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 */
37 #include <sys/types.h>
42 #endif /* HAVE_STRING_H */
49 #endif /* HAVE_LOCALE_H */
65 #include "progress.h" /* for progress_handle_sigwinch */
68 /* On GNU system this will include system-wide getopt.h. */
71 #ifndef PATH_SEPARATOR
72 # define PATH_SEPARATOR '/'
77 extern LARGE_INT total_downloaded_bytes;
78 extern char *version_string;
80 extern struct cookie_jar *wget_cookie_jar;
82 static RETSIGTYPE redirect_output_signal PARAMS ((int));
84 const char *exec_name;
86 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
87 setting up gettext's message catalog using bindtextdomain and
88 textdomain. Does nothing if NLS is disabled or missing. */
91 i18n_initialize (void)
93 /* HAVE_NLS implies existence of functions invoked here. */
95 /* Set the current locale. */
96 /* Where possible, sets only LC_MESSAGES and LC_CTYPE. Other
97 categories, such as numeric, time, or collation, break code that
98 parses data received from the network and relies on C-locale
99 behavior of libc functions. For example, Solaris strptime fails
100 to recognize English month names in non-English locales, which
101 breaks http_atotm. Some implementations of fnmatch perform
102 unwanted case folding in non-C locales. ctype macros, while they
103 were used, provided another example against LC_ALL. */
104 #if defined(LC_MESSAGES) && defined(LC_CTYPE)
105 setlocale (LC_MESSAGES, "");
106 setlocale (LC_CTYPE, ""); /* safe because we use safe-ctype */
108 setlocale (LC_ALL, "");
110 /* Set the text message domain. */
111 bindtextdomain ("wget", LOCALEDIR);
113 #endif /* HAVE_NLS */
116 /* Definition of command-line options. */
118 static void print_help PARAMS ((void));
119 static void print_version PARAMS ((void));
124 # define IF_SSL(x) NULL
128 # define IF_DEBUG(x) x
130 # define IF_DEBUG(x) NULL
133 struct cmdline_option {
134 const char *long_name;
140 /* Non-standard options that have to be handled specially in
144 OPT__DONT_REMOVE_LISTING,
149 const void *data; /* for standard options */
150 int argtype; /* for non-standard options */
153 struct cmdline_option option_data[] =
155 { "accept", 'A', OPT_VALUE, "accept", -1 },
156 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
157 { "background", 'b', OPT_BOOLEAN, "background", -1 },
158 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
159 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
160 { "base", 'B', OPT_VALUE, "base", -1 },
161 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
162 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
163 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
164 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
165 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
166 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
167 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
168 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
169 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
170 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
171 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
172 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
173 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
174 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
175 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
176 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
177 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
178 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
179 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
180 { "domains", 'D', OPT_VALUE, "domains", -1 },
181 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
182 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
183 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
184 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
185 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
186 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
187 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
188 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
189 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
190 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
191 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
192 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
193 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
194 { "header", 0, OPT_VALUE, "header", -1 },
195 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
196 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
197 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
198 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
199 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
200 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
201 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
202 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
203 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
204 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
205 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
