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 */
39 #if defined(HAVE_NLS) && defined(HAVE_LOCALE_H)
52 #include "progress.h" /* for progress_handle_sigwinch */
55 /* On GNU system this will include system-wide getopt.h. */
58 #ifndef PATH_SEPARATOR
59 # define PATH_SEPARATOR '/'
64 extern char *version_string;
66 extern struct cookie_jar *wget_cookie_jar;
68 static void redirect_output_signal (int);
70 const char *exec_name;
72 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
73 setting up gettext's message catalog using bindtextdomain and
74 textdomain. Does nothing if NLS is disabled or missing. */
77 i18n_initialize (void)
79 /* HAVE_NLS implies existence of functions invoked here. */
81 /* Set the current locale. */
82 setlocale (LC_ALL, "");
83 /* Set the text message domain. */
84 bindtextdomain ("wget", LOCALEDIR);
89 /* Definition of command-line options. */
91 static void print_help (void);
92 static void print_version (void);
97 # define IF_SSL(x) NULL
101 # define WHEN_DEBUG(x) x
103 # define WHEN_DEBUG(x) NULL
106 struct cmdline_option {
107 const char *long_name;
113 /* Non-standard options that have to be handled specially in
117 OPT__DONT_REMOVE_LISTING,
122 const void *data; /* for standard options */
123 int argtype; /* for non-standard options */
126 struct cmdline_option option_data[] =
128 { "accept", 'A', OPT_VALUE, "accept", -1 },
129 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
130 { "background", 'b', OPT_BOOLEAN, "background", -1 },
131 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
132 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
133 { "base", 'B', OPT_VALUE, "base", -1 },
134 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
135 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
136 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
137 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
138 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
139 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
140 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
141 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
142 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
143 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
144 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
145 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
146 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
147 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
148 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
149 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
150 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
151 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
152 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
153 { "domains", 'D', OPT_VALUE, "domains", -1 },
154 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
155 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
156 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
157 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
158 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
159 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
160 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
161 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
162 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
163 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
164 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
165 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
166 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
167 { "header", 0, OPT_VALUE, "header", -1 },
168 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
169 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
170 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
171 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
172 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
173 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
174 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
175 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
176 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
177 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
178 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
180 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
181 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
183 { "input-file", 'i', OPT_VALUE, "input", -1 },
184 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
185 { "level", 'l', OPT_VALUE, "reclevel", -1 },
186 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
187 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
188 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
189 { "no", 'n', OPT__NO, NULL, required_argument },
190 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
191 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
192 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
193 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
194 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
