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 /* Where possible, sets only LC_MESSAGES and LC_CTYPE. Other
83 categories, such as numeric, time, or collation, break code that
84 parses data received from the network and relies on C-locale
85 behavior of libc functions. For example, Solaris strptime fails
86 to recognize English month names in non-English locales, which
87 breaks http_atotm. Some implementations of fnmatch perform
88 unwanted case folding in non-C locales. ctype macros, while they
89 were used, provided another example against LC_ALL. */
90 #if defined(LC_MESSAGES) && defined(LC_CTYPE)
91 setlocale (LC_MESSAGES, "");
92 setlocale (LC_CTYPE, ""); /* safe because we use safe-ctype */
94 setlocale (LC_ALL, "");
96 /* Set the text message domain. */
97 bindtextdomain ("wget", LOCALEDIR);
102 /* Definition of command-line options. */
104 static void print_help (void);
105 static void print_version (void);
110 # define IF_SSL(x) NULL
114 # define WHEN_DEBUG(x) x
116 # define WHEN_DEBUG(x) NULL
119 struct cmdline_option {
120 const char *long_name;
126 /* Non-standard options that have to be handled specially in
130 OPT__DONT_REMOVE_LISTING,
135 const void *data; /* for standard options */
136 int argtype; /* for non-standard options */
139 struct cmdline_option option_data[] =
141 { "accept", 'A', OPT_VALUE, "accept", -1 },
142 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
143 { "background", 'b', OPT_BOOLEAN, "background", -1 },
144 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
145 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
146 { "base", 'B', OPT_VALUE, "base", -1 },
147 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
148 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
149 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
150 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
151 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
152 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
153 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
154 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
155 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
156 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
157 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
158 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
159 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
160 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
161 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
162 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
163 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
164 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
165 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
166 { "domains", 'D', OPT_VALUE, "domains", -1 },
167 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
168 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
169 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
170 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
171 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
172 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
173 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
174 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
175 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
176 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
177 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
178 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
179 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
180 { "header", 0, OPT_VALUE, "header", -1 },
181 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
182 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
183 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
184 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
185 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
186 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
187 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
188 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
189 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
190 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
191 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
193 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
194 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
196 { "input-file", 'i', OPT_VALUE, "input", -1 },
197 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
198 { "level", 'l', OPT_VALUE, "reclevel", -1 },
199 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
200 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
201 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
202 { "no", 'n', OPT__NO, NULL, required_argument },
203 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
204 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
205 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
206 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
