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. The initialization amounts to invoking
87 setlocale(), bindtextdomain() and textdomain().
88 Does nothing if NLS is disabled or missing. */
90 i18n_initialize (void)
92 /* If HAVE_NLS is defined, assume the existence of the three
93 functions invoked here. */
95 /* Set the current locale. */
96 /* Here we use LC_MESSAGES instead of LC_ALL, for two reasons.
97 First, message catalogs are all of I18N Wget uses anyway.
98 Second, setting LC_ALL has a dangerous potential of messing
99 things up. For example, when in a foreign locale, Solaris
100 strptime() fails to handle international dates correctly, which
101 makes http_atotm() malfunction. */
103 setlocale (LC_MESSAGES, "");
104 setlocale (LC_CTYPE, "");
106 setlocale (LC_ALL, "");
108 /* Set the text message domain. */
109 bindtextdomain ("wget", LOCALEDIR);
111 #endif /* HAVE_NLS */
114 /* Definition of command-line options. */
116 static void print_help PARAMS ((void));
117 static void print_version PARAMS ((void));
122 # define IF_SSL(x) NULL
126 # define IF_DEBUG(x) x
128 # define IF_DEBUG(x) NULL
131 struct cmdline_option {
132 const char *long_name;
138 /* Non-standard options that have to be handled specially in
142 OPT__DONT_REMOVE_LISTING,
147 const void *data; /* for standard options */
148 int argtype; /* for non-standard options */
151 struct cmdline_option option_data[] =
153 { "accept", 'A', OPT_VALUE, "accept", -1 },
154 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
155 { "background", 'b', OPT_BOOLEAN, "background", -1 },
156 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
157 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
158 { "base", 'B', OPT_VALUE, "base", -1 },
159 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
160 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
161 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
162 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
163 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
164 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
165 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
166 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
167 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
168 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
169 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
170 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
171 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
172 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
173 { "domains", 'D', OPT_VALUE, "domains", -1 },
174 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
175 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
176 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
177 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
178 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
179 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
180 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
181 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
182 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
183 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
184 { "ftp-passwd", 0, OPT_VALUE, "ftppasswd", -1 },
185 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
186 { "header", 0, OPT_VALUE, "header", -1 },
187 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
188 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
189 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
190 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
191 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
192 { "http-passwd", 0, OPT_VALUE, "httppasswd", -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 { "post-data", 0, OPT_VALUE, "postdata", -1 },
216 { "post-file", 0, OPT_VALUE, "postfile", -1 },
217 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
218 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
219 { "progress", 0, OPT_VALUE, "progress", -1 },
220 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
221 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
222 { "_proxy-compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
223 { "proxy-passwd", 0, OPT_VALUE, "proxypasswd", -1 },
224 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
225 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
226 { "quota", 'Q', OPT_VALUE, "quota", -1 },
227 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
228 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
229 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
230 { "referer", 0, OPT_VALUE, "referer", -1 },
231 { "reject", 'R', OPT_VALUE, "reject", -1 },
232 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
233 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
234 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
235 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
236 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
237 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
238 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
239 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
240 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
241 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
242 { IF_SSL ("sslcadir"), 0, OPT_VALUE, "sslcadir", -1 },
243 { IF_SSL ("sslcafile"), 0, OPT_VALUE, "sslcafile", -1 },
244 { IF_SSL ("sslcertfile"), 0, OPT_VALUE, "sslcertfile", -1 },
245 { IF_SSL ("sslcertkey"), 0, OPT_VALUE, "sslcertkey", -1 },
246 { IF_SSL ("sslcerttype"), 0, OPT_VALUE, "sslcerttype", -1 },
247 { IF_SSL ("sslcheckcert"), 0, OPT_VALUE, "sslcheckcert", -1 },
248 { IF_SSL ("sslprotocol"), 0, OPT_VALUE, "sslprotocol", -1 },
