1 /* Command line parsing.
2 Copyright (C) 1996-2005 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 Foundation, Inc.,
18 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 */
52 #include "progress.h" /* for progress_handle_sigwinch */
54 #include "http.h" /* for save_cookies */
56 /* On GNU system this will include system-wide getopt.h. */
59 #ifndef PATH_SEPARATOR
60 # define PATH_SEPARATOR '/'
65 extern char *version_string;
67 #if defined(SIGHUP) || defined(SIGUSR1)
68 static void redirect_output_signal (int);
71 const char *exec_name;
73 /* Initialize I18N/L10N. That amounts to invoking setlocale, and
74 setting up gettext's message catalog using bindtextdomain and
75 textdomain. Does nothing if NLS is disabled or missing. */
78 i18n_initialize (void)
80 /* HAVE_NLS implies existence of functions invoked here. */
82 /* Set the current locale. */
83 setlocale (LC_ALL, "");
84 /* Set the text message domain. */
85 bindtextdomain ("wget", LOCALEDIR);
90 /* Definition of command-line options. */
92 static void print_help (void);
93 static void print_version (void);
98 # define IF_SSL(x) NULL
102 # define WHEN_DEBUG(x) x
104 # define WHEN_DEBUG(x) NULL
107 struct cmdline_option {
108 const char *long_name;
114 /* Non-standard options that have to be handled specially in
118 OPT__DONT_REMOVE_LISTING,
123 const void *data; /* for standard options */
124 int argtype; /* for non-standard options */
127 static struct cmdline_option option_data[] =
129 { "accept", 'A', OPT_VALUE, "accept", -1 },
130 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
131 { "background", 'b', OPT_BOOLEAN, "background", -1 },
132 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
133 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
134 { "base", 'B', OPT_VALUE, "base", -1 },
135 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
136 { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
137 { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
138 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
139 { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
140 { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
141 { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
142 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
143 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
144 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
145 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
146 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
147 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
148 { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
149 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
150 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
151 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
152 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
153 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
154 { "domains", 'D', OPT_VALUE, "domains", -1 },
155 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
156 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
157 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
158 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
159 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
160 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
161 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
162 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
163 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
164 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
165 { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
166 { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
167 { "glob", 0, OPT_BOOLEAN, "glob", -1 },
168 { "header", 0, OPT_VALUE, "header", -1 },
169 { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
170 { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
171 { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
172 { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
173 { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
174 { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
175 { "http-password", 0, OPT_VALUE, "httppassword", -1 },
176 { "http-user", 0, OPT_VALUE, "httpuser", -1 },
177 { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
178 { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
179 { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
180 { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
182 { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
183 { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
185 { "input-file", 'i', OPT_VALUE, "input", -1 },
186 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
187 { "level", 'l', OPT_VALUE, "reclevel", -1 },
188 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
189 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
190 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
191 { "no", 'n', OPT__NO, NULL, required_argument },
192 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
193 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
