--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/src/tool_sleep.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,57 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, 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"
+
+#ifdef HAVE_SYS_SELECT_H
+#  include <sys/select.h>
+#endif
+
+#ifdef HAVE_POLL_H
+#  include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#  include <sys/poll.h>
+#endif
+
+#ifdef MSDOS
+#  include <dos.h>
+#endif
+
+#include "tool_sleep.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+void tool_go_sleep(long ms)
+{
+#if defined(MSDOS)
+  delay(ms);
+#elif defined(WIN32)
+  Sleep(ms);
+#elif defined(HAVE_POLL_FINE)
+  (void)poll((void *)0, 0, (int)ms);
+#else
+  struct timeval timeout;
+  timeout.tv_sec = ms / 1000L;
+  ms = ms % 1000L;
+  timeout.tv_usec = (int)ms * 1000;
+  select(0, NULL,  NULL, NULL, &timeout);
+#endif
+}