249 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
250 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
251 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
252 { "tries", 't', OPT_VALUE, "tries", -1 },
253 { "use-proxy", 'Y', OPT_BOOLEAN, "useproxy", -1 },
254 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
255 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
256 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
257 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
258 { "wait", 'w', OPT_VALUE, "wait", -1 },
259 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
265 /* Return a string that contains S with "no-" prepended. The string
266 is NUL-terminated and allocated off static storage at Wget
270 no_prefix (const char *s)
272 static char buffer[1024];
273 static char *p = buffer;
276 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
277 if (p + size >= buffer + sizeof (buffer))
280 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
286 /* The arguments that that main passes to getopt_long. */
287 static struct option long_options[2 * countof (option_data) + 1];
288 static char short_options[128];
290 /* Mapping between short option chars and option_data indices. */
291 static unsigned char optmap[96];
293 /* Marker for `--no-FOO' values in long_options. */
294 #define BOOLEAN_NEG_MARKER 1024
296 /* Initialize the long_options array used by getopt_long from the data
302 char *p = short_options;
304 for (i = 0; i < countof (option_data); i++)
306 struct cmdline_option *opt = &option_data[i];
307 struct option *longopt;
310 /* The option is disabled. */
313 longopt = &long_options[o++];
314 longopt->name = opt->long_name;
318 *p++ = opt->short_name;
319 optmap[opt->short_name - 32] = longopt - long_options;
324 longopt->has_arg = required_argument;
329 /* Specify an optional argument for long options, so that
330 --option=off works the same as --no-option, for
331 compatibility with pre-1.10 Wget. However, don't specify
332 optional arguments short-option booleans because they
333 prevent combining of short options. */
334 longopt->has_arg = optional_argument;
335 /* For Boolean options, add the "--no-FOO" variant, which is
336 identical to "--foo", except it has opposite meaning and
337 it doesn't allow an argument. */
338 longopt = &long_options[o++];
339 longopt->name = no_prefix (opt->long_name);
340 longopt->has_arg = no_argument;
341 /* Mask the value so we'll be able to recognize that we're
342 dealing with the false value. */
343 longopt->val = i | BOOLEAN_NEG_MARKER;
346 assert (opt->argtype != -1);
347 longopt->has_arg = opt->argtype;
350 if (longopt->has_arg == required_argument)
352 /* Don't handle optional_argument */
356 /* Terminate short_options. */
358 /* No need for xzero(long_options[o]) because its storage is static
359 and it will be zeroed by default. */
360 assert (o <= countof (long_options));
363 /* Print the usage message. */
367 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
370 /* Print the help message, describing all the available options. If
371 you add an option, be sure to update this list. */
375 /* We split the help text this way to ease translation of individual
377 static const char *help[] = {
380 Mandatory arguments to long options are mandatory for short options too.\n\n"),
384 -V, --version display the version of Wget and exit.\n"),
386 -h, --help print this help.\n"),
388 -b, --background go to background after startup.\n"),
390 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
394 Logging and input file:\n"),
396 -o, --output-file=FILE log messages to FILE.\n"),
398 -a, --append-output=FILE append messages to FILE.\n"),
401 -d, --debug print lots of debugging information.\n"),
404 -q, --quiet quiet (no output).\n"),
406 -v, --verbose be verbose (this is the default).\n"),
408 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
410 -i, --input-file=FILE download URLs found in FILE.\n"),
412 -F, --force-html treat input file as HTML.\n"),
414 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
420 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
422 --retry-connrefused retry even if connection is refused.\n"),
424 -O, --output-document=FILE write documents to FILE.\n"),
426 -nc, --no-clobber skip downloads that would download to\n\
429 -c, --continue resume getting a partially-downloaded file.\n"),
431 --progress=TYPE select progress gauge type.\n"),
433 -N, --timestamping don't re-retrieve files unless newer than\n\
436 -S, --server-response print server response.\n"),
438 --spider don't download anything.\n"),
440 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
442 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
444 --connect-timeout=SECS set the connect timeout to SECS.\n"),
446 --read-timeout=SECS set the read timeout to SECS.\n"),
448 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
450 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
452 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
454 -Y, --proxy explicitly turn on proxy.\n"),
456 --no-proxy explicitly turn off proxy.\n"),
458 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
460 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
462 --limit-rate=RATE limit download rate to RATE.\n"),
464 --no-dns-cache disable caching DNS lookups.\n"),
466 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
469 -4, --inet4-only connect only to IPv4 addresses.\n"),
471 -6, --inet6-only connect only to IPv6 addresses.\n"),
473 --prefer-family=FAMILY connect first to addresses of specified family,\n\
474 one of IPv6, IPv4, or none.\n"),
481 -nd, --no-directories don't create directories.\n"),
