1 /* Command line parsing.
2 Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 In addition, as a special exception, the Free Software Foundation
21 gives permission to link the code of its release of Wget with the
22 OpenSSL project's "OpenSSL" library (or with modified versions of it
23 that use the same license as the "OpenSSL" library), and distribute
24 the linked executables. You must obey the GNU General Public License
25 in all respects for all of the code used other than "OpenSSL". If you
26 modify this file, you may extend this exception to your version of the
27 file, but you are not obligated to do so. If you do not wish to do
28 so, delete this exception statement from your version. */
36 #endif /* HAVE_UNISTD_H */
42 #endif /* HAVE_LOCALE_H */
54 #include "progress.h" /* for progress_handle_sigwinch */
57 /* On GNU system this will include system-wide getopt.h. */
60 #ifndef PATH_SEPARATOR
61 # define PATH_SEPARATOR '/'
66 extern LARGE_INT total_downloaded_bytes;
67 extern char *version_string;
69 extern struct cookie_jar *wget_cookie_jar;
71 static void redirect_output_signal (int);
73 const char *exec_name;
75 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
76 setting up gettext's message catalog using bindtextdomain and
77 textdomain. Does nothing if NLS is disabled or missing. */
80 i18n_initialize (void)
82 /* HAVE_NLS implies existence of functions invoked here. */
84 /* Set the current locale. */
85 /* Where possible, sets only LC_MESSAGES and LC_CTYPE. Other
86 categories, such as numeric, time, or collation, break code that
87 parses data received from the network and relies on C-locale
88 behavior of libc functions. For example, Solaris strptime fails
89 to recognize English month names in non-English locales, which
90 breaks http_atotm. Some implementations of fnmatch perform
91 unwanted case folding in non-C locales. ctype macros, while they
92 were used, provided another example against LC_ALL. */
93 #if defined(LC_MESSAGES) && defined(LC_CTYPE)
94 setlocale (LC_MESSAGES, "");
95 setlocale (LC_CTYPE, ""); /* safe because we use safe-ctype */
97 setlocale (LC_ALL, "");
99 /* Set the text message domain. */
100 bindtextdomain ("wget", LOCALEDIR);
102 #endif /* HAVE_NLS */
105 /* Definition of command-line options. */
107 static void print_help (void);
108 static void print_version (void);
113 # define IF_SSL(x) NULL
117 # define IF_DEBUG(x) x
119 # define IF_DEBUG(x) NULL
122 struct cmdline_option {
123 const char *long_name;
129 /* Non-standard options that have to be handled specially in
133 OPT__DONT_REMOVE_LISTING,
138 const void *data; /* for standard options */
139 int argtype; /* for non-standard options */
142 struct cmdline_option option_data[] =
144 { "accept", 'A', OPT_VALUE, "accept", -1 },
145 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
146 { "background", 'b', OPT_BOOLEAN, "background", -1 },
147 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
148 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
149 { "base", 'B', OPT_VALUE, "base", -1 },
150 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
151 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
152 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
153 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
154 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
155 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
156 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
157 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
158 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
159 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
160 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
161 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
162 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
163 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
164 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
165 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
166 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
167 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
168 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
169 { "domains", 'D', OPT_VALUE, "domains", -1 },
170 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
171 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
172 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
173 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
174 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
175 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
176 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
177 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
178 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
179 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
180 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
181 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
182 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
183 { "header", 0, OPT_VALUE, "header", -1 },
184 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
185 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
186 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
187 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
188 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
189 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
190 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
191 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
192 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
193 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
194 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
196 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