207 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
208 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
210 { "input-file", 'i', OPT_VALUE, "input", -1 },
211 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
212 { "level", 'l', OPT_VALUE, "reclevel", -1 },
213 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
214 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
215 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
216 { "no", 'n', OPT__NO, NULL, required_argument },
217 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
218 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
219 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
220 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
221 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
222 { "parent", 0, OPT__PARENT, NULL, optional_argument },
223 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
224 { "password", 0, OPT_VALUE, "password", -1 },
225 { "post-data", 0, OPT_VALUE, "postdata", -1 },
226 { "post-file", 0, OPT_VALUE, "postfile", -1 },
227 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
228 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
229 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
230 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
231 { "progress", 0, OPT_VALUE, "progress", -1 },
232 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
233 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
234 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
235 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
236 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
237 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
238 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
239 { "quota", 'Q', OPT_VALUE, "quota", -1 },
240 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
241 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
242 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
243 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
244 { "referer", 0, OPT_VALUE, "referer", -1 },
245 { "reject", 'R', OPT_VALUE, "reject", -1 },
246 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
247 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
248 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
249 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
250 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
251 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
252 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
253 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
254 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
255 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
256 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
257 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
258 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
259 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
260 { "tries", 't', OPT_VALUE, "tries", -1 },
261 { "user", 0, OPT_VALUE, "user", -1 },
262 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
263 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
264 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
265 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
266 { "wait", 'w', OPT_VALUE, "wait", -1 },
267 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
273 /* Return a string that contains S with "no-" prepended. The string
274 is NUL-terminated and allocated off static storage at Wget
278 no_prefix (const char *s)
280 static char buffer[1024];
281 static char *p = buffer;
284 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
285 if (p + size >= buffer + sizeof (buffer))
288 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
294 /* The arguments that that main passes to getopt_long. */
295 static struct option long_options[2 * countof (option_data) + 1];
296 static char short_options[128];
298 /* Mapping between short option chars and option_data indices. */
299 static unsigned char optmap[96];
301 /* Marker for `--no-FOO' values in long_options. */
302 #define BOOLEAN_NEG_MARKER 1024
304 /* Initialize the long_options array used by getopt_long from the data
310 char *p = short_options;
312 for (i = 0; i < countof (option_data); i++)
314 struct cmdline_option *opt = &option_data[i];
315 struct option *longopt;
318 /* The option is disabled. */
321 longopt = &long_options[o++];
322 longopt->name = opt->long_name;
326 *p++ = opt->short_name;
327 optmap[opt->short_name - 32] = longopt - long_options;
332 longopt->has_arg = required_argument;
337 /* Specify an optional argument for long options, so that
338 --option=off works the same as --no-option, for
339 compatibility with pre-1.10 Wget. However, don't specify
340 optional arguments short-option booleans because they
341 prevent combining of short options. */
342 longopt->has_arg = optional_argument;
343 /* For Boolean options, add the "--no-FOO" variant, which is
344 identical to "--foo", except it has opposite meaning and
345 it doesn't allow an argument. */
346 longopt = &long_options[o++];
347 longopt->name = no_prefix (opt->long_name);
