From a64ce22997d6aa74d3b644a2c0fc0804101afb8e Mon Sep 17 00:00:00 2001
From: Klaas Freitag <freitag@owncloud.com>
Date: Thu, 29 Mar 2012 13:43:39 +0200
Subject: [PATCH] Win32: Add win32 rename function that overwrites existing
 targets.

---
 src/vio/csync_vio_local.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/vio/csync_vio_local.c b/src/vio/csync_vio_local.c
index 6976ca0097..e4dd4e9953 100644
--- a/src/vio/csync_vio_local.c
+++ b/src/vio/csync_vio_local.c
@@ -338,6 +338,18 @@ int csync_vio_local_stat(const char *uri, csync_vio_file_stat_t *buf) {
 }
 
 int csync_vio_local_rename(const char *olduri, const char *newuri) {
+#ifdef _WIN32
+  if(olduri && newuri) {
+    if (MoveFileEx(olduri, newuri, MOVEFILE_COPY_ALLOWED + MOVEFILE_REPLACE_EXISTING + MOVEFILE_WRITE_THROUGH )) {
+         return 0;
+    }
+    errno = GetLastError();
+  } else {
+    errno = ENOENT;
+  }
+  return -1;
+#endif
+
   return rename(olduri, newuri);
 }