1 /* Command line parsing.
2 Copyright (C) 2003 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 */
66 #include "progress.h" /* for progress_handle_sigwinch */
69 /* On GNU system this will include system-wide getopt.h. */
72 #ifndef PATH_SEPARATOR
73 # define PATH_SEPARATOR '/'
78 extern LARGE_INT total_downloaded_bytes;
79 extern char *version_string;
81 extern struct cookie_jar *wget_cookie_jar;
83 static RETSIGTYPE redirect_output_signal PARAMS ((int));
85 const char *exec_name;
87 /* Initialize I18N. The initialization amounts to invoking
88 setlocale(), bindtextdomain() and textdomain().
89 Does nothing if NLS is disabled or missing. */
91 i18n_initialize (void)
93 /* If HAVE_NLS is defined, assume the existence of the three
94 functions invoked here. */
96 /* Set the current locale. */
97 /* Here we use LC_MESSAGES instead of LC_ALL, for two reasons.
98 First, message catalogs are all of I18N Wget uses anyway.
99 Second, setting LC_ALL has a dangerous potential of messing
100 things up. For example, when in a foreign locale, Solaris
101 strptime() fails to handle international dates correctly, which
102 makes http_atotm() malfunction. */
104 setlocale (LC_MESSAGES, "");
105 setlocale (LC_CTYPE, "");
107 setlocale (LC_ALL, "");
109 /* Set the text message domain. */
110 bindtextdomain ("wget", LOCALEDIR);
112 #endif /* HAVE_NLS */
115 /* Definition of command-line options. */
117 static void print_help PARAMS ((void));
118 static void print_version PARAMS ((void));
123 # define IF_SSL(x) NULL
127 # define IF_DEBUG(x) x
129 # define IF_DEBUG(x) NULL
132 struct cmdline_option {
133 const char *long_name;
139 /* Non-standard options that have to be handled specially in
143 OPT__DONT_REMOVE_LISTING,
148 void *data; /* for standard options */
149 int argtype; /* for non-standard options */
152 struct cmdline_option option_data[] =
154 { "accept", 'A', OPT_VALUE, "accept", -1 },
155 { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
156 { "background", 'b', OPT_BOOLEAN, "background", -1 },
157 { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
158 { "backups", 0, OPT_BOOLEAN, "backups", -1 },
159 { "base", 'B', OPT_VALUE, "base", -1 },
160 { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
161 { "cache", 0, OPT_BOOLEAN, "cache", -1 },
162 { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
163 { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
164 { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
165 { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
166 { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
167 { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
168 { IF_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
169 { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
170 { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
171 { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
172 { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
173 { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
174 { "domains", 'D', OPT_VALUE, "domains", -1 },
175 { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
176 { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
177 { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
178 { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
179 { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
180 { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
181 { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
182 { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
183 { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
184 { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -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 },
197 { "input-file", 'i', OPT_VALUE, "input", -1 },
198 { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
199 { "level", 'l', OPT_VALUE, "reclevel", -1 },