207 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
208 { "parent", 0, OPT__PARENT, NULL, optional_argument },
209 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
210 { "password", 0, OPT_VALUE, "password", -1 },
211 { "post-data", 0, OPT_VALUE, "postdata", -1 },
212 { "post-file", 0, OPT_VALUE, "postfile", -1 },
213 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
214 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
215 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
216 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
217 { "progress", 0, OPT_VALUE, "progress", -1 },
218 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
219 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
220 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
221 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
222 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
223 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
224 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
225 { "quota", 'Q', OPT_VALUE, "quota", -1 },
226 { "random-file", 0, OPT_VALUE, "randomfile", -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 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
240 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
241 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
242 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
243 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
244 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
245 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
246 { "tries", 't', OPT_VALUE, "tries", -1 },
247 { "user", 0, OPT_VALUE, "user", -1 },
248 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
249 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
250 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
251 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
252 { "wait", 'w', OPT_VALUE, "wait", -1 },
253 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
259 /* Return a string that contains S with "no-" prepended. The string
260 is NUL-terminated and allocated off static storage at Wget
264 no_prefix (const char *s)
266 static char buffer[1024];
267 static char *p = buffer;
270 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
271 if (p + size >= buffer + sizeof (buffer))
274 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
280 /* The arguments that that main passes to getopt_long. */
281 static struct option long_options[2 * countof (option_data) + 1];
282 static char short_options[128];
284 /* Mapping between short option chars and option_data indices. */
285 static unsigned char optmap[96];
287 /* Marker for `--no-FOO' values in long_options. */
288 #define BOOLEAN_NEG_MARKER 1024
290 /* Initialize the long_options array used by getopt_long from the data
296 char *p = short_options;
298 for (i = 0; i < countof (option_data); i++)
300 struct cmdline_option *opt = &option_data[i];
301 struct option *longopt;
304 /* The option is disabled. */
307 longopt = &long_options[o++];
308 longopt->name = opt->long_name;
312 *p++ = opt->short_name;
313 optmap[opt->short_name - 32] = longopt - long_options;
318 longopt->has_arg = required_argument;
323 /* Specify an optional argument for long options, so that
324 --option=off works the same as --no-option, for
325 compatibility with pre-1.10 Wget. However, don't specify
326 optional arguments short-option booleans because they
327 prevent combining of short options. */
328 longopt->has_arg = optional_argument;
329 /* For Boolean options, add the "--no-FOO" variant, which is
330 identical to "--foo", except it has opposite meaning and
331 it doesn't allow an argument. */
332 longopt = &long_options[o++];
333 longopt->name = no_prefix (opt->long_name);
334 longopt->has_arg = no_argument;
335 /* Mask the value so we'll be able to recognize that we're
336 dealing with the false value. */
337 longopt->val = i | BOOLEAN_NEG_MARKER;
340 assert (opt->argtype != -1);
341 longopt->has_arg = opt->argtype;
344 if (longopt->has_arg == required_argument)
346 /* Don't handle optional_argument */
350 /* Terminate short_options. */
352 /* No need for xzero(long_options[o]) because its storage is static
353 and it will be zeroed by default. */
354 assert (o <= countof (long_options));
357 /* Print the usage message. */
361 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
364 /* Print the help message, describing all the available options. If
365 you add an option, be sure to update this list. */
369 /* We split the help text this way to ease translation of individual
371 static const char *help[] = {
374 Mandatory arguments to long options are mandatory for short options too.\n\n"),
378 -V, --version display the version of Wget and exit.\n"),
380 -h, --help print this help.\n"),
382 -b, --background go to background after startup.\n"),
384 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