348 longopt->has_arg = no_argument;
349 /* Mask the value so we'll be able to recognize that we're
350 dealing with the false value. */
351 longopt->val = i | BOOLEAN_NEG_MARKER;
354 assert (opt->argtype != -1);
355 longopt->has_arg = opt->argtype;
358 if (longopt->has_arg == required_argument)
360 /* Don't handle optional_argument */
364 /* Terminate short_options. */
366 /* No need for xzero(long_options[o]) because its storage is static
367 and it will be zeroed by default. */
368 assert (o <= countof (long_options));
371 /* Print the usage message. */
375 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
378 /* Print the help message, describing all the available options. If
379 you add an option, be sure to update this list. */
383 /* We split the help text this way to ease translation of individual
385 static const char *help[] = {
388 Mandatory arguments to long options are mandatory for short options too.\n\n"),
392 -V, --version display the version of Wget and exit.\n"),
394 -h, --help print this help.\n"),
396 -b, --background go to background after startup.\n"),
398 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
402 Logging and input file:\n"),
404 -o, --output-file=FILE log messages to FILE.\n"),
406 -a, --append-output=FILE append messages to FILE.\n"),
409 -d, --debug print lots of debugging information.\n"),
412 -q, --quiet quiet (no output).\n"),
414 -v, --verbose be verbose (this is the default).\n"),
416 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
418 -i, --input-file=FILE download URLs found in FILE.\n"),
420 -F, --force-html treat input file as HTML.\n"),
422 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
428 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
430 --retry-connrefused retry even if connection is refused.\n"),
432 -O, --output-document=FILE write documents to FILE.\n"),
434 -nc, --no-clobber skip downloads that would download to\n\
437 -c, --continue resume getting a partially-downloaded file.\n"),
439 --progress=TYPE select progress gauge type.\n"),
441 -N, --timestamping don't re-retrieve files unless newer than\n\
444 -S, --server-response print server response.\n"),
446 --spider don't download anything.\n"),
448 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
450 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
452 --connect-timeout=SECS set the connect timeout to SECS.\n"),
454 --read-timeout=SECS set the read timeout to SECS.\n"),
456 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
458 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
460 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
462 -Y, --proxy explicitly turn on proxy.\n"),
464 --no-proxy explicitly turn off proxy.\n"),
466 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
468 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
470 --limit-rate=RATE limit download rate to RATE.\n"),
472 --no-dns-cache disable caching DNS lookups.\n"),
474 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
477 -4, --inet4-only connect only to IPv4 addresses.\n"),
479 -6, --inet6-only connect only to IPv6 addresses.\n"),
481 --prefer-family=FAMILY connect first to addresses of specified family,\n\
482 one of IPv6, IPv4, or none.\n"),
485 --user=USER set both ftp and http user to USER.\n"),
487 --password=PASS set both ftp and http password to PASS.\n"),
493 -nd, --no-directories don't create directories.\n"),
495 -x, --force-directories force creation of directories.\n"),
497 -nH, --no-host-directories don't create host directories.\n"),
499 --protocol-directories use protocol name in directories.\n"),
501 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
503 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
509 --http-user=USER set http user to USER.\n"),
511 --http-password=PASS set http password to PASS.\n"),
513 --no-cache disallow server-cached data.\n"),
515 -E, --html-extension save HTML documents with `.html' extension.\n"),
517 --ignore-length ignore `Content-Length' header field.\n"),
519 --header=STRING insert STRING among the headers.\n"),
521 --proxy-user=USER set USER as proxy username.\n"),
523 --proxy-password=PASS set PASS as proxy password.\n"),
525 --referer=URL include `Referer: URL' header in HTTP request.\n"),
527 --save-headers save the HTTP headers to file.\n"),
529 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
531 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
533 --no-cookies don't use cookies.\n"),
535 --load-cookies=FILE load cookies from FILE before session.\n"),
537 --save-cookies=FILE save cookies to FILE after session.\n"),
539 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
541 --post-data=STRING use the POST method; send STRING as the data.\n"),
543 --post-file=FILE use the POST method; send contents of FILE.\n"),
548 HTTPS (SSL/TLS) options:\n"),
550 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
551 SSLv3, and TLSv1.\n"),
553 --no-check-certificate don't validate the server's certificate.\n"),
555 --certificate=FILE client certificate file.\n"),
