#include "netrc.h"
#include "cookies.h" /* for cookie_jar_delete */
#include "progress.h"
+#include "recur.h" /* for INFINITE_RECURSION */
#ifndef errno
extern int errno;
CMD_DECLARE (cmd_boolean);
CMD_DECLARE (cmd_bytes);
+CMD_DECLARE (cmd_bytes_large);
CMD_DECLARE (cmd_directory_vector);
CMD_DECLARE (cmd_lockable_boolean);
CMD_DECLARE (cmd_number);
CMD_DECLARE (cmd_spec_timeout);
CMD_DECLARE (cmd_spec_useragent);
-/* List of recognized commands, each consisting of name, closure and function.
- When adding a new command, simply add it to the list, but be sure to keep the
- list sorted alphabetically, as findcmd() depends on it. Also, be sure to add
- any entries that allocate memory (e.g. cmd_string and cmd_vector guys) to the
+/* List of recognized commands, each consisting of name, closure and
+ function. When adding a new command, simply add it to the list,
+ but be sure to keep the list sorted alphabetically, as
+ command_by_name depends on it. Also, be sure to add any entries
+ that allocate memory (e.g. cmd_string and cmd_vector guys) to the
cleanup() function below. */
+
static struct {
char *name;
void *closure;
{ "ignoretags", &opt.ignore_tags, cmd_vector },
{ "includedirectories", &opt.includes, cmd_directory_vector },
{ "input", &opt.input_filename, cmd_file },
+#ifdef ENABLE_IPV6
+ { "inet4only", &opt.ipv4_only, cmd_boolean },
+ { "inet6only", &opt.ipv6_only, cmd_boolean },
+#endif
+ { "keepsessioncookies", &opt.keep_session_cookies, cmd_boolean },
{ "killlonger", &opt.kill_longer, cmd_boolean },
{ "limitrate", &opt.limit_rate, cmd_bytes },
{ "loadcookies", &opt.cookies_input, cmd_file },
{ "passwd", &opt.ftp_pass, cmd_string },
{ "postdata", &opt.post_data, cmd_string },
{ "postfile", &opt.post_file_name, cmd_file },
+ { "preservepermissions", &opt.preserve_perm, cmd_boolean },
{ "progress", &opt.progress_type, cmd_spec_progress },
{ "proxypasswd", &opt.proxy_passwd, cmd_string },
{ "proxyuser", &opt.proxy_user, cmd_string },
{ "quiet", &opt.quiet, cmd_boolean },
- { "quota", &opt.quota, cmd_bytes },
+ { "quota", &opt.quota, cmd_bytes_large },
{ "randomwait", &opt.random_wait, cmd_boolean },
{ "readtimeout", &opt.read_timeout, cmd_time },
{ "reclevel", &opt.reclevel, cmd_number_inf },
{ "waitretry", &opt.waitretry, cmd_time }
};
-/* Look up COM in the commands[] array and return its index. If COM
- is not found, -1 is returned. This function uses binary search. */
+/* Look up CMDNAME in the commands[] and return its position in the
+ array. If CMDNAME is not found, return -1. */
static int
-findcmd (const char *com)
+command_by_name (const char *cmdname)
{
+ /* Use binary search for speed. Wget has ~100 commands, which
+ guarantees a worst case performance of 7 string comparisons. */
int lo = 0, hi = countof (commands) - 1;
while (lo <= hi)
{
int mid = (lo + hi) >> 1;
- int cmp = strcasecmp (com, commands[mid].name);
+ int cmp = strcasecmp (cmdname, commands[mid].name);
if (cmp < 0)
hi = mid - 1;
else if (cmp > 0)
NULL this way is technically illegal, but porting Wget to a
machine where NULL is not all-zero bit pattern will be the least
of the implementors' worries. */
- memset (&opt, 0, sizeof (opt));
+ xzero (opt);
opt.cookies = 1;
-
opt.verbose = -1;
opt.ntry = 20;
opt.reclevel = 5;
file = (char *)xmalloc (strlen (home) + 1 + strlen (".wgetrc") + 1);
sprintf (file, "%s/.wgetrc", home);
}
- FREE_MAYBE (home);
+ xfree_null (home);
#else /* WINDOWS */
/* Under Windows, "home" is (for the purposes of this function) the
directory where `wget.exe' resides, and `wget.ini' will be used
the command is valid. */
BOUNDED_TO_ALLOCA (cmdstart, cmdend, cmdcopy);
dehyphen (cmdcopy);
- ind = findcmd (cmdcopy);
+ ind = command_by_name (cmdcopy);
if (ind == -1)
return 0;
setval_internal (int comind, const char *com, const char *val)
{
assert (0 <= comind && comind < countof (commands));
+ DEBUGP (("Setting %s (%d) to %s\n", com, comind, val));
return ((*commands[comind].action) (com, val, commands[comind].closure));
}
/* Run command COM with value VAL. If running the command produces an
error, report the error and exit.