483 -x, --force-directories force creation of directories.\n"),
485 -nH, --no-host-directories don't create host directories.\n"),
487 --protocol-directories use protocol name in directories.\n"),
489 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
491 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
497 --http-user=USER set http user to USER.\n"),
499 --http-passwd=PASS set http password to PASS.\n"),
501 --no-cache disallow server-cached data.\n"),
503 -E, --html-extension save HTML documents with `.html' extension.\n"),
505 --ignore-length ignore `Content-Length' header field.\n"),
507 --header=STRING insert STRING among the headers.\n"),
509 --proxy-user=USER set USER as proxy username.\n"),
511 --proxy-passwd=PASS set PASS as proxy password.\n"),
513 --referer=URL include `Referer: URL' header in HTTP request.\n"),
515 --save-headers save the HTTP headers to file.\n"),
517 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
519 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
521 --no-cookies don't use cookies.\n"),
523 --load-cookies=FILE load cookies from FILE before session.\n"),
525 --save-cookies=FILE save cookies to FILE after session.\n"),
527 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
529 --post-data=STRING use the POST method; send STRING as the data.\n"),
531 --post-file=FILE use the POST method; send contents of FILE.\n"),
536 HTTPS (SSL) options:\n"),
538 --sslcertfile=FILE optional client certificate.\n"),
540 --sslcertkey=KEYFILE optional keyfile for this certificate.\n"),
542 --sslcadir=DIR dir where hash list of CA's are stored.\n"),
544 --sslcafile=FILE file with bundle of CA's.\n"),
546 --sslcerttype=0/1 Client-Cert type 0=PEM (default) / 1=ASN1 (DER).\n"),
548 --sslcheckcert=0/1 Check the server cert against given CA.\n"),
550 --sslprotocol=0-3 choose SSL protocol; 0=automatic,\n\
551 1=SSLv2 2=SSLv3 3=TLSv1.\n"),
553 --egd-file=FILE file name of the EGD socket.\n"),
555 #endif /* HAVE_SSL */
560 --no-remove-listing don't remove `.listing' files.\n"),
562 --no-glob turn off FTP file name globbing.\n"),
564 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
566 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
568 --preserve-permissions preserve remote file permissions.\n"),
572 Recursive download:\n"),
574 -r, --recursive specify recursive download.\n"),
576 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
578 --delete-after delete files locally after downloading them.\n"),
580 -k, --convert-links make links in downloaded HTML point to local files.\n"),
582 -K, --backup-converted before converting file X, back up as X.orig.\n"),
584 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
586 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
588 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
592 Recursive accept/reject:\n"),
594 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
596 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
598 -D, --domains=LIST comma-separated list of accepted domains.\n"),
600 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
602 --follow-ftp follow FTP links from HTML documents.\n"),
604 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
606 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
608 -H, --span-hosts go to foreign hosts when recursive.\n"),
610 -L, --relative follow relative links only.\n"),
612 -I, --include-directories=LIST list of allowed directories.\n"),
614 -X, --exclude-directories=LIST list of excluded directories.\n"),
616 -np, --no-parent don't ascend to the parent directory.\n"),
619 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
624 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
628 for (i = 0; i < countof (help); i++)
629 fputs (_(help[i]), stdout);
637 printf ("GNU Wget %s\n\n", version_string);
639 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
641 This program is distributed in the hope that it will be useful,\n\
642 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
643 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
644 GNU General Public License for more details.\n"), stdout);
645 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
651 main (int argc, char *const *argv)
654 int i, ret, longindex;
656 int append_to_log = 0;
660 /* Construct the name of the executable, without the directory part. */
661 exec_name = strrchr (argv[0], PATH_SEPARATOR);
668 /* Drop extension (typically .EXE) from executable filename. */
669 windows_main (&argc, (char **) argv, (char **) &exec_name);
672 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
677 while ((ret = getopt_long (argc, argv,
678 short_options, long_options, &longindex)) != -1)
681 struct cmdline_option *opt;
683 /* If LONGINDEX is unchanged, it means RET is referring a short
691 printf (_("Try `%s --help' for more options.\n"), exec_name);
694 /* Find the short option character in the mapping. */
695 longindex = optmap[ret - 32];
697 val = long_options[longindex].val;
699 /* Use the retrieved value to locate the option in the
700 option_data array, and to see if we're dealing with the
701 negated "--no-FOO" variant of the boolean option "--foo". */
702 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
706 setoptval (opt->data, optarg);
710 /* The user has specified a value -- use it. */
711 setoptval (opt->data, optarg);
714 /* NEG is true for `--no-FOO' style boolean options. */
715 int neg = val & BOOLEAN_NEG_MARKER;
716 setoptval (opt->data, neg ? "0" : "1");
721 void (*func) PARAMS ((void)) = (void (*) PARAMS ((void))) opt->data;
725 case OPT__APPEND_OUTPUT:
726 setoptval ("logfile", optarg);
730 run_command (optarg);
734 /* We support real --no-FOO flags now, but keep these