557 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
559 --private-key=FILE private key file.\n"),
561 --private-key-type=TYPE private key type, PEM or DER.\n"),
563 --ca-certificate=FILE file with the bundle of CA's.\n"),
565 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
567 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
569 --egd-file=FILE file naming the EGD socket with random data.\n"),
571 #endif /* HAVE_SSL */
576 --ftp-user=USER set ftp user to USER.\n"),
578 --ftp-password=PASS set ftp password to PASS.\n"),
580 --no-remove-listing don't remove `.listing' files.\n"),
582 --no-glob turn off FTP file name globbing.\n"),
584 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
586 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
588 --preserve-permissions preserve remote file permissions.\n"),
592 Recursive download:\n"),
594 -r, --recursive specify recursive download.\n"),
596 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
598 --delete-after delete files locally after downloading them.\n"),
600 -k, --convert-links make links in downloaded HTML point to local files.\n"),
602 -K, --backup-converted before converting file X, back up as X.orig.\n"),
604 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
606 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
608 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
612 Recursive accept/reject:\n"),
614 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
616 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
618 -D, --domains=LIST comma-separated list of accepted domains.\n"),
620 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
622 --follow-ftp follow FTP links from HTML documents.\n"),
624 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
626 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
628 -H, --span-hosts go to foreign hosts when recursive.\n"),
630 -L, --relative follow relative links only.\n"),
632 -I, --include-directories=LIST list of allowed directories.\n"),
634 -X, --exclude-directories=LIST list of excluded directories.\n"),
636 -np, --no-parent don't ascend to the parent directory.\n"),
639 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
644 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
648 for (i = 0; i < countof (help); i++)
649 fputs (_(help[i]), stdout);
657 printf ("GNU Wget %s\n\n", version_string);
659 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
661 This program is distributed in the hope that it will be useful,\n\
662 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
663 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
664 GNU General Public License for more details.\n"), stdout);
665 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
671 main (int argc, char *const *argv)
674 int i, ret, longindex;
676 int append_to_log = 0;
680 /* Construct the name of the executable, without the directory part. */
681 exec_name = strrchr (argv[0], PATH_SEPARATOR);
688 /* Drop extension (typically .EXE) from executable filename. */
689 windows_main (&argc, (char **) argv, (char **) &exec_name);
692 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
697 while ((ret = getopt_long (argc, argv,
698 short_options, long_options, &longindex)) != -1)
701 struct cmdline_option *opt;
703 /* If LONGINDEX is unchanged, it means RET is referring a short
711 printf (_("Try `%s --help' for more options.\n"), exec_name);
714 /* Find the short option character in the mapping. */
715 longindex = optmap[ret - 32];
717 val = long_options[longindex].val;
719 /* Use the retrieved value to locate the option in the
720 option_data array, and to see if we're dealing with the
721 negated "--no-FOO" variant of the boolean option "--foo". */
722 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
726 setoptval (opt->data, optarg, opt->long_name);
730 /* The user has specified a value -- use it. */
731 setoptval (opt->data, optarg, opt->long_name);
734 /* NEG is true for `--no-FOO' style boolean options. */
735 int neg = val & BOOLEAN_NEG_MARKER;
736 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
741 void (*func) PARAMS ((void)) = (void (*) PARAMS ((void))) opt->data;
745 case OPT__APPEND_OUTPUT:
746 setoptval ("logfile", optarg, opt->long_name);
750 run_command (optarg);
754 /* We support real --no-FOO flags now, but keep these
755 short options for convenience and backward
758 for (p = optarg; *p; p++)
762 setoptval ("verbose", "0", opt->long_name);
765 setoptval ("addhostdir", "0", opt->long_name);
768 setoptval ("dirstruct", "0", opt->long_name);
771 setoptval ("noclobber", "1", opt->long_name);
774 setoptval ("noparent", "1", opt->long_name);
777 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
780 printf (_("Try `%s --help' for more options.\n"), exec_name);
788 /* The wgetrc commands are named noparent and noclobber,
789 so we must revert the meaning of the cmdline options
790 before passing the value to setoptval. */
793 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
794 || (TOLOWER (optarg[0]) == 'o'
795 && TOLOWER (optarg[1]) == 'n'));
796 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
