026 /* And then from the input file, if any. */
1027 if (opt.input_filename)
1030 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
1032 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
1033 opt.input_filename);
1036 /* Print broken links. */
1037 if (opt.recursive && opt.spider)
1039 print_broken_links();
1042 /* Print the downloaded sum. */
1043 if ((opt.recursive || opt.page_requisites
1045 || (opt.input_filename && total_downloaded_bytes != 0))
1047 total_downloaded_bytes != 0)
1049 logprintf (LOG_NOTQUIET,
1050 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
1051 datetime_str (time (NULL)),
1053 human_readable (total_downloaded_bytes),
1054 secs_to_human_time (total_download_time),
1055 retr_rate (total_downloaded_bytes, total_download_time));
1056 /* Print quota warning, if exceeded. */
1057 if (opt.quota && total_downloaded_bytes > opt.quota)
1058 logprintf (LOG_NOTQUIET,
1059 _("Download quota of %s EXCEEDED!\n"),
1060 human_readable (opt.quota));
1063 if (opt.cookies_output)
1066 if (opt.convert_links && !opt.delete_after)
1067 convert_all_links ();
1070 for (i = 0; i < nurl; i++)
1075 print_malloc_debug_stats ();
1077 if (status == RETROK)
1082 #endif /* TESTING */
1084 #if defined(SIGHUP) || defined(SIGUSR1)
1086 /* So the signal_name check doesn't blow when only one is available. */
1094 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1095 will proceed operation as usual, trying to write into a log file.
1096 If that is impossible, the output will be turned off. */
1099 redirect_output_signal (int sig)
1101 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1102 (sig == SIGUSR1 ? "SIGUSR1" :
1104 log_request_redirect_output (signal_name);
1105 progress_schedule_redirect ();
1106 signal (sig, redirect_output_signal);