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 */
44 #endif /* HAVE_LOCALE_H */
56 #include "progress.h" /* for progress_handle_sigwinch */
59 /* On GNU system this will include system-wide getopt.h. */
62 #ifndef PATH_SEPARATOR
63 # define PATH_SEPARATOR '/'
68 extern LARGE_INT total_downloaded_bytes;
69 extern char *version_string;
71 extern struct cookie_jar *wget_cookie_jar;
73 static RETSIGTYPE redirect_output_signal (int);
75 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 /* HAVE_NLS implies existence of functions invoked here. */
86 /* Set the current locale. */
87 /* Where possible, sets only LC_MESSAGES and LC_CTYPE. Other
88 categories, such as numeric, time, or collation, break code that
89 parses data received from the network and relies on C-locale
90 behavior of libc functions. For example, Solaris strptime fails
91 to recognize English month names in non-English locales, which
92 breaks http_atotm. Some implementations of fnmatch perform
93 unwanted case folding in non-C locales. ctype macros, while they
94 were used, provided another example against LC_ALL. */
95 #if defined(LC_MESSAGES) && defined(LC_CTYPE)
96 setlocale (LC_MESSAGES, "");
97 setlocale (LC_CTYPE, ""); /* safe because we use safe-ctype */
99 setlocale (LC_ALL, "");
101 /* Set the text message domain. */
102 bindtextdomain ("wget", LOCALEDIR);
104 #endif /* HAVE_NLS */
107 /* Definition of command-line options. */
109 static void print_help (void);
110 static void print_version (void);
115 # define IF_SSL(x) NULL
119 # define IF_DEBUG(x) x
121 # define IF_DEBUG(x) NULL
124 struct cmdline_option {
125 const char *long_name;
131 /* Non-standard options that have to be handled specially in
135 OPT__DONT_REMOVE_LISTING,
140 const void *data; /* for standard options */
141 int argtype; /* for non-standard options */
144 struct cmdline_option option_data[] =
146 { "accept", 'A', OPT_VALUE, "accept", -1 },
147 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
148 { "background", 'b', OPT_BOOLEAN, "background", -1 },
149 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
150 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
151 { "base", 'B', OPT_VALUE, "base", -1 },
152 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
153 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
154 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
155 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
156 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
157 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
158 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
159 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
160 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
161 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
162 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
163 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
164 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
165 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
166 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
167 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
168 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
169 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
170 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
171 { "domains", 'D', OPT_VALUE, "domains", -1 },
172 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
173 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
174 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
175 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
176 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
177 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
178 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
179 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
180 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
181 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
182 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
183 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
184 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
185 { "header", 0, OPT_VALUE, "header", -1 },
186 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
187 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
188 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
189 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
190 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
191 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
192 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
193 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
194 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
195 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
196 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
198 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
199 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
201 { "input-file", 'i', OPT_VALUE, "input", -1 },
202 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
203 { "level", 'l', OPT_VALUE, "reclevel", -1 },
204 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
205 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
206 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
207 { "no", 'n', OPT__NO, NULL, required_argument },
208 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
209 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
210 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
211 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
212 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
213 { "parent", 0, OPT__PARENT, NULL, optional_argument },
214 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
215 { "password", 0, OPT_VALUE, "password", -1 },
216 { "post-data", 0, OPT_VALUE, "postdata", -1 },
217 { "post-file", 0, OPT_VALUE, "postfile", -1 },
218 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
219 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
220 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
221 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
222 { "progress", 0, OPT_VALUE, "progress", -1 },