195 { "parent", 0, OPT__PARENT, NULL, optional_argument },
196 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
197 { "password", 0, OPT_VALUE, "password", -1 },
198 { "post-data", 0, OPT_VALUE, "postdata", -1 },
199 { "post-file", 0, OPT_VALUE, "postfile", -1 },
200 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
201 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
202 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
203 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
204 { "progress", 0, OPT_VALUE, "progress", -1 },
205 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
206 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
207 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
208 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
209 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
210 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
211 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
212 { "quota", 'Q', OPT_VALUE, "quota", -1 },
213 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
214 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
215 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
216 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
217 { "referer", 0, OPT_VALUE, "referer", -1 },
218 { "reject", 'R', OPT_VALUE, "reject", -1 },
219 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
220 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
221 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
222 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
223 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
224 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
225 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
226 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
227 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
228 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
229 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
230 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
231 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
232 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
233 { "tries", 't', OPT_VALUE, "tries", -1 },
234 { "user", 0, OPT_VALUE, "user", -1 },
235 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
236 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
237 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
238 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
239 { "wait", 'w', OPT_VALUE, "wait", -1 },
240 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
246 /* Return a string that contains S with "no-" prepended. The string
247 is NUL-terminated and allocated off static storage at Wget
251 no_prefix (const char *s)
253 static char buffer[1024];
254 static char *p = buffer;
257 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
258 if (p + size >= buffer + sizeof (buffer))
261 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
267 /* The arguments that that main passes to getopt_long. */
268 static struct option long_options[2 * countof (option_data) + 1];
269 static char short_options[128];
271 /* Mapping between short option chars and option_data indices. */
272 static unsigned char optmap[96];
274 /* Marker for `--no-FOO' values in long_options. */
275 #define BOOLEAN_NEG_MARKER 1024
277 /* Initialize the long_options array used by getopt_long from the data
283 char *p = short_options;
285 for (i = 0; i < countof (option_data); i++)
287 struct cmdline_option *opt = &option_data[i];
288 struct option *longopt;
291 /* The option is disabled. */
294 longopt = &long_options[o++];
295 longopt->name = opt->long_name;
299 *p++ = opt->short_name;
300 optmap[opt->short_name - 32] = longopt - long_options;
305 longopt->has_arg = required_argument;
310 /* Specify an optional argument for long options, so that
311 --option=off works the same as --no-option, for
312 compatibility with pre-1.10 Wget. However, don't specify
313 optional arguments short-option booleans because they
314 prevent combining of short options. */
315 longopt->has_arg = optional_argument;
316 /* For Boolean options, add the "--no-FOO" variant, which is
317 identical to "--foo", except it has opposite meaning and
318 it doesn't allow an argument. */
319 longopt = &long_options[o++];
320 longopt->name = no_prefix (opt->long_name);
321 longopt->has_arg = no_argument;
322 /* Mask the value so we'll be able to recognize that we're
323 dealing with the false value. */
324 longopt->val = i | BOOLEAN_NEG_MARKER;
327 assert (opt->argtype != -1);
328 longopt->has_arg = opt->argtype;
331 if (longopt->has_arg == required_argument)
333 /* Don't handle optional_argument */
337 /* Terminate short_options. */
339 /* No need for xzero(long_options[o]) because its storage is static
340 and it will be zeroed by default. */
341 assert (o <= countof (long_options));
344 /* Print the usage message. */
348 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
351 /* Print the help message, describing all the available options. If
352 you add an option, be sure to update this list. */