197 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -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, "mirror", -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 { "password", 0, OPT_VALUE, "password", -1 },
214 { "post-data", 0, OPT_VALUE, "postdata", -1 },
215 { "post-file", 0, OPT_VALUE, "postfile", -1 },
216 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
217 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
218 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
219 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
220 { "progress", 0, OPT_VALUE, "progress", -1 },
221 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
222 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
223 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
224 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
225 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
226 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
227 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
228 { "quota", 'Q', OPT_VALUE, "quota", -1 },
229 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
230 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
231 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
232 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
233 { "referer", 0, OPT_VALUE, "referer", -1 },
234 { "reject", 'R', OPT_VALUE, "reject", -1 },
235 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
236 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
237 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
238 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
239 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
240 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
241 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
242 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
243 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
244 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
245 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
246 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
247 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
248 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
249 { "tries", 't', OPT_VALUE, "tries", -1 },
250 { "user", 0, OPT_VALUE, "user", -1 },
251 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
252 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
253 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
254 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
255 { "wait", 'w', OPT_VALUE, "wait", -1 },
256 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
262 /* Return a string that contains S with "no-" prepended. The string
263 is NUL-terminated and allocated off static storage at Wget
267 no_prefix (const char *s)
269 static char buffer[1024];
270 static char *p = buffer;
273 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
274 if (p + size >= buffer + sizeof (buffer))
277 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
283 /* The arguments that that main passes to getopt_long. */
284 static struct option long_options[2 * countof (option_data) + 1];
285 static char short_options[128];
287 /* Mapping between short option chars and option_data indices. */
288 static unsigned char optmap[96];
290 /* Marker for `--no-FOO' values in long_options. */
291 #define BOOLEAN_NEG_MARKER 1024
293 /* Initialize the long_options array used by getopt_long from the data
299 char *p = short_options;
301 for (i = 0; i < countof (option_data); i++)
303 struct cmdline_option *opt = &option_data[i];
304 struct option *longopt;
307 /* The option is disabled. */
310 longopt = &long_options[o++];
311 longopt->name = opt->long_name;
315 *p++ = opt->short_name;
316 optmap[opt->short_name - 32] = longopt - long_options;
321 longopt->has_arg = required_argument;
326 /* Specify an optional argument for long options, so that
327 --option=off works the same as --no-option, for
328 compatibility with pre-1.10 Wget. However, don't specify
329 optional arguments short-option booleans because they
330 prevent combining of short options. */
331 longopt->has_arg = optional_argument;
332 /* For Boolean options, add the "--no-FOO" variant, which is
333 identical to "--foo", except it has opposite meaning and
334 it doesn't allow an argument. */
335 longopt = &long_options[o++];
336 longopt->name = no_prefix (opt->long_name);
337 longopt->has_arg = no_argument;
338 /* Mask the value so we'll be able to recognize that we're
339 dealing with the false value. */
340 longopt->val = i | BOOLEAN_NEG_MARKER;
343 assert (opt->argtype != -1);
344 longopt->has_arg = opt->argtype;
347 if (longopt->has_arg == required_argument)
349 /* Don't handle optional_argument */
353 /* Terminate short_options. */
355 /* No need for xzero(long_options[o]) because its storage is static
356 and it will be zeroed by default. */
357 assert (o <= countof (long_options));
360 /* Print the usage message. */
364 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
367 /* Print the help message, describing all the available options. If
368 you add an option, be sure to update this list. */
372 /* We split the help text this way to ease translation of individual
374 static const char *help[] = {
377 Mandatory arguments to long options are mandatory for short options too.\n\n"),
381 -V, --version display the version of Wget and exit.\n"),
383 -h, --help print this help.\n"),
385 -b, --background go to background after startup.\n"),
387 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
391 Logging and input file:\n"),
393 -o, --output-file=FILE log messages to FILE.\n"),
395 -a, --append-output=FILE append messages to FILE.\n"),