223 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
224 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
225 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
226 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
227 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
228 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
229 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
230 { "quota", 'Q', OPT_VALUE, "quota", -1 },
231 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
232 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
233 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
234 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
235 { "referer", 0, OPT_VALUE, "referer", -1 },
236 { "reject", 'R', OPT_VALUE, "reject", -1 },
237 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
238 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
239 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
240 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
241 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
242 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
243 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
244 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
245 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
246 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
247 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
248 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
249 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
250 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
251 { "tries", 't', OPT_VALUE, "tries", -1 },
252 { "user", 0, OPT_VALUE, "user", -1 },
253 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
254 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
255 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
256 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
257 { "wait", 'w', OPT_VALUE, "wait", -1 },
258 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
264 /* Return a string that contains S with "no-" prepended. The string
265 is NUL-terminated and allocated off static storage at Wget
269 no_prefix (const char *s)
271 static char buffer[1024];
272 static char *p = buffer;
275 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
276 if (p + size >= buffer + sizeof (buffer))
279 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
285 /* The arguments that that main passes to getopt_long. */
286 static struct option long_options[2 * countof (option_data) + 1];
287 static char short_options[128];
289 /* Mapping between short option chars and option_data indices. */
290 static unsigned char optmap[96];
292 /* Marker for `--no-FOO' values in long_options. */
293 #define BOOLEAN_NEG_MARKER 1024
295 /* Initialize the long_options array used by getopt_long from the data
301 char *p = short_options;
303 for (i = 0; i < countof (option_data); i++)
305 struct cmdline_option *opt = &option_data[i];
306 struct option *longopt;
309 /* The option is disabled. */
312 longopt = &long_options[o++];
313 longopt->name = opt->long_name;
317 *p++ = opt->short_name;
318 optmap[opt->short_name - 32] = longopt - long_options;
323 longopt->has_arg = required_argument;
328 /* Specify an optional argument for long options, so that
329 --option=off works the same as --no-option, for
330 compatibility with pre-1.10 Wget. However, don't specify
331 optional arguments short-option booleans because they
332 prevent combining of short options. */
333 longopt->has_arg = optional_argument;
334 /* For Boolean options, add the "--no-FOO" variant, which is
335 identical to "--foo", except it has opposite meaning and
336 it doesn't allow an argument. */
337 longopt = &long_options[o++];
338 longopt->name = no_prefix (opt->long_name);
339 longopt->has_arg = no_argument;
340 /* Mask the value so we'll be able to recognize that we're
341 dealing with the false value. */
342 longopt->val = i | BOOLEAN_NEG_MARKER;
345 assert (opt->argtype != -1);
346 longopt->has_arg = opt->argtype;
349 if (longopt->has_arg == required_argument)
351 /* Don't handle optional_argument */
355 /* Terminate short_options. */
357 /* No need for xzero(long_options[o]) because its storage is static
358 and it will be zeroed by default. */
359 assert (o <= countof (long_options));
362 /* Print the usage message. */
366 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
369 /* Print the help message, describing all the available options. If
370 you add an option, be sure to update this list. */
374 /* We split the help text this way to ease translation of individual
376 static const char *help[] = {
379 Mandatory arguments to long options are mandatory for short options too.\n\n"),
383 -V, --version display the version of Wget and exit.\n"),
385 -h, --help print this help.\n"),
387 -b, --background go to background after startup.\n"),
389 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
393 Logging and input file:\n"),
395 -o, --output-file=FILE log messages to FILE.\n"),
397 -a, --append-output=FILE append messages to FILE.\n"),
400 -d, --debug print lots of debugging information.\n"),
403 -q, --quiet quiet (no output).\n"),
405 -v, --verbose be verbose (this is the default).\n"),
407 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
409 -i, --input-file=FILE download URLs found in FILE.\n"),
411 -F, --force-html treat input file as HTML.\n"),
413 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
419 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
421 --retry-connrefused retry even if connection is refused.\n"),
423 -O, --output-document=FILE write documents to FILE.\n"),
425 -nc, --no-clobber skip downloads that would download to\n\
428 -c, --continue resume getting a partially-downloaded file.\n"),
430 --progress=TYPE select progress gauge type.\n"),
432 -N, --timestamping don't re-retrieve files unless newer than\n\
435 -S, --server-response print server response.\n"),
437 --spider don't download anything.\n"),
439 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
441 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