356 /* We split the help text this way to ease translation of individual
358 static const char *help[] = {
361 Mandatory arguments to long options are mandatory for short options too.\n\n"),
365 -V, --version display the version of Wget and exit.\n"),
367 -h, --help print this help.\n"),
369 -b, --background go to background after startup.\n"),
371 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
375 Logging and input file:\n"),
377 -o, --output-file=FILE log messages to FILE.\n"),
379 -a, --append-output=FILE append messages to FILE.\n"),
382 -d, --debug print lots of debugging information.\n"),
385 -q, --quiet quiet (no output).\n"),
387 -v, --verbose be verbose (this is the default).\n"),
389 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
391 -i, --input-file=FILE download URLs found in FILE.\n"),
393 -F, --force-html treat input file as HTML.\n"),
395 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
401 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
403 --retry-connrefused retry even if connection is refused.\n"),
405 -O, --output-document=FILE write documents to FILE.\n"),
407 -nc, --no-clobber skip downloads that would download to\n\
410 -c, --continue resume getting a partially-downloaded file.\n"),
412 --progress=TYPE select progress gauge type.\n"),
414 -N, --timestamping don't re-retrieve files unless newer than\n\
417 -S, --server-response print server response.\n"),
419 --spider don't download anything.\n"),
421 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
423 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
425 --connect-timeout=SECS set the connect timeout to SECS.\n"),
427 --read-timeout=SECS set the read timeout to SECS.\n"),
429 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
431 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
433 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
435 -Y, --proxy explicitly turn on proxy.\n"),
437 --no-proxy explicitly turn off proxy.\n"),
439 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
441 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
443 --limit-rate=RATE limit download rate to RATE.\n"),
445 --no-dns-cache disable caching DNS lookups.\n"),
447 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
450 -4, --inet4-only connect only to IPv4 addresses.\n"),
452 -6, --inet6-only connect only to IPv6 addresses.\n"),
454 --prefer-family=FAMILY connect first to addresses of specified family,\n\
455 one of IPv6, IPv4, or none.\n"),
458 --user=USER set both ftp and http user to USER.\n"),
460 --password=PASS set both ftp and http password to PASS.\n"),
466 -nd, --no-directories don't create directories.\n"),
468 -x, --force-directories force creation of directories.\n"),
470 -nH, --no-host-directories don't create host directories.\n"),
472 --protocol-directories use protocol name in directories.\n"),
474 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
476 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
482 --http-user=USER set http user to USER.\n"),
484 --http-password=PASS set http password to PASS.\n"),
486 --no-cache disallow server-cached data.\n"),
488 -E, --html-extension save HTML documents with `.html' extension.\n"),
490 --ignore-length ignore `Content-Length' header field.\n"),
492 --header=STRING insert STRING among the headers.\n"),
494 --proxy-user=USER set USER as proxy username.\n"),
496 --proxy-password=PASS set PASS as proxy password.\n"),
498 --referer=URL include `Referer: URL' header in HTTP request.\n"),
500 --save-headers save the HTTP headers to file.\n"),
502 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
504 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
506 --no-cookies don't use cookies.\n"),
508 --load-cookies=FILE load cookies from FILE before session.\n"),
510 --save-cookies=FILE save cookies to FILE after session.\n"),
512 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
514 --post-data=STRING use the POST method; send STRING as the data.\n"),
516 --post-file=FILE use the POST method; send contents of FILE.\n"),
521 HTTPS (SSL/TLS) options:\n"),
523 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
524 SSLv3, and TLSv1.\n"),
526 --no-check-certificate don't validate the server's certificate.\n"),
528 --certificate=FILE client certificate file.\n"),
530 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
532 --private-key=FILE private key file.\n"),
534 --private-key-type=TYPE private key type, PEM or DER.\n"),
536 --ca-certificate=FILE file with the bundle of CA's.\n"),
538 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
540 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
542 --egd-file=FILE file naming the EGD socket with random data.\n"),
544 #endif /* HAVE_SSL */
549 --ftp-user=USER set ftp user to USER.\n"),
551 --ftp-password=PASS set ftp password to PASS.\n"),
553 --no-remove-listing don't remove `.listing' files.\n"),
555 --no-glob turn off FTP file name globbing.\n"),
557 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
559 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