398 -d, --debug print lots of debugging information.\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 -Y, --proxy explicitly turn on proxy.\n"),
453 --no-proxy explicitly turn off proxy.\n"),
455 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
457 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
459 --limit-rate=RATE limit download rate to RATE.\n"),
461 --no-dns-cache disable caching DNS lookups.\n"),
463 --restrict-file-names=OS restrict chars in file names to ones OS allows.\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 --proxy-user=USER set USER as proxy username.\n"),
512 --proxy-password=PASS set PASS as proxy password.\n"),
514 --referer=URL include `Referer: URL' header in HTTP request.\n"),
516 --save-headers save the HTTP headers to file.\n"),
518 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
520 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
522 --no-cookies don't use cookies.\n"),
524 --load-cookies=FILE load cookies from FILE before session.\n"),
526 --save-cookies=FILE save cookies to FILE after session.\n"),
528 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
530 --post-data=STRING use the POST method; send STRING as the data.\n"),
532 --post-file=FILE use the POST method; send contents of FILE.\n"),
537 HTTPS (SSL/TLS) options:\n"),
539 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
540 SSLv3, and TLSv1.\n"),
542 --no-check-certificate don't validate the server's certificate.\n"),
544 --certificate=FILE client certificate file.\n"),
546 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
548 --private-key=FILE private key file.\n"),
550 --private-key-type=TYPE private key type, PEM or DER.\n"),
552 --ca-certificate=FILE file with the bundle of CA's.\n"),
554 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
556 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
558 --egd-file=FILE file naming the EGD socket with random data.\n"),
560 #endif /* HAVE_SSL */
565 --ftp-user=USER set ftp user to USER.\n"),
567 --ftp-password=PASS set ftp password to PASS.\n"),
569 --no-remove-listing don't remove `.listing' files.\n"),
571 --no-glob turn off FTP file name globbing.\n"),
573 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
575 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
577 --preserve-permissions preserve remote file permissions.\n"),
581 Recursive download:\n"),
583 -r, --recursive specify recursive download.\n"),
585 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
587 --delete-after delete files locally after downloading them.\n"),
589 -k, --convert-links make links in downloaded HTML point to local files.\n"),
591 -K, --backup-converted before converting file X, back up as X.orig.\n"),
593 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
595 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
597 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
601 Recursive accept/reject:\n"),
603 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
605 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
607 -D, --domains=LIST comma-separated list of accepted domains.\n"),
609 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
611 --follow-ftp follow FTP links from HTML documents.\n"),
613 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
615 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
617 -H, --span-hosts go to foreign hosts when recursive.\n"),
619 -L, --relative follow relative links only.\n"),
621 -I, --include-directories=LIST list of allowed directories.\n"),
623 -X, --exclude-directories=LIST list of excluded directories.\n"),
625 -np, --no-parent don't ascend to the parent directory.\n"),
628 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
633 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
637 for (i = 0; i < countof (help); i++)
638 fputs (_(help[i]), stdout);
646 printf ("GNU Wget %s\n\n", version_string);
648 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
650 This program is distributed in the hope that it will be useful,\n\
651 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
652 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
653 GNU General Public License for more details.\n"), stdout);
654 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
660 main (int argc, char *const *argv)
663 int i, ret, longindex;
665 int append_to_log = 0;
669 /* Construct the name of the executable, without the directory part. */
670 exec_name = strrchr (argv[0], PATH_SEPARATOR);
677 /* Drop extension (typically .EXE) from executable filename. */
678 windows_main (&argc, (char **) argv, (char **) &exec_name);
681 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
686 while ((ret = getopt_long (argc, argv,
687 short_options, long_options, &longindex)) != -1)
690 struct cmdline_option *opt;
692 /* If LONGINDEX is unchanged, it means RET is referring a short
700 printf (_("Try `%s --help' for more options.\n"), exec_name);
703 /* Find the short option character in the mapping. */
704 longindex = optmap[ret - 32];
706 val = long_options[longindex].val;
708 /* Use the retrieved value to locate the option in the
709 option_data array, and to see if we're dealing with the
710 negated "--no-FOO" variant of the boolean option "--foo". */
711 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
715 setoptval (opt->data, optarg, opt->long_name);
719 /* The user has specified a value -- use it. */
720 setoptval (opt->data, optarg, opt->long_name);
723 /* NEG is true for `--no-FOO' style boolean options. */
724 int neg = val & BOOLEAN_NEG_MARKER;
725 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
730 void (*func) (void) = (void (*) (void)) opt->data;
734 case OPT__APPEND_OUTPUT:
735 setoptval ("logfile", optarg, opt->long_name);
739 run_command (optarg);