735 short options for convenience and backward
738 for (p = optarg; *p; p++)
742 setoptval ("verbose", "0");
745 setoptval ("addhostdir", "0");
748 setoptval ("dirstruct", "0");
751 setoptval ("noclobber", "1");
754 setoptval ("noparent", "1");
757 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
760 printf (_("Try `%s --help' for more options.\n"), exec_name);
768 /* The wgetrc commands are named noparent and noclobber,
769 so we must revert the meaning of the cmdline options
770 before passing the value to setoptval. */
773 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
774 || (TOLOWER (optarg[0]) == 'o'
775 && TOLOWER (optarg[1]) == 'n'));
776 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
780 case OPT__DONT_REMOVE_LISTING:
781 setoptval ("removelisting", "0");
788 /* All user options have now been processed, so it's now safe to do
789 interoption dependency checks. */
791 if (opt.reclevel == 0)
792 opt.reclevel = INFINITE_RECURSION; /* see wget.h for commentary on this */
794 if (opt.page_requisites && !opt.recursive)
796 /* Don't set opt.recursive here because it would confuse the FTP
797 code. Instead, call retrieve_tree below when either
798 page_requisites or recursive is requested. */
800 if (!opt.no_dirstruct)
801 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
804 if (opt.verbose == -1)
805 opt.verbose = !opt.quiet;
808 if (opt.verbose && opt.quiet)
810 printf (_("Can't be verbose and quiet at the same time.\n"));
814 if (opt.timestamping && opt.noclobber)
817 Can't timestamp and not clobber old files at the same time.\n"));
822 if (opt.ipv4_only && opt.ipv6_only)
824 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
830 nurl = argc - optind;
831 if (!nurl && !opt.input_filename)
833 /* No URL specified. */
834 printf (_("%s: missing URL\n"), exec_name);
837 /* #### Something nicer should be printed here -- similar to the
838 pre-1.5 `--help' page. */
839 printf (_("Try `%s --help' for more options.\n"), exec_name);
844 fork_to_background ();
846 /* Initialize progress. Have to do this after the options are
847 processed so we know where the log file is. */
849 set_progress_implementation (opt.progress_type);
851 /* Fill in the arguments. */
852 url = alloca_array (char *, nurl + 1);
853 for (i = 0; i < nurl; i++, optind++)
855 char *rewritten = rewrite_shorthand_url (argv[optind]);
859 url[i] = xstrdup (argv[optind]);
863 /* Initialize logging. */
864 log_init (opt.lfilename, append_to_log);
866 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
869 /* Open the output filename if necessary. */
870 if (opt.output_document)
872 extern FILE *output_stream;
873 extern int output_stream_regular;
875 if (HYPHENP (opt.output_document))
876 output_stream = stdout;
880 output_stream = fopen (opt.output_document,
881 opt.always_rest ? "ab" : "wb");
882 if (output_stream == NULL)
884 perror (opt.output_document);
887 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
888 output_stream_regular = 1;
896 /* Setup the signal handler to redirect output when hangup is
899 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
900 signal(SIGHUP, redirect_output_signal);
901 /* ...and do the same for SIGUSR1. */
902 signal (SIGUSR1, redirect_output_signal);
903 /* Writing to a closed socket normally signals SIGPIPE, and the
904 process exits. What we want is to ignore SIGPIPE and just check
905 for the return value of write(). */
906 signal (SIGPIPE, SIG_IGN);
908 signal (SIGWINCH, progress_handle_sigwinch);
910 #endif /* HAVE_SIGNAL */
912 status = RETROK; /* initialize it, just-in-case */
913 /* Retrieve the URLs from argument list. */
914 for (t = url; *t; t++)
916 char *filename = NULL, *redirected_URL = NULL;
919 if ((opt.recursive || opt.page_requisites)
920 && url_scheme (*t) != SCHEME_FTP)
921 status = retrieve_tree (*t);
923 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
925 if (opt.delete_after && file_exists_p(filename))
927 DEBUGP (("Removing file due to --delete-after in main():\n"));
928 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
929 if (unlink (filename))
930 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
933 xfree_null (redirected_URL);
934 xfree_null (filename);
937 /* And then from the input file, if any. */
938 if (opt.input_filename)
941 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
943 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
946 /* Print the downloaded sum. */
947 if (opt.recursive || opt.page_requisites
949 || (opt.input_filename && total_downloaded_bytes != 0))
951 logprintf (LOG_NOTQUIET,
952 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
953 time_str (NULL), with_thousand_seps_large (total_downloaded_bytes),
955 /* Print quota warning, if exceeded. */
956 if (opt.quota && total_downloaded_bytes > opt.quota)
957 logprintf (LOG_NOTQUIET,
958 _("Download quota (%s bytes) EXCEEDED!\n"),
959 with_thousand_seps_large (opt.quota));
962 if (opt.cookies_output)
965 if (opt.convert_links && !opt.delete_after)
966 convert_all_links ();
969 for (i = 0; i < nurl; i++)
974 print_malloc_debug_stats ();
976 if (status == RETROK)
983 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
984 will proceed operation as usual, trying to write into a log file.
985 If that is impossible, the output will be turned off.
987 #### It is unsafe to do call libc functions from a signal handler.
988 What we should do is, set a global variable, and have the code in
992 redirect_output_signal (int sig)
994 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
995 (sig == SIGUSR1 ? "SIGUSR1" :
997 log_request_redirect_output (signal_name);
998 progress_schedule_redirect ();
999 signal (sig, redirect_output_signal);
1001 #endif /* HAVE_SIGNAL */