561 --preserve-permissions preserve remote file permissions.\n"),
565 Recursive download:\n"),
567 -r, --recursive specify recursive download.\n"),
569 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
571 --delete-after delete files locally after downloading them.\n"),
573 -k, --convert-links make links in downloaded HTML point to local files.\n"),
575 -K, --backup-converted before converting file X, back up as X.orig.\n"),
577 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
579 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
581 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
585 Recursive accept/reject:\n"),
587 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
589 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
591 -D, --domains=LIST comma-separated list of accepted domains.\n"),
593 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
595 --follow-ftp follow FTP links from HTML documents.\n"),
597 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
599 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
601 -H, --span-hosts go to foreign hosts when recursive.\n"),
603 -L, --relative follow relative links only.\n"),
605 -I, --include-directories=LIST list of allowed directories.\n"),
607 -X, --exclude-directories=LIST list of excluded directories.\n"),
609 -np, --no-parent don't ascend to the parent directory.\n"),
612 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
617 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
621 for (i = 0; i < countof (help); i++)
622 fputs (_(help[i]), stdout);
627 /* Return a human-readable printed representation of INTERVAL,
628 measured in seconds. */
631 secs_to_human_time (double interval)
634 int secs = (int) (interval + 0.5);
635 int hours, mins, days;
637 days = secs / 86400, secs %= 86400;
638 hours = secs / 3600, secs %= 3600;
639 mins = secs / 60, secs %= 60;
642 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
644 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
646 sprintf (buf, "%dm %ds", mins, secs);
647 else if (interval >= 10)
648 sprintf (buf, "%ds", secs);
650 /* For very quick downloads show more exact timing information. */
651 sprintf (buf, "%.*fs",
652 interval < 0.001 ? 0 : /* 0s instead of 0.000s */
653 interval < 0.01 ? 3 : /* 0.00x */
654 interval < 0.1 ? 2 : /* 0.0x */
655 1, /* 0.x, 1.x, ..., 9.x */
664 printf ("GNU Wget %s\n\n", version_string);
666 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
668 This program is distributed in the hope that it will be useful,\n\
669 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
670 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
671 GNU General Public License for more details.\n"), stdout);
672 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
678 main (int argc, char *const *argv)
681 int i, ret, longindex;
683 bool append_to_log = false;
687 /* Construct the name of the executable, without the directory part. */
688 exec_name = strrchr (argv[0], PATH_SEPARATOR);
695 /* Drop extension (typically .EXE) from executable filename. */
696 windows_main (&argc, (char **) argv, (char **) &exec_name);
699 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
704 while ((ret = getopt_long (argc, argv,
705 short_options, long_options, &longindex)) != -1)
708 struct cmdline_option *opt;
710 /* If LONGINDEX is unchanged, it means RET is referring a short
718 printf (_("Try `%s --help' for more options.\n"), exec_name);
721 /* Find the short option character in the mapping. */
722 longindex = optmap[ret - 32];
724 val = long_options[longindex].val;
726 /* Use the retrieved value to locate the option in the
727 option_data array, and to see if we're dealing with the
728 negated "--no-FOO" variant of the boolean option "--foo". */
729 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
733 setoptval (opt->data, optarg, opt->long_name);
737 /* The user has specified a value -- use it. */
738 setoptval (opt->data, optarg, opt->long_name);
741 /* NEG is true for `--no-FOO' style boolean options. */
742 bool neg = !!(val & BOOLEAN_NEG_MARKER);
743 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
748 void (*func) (void) = (void (*) (void)) opt->data;
752 case OPT__APPEND_OUTPUT:
753 setoptval ("logfile", optarg, opt->long_name);
754 append_to_log = true;
757 run_command (optarg);
761 /* We support real --no-FOO flags now, but keep these
762 short options for convenience and backward
765 for (p = optarg; *p; p++)
769 setoptval ("verbose", "0", opt->long_name);
772 setoptval ("addhostdir", "0", opt->long_name);
775 setoptval ("dirstruct", "0", opt->long_name);
778 setoptval ("noclobber", "1", opt->long_name);
781 setoptval ("noparent", "1", opt->long_name);
784 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
787 printf (_("Try `%s --help' for more options.\n"), exec_name);
795 /* The wgetrc commands are named noparent and noclobber,
796 so we must revert the meaning of the cmdline options
797 before passing the value to setoptval. */
800 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
801 || (TOLOWER (optarg[0]) == 'o'