200 { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
201 { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
202 { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
203 { "no", 'n', OPT__NO, NULL, required_argument },
204 { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
205 { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
206 { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
207 { "output-file", 'o', OPT_VALUE, "logfile", -1 },
208 { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
209 { "parent", 0, OPT__PARENT, NULL, optional_argument },
210 { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
211 { "post-data", 0, OPT_VALUE, "postdata", -1 },
212 { "post-file", 0, OPT_VALUE, "postfile", -1 },
213 { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
214 { "progress", 0, OPT_VALUE, "progress", -1 },
215 { "proxy", 'Y', OPT_BOOLEAN, "useproxy", -1 },
216 { "proxy-passwd", 0, OPT_VALUE, "proxypasswd", -1 },
217 { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
218 { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
219 { "quota", 'Q', OPT_VALUE, "quota", -1 },
220 { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
221 { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
222 { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
223 { "referer", 0, OPT_VALUE, "referer", -1 },
224 { "reject", 'R', OPT_VALUE, "reject", -1 },
225 { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
226 { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
227 { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
228 { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
229 { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
230 { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
231 { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
232 { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
233 { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
234 { "spider", 0, OPT_BOOLEAN, "spider", -1 },
235 { IF_SSL ("sslcadir"), 0, OPT_VALUE, "sslcadir", -1 },
236 { IF_SSL ("sslcafile"), 0, OPT_VALUE, "sslcafile", -1 },
237 { IF_SSL ("sslcertfile"), 0, OPT_VALUE, "sslcertfile", -1 },
238 { IF_SSL ("sslcertkey"), 0, OPT_VALUE, "sslcertkey", -1 },
239 { IF_SSL ("sslcerttype"), 0, OPT_VALUE, "sslcerttype", -1 },
240 { IF_SSL ("sslcheckcert"), 0, OPT_VALUE, "sslcheckcert", -1 },
241 { IF_SSL ("sslprotocol"), 0, OPT_VALUE, "sslprotocol", -1 },
242 { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
243 { "timeout", 'T', OPT_VALUE, "timeout", -1 },
244 { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
245 { "tries", 't', OPT_VALUE, "tries", -1 },
246 { "use-proxy", 'Y', OPT_BOOLEAN, "useproxy", -1 },
247 { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
248 { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
249 { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
250 { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
251 { "wait", 'w', OPT_VALUE, "wait", -1 },
252 { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
258 /* Return a string that contains S with "no-" prepended. The string
259 is NUL-terminated and allocated off static storage at Wget
263 no_prefix (const char *s)
265 static char buffer[1024];
266 static char *p = buffer;
269 int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
270 if (p + size >= buffer + sizeof (buffer))
273 cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
279 /* The arguments that that main passes to getopt_long. */
280 static struct option long_options[2 * countof (option_data) + 1];
281 static char short_options[128];
283 /* Mapping between short option chars and option_data indices. */
284 static unsigned char optmap[96];
286 /* Marker for `--no-FOO' values in long_options. */
287 #define BOOLEAN_NEG_MARKER 1024
289 /* Initialize the long_options array used by getopt_long from the data
295 char *p = short_options;
297 for (i = 0; i < countof (option_data); i++)