194 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
195 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
196 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
197 { "parent", 0, OPT__PARENT, NULL, optional_argument },
198 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
199 { "password", 0, OPT_VALUE, "password", -1 },
200 { "post-data", 0, OPT_VALUE, "postdata", -1 },
201 { "post-file", 0, OPT_VALUE, "postfile", -1 },
202 { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
203 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
204 { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
205 { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
206 { "progress", 0, OPT_VALUE, "progress", -1 },
207 { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
208 { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
209 { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
210 { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
211 { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
212 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
213 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
214 { "quota", 'Q', OPT_VALUE, "quota", -1 },
215 { "random-file", 0, OPT_VALUE, "randomfile", -1 },
216 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
217 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
218 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
219 { "referer", 0, OPT_VALUE, "referer", -1 },
220 { "reject", 'R', OPT_VALUE, "reject", -1 },
221 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
222 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
223 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
224 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
225 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
226 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
227 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
228 { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
229 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
230 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
231 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
232 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
233 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
234 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
235 { "tries", 't', OPT_VALUE, "tries", -1 },
236 { "user", 0, OPT_VALUE, "user", -1 },
237 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
238 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
239 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
240 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
241 { "wait", 'w', OPT_VALUE, "wait", -1 },
242 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
248 /* Return a string that contains S with "no-" prepended. The string
249 is NUL-terminated and allocated off static storage at Wget
253 no_prefix (const char *s)
255 static char buffer[1024];
256 static char *p = buffer;
259 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
260 if (p + size >= buffer + sizeof (buffer))
263 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
269 /* The arguments that that main passes to getopt_long. */
270 static struct option long_options[2 * countof (option_data) + 1];
271 static char short_options[128];
273 /* Mapping between short option chars and option_data indices. */
274 static unsigned char optmap[96];
276 /* Marker for `--no-FOO' values in long_options. */
277 #define BOOLEAN_NEG_MARKER 1024
279 /* Initialize the long_options array used by getopt_long from the data
285 char *p = short_options;
287 for (i = 0; i < countof (option_data); i++)
289 struct cmdline_option *opt = &option_data[i];
290 struct option *longopt;
293 /* The option is disabled. */
296 longopt = &long_options[o++];
297 longopt->name = opt->long_name;
301 *p++ = opt->short_name;
302 optmap[opt->short_name - 32] = longopt - long_options;
307 longopt->has_arg = required_argument;
312 /* Specify an optional argument for long options, so that
313 --option=off works the same as --no-option, for
314 compatibility with pre-1.10 Wget. However, don't specify
315 optional arguments short-option booleans because they
316 prevent combining of short options. */
317 longopt->has_arg = optional_argument;
318 /* For Boolean options, add the "--no-FOO" variant, which is
319 identical to "--foo", except it has opposite meaning and
320 it doesn't allow an argument. */
321 longopt = &long_options[o++];
322 longopt->name = no_prefix (opt->long_name);
323 longopt->has_arg = no_argument;
324 /* Mask the value so we'll be able to recognize that we're
325 dealing with the false value. */
326 longopt->val = i | BOOLEAN_NEG_MARKER;
329 assert (opt->argtype != -1);
330 longopt->has_arg = opt->argtype;
333 if (longopt->has_arg == required_argument)
335 /* Don't handle optional_argument */
339 /* Terminate short_options. */
341 /* No need for xzero(long_options[o]) because its storage is static
342 and it will be zeroed by default. */
343 assert (o <= countof (long_options));