802 && TOLOWER (optarg[1]) == 'n'));
803 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
804 flag ? "0" : "1", opt->long_name);
807 case OPT__DONT_REMOVE_LISTING:
808 setoptval ("removelisting", "0", opt->long_name);
815 /* All user options have now been processed, so it's now safe to do
816 interoption dependency checks. */
818 if (opt.reclevel == 0)
819 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
821 if (opt.page_requisites && !opt.recursive)
823 /* Don't set opt.recursive here because it would confuse the FTP
824 code. Instead, call retrieve_tree below when either
825 page_requisites or recursive is requested. */
827 if (!opt.no_dirstruct)
828 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
831 if (opt.verbose == -1)
832 opt.verbose = !opt.quiet;
835 if (opt.verbose && opt.quiet)
837 printf (_("Can't be verbose and quiet at the same time.\n"));
841 if (opt.timestamping && opt.noclobber)
844 Can't timestamp and not clobber old files at the same time.\n"));
849 if (opt.ipv4_only && opt.ipv6_only)
851 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
857 nurl = argc - optind;
858 if (!nurl && !opt.input_filename)
860 /* No URL specified. */
861 printf (_("%s: missing URL\n"), exec_name);
864 /* #### Something nicer should be printed here -- similar to the
865 pre-1.5 `--help' page. */
866 printf (_("Try `%s --help' for more options.\n"), exec_name);
871 fork_to_background ();
873 /* Initialize progress. Have to do this after the options are
874 processed so we know where the log file is. */
876 set_progress_implementation (opt.progress_type);
878 /* Fill in the arguments. */
879 url = alloca_array (char *, nurl + 1);
880 for (i = 0; i < nurl; i++, optind++)
882 char *rewritten = rewrite_shorthand_url (argv[optind]);
886 url[i] = xstrdup (argv[optind]);
890 /* Initialize logging. */
891 log_init (opt.lfilename, append_to_log);
893 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
896 /* Open the output filename if necessary. */
897 if (opt.output_document)
899 extern FILE *output_stream;
900 extern bool output_stream_regular;
902 if (HYPHENP (opt.output_document))
903 output_stream = stdout;
907 output_stream = fopen (opt.output_document,
908 opt.always_rest ? "ab" : "wb");
909 if (output_stream == NULL)
911 perror (opt.output_document);
914 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
915 output_stream_regular = true;
924 /* Setup the signal handler to redirect output when hangup is
926 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
927 signal(SIGHUP, redirect_output_signal);
929 /* ...and do the same for SIGUSR1. */
931 signal (SIGUSR1, redirect_output_signal);
934 /* Writing to a closed socket normally signals SIGPIPE, and the
935 process exits. What we want is to ignore SIGPIPE and just check
936 for the return value of write(). */
937 signal (SIGPIPE, SIG_IGN);
940 signal (SIGWINCH, progress_handle_sigwinch);
943 status = RETROK; /* initialize it, just-in-case */
944 /* Retrieve the URLs from argument list. */
945 for (t = url; *t; t++)
947 char *filename = NULL, *redirected_URL = NULL;
950 if ((opt.recursive || opt.page_requisites)
951 && url_scheme (*t) != SCHEME_FTP)
952 status = retrieve_tree (*t);
954 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
956 if (opt.delete_after && file_exists_p(filename))
958 DEBUGP (("Removing file due to --delete-after in main():\n"));
959 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
960 if (unlink (filename))
961 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
964 xfree_null (redirected_URL);
965 xfree_null (filename);
968 /* And then from the input file, if any. */
969 if (opt.input_filename)
972 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
974 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
977 /* Print the downloaded sum. */
978 if (opt.recursive || opt.page_requisites
980 || (opt.input_filename && total_downloaded_bytes != 0))
982 logprintf (LOG_NOTQUIET,
983 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
986 human_readable (total_downloaded_bytes),
987 secs_to_human_time (total_download_time / 1000),
988 retr_rate (total_downloaded_bytes, total_download_time));
989 /* Print quota warning, if exceeded. */
990 if (opt.quota && total_downloaded_bytes > opt.quota)
991 logprintf (LOG_NOTQUIET,
992 _("Download quota of %s EXCEEDED!\n"),
993 human_readable (opt.quota));
996 if (opt.cookies_output)
999 if (opt.convert_links && !opt.delete_after)
1000 convert_all_links ();
1003 for (i = 0; i < nurl; i++)
1008 print_malloc_debug_stats ();
1010 if (status == RETROK)
1016 #if defined(SIGHUP) || defined(SIGUSR1)
1017 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1018 will proceed operation as usual, trying to write into a log file.
1019 If that is impossible, the output will be turned off. */
1022 redirect_output_signal (int sig)
1024 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1025 (sig == SIGUSR1 ? "SIGUSR1" :
1027 log_request_redirect_output (signal_name);
1028 progress_schedule_redirect ();
1029 signal (sig, redirect_output_signal);