299 struct cmdline_option *opt = &option_data[i];
300 struct option *longopt;
303 /* The option is disabled. */
306 longopt = &long_options[o++];
307 longopt->name = opt->long_name;
311 *p++ = opt->short_name;
312 optmap[opt->short_name - 32] = longopt - long_options;
317 longopt->has_arg = required_argument;
322 /* Don't specify optional arguments for boolean short
323 options. They are evil because they prevent combining of
325 longopt->has_arg = optional_argument;
326 /* For Boolean options, add the "--no-FOO" variant, which is
327 identical to "--foo", except it has opposite meaning and
328 it doesn't allow an argument. */
329 longopt = &long_options[o++];
330 longopt->name = no_prefix (opt->long_name);
331 longopt->has_arg = no_argument;
332 /* Mask the value so we'll be able to recognize that we're
333 dealing with the false value. */
334 longopt->val = i | BOOLEAN_NEG_MARKER;
337 assert (opt->argtype != -1);
338 longopt->has_arg = opt->argtype;
341 if (longopt->has_arg == required_argument)
343 /* Don't handle optional_argument */
347 /* Terminate short_options. */
349 /* No need for xzero(long_options[o]) because its storage is static
350 and it will be zeroed by default. */
351 assert (o <= countof (long_options));
354 /* Print the usage message. */
358 printf (_("Usage: %s [OPTION]... [URL]...\n"), exec_name);
361 /* Print the help message, describing all the available options. If
362 you add an option, be sure to update this list. */
366 /* We split the help text this way to ease translation of individual
368 static const char *help[] = {
371 Mandatory arguments to long options are mandatory for short options too.\n\n"),
375 -V, --version display the version of Wget and exit.\n"),
377 -h, --help print this help.\n"),
379 -b, --background go to background after startup.\n"),
381 -e, --execute=COMMAND execute a `.wgetrc'-style command.\n"),
385 Logging and input file:\n"),
387 -o, --output-file=FILE log messages to FILE.\n"),
389 -a, --append-output=FILE append messages to FILE.\n"),
392 -d, --debug print lots of debugging information.\n"),
395 -q, --quiet quiet (no output).\n"),
397 -v, --verbose be verbose (this is the default).\n"),
399 -nv, --non-verbose turn off verboseness, without being quiet.\n"),
401 -i, --input-file=FILE download URLs found in FILE.\n"),
403 -F, --force-html treat input file as HTML.\n"),
405 -B, --base=URL prepends URL to relative links in -F -i file.\n"),
411 -t, --tries=NUMBER set number of retries to NUMBER (0 unlimits).\n"),
413 --retry-connrefused retry even if connection is refused.\n"),
415 -O --output-document=FILE write documents to FILE.\n"),
417 -nc, --no-clobber skip downloads that would download to\n\
420 -c, --continue resume getting a partially-downloaded file.\n"),
422 --progress=TYPE select progress gauge type.\n"),
424 -N, --timestamping don't re-retrieve files unless newer than\n\
427 -S, --server-response print server response.\n"),
429 --spider don't download anything.\n"),
431 -T, --timeout=SECONDS set all timeout values to SECONDS.\n"),
433 --dns-timeout=SECS set the DNS lookup timeout to SECS.\n"),
435 --connect-timeout=SECS set the connect timeout to SECS.\n"),
437 --read-timeout=SECS set the read timeout to SECS.\n"),
439 -w, --wait=SECONDS wait SECONDS between retrievals.\n"),
441 --waitretry=SECONDS wait 1..SECONDS between retries of a retrieval.\n"),
443 --random-wait wait from 0...2*WAIT secs between retrievals.\n"),
445 -Y, --proxy=on/off turn proxy on or off.\n"),
447 -Q, --quota=NUMBER set retrieval quota to NUMBER.\n"),
449 --bind-address=ADDRESS bind to ADDRESS (hostname or IP) on local host.\n"),
451 --limit-rate=RATE limit download rate to RATE.\n"),
453 --dns-cache=off disable caching DNS lookups.\n"),
455 --restrict-file-names=OS restrict chars in file names to ones OS allows.\n"),
461 -nd, --no-directories don't create directories.\n"),