346 /* Print the usage message. */
350 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
353 /* Print the help message, describing all the available options. If
354 you add an option, be sure to update this list. */
358 /* We split the help text this way to ease translation of individual
360 static const char *help[] = {
363 Mandatory arguments to long options are mandatory for short options too.\n\n"),
367 -V, --version display the version of Wget and exit.\n"),
369 -h, --help print this help.\n"),
371 -b, --background go to background after startup.\n"),
373 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
377 Logging and input file:\n"),
379 -o, --output-file=FILE log messages to FILE.\n"),
381 -a, --append-output=FILE append messages to FILE.\n"),
384 -d, --debug print lots of debugging information.\n"),
387 -q, --quiet quiet (no output).\n"),
389 -v, --verbose be verbose (this is the default).\n"),
391 -nv, --no-verbose turn off verboseness, without being quiet.\n"),
393 -i, --input-file=FILE download URLs found in FILE.\n"),
395 -F, --force-html treat input file as HTML.\n"),
397 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
403 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
405 --retry-connrefused retry even if connection is refused.\n"),
407 -O, --output-document=FILE write documents to FILE.\n"),
409 -nc, --no-clobber skip downloads that would download to\n\
412 -c, --continue resume getting a partially-downloaded file.\n"),
414 --progress=TYPE select progress gauge type.\n"),
416 -N, --timestamping don't re-retrieve files unless newer than\n\
419 -S, --server-response print server response.\n"),
421 --spider don't download anything.\n"),
423 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
425 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
427 --connect-timeout=SECS set the connect timeout to SECS.\n"),
429 --read-timeout=SECS set the read timeout to SECS.\n"),
431 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
433 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
435 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
437 -Y, --proxy explicitly turn on proxy.\n"),
439 --no-proxy explicitly turn off proxy.\n"),
441 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
443 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
445 --limit-rate=RATE limit download rate to RATE.\n"),
447 --no-dns-cache disable caching DNS lookups.\n"),
449 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
451 --ignore-case ignore case when matching files/directories.\n"),
454 -4, --inet4-only connect only to IPv4 addresses.\n"),
456 -6, --inet6-only connect only to IPv6 addresses.\n"),
458 --prefer-family=FAMILY connect first to addresses of specified family,\n\
459 one of IPv6, IPv4, or none.\n"),
462 --user=USER set both ftp and http user to USER.\n"),
464 --password=PASS set both ftp and http password to PASS.\n"),
470 -nd, --no-directories don't create directories.\n"),
472 -x, --force-directories force creation of directories.\n"),
474 -nH, --no-host-directories don't create host directories.\n"),
476 --protocol-directories use protocol name in directories.\n"),
478 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
480 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
486 --http-user=USER set http user to USER.\n"),
488 --http-password=PASS set http password to PASS.\n"),
490 --no-cache disallow server-cached data.\n"),
492 -E, --html-extension save HTML documents with `.html' extension.\n"),
494 --ignore-length ignore `Content-Length' header field.\n"),
496 --header=STRING insert STRING among the headers.\n"),
498 --proxy-user=USER set USER as proxy username.\n"),
500 --proxy-password=PASS set PASS as proxy password.\n"),
502 --referer=URL include `Referer: URL' header in HTTP request.\n"),
504 --save-headers save the HTTP headers to file.\n"),
506 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
508 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
510 --no-cookies don't use cookies.\n"),
512 --load-cookies=FILE load cookies from FILE before session.\n"),
514 --save-cookies=FILE save cookies to FILE after session.\n"),
516 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
518 --post-data=STRING use the POST method; send STRING as the data.\n"),
520 --post-file=FILE use the POST method; send contents of FILE.\n"),
525 HTTPS (SSL/TLS) options:\n"),
527 --secure-protocol=PR choose secure protocol, one of auto, SSLv2,\n\
528 SSLv3, and TLSv1.\n"),
530 --no-check-certificate don't validate the server's certificate.\n"),
532 --certificate=FILE client certificate file.\n"),
534 --certificate-type=TYPE client certificate type, PEM or DER.\n"),
536 --private-key=FILE private key file.\n"),
538 --private-key-type=TYPE private key type, PEM or DER.\n"),
540 --ca-certificate=FILE file with the bundle of CA's.\n"),
542 --ca-directory=DIR directory where hash list of CA's is stored.\n"),
544 --random-file=FILE file with random data for seeding the SSL PRNG.\n"),