- This is intended to be called from main() with commands not
- provided by the user, therefore it aborts when an unknown command
- is encountered. Once the COMIND's are exported to init.h, this
- function will be changed to accept COMIND directly. */
+ This is intended to be called from main() to modify Wget's behavior
+ through command-line switches. Since COM is hard-coded in main(),
+ it is not canonicalized, and this aborts when COM is not found.
+
+ If COMIND's are exported to init.h, this function will be changed
+ to accept COMIND directly. */
void
setoptval (const char *com, const char *val)
{
- if (!setval_internal (findcmd (com), com, val))
+ assert (val != NULL);
+ if (!setval_internal (command_by_name (com), com, val))
exit (2);
}
{
char **pstring = (char **)closure;
- FREE_MAYBE (*pstring);
+ xfree_null (*pstring);
*pstring = xstrdup (val);
return 1;
}
{
char **pstring = (char **)closure;
- FREE_MAYBE (*pstring);
+ xfree_null (*pstring);
/* #### If VAL is empty, perhaps should set *CLOSURE to NULL. */
static int simple_atof PARAMS ((const char *, const char *, double *));
-/* Parse VAL as a number and set its value to CLOSURE (which should
- point to a long int).
-
- By default, the value is assumed to be in bytes. If "K", "M", or
- "G" are appended, the value is multiplied with 1<<10, 1<<20, or
- 1<<30, respectively. Floating point values are allowed and are
- cast to integer before use. The idea is to be able to use things
- like 1.5k instead of "1536".
-
- The string "inf" is returned as 0.
-
- In case of error, 0 is returned and memory pointed to by CLOSURE
- remains unmodified. */
+/* Enginge for cmd_bytes and cmd_bytes_large: converts a string such
+ as "100k" or "2.5G" to a floating point number. */
static int
-cmd_bytes (const char *com, const char *val, void *closure)
+parse_bytes_helper (const char *val, double *result)
{
- long mult;
- double number;
+ double number, mult;
const char *end = val + strlen (val);
/* Check for "inf". */
if (0 == strcmp (val, "inf"))
{
- *(long *)closure = 0;
+ *result = 0;
return 1;
}
/* Strip trailing whitespace. */
while (val < end && ISSPACE (end[-1]))
--end;
-
if (val == end)
- {
- err:
- fprintf (stderr, _("%s: %s: Invalid byte value `%s'\n"),
- exec_name, com, val);
- return 0;
- }
+ return 0;
switch (TOLOWER (end[-1]))
{
case 'k':
- --end, mult = 1L<<10;
+ --end, mult = 1024.0;
break;
case 'm':
- --end, mult = 1L<<20;
+ --end, mult = 1048576.0;
break;
case 'g':
- --end, mult = 1L<<30;
+ --end, mult = 1073741824.0;
+ break;
+ case 't':
+ --end, mult = 1099511627776.0;
break;
default:
- /* Not a recognized suffix: assume it belongs to the number.
- (If not, atof simple_atof will raise an error.) */
+ /* Not a recognized suffix: assume it's a digit. (If not,
+ simple_atof will raise an error.) */
mult = 1;
}
while (val < end && ISSPACE (end[-1]))
--end;
if (val == end)
- goto err;
+ return 0;
if (!simple_atof (val, end, &number))
- goto err;
+ return 0;
+
+ *result = number * mult;
+ return 1;
+}
+
+/* Parse VAL as a number and set its value to CLOSURE (which should
+ point to a long int).
+
+ By default, the value is assumed to be in bytes. If "K", "M", or
+ "G" are appended, the value is multiplied with 1<<10, 1<<20, or
+ 1<<30, respectively. Floating point values are allowed and are
+ cast to integer before use. The idea is to be able to use things
+ like 1.5k instead of "1536".
