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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2020, 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 "rename.h"
+
+#include "curl_setup.h"
+
+#if (!defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)) || \
+ defined(USE_ALTSVC)
+
+#include "timeval.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/* return 0 on success, 1 on error */
+int Curl_rename(const char *oldpath, const char *newpath)
+{
+#ifdef WIN32
+ /* rename() on Windows doesn't overwrite, so we can't use it here.
+ MoveFileExA() will overwrite and is usually atomic, however it fails
+ when there are open handles to the file. */
+ const int max_wait_ms = 1000;
+ struct curltime start = Curl_now();
+ for(;;) {
+ timediff_t diff;
+ if(MoveFileExA(oldpath, newpath, MOVEFILE_REPLACE_EXISTING))
+ break;
+ diff = Curl_timediff(Curl_now(), start);
+ if(diff < 0 || diff > max_wait_ms)
+ return 1;
+ Sleep(1);
+ }
+#else
+ if(rename(oldpath, newpath))
+ return 1;
+#endif
+ return 0;
+}
+
+#endif