-static int
-register_redirections_mapper (void *key, void *value, void *arg)
-{
- const char *redirected_from = (const char *)key;
- const char *redirected_to = (const char *)arg;
- if (0 != strcmp (redirected_from, redirected_to))
- register_redirection (redirected_from, redirected_to);
- return 0;
-}
-
-/* Register the redirections that lead to the successful download of
- this URL. This is necessary so that the link converter can convert
- redirected URLs to the local file. */
-
-static void
-register_all_redirections (struct hash_table *redirections, const char *final)
-{
- hash_table_map (redirections, register_redirections_mapper, (void *)final);
-}
-
-#define USE_PROXY_P(u) (opt.use_proxy && getproxy((u)->scheme) \
- && no_proxy_match((u)->host, \
- (const char **)opt.no_proxy))
+/* Maximum number of allowed redirections. 20 was chosen as a
+ "reasonable" value, which is low enough to not cause havoc, yet
+ high enough to guarantee that normal retrievals will not be hurt by
+ the check. */
+
+#define MAX_REDIRECTIONS 20
+
+#define SUSPEND_POST_DATA do { \
+ post_data_suspended = 1; \
+ saved_post_data = opt.post_data; \
+ saved_post_file_name = opt.post_file_name; \
+ opt.post_data = NULL; \
+ opt.post_file_name = NULL; \
+} while (0)
+
+#define RESTORE_POST_DATA do { \
+ if (post_data_suspended) \
+ { \
+ opt.post_data = saved_post_data; \
+ opt.post_file_name = saved_post_file_name; \
+ post_data_suspended = 0; \
+ } \
+} while (0)
+
+/* Retrieve the given URL. Decides which loop to call -- HTTP, FTP,
+ FTP, proxy, etc. */
+
+/* #### This function should be rewritten so it doesn't return from
+ multiple points. */