443 --connect-timeout=SECS set the connect timeout to SECS.\n"),
445 --read-timeout=SECS set the read timeout to SECS.\n"),
447 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
449 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
451 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
453 -Y, --proxy explicitly turn on proxy.\n"),
455 --no-proxy explicitly turn off proxy.\n"),
457 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
459 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
461 --limit-rate=RATE limit download rate to RATE.\n"),
463 --no-dns-cache disable caching DNS lookups.\n"),
465 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
468 -4, --inet4-only connect only to IPv4 addresses.\n"),
470 -6, --inet6-only connect only to IPv6 addresses.\n"),
472 --prefer-family=FAMILY connect first to addresses of specified family,\n\
473 one of IPv6, IPv4, or none.\n"),
476 --user=USER set both ftp and http user to USER.\n"),
478 --password=PASS set both ftp and http password to PASS.\n"),
484 -nd, --no-directories don't create directories.\n"),
486 -x, --force-directories force creation of directories.\n"),
488 -nH, --no-host-directories don't create host directories.\n"),
490 --protocol-directories use protocol name in directories.\n"),
492 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
494 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
500 --http-user=USER set http user to USER.\n"),
502 --http-password=PASS set http password to PASS.\n"),
504 --no-cache disallow server-cached data.\n"),
506 -E, --html-extension save HTML documents with `.html' extension.\n"),
508 --ignore-length ignore `Content-Length' header field.\n"),
510 --header=STRING insert STRING among the headers.\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"),
539 HTTPS (SSL/TLS) options:\n"),
541 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
542 SSLv3, and TLSv1.\n"),
544 --no-check-certificate don't validate the server's certificate.\n"),
546 --certificate=FILE client certificate file.\n"),
548 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
550 --private-key=FILE private key file.\n"),
552 --private-key-type=TYPE private key type, PEM or DER.\n"),
554 --ca-certificate=FILE file with the bundle of CA's.\n"),
556 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
558 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
560 --egd-file=FILE file naming the EGD socket with random data.\n"),
562 #endif /* HAVE_SSL */
567 --ftp-user=USER set ftp user to USER.\n"),
569 --ftp-password=PASS set ftp password to PASS.\n"),
571 --no-remove-listing don't remove `.listing' files.\n"),
573 --no-glob turn off FTP file name globbing.\n"),
575 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
577 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
579 --preserve-permissions preserve remote file permissions.\n"),
583 Recursive download:\n"),
585 -r, --recursive specify recursive download.\n"),
587 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
589 --delete-after delete files locally after downloading them.\n"),
591 -k, --convert-links make links in downloaded HTML point to local files.\n"),
593 -K, --backup-converted before converting file X, back up as X.orig.\n"),
595 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
597 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
599 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
603 Recursive accept/reject:\n"),
605 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
607 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
609 -D, --domains=LIST comma-separated list of accepted domains.\n"),
611 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
613 --follow-ftp follow FTP links from HTML documents.\n"),
615 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
617 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
619 -H, --span-hosts go to foreign hosts when recursive.\n"),
621 -L, --relative follow relative links only.\n"),
623 -I, --include-directories=LIST list of allowed directories.\n"),
625 -X, --exclude-directories=LIST list of excluded directories.\n"),
627 -np, --no-parent don't ascend to the parent directory.\n"),
630 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
635 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
639 for (i = 0; i < countof (help); i++)
640 fputs (_(help[i]), stdout);
648 printf ("GNU Wget %s\n\n", version_string);
650 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
652 This program is distributed in the hope that it will be useful,\n\
653 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
654 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
655 GNU General Public License for more details.\n"), stdout);
656 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
662 main (int argc, char *const *argv)
665 int i, ret, longindex;
667 int append_to_log = 0;
671 /* Construct the name of the executable, without the directory part. */
672 exec_name = strrchr (argv[0], PATH_SEPARATOR);
679 /* Drop extension (typically .EXE) from executable filename. */
680 windows_main (&argc, (char **) argv, (char **) &exec_name);
683 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
688 while ((ret = getopt_long (argc, argv,
689 short_options, long_options, &longindex)) != -1)
692 struct cmdline_option *opt;
694 /* If LONGINDEX is unchanged, it means RET is referring a short
702 printf (_("Try `%s --help' for more options.\n"), exec_name);
705 /* Find the short option character in the mapping. */
706 longindex = optmap[ret - 32];
708 val = long_options[longindex].val;
710 /* Use the retrieved value to locate the option in the
711 option_data array, and to see if we're dealing with the
712 negated "--no-FOO" variant of the boolean option "--foo". */
713 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
717 setoptval (opt->data, optarg, opt->long_name);
721 /* The user has specified a value -- use it. */
722 setoptval (opt->data, optarg, opt->long_name);
725 /* NEG is true for `--no-FOO' style boolean options. */
726 int neg = val & BOOLEAN_NEG_MARKER;
