--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/src/tool_cfgable.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,180 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "tool_setup.h"
+
+#include "tool_cfgable.h"
+#include "tool_main.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+void config_init(struct OperationConfig* config)
+{
+  memset(config, 0, sizeof(struct OperationConfig));
+
+  config->postfieldsize = -1;
+  config->use_httpget = FALSE;
+  config->create_dirs = FALSE;
+  config->maxredirs = DEFAULT_MAXREDIRS;
+  config->proto = CURLPROTO_ALL;
+  config->proto_present = FALSE;
+  config->proto_redir = CURLPROTO_ALL & /* All except FILE, SCP and SMB */
+    ~(CURLPROTO_FILE | CURLPROTO_SCP | CURLPROTO_SMB |
+      CURLPROTO_SMBS);
+  config->proto_redir_present = FALSE;
+  config->proto_default = NULL;
+  config->tcp_nodelay = TRUE; /* enabled by default */
+  config->happy_eyeballs_timeout_ms = CURL_HET_DEFAULT;
+  config->http09_allowed = FALSE;
+}
+
+static void free_config_fields(struct OperationConfig *config)
+{
+  struct getout *urlnode;
+
+  Curl_safefree(config->random_file);
+  Curl_safefree(config->egd_file);
+  Curl_safefree(config->useragent);
+  Curl_safefree(config->altsvc);
+  Curl_safefree(config->cookie);
+  Curl_safefree(config->cookiejar);
+  Curl_safefree(config->cookiefile);
+
+  Curl_safefree(config->postfields);
+  Curl_safefree(config->referer);
+
+  Curl_safefree(config->headerfile);
+  Curl_safefree(config->ftpport);
+  Curl_safefree(config->iface);
+
+  Curl_safefree(config->range);
+
+  Curl_safefree(config->userpwd);
+  Curl_safefree(config->tls_username);
+  Curl_safefree(config->tls_password);
+  Curl_safefree(config->tls_authtype);
+  Curl_safefree(config->proxy_tls_username);
+  Curl_safefree(config->proxy_tls_password);
+  Curl_safefree(config->proxy_tls_authtype);
+  Curl_safefree(config->proxyuserpwd);
+  Curl_safefree(config->proxy);
+
+  Curl_safefree(config->dns_ipv6_addr);
+  Curl_safefree(config->dns_ipv4_addr);
+  Curl_safefree(config->dns_interface);
+  Curl_safefree(config->dns_servers);
+
+  Curl_safefree(config->noproxy);
+
+  Curl_safefree(config->mail_from);
+  curl_slist_free_all(config->mail_rcpt);
+  Curl_safefree(config->mail_auth);
+
+  Curl_safefree(config->netrc_file);
+
+  urlnode = config->url_list;
+  while(urlnode) {
+    struct getout *next = urlnode->next;
+    Curl_safefree(urlnode->url);
+    Curl_safefree(urlnode->outfile);
+    Curl_safefree(urlnode->infile);
+    Curl_safefree(urlnode);
+    urlnode = next;
+  }
+  config->url_list = NULL;
+  config->url_last = NULL;
+  config->url_get = NULL;
+  config->url_out = NULL;
+
+  Curl_safefree(config->doh_url);
+  Curl_safefree(config->cipher_list);
+  Curl_safefree(config->proxy_cipher_list);
+  Curl_safefree(config->cert);
+  Curl_safefree(config->proxy_cert);
+  Curl_safefree(config->cert_type);
+  Curl_safefree(config->proxy_cert_type);
+  Curl_safefree(config->cacert);
+  Curl_safefree(config->proxy_cacert);
+  Curl_safefree(config->capath);
+  Curl_safefree(config->proxy_capath);
+  Curl_safefree(config->crlfile);
+  Curl_safefree(config->pinnedpubkey);
+  Curl_safefree(config->proxy_pinnedpubkey);
+  Curl_safefree(config->proxy_crlfile);
+  Curl_safefree(config->key);
+  Curl_safefree(config->proxy_key);
+  Curl_safefree(config->key_type);
+  Curl_safefree(config->proxy_key_type);
+  Curl_safefree(config->key_passwd);
+  Curl_safefree(config->proxy_key_passwd);
+  Curl_safefree(config->pubkey);
+  Curl_safefree(config->hostpubmd5);
+  Curl_safefree(config->engine);
+  Curl_safefree(config->request_target);
+  Curl_safefree(config->customrequest);
+  Curl_safefree(config->krblevel);
+
+  Curl_safefree(config->oauth_bearer);
+  Curl_safefree(config->sasl_authzid);
+
+  Curl_safefree(config->unix_socket_path);
+  Curl_safefree(config->writeout);
+  Curl_safefree(config->proto_default);
+
+  curl_slist_free_all(config->quote);
+  curl_slist_free_all(config->postquote);
+  curl_slist_free_all(config->prequote);
+
+  curl_slist_free_all(config->headers);
+  curl_slist_free_all(config->proxyheaders);
+
+  curl_mime_free(config->mimepost);
+  config->mimepost = NULL;
+  tool_mime_free(config->mimeroot);
+  config->mimeroot = NULL;
+  config->mimecurrent = NULL;
+
+  curl_slist_free_all(config->telnet_options);
+  curl_slist_free_all(config->resolve);
+  curl_slist_free_all(config->connect_to);
+
+  Curl_safefree(config->preproxy);
+  Curl_safefree(config->proxy_service_name);
+  Curl_safefree(config->service_name);
+
+  Curl_safefree(config->ftp_account);
+  Curl_safefree(config->ftp_alternative_to_user);
+}
+
+void config_free(struct OperationConfig *config)
+{
+  struct OperationConfig *last = config;
+
+  /* Free each of the structures in reverse order */
+  while(last) {
+    struct OperationConfig *prev = last->prev;
+
+    free_config_fields(last);
+    free(last);
+
+    last = prev;
+  }
+}