388 Logging and input file:\n"),
390 -o, --output-file=FILE log messages to FILE.\n"),
392 -a, --append-output=FILE append messages to FILE.\n"),
395 -d, --debug print lots of debugging information.\n"),
398 -q, --quiet quiet (no output).\n"),
400 -v, --verbose be verbose (this is the default).\n"),
402 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
404 -i, --input-file=FILE download URLs found in FILE.\n"),
406 -F, --force-html treat input file as HTML.\n"),
408 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
414 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
416 --retry-connrefused retry even if connection is refused.\n"),
418 -O, --output-document=FILE write documents to FILE.\n"),
420 -nc, --no-clobber skip downloads that would download to\n\
423 -c, --continue resume getting a partially-downloaded file.\n"),
425 --progress=TYPE select progress gauge type.\n"),
427 -N, --timestamping don't re-retrieve files unless newer than\n\
430 -S, --server-response print server response.\n"),
432 --spider don't download anything.\n"),
434 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
436 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
438 --connect-timeout=SECS set the connect timeout to SECS.\n"),
440 --read-timeout=SECS set the read timeout to SECS.\n"),
442 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
444 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
446 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
448 -Y, --proxy explicitly turn on proxy.\n"),
450 --no-proxy explicitly turn off proxy.\n"),
452 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
454 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
456 --limit-rate=RATE limit download rate to RATE.\n"),
458 --no-dns-cache disable caching DNS lookups.\n"),
460 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
463 -4, --inet4-only connect only to IPv4 addresses.\n"),
465 -6, --inet6-only connect only to IPv6 addresses.\n"),
467 --prefer-family=FAMILY connect first to addresses of specified family,\n\
468 one of IPv6, IPv4, or none.\n"),
471 --user=USER set both ftp and http user to USER.\n"),
473 --password=PASS set both ftp and http password to PASS.\n"),
479 -nd, --no-directories don't create directories.\n"),
481 -x, --force-directories force creation of directories.\n"),
483 -nH, --no-host-directories don't create host directories.\n"),
485 --protocol-directories use protocol name in directories.\n"),
487 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
489 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
495 --http-user=USER set http user to USER.\n"),
497 --http-password=PASS set http password to PASS.\n"),
499 --no-cache disallow server-cached data.\n"),
501 -E, --html-extension save HTML documents with `.html' extension.\n"),
503 --ignore-length ignore `Content-Length' header field.\n"),
505 --header=STRING insert STRING among the headers.\n"),
507 --proxy-user=USER set USER as proxy username.\n"),
509 --proxy-password=PASS set PASS as proxy password.\n"),
511 --referer=URL include `Referer: URL' header in HTTP request.\n"),
513 --save-headers save the HTTP headers to file.\n"),
515 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
517 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
519 --no-cookies don't use cookies.\n"),
521 --load-cookies=FILE load cookies from FILE before session.\n"),
523 --save-cookies=FILE save cookies to FILE after session.\n"),
525 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
527 --post-data=STRING use the POST method; send STRING as the data.\n"),
529 --post-file=FILE use the POST method; send contents of FILE.\n"),
534 HTTPS (SSL/TLS) options:\n"),
536 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
537 SSLv3, and TLSv1.\n"),
539 --no-check-certificate don't validate the server's certificate.\n"),
541 --certificate=FILE client certificate file.\n"),
543 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
545 --private-key=FILE private key file.\n"),
547 --private-key-type=TYPE private key type, PEM or DER.\n"),
549 --ca-certificate=FILE file with the bundle of CA's.\n"),
551 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
553 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
555 --egd-file=FILE file naming the EGD socket with random data.\n"),
557 #endif /* HAVE_SSL */
562 --ftp-user=USER set ftp user to USER.\n"),
564 --ftp-password=PASS set ftp password to PASS.\n"),
566 --no-remove-listing don't remove `.listing' files.\n"),
568 --no-glob turn off FTP file name globbing.\n"),
570 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
572 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
574 --preserve-permissions preserve remote file permissions.\n"),
578 Recursive download:\n"),
580 -r, --recursive specify recursive download.\n"),
582 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
584 --delete-after delete files locally after downloading them.\n"),