546 --egd-file=FILE file naming the EGD socket with random data.\n"),
548 #endif /* HAVE_SSL */
553 --ftp-user=USER set ftp user to USER.\n"),
555 --ftp-password=PASS set ftp password to PASS.\n"),
557 --no-remove-listing don't remove `.listing' files.\n"),
559 --no-glob turn off FTP file name globbing.\n"),
561 --no-passive-ftp disable the \"passive\" transfer mode.\n"),
563 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
565 --preserve-permissions preserve remote file permissions.\n"),
569 Recursive download:\n"),
571 -r, --recursive specify recursive download.\n"),
573 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
575 --delete-after delete files locally after downloading them.\n"),
577 -k, --convert-links make links in downloaded HTML point to local files.\n"),
579 -K, --backup-converted before converting file X, back up as X.orig.\n"),
581 -m, --mirror shortcut for -N -r -l inf --no-remove-listing.\n"),
583 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
585 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
589 Recursive accept/reject:\n"),
591 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
593 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
595 -D, --domains=LIST comma-separated list of accepted domains.\n"),
597 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
599 --follow-ftp follow FTP links from HTML documents.\n"),
601 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
603 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
605 -H, --span-hosts go to foreign hosts when recursive.\n"),
607 -L, --relative follow relative links only.\n"),
609 -I, --include-directories=LIST list of allowed directories.\n"),
611 -X, --exclude-directories=LIST list of excluded directories.\n"),
613 -np, --no-parent don't ascend to the parent directory.\n"),
616 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
621 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
625 for (i = 0; i < countof (help); i++)
626 fputs (_(help[i]), stdout);
631 /* Return a human-readable printed representation of INTERVAL,
632 measured in seconds. */
635 secs_to_human_time (double interval)
638 int secs = (int) (interval + 0.5);
639 int hours, mins, days;
641 days = secs / 86400, secs %= 86400;
642 hours = secs / 3600, secs %= 3600;
643 mins = secs / 60, secs %= 60;
646 sprintf (buf, "%dd %dh %dm %ds", days, hours, mins, secs);
648 sprintf (buf, "%dh %dm %ds", hours, mins, secs);
650 sprintf (buf, "%dm %ds", mins, secs);
652 sprintf (buf, "%ss", print_decimal (interval));
660 printf ("GNU Wget %s\n\n", version_string);
662 Copyright (C) 2005 Free Software Foundation, Inc.\n"), stdout);
664 This program is distributed in the hope that it will be useful,\n\
665 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
666 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
667 GNU General Public License for more details.\n"), stdout);
668 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
674 main (int argc, char *const *argv)
677 int i, ret, longindex;
679 bool append_to_log = false;
683 /* Construct the name of the executable, without the directory part. */
684 exec_name = strrchr (argv[0], PATH_SEPARATOR);
691 /* Drop extension (typically .EXE) from executable filename. */
692 windows_main (&argc, (char **) argv, (char **) &exec_name);
695 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
700 while ((ret = getopt_long (argc, argv,
701 short_options, long_options, &longindex)) != -1)
704 struct cmdline_option *opt;
706 /* If LONGINDEX is unchanged, it means RET is referring a short
714 printf (_("Try `%s --help' for more options.\n"), exec_name);
717 /* Find the short option character in the mapping. */
718 longindex = optmap[ret - 32];
720 val = long_options[longindex].val;
722 /* Use the retrieved value to locate the option in the
723 option_data array, and to see if we're dealing with the
724 negated "--no-FOO" variant of the boolean option "--foo". */
725 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
729 setoptval (opt->data, optarg, opt->long_name);
733 /* The user has specified a value -- use it. */
734 setoptval (opt->data, optarg, opt->long_name);
737 /* NEG is true for `--no-FOO' style boolean options. */
738 bool neg = !!(val & BOOLEAN_NEG_MARKER);
739 setoptval (opt->data, neg ? "0" : "1", opt->long_name);
744 void (*func) (void) = (void (*) (void)) opt->data;
748 case OPT__APPEND_OUTPUT:
749 setoptval ("logfile", optarg, opt->long_name);
750 append_to_log = true;
753 run_command (optarg);
757 /* We support real --no-FOO flags now, but keep these
758 short options for convenience and backward
761 for (p = optarg; *p; p++)
765 setoptval ("verbose", "0", opt->long_name);
768 setoptval ("addhostdir", "0", opt->long_name);
771 setoptval ("dirstruct", "0", opt->long_name);
774 setoptval ("noclobber", "1", opt->long_name);
777 setoptval ("noparent", "1", opt->long_name);
780 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
783 printf (_("Try `%s --help' for more options.\n"), exec_name);
791 /* The wgetrc commands are named noparent and noclobber,
