From fa44322ebdea5f69947ddaa215a77366737b7055 Mon Sep 17 00:00:00 2001
From: "D. Richard Hipp" <drh@hwaci.com>
Date: Tue, 23 Jan 2018 15:26:30 +0000
Subject: [PATCH] Fix the modification-time setting logic in the fileio.c
 extension on Windows so that it works with utf8 filenames.

---
 ext/misc/fileio.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ext/misc/fileio.c b/ext/misc/fileio.c
index 60a960f310..e51b3e620b 100644
--- a/ext/misc/fileio.c
+++ b/ext/misc/fileio.c
@@ -270,15 +270,20 @@ static int writeFile(
     SYSTEMTIME currentTime;
     LONGLONG intervals;
     HANDLE hFile;
+    LPWSTR zUnicodeName;
+    extern LPWSTR sqlite3_win32_utf8_to_unicode(const char*);
+
     GetSystemTime(&currentTime);
     SystemTimeToFileTime(&currentTime, &lastAccess);
     intervals = Int32x32To64(mtime, 10000000) + 116444736000000000;
     lastWrite.dwLowDateTime = (DWORD)intervals;
     lastWrite.dwHighDateTime = intervals >> 32;
-    hFile = CreateFile(
-      zFile, FILE_WRITE_ATTRIBUTES, 0, NULL, OPEN_EXISTING,
+    zUnicodeName = sqlite3_win32_utf8_to_unicode(zFile);
+    hFile = CreateFileW(
+      zUnicodeName, FILE_WRITE_ATTRIBUTES, 0, NULL, OPEN_EXISTING,
       FILE_FLAG_BACKUP_SEMANTICS, NULL
     );
+    sqlite3_free(zUnicodeName);
     if( hFile!=INVALID_HANDLE_VALUE ){
       BOOL bResult = SetFileTime(hFile, NULL, &lastAccess, &lastWrite);
       CloseHandle(hFile);
-- 
2.11.4.GIT