From b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 22:25:44 +0200
Subject: Adding upstream version 1.21.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/spider.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/spider.c

(limited to 'src/spider.c')

diff --git a/src/spider.c b/src/spider.c
new file mode 100644
index 0000000..726a7b3
--- /dev/null
+++ b/src/spider.c
@@ -0,0 +1,101 @@
+/* Keep track of visited URLs in spider mode.
+   Copyright (C) 2006-2011, 2015, 2019-2023 Free Software Foundation,
+   Inc.
+
+This file is part of GNU Wget.
+
+GNU Wget is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+GNU Wget is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Wget.  If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work.  */
+
+#include "wget.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "spider.h"
+#include "url.h"
+#include "utils.h"
+#include "hash.h"
+#include "res.h"
+
+
+static struct hash_table *nonexisting_urls_set;
+
+/* Cleanup the data structures associated with this file.  */
+
+#if defined DEBUG_MALLOC || defined TESTING
+void
+spider_cleanup (void)
+{
+  if (nonexisting_urls_set)
+    string_set_free (nonexisting_urls_set);
+}
+#endif
+
+/* Remembers broken links.  */
+void
+nonexisting_url (const char *url)
+{
+  /* Ignore robots.txt URLs */
+  if (is_robots_txt_url (url))
+    return;
+  if (!nonexisting_urls_set)
+    nonexisting_urls_set = make_string_hash_table (0);
+  string_set_add (nonexisting_urls_set, url);
+}
+
+void
+print_broken_links (void)
+{
+  hash_table_iterator iter;
+  int num_elems;
+
+  if (!nonexisting_urls_set)
+    {
+      logprintf (LOG_NOTQUIET, _("Found no broken links.\n\n"));
+      return;
+    }
+
+  num_elems = hash_table_count (nonexisting_urls_set);
+  assert (num_elems > 0);
+
+  logprintf (LOG_NOTQUIET, ngettext("Found %d broken link.\n\n",
+                                    "Found %d broken links.\n\n", num_elems),
+             num_elems);
+
+  for (hash_table_iterate (nonexisting_urls_set, &iter);
+       hash_table_iter_next (&iter); )
+    {
+      /* Struct url_list *list; */
+      const char *url = (const char *) iter.key;
+
+      logprintf (LOG_NOTQUIET, _("%s\n"), url);
+    }
+  logputs (LOG_NOTQUIET, "\n");
+}
+
+/*
+ * vim: et ts=2 sw=2
+ */
-- 
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