586 -k, --convert-links make links in downloaded HTML point to local files.\n"),
588 -K, --backup-converted before converting file X, back up as X.orig.\n"),
590 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
592 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
594 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
598 Recursive accept/reject:\n"),
600 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
602 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
604 -D, --domains=LIST comma-separated list of accepted domains.\n"),
606 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
608 --follow-ftp follow FTP links from HTML documents.\n"),
610 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
612 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
614 -H, --span-hosts go to foreign hosts when recursive.\n"),
616 -L, --relative follow relative links only.\n"),
618 -I, --include-directories=LIST list of allowed directories.\n"),
620 -X, --exclude-directories=LIST list of excluded directories.\n"),
622 -np, --no-parent don't ascend to the parent directory.\n"),
625 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
630 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
634 for (i = 0; i < countof (help); i++)
635 fputs (_(help[i]), stdout);
640 /* Return a human-readable printed representation of INTERVAL,
641 measured in seconds. */
644 secs_to_human_time (double interval)
647 int secs = (int) (interval + 0.5);
648 int hours, mins, days;
650 days = secs / 86400, secs %= 86400;
651 hours = secs / 3600, secs %= 3600;
652 mins = secs / 60, secs %= 60;
655 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
657 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
659 sprintf (buf, "%dm %ds", mins, secs);
660 else if (interval >= 10)
661 sprintf (buf, "%ds", secs);
663 /* For very quick downloads show more exact timing information. */
664 sprintf (buf, "%.*fs",
665 interval < 0.001 ? 0 : /* 0s instead of 0.000s */
666 interval < 0.01 ? 3 : /* 0.00x */
667 interval < 0.1 ? 2 : /* 0.0x */
668 1, /* 0.x, 1.x, ..., 9.x */
677 printf ("GNU Wget %s\n\n", version_string);
679 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
681 This program is distributed in the hope that it will be useful,\n\
682 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
683 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
684 GNU General Public License for more details.\n"), stdout);
685 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
691 main (int argc, char *const *argv)
694 int i, ret, longindex;
696 bool append_to_log = false;
700 /* Construct the name of the executable, without the directory part. */
701 exec_name = strrchr (argv[0], PATH_SEPARATOR);
708 /* Drop extension (typically .EXE) from executable filename. */
709 windows_main (&argc, (char **) argv, (char **) &exec_name);
712 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
717 while ((ret = getopt_long (argc, argv,
718 short_options, long_options, &longindex)) != -1)
721 struct cmdline_option *opt;
723 /* If LONGINDEX is unchanged, it means RET is referring a short
731 printf (_("Try `%s --help' for more options.\n"), exec_name);
734 /* Find the short option character in the mapping. */
735 longindex = optmap[ret - 32];
737 val = long_options[longindex].val;
739 /* Use the retrieved value to locate the option in the
740 option_data array, and to see if we're dealing with the
741 negated "--no-FOO" variant of the boolean option "--foo". */
742 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
746 setoptval (opt->data, optarg, opt->long_name);
750 /* The user has specified a value -- use it. */
751 setoptval (opt->data, optarg, opt->long_name);
754 /* NEG is true for `--no-FOO' style boolean options. */
755 bool neg = !!(val & BOOLEAN_NEG_MARKER);
756 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
761 void (*func) (void) = (void (*) (void)) opt->data;
765 case OPT__APPEND_OUTPUT:
766 setoptval ("logfile", optarg, opt->long_name);
767 append_to_log = true;
770 run_command (optarg);
774 /* We support real --no-FOO flags now, but keep these
775 short options for convenience and backward
778 for (p = optarg; *p; p++)
782 setoptval ("verbose", "0", opt->long_name);
785 setoptval ("addhostdir", "0", opt->long_name);
788 setoptval ("dirstruct", "0", opt->long_name);
791 setoptval ("noclobber", "1", opt->long_name);
794 setoptval ("noparent", "1", opt->long_name);
797 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
800 printf (_("Try `%s --help' for more options.\n"), exec_name);
808 /* The wgetrc commands are named noparent and noclobber,
809 so we must revert the meaning of the cmdline options
810 before passing the value to setoptval. */
813 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
814 || (TOLOWER (optarg[0]) == 'o'
815 && TOLOWER (optarg[1]) == 'n'));
816 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
817 flag ? "0" : "1", opt->long_name);