- *(long *)closure = (long)(number * mult);
+ The string "inf" is returned as 0.
+
+ In case of error, 0 is returned and memory pointed to by CLOSURE
+ remains unmodified. */
+
+static int
+cmd_bytes (const char *com, const char *val, void *closure)
+{
+ double byte_value;
+ if (!parse_bytes_helper (val, &byte_value))
+ {
+ fprintf (stderr, _("%s: %s: Invalid byte value `%s'\n"),
+ exec_name, com, val);
+ return 0;
+ }
+ *(long *)closure = (long)byte_value;
+ return 1;
+}
+
+/* Like cmd_bytes, but CLOSURE is interpreted as a pointer to
+ LARGE_INT. It works by converting the string to double, therefore
+ working with values up to 2^53-1 without loss of precision. This
+ value (8192 TB) is large enough to serve for a while. */
+
+static int
+cmd_bytes_large (const char *com, const char *val, void *closure)
+{
+ double byte_value;
+ if (!parse_bytes_helper (val, &byte_value))
+ {
+ fprintf (stderr, _("%s: %s: Invalid byte value `%s'\n"),
+ exec_name, com, val);
+ return 0;
+ }
+ *(LARGE_INT *)closure = (LARGE_INT)byte_value;
return 1;
}
if (!*val)
{
/* Empty header means reset headers. */
- FREE_MAYBE (opt.user_header);
+ xfree_null (opt.user_header);
opt.user_header = NULL;
}
else
exec_name, com, val);
return 0;
}
- FREE_MAYBE (opt.progress_type);
+ xfree_null (opt.progress_type);
/* Don't call set_progress_implementation here. It will be called
in main() when it becomes clear what the log output is. */
cleanup_html_url ();
downloaded_files_free ();
host_cleanup ();
- cookie_jar_delete (wget_cookie_jar);
+ if (wget_cookie_jar)
+ cookie_jar_delete (wget_cookie_jar);
{
extern acc_t *netrc_list;
free_netrc (netrc_list);
}
- FREE_MAYBE (opt.lfilename);
- FREE_MAYBE (opt.dir_prefix);
- FREE_MAYBE (opt.input_filename);
- FREE_MAYBE (opt.output_document);
+ xfree_null (opt.lfilename);
+ xfree_null (opt.dir_prefix);
+ xfree_null (opt.input_filename);
+ xfree_null (opt.output_document);
free_vec (opt.accepts);
free_vec (opt.rejects);
free_vec (opt.excludes);
free_vec (opt.domains);
free_vec (opt.follow_tags);
free_vec (opt.ignore_tags);
- FREE_MAYBE (opt.progress_type);
+ xfree_null (opt.progress_type);
xfree (opt.ftp_acc);
- FREE_MAYBE (opt.ftp_pass);
- FREE_MAYBE (opt.ftp_proxy);
- FREE_MAYBE (opt.https_proxy);
- FREE_MAYBE (opt.http_proxy);
+ xfree_null (opt.ftp_pass);
+ xfree_null (opt.ftp_proxy);
+ xfree_null (opt.https_proxy);
+ xfree_null (opt.http_proxy);
free_vec (opt.no_proxy);
- FREE_MAYBE (opt.useragent);
- FREE_MAYBE (opt.referer);
- FREE_MAYBE (opt.http_user);
- FREE_MAYBE (opt.http_passwd);
- FREE_MAYBE (opt.user_header);
+ xfree_null (opt.useragent);
+ xfree_null (opt.referer);
+ xfree_null (opt.http_user);
+ xfree_null (opt.http_passwd);
+ xfree_null (opt.user_header);
#ifdef HAVE_SSL
- FREE_MAYBE (opt.sslcertkey);
- FREE_MAYBE (opt.sslcertfile);
+ xfree_null (opt.sslcertkey);
+ xfree_null (opt.sslcertfile);
#endif /* HAVE_SSL */
- FREE_MAYBE (opt.bind_address);
- FREE_MAYBE (opt.cookies_input);
- FREE_MAYBE (opt.cookies_output);
+ xfree_null (opt.bind_address);
+ xfree_null (opt.cookies_input);
+ xfree_null (opt.cookies_output);
#endif
}