727 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
732 void (*func) (void) = (void (*) (void)) opt->data;
736 case OPT__APPEND_OUTPUT:
737 setoptval ("logfile", optarg, opt->long_name);
741 run_command (optarg);
745 /* We support real --no-FOO flags now, but keep these
746 short options for convenience and backward
749 for (p = optarg; *p; p++)
753 setoptval ("verbose", "0", opt->long_name);
756 setoptval ("addhostdir", "0", opt->long_name);
759 setoptval ("dirstruct", "0", opt->long_name);
762 setoptval ("noclobber", "1", opt->long_name);
765 setoptval ("noparent", "1", opt->long_name);
768 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
771 printf (_("Try `%s --help' for more options.\n"), exec_name);
779 /* The wgetrc commands are named noparent and noclobber,
780 so we must revert the meaning of the cmdline options
781 before passing the value to setoptval. */
784 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
785 || (TOLOWER (optarg[0]) == 'o'
786 && TOLOWER (optarg[1]) == 'n'));
787 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
788 flag ? "0" : "1", opt->long_name);
791 case OPT__DONT_REMOVE_LISTING:
792 setoptval ("removelisting", "0", opt->long_name);
799 /* All user options have now been processed, so it's now safe to do
800 interoption dependency checks. */
802 if (opt.reclevel == 0)
803 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
805 if (opt.page_requisites && !opt.recursive)
807 /* Don't set opt.recursive here because it would confuse the FTP
808 code. Instead, call retrieve_tree below when either
809 page_requisites or recursive is requested. */
811 if (!opt.no_dirstruct)
812 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
815 if (opt.verbose == -1)
816 opt.verbose = !opt.quiet;
819 if (opt.verbose && opt.quiet)
821 printf (_("Can't be verbose and quiet at the same time.\n"));
825 if (opt.timestamping && opt.noclobber)
828 Can't timestamp and not clobber old files at the same time.\n"));
833 if (opt.ipv4_only && opt.ipv6_only)
835 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
841 nurl = argc - optind;
842 if (!nurl && !opt.input_filename)
844 /* No URL specified. */
845 printf (_("%s: missing URL\n"), exec_name);
848 /* #### Something nicer should be printed here -- similar to the
849 pre-1.5 `--help' page. */
850 printf (_("Try `%s --help' for more options.\n"), exec_name);
855 fork_to_background ();
857 /* Initialize progress. Have to do this after the options are
858 processed so we know where the log file is. */
860 set_progress_implementation (opt.progress_type);
862 /* Fill in the arguments. */
863 url = alloca_array (char *, nurl + 1);
864 for (i = 0; i < nurl; i++, optind++)
866 char *rewritten = rewrite_shorthand_url (argv[optind]);
870 url[i] = xstrdup (argv[optind]);
874 /* Initialize logging. */
875 log_init (opt.lfilename, append_to_log);
877 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
880 /* Open the output filename if necessary. */
881 if (opt.output_document)
883 extern FILE *output_stream;
884 extern int output_stream_regular;
886 if (HYPHENP (opt.output_document))
887 output_stream = stdout;
891 output_stream = fopen (opt.output_document,
892 opt.always_rest ? "ab" : "wb");
893 if (output_stream == NULL)
895 perror (opt.output_document);
898 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
899 output_stream_regular = 1;
907 /* Setup the signal handler to redirect output when hangup is
910 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
911 signal(SIGHUP, redirect_output_signal);
912 /* ...and do the same for SIGUSR1. */
913 signal (SIGUSR1, redirect_output_signal);
914 /* Writing to a closed socket normally signals SIGPIPE, and the
915 process exits. What we want is to ignore SIGPIPE and just check
916 for the return value of write(). */
917 signal (SIGPIPE, SIG_IGN);
919 signal (SIGWINCH, progress_handle_sigwinch);
921 #endif /* HAVE_SIGNAL */
923 status = RETROK; /* initialize it, just-in-case */
924 /* Retrieve the URLs from argument list. */
925 for (t = url; *t; t++)
927 char *filename = NULL, *redirected_URL = NULL;
930 if ((opt.recursive || opt.page_requisites)
931 && url_scheme (*t) != SCHEME_FTP)
932 status = retrieve_tree (*t);
934 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
936 if (opt.delete_after && file_exists_p(filename))
938 DEBUGP (("Removing file due to --delete-after in main():\n"));
939 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
940 if (unlink (filename))
941 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
944 xfree_null (redirected_URL);
945 xfree_null (filename);
948 /* And then from the input file, if any. */
949 if (opt.input_filename)
952 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
954 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
957 /* Print the downloaded sum. */
958 if (opt.recursive || opt.page_requisites
960 || (opt.input_filename && total_downloaded_bytes != 0))
962 logprintf (LOG_NOTQUIET,
963 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
964 time_str (NULL), with_thousand_seps_large (total_downloaded_bytes),
966 /* Print quota warning, if exceeded. */
967 if (opt.quota && total_downloaded_bytes > opt.quota)
968 logprintf (LOG_NOTQUIET,
969 _("Download quota (%s bytes) EXCEEDED!\n"),
970 with_thousand_seps_large (opt.quota));
973 if (opt.cookies_output)
976 if (opt.convert_links && !opt.delete_after)
977 convert_all_links ();
980 for (i = 0; i < nurl; i++)
985 print_malloc_debug_stats ();
987 if (status == RETROK)
994 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
995 will proceed operation as usual, trying to write into a log file.
996 If that is impossible, the output will be turned off.
998 #### It is unsafe to do call libc functions from a signal handler.
999 What we should do is, set a global variable, and have the code in
1000 log.c pick it up. */
1003 redirect_output_signal (int sig)
1005 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1006 (sig == SIGUSR1 ? "SIGUSR1" :
1008 log_request_redirect_output (signal_name);
1009 progress_schedule_redirect ();
1010 signal (sig, redirect_output_signal);
1012 #endif /* HAVE_SIGNAL */