463 -x, --force-directories force creation of directories.\n"),
465 -nH, --no-host-directories don't create host directories.\n"),
467 -P, --directory-prefix=PREFIX save files to PREFIX/...\n"),
469 --cut-dirs=NUMBER ignore NUMBER remote directory components.\n"),
475 --http-user=USER set http user to USER.\n"),
477 --http-passwd=PASS set http password to PASS.\n"),
479 --no-cache disallow server-cached data.\n"),
481 -E, --html-extension save HTML documents with `.html' extension.\n"),
483 --ignore-length ignore `Content-Length' header field.\n"),
485 --header=STRING insert STRING among the headers.\n"),
487 --proxy-user=USER set USER as proxy username.\n"),
489 --proxy-passwd=PASS set PASS as proxy password.\n"),
491 --referer=URL include `Referer: URL' header in HTTP request.\n"),
493 --save-headers save the HTTP headers to file.\n"),
495 -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION.\n"),
497 --no-http-keep-alive disable HTTP keep-alive (persistent connections).\n"),
499 --cookies=off don't use cookies.\n"),
501 --load-cookies=FILE load cookies from FILE before session.\n"),
503 --save-cookies=FILE save cookies to FILE after session.\n"),
505 --keep-session-cookies load and save session (non-permanent) cookies.\n"),
507 --post-data=STRING use the POST method; send STRING as the data.\n"),
509 --post-file=FILE use the POST method; send contents of FILE.\n"),
514 HTTPS (SSL) options:\n"),
516 --sslcertfile=FILE optional client certificate.\n"),
518 --sslcertkey=KEYFILE optional keyfile for this certificate.\n"),
520 --egd-file=FILE file name of the EGD socket.\n"),
522 --sslcadir=DIR dir where hash list of CA's are stored.\n"),
524 --sslcafile=FILE file with bundle of CA's\n"),
526 --sslcerttype=0/1 Client-Cert type 0=PEM (default) / 1=ASN1 (DER)\n"),
528 --sslcheckcert=0/1 Check the server cert against given CA\n"),
530 --sslprotocol=0-3 choose SSL protocol; 0=automatic,\n"),
532 1=SSLv2 2=SSLv3 3=TLSv1\n"),
534 #endif /* HAVE_SSL */
539 -nr, --no-remove-listing don't remove `.listing' files.\n"),
541 --glob=on/off turn file name globbing on or off.\n"),
543 --passive-ftp use the \"passive\" transfer mode.\n"),
545 --retr-symlinks when recursing, get linked-to files (not dir).\n"),
547 --preserve-permissions preserve remote file permissions.\n"),
551 Recursive retrieval:\n"),
553 -r, --recursive recursive download.\n"),
555 -l, --level=NUMBER maximum recursion depth (inf or 0 for infinite).\n"),
557 --delete-after delete files locally after downloading them.\n"),
559 -k, --convert-links convert non-relative links to relative.\n"),
561 -K, --backup-converted before converting file X, back up as X.orig.\n"),
563 -m, --mirror shortcut option equivalent to -r -N -l inf -nr.\n"),
565 -p, --page-requisites get all images, etc. needed to display HTML page.\n"),
567 --strict-comments turn on strict (SGML) handling of HTML comments.\n"),
571 Recursive accept/reject:\n"),
573 -A, --accept=LIST comma-separated list of accepted extensions.\n"),
575 -R, --reject=LIST comma-separated list of rejected extensions.\n"),
577 -D, --domains=LIST comma-separated list of accepted domains.\n"),
579 --exclude-domains=LIST comma-separated list of rejected domains.\n"),
581 --follow-ftp follow FTP links from HTML documents.\n"),
583 --follow-tags=LIST comma-separated list of followed HTML tags.\n"),
585 --ignore-tags=LIST comma-separated list of ignored HTML tags.\n"),
587 -H, --span-hosts go to foreign hosts when recursive.\n"),
589 -L, --relative follow relative links only.\n"),
591 -I, --include-directories=LIST list of allowed directories.\n"),
593 -X, --exclude-directories=LIST list of excluded directories.\n"),
595 -np, --no-parent don't ascend to the parent directory.\n"),
598 N_("Mail bug reports and suggestions to <bug-wget@gnu.org>.\n")
603 printf (_("GNU Wget %s, a non-interactive network retriever.\n"),