792 so we must revert the meaning of the cmdline options
793 before passing the value to setoptval. */
796 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
797 || (TOLOWER (optarg[0]) == 'o'
798 && TOLOWER (optarg[1]) == 'n'));
799 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
800 flag ? "0" : "1", opt->long_name);
803 case OPT__DONT_REMOVE_LISTING:
804 setoptval ("removelisting", "0", opt->long_name);
811 /* All user options have now been processed, so it's now safe to do
812 interoption dependency checks. */
814 if (opt.reclevel == 0)
815 opt.reclevel = INFINITE_RECURSION; /* see recur.h for commentary on this */
817 if (opt.page_requisites && !opt.recursive)
819 /* Don't set opt.recursive here because it would confuse the FTP
820 code. Instead, call retrieve_tree below when either
821 page_requisites or recursive is requested. */
823 if (!opt.no_dirstruct)
824 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
827 if (opt.verbose == -1)
828 opt.verbose = !opt.quiet;
831 if (opt.verbose && opt.quiet)
833 printf (_("Can't be verbose and quiet at the same time.\n"));
837 if (opt.timestamping && opt.noclobber)
840 Can't timestamp and not clobber old files at the same time.\n"));
845 if (opt.ipv4_only && opt.ipv6_only)
847 printf (_("Cannot specify both --inet4-only and --inet6-only.\n"));
853 nurl = argc - optind;
854 if (!nurl && !opt.input_filename)
856 /* No URL specified. */
857 printf (_("%s: missing URL\n"), exec_name);
860 /* #### Something nicer should be printed here -- similar to the
861 pre-1.5 `--help' page. */
862 printf (_("Try `%s --help' for more options.\n"), exec_name);
867 fork_to_background ();
869 /* Initialize progress. Have to do this after the options are
870 processed so we know where the log file is. */
872 set_progress_implementation (opt.progress_type);
874 /* Fill in the arguments. */
875 url = alloca_array (char *, nurl + 1);
876 for (i = 0; i < nurl; i++, optind++)
878 char *rewritten = rewrite_shorthand_url (argv[optind]);
882 url[i] = xstrdup (argv[optind]);
886 /* Initialize logging. */
887 log_init (opt.lfilename, append_to_log);
889 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
892 /* Open the output filename if necessary. */
893 if (opt.output_document)
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 = true;
917 /* Setup the signal handler to redirect output when hangup is
919 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
920 signal(SIGHUP, redirect_output_signal);
922 /* ...and do the same for SIGUSR1. */
924 signal (SIGUSR1, redirect_output_signal);
927 /* Writing to a closed socket normally signals SIGPIPE, and the
928 process exits. What we want is to ignore SIGPIPE and just check
929 for the return value of write(). */
930 signal (SIGPIPE, SIG_IGN);
933 signal (SIGWINCH, progress_handle_sigwinch);
936 status = RETROK; /* initialize it, just-in-case */
937 /* Retrieve the URLs from argument list. */
938 for (t = url; *t; t++)
940 char *filename = NULL, *redirected_URL = NULL;
943 if ((opt.recursive || opt.page_requisites)
944 && url_scheme (*t) != SCHEME_FTP)
945 status = retrieve_tree (*t);
947 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
949 if (opt.delete_after && file_exists_p(filename))
951 DEBUGP (("Removing file due to --delete-after in main():\n"));
952 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
953 if (unlink (filename))
954 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
957 xfree_null (redirected_URL);
958 xfree_null (filename);
961 /* And then from the input file, if any. */
962 if (opt.input_filename)
965 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
967 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
970 /* Print the downloaded sum. */
971 if (opt.recursive || opt.page_requisites
973 || (opt.input_filename && total_downloaded_bytes != 0))
975 logprintf (LOG_NOTQUIET,
976 _("FINISHED --%s--\nDownloaded: %d files, %s in %s (%s)\n"),
979 human_readable (total_downloaded_bytes),
980 secs_to_human_time (total_download_time),
981 retr_rate (total_downloaded_bytes, total_download_time));
982 /* Print quota warning, if exceeded. */
983 if (opt.quota && total_downloaded_bytes > opt.quota)
984 logprintf (LOG_NOTQUIET,
985 _("Download quota of %s EXCEEDED!\n"),
986 human_readable (opt.quota));
989 if (opt.cookies_output)
992 if (opt.convert_links && !opt.delete_after)
993 convert_all_links ();
996 for (i = 0; i < nurl; i++)
1001 print_malloc_debug_stats ();
1003 if (status == RETROK)
1009 #if defined(SIGHUP) || defined(SIGUSR1)
1011 /* So the signal_name check doesn't blow when only one is available. */
1019 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
1020 will proceed operation as usual, trying to write into a log file.
1021 If that is impossible, the output will be turned off. */
1024 redirect_output_signal (int sig)
1026 const char *signal_name = (sig == SIGHUP ? "SIGHUP" :
1027 (sig == SIGUSR1 ? "SIGUSR1" :
1029 log_request_redirect_output (signal_name);
1030 progress_schedule_redirect ();
1031 signal (sig, redirect_output_signal);