--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/src/tool_libinfo.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,101 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, 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 "strcase.h"
+
+#define ENABLE_CURLX_PRINTF
+/* use our own printf() functions */
+#include "curlx.h"
+
+#include "tool_libinfo.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+/* global variable definitions, for libcurl run-time info */
+
+curl_version_info_data *curlinfo = NULL;
+long built_in_protos = 0;
+
+/*
+ * libcurl_info_init: retrieves run-time information about libcurl,
+ * setting a global pointer 'curlinfo' to libcurl's run-time info
+ * struct, and a global bit pattern 'built_in_protos' composed of
+ * CURLPROTO_* bits indicating which protocols are actually built
+ * into library being used.
+ */
+
+CURLcode get_libcurl_info(void)
+{
+  static struct proto_name_pattern {
+    const char *proto_name;
+    long        proto_pattern;
+  } const possibly_built_in[] = {
+    { "dict",   CURLPROTO_DICT   },
+    { "file",   CURLPROTO_FILE   },
+    { "ftp",    CURLPROTO_FTP    },
+    { "ftps",   CURLPROTO_FTPS   },
+    { "gopher", CURLPROTO_GOPHER },
+    { "http",   CURLPROTO_HTTP   },
+    { "https",  CURLPROTO_HTTPS  },
+    { "imap",   CURLPROTO_IMAP   },
+    { "imaps",  CURLPROTO_IMAPS  },
+    { "ldap",   CURLPROTO_LDAP   },
+    { "ldaps",  CURLPROTO_LDAPS  },
+    { "pop3",   CURLPROTO_POP3   },
+    { "pop3s",  CURLPROTO_POP3S  },
+    { "rtmp",   CURLPROTO_RTMP   },
+    { "rtsp",   CURLPROTO_RTSP   },
+    { "scp",    CURLPROTO_SCP    },
+    { "sftp",   CURLPROTO_SFTP   },
+    { "smb",    CURLPROTO_SMB    },
+    { "smbs",   CURLPROTO_SMBS   },
+    { "smtp",   CURLPROTO_SMTP   },
+    { "smtps",  CURLPROTO_SMTPS  },
+    { "telnet", CURLPROTO_TELNET },
+    { "tftp",   CURLPROTO_TFTP   },
+    {  NULL,    0                }
+  };
+
+  const char *const *proto;
+
+  /* Pointer to libcurl's run-time version information */
+  curlinfo = curl_version_info(CURLVERSION_NOW);
+  if(!curlinfo)
+    return CURLE_FAILED_INIT;
+
+  /* Build CURLPROTO_* bit pattern with libcurl's built-in protocols */
+  built_in_protos = 0;
+  if(curlinfo->protocols) {
+    for(proto = curlinfo->protocols; *proto; proto++) {
+      struct proto_name_pattern const *p;
+      for(p = possibly_built_in; p->proto_name; p++) {
+        if(curl_strequal(*proto, p->proto_name)) {
+          built_in_protos |= p->proto_pattern;
+          break;
+        }
+      }
+    }
+  }
+
+  return CURLE_OK;
+}