607 for (i = 0; i < countof (help); i++)
608 fputs (_(help[i]), stdout);
619 printf ("GNU Wget %s\n\n", version_string);
621 Copyright (C) 2003 Free Software Foundation, Inc.\n"), stdout);
623 This program is distributed in the hope that it will be useful,\n\
624 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
625 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
626 GNU General Public License for more details.\n"), stdout);
627 fputs (_("\nOriginally written by Hrvoje Niksic <hniksic@xemacs.org>.\n"),
633 main (int argc, char *const *argv)
636 int i, ret, longindex;
638 int append_to_log = 0;
642 /* Construct the name of the executable, without the directory part. */
643 exec_name = strrchr (argv[0], PATH_SEPARATOR);
650 windows_main_junk (&argc, (char **) argv, (char **) &exec_name);
653 /* Set option defaults; read the system wgetrc and ~/.wgetrc. */
658 while ((ret = getopt_long (argc, argv,
659 short_options, long_options, &longindex)) != -1)
662 struct cmdline_option *opt;
667 printf (_("Try `%s --help' for more options.\n"), exec_name);
671 /* If LONGINDEX is unchanged, it means RET is referring a short
672 option. Look it up in the mapping table. */
674 longindex = optmap[ret - 32];
675 val = long_options[longindex].val;
677 /* Use the retrieved value to locate the option in the
678 option_data array, and to see if we're dealing with the
679 negated "--no-FOO" variant of the boolean option "--foo". */
680 opt = &option_data[val & ~BOOLEAN_NEG_MARKER];
684 setoptval (opt->data, optarg);
688 /* The user has specified a value -- use it. */
689 setoptval (opt->data, optarg);
692 /* NEG is true for `--no-FOO' style boolean options. */
693 int neg = val & BOOLEAN_NEG_MARKER;
694 setoptval (opt->data, neg ? "0" : "1");
699 void (*func) PARAMS ((void)) = opt->data;
703 case OPT__APPEND_OUTPUT:
704 setoptval ("logfile", optarg);
708 run_command (optarg);
712 /* We support real --no-FOO flags now, but keep these
713 short options for convenience and backward
716 for (p = optarg; *p; p++)
720 setoptval ("verbose", "0");
723 setoptval ("addhostdir", "0");
726 setoptval ("dirstruct", "0");
729 setoptval ("noclobber", "1");
732 setoptval ("noparent", "1");
735 printf (_("%s: illegal option -- `-n%c'\n"), exec_name, *p);
738 printf (_("Try `%s --help' for more options.\n"), exec_name);
746 /* The wgetrc commands are named noparent and noclobber,
747 so we must revert the meaning of the cmdline options
748 before passing the value to setoptval. */
751 flag = (*optarg == '1' || TOLOWER (*optarg) == 'y'
752 || (TOLOWER (optarg[0]) == 'o'
753 && TOLOWER (optarg[1]) == 'n'));
754 setoptval (opt->type == OPT__PARENT ? "noparent" : "noclobber",
758 case OPT__DONT_REMOVE_LISTING:
759 setoptval ("removelisting", "0");
766 /* All user options have now been processed, so it's now safe to do
767 interoption dependency checks. */
769 if (opt.reclevel == 0)
770 opt.reclevel = INFINITE_RECURSION; /* see wget.h for commentary on this */
772 if (opt.page_requisites && !opt.recursive)
774 /* Don't set opt.recursive here because it would confuse the FTP
775 code. Instead, call retrieve_tree below when either
776 page_requisites or recursive is requested. */
778 if (!opt.no_dirstruct)
779 opt.dirstruct = 1; /* normally handled by cmd_spec_recursive() */
782 if (opt.verbose == -1)
783 opt.verbose = !opt.quiet;
786 if (opt.verbose && opt.quiet)
788 printf (_("Can't be verbose and quiet at the same time.\n"));
792 if (opt.timestamping && opt.noclobber)
795 Can't timestamp and not clobber old files at the same time.\n"));
799 nurl = argc - optind;
800 if (!nurl && !opt.input_filename)
802 /* No URL specified. */
803 printf (_("%s: missing URL\n"), exec_name);
806 /* #### Something nicer should be printed here -- similar to the
807 pre-1.5 `--help' page. */
808 printf (_("Try `%s --help' for more options.\n"), exec_name);