820 case OPT__DONT_REMOVE_LISTING:
821 setoptval ("removelisting", "0", opt->long_name);
828 /* All user options have now been processed, so it's now safe to do
829 interoption dependency checks. */
831 if (opt.reclevel == 0)
832 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
834 if (opt.page_requisites && !opt.recursive)
836 /* Don't set opt.recursive here because it would confuse the FTP
837 code. Instead, call retrieve_tree below when either
838 page_requisites or recursive is requested. */
840 if (!opt.no_dirstruct)
841 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
844 if (opt.verbose == -1)
845 opt.verbose = !opt.quiet;
848 if (opt.verbose && opt.quiet)
850 printf (_("Can't be verbose and quiet at the same time.\n"));
854 if (opt.timestamping && opt.noclobber)
857 Can't timestamp and not clobber old files at the same time.\n"));
862 if (opt.ipv4_only && opt.ipv6_only)
864 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
870 nurl = argc - optind;
871 if (!nurl && !opt.input_filename)
873 /* No URL specified. */
874 printf (_("%s: missing URL\n"), exec_name);
877 /* #### Something nicer should be printed here -- similar to the
878 pre-1.5 `--help' page. */
879 printf (_("Try `%s --help' for more options.\n"), exec_name);
884 fork_to_background ();
886 /* Initialize progress. Have to do this after the options are
887 processed so we know where the log file is. */
889 set_progress_implementation (opt.progress_type);
891 /* Fill in the arguments. */
892 url = alloca_array (char *, nurl + 1);
893 for (i = 0; i < nurl; i++, optind++)
895 char *rewritten = rewrite_shorthand_url (argv[optind]);
899 url[i] = xstrdup (argv[optind]);
903 /* Initialize logging. */
904 log_init (opt.lfilename, append_to_log);
906 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
909 /* Open the output filename if necessary. */
910 if (opt.output_document)
912 extern FILE *output_stream;
913 extern bool output_stream_regular;
915 if (HYPHENP (opt.output_document))
916 output_stream = stdout;
920 output_stream = fopen (opt.output_document,
921 opt.always_rest ? "ab" : "wb");
922 if (output_stream == NULL)
924 perror (opt.output_document);
927 if (fstat (fileno (output_stream), &st) == 0 && S_ISREG (st.st_mode))
928 output_stream_regular = true;
937 /* Setup the signal handler to redirect output when hangup is
939 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
940 signal(SIGHUP, redirect_output_signal);
942 /* ...and do the same for SIGUSR1. */
944 signal (SIGUSR1, redirect_output_signal);
947 /* Writing to a closed socket normally signals SIGPIPE, and the
948 process exits. What we want is to ignore SIGPIPE and just check
949 for the return value of write(). */
950 signal (SIGPIPE, SIG_IGN);
953 signal (SIGWINCH, progress_handle_sigwinch);
956 status = RETROK; /* initialize it, just-in-case */
957 /* Retrieve the URLs from argument list. */
958 for (t = url; *t; t++)
960 char *filename = NULL, *redirected_URL = NULL;
963 if ((opt.recursive || opt.page_requisites)
964 && url_scheme (*t) != SCHEME_FTP)
965 status = retrieve_tree (*t);
967 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
969 if (opt.delete_after && file_exists_p(filename))
971 DEBUGP (("Removing file due to --delete-after in main():\n"));
972 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
973 if (unlink (filename))
974 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
977 xfree_null (redirected_URL);
978 xfree_null (filename);
981 /* And then from the input file, if any. */
982 if (opt.input_filename)
985 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
987 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
990 /* Print the downloaded sum. */
991 if (opt.recursive || opt.page_requisites
993 || (opt.input_filename && total_downloaded_bytes != 0))
995 logprintf (LOG_NOTQUIET,
996 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
999 human_readable (total_downloaded_bytes),
1000 secs_to_human_time (total_download_time / 1000),
1001 retr_rate (total_downloaded_bytes, total_download_time));
1002 /* Print quota warning, if exceeded. */
1003 if (opt.quota && total_downloaded_bytes > opt.quota)
1004 logprintf (LOG_NOTQUIET,
1005 _("Download quota of %s EXCEEDED!\n"),
1006 human_readable (opt.quota));
1009 if (opt.cookies_output)
1012 if (opt.convert_links && !opt.delete_after)
1013 convert_all_links ();
1016 for (i = 0; i < nurl; i++)
1021 print_malloc_debug_stats ();
1023 if (status == RETROK)
1029 #if defined(SIGHUP) || defined(SIGUSR1)
1030 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1031 will proceed operation as usual, trying to write into a log file.
1032 If that is impossible, the output will be turned off. */
1035 redirect_output_signal (int sig)
1037 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1038 (sig == SIGUSR1 ? "SIGUSR1" :
1040 log_request_redirect_output (signal_name);
1041 progress_schedule_redirect ();
1042 signal (sig, redirect_output_signal);