797 flag ? "0" : "1", opt->long_name);
800 case OPT__DONT_REMOVE_LISTING:
801 setoptval ("removelisting", "0", opt->long_name);
808 /* All user options have now been processed, so it's now safe to do
809 interoption dependency checks. */
811 if (opt.reclevel == 0)
812 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
814 if (opt.page_requisites && !opt.recursive)
816 /* Don't set opt.recursive here because it would confuse the FTP
817 code. Instead, call retrieve_tree below when either
818 page_requisites or recursive is requested. */
820 if (!opt.no_dirstruct)
821 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
824 if (opt.verbose == -1)
825 opt.verbose = !opt.quiet;
828 if (opt.verbose && opt.quiet)
830 printf (_("Can't be verbose and quiet at the same time.\n"));
834 if (opt.timestamping && opt.noclobber)
837 Can't timestamp and not clobber old files at the same time.\n"));
842 if (opt.ipv4_only && opt.ipv6_only)
844 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
850 nurl = argc - optind;
851 if (!nurl && !opt.input_filename)
853 /* No URL specified. */
854 printf (_("%s: missing URL\n"), exec_name);
857 /* #### Something nicer should be printed here -- similar to the
858 pre-1.5 `--help' page. */
859 printf (_("Try `%s --help' for more options.\n"), exec_name);
864 fork_to_background ();
866 /* Initialize progress. Have to do this after the options are
867 processed so we know where the log file is. */
869 set_progress_implementation (opt.progress_type);
871 /* Fill in the arguments. */
872 url = alloca_array (char *, nurl + 1);
873 for (i = 0; i < nurl; i++, optind++)
875 char *rewritten = rewrite_shorthand_url (argv[optind]);
879 url[i] = xstrdup (argv[optind]);
883 /* Initialize logging. */
884 log_init (opt.lfilename, append_to_log);
886 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
889 /* Open the output filename if necessary. */
890 if (opt.output_document)
892 extern FILE *output_stream;
893 extern int output_stream_regular;
895 if (HYPHENP (opt.output_document))
896 output_stream = stdout;
900 output_stream = fopen (opt.output_document,
901 opt.always_rest ? "ab" : "wb");
902 if (output_stream == NULL)
904 perror (opt.output_document);
907 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
908 output_stream_regular = 1;
916 /* Setup the signal handler to redirect output when hangup is
919 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
920 signal(SIGHUP, redirect_output_signal);
921 /* ...and do the same for SIGUSR1. */
922 signal (SIGUSR1, redirect_output_signal);
923 /* Writing to a closed socket normally signals SIGPIPE, and the
924 process exits. What we want is to ignore SIGPIPE and just check
925 for the return value of write(). */
926 signal (SIGPIPE, SIG_IGN);
928 signal (SIGWINCH, progress_handle_sigwinch);
930 #endif /* HAVE_SIGNAL */
932 status = RETROK; /* initialize it, just-in-case */
933 /* Retrieve the URLs from argument list. */
934 for (t = url; *t; t++)
936 char *filename = NULL, *redirected_URL = NULL;
939 if ((opt.recursive || opt.page_requisites)
940 && url_scheme (*t) != SCHEME_FTP)
941 status = retrieve_tree (*t);
943 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
945 if (opt.delete_after && file_exists_p(filename))
947 DEBUGP (("Removing file due to --delete-after in main():\n"));
948 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
949 if (unlink (filename))
950 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
953 xfree_null (redirected_URL);
954 xfree_null (filename);
957 /* And then from the input file, if any. */
958 if (opt.input_filename)
961 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
963 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
966 /* Print the downloaded sum. */
967 if (opt.recursive || opt.page_requisites
969 || (opt.input_filename && total_downloaded_bytes != 0))
971 logprintf (LOG_NOTQUIET,
972 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
973 time_str (NULL), with_thousand_seps_large (total_downloaded_bytes),
975 /* Print quota warning, if exceeded. */
976 if (opt.quota && total_downloaded_bytes > opt.quota)
977 logprintf (LOG_NOTQUIET,
978 _("Download quota (%s bytes) EXCEEDED!\n"),
979 with_thousand_seps_large (opt.quota));
982 if (opt.cookies_output)
985 if (opt.convert_links && !opt.delete_after)
986 convert_all_links ();
989 for (i = 0; i < nurl; i++)
994 print_malloc_debug_stats ();
996 if (status == RETROK)
1003 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1004 will proceed operation as usual, trying to write into a log file.
1005 If that is impossible, the output will be turned off.
1007 #### It is unsafe to do call libc functions from a signal handler.
1008 What we should do is, set a global variable, and have the code in
1009 log.c pick it up. */
1012 redirect_output_signal (int sig)
1014 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1015 (sig == SIGUSR1 ? "SIGUSR1" :
1017 log_request_redirect_output (signal_name);
1018 progress_schedule_redirect ();
1019 signal (sig, redirect_output_signal);
1021 #endif /* HAVE_SIGNAL */