813 fork_to_background ();
815 /* Initialize progress. Have to do this after the options are
816 processed so we know where the log file is. */
818 set_progress_implementation (opt.progress_type);
820 /* Fill in the arguments. */
821 url = alloca_array (char *, nurl + 1);
822 for (i = 0; i < nurl; i++, optind++)
824 char *rewritten = rewrite_shorthand_url (argv[optind]);
828 url[i] = xstrdup (argv[optind]);
832 /* Change the title of console window on Windows. #### I think this
833 statement should belong to retrieve_url(). --hniksic. */
835 ws_changetitle (*url, nurl);
838 /* Initialize logging. */
839 log_init (opt.lfilename, append_to_log);
841 DEBUGP (("DEBUG output created by Wget %s on %s.\n\n", version_string,
844 /* Open the output filename if necessary. */
845 if (opt.output_document)
847 if (HYPHENP (opt.output_document))
852 opt.dfp = fopen (opt.output_document, opt.always_rest ? "ab" : "wb");
855 perror (opt.output_document);
858 if (fstat (fileno (opt.dfp), &st) == 0 && S_ISREG (st.st_mode))
859 opt.od_known_regular = 1;
867 /* Setup the signal handler to redirect output when hangup is
870 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
871 signal(SIGHUP, redirect_output_signal);
872 /* ...and do the same for SIGUSR1. */
873 signal (SIGUSR1, redirect_output_signal);
874 /* Writing to a closed socket normally signals SIGPIPE, and the
875 process exits. What we want is to ignore SIGPIPE and just check
876 for the return value of write(). */
877 signal (SIGPIPE, SIG_IGN);
879 signal (SIGWINCH, progress_handle_sigwinch);
881 #endif /* HAVE_SIGNAL */
883 status = RETROK; /* initialize it, just-in-case */
884 /* Retrieve the URLs from argument list. */
885 for (t = url; *t; t++)
887 char *filename = NULL, *redirected_URL = NULL;
890 if ((opt.recursive || opt.page_requisites)
891 && url_scheme (*t) != SCHEME_FTP)
892 status = retrieve_tree (*t);
894 status = retrieve_url (*t, &filename, &redirected_URL, NULL, &dt);
896 if (opt.delete_after && file_exists_p(filename))
898 DEBUGP (("Removing file due to --delete-after in main():\n"));
899 logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
900 if (unlink (filename))
901 logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
904 xfree_null (redirected_URL);
905 xfree_null (filename);
908 /* And then from the input file, if any. */
909 if (opt.input_filename)
912 status = retrieve_from_file (opt.input_filename, opt.force_html, &count);
914 logprintf (LOG_NOTQUIET, _("No URLs found in %s.\n"),
917 /* Print the downloaded sum. */
918 if (opt.recursive || opt.page_requisites
920 || (opt.input_filename && total_downloaded_bytes != 0))
922 logprintf (LOG_NOTQUIET,
923 _("\nFINISHED --%s--\nDownloaded: %s bytes in %d files\n"),
924 time_str (NULL), legible_large_int (total_downloaded_bytes),
926 /* Print quota warning, if exceeded. */
927 if (opt.quota && total_downloaded_bytes > opt.quota)
928 logprintf (LOG_NOTQUIET,
929 _("Download quota (%s bytes) EXCEEDED!\n"),
930 legible (opt.quota));
933 if (opt.cookies_output && wget_cookie_jar)
934 cookie_jar_save (wget_cookie_jar, opt.cookies_output);
936 if (opt.convert_links && !opt.delete_after)
937 convert_all_links ();
940 for (i = 0; i < nurl; i++)
945 print_malloc_debug_stats ();
947 if (status == RETROK)
954 /* Hangup signal handler. When wget receives SIGHUP or SIGUSR1, it
955 will proceed operation as usual, trying to write into a log file.
956 If that is impossible, the output will be turned off.
958 #### It is unsafe to do call libc functions from a signal handler.
959 What we should do is, set a global variable, and have the code in
963 redirect_output_signal (int sig)
965 char *signal_name = (sig == SIGHUP ? "SIGHUP" :
966 (sig == SIGUSR1 ? "SIGUSR1" :
968 log_request_redirect_output (signal_name);
969 progress_schedule_redirect ();
970 signal (sig, redirect_output_signal);
972 #endif /* HAVE_SIGNAL */