743 /* We support real --no-FOO flags now, but keep these
744 short options for convenience and backward
747 for (p = optarg; *p; p++)
751 setoptval ("verbose", "0", opt->long_name);
754 setoptval ("addhostdir", "0", opt->long_name);
757 setoptval ("dirstruct", "0", opt->long_name);
760 setoptval ("noclobber", "1", opt->long_name);
763 setoptval ("noparent", "1", opt->long_name);
766 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
769 printf (_("Try `%s --help' for more options.\n"), exec_name);
777 /* The wgetrc commands are named noparent and noclobber,
778 so we must revert the meaning of the cmdline options
779 before passing the value to setoptval. */
782 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
783 || (TOLOWER (optarg[0]) == 'o'
784 && TOLOWER (optarg[1]) == 'n'));
785 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
786 flag ? "0" : "1", opt->long_name);
789 case OPT__DONT_REMOVE_LISTING:
790 setoptval ("removelisting", "0", opt->long_name);
797 /* All user options have now been processed, so it's now safe to do
798 interoption dependency checks. */
800 if (opt.reclevel == 0)
801 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
803 if (opt.page_requisites && !opt.recursive)
805 /* Don't set opt.recursive here because it would confuse the FTP
806 code. Instead, call retrieve_tree below when either
807 page_requisites or recursive is requested. */
809 if (!opt.no_dirstruct)
810 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
813 if (opt.verbose == -1)
814 opt.verbose = !opt.quiet;
817 if (opt.verbose && opt.quiet)
819 printf (_("Can't be verbose and quiet at the same time.\n"));
823 if (opt.timestamping && opt.noclobber)
826 Can't timestamp and not clobber old files at the same time.\n"));
831 if (opt.ipv4_only && opt.ipv6_only)
833 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
839 nurl = argc - optind;
840 if (!nurl && !opt.input_filename)
842 /* No URL specified. */
843 printf (_("%s: missing URL\n"), exec_name);
846 /* #### Something nicer should be printed here -- similar to the
847 pre-1.5 `--help' page. */
848 printf (_("Try `%s --help' for more options.\n"), exec_name);
853 fork_to_background ();
855 /* Initialize progress. Have to do this after the options are
856 processed so we know where the log file is. */
858 set_progress_implementation (opt.progress_type);
860 /* Fill in the arguments. */
861 url = alloca_array (char *, nurl + 1);
862 for (i = 0; i < nurl; i++, optind++)
864 char *rewritten = rewrite_shorthand_url (argv[optind]);
868 url[i] = xstrdup (argv[optind]);
872 /* Initialize logging. */
873 log_init (opt.lfilename, append_to_log);
875 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
878 /* Open the output filename if necessary. */
879 if (opt.output_document)
881 extern FILE *output_stream;
882 extern int output_stream_regular;
884 if (HYPHENP (opt.output_document))
885 output_stream = stdout;
889 output_stream = fopen (opt.output_document,
890 opt.always_rest ? "ab" : "wb");
891 if (output_stream == NULL)
893 perror (opt.output_document);
896 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
897 output_stream_regular = 1;
905 /* Setup the signal handler to redirect output when hangup is
908 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
909 signal(SIGHUP, redirect_output_signal);
910 /* ...and do the same for SIGUSR1. */
911 signal (SIGUSR1, redirect_output_signal);
912 /* Writing to a closed socket normally signals SIGPIPE, and the
913 process exits. What we want is to ignore SIGPIPE and just check
914 for the return value of write(). */
915 signal (SIGPIPE, SIG_IGN);
917 signal (SIGWINCH, progress_handle_sigwinch);
919 #endif /* HAVE_SIGNAL */
921 status = RETROK; /* initialize it, just-in-case */
922 /* Retrieve the URLs from argument list. */
923 for (t = url; *t; t++)
925 char *filename = NULL, *redirected_URL = NULL;
928 if ((opt.recursive || opt.page_requisites)
929 && url_scheme (*t) != SCHEME_FTP)
930 status = retrieve_tree (*t);
932 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
934 if (opt.delete_after && file_exists_p(filename))
936 DEBUGP (("Removing file due to --delete-after in main():\n"));
937 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
938 if (unlink (filename))
939 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
942 xfree_null (redirected_URL);
943 xfree_null (filename);
946 /* And then from the input file, if any. */
947 if (opt.input_filename)
950 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
952 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
955 /* Print the downloaded sum. */
956 if (opt.recursive || opt.page_requisites
958 || (opt.input_filename && total_downloaded_bytes != 0))
960 logprintf (LOG_NOTQUIET,
961 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
962 time_str (NULL), with_thousand_seps_large (total_downloaded_bytes),
964 /* Print quota warning, if exceeded. */
965 if (opt.quota && total_downloaded_bytes > opt.quota)
966 logprintf (LOG_NOTQUIET,
967 _("Download quota (%s bytes) EXCEEDED!\n"),
968 with_thousand_seps_large (opt.quota));
971 if (opt.cookies_output)
974 if (opt.convert_links && !opt.delete_after)
975 convert_all_links ();
978 for (i = 0; i < nurl; i++)
983 print_malloc_debug_stats ();
985 if (status == RETROK)
992 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
993 will proceed operation as usual, trying to write into a log file.
994 If that is impossible, the output will be turned off. */
997 redirect_output_signal (int sig)
999 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1000 (sig == SIGUSR1 ? "SIGUSR1" :
1002 log_request_redirect_output (signal_name);
1003 progress_schedule_redirect ();
1004 signal (sig, redirect_output_signal);
1006 #endif /* HAVE_SIGNAL */